CN108746320B - Automatic flange processing punch press - Google Patents
Automatic flange processing punch press Download PDFInfo
- Publication number
- CN108746320B CN108746320B CN201810796309.4A CN201810796309A CN108746320B CN 108746320 B CN108746320 B CN 108746320B CN 201810796309 A CN201810796309 A CN 201810796309A CN 108746320 B CN108746320 B CN 108746320B
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- Prior art keywords
- positioning
- plate
- flange
- buffer
- platen
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- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000003754 machining Methods 0.000 claims description 9
- 238000004080 punching Methods 0.000 abstract description 19
- 230000003139 buffering effect Effects 0.000 abstract description 8
- 238000012797 qualification Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
- B21D45/08—Stripping-off devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses an automatic flange processing punch press, which comprises a frame, a demolding device, a punch, a driving device and a positioning and locking mechanism for realizing accurate and firm positioning of a flange, wherein the positioning and locking mechanism comprises a positioning device, a buffering device, a rotary tensioning device and a pressure plate locking device. The positioning device can reliably position the flange; the buffer device can avoid rigid contact with the flange when the punch is used for punching; the rotary tensioning device and the pressure plate locking device can firmly press the flange on the processing station. The flange automatic processing punch with the device can realize accurate and firm positioning of the flange, and greatly improves the processing precision of the flange, thereby improving the qualification rate of flange finished products.
Description
Technical Field
The invention relates to flange production and processing equipment, in particular to an automatic flange processing punch.
Background
The punch press is a mechanical device for punching a workpiece, and is suitable for processing connecting parts which are simultaneously closed at the periphery of two planes by using bolts, such as the connection of ventilation pipelines, and the parts can be called as flange parts.
In the existing flange production process, the flange is generally fixed on a punch, and through holes are punched through the punch. If the workpiece is not locked in the punching process, the workpiece is positioned in a deviation way due to overlarge vibration, so that the qualification rate of the processed finished product is lower.
Disclosure of Invention
The invention provides an automatic flange processing punch press with a positioning and locking mechanism, which aims at the defects of the prior art. The positioning device can reliably position the flange; the buffer device can avoid rigid contact with the flange when the punch is used for punching; the rotary tensioning device and the pressure plate locking device can firmly lock the flange on the processing station. Through the cooperation between the above-mentioned device, can realize the accurate firm location of flange, improve the machining precision of flange, and then improved machining efficiency and qualification rate of flange.
The invention is realized by the following technical scheme:
the flange automatic processing punch press comprises a frame, a demoulding device, a punch and a driving device. The demolding device and the driving device are arranged on the frame and located below the punch.
The demolding device can prevent the flange from being displaced due to the acting force of the punch. The driving device can drive the screw rod to rotate, so that the movable nut transversely moves, and the bottom plate is driven to transversely move, so that the distance between the central axis of the flange and the central axis of the flange punching hole is adjusted, and the requirements of the flange punching hole sizes with different sizes are met.
Further, the flange automatic processing punch press further comprises a positioning locking mechanism, wherein the positioning locking mechanism comprises a bottom plate, a positioning device, a buffer device, a rotary tensioning device and a pressure plate locking device, the positioning device comprises a positioning plate, the buffer device comprises a buffer plate, the buffer plate is positioned below the positioning plate, and the positioning plate moves up and down relative to the bottom plate; the positioning plate, the buffer plate and the bottom plate are all provided with communicated through holes, and the rotary tensioning device passes through the through holes; the pressure plate locking device is fixedly arranged on the bottom plate.
Further, the positioning device further comprises positioning holes, positioning blocks, a fixing plate, a guide piece, a guide sleeve and a lifting driving device, wherein the positioning plate is arranged above the fixing plate, and a plurality of positioning holes are distributed on the positioning plate; the fixing plate is provided with positioning blocks which are in one-to-one correspondence with the positioning holes and are matched with the positioning holes at positions corresponding to the positioning holes; the guide sleeve is fixedly arranged on the fixed plate, and the lifting driving device drives the guide piece to vertically move along the guide sleeve so as to drive the positioning plate to lift.
Further, the buffer device further comprises a guide sleeve, guide posts and a buffer driving device, the guide sleeve is fixedly arranged on four corners of the buffer plate, the guide posts are arranged on the fixing plate, the buffer driving device drives the guide sleeve to vertically move along the guide posts so as to drive the buffer plate to lift, and the buffer driving device is arranged on the bottom plate.
Further, the rotary tensioning device comprises a chuck, a turntable, an indexing device, a transmission device and a rotary device, wherein the indexing device and the transmission device are arranged on the buffer plate, the chuck is positioned above the turntable, a rotary hole is formed in the turntable, the chuck is provided with a rotary shaft, and the rotary shaft penetrates through the rotary hole and is connected with the rotary device.
Further, the turntable further comprises a supporting part and a turning part, wherein the turning part is arranged below the supporting part, and the turning center of the turning part is coincident with the turning center of the supporting part. The rotary part is internally provided with a groove, and the rotary device is arranged in the groove.
Further, the transmission device comprises a worm wheel and a worm, the worm wheel is sleeved on the rotating part, the worm is connected with an output shaft of the indexing device, and the indexing device drives the rotating part to rotate through the worm wheel and the worm.
Further, the pressure plate locking device comprises a pressure plate cover plate, a pressure plate, a lifting transmission mechanism for driving the pressure plate cover plate to press downwards and a pushing transmission mechanism for pushing the pressure plate to horizontally move, and the pressure plate cover plate is arranged on the pressure plate. The pressure plate locking device can be fixedly arranged on the bottom plate through the supporting frame.
The pressing plate is internally provided with a radial groove and a concave cavity, and the clamping head is hidden in the concave cavity when the pressing plate presses down the workpiece.
Further, the lifting transmission mechanism comprises a guide sleeve, a guide pillar and a lifting driving device, wherein the guide sleeve and the guide pillar are vertically arranged, and the lifting driving device is used for driving the guide pillar to lift and displace along the guide sleeve.
Further, the pushing transmission mechanism comprises a horizontally arranged guide piece, a sliding piece which moves back and forth along the guide piece and a pushing driving device which pushes the sliding piece to move horizontally along the guide piece.
Further, the turning device is a turning oil cylinder. The lifting driving device can be a lifting oil cylinder or a lifting air cylinder. The pushing driving device can be a pushing cylinder or a pushing oil cylinder.
The automatic flange processing punch provided by the invention is provided with the positioning locking mechanism, the workpiece is conveyed to the positioning device and falls well, the pressing disc locking device pushes the pressing disc to the upper part of the workpiece, the clamping head just falls into the concave cavity of the pressing disc, the pressing disc cover plate downwards presses the pressing disc through the lifting transmission mechanism, and the clamping head downwards presses under the driving of the rotating device to drive the pressing disc to lock the workpiece. When punching processing is carried out, the flange can fall to an accurate processing position, can be firmly locked in the processing process, cannot loosen or deviate, and further improves the processing efficiency and the qualification rate.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the whole structure of an automatic flange processing punch press of the invention;
FIG. 2 is a schematic view of a positioning and locking mechanism in the automatic flange processing punch of FIG. 1;
fig. 3 is a schematic view of the structure of the rotary tightening device and the platen locking device in the positioning locking mechanism shown in fig. 2.
Fig. 4 is a schematic view of the installation position of the slewing device in the positioning and locking mechanism shown in fig. 2.
Wherein the reference numerals have the following meanings:
frame 10, stripper 20, punch 30, positioning and locking mechanism 40, drive 50, positioning device 41, positioning plate 411, positioning hole 412, positioning block 413, fixing plate 414, guide sleeve 415, guide bar 416, lifting drive 417, buffer 42, buffer cylinder 421, buffer plate 422, guide sleeve 423, guide post 424, pivoting tension device 43, collet 431, pivot shaft 4311, turntable 432, support 4321, pivot 4322, indexing device 433, transmission 434, worm 4341, worm gear 4342, pivoting device 435, bottom plate 44, platen locking device 45, push transmission mechanism 451, push cylinder 4511, guide rail 4512, slide 4513, lifting transmission mechanism 452, fixing plate 4521, guide sleeve 4522, guide post 4523, lifting cylinder 4524, platen cover 453, platen 454, support 455.
Detailed Description
For a better understanding and implementation, specific embodiments of the invention are described in further detail below with reference to the drawings and examples. The following examples are only for illustration of the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the flange automatic processing punch press comprises a frame 10, a demoulding device 20, a punch 30, a positioning and locking mechanism 40 and a driving device 50. The demoulding device 20, the positioning and locking mechanism 40 and the driving device 50 are arranged on the frame and are positioned below the punch 30. The stripper device 20 prevents the flange from being displaced by the punching force of the punch 30. The driving device 50 can drive the screw rod to rotate, so that the movable nut moves transversely, and the bottom plate 44 is driven to move transversely, so that the distance between the central axis of the flange and the central axis of the flange punching hole can be adjusted, and the requirement of the circular flange punching hole with different sizes can be met.
As shown in fig. 2, the positioning and locking mechanism 40 comprises a bottom plate 44, a positioning device 41, a buffer device 42, a rotary tensioning device 43 and a pressure plate locking device 45, wherein the positioning device 41 is arranged above the buffer device 42; the platen lock 45 is fixedly mounted to the base plate 44.
The positioning device 41 comprises a positioning plate 411, the buffer device 42 comprises a buffer plate 422, the buffer plate 422 is positioned below the positioning plate 411, and the positioning plate 411 moves up and down relative to the bottom plate 44; the positioning plate 411, the buffer plate 422 and the bottom plate 44 are provided with through holes which are communicated with each other, and the rotary tensioning device 43 passes through the through holes; the platen lock 45 is fixedly mounted to the base plate 44.
As shown in fig. 2, the positioning device 41 further includes a positioning hole 412, a positioning block 413, a fixing plate 414, a guide sleeve 415, a guide rod 416, and a lifting driving device 417, wherein the positioning plate 411 is disposed above the fixing plate 414, three positioning holes 412 are disposed on the positioning plate 411, and the positioning holes 412 are spaced 120 degrees apart and uniformly distributed on the circumference; three positioning blocks 413 are arranged on the fixing plate 414, and the positioning blocks 413 are matched with the positioning holes 412 and are identical in distribution position; the guide sleeve 415 is fixedly mounted on the fixing plate 414, and the lifting driving device 417 drives the guide rod 416 to vertically move along the guide sleeve 415, so as to drive the positioning plate 411 to lift.
As shown in fig. 2, the buffering device 42 further includes a buffering plate 422, a guide sleeve 423 and a guide pillar 424, the guide sleeve 423 is fixedly mounted on four corners of the buffering plate 422, a cylinder body of the buffering cylinder 421 is arranged on the bottom plate 44, the guide pillar 424 is arranged on the fixing plate 414, a piston rod of the buffering cylinder 421 is arranged on the buffering plate 422, the guide sleeve 423 is driven to vertically move along the guide pillar 424, and then the buffering plate 422 is driven to lift, so that rigid damage to a processing end caused by rigid contact with a flange when the punch 30 punches is avoided.
As shown in fig. 3-4, the rotary tightening device 43 includes a chuck 431, a turntable 432, an indexing device 433, a transmission device 434, and a rotary device 435, where the chuck 431 is located above the turntable 432, a rotary hole is formed in the turntable 432, and the chuck 431 is provided with a rotary shaft 4311, and the rotary shaft 4311 passes through the rotary hole and is connected with the rotary device 435. The swivel 435 provides a secure tightening and locking force to the collet 431 to thereby lock the workpiece. The turntable 432 further comprises a supporting portion 4321 and a rotating portion 4322, the rotating portion 4322 is arranged below the supporting portion 4321, and the rotating center of the supporting portion 4321 coincides with the rotating center of the rotating portion 4322, so that the accuracy of flange machining is improved. The rotating part 4322 is provided with a groove inside, and the rotating device 435 is arranged in the groove. The transmission device 434 comprises a worm gear 4342 and a worm 4341, and the indexing device 433 drives the transmission device 434 to drive the turntable 432 to rotate, and is linked with the processing end to drive the flange to perform continuous automatic indexing, so that the processing precision and the production efficiency of the flange are improved.
As shown in fig. 2-3, the platen locking device 45 includes a supporting frame 455, a platen cover 453, a platen 454, a lifting transmission mechanism 452 for driving the platen cover 453 to press down, and a pushing transmission mechanism 451 for pushing the platen 454 to move horizontally, where the platen locking device 45 is fixedly mounted on the bottom plate 44 through the supporting frame 455; the positioning and locking of the flange can be realized through the pressure plate locking device 45, so that the workpiece displacement during the stamping operation of the flange is avoided, and the machining accuracy is improved.
The working principle of the invention is as follows:
the flange is placed on the positioning plate 411 in the positioning device 41, and the guide rod 416 moves vertically downwards along the guide sleeve 415 under the driving of the lifting driving device 417, so as to drive the positioning plate 411 to descend. After the positioning plate 411 contacts the upper surface of the fixing plate 415, the positioning block 413 protrudes from the positioning hole 412 to position the flange. In the process of descending the positioning plate 411, the flange is driven to descend together, and finally the flange is located on the supporting portion 4321 of the turntable 432 in the rotary tightening device 43, and at this time, the clamping head 431 passes through the through hole of the flange and is located at the upper end of the flange. The platen lock 45 is then actuated and the platen 454 is moved horizontally over the flange by the drive of the push ram 4511 in the push actuator 451, with the collet 431 now just falling within the cavity of the platen 454. Under the drive of a lifting cylinder 4524 in the lifting transmission mechanism 452, the guide pillar 4523 moves downwards along the guide sleeve 4522, so that the platen cover 453 is driven to press the platen 454 downwards, and then under the drive of a turning device 435 in the turning tensioning device 43, the chuck 431 is driven to press downwards, so that the platen 454 is driven to press and lock the workpiece. The flange is firmly locked in the press working position by the cooperation of the rotary tightening device 43 and the platen locking device 45.
The punching process is then performed on the flange by the punch 30, and the indexing device 433 in the rotary tensioning device 43 drives the transmission device 434 to rotate the turntable 432 by a certain angle to drive the non-punched part of the flange to the processing area of the punch 30 to complete the next punching process of the punch 30. In the punching process, the punching force is transmitted to the piston rod of the buffer cylinder 421 through the buffer plate 422 in the buffer device 42, the piston rod is compressed and retreated under the action of the punching force, the initial punching force of the punch 30 is unloaded to a certain extent, the punch 30 is prevented from rigidly contacting with the flange during punching, and the service life of the punch 30 is prolonged. In other embodiments, a spring may be used instead of the buffer cylinder 421, where two ends of the spring are connected to the bottom plate 44 and the buffer plate 422, respectively.
After the punching process is completed, under the driving of the turning device 435, the chuck 431 is lifted upwards, then the lifting cylinder 4524 pushes the platen cover 453 to lift, the pushing transmission mechanism 451 drives the platen 454 and the platen cover 453 to retract, the positioning plate 411 is lifted under the driving of the lifting driving device 417, and meanwhile, the flange is driven to return to the position before the process, and at the moment, the flange can be pushed out from the punching station of the punch press by the pushing device.
In this embodiment, the slewing device 435 is a slewing cylinder, and the lifting driving device 417 is a lifting cylinder.
The technical means disclosed by the scheme of the invention is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (8)
1. The automatic flange processing punch press comprises a frame, a demolding device, a punch and a driving device and is characterized by further comprising a positioning locking mechanism, wherein the positioning locking mechanism comprises a bottom plate, a positioning device, a buffer device, a rotary tensioning device and a pressure plate locking device, the positioning device comprises a positioning plate, the buffer device comprises a buffer plate, the buffer plate is positioned below the positioning plate, and the positioning plate moves up and down relative to the bottom plate; the positioning plate, the buffer plate and the bottom plate are all provided with communicated through holes, and the rotary tensioning device passes through the through holes; the pressure plate locking device is fixedly arranged on the bottom plate; the driving device is used for driving the bottom plate to transversely move;
the positioning device further comprises positioning holes, positioning blocks, a fixed plate, a guide piece, a guide sleeve and a lifting driving device, wherein the positioning plate is arranged above the fixed plate, and a plurality of positioning holes are distributed on the positioning plate; the fixing plate is provided with positioning blocks which are in one-to-one correspondence with the positioning holes and are matched with the positioning holes at positions corresponding to the positioning holes; the guide sleeve is fixedly arranged on the fixed plate, and the lifting driving device drives the guide piece to vertically move along the guide sleeve so as to drive the positioning plate to lift;
the buffer device further comprises guide sleeves, guide posts and a buffer driving device, the guide sleeves are fixedly arranged on four corners of the buffer plate, the guide posts are arranged on the fixing plate, the buffer driving device drives the guide sleeves to vertically move along the guide posts so as to drive the buffer plate to lift, and the buffer driving device is arranged on the bottom plate.
2. The automatic flange machining punch according to claim 1, wherein the rotary tensioning device comprises a chuck, a turntable, an indexing device, a transmission device and a rotary device, wherein the indexing device and the transmission device are arranged on the buffer plate, the chuck is positioned above the turntable, a rotary hole is formed in the turntable, and a rotary shaft is arranged on the chuck, penetrates through the rotary hole and is connected with the rotary device.
3. The automatic flange machining punch according to claim 2, wherein the turntable further comprises a support portion and a turning portion, the turning portion being provided below the support portion, a turning center of the turning portion and a turning center of the support portion being coincident.
4. The automatic flange processing punch according to claim 3, wherein the turning part is provided with a groove inside, and the turning device is arranged in the groove.
5. The automatic flange machining punch according to claim 3, wherein the transmission device comprises a worm wheel and a worm, the worm wheel is sleeved on the turning part, the worm is connected with an output shaft of the indexing device, and the indexing device drives the turning part to rotate through the worm wheel and the worm.
6. The flange automatic processing punch press according to claim 2, wherein the platen locking device comprises a platen cover plate, a platen, a lifting transmission mechanism for driving the platen cover plate to press down, and a pushing transmission mechanism for pushing the platen to move horizontally, and the platen cover plate is arranged on the platen.
7. The automatic flange machining punch of claim 6, wherein radial grooves and cavities are formed in the platen, and the cavities are configured to receive the cartridges when the platen is pressed down on a workpiece.
8. The automatic flange machining punch of claim 2, wherein the turning device is a turning cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810796309.4A CN108746320B (en) | 2018-07-19 | 2018-07-19 | Automatic flange processing punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810796309.4A CN108746320B (en) | 2018-07-19 | 2018-07-19 | Automatic flange processing punch press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108746320A CN108746320A (en) | 2018-11-06 |
| CN108746320B true CN108746320B (en) | 2024-04-05 |
Family
ID=63970587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810796309.4A Active CN108746320B (en) | 2018-07-19 | 2018-07-19 | Automatic flange processing punch press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108746320B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07325507A (en) * | 1994-05-31 | 1995-12-12 | Matsushita Electric Ind Co Ltd | Photosensitive drum unit, image forming unit and working machine for cylindrical drum end |
| CN2224052Y (en) * | 1995-06-06 | 1996-04-10 | 杨儒林 | Drilling tool for working flange equal divided holes |
| CN201783565U (en) * | 2010-08-09 | 2011-04-06 | 中山市毅马五金有限公司 | Scale division punching die machine for tubular pile end plate and flange |
| CN201997969U (en) * | 2011-02-11 | 2011-10-05 | 衢州恒业汽车部件有限公司 | Special clamp for machining knuckle |
| CN202411896U (en) * | 2011-11-16 | 2012-09-05 | 宁国飞鹰汽车零部件股份有限公司 | Rotary pressure plate drilling clamp with function of adjusting drilling position |
| CN204523957U (en) * | 2015-03-03 | 2015-08-05 | 广州德亚机械制造有限公司 | Circular flange automatic punch machine |
| CN107900189A (en) * | 2017-12-21 | 2018-04-13 | 安徽省华夏机床制造有限公司 | A kind of punching of cone barrel workpiece and cut edge method |
| CN208542798U (en) * | 2018-07-19 | 2019-02-26 | 广州德亚机械制造有限公司 | Flange automatic processing punch press |
-
2018
- 2018-07-19 CN CN201810796309.4A patent/CN108746320B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07325507A (en) * | 1994-05-31 | 1995-12-12 | Matsushita Electric Ind Co Ltd | Photosensitive drum unit, image forming unit and working machine for cylindrical drum end |
| CN2224052Y (en) * | 1995-06-06 | 1996-04-10 | 杨儒林 | Drilling tool for working flange equal divided holes |
| CN201783565U (en) * | 2010-08-09 | 2011-04-06 | 中山市毅马五金有限公司 | Scale division punching die machine for tubular pile end plate and flange |
| CN201997969U (en) * | 2011-02-11 | 2011-10-05 | 衢州恒业汽车部件有限公司 | Special clamp for machining knuckle |
| CN202411896U (en) * | 2011-11-16 | 2012-09-05 | 宁国飞鹰汽车零部件股份有限公司 | Rotary pressure plate drilling clamp with function of adjusting drilling position |
| CN204523957U (en) * | 2015-03-03 | 2015-08-05 | 广州德亚机械制造有限公司 | Circular flange automatic punch machine |
| CN107900189A (en) * | 2017-12-21 | 2018-04-13 | 安徽省华夏机床制造有限公司 | A kind of punching of cone barrel workpiece and cut edge method |
| CN208542798U (en) * | 2018-07-19 | 2019-02-26 | 广州德亚机械制造有限公司 | Flange automatic processing punch press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108746320A (en) | 2018-11-06 |
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