CN101293263B - Processing method for multi-station automatic stretch and punch press employing the same - Google Patents
Processing method for multi-station automatic stretch and punch press employing the same Download PDFInfo
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- CN101293263B CN101293263B CN2007100741615A CN200710074161A CN101293263B CN 101293263 B CN101293263 B CN 101293263B CN 2007100741615 A CN2007100741615 A CN 2007100741615A CN 200710074161 A CN200710074161 A CN 200710074161A CN 101293263 B CN101293263 B CN 101293263B
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- 239000000463 material Substances 0.000 claims abstract description 103
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- 238000004080 punching Methods 0.000 claims abstract description 7
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- 238000001514 detection method Methods 0.000 claims description 18
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- 239000011265 semifinished product Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
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- 230000000694 effects Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
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Abstract
The invention discloses a multiple-stage automatic drawing processing method; the processing procedure is that step 1, feeding; step 2, multiple-stage stamp forming. In order to realize multiple-stage automatic drawing processing method, a punching machine device is adopted, which includes a multiple-stage punching machine, drawing dies, a material lifting system, a material returning system, detecting systems, a conveyer belt, a driven system, a cooling system and a lubrication system; as a mechanical hand is arranged, a full automatic processing procedure can be adopted for replacing the existing procedures, most of which are operated manually, thus the production efficiency of products is improved, meanwhile, the operation safety is enhanced for operators, the processing cost of the products is reduced and the quality of the processed products is improved. As the detecting systems are respectively arranged between procedures and on the mechanical hand, the safe and reliable operation of the dies and equipment in the full automatic production process can be guaranteed. Furthermore, as the mechanical hand and a pneumatic feeder are arranged, the process flow can be shortened and the invention has simple processing.
Description
[technical field]
The present invention relates to a kind of processing method of multi-station automatic drawing and use the punch device of this processing method.
[background technology]
Technical process at existing traditional processing drawn products: elder generation is according to the requirement of drawn products; The mould of confirming to process the stretching process of this drawn products and manufacturing and designing this drawn products; The per pass operation needs a mold; From the superficial to the deep; And be installed in successively on the common punch press; Punching press is just accomplished one by one, is all accomplished by manual operations in the per pass operation of above-mentioned process.For example: certain drawn products need stretch and just can be shaped for eight times; Add drawn products again and cut edge, the operation that promptly constitutes the processing entire product is nine procedures, in the process of this drawn products; Must design nine overlap processing molds, and every mold could be accomplished the per pass operation at different punch presses respectively.In the process of above-mentioned drawn products, because of the operation of processing this drawn products is many, mould is many, makes its processed complex.Cause takies equipment, operating personnel are many, makes that its processing cost is high, machining accuracy is low.Because of above-mentioned operation major part needs manually-operated, make that the efficient of its production is low, poor stability, poor product quality.
[summary of the invention]
The present invention provides a kind of for the technical problem that solves above-mentioned prior art and exist can have not only that processing is simple, processing cost is low, machining accuracy is high, but also have enhance productivity, the processing method of the multi-station automatic drawing of security and product quality and the punch device that uses this processing method.
Be the realization above-mentioned purpose, the processing method of a kind of multi-station automatic drawing provided by the present invention, its concrete process is:
Earlier coiled strip is delivered to through the pneumatic feed device and carried out blanking in first station of mould or blanking stretches, drive the left and right motion of manipulator by the cylindrical cam in the transmission system again; Simultaneously, manipulator is done forward and backward motion under the drive of another disc cam, and manipulator clamping circle material or semi-finished product are driven by transmission system and carry out forward and backward feeding;
Second step; Multiple site punching is shaped: manipulator will be justified material or semi-finished product are transported on second station of mould; The stretching drift will justify material or semi-finished product are pulled into mould in-draw shaping; When rising, forcing press rely on spring or cylinder in the liftout system that product is ejected the stretching die; Forcing press continues to rise; The material returning sleeve of material returning system is backed off semi-finished product from drift; Semi-finished product are grasped by manipulator and are sent to down in the road station mould; Up to striking out finished product; Then, manipulator is placed on finished product and sees product on the conveyer belt automatically off.
In order to realize the processing method of above-mentioned multi-station automatic drawing; And adopt a kind of punch device; It comprises the multistation punch press; Be placed in the drawing die on the multistation punch press workbench; Be installed on the liftout system of drawing die bottom; Be installed on the conveyer belt on multistation punch press workbench right side; Be installed on the pneumatic feed device and the material shelf of multistation punch press workbench front side; Be installed on the transmission system in the left side of multistation punch press; Be installed on cooling system of transmission system one side and the lubricating system that is connected with the multistation punch press; It is characterized in that: between stretching die and material returning sleeve, be provided with manipulator; Be provided with detection system between each operation and on the manipulator, on the rear of drawing die and stretching drift, be provided with material returning system; Described manipulator comprises the manipulator clamping device; On the multistation punch press, also be provided with the structure that an essence is cut narrow limit and broadside.
According to above-mentioned major technique characteristic, described manipulator clamping device comprises cam, is installed on the inner main shaft of cam, with the interconnective push rod of cam, be used for cam and the interconnective camshaft bearing of push rod, be installed on upper bracket on the push rod, be installed on the push rod and lower carriage between upper bracket and cam, be installed on the push rod and be positioned at the connecting rod on upper bracket top, the turning cylinder that is movably connected on conversion block on the connecting rod and is installed on conversion block inside.
According to above-mentioned major technique characteristic; Described detection system comprise main control box, blanking operation sensor, with the main traverse line that blanking operation sensor is connected, be connected in parallel in being used on the main traverse line detect each process product detection elasticity probe, be parallel on the main traverse line and finger feed that be positioned at a side that detects the elasticity probe detects microswitch, is parallel on the main traverse line and manipulator that be positioned at the opposite side that detects the elasticity probe detection microswitch of loosing one's grip; Described main control box comprises the stretch forming status indicator lamp of the central position that is arranged at main control box; Be arranged at the slider of punch position indicator on stretch forming status indicator lamp top; Be arranged at the manipulator front and back status indicator lamp of stretch forming status indicator lamp upside; Be arranged at the blanking operation indicator lamp of a side of stretch forming status indicator lamp; Be arranged at the manipulator left and right sides status indicator lamp of the opposite side of stretch forming status indicator lamp; Be arranged at the detection selector switch of stretch forming status indicator lamp bottom; Be arranged at the stopping signal switch that detects the selector switch bottom; Be arranged at the power switch button of stopping signal switch one side; Be arranged at the reset key of stopping signal switch opposite side.
According to above-mentioned major technique characteristic; Described material returning system comprises material returned stand, is fixed in the support plate on the material returned stand; Be installed on power transmission shaft and bolster on the support plate; Be fixed in material returned cam and sprocket wheel on the power transmission shaft; Be movably connected on the material returned arm on the bolster; Be movably connected on the material returning sleeve of material returned arm front end; Be installed on the material returned arm and with the contacted material returned Height Adjustment of material returned cam screw; Be fixed on the material returning sleeve limiting plate on the support plate, be installed on the extension spring between material returned arm rear end and the material returned stand.
According to above-mentioned major technique characteristic; Described transmission system comprises the punch press motor; The flywheel that is connected with the punch press motor; With the intermeshing first stud gear of flywheel; With the intermeshing second stud gear of first stud gear; The power output shaft that cooperatively interacts with second stud gear; The intermediate chain wheel that links to each other with the power output shaft upper sprocket wheel; The head sprocket that links to each other with intermediate chain wheel and main transmission box sprocket wheel that links to each other with head sprocket and material returning system sprocket wheel; Comprise fixed conveyor case sprocket wheel and the camshaft that therewith rotates in the described main transmission box; Be installed on the cylindrical cam on the camshaft; Be installed on the slide block and the cramp bar of the side-to-side movement of cylindrical cam top drive manipulator; Be installed on disc cam and the manipulator clamping device of top thereof on the camshaft, be installed on eccentric wheel and the drive work thereof on the camshaft and be fixed on the grease pump of transmission case bottom.
According to above-mentioned major technique characteristic, described manipulator comprises first base, be installed on the seat of honour on the first base top, be installed in the guide groove at the seat of honour and the 3rd slide block that slides before and after carrying out, be installed on the loam cake that is used to push down the 3rd slide block on the seat of honour, be installed on the inner stationary pipes of the seat of honour and first base, be installed on the first inner turning cylinder of stationary pipes, be installed on copper billet in the square hole of the 3rd slide block, be fixed in the fixture block of the 3rd slide block one end and rely on himself screw thread to be fixed on first turning cylinder and insert the interior fork of copper billet.
According to above-mentioned major technique characteristic, described manipulator comprises fixed bar; Be installed on the bearing block on fixed bar top; Be installed on the second inner slide block of fixed bar; Be installed on the lock-screw of the inner end of second slide block; The adjustment screw that cooperatively interacts with lock-screw; Be installed on the spring of the inner other end of second slide block; Be installed on bearing block; Fixed bar; Between second slide block and vertical with its three fork; Be installed between lock-screw and the spring and fork is inserted in the copper billet of its endoporus; Be installed on the inner oiliness bearing of bearing block; Be installed on second inner turning cylinder of oiliness bearing and the fixture block that is fixed in second slide block, one end.
Described manipulator comprises fixed bar; Be installed on the bearing block on fixed bar top; Be installed on the second inner slide block of fixed bar; Be installed on the lock-screw of the inner end of second slide block; The adjustment screw that cooperatively interacts with lock-screw; Be installed on the spring of the inner other end of second slide block; Be installed on bearing block; Fixed bar; Between second slide block and vertical with its three fork; Be installed between lock-screw and the spring and fork is inserted in the copper billet of its endoporus; Be installed on the inner oiliness bearing of bearing block; Be installed on second inner turning cylinder of oiliness bearing and the fixture block that is fixed in second slide block, one end.
According to above-mentioned major technique characteristic, the structure that described essence is cut narrow limit and broadside comprises main spring; Be installed on the inner inner spring of main spring; Be installed on the inner spring jacking block on inner spring top; The main spring jacking block on main spring top is installed; Be installed on jacking block in the slide block above the inner spring jacking block; Be installed on the punch press workbench and be used to push down second base of main spring jacking block; Be installed on the guide rail fixed plate above second base; Be installed on guide rail fixed plate inner first guide rail and second guide rail; Be installed on the guide rail fixed plate and be used to press the slide block pressing plate of slide block; Be installed on the slide block in first guide rail and second base; Be installed on the planker of slide block upper top.
According to above-mentioned major technique characteristic, the structure that described essence is cut narrow limit and broadside also comprises die shank, be fixed in the upper punch fixed head of the lower end surface of die shank, be installed on the lower tip of upper punch fixed head the side cut upper punch, be installed on end face under the side cut upper punch fixed high piece, be installed on the screw that is used for fixing die shank on the clamping plate.
Useful technique effect of the present invention: because of between stretching die and material returning sleeve, being provided with manipulator; Make it can adopt full-automatic process to replace the operation of existing most of artificial operation; Thereby reach the production efficiency that improves entire product; Also can improve simultaneously the security of personnel operation, the processing cost of reduction product, improve the quality of processed product.Because of being provided with detection system between each operation and on the manipulator, guaranteed that equipment and mold can safe and reliable operation in the full automatic processing.Because of being provided with manipulator and pneumatic feed appliance, make it can simplify the technological process of processing again, accomplish feeding, stretching between each operation automatically, of the present invention have processing simply.
In addition, multistation punch device of the present invention has following advantage :1, the multistation punch press has high-performance, the high accuracy that is complementary with mechanical system; 2,, make it have high accuracy, high rigidity, long-life, good hear resistance, constant product quality because of adopting high performance wolfram steel material mould; 3,, can guarantee that constant product quality, mould work safely and reliably because of adopting accurate fairlead mechanism; 4, have high efficiency, high-quality; 5, adopt pneumatic liftout system and cam material returning system, guarantee that the material returned accurately, reliably, has guaranteed producing automatically continuously of production line; 6, in automatic feeding system, increased brakes, avoid of the influence of moving parts inertia to transmission mechanism, guarantee the accuracy of transmission.
For purpose, structural feature and function thereof to invention have further understanding, conjunction with figs. describes in detail as follows now:
[description of drawings]
Fig. 1 is the flow chart of the processing method of a kind of multi-station automatic drawing among the present invention;
Fig. 2 is the front schematic view of punch device among the present invention;
Fig. 3 is the side schematic representation intention of punch device among the present invention;
Fig. 4 is detection system theory structure sketch map among the present invention;
Fig. 5 is material returning system front view among the present invention;
Fig. 6 is material returning system vertical view among the present invention;
Fig. 7 is material returning system side view among the present invention;
Fig. 8 is transmission principle sketch map among the present invention;
Fig. 9 is smart front schematic view of cutting the part of the lower die structure on narrow limit among the present invention;
Figure 10 is the side schematic view among Fig. 9;
Figure 11 be among Figure 10 A to sketch map;
Figure 12 is smart front schematic view of cutting the part of the upper die structure on narrow limit among the present invention;
Figure 13 is the side schematic view among Figure 12;
Figure 14 is the front section view of manipulator among the present invention;
Figure 15 is the vertical view of manipulator among the present invention;
Figure 16 is the side view of manipulator among the present invention;
Figure 17 is the sketch map of manipulator clamping device among the present invention;
Figure 18 is the schematic cross-section of manipulator clamping device among the present invention;
Figure 19 is another kind of manipulator schematic cross-section among the present invention;
Figure 20 is another kind of manipulator side front view among the present invention;
Figure 21 is another kind of manipulator vertical view among the present invention;
Figure 22 is another kind of manipulator side figure among the present invention.
[specific embodiment]
See also Fig. 1 to shown in Figure 22, below in conjunction with first kind of embodiment the processing method of a kind of multi-station automatic drawing provided by the present invention is described, its concrete process is:
Earlier coiled strip is delivered to through pneumatic feed device 10 and carried out blanking in first station of mould or blanking stretches, drive manipulators 9 left and right motions by the cylindrical cam in the transmission system 3 45 again; Simultaneously, manipulator 9 is done forward and backward motion under the drive of another disc cam 58, and manipulator 9 clampings circle material or semi-finished product are driven by transmission system 3 and carry out forward and backward feeding;
Second step; Multiple site punching is shaped: manipulator 9 will be justified material or semi-finished product are transported on second station of mould; The stretching drift will justify material or semi-finished product are pulled into mould in-draw shaping; When rising, forcing press rely on spring or cylinder in the liftout system 5 that product is ejected the stretching die; Forcing press continues to rise; The material returning sleeve 32 of material returning system 4 is backed off semi-finished product from drift; Semi-finished product are grasped by manipulator 9 and are sent to down in the road station mould; Up to striking out finished product; Then, manipulator 9 is placed on finished product and sees product on the conveyer belt 11 automatically off.
Above-mentioned stretch process method and existing traditional processing method that stretches, each other relatively, stretch process method of the present invention has processing simply, and is safe and reliable, helps enhancing productivity.Also can improve simultaneously converted products precision, improve the quality of processed product, be applicable to automated production in enormous quantities.
See also Fig. 2 and shown in Figure 3; In order to realize the processing method of above-mentioned multi-station automatic drawing; And adopting a kind of punch device, it comprises what multistation punch press 1, drawing die 2, transmission system 3, material returning system 4, liftout system 5, detection system 6, lubricating system 7, cooling system 8, manipulator 9, pneumatic feed device 10 and conveyer belt 11 constituted.Multistation stretching mould 2 is provided with the structure that an essence is cut narrow limit and broadside.
In multistation punch press 1 inside; Drawing die 2 is installed on the workbench top of multistation punch press 1; The bottom that described liftout system 5 is installed on drawing die 2; Be installed on the conveyer belt 11 on multistation punch press workbench right side; Be installed on the pneumatic feed device 10 and the material shelf of the workbench front side on the multistation punch press 1; Described transmission system 3 is placed in the left side of multistation punch press 1; Described cooling system 8 is installed on the right side of transmission system 3; Said lubricating system 7 is interconnective with drawing die 2; Between the die of drawing die 2 and material returning sleeve, be provided with manipulator 9; Be provided with detection system 6 between each operation and on the manipulator 9, on the rear of drawing die 2 and stretching drift, be provided with material returning system 4.
See also shown in Figure 4; Described detection system 6 comprise main control box 12, blanking operation sensor 13, with the main traverse line 14 that blanking operation sensor 13 is connected, be connected in parallel in being used on the main traverse line 14 detect each process product detection elasticity probe 15, be parallel on the main traverse line 14 and finger feed that be positioned at a side that detects elasticity probe 15 detects microswitch 16, is parallel on the main traverse line 14 and manipulator that be positioned at the opposite side that detects elasticity probe 15 is loosed one's grip and detected microswitch 17; Described main control box 12 comprises the stretch forming status indicator lamp 18 of the central position that is arranged at main control box 12; Be arranged at the slider of punch position indicator 19 on stretch forming status indicator lamp 18 tops; Be arranged at the manipulator 9 front and back status indicator lamps 20 of stretch forming status indicator lamp 18 upsides; Be arranged at the blanking operation indicator lamp 21 of a side of stretch forming status indicator lamp 18; Be arranged at manipulator 9 left and right sides status indicator lamps 22 of the opposite side of stretch forming status indicator lamp 18; Be arranged at the detection selector switch 23 of stretch forming status indicator lamp 18 bottoms; Be arranged at the stopping signal switch 24 that detects selector switch 23 bottoms; Be arranged at the power switch button 25 of stopping signal switch 24 1 sides; Be arranged at the reset key 26 of stopping signal button 24 opposite sides.
See also Fig. 5 to shown in Figure 7; Described material returning system 4 comprises material returned stand 27, be fixed in support plate 28 on the material returned stand 27, be installed on power transmission shaft 29 and bolster 291 on the support plate 28; Be connected in material returned cam 301 and sprocket wheel 30 on the power transmission shaft; Be movably connected on the material returned arm 31 of bolster 291; Be movably connected on the material returning sleeve 32 of material returned arm front end; Be positioned on the material returned arm 31 and with material returned cam 301 contacted material returned Height Adjustment screws 33; Be fixed on the material returning sleeve limiting plate 35 on the support plate 28, be installed on the extension spring 34 of material returned arm rear end.
When multistation punch press 1 when top dead-centre walks downward, the cam of material returned cam 301 jack-up driven members adjustment screw 33 promotes material returned arms 31 and turns clockwise, thus it is descending to drive material returning sleeve 32; When slider of punch when bottom dead centre is up walked; Material returned cam 301 begins the motion from height point toward low spot; Under the effect of spring 34; Material returned arm 31 is rotated counterclockwise; Rise thereby drive material returning sleeve 32, behind the arrival certain position, material returning sleeve 32 stop motions; And drift continue to rise, and material returning sleeve 32 is backed off product from drift.The distance of material returning sleeve 32 from the mould plane also can be regulated through the adjustment of the cam on material returning sleeve 32 limiting plates 35 screw 33 in cam adjustment screw 33 scalable material returned positions sooner or later.
See also shown in Figure 8; Described transmission system comprises punch press motor 36; The flywheel 37 that is connected with punch press motor 36; With flywheel 37 intermeshing first stud gears 38; With first stud gear 38 intermeshing second stud gears 39; The power output shaft 40 that cooperatively interacts with second stud gear 39; The intermediate chain wheel 41 that links to each other with power output shaft 40 upper sprocket wheels; Head sprocket 42 that links to each other with intermediate chain wheel 41 and the main transmission box sprocket wheel 421 that links to each other with head sprocket 42; Comprise fixed conveyor case sprocket wheel 421 and the camshaft 59 that therewith rotates in the described main transmission box; Be installed on the cylindrical cam 45 on the camshaft 59; Be installed on the slide block 451 and the cramp bar of 9 side-to-side movements of cylindrical cam 45 tops drive manipulator; Be installed on disc cam 58 and manipulator 9 clamping devices of top thereof on the camshaft 59, be installed on eccentric wheel 591 and the drive work thereof on the camshaft 59 and be fixed on the grease pump 592 of transmission case bottom.
During moment of torsion that punch press motor 36 is produced; Through being delivered on the power output shaft 40 behind flywheel 37, first and second change-speed gearing 38,39; And be delivered on the head sprocket 42 through intermediate chain wheel 41; Herein power is divided into two lines; One the road to material returning system sprocket wheel 30, and another road is to main transmission box sprocket wheel 421.In main transmission box, head sprocket 42 to main transmission box sprocket wheel 421, rotates thereby drive cylindrical cam 45 transmission of power with disc cam 58.Cylindrical cam 45 drives manipulator 9 side-to-side movements through mechanical slide 451 in rotary course, accomplish feeding and fallback action.And disc cam 58 drives the power transmission shaft 57 of manipulator 9 and rotatablely moves in rotary course, accomplishes material folding and unclamps action.When material returning system, head sprocket 42 to material returning system sprocket wheel 30, drives cylindrical cam 44 rotations on the power transmission shaft with transmission of power, moves up and down thereby drive material returning sleeve 32, accomplishes the location and material returned action.
See also Fig. 9 to shown in Figure 13, the part of the lower die structure that described essence is cut narrow limit comprises main spring 100; Be installed on the inner spring 101 of main spring 100 inside; Be installed on the inner spring jacking block 102 on inner spring 101 tops; The main spring jacking block 103 on main spring 100 tops is installed; Be installed on jacking block 104 in the slide block above the inner spring jacking block 102; Be installed on the punch press workbench and be used to push down second base 105 of main spring jacking block 103; Guide rail fixed plate 106 above second base 105 is installed; Be installed on first guide rail 107 and second guide rail 202 of guide rail fixed plate 106 inside; Be installed on the guide rail fixed plate 106 and be used to push down the slide block pressing plate 108 of slide block 109; Be installed on first; Slide block 109 in two guide rails, 107 and second base 105; Be installed on the planker 201 of slide block 109 upper top.
The part of the upper die structure that described essence is cut narrow limit comprises die shank 203, be fixed in the upper punch fixed head 205 of the lower end surface of die shank 203, be installed on the lower tip of upper punch fixed head 205 side cut upper punch 206, be installed on the position-limited needle fixed head 210 of upper punch fixed head 205 lower ends; Position-limited needle 209 is housed on the position-limited needle fixed head 210, be installed on 206 times end faces of side cut upper punch fixed high piece 207, be installed on the clamping plate 208 and be used for fixing the screw 204 of die shank 203.
Described fixed high piece 207 is mainly used in the height of confirming the side cut product.Described position-limited needle 209 is mainly used in and limits clearance between punch and die and pressing slide block to move downward.Described first and second guide rail 107,202 is mainly used in swaying direction and the distance of confirming first slide block 109.Described main spring 100 and main spring jacking block 103 are mainly used in first slide block 109 of supporting.Jacking block 104 is mainly released housing in described inner spring 101, inner spring jacking block 102 and the slide block in first slide block 109.
The course of work that described essence is cut the structure on narrow limit is: when the housing that last operation stretching is accomplished is delivered on the edger planker 201 by manipulator 9; Multistation punch press 1 down moves from top dead-centre; The edger part of the upper die also moves downward; When moving to certain altitude; Fixed high piece 207 at first gets into the housing inner chamber, housing is pressed in the hole of first slide block 109.Multistation punch press 1 continues to move downward, and position-limited needle contacts first slide block 109, and is pressing first slide block 109 when the curve of second guide rail 202 moves downward, to swing, and accomplishes the action of cutting edge; When multistation punch press 1 moves from bottom dead centre toward top dead-centre; First slide block 109 is up motion under the power effect of main spring 100; Housing then withdraws from first slide block 109 under the power effect of inner spring 101, accomplish and to cut narrow limit, and the side cut waste material is stuck in the groove of side cut planker 201 and discharges successively.Above-mentioned edger part of the upper die comprises clamping plate 208, die shank 203, upper punch fixed head 205, side cut upper punch 206, position-limited needle and fixed high piece 207.
Described essence cut broadside structure, the principle on structure, the narrow limit of principle and said smart limit basic identical; Its difference: fixed high piece 207 in the structure on described smart hem width limit, down move in the narrow limit of leaning on side cut upper punch 206 pressing housing to cut when cutting broadside, height is identical when cutting narrow limit.
See also Figure 14 to shown in Figure 180, described manipulator 9 comprises fixed bar 48; Be installed on the bearing block 49 on fixed bar 48 tops; Be installed on second slide block 50 of fixed bar 48 inside; Be installed on second slide block 50 inner lock-screw 52; The adjustment screw 51 that cooperatively interacts with lock-screw 52; Be installed on the spring 53 of the other end of second slide block, 50 inside; Be installed in the square hole of second slide block 50 and two ends respectively with spring 53 with adjust the copper billet 55 that screw 51 contacts; Be installed on second turning cylinder 57 and insert the fork 54 in the copper billet 55; Be installed on the oiliness bearing 56 of bearing block 49 inside; Be installed on second turning cylinder 57 of oiliness bearing 56 inside and the fixture block 58 that is fixed in second slide block, 50 1 ends.
Described in the present embodiment fixture block 58 is fixed on second slide block 50 through soket head cap screw; Slide in the square hole of second slide block 50 on fixed bar 48; In the square hole of copper billet 55 on second slide block 50, an end relies on spring 53 supportings, and the other end is adjusted by adjustment screw 51.Oiliness bearing 56 is placed in the bearing block 49, and bearing block 49 is fixed on the fixed bar 48 through soket head cap screw, and shift fork 54 relies on himself screw thread to be fixed on second turning cylinder 57, and the other end then inserts in the copper billet 55.
See also Figure 17 and shown in Figure 20; Described manipulator 9 also comprises the manipulator clamping device, and described manipulator clamping device comprises disc cam 58; Be installed on the camshaft 59 of disc cam 58 inside; With cam 58 interconnective push rods 60; Be used for cam 58 and push rod 60 interconnective camshaft bearings 61; Be installed on the upper bracket 62 on the push rod 60; Be installed on the push rod 60 and the lower carriage 621 between upper bracket 62 and cam 58; Be installed on the push rod 60 and be positioned at the connecting rod 63 on upper bracket 62 tops; Be movably connected on conversion block 64 on the connecting rod 63 and be installed on the inner turning cylinder 57 of conversion block 64.
When punch press moves; Power is transferred on the camshaft 59 of transmission case from output shaft via intermediate chain wheel 41; Drive camshaft 59 rotations; And cam 58 by tooth and camshaft 59 be linked together; Thereby and then camshaft 59 rotates together; And drive push rods 60 by camshaft bearing 61 and in the locating hole of upper bracket 62 and lower carriage 621, move up and down; Chain bar 63 links together by pin and push rod 60 and follows push rod 60 to move up and down; With moving block 64 the upper and lower motion of chain bar 63 is transformed into the motion that rotates back and forth of turning cylinder 57 then, thereby has realized the motion that manipulator clamps and unclamps.
Punch press power is delivered on the main transmission box sprocket wheel 421 through the chain transmission, thereby the cylindrical cam 45 of the disc cam 58 of drive material folding and feeding rotatablely moves.When punch press during at top dead-centre; Manipulator is in clamped condition; Punch press down moves from top dead-centre; The also and then rotation of the disc cam 58 of material folding and the cylindrical cam 44 of feeding; When in mold and punching head gets into the per pass process product, also accurately locating; The disc cam 58 jack-up follower levers of material folding also are rotated counterclockwise through the turning cylinder 57 in the moving manipulator 9 of the rider on the bar, and the shift fork 54 on this turning cylinder 57 is stirred in the manipulator 9 second slide block 50 and shunk back and send out product.The punch press continuation is down moved, and when arriving certain position, the cylindrical cam 45 of feeding drives follower levers, and the whole manipulator of fixed bar 48 drives of driving machinery hand 9 moves to last operation preparation clamping left.When punch press when bottom dead centre up moves to a certain position, product has exceeded the mould plane, the disc cam 58 of material folding drives shift forks 54 and turns clockwise, the clamping product that move forward of second slide block 50 in the manipulator 9.Punch press continues up motion, and material returning system is all backed off every process product from drift after, the fixed bar 48 that the cylindrical cam 45 of feeding drives manipulator 9 moves right, and product is delivered to back one operation.Circulation has just realized that manipulator changes material automatically and stretches thus.
Coiled strip gets into mould first operation through pneumatic feed device 10; Automatically change subsequent processing over to through manipulator 9 behind the punch press one stroke; In drawing process; Product in the die is ejected die by cylinder in the liftout system 5 and ejection block; Then along with drift is up; Material returning sleeve 32 in the material returning system 4 is backed off product from drift, after accomplishing each preface successively and stretching and cut edge, manipulator 9 is put into output on the conveyer belt 11 with product.
In sum; Because of between stretching die and material returning sleeve 32, being provided with manipulator 9; Make it can adopt full-automatic process to replace the operation of existing most of artificial operation; Thereby reach the production efficiency that improves entire product; Also can improve simultaneously the security of personnel operation, the processing cost of reduction product, improve the quality of processed product.Because of being provided with detection system between each operation and on the manipulator, guaranteed that equipment and mold can safe and reliable operation in the full automatic processing.Because of being provided with manipulator 9 and pneumatic feed appliance 10, make it can simplify the technological process of processing again, accomplish feeding, stretching between each operation automatically, of the present invention have processing simply.
In addition, multistation punch device of the present invention has following advantage :1, the multistation punch press has high-performance, the high accuracy that is complementary with mechanical system; 2,, make it have high accuracy, high rigidity, long-life, good hear resistance, constant product quality because of adopting high performance wolfram steel material mould; 3,, can guarantee that constant product quality, mould work safely and reliably because of adopting accurate fairlead mechanism; 4, have high efficiency, high-quality; 5, adopt the pneumatic liftout system and the material returning system of cam, guarantee that the material returned accurately, reliably, has guaranteed producing automatically continuously of production line; 6, in automatic feeding system, increased brakes, avoid of the influence of moving parts inertia to transmission mechanism, guarantee the accuracy of transmission.
Please refer to Figure 20 to shown in Figure 22, the described manipulator difference among the manipulator described in second kind of embodiment of the present invention and the first kind of embodiment: described manipulator 9 comprises first base 70; Be installed on the seat of honour 72 on first base, 70 tops; Be installed in the guide groove at the seat of honour 72 and the 3rd slide block 76 that slides before and after carrying out; Be installed on the loam cake 71 that is used to push down the 3rd slide block 76 on the seat of honour 72; Be installed on the stationary pipes 73 of the seat of honour 72 and first base, 70 inside; Be installed on first turning cylinder 74 of stationary pipes 73 inside; Be installed on the interior copper billet 75 of square hole of the 3rd slide block 76; Be fixed in the fixture block 77 of the 3rd slide block 76 1 ends and rely on himself screw thread to be fixed on first turning cylinder 74 and insert the fork 78 in the copper billet 75.But be to drive its first turning cylinder, 74 reciprocal rotations through mechanical grip mechanism to realize degree of tightness and unclamp equally.
Described manipulator 9 is installed on the said punch device, can reach first kind of technique effect described in the enforcement equally.
Claims (8)
1. the processing method of a multi-station automatic drawing, its concrete process is:
Earlier coiled strip is delivered to through the pneumatic feed device and carried out blanking in first station of mould or blanking stretches, drive the left and right motion of manipulator by the cylindrical cam in the transmission system again; Simultaneously, manipulator is done forward and backward motion under the drive of another disc cam, and manipulator clamping circle material or semi-finished product are driven by transmission system and carry out forward and backward feeding;
Second step; Multiple site punching is shaped: manipulator will be justified material or semi-finished product are transported on second station of mould; The stretching drift will justify material or semi-finished product are pulled into mould in-draw shaping; When rising, forcing press rely on spring or cylinder in the liftout system that product is ejected the stretching die; Forcing press continues to rise; The material returning sleeve of material returning system is backed off semi-finished product from drift; Semi-finished product are grasped by manipulator and are sent to down in the road station mould; Up to striking out finished product; Then, manipulator is placed on finished product and sees product on the conveyer belt automatically off.
2. punch device of realizing the processing method of multi-station automatic drawing as claimed in claim 1; It comprises the multistation punch press; Be placed in the drawing die on the multistation punch press workbench; Be installed on the liftout system of drawing die bottom; Be installed on the conveyer belt on multistation punch press workbench right side; Be installed on the pneumatic feed device and the material shelf of multistation punch press workbench front side; Be installed on the transmission system in the left side of multistation punch press; Be installed on cooling system of transmission system one side and the lubricating system that is connected with the multistation punch press; It is characterized in that: between stretching die and material returning sleeve, be provided with manipulator; Be provided with detection system between each operation and on the manipulator, on the rear of drawing die and stretching drift, be provided with material returning system; Described manipulator comprises the manipulator clamping device; On the multistation punch press, also be provided with the structure that an essence is cut narrow limit and broadside.
3. punch device as claimed in claim 2 is characterized in that: described manipulator clamping device comprises disc cam, be installed on the inner camshaft of disc cam, with the interconnective push rod of disc cam, be used for disc cam and the interconnective camshaft bearing of push rod, be installed on upper bracket on the push rod, be installed on the push rod and lower carriage between upper bracket and disc cam, be installed on the push rod and be positioned at the connecting rod on upper bracket top, the turning cylinder that is movably connected on the conversion block on the connecting rod and is installed on conversion block inside.
4. punch device as claimed in claim 2; It is characterized in that: described detection system comprise main control box, blanking operation sensor, with the main traverse line that blanking operation sensor is connected, be connected in parallel in being used on the main traverse line detect each process product detection elasticity probe, be parallel on the main traverse line and finger feed that be positioned at a side that detects the elasticity probe detects microswitch, is parallel on the main traverse line and manipulator that be positioned at the opposite side that detects the elasticity probe detection microswitch of loosing one's grip; Described main control box comprises the stretch forming status indicator lamp of the central position that is arranged at main control box; Be arranged at the slider of punch position indicator on stretch forming status indicator lamp top; Be arranged at the manipulator front and back status indicator lamp of stretch forming status indicator lamp upside; Be arranged at the blanking operation indicator lamp of a side of stretch forming status indicator lamp; Be arranged at the manipulator left and right sides status indicator lamp of the opposite side of stretch forming status indicator lamp; Be arranged at the detection selector switch of stretch forming status indicator lamp bottom; Be arranged at the stopping signal switch that detects the selector switch bottom; Be arranged at the power switch button of stopping signal switch one side; Be arranged at the reset key of stopping signal switch opposite side.
5. punch device as claimed in claim 2; It is characterized in that: described material returning system comprises material returned stand, is fixed in the support plate on the material returned stand; Be installed on power transmission shaft and bolster on the support plate; Be fixed in material returned cam and sprocket wheel on the power transmission shaft; Be movably connected on the material returned arm on the bolster; Be movably connected on the material returning sleeve of material returned arm front end; Be installed on the material returned arm and with the contacted material returned Height Adjustment of material returned cam screw; Be fixed on the material returning sleeve limiting plate on the support plate, be installed on the extension spring between material returned arm rear end and the material returned stand.
6. punch device as claimed in claim 2; It is characterized in that: described transmission system comprises the punch press motor; The flywheel that is connected with the punch press motor; With the intermeshing first stud gear of flywheel; With the intermeshing second stud gear of first stud gear; The power output shaft that cooperatively interacts with second stud gear; The intermediate chain wheel that links to each other with the power output shaft upper sprocket wheel; The head sprocket that links to each other with intermediate chain wheel and main transmission box sprocket wheel that links to each other with head sprocket and material returning system sprocket wheel; Comprise fixed conveyor case sprocket wheel and the camshaft that therewith rotates in the described main transmission box; Be installed on the cylindrical cam on the camshaft; Be installed on the slide block and the cramp bar of the side-to-side movement of cylindrical cam top drive manipulator; Be installed on disc cam and the manipulator clamping device of top thereof on the camshaft, be installed on eccentric wheel and the drive work thereof on the camshaft and be fixed on the grease pump of transmission case bottom.
7. punch device as claimed in claim 2 is characterized in that: described manipulator comprises first base, be installed on the seat of honour on the first base top, be installed in the guide groove at the seat of honour and the 3rd slide block that slides before and after carrying out, be installed on the loam cake that is used to push down the 3rd slide block on the seat of honour, be installed on the inner stationary pipes of the seat of honour and first base, be installed on the first inner turning cylinder of stationary pipes, be installed on copper billet in the square hole of the 3rd slide block, be fixed in the fixture block of the 3rd slide block one end and rely on himself screw thread to be fixed on first turning cylinder and insert the interior fork of copper billet.
8. punch device as claimed in claim 2 is characterized in that: described manipulator comprises fixed bar; Be installed on the bearing block on fixed bar top; Be installed on the second inner slide block of fixed bar; Be installed on the inner lock-screw of second slide block; The adjustment screw that cooperatively interacts with lock-screw; Be installed on the spring of the inner other end of second slide block; Be installed in the square hole of second slide block and two ends respectively with spring with adjust the copper billet that screw contacts; Be installed on second turning cylinder and the interior fork of insertion copper billet; Be installed on the inner oiliness bearing of bearing block; Be installed on second inner turning cylinder of oiliness bearing and the fixture block that is fixed in second slide block, one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100741615A CN101293263B (en) | 2007-04-26 | 2007-04-26 | Processing method for multi-station automatic stretch and punch press employing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100741615A CN101293263B (en) | 2007-04-26 | 2007-04-26 | Processing method for multi-station automatic stretch and punch press employing the same |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102667574A Division CN101797616B (en) | 2007-04-26 | 2007-04-26 | Material returning system applicable in multi-station automatic stretching and punching device |
| CN200910266756XA Division CN101745914B (en) | 2007-04-26 | 2007-04-26 | Manipulator used in multi-station automatic drawing punch device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101293263A CN101293263A (en) | 2008-10-29 |
| CN101293263B true CN101293263B (en) | 2012-06-20 |
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| CN2007100741615A Expired - Fee Related CN101293263B (en) | 2007-04-26 | 2007-04-26 | Processing method for multi-station automatic stretch and punch press employing the same |
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