CN111993021B - Intelligent mistake-proofing press-mounting equipment and method - Google Patents
Intelligent mistake-proofing press-mounting equipment and method Download PDFInfo
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- CN111993021B CN111993021B CN202010613430.6A CN202010613430A CN111993021B CN 111993021 B CN111993021 B CN 111993021B CN 202010613430 A CN202010613430 A CN 202010613430A CN 111993021 B CN111993021 B CN 111993021B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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Abstract
The invention discloses intelligent error-proofing press-mounting equipment and a method, wherein the equipment comprises an intelligent press body provided with a controller, an HMI human-computer interaction interface in signal connection with the controller, an upper press head detection assembly for detecting an upper press head, a guide column in-place detection assembly for detecting whether a guide column on a pressed part is in place or not, a part in-place left and right detection assembly for detecting whether the pressed part is in place or not, a lower press head in-place detection assembly for detecting whether a lower press head meets a set specification or not, a pressed part identification device for detecting the specification of the pressed part, a tool storage library and a tool temporary storage guiding detection assembly. The invention improves the one-time delivery qualification rate, the quality stability and the assembly efficiency, reduces the labor intensity of workers and the assembly operation management difficulty, and has wide application prospect in the fields of digitalization and intelligent assembly.
Description
Technical Field
The invention relates to the field of intelligent manufacturing equipment, in particular to intelligent error-proofing press-fitting equipment and method.
Background
The assembly of key precision mating parts related to the assembly of an aircraft engine unit body mainly comprises assembly parts such as precision matching of a bearing, a gear shaft and a spline shaft, the quality of the traditional aircraft engine assembly mode mainly operated by hands is limited by the labor skill level of an assembly worker, the assembly efficiency is low, the quality is unreliable, the labor intensity of the worker is high, and the production and delivery requirements of high-quality and high-reliability engines proposed by customers are difficult to meet.
Disclosure of Invention
The invention provides intelligent mistake-proofing press-mounting equipment, which solves the technical problems that the quality of the existing aero-engine assembling mode is limited by the labor skill level of an assembling worker, the assembling efficiency is low, the quality is unreliable, and the labor intensity of the worker is high.
The technical scheme adopted by the invention is as follows:
the utility model provides an intelligence mistake proofing pressure equipment, including the intelligent press body that is provided with the controller, with controller signal connection's HMI human-computer interaction interface still includes:
the upper pressure head detection assembly is arranged on an upper pressure head quick-change interface of the intelligent press body and used for detecting whether the installed upper pressure head meets the set specification or not;
the guide post in-place detection assembly is arranged on the rear side of the press working platform of the intelligent press body and is far away from the personnel operation position, and is used for detecting whether the guide post on the pressed part is in place or not;
the left and right detection assemblies for detecting the in-place of the parts are oppositely arranged on the intelligent press body and are used for detecting whether the pressed parts on the tool bottom plate of the intelligent press body are in place or not;
the in-place detection assembly of the lower pressure head is arranged on the tool bottom plate and used for detecting whether the lower pressure head arranged on the tool bottom plate meets the set specification or not;
the pressed part identification device is used for detecting whether the specification of the pressed part is matched with the specified specification of the current pressing program;
the tool storage warehouse is arranged in the intelligent press body and used for storing the upper pressing head, the lower pressing head and the guide column with various specifications and simultaneously prompting the grabbing positions of the upper pressing head, the lower pressing head and the guide column required by the current press-fitting operation;
the guide tool temporary storage detection assembly is arranged at the left front side position of the press working platform of the intelligent press body and used for sensing whether a guide column is placed or not;
the controller still respectively with go up pressure head determine module, guide post detection component, the part targets in place about detection component, the pressure head detection component that targets in place down, by pressure equipment part recognition device, guide frock detection component, frock storage storehouse circuit connection that keeps in place, be used for as go up pressure head determine module, guide post detection component, the part targets in place about detection component, the part targets in place, the pressure head detection component that targets in place down, by pressure equipment part recognition device, guide frock detection component's that keeps in place the testing result all accords with the settlement requirement when, carry out pressure equipment program drive intelligence press body and carry out the pressure equipment operation.
Further, the upper head pressure detecting assembly includes:
the upper pressure head recognizer mounting frame is arranged on an upper pressure head quick-change interface of the intelligent press body;
and the upper pressure head recognizer is fixedly arranged on the upper pressure head sensor mounting frame and used for detecting whether the installed pressure head meets the set specification.
Furthermore, the upper pressure head recognizer is a two-dimensional code reader or an RFID reader, and a two-dimensional code or an RFID chip containing specification and model information is arranged on the upper pressure head;
the pressed part identification device is a two-dimensional code reader or an RFID reader, and the pressed part is provided with a two-dimensional code or an RFID chip containing specification and model information;
the lower pressing head in-place detection assembly is a two-dimensional code reader or an RFID reader, and a two-dimensional code or an RFID chip containing specification and model information is arranged on the lower pressing head.
Further, the guide post in-position detection assembly includes:
the guide post in-place sensor mounting seat is fixedly arranged on the intelligent press body and corresponds to the mounting position of the guide post;
the laser detection sensor is fixed on the guide post in-place sensor mounting seat at intervals from top to bottom along the vertical direction and used for detecting whether the guide post is placed in place on the pressed part.
Furthermore, a slotted hole is vertically formed in the guide post in-place sensor mounting seat, the laser detection sensors are fixed on one side, deviating from the guide post, of the guide post in-place sensor mounting seat, the light emitting ends of the laser detection sensors penetrate through the slotted hole and point to the guide post, and the axes of the light emitting ends are parallel to each other and are located on the same vertical plane.
Further, the part right-left in-place detection assembly comprises:
the left and right part in-place sensor mounting seats are relatively fixedly arranged on the intelligent press body and are adjustable in height;
the two laser correlation sensors are oppositely arranged on the left and right part in-place sensor mounting seats respectively and are used for detecting whether the pressed parts on the tool bottom plate of the intelligent press body are placed in place or not.
Furthermore, the two laser correlation sensors are arranged on one side, away from the press-fitting object, of the left and right part in-place sensor mounting seats, the light emitting ends of the two laser correlation sensors respectively penetrate through the left and right part in-place sensor mounting seats and point to the mounting position of the pressed part on the tool bottom plate, and the axes of the light emitting ends are located on the same straight line.
Furthermore, the tool storage warehouse is internally provided with a tracing template for storing upper pressing heads, lower pressing heads and guide columns of various specifications and models, the tracing template is provided with index lamps corresponding to the upper pressing heads, the lower pressing heads and the guide columns, and the index lamps are automatically lightened according to the current press-fitting program to prompt the grabbing position.
Further, guide frock detection subassembly of keeping in includes:
the guide tool temporary storage detection sensor mounting seat is arranged at the left front side position of the press working platform,
and the proximity switch sensor is arranged on the guide tool temporary storage detection sensor mounting seat and used for sensing whether the guide column is placed or not.
According to another aspect of the invention, an intelligent error-proofing press-fitting method is also provided, which comprises the following steps:
1) calling a press-fitting program corresponding to the current press-fitting operation through an HMI (human machine interface);
2) pulling a tool storage library, and prompting the grabbing positions of an upper pressing head, a lower pressing head and a guide column required by the current press fitting operation according to the called press fitting program by the tool storage library;
3) taking out the lower pressure head and placing the lower pressure head into the mounting hole of the tool bottom plate;
4) detecting whether a lower pressure head arranged on a tool bottom plate meets a set specification or not through a lower pressure head in-place detection assembly;
5) taking out the upper pressure head and installing the upper pressure head on the quick-change connector of the upper pressure head;
6) detecting whether the installed pressure head meets the set specification or not through the upper pressure head detection assembly;
7) taking out the guide column, placing the guide column on the guide tool temporary storage detection assembly, and sensing whether the guide column is placed in place or not through the guide tool temporary storage detection assembly;
8) detecting whether the specification of the pressed part is matched with the specified specification of the current pressing program or not by the pressed part identification device;
9) the pressed part is placed on the lower pressing head, and whether the pressed part on the tool bottom plate of the intelligent pressing machine body is placed in place or not is detected through the part in-place left and right detection assemblies;
10) moving the guide post from the guide tool temporary storage detection assembly to the pressed part, wherein the guide tool temporary storage detection assembly cannot sense the guide post, and the guide post in-place detection assembly detects that the guide post is placed in place;
11) the controller automatically confirms that the upper pressure head, the lower pressure head, the guide column and the pressed part are placed in place and meet the set specification, and then the called pressing program is allowed to be started;
12) executing a press-mounting program through an HMI (human machine interface);
13) after the press mounting is finished, taking out the guide column, placing the guide column on the guide tool temporary storage detection assembly, and closing the current press mounting program after the guide tool temporary storage detection assembly senses the existence of the guide column;
14) and (4) disassembling the press-mounting object, and repeating the steps 1) to 13) to complete batch work.
The invention has the following beneficial effects:
the invention combines the upper pressure head detection component, the guide post in-place detection component, the part in-place left and right detection component, the lower pressure head in-place detection component, the pressed part identification device, the tool storage library, the guide tool temporary storage detection component, the controller and the like, plays an intelligent foolproof and mistake-proofing role in the pressing process, leads the trend of aeroengine manufacture from a manual mode to intelligent assembly to reach the high efficiency, high reliability and traceable overall assembly requirement of the production process, ensures the one-time delivery qualification rate, quality stability and assembly efficiency of the aeroengine assembly, reduces the labor intensity of workers and the management difficulty of assembly operation, has wide application prospect in the fields of digitization and intelligent assembly of the aeroengine, particularly embodies the flexible, automatic and digital manufacturing technology aiming at the production characteristics of multiple varieties and small batch of the engine, the method has important significance for upgrading the assembly technology of a large number of unit body parts of the aircraft engine.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic overall three-dimensional layout of an intelligent error-proofing press-fitting device according to an embodiment of the invention.
Fig. 2 is a partially enlarged view 1 of the intelligent error-proofing press-fitting device according to the embodiment of the invention.
Fig. 3 is a partially enlarged view 2 of the intelligent error-proofing press-fitting device according to the embodiment of the invention.
Fig. 4 is a partially enlarged view of an upper pressure head measuring assembly of the intelligent mistake-proofing press-fitting device according to the embodiment of the invention.
Fig. 5 is a partially enlarged view of a guide post in-place detection assembly of the intelligent mistake-proofing press-fitting device according to the embodiment of the invention.
Fig. 6 is a partially enlarged view of a temporary storage detection assembly of a guide tool of the intelligent error-proofing press-fitting device according to the embodiment of the invention.
Fig. 7 is a partially enlarged view of a tool storage warehouse of the intelligent error-proofing press-fitting device according to the embodiment of the invention.
In the figure: 1. an intelligent press body; 2. an upper ram detection assembly; 2-1, mounting a pressure head recognizer; 2-2, an upper pressure head recognizer; 3. a guide post in-place detection assembly; 3-1, laser detection sensor; 3-1, guiding the column to the position sensor mounting seat; 4. a left and right part in-place detection assembly; 4-1, laser correlation sensor; 4-2, a left and right parts in-place sensor mounting seat; 5. guiding the tool to temporarily store the detection assembly; 5-1, guiding the tool to temporarily store a detection sensor mounting seat; 5-2, a proximity switch sensor; 6. an upper pressure head; 7. a lower pressure head; 8. HMI human-machine interaction interface; 9. a tooling bottom plate; 10. a lower pressure head in-place detection assembly; 11. a press working platform; 12. a pressed part identification device; 13. a plum blossom handle bolt; 15. an indicator light; 16. an upper pressure head quick-change interface; 17. a tool storage warehouse; 18. a tracing template; 19. a guide post.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, a preferred embodiment of the present invention provides an intelligent error-proofing press-fitting device, which includes an intelligent press body 1 provided with a controller, an HMI human-machine interface 8 in signal connection with the controller, and further includes:
the upper pressure head detection assembly 2 is arranged on an upper pressure head quick-change interface 16 of the intelligent press body 1 and is used for detecting whether the installed upper pressure head 6 meets the set specification;
the guide post in-place detection assembly 3 is arranged on the rear side of the press working platform 11 of the intelligent press body 1 and is far away from the personnel operation position, and is used for detecting whether the guide post 19 on the pressed part is placed in place or not;
the left and right part in-place detection assemblies 4 are oppositely arranged on the intelligent press body 1 and are used for detecting whether the pressed parts on the tool bottom plate 9 of the intelligent press body 1 are placed in place or not;
the lower pressure head in-place detection assembly 10 is arranged on the tooling bottom plate 9 and is used for detecting whether the lower pressure head 7 arranged on the tooling bottom plate 9 meets the set specification;
the pressed part identification device 12 is used for detecting whether the specification of the pressed part is matched with the specified specification of the current pressing program;
the tool storage 17 is arranged in the intelligent press body 1 and used for storing the upper pressing heads 6, the lower pressing heads 7 and the guide columns 19 of various specifications and prompting the grabbing positions of the upper pressing heads 6, the lower pressing heads 7 and the guide columns 19 required by the current press-fitting operation;
the guide tool temporary storage detection assembly 5 is arranged at the left front side position of the press working platform 11 of the intelligent press body 1 and used for sensing whether the guide column 19 is placed or not;
the controller is further respectively in circuit connection with the upper pressure head detection assembly 2, the guide post in-place detection assembly 3, the part in-place left and right detection assembly 4, the lower pressure head in-place detection assembly 10, the pressed part identification device 12, the guide tool temporary storage detection assembly 5 and the tool storage 17, and is used for executing a pressing program through the HMI (human machine interface) 8 to drive the intelligent press body 1 to perform pressing operation when detection results of the upper pressure head detection assembly 2, the guide post in-place detection assembly 3, the part in-place left and right detection assembly 4, the lower pressure head in-place detection assembly 10, the pressed part identification device 12 and the guide tool temporary storage detection assembly 5 all accord with set requirements.
The intelligent mistake proofing press mounting equipment of this embodiment plays intelligent foolproof mistake proofing effect to the press mounting process through combining pressure head determine module 2, guide post detection component 3 that targets in place, detection component 4 about the part targets in place, lower pressure head detection component 10 that targets in place, by pressure equipment part recognition device 12, frock storage 17, guide frock detection component 5 that keeps in, controller etc. wherein, frock bottom plate 9 is fixed on press work platform 11 through last plum blossom handle bolt 13. The tool storage 17 can store various upper pressing heads 6, lower pressing heads 7 and guide columns 19, and can prompt the grabbing positions of the upper pressing heads 6, the lower pressing heads 7 and the guide columns 19 required by the current press-fitting operation, so that an operator can conveniently and quickly find and take the required upper pressing heads 6, lower pressing heads 7 and guide columns 19, the taking efficiency is improved, and the mistaken taking is prevented; the upper pressure head detection assembly 2, the guide post in-place detection assembly 3, the part in-place left and right detection assembly 4, the lower pressure head in-place detection assembly 10, the pressed part identification device 12 and the guide tool temporary storage detection assembly 5 automatically detect the specification model and the in-place state of the upper pressure head 6, the lower pressure head 7, the guide post 19 and the pressed part required by the current press-fitting operation before press-fitting, and when and only when the detection results of the upper pressure head detection assembly 2, the guide post in-place detection assembly 3, the part in-place left and right detection assembly 4, the lower pressure head in-place detection assembly 10, the pressed part identification device 12 and the guide tool temporary storage detection assembly 5 all accord with the set requirements, namely the specification model and the in-place state of the upper pressure head 6, the lower pressure head 7, the guide post 19 and the pressed part all accord with the set requirements, the press-fitting operation of the intelligent press body 1 can be driven by the human-machine interface machine (HMI) through the HMI 8, on the contrary, the press-fitting program cannot be executed to drive the intelligent press body 1 to perform press-fitting operation, in this embodiment, because the requirement of the operation action sequence is that the guide post 19, the upper press head 6 and the lower press head 7 are taken out from the tool storage 17 together, but the guide post 19 needs to be placed after the upper press head 6, the lower press head 7 and the part to be press-fitted are mounted at the relevant positions of the intelligent press body 1, therefore, after the guide post 19 is taken out from the tool storage 17, it needs to be placed at a temporary storage point, after the upper press head 6, the lower press head 7 and the part to be press-fitted are mounted in place, the guide post 19 is taken from the temporary storage point and moved to the part to be press-fitted, in this embodiment, the guide tool temporary storage detection assembly 5 is used as a temporary storage point of the guide post 19, the guide tool temporary storage detection assembly 5 can sense whether the guide post is placed, and is combined with the guide post in-position detection assembly 3 for detecting whether the guide post 19 on the part to be placed in place, the double judgment and mistake proofing of the guide column 19 can be realized, the guide column 19 is ensured to be taken out from the tool storage warehouse 17, and meanwhile, the guide column is already placed in place on the pressed part. When the intelligent mistake-proofing press-fitting equipment of the embodiment detects an abnormality, an operator can be informed in a corresponding mode, such as a flashing light, a honey device and a voice prompter, or relevant prompt information is displayed on an HMI (human machine interface machine) 8 to inform the operator that the current operation is abnormal, such as the upper press head 6, the lower press head 7, the guide post 19 and a pressed part are not placed in place as required, and/or the upper press head 6 and the lower press head 7 are taken, when the specification and the model of the pressed part do not meet the requirements of the current press-fitting operation, the operation error of the operator can be intelligently corrected before the press-fitting operation is started, the phenomenon that waste products appear during the subsequent formal press-fitting and irreversible loss is caused is avoided, so that the trend of aeroengine manufacturing from a manual mode to intelligent assembly is developed, and the overall assembly requirements of high efficiency, high reliability and traceability in the production process are achieved, the method ensures the one-time delivery qualification rate, the quality stability and the assembly efficiency of the assembly of the aero-engine, reduces the labor intensity of workers and the management difficulty of assembly operation, has wide application prospect in the fields of digitization and intelligent assembly of the aero-engine, particularly reflects flexible, automatic and digital manufacturing technology aiming at the production characteristics of multiple varieties and small batches of engines, and has important significance for the upgrading of the assembly technology of a large number of unit parts of the aero-engine.
In a preferred embodiment of the present invention, as shown in fig. 4, the upper head pressure detecting assembly 2 comprises:
the upper pressure head recognizer mounting frame 2-1 is arranged on an upper pressure head quick-change interface 16 of the intelligent press body 1;
the upper pressure head recognizer 2-2 is fixedly arranged on the upper pressure head sensor mounting rack 2-1, used for detecting whether the installed upper pressure head 6 meets the set specification or not, the upper pressure head recognizer 2-2 is over against the installed upper pressure head 6, when the upper pressure head 6 is installed, the upper pressure head 6 can be automatically detected and identified, including specification and model, when the upper pressure head identifier 2-2 detects that the upper pressure head 6 is not in place and/or the model specification does not conform to the requirement of the current press fitting operation, the operator can be informed in a corresponding manner, such as flashing lights, a honey device, a voice prompter or displaying related prompt information on the HMI human-machine interface 8, so as to prompt the operator, therefore, the operation error of an operator can be intelligently corrected before the press mounting operation is started, and the irreversible loss caused by waste products in the subsequent formal press mounting is avoided.
In the preferred embodiment of the invention, the upper pressure head recognizer 2-2 is a two-dimensional code reader or an RFID reader, a two-dimensional code or an RFID chip containing specification and model information is arranged on the upper pressure head 6, the upper pressure head recognizer 2-2 judges whether the upper pressure head 6 is placed in place or not and/or whether the model specification meets the current press-fitting operation requirement or not by reading the two-dimensional code or the RFID chip information, and the mistake prevention is realized by quickly, reliably and accurately judging and recognizing the upper pressure head 6;
the pressed part identification device 12 is a two-dimensional code reader or an RFID reader, a two-dimensional code or an RFID chip containing specification and model information is attached to the pressed part, the two-dimensional code reader or the RFID reader of the embodiment adopts a handheld two-dimensional code reader or a handheld RFID reader, operation of an operator is facilitated, and error prevention is realized through quick, reliable and accurate judgment and identification of the pressed part; meanwhile, the pressed parts can be directly input into the HMI (human machine interface) 8 for identification, and the efficiency of the method is slightly lower than that of a handheld two-dimensional code reader or a handheld RFID reader;
the lower pressure head detection assembly 10 that targets in place is two-dimensional code reader or RFID read write line, be provided with two-dimensional code or the RFID chip that contains specification model information down on the pressure head 7, the pressure head detection assembly 10 that targets in place judges whether pressure head 7 places and/or the model specification accords with current pressure equipment operation requirement through reading two-dimensional code or RFID chip information down, realizes the mistake proofing through quick, reliable and accurate judgement and the discernment to pressure head 7 down.
In a preferred embodiment of the present invention, as shown in fig. 3 and 5, the guide post position detecting assembly 3 includes:
the guide post in-place sensor mounting seat 3-2 is fixedly arranged on the intelligent press body 1 and corresponds to the mounting position of the guide post 19;
the four laser detection sensors 3-1 are fixed on the guide post in-place sensor mounting base 3-2 at intervals from top to bottom along the vertical direction and are used for detecting whether the guide post 19 on the pressed part is placed in place or not.
Further, as shown in fig. 5, a long circular hole is vertically formed in the guiding post in-place sensor mounting seat 3-2, the laser detection sensor 3-1 is fixed on one side, away from the guiding post 19, of the guiding post in-place sensor mounting seat 3-2, the light emitting end of each laser detection sensor 3-1 penetrates through the long circular hole and points to the guiding post 19, and the axes of the light emitting ends are parallel to each other and are located on the same vertical plane.
In this embodiment, the four laser detection sensors 3-1 can not only detect whether the guide post 19 is placed in place, but also, because the guide post 19 plays an auxiliary role of conducting pressure in the press-fitting process, the guide post 19 has a certain requirement on the posture in the press-fitting process, that is, the axial direction of the guide post 19 is as consistent as possible with the force application direction of the press head of the press-fitting equipment, so as to prevent press-fitting faults of the guide post 19 caused by stress offset, in order to solve the problem, in this embodiment, the four laser detection sensors 3-1 are fixed on the guide post in-place sensor mounting seat 3-2 at intervals from top to bottom along the vertical direction, light outlets of the laser detection sensors 3-1 are provided with light guide pipes which pass through the oblong holes and point to the guide post 19, the axial lines of the light guide pipes are parallel to each other and are located on the same vertical plane, that is, the lasers emitted by the four laser detection sensors 3-1 are located on the same vertical plane, if and only if the presence of the guide post 19 is detected by all of the four laser detection sensors 3-1, it can be determined that the guide post 19 is placed in position and the posture is acceptable, and further, in addition to the presence of the guide post 19 detected by all of the four laser detection sensors 3-1, the four laser detection sensors 3-1 are also used for detecting the distances between four reflection points on the guiding column 19 and the corresponding laser detection sensors 3-1, and when the distance difference between any two reflection points, or when the distance difference between the uppermost reflecting point and the lowermost reflecting point is lower than a set threshold, the controller judges that the guide column 19 is placed in place and the posture is qualified, at the moment, the guide column 19 is placed in place and is in a vertical posture meeting the requirement, the axial direction of the press fitting device and the force application direction of the press fitting device pressure head meet the consistency requirement, and smooth and safe operation of subsequent press fitting operation is ensured.
In addition, in this embodiment, the laser detection sensor 3-1 is fixed on the side of the guide post in-place sensor mounting seat 3-2 departing from the guide post 19, so that the laser detection sensor 3-1 can be protected to a certain extent, and impact in the press-fitting process is prevented.
Meanwhile, the installation number and the installation height of the laser detection sensor 3-1 can be adjusted as required, if some guide columns 19 are shorter, the installation number can be correspondingly reduced, and when some parts to be pressed are lower in height, so that the guide columns 19 are also lower in height, the installation height of the laser detection sensor 3-1 in the vertical direction can be properly adjusted to be lower, so that laser emitted by the laser detection sensor 3-1 can irradiate on the guide columns 19.
In a preferred embodiment of the present invention, as shown in fig. 2 and 3, the part-in-position left and right detecting assembly 4 includes:
the left and right part in-place sensor mounting seats 4-2 are oppositely and fixedly arranged on the intelligent press body 1 and have adjustable height;
the two laser correlation sensors 4-1 are oppositely arranged on the left and right part in-place sensor mounting seats 4-2 respectively and are used for detecting whether the pressed parts on the tool bottom plate 9 of the intelligent press body 1 are placed in place or not, and the height adjustment of the two laser correlation sensors 4-1 can be realized by adjusting the left and right part in-place sensor mounting seats 4-2, so that the two laser correlation sensors 4-1 are positioned at the same height.
In a preferred embodiment of the present invention, as shown in fig. 2 and 3, the two laser correlation sensors 4-1 are disposed on the side of the left and right part in-place sensor mounting seats 4-2 away from the press-fitting object, the light emitting ends of the two laser correlation sensors 4-1 respectively penetrate through the left and right part in-place sensor mounting seats 4-2 and point to the mounting positions of the press-fitted parts on the tool bottom plate 9, and the axes of the light emitting ends are located on the same straight line. In the embodiment, the two laser correlation sensors 4-1 are arranged on the side, away from the press-fitting object, of the left and right part in-place sensor mounting seats 4-2, so that the two laser correlation sensors 4-1 can be protected to a certain extent and prevented from being impacted in the press-fitting process.
In a preferred embodiment of the present invention, as shown in fig. 3 and 7, a tracing template 18 for storing the upper pressing head 6, the lower pressing head 7 and the guiding column 19 of various specifications and models is arranged in the tool storage 17, an indicator light 15 corresponding to each of the upper pressing head 6, the lower pressing head 7 and the guiding column 19 is arranged on the tracing template 18, and the indicator light 15 is automatically turned on according to the current press-fitting program to indicate the gripping position.
In this embodiment, on one hand, the tool storage 17 facilitates the operator to place the corresponding upper pressing head 6, lower pressing head 7 and guiding column 19 by setting the tracing template 18, and meanwhile, the indicator lamps 15 are arranged at the positions where the upper pressing head 6, lower pressing head 7 and guiding column 19 of the tracing template 18 are placed, after the current press-fitting program is selected, the controller lights the indicator lamps corresponding to the upper pressing head 6, lower pressing head 7 and guiding column 19 required in the current press-fitting program, so that the operator can identify at a glance which upper pressing heads 6, lower pressing heads 7 and guiding columns 19 need to be taken out from the tool storage 17, prevent the operator from taking wrong materials by visual enhancement, achieve the purpose of storing and grabbing for preventing errors, and light the corresponding indicator lamps 15 according to new requirements after switching new press-fitting programs.
In a preferred embodiment of the present invention, as shown in fig. 6, the guiding tool temporary storage detecting assembly 5 includes:
the guide tool temporarily stores the detection sensor mounting seat 5-1, and is arranged at the left front side of the press working platform 11;
and the proximity switch sensor 5-2 is arranged on the guide tool temporary storage detection sensor mounting seat 5-1 and used for sensing whether the guide column 19 is placed or not. The proximity switch sensor 5-2 can perform temporary detection on the guide column 19, and the reason and purpose of the temporary detection are as described in the foregoing embodiments and will not be described herein again.
Another preferred embodiment of the present invention provides an intelligent error-proofing press-fitting method, including the steps of:
1) calling a press-fitting program corresponding to the current press-fitting operation through the HMI (human machine interface) 8;
2) pulling the tool storage library 17 open, wherein the tool storage library 17 prompts the grabbing positions of the upper pressing head 6, the lower pressing head 7 and the guide column 19 required by the current press-fitting operation according to the called press-fitting program;
3) taking out the lower pressure head 7 and placing the lower pressure head in the mounting hole of the tool bottom plate 9;
4) detecting whether the lower pressing head 7 arranged on the tooling bottom plate 9 meets the set specification or not through the lower pressing head in-place detection assembly 10;
5) taking out the upper pressure head 6 and installing the upper pressure head on the upper pressure head quick-change connector 16;
6) detecting whether the installed upper pressure head 6 meets the set specification or not through the upper pressure head detection assembly 2;
7) taking out the guide column 19, placing the guide column on the guide tool temporary storage detection assembly 5, and sensing whether the guide column 19 is placed in place through the guide tool temporary storage detection assembly 5;
8) detecting whether the specification of the pressed part is matched with the specified specification of the current pressing program or not by the pressed part identification device 12;
9) the pressed parts are placed on the lower pressing head 7, and whether the pressed parts on the tooling bottom plate 9 of the intelligent pressing machine body 1 are placed in place or not is detected through the part in-place left and right detection assemblies 4;
10) moving the guide post 19 from the guide tool temporary storage detection assembly 5 to the pressed part, wherein the guide tool temporary storage detection assembly 5 cannot sense the guide post 19, and the guide post in-place detection assembly 3 detects that the guide post 19 is placed in place;
11) the controller automatically confirms that the upper pressing head 6, the lower pressing head 7, the guide column 19 and the pressed part are placed in place and meet the set specification, and then allows the called pressing program to be started;
12) executing a press-fitting program through the HMI 8;
13) after the press mounting is finished, taking out the guide column 19 and placing the guide column on the guide tool temporary storage detection assembly 5, and closing the current press mounting program after the guide tool temporary storage detection assembly 5 senses the existence of the guide column 19;
14) and (4) disassembling the press-mounting object, and repeating the steps 1) to 13) to complete batch work.
The error-proof press fitting method of the intelligent error-proof press fitting equipment can perform automatic foolproof and error-proof detection from multiple aspects of tool storage, tool taking out, tool placing, press fitting, tool unloading and the like, so that the trend of aeroengine manufacturing from a manual mode to intelligent assembly is developed, the traceability overall assembly requirements of high efficiency, high reliability and production process are met, the one-time delivery qualification rate, quality stability and assembly efficiency of aeroengine assembly are ensured, the labor intensity of workers and the assembly operation management difficulty are reduced, the method has wide application prospects in the fields of aeroengine digitization and intelligent assembly, particularly has flexible, automatic and digital manufacturing technologies aiming at the production characteristics of multiple types and small batches of engines, and has important significance in upgrading of a large number of unit component assembly technologies of aeroengines.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an intelligence mistake proofing pressure equipment, including intelligent press body (1) that is provided with the controller, with controller signal connection's HMI human-machine interface (8), its characterized in that still includes:
the upper pressure head detection assembly (2) is arranged on an upper pressure head quick-change interface (16) of the intelligent press body (1) and is used for detecting whether the installed upper pressure head (6) meets the set specification;
the guide column in-place detection assembly (3) is arranged on the rear side of a press working platform (11) of the intelligent press body (1), is far away from the operation position of a worker, and is used for detecting whether a guide column (19) on a pressed part is placed in place or not;
the left and right part in-place detection assemblies (4) are oppositely arranged on the intelligent press body (1) and are used for detecting whether the pressed parts on the tool bottom plate (9) of the intelligent press body (1) are placed in place or not;
the lower pressure head in-place detection assembly (10) is arranged on the tooling bottom plate (9) and is used for detecting whether the lower pressure head (7) arranged on the tooling bottom plate (9) meets the set specification or not;
the pressed part identification device (12) is used for detecting whether the specification of the pressed part is matched with the specified specification of the current pressing program;
the tool storage warehouse (17) is arranged in the intelligent press body (1) and used for storing the upper pressing head (6), the lower pressing head (7) and the guide column (19) of various specifications and simultaneously prompting the grabbing positions of the upper pressing head (6), the lower pressing head (7) and the guide column (19) required by the current press-fitting operation;
the guide tool temporary storage detection assembly (5) is arranged at the left front side position of a press working platform (11) of the intelligent press body (1) and is used for sensing whether a guide column (19) is placed or not;
the controller is further respectively in circuit connection with the upper pressure head detection assembly (2), the guide column in-place detection assembly (3), the part in-place left and right detection assembly (4), the lower pressure head in-place detection assembly (10), the pressed part identification device (12), the guide tool temporary storage detection assembly (5) and the tool storage library (17), and is used for executing a press-fitting program to drive the intelligent press body (1) to perform press-fitting operation when detection results of the upper pressure head detection assembly (2), the guide column in-place detection assembly (3), the part in-place left and right detection assembly (4), the lower pressure head in-place detection assembly (10), the pressed part identification device (12) and the guide tool temporary storage detection assembly (5) all meet set requirements;
the guide post in-position detection assembly (3) comprises:
the guide post in-place sensor mounting seat (3-2) is fixedly arranged on the intelligent press body (1) and corresponds to the mounting position of the guide post (19);
the laser detection sensors (3-1) are fixed on the guide post in-place sensor mounting seats (3-2) at intervals from top to bottom along the vertical direction and are used for detecting whether the guide posts (19) on the pressed parts are placed in place or not;
the guide post sensor mounting base (3-2) that targets in place is vertically provided with a slotted hole, the laser detection sensor (3-1) is fixed on one side of the guide post sensor mounting base (3-2) that targets in place and deviates from the guide post (19), the light-emitting ends of the laser detection sensors (3-1) penetrate through the slotted hole and point to the guide post (19), and the axes of the light-emitting ends are parallel to each other and are located on the same vertical plane.
2. The intelligent mistake proofing press-fitting device according to claim 1, wherein the upper pressure head detection assembly (2) comprises:
the upper pressure head recognizer mounting frame (2-1) is arranged on an upper pressure head quick-change interface (16) of the intelligent press body (1);
and the upper pressure head recognizer (2-2) is fixedly arranged on the upper pressure head sensor mounting frame (2-1) and is used for detecting whether the installed pressure head (6) meets the set specification.
3. The intelligent mistake proofing press-fitting device of claim 2,
the upper pressure head recognizer (2-2) is a two-dimensional code reader or an RFID reader, and a two-dimensional code or an RFID chip containing specification and model information is arranged on the upper pressure head (6);
the pressed part identification device (12) is a two-dimensional code reader or an RFID reader, and the pressed part is provided with a two-dimensional code or an RFID chip containing specification and model information;
the lower pressing head in-place detection assembly (10) is a two-dimensional code reader or an RFID reader, and a two-dimensional code or an RFID chip containing specification and model information is arranged on the lower pressing head (7).
4. The intelligent mistake proofing press-fitting device according to claim 1, wherein the left and right part-in-place detection assembly (4) comprises:
the left and right part in-place sensor mounting seats (4-2) are oppositely and fixedly arranged on the intelligent press body (1) and are adjustable in height;
the two laser correlation sensors (4-1) are oppositely arranged on the left and right part in-place sensor mounting seats (4-2) respectively and are used for detecting whether pressed parts on a tool bottom plate (9) of the intelligent press body (1) are placed in place or not.
5. The intelligent mistake proofing press fitting equipment according to claim 4, wherein the two laser correlation sensors (4-1) are arranged on one sides of the left and right part in-place sensor installation seats (4-2) far away from a press fitting object, the light emitting ends of the two laser correlation sensors (4-1) respectively penetrate through the left and right part in-place sensor installation seats (4-2) and point to the installation position of a pressed part on the tool bottom plate (9), and the axes of the light emitting ends are positioned on the same straight line.
6. The intelligent mistake proofing press fitting equipment according to claim 1, wherein a tracing template (18) for storing upper press heads (6), lower press heads (7) and guide columns (19) of various specifications and models is arranged in the tool storage warehouse (17), index lamps (15) corresponding to the upper press heads (6), the lower press heads (7) and the guide columns (19) are arranged on the tracing template (18), and the index lamps (15) are automatically lightened according to the current press fitting program to prompt grabbing positions.
7. The intelligent mistake proofing press fitting equipment of claim 1, wherein the guide tool temporary storage detection assembly (5) comprises:
a guide tool temporary storage detection sensor mounting seat (5-1) arranged at the left front side of a press working platform (11),
and the proximity switch sensor (5-2) is arranged on the guide tool temporary storage detection sensor mounting seat (5-1) and used for sensing whether the guide column (19) is placed or not.
8. A mistake-proofing press-fitting method of intelligent mistake-proofing press-fitting equipment is characterized by comprising the following steps:
1) calling a press fitting program corresponding to the current press fitting operation through an HMI (human machine interface) 8;
2) pulling a tool storage warehouse (17) open, wherein the tool storage warehouse (17) prompts the grabbing positions of an upper pressing head, a lower pressing head and a guide column required by the current pressing operation according to the called pressing program;
3) taking out the lower pressure head (7) and placing the lower pressure head into the mounting hole of the tooling bottom plate (9);
4) whether a lower pressure head (7) arranged on a tool bottom plate (9) meets a set specification or not is detected through a lower pressure head in-place detection assembly (10);
5) taking out the upper pressure head (6) and installing the upper pressure head on an upper pressure head quick-change interface (16);
6) detecting whether the installed upper pressure head (6) meets the set specification or not through the upper pressure head detection assembly (2);
7) taking out the guide column (19), placing the guide column on the guide tool temporary storage detection assembly (5), and sensing whether the guide column (19) is placed in place through the guide tool temporary storage detection assembly (5);
8) detecting whether the specification of the pressed part is matched with the specified specification of the current pressing program or not by a pressed part identification device (12);
9) the pressed parts are placed on a lower pressing head (7), and whether the pressed parts on a tooling bottom plate (9) of the intelligent pressing machine body (1) are placed in place or not is detected through a part in-place left and right detection assembly (4);
10) moving the guide post (19) from the guide tool temporary storage detection assembly (5) to a pressed part, wherein the guide tool temporary storage detection assembly (5) cannot sense the guide post (19), and the guide post in-place detection assembly (3) detects that the guide post (19) is placed in place;
11) the controller automatically confirms that the upper pressure head (6), the lower pressure head (7), the guide post (19) and the pressed part are placed in place and meet the set specification, and then the called pressing program is allowed to be started;
12) executing a press-fitting program through an HMI (human machine interface) 8;
13) after the press mounting is finished, taking out the guide column (19) and placing the guide column on the guide tool temporary storage detection assembly (5), and closing the current press mounting program after the guide tool temporary storage detection assembly (5) senses the existence of the guide column (19);
14) and (4) disassembling the press-mounting object, and repeating the steps 1) to 13) to complete batch work.
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| CN113618351B (en) * | 2021-07-02 | 2022-10-11 | 昆山阿普顿自动化系统有限公司 | Automatic material returned mechanism of pressure equipment mistake proofing |
| CN113909863B (en) * | 2021-11-08 | 2022-11-08 | 深圳市合力士机电设备有限公司 | Motor steel sheet assembling machine and assembling method thereof |
| CN114392867B (en) * | 2021-12-23 | 2023-09-08 | 陕西法士特齿轮有限责任公司 | Oil seal press-fitting and greasing equipment and method for rear bearing cover of gearbox |
| CN115415776A (en) * | 2022-10-19 | 2022-12-02 | 东风（武汉）汽车零部件有限公司 | Bushing error-proofing detection device and using method thereof |
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