CN101474685B - Equipment for automatically processing vehicle steering universal-joint fork ear punch - Google Patents
Equipment for automatically processing vehicle steering universal-joint fork ear punch Download PDFInfo
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- CN101474685B CN101474685B CN 200910028402 CN200910028402A CN101474685B CN 101474685 B CN101474685 B CN 101474685B CN 200910028402 CN200910028402 CN 200910028402 CN 200910028402 A CN200910028402 A CN 200910028402A CN 101474685 B CN101474685 B CN 101474685B
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Abstract
The invention relates to an automatic processing equipment of universal joint fork ear hole for motor turning. The equipment comprises an engine seat (12), a directional order vibratory hopper (1), a grasping feeding device (2), a positioning clamping device (3), a knockout device (9) and a hole processing unit (10), wherein, the directional order vibrating hopper (1) comprises a spiral groove vibratory hopper (1-5), a base (1-3), a select materials bar (1-4), an out-feed channel (1-6) and a straight track slot (1-7); the grasping feeding device (2) comprises a soleplate (2-1), a upright post (2-10), a linear guide way (2-4), a stockless cylinder (2-5), a link block (2-8), a lifting cylinder (2-7), a gas claw (2-3) and a gas claw chuck (2-2); the positioning clamping device (3) comprises a horizontal clamping cylinder (3-5), a positioning core axle (3-3), a locating block (3-2), a clamp block (3-4) and a rotating clamping cylinder (3-1); the hole processing device (10) comprises a base (10-1), left-right drilling head and left-right U-drill (10-8); the knockout device (9) comprises a knockout cylinder (9-2) and a knockout plate (9-1). The whole processing of the invention is robotized completely and the invention saves manpower and materials, lowers the production cost and improves production quality and productivity.
Description
(1) technical field
The present invention relates to a kind of equipment for automatically processing vehicle steering universal-joint fork ear punch.Be mainly used in the processing of motor turning fork-shaped part earhole.Belong to the metal cutting equipment technical field.
(2) background technology
At present the similar fork-shaped part mode of processing has two kinds: a kind of prevailing be use vertical drill, the cooperation anchor clamps are processed; Another kind is with the processing of combination special plane.The former is a tactics of human sea, and production efficiency is low, and operative employee's labour intensity is big, difficult quality control.Latter's production efficiency is omited high but same Artificial Control, and quality be cannot say for sure to demonstrate,prove.
(3) summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, a kind of production efficiency height, little, the quality controllable equipment for automatically processing vehicle steering universal-joint fork ear punch of operative employee's labour intensity are provided.
The object of the present invention is achieved like this: a kind of equipment for automatically processing vehicle steering universal-joint fork ear punch, it is characterized in that described equipment comprises support, directed ordering vibrating bunker, grasp pay-off, positioning clamping device, filling device, hole processing device, rewinding case and Scrap-removing machine, described extracting pay-off, positioning clamping device, filling device, hole processing device and Scrap-removing machine are installed on the support, Scrap-removing machine passes in the middle of the support inner chamber, the rewinding case places support top discharge mouth side
Described directed ordering vibrating bunker is positioned at left side, support front portion, comprise helicla flute vibrating bunker, first base, the bar of selecting materials, blow tank, straight rail groove and limited block, described helicla flute vibrating bunker is arranged on first base, helicla flute vibrating bunker inner spiral groove top shape in the shape of a spiral is furnished with several bars of selecting materials, helicla flute vibrating bunker discharging opening docks with blow tank one end, the blow tank other end docks with straight rail groove one end, and limited block is arranged at the other end of straight rail groove
Described extracting pay-off is positioned at the support crown center, comprise base plate, column, line slideway, Rodless cylinder, contiguous block, lift cylinder, the gas pawl, gas pawl chuck and stop, base plate is fixedly connected in the middle of the support top, column has two, about each one, upwards be arranged at the right and left of base plate, Rodless cylinder and line slideway are parallel one on the other be connected in about between two columns, lift cylinder links to each other with the slide block of line slideway and the slide block of Rodless cylinder by contiguous block, the gas pawl links to each other with the piston rod of lift cylinder, and gas pawl chuck links to each other with the gas pawl, and stop has two, one the first from left right side is arranged at the two ends, the left and right sides of line slideway
Described positioning clamping device is installed on the base plate that grasps pay-off, and place the side of the line slideway that grasps pay-off, comprise that level clamps cylinder, positioning core axle, locating piece, cushion block, clamp and rotation clamp cylinder, level clamps cylinder, positioning core axle and locating piece all are fixedly mounted on the base plate that grasps pay-off with cushion block from left to right, clamp links to each other with the piston rod that level clamps cylinder, rotation clamping cylinder and horizontal clamping cylinder are at 45 to be installed on the base plate that grasps pay-off face-to-face, and place the side of positioning core axle, axial line and the vertical range between the positioning core axle that rotation clamps cylinder equal to rotate the radius of turn that clamps cylinder
Described hole processing device is positioned at the support top, and place the left and right sides of described positioning clamping device, comprise second base, about two drilling heads and about two U bore, described second base is installed in the support top, about two drilling heads upwards be installed on second base, two drilling heads are symmetrically arranged in the left and right sides of the positioning core axle of described positioning clamping device, contour with positioning core axle, and the center is on same axial line, described each drilling head comprises main shaft, main spindle box, motor, belt and belt pulley, flow speed control valve, collision block, the stroke collision block, home switch and limit switches, main shaft places in the main spindle box, main spindle box is installed on second base, motor is positioned at the main spindle box top, main shaft links to each other with motor by belt and belt pulley, and U bores and is connected in the centre bore of front-end of spindle, and flow speed control valve and collision block are installed in main spindle box one side, stroke collision block and home switch and limit switches are installed in the main spindle box opposite side
Described filling device comprises dnockout cylinder and knockout plate, the dnockout cylinder is installed on the base plate that grasps pay-off, and place the locating piece rear side of positioning clamping device, and clamping cylinder with the level of positioning clamping device and be on the same straight line, knockout plate is connected on the pressing plate of dnockout cylinder.
The present invention adopts machine to control automatically, has solved the difficult problem of the directed ordering of different shape fork-shaped part, self-feeding, automated exchanged cutter.The whole automations of the whole process of present device, if the workman when going to work the workpiece hopper of packing into, hand over the workpiece that processes in the rewinding case storehouse to get final product during next class, human and material resources have been saved, reduced production cost, product quality has improved greatly, and efficient has also increased several times.Being fit to the automated production of auto parts and components producer uses.
(4) description of drawings
Fig. 1 is the perspective view of equipment for automatically processing vehicle steering universal-joint fork ear punch of the present invention.
Fig. 2 is the A enlarged drawing of Fig. 1.
Fig. 3 is the B enlarged drawing of Fig. 1.
Fig. 4 is the Facad structure schematic diagram of Fig. 1.
Fig. 5 is the left side view of Fig. 1.
Fig. 6 is the right side view of Fig. 1.
Fig. 7 is the vertical view of Fig. 1.
Fig. 8 is the C-C cut-away view of Fig. 4.
Fig. 9 is a directed ordering vibrating bunker perspective view of the present invention.
Figure 10 is a directed ordering vibrating bunker internal structure schematic diagram of the present invention.
Figure 11 is an extracting pay-off Facad structure schematic diagram of the present invention.
Figure 12 is the side view of Figure 11.
Figure 13 is a positioning clamping device perspective view of the present invention.
Figure 14 is the vertical view of Figure 13.
Figure 15 is the side view of Figure 14.
Figure 16 is the hole processing device perspective view of invention.
Figure 17 is a filling device perspective view of the present invention.
Figure 18 is the vertical view of Figure 17.
Figure 19 is the side view of Figure 18.
Among the figure: directed ordering vibrating bunker 1, extracting pay-off 2, positioning clamping device 3, pneumatic system 4, hydraulic system 5, electric-control system 6, cooling device 7, bits blower 8, filling device 9, hole processing device 10, rewinding case 11, support 12, Scrap-removing machine 13, workpiece 14; Bearing 1-1, damping block 1-2, the first base 1-3, the bar 1-4 that selects materials, helicla flute vibrating bunker 1-5, blow tank 1-6, straight rail groove 1-7, limited block 1-8, controller 1-9, electromagnet 1-10, armature 1-11, outer cover 1-12, top bottom-disc 1-13, fixed handle 1-14, spring plate group 1-15; Base plate 2-1, chuck 2-2, gas pawl 2-3, line slideway 2-4, Rodless cylinder 2-5, magnetic switch 2-6, lift cylinder 2-7, contiguous block 2-8, stop 2-9, column 2-10; Rotation clamps cylinder 3-1, locating piece 3-2, positioning core axle 3-3, clamp 3-4, level clamping cylinder 3-5, cushion block 3-6, compact heap 3-7; Coolant pump 7-1; Knockout plate 9-1, dnockout cylinder 9-2; The second base 10-1, collision block 10-2, flow speed control valve 10-3, main spindle box 10-4, belt and belt pulley 10-5, motor 10-6, main shaft 10-7, U bore 10-8, stroke collision block 10-9, limit switches 10-10, home switch 10-11.
(5) specific embodiment
Referring to Fig. 1~7, the equipment for automatically processing vehicle steering universal-joint fork ear punch that the present invention relates to mainly is made up of orientation ordering vibrating bunker 1, extracting pay-off 2, positioning clamping device 3, pneumatic system 4, hydraulic system 5, electric-control system 6, cooling device 7, bits blower 8, filling device 9, hole processing device 10, rewinding case 11, support 12 and Scrap-removing machine 13.Described support 12 is the main carriers of process equipment, grasps pay-off 2, positioning clamping device 3, pneumatic system 4, cooling device 7, bits blower 8, filling device 9, hole processing device 10 and Scrap-removing machine 13 and is installed on it.The coolant pump 7-1 of cooling device 7 places support 12 inside.Support 12 inner chambers are tank for coolant.Scrap-removing machine 13 passes in the middle of support 12 inner chambers, both iron filings has been collected and has been discharged, and cooling fluid can be recycled in support 12 tank for coolants again.Rewinding case 11 places support 12 sides.
Referring to Fig. 1 and Fig. 9, described orientation ordering vibrating bunker 1 is positioned at support 12 anterior left sides, and its work purpose is by vibrating unordered workpiece, align in order automatically neatly, accurately being transported to the next procedure position.It mainly is made up of helicla flute vibrating bunker 1-5, the first base 1-3, damping block 1-2, bearing 1-1, the bar 1-4 that selects materials, blow tank 1-6, straight rail groove 1-7 and limited block 1-8.Described helicla flute vibrating bunker 1-5 is arranged on the first base 1-3, and damping block 1-2 is arranged at first base 1-3 bottom, and damping block 1-2 places on the bearing 1-1.Described helicla flute vibrating bunker 1-5 inner spiral groove top shape in the shape of a spiral is furnished with several bar 1-4 that selects materials, helicla flute vibrating bunker 1-5 discharging opening docks with blow tank 1-6 one end, the blow tank 1-6 other end docks with straight rail groove 1-7 one end, and limited block 1-8 is arranged at the other end of straight rail groove 1-7.
Referring to Figure 10, the described first base 1-3 top is provided with a top bottom-disc 1-13, helicla flute vibrating bunker 1-5 links to each other with top bottom-disc 1-13 by fixed handle 1-14, top bottom-disc 1-13 bottom is equipped with an armature 1-11, one electromagnet 1-10 is installed in the first base 1-3, top bottom-disc 1-13 links to each other with the end of a tilting spring plate group 1-15, and the other end of this spring plate group 1-15 links to each other with the first base 1-3.The oblique installation of spring plate group 1-15, give impulse mgnet 1-10 energising, electromagnet 1-10 links to each other with a controller 1-9, adjustment control 1-9, under the driving of pulsation electromagnetic force, helicla flute vibrating bunker 1-5 directional vibration, because spring plate group 1-15 tilts to install, make helicla flute vibrating bunker 1-5 rock vibration around its axle center, again because helicla flute vibrating bunker 1-5 is a spiral groove type, selection by the bar 1-4 that selects materials, the workpiece that does not meet the requirements stopped enter in the helicla flute vibrating bunker 1-5, workpiece promptly rises along the helicla flute track in hopper, and workpiece is attitude of all kinds in the process of climbing, and the workpiece that meets the requirements continues to climb, enter blow tank 1-6 until the discharging opening of delivering to the helicla flute vibrating bunker, go out blow tank 1-6 and enter straight rail groove 1-7 again, touch limited block 1-8 at last, finish directed ordering and arrive next crawl position.
Referring to Fig. 3, Fig. 8, Figure 11 and Figure 12, described extracting pay-off 2 is positioned at support 12 crown centers, mainly is made up of base plate 2-1, column 2-10, line slideway 2-4, Rodless cylinder 2-5, contiguous block 2-8, lift cylinder 2-7, gas pawl 2-3, gas pawl chuck 2-2, stop 2-9 and magnetic switch 2-6.Described base plate 2-1 is fixedly connected in the middle of support 12 tops, column 2-10 has two, about each one, upwards be arranged at the right and left of base plate 2-1, Rodless cylinder 2-5 and line slideway 2-4 are parallel one on the other be connected in about between the two column 2-10, lift cylinder 2-7 links to each other with the slide block of line slideway 2-4 and the slide block of Rodless cylinder 2-5 by contiguous block 2-8, gas pawl 2-3 links to each other with the piston rod of lift cylinder 2-7, gas pawl chuck 2-2 links to each other with gas pawl 2-3, stop 2-9 has two, one the first from left right side is arranged at the two ends, the left and right sides of line slideway 2-4, and the control stockless cylinder slipper moves initial point, but terminal point transfer position.Magnetic switch 2-6 is installed on the lift cylinder 2-7, the action of control cylinder.Lift cylinder is displaced downwardly to workpiece 14 during work, 2-2 clamps workpiece 14 by gas pawl chuck, mention by lift cylinder, drive by Rodless cylinder again lift cylinder is moved to the other end by an end of line slideway, the magnetic switch sender stops after running into stop, lift cylinder descends and puts in place, and the gas pawl unclamps workpiece is placed on the positioning core axle of following positioning clamping device, finishes and grasps the feeding action.
Referring to Figure 13,14,15, described positioning clamping device 3 is installed on the base plate 2-1 that grasps pay-off 2, and place the side of the line slideway 2-4 that grasps pay-off 2, mainly clamp cylinder 3-5, positioning core axle 3-3, locating piece 3-2, cushion block 3-6, clamp 3-4 and rotation and clamp cylinder 3-1 and form by level.Level clamps cylinder 3-5, positioning core axle 3-3 and locating piece 3-2 all is fixedly mounted on the base plate 2-1 that grasps pay-off 2 with cushion block 3-6 from left to right, the coolant nozzle 7-2 that blows bits nozzle 8-1 and cooling device 7 of bits blower 8 also is installed on the cushion block 3-6, about each one.Clamp 3-4 links to each other with the piston rod that level clamps cylinder 3-5, rotation clamps cylinder 3-1 and horizontal clamping cylinder edged surface at 45 opposite is installed on the base plate 2-1 that grasps pay-off 2, and the radius of turn that places axial line that the side of positioning core axle 3-3, rotation clamp cylinder 3-1 and the vertical range between the positioning core axle 3-3 to equal to rotate clamping cylinder 3-1.The gas pawl is placed on workpiece on the positioning core axle 3-3 during work, guarantee accurate positioning, at this moment, the knockout plate 9-1 of following filling device lies in a horizontal plane in the workpiece below, see Figure 19), level clamps cylinder 3-5 action reach then, drives clamp workpiece pressing from the side, and the rotary cylinder half-twist is finished whole location clamping process from top by compact heap 3-7 workpiece pressing subsequently.
Referring to Figure 16, described hole processing device 10 is positioned at support 12 tops, and places the left and right sides of described positioning clamping device 3, it by the second base 10-1, about two drilling heads and about two U bore 10-8 and form.The described second base 10-1 is installed in support 12 tops, about two drilling heads upwards be installed on the second base 10-1, two drilling heads are symmetrically arranged in the left and right sides of the positioning core axle 3-3 of described positioning clamping device 3,3-3 is contour with positioning core axle, and the center is on same axial line, and described each drilling head is made up of main shaft 10-7, main spindle box 10-4, motor 10-6, belt and belt pulley 10-5, flow speed control valve 10-3, collision block 10-2, stroke collision block 10-9, home switch 10-11 and limit switches 10-10 again.Main shaft 10-7 places in the main spindle box 10-4, and main spindle box 10-4 is installed on the second base 10-1, and motor 10-6 is positioned at main spindle box 10-4 top, supports with regulating bolt.Main shaft 10-7 links to each other with motor 10-6 by belt and belt pulley 10-5, and U bores 10-8 and is connected in the centre bore of main shaft 10-7 front end by the tensioner cover.Flow speed control valve 10-3 and collision block 10-2 are installed in main spindle box 10-4 one side, and stroke collision block 10-9 and home switch 10-11 and limit switches 10-10 are installed in main spindle box 10-4 opposite side.After work piece positioning was tight, main shaft rotated feeding on one side under the driving of motor and hydraulic system 5, main shaft F.F. during beginning, and while cooling device 7 is opened, and cooling fluid sprays from nozzle, and when collision block was depressed flow speed control valve, main shaft began the worker and advances; U bores the beginning cutwork subsequently, and when the stroke collision block knocked limit switches, cutting finished, and main shaft is return fast, and main shaft stops when the stroke collision block knocks home switch, and cooling device is closed, and clamping system is opened, and finishes the hole cutting process.
Referring to Figure 17~19, described filling device 9 mainly is made up of dnockout cylinder 9-2 and knockout plate 9-1.Dnockout cylinder 9-2 is installed on the base plate 2-1 that grasps pay-off 2, and places the locating piece 3-2 rear side of positioning clamping device 3, clamps cylinder with the level of positioning clamping device 3 and is on the same straight line, and knockout plate 9-1 is connected on the pressing plate of dnockout cylinder 9-2.Bits blower 8 is linked to each other with air valve by blow-out nozzle, workpiece is processed finish after, give the pneumatic system magnetic valve by the electric-control system sender, rotation clamps cylinder, level clamps cylinder and unclamps, dnockout air cylinder driven knockout plate is squeezed into rewinding case 11 with workpiece by the discharging opening 12-1 on the support, dnockout work is finished in the knockout plate reposition.Bits blower is opened compressed air simultaneously, the iron filings on the locating piece is blown clean, for next circulation is got ready.The whole circulation process finishes.Again from next workpiece.
Claims (5)
1. equipment for automatically processing vehicle steering universal-joint fork ear punch, it is characterized in that described equipment comprises support (12), directed ordering vibrating bunker (1), grasp pay-off (2), positioning clamping device (3), filling device (9), hole processing device (10), rewinding case (11) and Scrap-removing machine (13), described extracting pay-off (2), positioning clamping device (3), filling device (9), hole processing device (10) and Scrap-removing machine (13) are installed on the support (12), Scrap-removing machine (13) passes in the middle of support (12) inner chamber, rewinding case (11) places support (12) top discharge mouth (12.1) side
Described directed ordering vibrating bunker (1) is positioned at the anterior left side of support (12), comprise helicla flute vibrating bunker (1-5), first base (1-3), the bar (1-4) of selecting materials, blow tank (1-6), straight rail groove (1-7) and limited block (1-8), described helicla flute vibrating bunker (1-5) is arranged on first base (1-3), helicla flute vibrating bunker (1-5) inner spiral groove top shape in the shape of a spiral is furnished with several bars of selecting materials (1-4), helicla flute vibrating bunker (1-5) discharging opening docks with blow tank (1-6) end, blow tank (1-6) other end docks with straight rail groove (1-7) end, limited block (1-8) is arranged at the other end of straight rail groove (1-7)
Described extracting pay-off (2) is positioned at support (12) crown center, comprise base plate (2-1), column (2-10), line slideway (2-4), Rodless cylinder (2-5), contiguous block (2-8), lift cylinder (2-7), gas pawl (2-3), gas pawl chuck (2-2) and stop (2-9), base plate (2-1) is fixedly connected in the middle of support (12) top, column (2-10) has two, about each one, upwards be arranged at the right and left of base plate (2-1), Rodless cylinder (2-5) and line slideway (2-4) is parallel one on the other be connected in about between two columns (2-10), lift cylinder (2-7) links to each other with the slide block of line slideway (2-4) and the slide block of Rodless cylinder (2-5) by contiguous block (2-8), gas pawl (2-3) links to each other with the piston rod of lift cylinder (2-7), gas pawl chuck (2-2) links to each other with gas pawl (2-3), stop (2-9) has two, one the first from left right side is arranged at the two ends, the left and right sides of line slideway (2-4)
Described positioning clamping device (3) is installed on the base plate (2-1) that grasps pay-off (2), and place the side of the line slideway (2-4) that grasps pay-off (2), comprise that level clamps cylinder (3-5), positioning core axle (3-3), locating piece (3-2), cushion block (3-6), clamp (3-4) and rotation clamp cylinder (3-1), level clamps cylinder (3-5), positioning core axle (3-3) and locating piece (3-2) all use cushion block (3-6) to be fixedly mounted on the base plate (2-1) that grasps pay-off (2) from left to right, clamp (3-4) links to each other with the piston rod that level clamps cylinder (3-5), rotation clamps cylinder (3-1) and is installed in face-to-face on the base plate (2-1) that grasps pay-off (2) with horizontal clamping cylinder is at 45, and place the side of positioning core axle (3-3), axial line and the vertical range between the positioning core axle (3-3) that rotation clamps cylinder (3-1) equal the radius of turn that rotation clamps cylinder (3-1)
Described hole processing device (10) is positioned at support (12) top, and place the left and right sides of described positioning clamping device (3), comprise second base (10-1), about two drilling heads and about two U bore (10-8), described second base (10-1) is installed in support (12) top, about two drilling heads upwards be installed on second base (10-1), two drilling heads are symmetrically arranged in the left and right sides of the positioning core axle of described positioning clamping device (3) (3-3), (3-3) is contour with positioning core axle, and the center is on same axial line, described each drilling head comprises main shaft (10-7), main spindle box (10-4), motor (10-6), belt and belt pulley (10-5), flow speed control valve (10-3), collision block (10-2), stroke collision block (10-9), home switch (10-11) and limit switches (10-10), main shaft (10-7) places in the main spindle box (10-4), main spindle box (10-4) is installed on second base (10-1), motor (10-6) is positioned at main spindle box (10-4) top, main shaft (10-7) links to each other with motor (10-6) by belt and belt pulley (10-5), U bores (10-8) and is connected in the centre bore of main shaft (10-7) front end, flow speed control valve (10-3) and collision block (10-2) are installed in main spindle box (10-4) side, stroke collision block (10-9) and home switch (10-11) and limit switches (10-10) are installed in main spindle box (10-4) opposite side
Described filling device (9) comprises dnockout cylinder (9-2) and knockout plate (9-1), dnockout cylinder (9-2) is installed on the base plate (2-1) that grasps pay-off (2), and place locating piece (3-2) rear side of positioning clamping device (3), be on the same straight line with the level clamping cylinder of positioning clamping device (3), knockout plate (9-1) is connected on the pressing plate of dnockout cylinder (9-2).
2. a kind of equipment for automatically processing vehicle steering universal-joint fork ear punch according to claim 1, it is characterized in that the last returning apparatus of described support (12) has pneumatic system (4), cooling device (7) and bits blower (8), the bits nozzles (8-1) that blow of the coolant nozzle (7-2) of cooling device (7) and bits blower (8) are installed on the cushion block (3-6) of described positioning clamping device (3), the coolant pump (7-1) of cooling device (7) places support (12) inside, and support (12) inner chamber is tank for coolant.
3. a kind of equipment for automatically processing vehicle steering universal-joint fork ear punch according to claim 1, it is characterized in that described directed ordering vibrating bunker (1) also includes damping block (1-2) and bearing (1-1), damping block (1-2) is arranged at first base (1-3) bottom, and damping block (1-2) places on the bearing (1-1).
4. a kind of equipment for automatically processing vehicle steering universal-joint fork ear punch according to claim 3, it is characterized in that described first base (1-3) top is provided with a top bottom-disc (1-13), described helicla flute vibrating bunker (1-5) links to each other with top bottom-disc (1-13) by fixed handle (1-14), top bottom-disc (1-13) bottom is equipped with an armature (1-11), one electromagnet (1-10) is installed in first base (1-3), top bottom-disc (1-13) links to each other with an end of a tilting spring plate group (1-15), the other end of this spring plate group (1-15) links to each other with first base (1-3), and electromagnet (1-10) links to each other with a controller (1-9).
5. a kind of equipment for automatically processing vehicle steering universal-joint fork ear punch according to claim 1 is characterized in that being equipped with on the described lift cylinder (2-7) magnetic switch (2-6).
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CN 200910028402 CN101474685B (en) | 2009-01-16 | 2009-01-16 | Equipment for automatically processing vehicle steering universal-joint fork ear punch |
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CN 200910028402 CN101474685B (en) | 2009-01-16 | 2009-01-16 | Equipment for automatically processing vehicle steering universal-joint fork ear punch |
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2009
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