CN103157822B - Automatic punching machine - Google Patents
Automatic punching machine Download PDFInfo
- Publication number
- CN103157822B CN103157822B CN201310072524.7A CN201310072524A CN103157822B CN 103157822 B CN103157822 B CN 103157822B CN 201310072524 A CN201310072524 A CN 201310072524A CN 103157822 B CN103157822 B CN 103157822B
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- pusher
- oil cylinder
- gripper shoe
- hopper
- cylinder
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Abstract
The invention relates to an automatic punching machine. A clamping mechanism opposite to a drilling cutting tool is placed on a work platform. The clamping mechanism comprises a support platform, a lower die device, a baffle, a guide column, a support plate, a pressing support platform, an upper die and a pressing oil cylinder. The lower surface of the support platform is fixed on the work platform, the lower die device is fixed on the upper surface of the support platform, the baffle is fixed on the upper surface of the support platform and is located on one side of the lower die device, and the baffle is provided with a through hole through which a workpiece to be machined penetrates. One end of the guide column is connected with the support platform, and the other end of the guide column is connected with the support plate. The pressing support platform is in sliding fit with the guide column. The upper die is connected with the lower portion of the pressing support platform, the upper portion of the pressing support platform is connected with the pressing oil cylinder which is fixed on the support plate, and both the lower die device and the upper die are provided with two material grooves for assembling the workpiece. By means of the automatic punching machine, two wirkpieces with the same axle can be automatically punched at the same time. The automatic punching machine has the advantages of being high in degree of automation, and improving product quality and production efficiency.
Description
Technical field
The present invention relates to Machining Technology for Cutting field, be specifically related to a kind of automatic punch.
Background technology
Puncher refers to the mode utilizing harder than object, sharper keen instrument by rotary cutting or rotary squeezing, and machinery and equipment that object stays cylindrical hole or hole are referred to as.Also have and be called rig, puncher, perforator, through-hole machine etc.By holing to precise part, get a desired effect.
At present when carrying out punching drilling to more than one piece shaft-like work simultaneously, the general drilling machine single shaft list drill bit that adopts is processed, and not only production efficiency is low, labor strength large for this mode of production, and owing to adopting artificial feeding, there is potential safety hazard.
Summary of the invention
For above-mentioned technical problem, the invention provides a kind of automatic punch, the present invention can carry out automatic Double Punch to two same axis workpiece simultaneously, have automaticity high, improve product quality and production efficiency, reduce the advantage of labor strength and handling safety.
A kind of automatic punch, workbench is provided with drive unit, and drive unit is connected with a power distributor with two synchronous output ends, and each output of power distributor is connected with drilling tool, also be provided with the clamp system relative with drilling tool on the table, this clamp system comprises brace table, lower mold apparatus, baffle plate, guide pillar, gripper shoe, binder brace table, patrix and compressed oil cylinder, the lower surface of brace table is fixing on the table, lower mold apparatus is fixed on the upper surface of brace table, the upper surface that baffle plate is fixed on brace table is positioned at the side of lower mold apparatus, baffle plate is provided with the through hole passed for workpiece to be machined, one end of guide pillar is connected with brace table, the other end of guide pillar is connected with gripper shoe, binder brace table and guide pillar are slidably matched, described patrix is connected with the bottom of binder brace table, the top of binder brace table is connected with fixing compressed oil cylinder on the supporting plate, described lower mold apparatus and patrix are equipped with the hopper that two are assembled workpiece.
Further, described automatic punch also comprises the pusher be sent to by workpiece to be machined in lower mold apparatus hopper, and feed mechanism workpiece to be machined is sent in pusher guiding hopper, pusher and feed mechanism are all fixing on the table, described clamp system is between drilling tool and pusher, and feed mechanism is positioned at the below of pusher.
Further, described pusher comprises charging ram, linear actuator, pusher gripper shoe and fixing guiding bin on the table, one end of charging ram is connected with linear actuator, described guiding bin is provided with guiding hopper, the other end of charging ram extend in the guiding hopper of guiding bin, linear actuator is fixed in pusher gripper shoe, and pusher gripper shoe is fixing on the table.
Further, described pusher also comprises scraping wings, guide pin bushing and guide rod, and scraping wings is connected with the output of linear actuator, and one end of guide rod is connected with scraping wings, and described pusher gripper shoe is provided with pilot hole, and the other end of guide rod is through this pilot hole.
Further, described feed mechanism comprises material oil cylinder, upper material oil cylinder gripper shoe, die pad, hopper and sliding plate, upper material oil cylinder is fixed in material oil cylinder gripper shoe, the piston rod of upper material oil cylinder is connected with one end of die pad, the other end of die pad extend in hopper, one end of described sliding plate is connected with the discharging opening of hopper, and the other end of sliding plate extends to above the guiding hopper oral area of pusher.
Further; described automatic punch also comprises setting shift cylinder on the table, discharging oil cylinder and discharging sliding plate; described lower mold apparatus comprises supporting guide and counterdie; counterdie is slidably fitted on supporting guide; the piston rod of shift cylinder is connected with counterdie; the piston rod of described discharging oil cylinder is connected with two push rods, the other end of push rod is corresponding with the charging aperture of discharging sliding plate.
Further, described drive unit comprises motor, drive, driving-belt, rotating shaft, actuator cylinder, the output of described motor is connected by driving-belt with drive, one end of rotating shaft is connected with drive, piston and the first piston bar of described actuator cylinder are equipped with through hole, the first piston bar of actuator cylinder is connected with described power distributor, after the other end of described rotating shaft passes from the piston of actuator cylinder and first piston bar successively, and passes through spline fitted between power distributor.
Further, described drive unit also comprises limiting plate and the air spring corresponding with limiting plate, described actuator cylinder also comprises the second piston rod, this second piston rod is also provided with through hole, rotating shaft is passed from the second piston rod, piston and first piston bar successively, described limiting plate is fixed on the second piston rod, and described air spring is fixed on the cylinder body of actuator cylinder.
Further, described limiting plate connects a gripper shoe, this gripper shoe is provided with punching amount of feeding optoelectronic switch and reset optoelectronic switch.
Further, power distributor comprises housing, main shaft, driving gear, the first driven gear, the first output shaft, the second driven gear and the second output shaft, main shaft by bearings in housing, one end of main shaft is provided with the spline coordinated with rotating shaft, the other end of main shaft is fixedly connected with driving gear, driving gear engages with the first driven gear and the second driven gear respectively, first driven gear is supported in housing by the first output shaft, and the second driven gear is supported in housing by the second output shaft.
Have employed such scheme, motor drives rotating shaft to rotate by driving-belt and drive, by power distributor, the rotary motion identical with rotating speed of two rotation directions is resolved in the rotary motion of rotating shaft, exported by two output shafts, output shaft installs drill bit, double-head drilling function can be realized, output shaft motion is promoted by actuator cylinder, the speed of output shaft feeding is adjusted by the air spring be arranged on unit head, two hole machined terminate rear unit head and move on to next station by unit head shift cylinder, then process another 2 holes simultaneously.
In addition, workpiece to be machined identical for two pieces to be shifted onto in the V-type hopper on counterdie by feeding device that the present invention is installed by both sides symmetry automatically, is positioned workpiece by the hopper of V-type, ensures the positioning precision of workpiece to be machined; Spring and the adjustable thrust adjusting workpiece of compressed oil cylinder stroke in clamp system; In baffle plate, assembling drill bushing ensures the accuracy of bit bore location; Power set assemble air spring to adjust drill bit feed speed; Automatic blanking is realized by discharging oil cylinder and tilting slide plate; The advantages such as this equipment has automatic operation, accurate positioning, production efficiency is high, quality is good.
In sum, the present invention, by drive unit, power distributor, clamp system, pusher and feed mechanism, once can complete the Drilling operation of 2 shaft-like works, have the advantages such as production efficiency is high, handling safety, good product quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of automatic punch of the present invention;
Fig. 2 is the sectional view along A-A line in Fig. 1;
Fig. 3 is the top view of Fig. 1;
1 is shift cylinder, 2 is drilling tool, 3 is housing, 4 is the first output shaft, 5 is the second output shaft, 7 is discharging oil cylinder, 8 is actuator cylinder, 8a is first piston bar, 8b is the second piston rod, 9 is gripper shoe, 9a is amount of feeding optoelectronic switch, 9b is reset optoelectronic switch, 10 is push rod, 11 is workbench, 12 is drive, 13 is driving-belt, 14 is motor, 15 is limiting plate, 16 is air spring, 17 is rotating shaft, 18 is compressed oil cylinder, 19 is gripper shoe, 20 is drill bushing, 21 is baffle plate, 22 is supporting guide, 23 is counterdie, 24 is brace table, 25 is guide pillar, 26 is guiding bin, 27 is charging ram, 30 is scraping wings, 31 is guide pin bushing, 32 is guide rod, 33 is linear actuator, 34 is pusher gripper shoe, 35 is discharging sliding plate, 36 is sliding plate, 37 is hopper, 38 is bearing diagonal plate, 39 is hopper support plate, 40 is die pad, 41 is upper material oil cylinder gripper shoe, 42 is upper material oil cylinder, 43 is binder brace table, 44 is spring, 45 is patrix.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, automatic punch of the present invention, is made up of drive unit, power distributor, clamp system, pusher and feed mechanism, is described in detail respectively below to the structure of every part:
Drive unit is arranged on workbench 11, and drive unit is connected with a power distributor with two synchronous output ends, and each output of power distributor is connected with drilling tool 2.Described drive unit comprises motor 14, drive 12, driving-belt 13, rotating shaft 17, actuator cylinder 8, limiting plate 15 and the air spring 16 corresponding with limiting plate.The output of described motor 14 is connected by driving-belt 13 with drive 12, and one end of rotating shaft 17 is connected with drive 12.Piston and the first piston bar 8a of described actuator cylinder 8 are equipped with through hole, the first piston bar 8a of actuator cylinder 8 is connected with described power distributor, after the other end of described rotating shaft 17 passes from the piston of actuator cylinder and first piston bar successively, and pass through spline fitted between power distributor.Described actuator cylinder 8 also comprises the second piston rod 8b, this second piston rod 8b is also provided with through hole, rotating shaft 17 is passed from the second piston rod 8b, piston and first piston bar 8a successively, and described limiting plate 15 is fixed on the second piston rod 8b, and described air spring 16 is fixed on the cylinder body of actuator cylinder.Coordinated with limiting plate by described spring, the axial feed velocity of oil cylinder can be controlled, and then determine the feed speed of drilling tool 2.Described limiting plate connects a gripper shoe 9, and this gripper shoe is provided with punching amount of feeding optoelectronic switch 9a and reset optoelectronic switch 9b.
The work work process of this part is: after motor 14 starts, the power of rotation is passed to rotating shaft 17 by driving-belt 13, drive 12 successively, rotating shaft 17 is driven to rotate, because rotating shaft 17 and power distributor pass through spline fitted, therefore, drive the main axis of power distributor, and then band is automatically connected in drilling tool 2 high-speed rotation of each output of power distributor, carries out machining to workpiece.The process of axial feed is: pressure oil enters the oil pocket at the second piston rod place, and the piston of actuator cylinder 8, under the effect of pressure oil, makes piston rod move axially to workpiece to be machined direction, thus drives power distributor to the feeding of workpiece direction.In feeding process, limiting plate 15 contacts with air spring, limiting plate is by the opposition of air spring, and this opposition is applied on the second piston rod, thus restriction is formed to the axial feed velocity of piston rod, coordinating therefore by limiting plate and air spring controls axial feed velocity.The amount of axial feed is controlled by the amount of feeding optoelectronic switch 9a be arranged in gripper shoe 9.Reseting procedure is: after axial feeding arrives, the oil pocket oil-feed of the first piston bar of actuator cylinder, make piston rod drive power distributor to exit from the hole of workpiece to be machined, when reset optoelectronic switch 9b detects arrival reset position, then continue new round process.
Power distributor comprises housing 3, main shaft, driving gear, the first driven gear, the first output shaft 4, second driven gear and the second output shaft 5.One end of housing 3 is connected with the first piston bar 8a of actuator cylinder, main shaft by bearings in housing, one end of main shaft is provided with the spline coordinated with rotating shaft 17, one end of main shaft and rotating shaft spline fitted is provided with hole, the internal face in this hole is provided with spline, and the periphery of rotating shaft 17 axle is provided with spline, thus main shaft is coordinated by spline with rotating shaft.The other end of main shaft is fixedly connected with driving gear, and driving gear engages with the first driven gear and the second driven gear respectively, and the first driven gear is supported in housing by the first output shaft 4, and the second driven gear is supported in housing by the second output shaft 5.The course of work of this part is: when rotating shaft 17 by rotate power transmission to main shaft time, main axis drives driving gear to rotate, driving gear drives the first gear and the second pinion rotation that are engaged with, thus the first output shaft 4 and the second output shaft 5 are rotated, and then the drilling tool 2 be automatically connected on respective output shaft is with to rotate respectively.
Clamp system is arranged on the table and relative with drilling tool 2.This clamp system comprises brace table 24, lower mold apparatus, baffle plate 21, guide pillar 25, gripper shoe 19, binder brace table 43, patrix 45, compressed oil cylinder 18, shift cylinder 1, discharging oil cylinder 7 and discharging sliding plate 35.The lower surface of brace table 24 is fixing on the table, and lower mold apparatus is fixed on the upper surface of brace table 24.The upper surface that baffle plate 21 is fixed on brace table is positioned at the side of lower mold apparatus, and baffle plate 21 is provided with the through hole passed for workpiece to be machined, and the drill bushing 20 led to drilling tool 2 is housed in this through hole.One end of guide pillar 25 is connected with brace table 24, the other end of guide pillar is connected with gripper shoe 19, binder brace table 43 and guide pillar are slidably matched, and described patrix 45 is connected with the bottom of binder brace table 43, and binder brace table 43 is provided with cavity, the corresponding stepped hole in bottom of this cavity, one end of patrix 45 passes from stepped hole, and the other end of patrix 45 is spacing by the step of stepped hole, is provided with spring 44 in cavity, one end of spring 44 is spacing by binder brace table 43, and the other end is spacing by patrix.The top of binder brace table 43 is connected with the compressed oil cylinder 18 be fixed in gripper shoe 19.Described lower mold apparatus and patrix are equipped with the hopper of two assembling workpiece, the hopper on lower mold apparatus and patrix is all V-shaped.Described lower mold apparatus comprises supporting guide 22 and counterdie 23, counterdie 23 is slidably fitted on supporting guide 22, the piston rod of shift cylinder 1 is connected with counterdie 23, the piston rod of described discharging oil cylinder 7 is connected with two push rods 10, and the other end of push rod is corresponding with the charging aperture of discharging sliding plate 35.
The course of work of this part is: be placed into when workpiece after in two V-type hoppers on counterdie 23, power imposes on binder brace table 43 by compressed oil cylinder 18, binder brace table 43 drives patrix 45 to the motion of workpiece to be machined direction, thus workpiece to be machined is clamped between patrix 45 and counterdie 23.When after workpiece to be machined process finishing, compressed oil cylinder 18 drives patrix 45 to reset, remove the clamping to workpiece, at this moment the thrust of the applying of shift cylinder 1 is passed through on counterdie 23, counterdie moves along supporting guide 22, when workpiece is corresponding with the push rod 10 that discharging oil cylinder 7 connects, shift cylinder 1 stops applied thrust, at this moment, discharging oil cylinder 7 action drives push rod 10 to move, thus the workpiece pushed on counterdie 23, make workpiece movable in discharging slide plate 35, be rolled to workpiece along discharging slide plate 35 and collect in frame.
Pusher is sent to by workpiece to be machined in lower mold apparatus hopper, and pusher is fixing on the table, and described clamp system is between drilling tool 2 and pusher.Described pusher comprises charging ram 27, linear actuator 33, pusher gripper shoe 34 and fixing guiding bin 26 on the table, and scraping wings 30, guide pin bushing 31 and guide rod 32.One end of charging ram 27 is connected with linear actuator 33, linear actuator 33 is oil cylinder, charging ram 27 is connected with linear actuator 33 by scraping wings 30, on charging ram 27, cover has spring 28, one end of this spring 28 and charging ram against, the other end and scraping wings 30 against, charging ram is locked on scraping wings 30 by locking nut.Can be convenient to connect two charging rams 27 by scraping wings simultaneously.Described guiding bin is provided with guiding hopper, and the other end of charging ram 27 extend in the guiding hopper of guiding bin 26.Linear actuator 33 is fixed in pusher gripper shoe 34, and pusher gripper shoe 34 is fixed on workbench 11.One end of guide rod 32 is connected with scraping wings 30, and described pusher gripper shoe 34 is provided with pilot hole, and the other end of guide rod 32 is through this pilot hole.Be provided with guide pin bushing 31 in pilot hole, guide rod 32 is through guide pin bushing 31.
The course of work of this part is: be sent in the guiding hopper of guiding bin 26 by feed mechanism by workpiece to be machined, power transmits through scraping wings 30 and charging ram 27 by linear actuator 33 action successively, charging ram 27 promotes the workpiece to be machined being arranged in guiding hopper, thus in the hopper that workpiece to be machined is arrived on counterdie 23.In linear actuator 33 course of work, by the guide effect of guide rod, the stability of charging ram 27 axially-movable can be increased, thus in the groove material that workpiece to be machined can be fed on counterdie 23 more exactly.Can be adjusted pusher pressure by the stroke of spring 28 and linear actuator 33.
Feed mechanism is sent to by workpiece to be machined in pusher guiding hopper 26, and feed mechanism is fixed on workbench 11, and feed mechanism is positioned at the below of pusher.Described feed mechanism comprises material oil cylinder 42, upper material oil cylinder gripper shoe 41, die pad 40, hopper 37, hopper support plate 39, sliding plate 36, bearing diagonal plate 38.Upper material oil cylinder 42 is fixed in material oil cylinder gripper shoe 41, the piston rod of upper material oil cylinder 42 is connected with one end of die pad 40, the other end of die pad 40 extend in hopper 37, the end face that die pad 40 extend into the one end in hopper 37 is an inclined-plane, by the effect on this inclined-plane, can more successfully by workpiece top in sliding plate 36.Hopper 37 supports on the table by hopper support plate 39, and one end of described sliding plate 36 is connected with the discharging opening of hopper 37, and the other end of sliding plate 36 extends to above the guiding hopper oral area of pusher.Described bearing diagonal plate 38 is fixed on the inside of hopper 37, and bearing diagonal plate 38 is inclined relative to the bottom surface of hopper.
The work process of this part is: upper material oil cylinder 42 action, and drive die pad 40 to move, workpiece to be machined pushes in sliding plate 36 by the end of die pad 40.
Claims (10)
1. an automatic punch, workbench is provided with drive unit, it is characterized in that: drive unit is connected with a power distributor with two synchronous output ends, and each output of power distributor is connected with drilling tool, also be provided with the clamp system relative with drilling tool on the table, this clamp system comprises brace table, lower mold apparatus, baffle plate, guide pillar, gripper shoe, binder brace table, patrix and compressed oil cylinder, the lower surface of brace table is fixing on the table, lower mold apparatus is fixed on the upper surface of brace table, the upper surface that baffle plate is fixed on brace table is positioned at the side of lower mold apparatus, baffle plate is provided with the through hole passed for workpiece to be machined, one end of guide pillar is connected with brace table, the other end of guide pillar is connected with gripper shoe, binder brace table and guide pillar are slidably matched, described patrix is connected with the bottom of binder brace table, the top of binder brace table is connected with fixing compressed oil cylinder on the supporting plate, described lower mold apparatus and patrix are equipped with the hopper that two are assembled workpiece.
2. automatic punch according to claim 1, it is characterized in that, described automatic punch also comprises the pusher be sent to by workpiece to be machined in lower mold apparatus hopper, and feed mechanism workpiece to be machined is sent in pusher guiding hopper, pusher and feed mechanism are all fixing on the table, described clamp system is between drilling tool and pusher, and feed mechanism is positioned at the below of pusher.
3. automatic punch according to claim 2, it is characterized in that, described pusher comprises charging ram, linear actuator, pusher gripper shoe and fixing guiding bin on the table, one end of charging ram is connected with linear actuator, described guiding bin is provided with guiding hopper, the other end of charging ram extend in the guiding hopper of guiding bin, and linear actuator is fixed in pusher gripper shoe, and pusher gripper shoe is fixing on the table.
4. automatic punch according to claim 3, it is characterized in that, described pusher also comprises scraping wings, guide pin bushing and guide rod, scraping wings is connected with the output of linear actuator, one end of guide rod is connected with scraping wings, described pusher gripper shoe is provided with pilot hole, and the other end of guide rod is through this pilot hole.
5. automatic punch according to claim 2, it is characterized in that, described feed mechanism comprises material oil cylinder, upper material oil cylinder gripper shoe, die pad, hopper and sliding plate, upper material oil cylinder is fixed in material oil cylinder gripper shoe, the piston rod of upper material oil cylinder is connected with one end of die pad, the other end of die pad extend in hopper, and one end of described sliding plate is connected with the discharging opening of hopper, and the other end of sliding plate extends to above the guiding hopper oral area of pusher.
6. the automatic punch according to claim 1 to 5 any one; it is characterized in that; described automatic punch also comprises setting shift cylinder on the table, discharging oil cylinder and discharging sliding plate; described lower mold apparatus comprises supporting guide and counterdie; counterdie is slidably fitted on supporting guide; the piston rod of shift cylinder is connected with counterdie, the piston rod of described discharging oil cylinder is connected with two push rods, and the other end of push rod is corresponding with the charging aperture of discharging sliding plate.
7. automatic punch according to claim 1, it is characterized in that, described drive unit comprises motor, drive, driving-belt, rotating shaft, actuator cylinder, the output of described motor is connected by driving-belt with drive, one end of rotating shaft is connected with drive, piston and the first piston bar of described actuator cylinder are equipped with through hole, the first piston bar of actuator cylinder is connected with described power distributor, after the other end of described rotating shaft passes from the piston of actuator cylinder and first piston bar successively, and pass through spline fitted between power distributor.
8. automatic punch according to claim 7, it is characterized in that, described drive unit also comprises limiting plate and the air spring corresponding with limiting plate, described actuator cylinder also comprises the second piston rod, this second piston rod is also provided with through hole, rotating shaft is passed from the second piston rod, piston and first piston bar successively, and described limiting plate is fixed on the second piston rod, and described air spring is fixed on the cylinder body of actuator cylinder.
9. automatic punch according to claim 8, is characterized in that, described limiting plate connects a gripper shoe, and this gripper shoe is provided with punching amount of feeding optoelectronic switch and reset optoelectronic switch.
10. the automatic punch according to claim 1 or 7, it is characterized in that, power distributor comprises housing, main shaft, driving gear, first driven gear, first output shaft, second driven gear and the second output shaft, main shaft by bearings in housing, one end of main shaft is provided with the spline coordinated with rotating shaft, the other end of main shaft is fixedly connected with driving gear, driving gear engages with the first driven gear and the second driven gear respectively, first driven gear is supported in housing by the first output shaft, second driven gear is supported in housing by the second output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310072524.7A CN103157822B (en) | 2013-03-06 | 2013-03-06 | Automatic punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310072524.7A CN103157822B (en) | 2013-03-06 | 2013-03-06 | Automatic punching machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103157822A CN103157822A (en) | 2013-06-19 |
| CN103157822B true CN103157822B (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310072524.7A Expired - Fee Related CN103157822B (en) | 2013-03-06 | 2013-03-06 | Automatic punching machine |
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| Country | Link |
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| CN (1) | CN103157822B (en) |
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| CN103495757A (en) * | 2013-09-05 | 2014-01-08 | 黄石一本机械制造有限公司 | Automatic double-shaft drilling machine and drilling method |
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| CN104493237B (en) * | 2014-12-15 | 2017-02-08 | 玫德集团有限公司 | Multi-hole drilling machine for flange of butterfly valve |
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| CN107584553B (en) * | 2017-09-13 | 2018-06-19 | 福建今古通生物科技有限公司 | A kind of punching die-cutting machine |
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| CN108189169B (en) * | 2018-02-12 | 2023-06-23 | 鹤山市旭浪五金实业有限公司 | Cigarette holder cutting puncher |
| US10675768B2 (en) * | 2018-03-27 | 2020-06-09 | The Boeing Company | Robotic end effector assembly, system, and method of using the same |
| CN111085700A (en) * | 2020-01-07 | 2020-05-01 | 皖西学院 | Perforating device for machining of vertical location |
| CN112024929B (en) * | 2020-07-31 | 2022-01-25 | 广东长盈精密技术有限公司 | Step hole machining device |
| CN112916750A (en) * | 2020-12-29 | 2021-06-08 | 泉州芸台科技有限公司 | Automatic feeding device of die cutting machine |
| CN112621344B (en) * | 2020-12-29 | 2022-08-05 | 襄阳鼎超机械制造有限公司 | Automatic feeding tool for machining of two end faces of connecting rod cap |
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| TW528040U (en) * | 2002-06-19 | 2003-04-11 | Tung-Hai Lin | Sealing and hole punching machine for air valve |
| CN201988756U (en) * | 2011-03-24 | 2011-09-28 | 北京上佳蓝基制冷设备有限公司 | Automatic positioning and drilling machine |
| CN202571944U (en) * | 2012-03-15 | 2012-12-05 | 天长市曙光电子有限公司 | Clamp used for hydraulic horizontal type broaching machine |
| CN203171009U (en) * | 2013-03-06 | 2013-09-04 | 常州市墅乐厨具有限公司 | Automatic punching machine |
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2013
- 2013-03-06 CN CN201310072524.7A patent/CN103157822B/en not_active Expired - Fee Related
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| CN103157822A (en) | 2013-06-19 |
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