CN211373502U - One-machine dual-purpose measuring instrument - Google Patents
One-machine dual-purpose measuring instrument Download PDFInfo
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- CN211373502U CN211373502U CN201921931114.2U CN201921931114U CN211373502U CN 211373502 U CN211373502 U CN 211373502U CN 201921931114 U CN201921931114 U CN 201921931114U CN 211373502 U CN211373502 U CN 211373502U
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Abstract
The utility model discloses a dual-purpose type measuring instrument of a tractor, including installing measurement table, stand, image measurement system and the three-dimensional gauge head on the base, the three-dimensional gauge head is installed in image mirror sleeve one side, just image mirror sleeve and three-dimensional gauge head are all installed on the stand through a Z axle actuating mechanism, the measurement table top surface has inlayed a glass board, and a positioning fixture is installed to this glass board top, and this positioning fixture includes locating plate and locating lever, it has a plurality of screws to open on the locating plate, locating lever bottom screw thread is pegged graft in the screw, and this locating plate passes through the bolt and is connected with measurement table. The utility model discloses an install the three-dimensional gauge head additional on image mirror sleeve of image measuring apparatu, the cooperation installs positioning fixture additional on image measuring apparatu's measurement workbench, realizes image measurement and the switching of three-dimensional measurement to satisfy the measurement demand of different work pieces, reduce the measurement cost.
Description
Technical Field
The utility model relates to a quick-witted dual-purpose type measuring instrument belongs to precision measurement technical field.
Background
The image measuring instrument is a high-precision and high-tech measuring instrument integrating light, mechanical, electrical and computer image technologies. The existing camera of the DSP postprocessing measurement specialty for improving the image contrast by the 1/2CCD is matched with a self-developed telecentric optical lens to form a set of high-performance image measurement system, and after an amplified object image is sent to a computer, the contour, surface shape, size, angle and position of various complex workpieces can be efficiently detected, particularly the microscopic detection and quality control of precise parts. The measured data can be directly input into AUTOCAD, MASTERCAM, etc. to form a complete engineering drawing, and the drawing can generate DXF document, or input into WORD and EXCEL for statistical analysis.
The three-coordinate measuring machine is an instrument capable of expressing measuring capabilities such as geometric shapes, lengths, circumferential graduation and the like in a hexahedral space range, and is also called as a three-coordinate measuring machine or a three-coordinate scalar bed. The coordinate measuring machine can be defined as an instrument which has a detector capable of moving in three directions, can move on three mutually perpendicular guide rails, can transfer signals in a contact or non-contact mode, and can calculate each point (x, y, z) of a workpiece and each function measurement by a three-axis displacement measuring system through a data processor or a computer. The measurement functions of the three-coordinate measuring machine include dimensional accuracy, positioning accuracy, geometric accuracy, contour accuracy and the like.
In the prior art, the image measuring instrument and the three-coordinate measuring machine respectively realize the measurement of workpieces through different instrument structures, have own measurement advantages and have essential differences, the image measuring instrument is used for visual measurement and is suitable for soft and thin workpieces, the three-coordinate measuring machine is used for contact measurement and is widely suitable for fixed object detection, however, when the workpieces are measured in batches, not only the three-coordinate measuring machine needs to be purchased, but also the image measuring instrument needs to be purchased to meet the measurement requirements of all the workpieces, and the cost is high.
Disclosure of Invention
The utility model aims at providing a quick-witted dual-purpose type measuring instrument, this a quick-witted dual-purpose type measuring instrument have solved the different grade type work piece and need the test of different measuring instruments, change trouble, the higher problem of cost.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a dual-purpose measuring instrument comprises a measuring workbench, a stand column, an image measuring system and a three-coordinate measuring head, wherein the measuring workbench is arranged on a base, the image measuring system arranged above the measuring workbench comprises an image mirror sleeve, a CCD camera arranged in the image mirror sleeve and a parallel light source, the three-coordinate measuring head is arranged on one side of the image mirror sleeve, the image mirror sleeve and the three-coordinate measuring head are both arranged on the stand column through a Z-axis driving mechanism, a rotating shaft of a probe of the three-coordinate measuring head is not lower than the bottom surface of the image measuring system, the distance between the three-coordinate measuring head and the image measuring system is larger than the length of the probe of the three-coordinate measuring head, a scale grating is arranged on the side wall of the measuring workbench which displaces along the X-axis or Y-axis direction, a grating reading head corresponding to the scale grating is arranged on the base, and, a positioning fixture is installed above the glass plate and comprises a positioning plate and a positioning rod, a plurality of screw holes are formed in the positioning plate, threads at the bottom of the positioning rod are inserted into the screw holes, and the positioning plate is connected with a measuring workbench through bolts.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, install X axle slide rail on the base, movable mounting has the base plate on this X axle slide rail, install Y axle slide rail on the base plate, measurement workstation movable mounting is on Y axle slide rail.
2. In the scheme, the measuring working table on the periphery of the glass plate is provided with the positioning holes, and the bolts are inserted in the positioning holes in a threaded manner.
3. In the above scheme, a focusing lens is arranged below the CCD camera.
4. In the above scheme, the focus lens is located above the parallel light source.
5. In the above scheme, a contour light source is installed below the glass plate.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
this the utility model discloses a dual-purpose type measuring instrument of a tractor, it installs the three-dimensional gauge head additional through the image mirror sleeve at image measuring apparatu, and the cooperation installs positioning fixture additional on image measuring apparatu's measurement workbench, realizes image measurement and the switching of three-dimensional measurement to satisfy the measurement demand of different work pieces, reduce measurement cost.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the dual-purpose measuring instrument of the present invention;
FIG. 2 is a schematic structural view of a focusing lens part of the present invention;
FIG. 3 is a schematic structural view of a three-dimensional measuring head part of the present invention;
FIG. 4 is a top view of the measuring table without the positioning jig of the present invention;
FIG. 5 is a side view of the measuring table with positioning fixture of the present invention;
fig. 6 is a schematic structural view of the positioning fixture of the present invention.
In the above drawings: 1. a measuring table; 11. a glass plate; 2. a column; 3. an image measurement system; 31. an image mirror sleeve; 32. a CCD camera; 33. a collimated light source; 34. a focus lens; 35. a contour light source; 4. a three-coordinate measuring head; 41. a probe; 5. a scale grating; 51. a grating reading head; 6. positioning a clamp; 61. positioning a plate; 62. a screw hole; 63. positioning a rod; 64. a bolt; 7. a base; 8. a Z-axis drive mechanism; 101. an X-axis slide rail; 102. a substrate; 103. a Y-axis slide rail; 104. and (7) positioning the holes.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a dual-purpose measuring instrument, referring to attached figures 1-6, comprises a measuring workbench 1 mounted on a base 7, a column 2, an image measuring system 3 and a three-coordinate measuring head 4, wherein the image measuring system 3 positioned above the measuring workbench 1 comprises an image mirror sleeve 31, a CCD camera 32 positioned in the image mirror sleeve 31 and a parallel light source 33, the three-coordinate measuring head 4 is mounted on one side of the image mirror sleeve 31, the image mirror sleeve 31 and the three-coordinate measuring head 4 are both mounted on the column 2 through a Z-axis driving mechanism 8, a rotating shaft of a probe 41 of the three-coordinate measuring head 4 is not lower than the bottom surface of the image measuring system 3, the distance between the three-coordinate measuring head 4 and the image measuring system 3 is larger than the length of the probe 41 of the three-coordinate measuring head 4, a scale grating 5 is mounted on the side wall of the measuring workbench 1 which is displaced along the X-axis or Y-axis direction, a reading grating head 51 corresponding to the scale grating 5 is mounted, the top surface of the measuring workbench 1 is embedded with a glass plate 11, a positioning clamp 6 is mounted above the glass plate 11, the positioning clamp 6 comprises a positioning plate 61 and a positioning rod 63, the positioning plate 61 is provided with a plurality of screw holes 62, the bottom of the positioning rod 63 is inserted in the screw holes 62 in a threaded manner, and the positioning plate 61 is connected with the measuring workbench 1 through a bolt 64.
Example 2: a dual-purpose measuring instrument, referring to attached figures 1-6, comprises a measuring workbench 1 mounted on a base 7, a column 2, an image measuring system 3 and a three-coordinate measuring head 4, wherein the image measuring system 3 positioned above the measuring workbench 1 comprises an image mirror sleeve 31, a CCD camera 32 positioned in the image mirror sleeve 31 and a parallel light source 33, the three-coordinate measuring head 4 is mounted on one side of the image mirror sleeve 31, the image mirror sleeve 31 and the three-coordinate measuring head 4 are both mounted on the column 2 through a Z-axis driving mechanism 8, a rotating shaft of a probe 41 of the three-coordinate measuring head 4 is not lower than the bottom surface of the image measuring system 3, the distance between the three-coordinate measuring head 4 and the image measuring system 3 is larger than the length of the probe 41 of the three-coordinate measuring head 4, a scale grating 5 is mounted on the side wall of the measuring workbench 1 which is displaced along the X-axis or Y-axis direction, a reading grating head 51 corresponding to the scale grating 5 is mounted, the top surface of the measuring workbench 1 is embedded with a glass plate 11, a positioning clamp 6 is mounted above the glass plate 11, the positioning clamp 6 comprises a positioning plate 61 and a positioning rod 63, the positioning plate 61 is provided with a plurality of screw holes 62, the bottom of the positioning rod 63 is inserted in the screw holes 62 in a threaded manner, and the positioning plate 61 is connected with the measuring workbench 1 through a bolt 64.
An X-axis slide rail 101 is mounted on the base, a base plate 102 is movably mounted on the X-axis slide rail 101, a Y-axis slide rail 103 is mounted on the base plate 102, and the measuring workbench 1 is movably mounted on the Y-axis slide rail 103; positioning holes 104 are formed in the measuring working table 1 on the periphery of the glass plate 11, and the bolts 64 are inserted in the positioning holes 104 in a threaded manner; a focusing lens 34 is arranged below the CCD camera 32; the focusing lens 34 is positioned above the parallel light source 33; a contoured light source 35 is mounted below the glass plate 11.
The working principle is as follows: a processor for controlling measurement, namely a computer, is arranged beside the base 7, when a soft workpiece is measured, the positioning clamp 6 on the measuring workbench 1 is removed, the soft workpiece is placed on the glass plate 11, the measuring software is started, the CCD camera 32, the parallel light source 33 and the outline light source 35 are started, and move up and down to adjust the position under the drive of the Z-axis driving mechanism 8, wherein the Z-axis driving mechanism 8 is a linear motor system, the substrate 102 and the measuring workbench 1 respectively move on the X-axis slide rail 101 and the Y-axis slide rail 103, the drive of the substrate 102 and the measuring workbench 1 is realized through the transmission of a polish rod of a servo motor system, and the displacement distance is read through the grating reading head 51 and is transmitted to the computer for processing together; when a hard workpiece needs to be measured, the positioning fixture 6 is fixed on the measuring workbench 1 through the bolt 64, so that the workpiece and the measuring workbench 1 move synchronously, before measurement, the workpiece is placed on the measuring workbench 1, after the position of the workpiece is fixed by the cooperation of the positioning rods 63, the image measuring software is switched to the three-coordinate measuring software, and the three-coordinate measuring head 4 and the measuring workbench 1 are controlled by the computer to start working.
Therefore, an MH20i or PH10T measuring head originally matched with Renishaw in the UK is additionally arranged on the Z axis of the image measuring instrument, and the original high-definition CCD and high-definition lens of the image measuring instrument are integrated, so that the visual measurement of a two-dimensional space can be realized, and the contact measurement of a three-dimensional space can also be realized;
the workbench is quickly replaced to realize alternate measurement of the CMM and the VMM, a measurement system is replaced at the same time, and software of the same version corresponding to RatinalDmis (three-coordinate software) and Ratinal Vue (imager software) is called to realize the interchange of the two measurement methods;
the three-coordinate measuring machine adopts an air-floating guide rail, the image measuring instrument adopts a V-shaped linear guide rail, and the three-coordinate precision can be achieved through 21-term compensation.
When the dual-purpose measuring instrument is adopted, the three-coordinate measuring head is additionally arranged on the image mirror sleeve of the image measuring instrument, and the positioning fixture is additionally arranged on the measuring workbench of the image measuring instrument in a matching manner, so that the switching between image measurement and three-coordinate measurement is realized, the measurement requirements of different workpieces are met, and the measurement cost is reduced.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. A dual-purpose type measuring instrument of a machine which characterized in that: the measuring device comprises a measuring workbench (1) arranged on a base (7), a stand column (2), an image measuring system (3) and a three-coordinate measuring head (4), wherein the image measuring system (3) positioned above the measuring workbench (1) comprises an image mirror sleeve (31), a CCD camera (32) positioned in the image mirror sleeve (31) and a parallel light source (33), the image mirror sleeve (31) and the three-coordinate measuring head (4) are both arranged on the stand column (2) through a Z-axis driving mechanism (8), a rotating shaft of a probe (41) of the three-coordinate measuring head (4) is not lower than the bottom surface of the image measuring system (3), the distance between the three-coordinate measuring head (4) and the image measuring system (3) is larger than the length of the probe (41) of the three-coordinate measuring head (4), and a scale grating (5) is arranged on the side wall of the measuring workbench (1) which displaces along the X-axis or Y-axis direction, install grating reading head (51) that correspond with scale grating (5) on base (7), measurement workstation (1) top surface has inlayed a glass board (11), and a positioning fixture (6) is installed to this glass board (11) top, and this positioning fixture (6) are including locating plate (61) and locating lever (63), it has a plurality of screw (62) to open on locating plate (61), locating lever (63) bottom screw is pegged graft in screw (62), and this locating plate (61) is connected with measurement workstation (1) through bolt (64).
2. The dual-use measuring instrument of claim 1, wherein: the X-axis sliding rail (101) is mounted on the base, the base plate (102) is movably mounted on the X-axis sliding rail (101), the Y-axis sliding rail (103) is mounted on the base plate (102), and the measuring workbench (1) is movably mounted on the Y-axis sliding rail (103).
3. The dual-use measuring instrument of claim 1, wherein: positioning holes (104) are formed in the measuring working table (1) on the periphery of the glass plate (11), and the bolts (64) are inserted into the positioning holes (104) in a threaded mode.
4. The dual-use measuring instrument of claim 1, wherein: a focusing lens (34) is arranged below the CCD camera (32).
5. The dual-use measuring instrument of claim 4, wherein: the focusing lens (34) is positioned above the parallel light source (33).
6. The dual-use measuring instrument of claim 1, wherein: a contour light source (35) is arranged below the glass plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921931114.2U CN211373502U (en) | 2019-11-11 | 2019-11-11 | One-machine dual-purpose measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921931114.2U CN211373502U (en) | 2019-11-11 | 2019-11-11 | One-machine dual-purpose measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211373502U true CN211373502U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921931114.2U Active CN211373502U (en) | 2019-11-11 | 2019-11-11 | One-machine dual-purpose measuring instrument |
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| Country | Link |
|---|---|
| CN (1) | CN211373502U (en) |
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- 2019-11-11 CN CN201921931114.2U patent/CN211373502U/en active Active
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