CN205763245U - Tubing automatic punching device - Google Patents
Tubing automatic punching device Download PDFInfo
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- CN205763245U CN205763245U CN201620446083.1U CN201620446083U CN205763245U CN 205763245 U CN205763245 U CN 205763245U CN 201620446083 U CN201620446083 U CN 201620446083U CN 205763245 U CN205763245 U CN 205763245U
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- 238000004080 punching Methods 0.000 title claims abstract description 30
- 238000000465 moulding Methods 0.000 claims description 16
- 230000006698 induction Effects 0.000 claims description 14
- 230000007935 neutral effect Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 9
- 238000007373 indentation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 238000003754 machining Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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Abstract
Tubing automatic punching device, relates to field of machining.By frame, control station, front clamp system, rear clamping system, feed system, ejection system, pusher oil cylinder, servomotor and forming module are constituted, servomotor is arranged on left end above frame, described frame is arranged above guide rail, screw mandrel is installed between guide rail, servomotor is connected with front clamp system and rear clamping system respectively by screw mandrel, described forming module is fixedly installed in interlude position above frame and is placed in guide rail upper end, described front clamp system and rear clamping system are movably arranged on the guide rail above the frame of the forming module left and right sides respectively, described feed system is arranged on frame upper right, described ejection system is arranged on frame upper right and is positioned at below feed system.The beneficial effects of the utility model are: this utility model uses Automatic Control, and simple to operate, labor intensity is low, can process the hole of different size on different tubing, and production efficiency is high, and the hole symmetry precision processed is high.
Description
Technical field
This utility model relates to field of machining, particularly belongs to a kind of metal pipe material punching processing equipment.
Background technology
At present, metal pipe material is extensively applied in stoving rack makes, and need to process difform irregularly-shaped hole on different tubing in the manufacturing process of stoving rack, usual equipment (drilling machine etc.) at all cannot machine-shaping, need to use the mode molding that artificial and punch press is processed.Owing to this processing method needs manually to be placed in/take out process equipment by metal pipe material, labor intensity is big, and the center degree of asymmetry in each hole and machining accuracy cannot meet the cooperation requirement that each pipe of stoving rack assembles, accordingly it is desirable to a kind of tubing automatic punching and each hole centrosymmetric tubing automatic punching device can be had.
Summary of the invention
The purpose of this utility model is for defect described above, it is provided that a kind of energy meets the tubing automatic punching device of different punching pipes demand.
The purpose of this utility model is achieved by the following technical programs.
nullTubing automatic punching device，It is characterized in that: by frame、Control station、Front clamp system、Rear clamping system、Feed system、Ejection system、Pusher oil cylinder、Servomotor and forming module are constituted，Described servomotor is arranged on left end above frame，Described frame is arranged above guide rail，Screw mandrel is installed between guide rail，Servomotor is connected with front clamp system and rear clamping system respectively by screw mandrel，Described forming module is fixedly installed in interlude position above frame and is placed in guide rail upper end，Described front clamp system and rear clamping system are movably arranged on the guide rail above the frame of the forming module left and right sides respectively，Described feed system is arranged on frame upper right，Described ejection system is arranged on frame upper right and is positioned at below feed system，Described pusher oil cylinder is arranged on above frame right-hand member and is positioned on the right side of feed system，Described control station is arranged on right-hand member above frame，And by hydraulic pump and electromagnetic valve component respectively with front clamp system、Rear clamping system、Feed system、Ejection system、Pusher oil cylinder、Servomotor and forming module connect.
Described hydraulic pump and electromagnetic valve component are arranged in the casing of frame.
Described guide rail is provided with start bit induction installation near servomotor end, and described guide rail is provided with stop bit induction installation near forming module end.
Described front clamp system is made up of front clamp oil cylinder and front clamp block, and described front clamp block is movably installed on guide rail between servomotor and forming module, and lower end is connected with screw mandrel, and described front clamp block side is provided with front clamp oil cylinder.
Described rear clamping system is made up of rear clamping cylinder and rear clamping block, and described rear clamping block is movably installed on guide rail, is positioned on the right side of forming module, and described rear clamping block side is provided with rear clamping cylinder.
Described feed system is made up of feeding oil cylinder, storaging bucket, link stopper and discharge bucket, described storaging bucket and discharge bucket are respectively and fixedly installed to both sides before and after frame rear end, storaging bucket is positioned at the top of discharge bucket, storaging bucket forms an inclination from top to down with discharge bucket, the neutral gear that can drop across a tubing in the middle of described storaging bucket and discharge bucket, this neutral gear is positioned at directly over rear clamping system, the lower end of described storaging bucket is provided with link stopper at neutral gear, described feeding oil cylinder is fixedly mounted in frame, is positioned in the middle of storaging bucket.
The angle of described inclination is 300-600。
Described ejection system is made up of left sliding tray, left ejection cylinder, right sliding tray, right ejection cylinder, described left sliding tray and left ejection cylinder are fixedly mounted in the frame in guide rail, between forming module and rear clamping system, described right sliding tray and right ejection cylinder are fixedly mounted in the frame on the right side of guide rail, between feed system.
Described forming module is by molding oil cylinder, core rod, drift, mould bases fixes seat, compact heap, holddown spring, guide pillar, upper mold, lower mold and core rod are constituted, described mould bases is fixed seat and is fixedly mounted on frame middle-end guide rail, between front clamp system and rear clamping system, described lower mold, upper mold and compact heap are arranged on mould bases the most from the bottom up and fix in seat, the breach that tubing is placed is had between upper mold and lower mold, compact heap and upper intermode are provided with holddown spring, compact heap, guide pillar it is provided with between upper mold and lower mold, described core rod one end is connected with servomotor, the other end stretches into the indentation, there between upper mold and lower mold, described core rod one end is fixedly mounted on compact heap, the other end is connected through upper mold with drift, described molding oil cylinder is arranged on mould bases and fixes above seat and be connected with compact heap.
Described control station is provided with activate switch.
Operation principle of the present utility model is: start power supply, adjusts the spaced position of storaging bucket according to the specification of tubing to be processed, sets technical parameter to be processed and calibrate " 0 " position of front clamp block and rear clamping block.
Tubing to be processed is temporarily stored in storaging bucket, after pressing activate switch, tubing is pushed ahead by feeding oil cylinder, tubing is made to go out at the neutral gear that link stopper is fallen between storaging bucket and discharge bucket, the most left ejection cylinder and right ejection cylinder synchronize the tubing that will fall off parallel connect steady after be back in situ, pusher oil cylinder is parallel pushes forming module by tubing, makes core rod penetrate in tubing, and now pusher oil cylinder is work range.Now, the lower mold in forming module and upper mold are open mode, and front clamp block and rear clamping block are open mode, and wherein front clamp block is positioned at " terminal " position.
When tubing all pushes in core rod, front clamp oil cylinder is started working and is made front clamp block be fixedly clamped tubing, servomotor drives screw mandrel to make front clamp block move at the starting induction device on the left side rapidly, when starting induction device senses tubing, servomotor stops operating, and front clamp oil cylinder unclamps, and servomotor drives front clamp block to return to " 0 " position, front clamp block clamps tubing again, and servomotor drives front clamp block by machine-shaping in the instruction edge forming module to the right of system input.
Forming module is class's mould, punching molding again after first precompressed is fixing in forming process, specific implementation is as follows: in tubing moves on to forming module, molding oil cylinder drives lower mold to move down, holddown spring is utilized again to be fixed by tubing, guarantee that tubing is steady without mobile in forming process, it is ensured that each hole symmetry after processing.After workpiece clamps again, molding oil cylinder drives drift downward punching molding again, punching aftershaping oil cylinder unclamps rapidly return, front clamp block moves right again by the programmed instruction set, repeat above-mentioned forming step until terminating after induction installation senses front clamp block, front clamp block is unclamped in the startup of front clamp oil cylinder, and keeps releasing orientation.
The startup of rear clamping cylinder clamps block clamping tubing and continues to move right by the program of setting after making, forming module repeats forming step and continues punching, until punching pipes completes, rear clamping block drives tubing to return to initial position, tubing after processing is ejected the neutral gear between storaging bucket and discharge bucket by ejection system, feeding oil cylinder starts feeding forward, makes the tubing after processing get off along discharge bucket, and the most single tubular object extruding completes.
Repeat the above steps then can realize the tubular object extruding process of same money specification again, the spaced position of storaging bucket is then needed to readjust as the tubing of different size need to be processed, setting technical parameter to be processed and calibrate " 0 " position of front clamp block and rear clamping block, the tubular object extruding changing different tube diameters need to update the drift in forming module.
The beneficial effects of the utility model are: this utility model uses Automatic Control, and simple to operate, labor intensity is low, can process the hole of different size on different tubing, and production efficiency is high, and the hole symmetry precision processed is high.
Accompanying drawing explanation
Fig. 1 is this utility model overall structure schematic diagram.
Fig. 2 be this utility model Fig. 1 face structural representation.
Fig. 3 is the plan structure schematic diagram of this utility model Fig. 1.
Fig. 4 is the structural representation of this utility model forming module.
In figure, 1 frame, 2 servomotors, 3 front clamp oil cylinders, 4 front clamp blocks, 5 core rod, 6 lower molds, 7 molding oil cylinders, clamping cylinder after 8, 9 storaging buckets, block is clamped after 10, 11 feeding oil cylinders, 12 tubing, 13 right sliding trays, 14 link stoppers, 15 pusher oil cylinders, 16 control stations, 17 screw mandrels, 18 mould bases fix seat, 19 discharge buckets, 20 hydraulic pumps and electromagnetic valve component, 22 right ejection cylinders, 23 guide rails, 24 starting induction devices, 25 terminate induction installation, 16a activate switch, the left sliding tray of 13a, the left ejection cylinder of 22a, 6a upper mold, 61 guide pillars, 62 holddown springs, 63 compact heaps, 64 core rods, 65 drifts.
Detailed description of the invention
Below in conjunction with the accompanying drawings, this utility model is further described.
Embodiment
1
。
nullTubing automatic punching device，By frame 1、Control station 16、Front clamp system、Rear clamping system、Feed system、Ejection system、Pusher oil cylinder 15、Servomotor 2 and forming module are constituted，Described servomotor 2 is arranged on left end above frame 1，Described frame 1 is arranged above guide rail 23，Screw mandrel 17 is installed between guide rail 23，Servomotor 2 is connected with front clamp system and rear clamping system respectively by screw mandrel 17，Described forming module is fixedly installed in interlude position above frame 1 and is placed in guide rail 23 upper end，Described front clamp system and rear clamping system are movably arranged on the guide rail 23 above forming module left and right sides frame 1 respectively，Described feed system is arranged on frame 1 upper right，Described ejection system is arranged on frame 1 upper right and is positioned at below feed system，Described pusher oil cylinder 15 is arranged on above frame 1 right-hand member and is positioned on the right side of feed system，Described control station 16 is arranged on right-hand member above frame 1，And by hydraulic pump and electromagnetic valve component 20 respectively with front clamp system、Rear clamping system、Feed system、Ejection system、Pusher oil cylinder 15、Servomotor 2 and forming module connect.
Described hydraulic pump and electromagnetic valve component 20 are arranged in the casing of frame 1.
Described guide rail 23 is provided with start bit induction installation 24 near servomotor 2 end, and described guide rail 23 is provided with stop bit induction installation 25 near forming module end.
Described front clamp system is made up of front clamp oil cylinder 3 and front clamp block 4, and described front clamp block 4 is movably installed on guide rail 23 between servomotor 2 and forming module, and lower end is connected with screw mandrel 17, and described front clamp block 4 side is provided with front clamp oil cylinder 3.
Described rear clamping system is made up of rear clamping cylinder 8 and rear clamping block 10, and described rear clamping block 10 is movably installed on guide rail 23, is positioned on the right side of forming module, and described rear clamping block 10 side is provided with rear clamping cylinder 8.
Described feed system is by feeding oil cylinder 11, storaging bucket 9, link stopper 14 and discharge bucket 19 are constituted, described storaging bucket 9 is respectively and fixedly installed to both sides before and after frame 1 rear end with discharge bucket 19, storaging bucket 9 is positioned at the top of discharge bucket 19, storaging bucket 9 and discharge bucket 19 form an inclination from top to down, described storaging bucket 9 neutral gear that across a tubing 12 can drop middle with discharge bucket 19, this neutral gear is positioned at directly over rear clamping system, the lower end of described storaging bucket 9 is provided with link stopper 14 at neutral gear, described feeding oil cylinder 11 is fixedly mounted in frame 1, it is positioned in the middle of storaging bucket 9.
The angle of described inclination is 300-600。
Described ejection system is made up of left sliding tray 13a, left ejection cylinder 22a, right sliding tray 13, right ejection cylinder 22, described left sliding tray 13a and left ejection cylinder 22a is fixedly mounted in the frame 1 in guide rail 23, between forming module and rear clamping system, described right sliding tray 13 and right ejection cylinder 22 are fixedly mounted in the frame 1 on the right side of guide rail 23, between feed system.
nullDescribed forming module is by molding oil cylinder 7、Core rod 64、Drift 65、Mould bases fixes seat 18、Compact heap 63、Holddown spring 62、Guide pillar 61、Upper mold 6a、Lower mold 6 and core rod 5 are constituted，Described mould bases is fixed seat 18 and is fixedly mounted on frame 1 middle-end guide rail 23，Between front clamp system and rear clamping system，Described lower mold 6、Upper mold 6a and compact heap 63 are arranged on mould bases the most from the bottom up and fix in seat 18，The breach that tubing 12 is placed is had between upper mold 6a and lower mold 6，Holddown spring 62 is installed between compact heap 63 and upper mold 6a，Compact heap 63、Guide pillar 61 it is provided with between upper mold 6a and lower mold 6，Described core rod 5 one end is connected with servomotor 2，The other end stretches into the indentation, there between upper mold 6a and lower mold 6，Described core rod 64 one end is fixedly mounted on compact heap 63，The other end is connected through upper mold 6a with drift 65，Described molding oil cylinder 7 is arranged on mould bases and fixes above seat 18 and be connected with compact heap 63.
Described control station 16 is provided with activate switch 16a.
Operation principle of the present utility model is: start power supply, adjusts the spaced position of storaging bucket 9 according to the specification of tubing 12 to be processed, sets technical parameter to be processed and calibrates " 0 " position of front clamp block 4 and rear clamping block 10.
Tubing 12 to be processed is temporarily stored in storaging bucket 9, after pressing activate switch 16a, tubing 12 is pushed ahead by feeding oil cylinder 11, tubing 12 is made to go out at the neutral gear that link stopper 14 is fallen between storaging bucket 9 and discharge bucket 19, the most left ejection cylinder 22a and right ejection cylinder 22 synchronize the tubing 12 that will fall off parallel connect steady after be back in situ, pusher oil cylinder 15 is parallel pushes forming module by tubing 12, makes core rod 5 penetrate in tubing 12, and now pusher oil cylinder 15 is work range.Now, the lower mold 6 in forming module is open mode with upper mold 6a, and front clamp block 4 and rear clamping block 10 are open mode, and wherein front clamp block 4 is positioned at " terminal " position.
In tubing 12 all pushes core rod 5, front clamp oil cylinder 3 is started working and is made front clamp block 4 be fixedly clamped tubing 12, servomotor 2 drives screw mandrel 17 to make front clamp block 4 move at the starting induction device 24 on the left side rapidly, when starting induction device 24 senses tubing 12, servomotor 2 stops operating, front clamp oil cylinder 3 unclamps, servomotor 2 drives front clamp block 4 to return to " 0 " position, front clamp block 4 clamps tubing 12 again, and servomotor 2 drives machine-shaping in the instruction edge forming module to the right that front clamp block 4 is inputted by system.
Forming module is class's mould, punching molding again after first precompressed is fixing in forming process, specific implementation is as follows: when tubing 12 moves on in forming module, molding oil cylinder 7 drives lower mold 6 to move down, holddown spring 62 is utilized again to be fixed by tubing 12, guarantee that tubing 12 is steady without mobile in forming process, it is ensured that each hole symmetry after processing.After workpiece clamps again, molding oil cylinder 7 drives the downward punching molding of drift 65 again, punching aftershaping oil cylinder 7 unclamps rapidly return, front clamp block 4 moves right again by the programmed instruction set, repeat above-mentioned forming step until terminating after induction installation 25 senses front clamp block 4, front clamp block 4 is unclamped in front clamp oil cylinder 3 startup, and keeps releasing orientation.
Rear clamping cylinder 8 start make after clamp block 10 clamp tubing 12 continue by set program move right, forming module repeats forming step and continues punching, until tubing 12 punching completes, rear clamping block 10 drives tubing 12 to return to initial position, tubing 12 after processing is ejected the neutral gear between storaging bucket 9 and discharge bucket 19 by ejection system, feeding oil cylinder 11 starts feeding forward, makes the tubing after processing 12 get off along discharge bucket 19, and the most single tubing 12 machines.
Repeat the above steps then can realize tubing 12 course of processing of same money specification again, the spaced position of storaging bucket 9 is then needed to readjust as the tubing 12 of different size need to be processed, set technical parameter to be processed and calibrate " 0 " position of front clamp block 4 and rear clamping block 10, changing the drift 65 that the tubular object extruding of different tube diameters need to update in forming module.
This utility model is not limited to above-mentioned embodiment, and anyone should learn and make the technical scheme close with this utility model under enlightenment of the present utility model, within each falling within protection domain of the present utility model.
Claims (10)
- null1. tubing automatic punching device，It is characterized in that: by frame (1)、Control station (16)、Front clamp system、Rear clamping system、Feed system、Ejection system、Pusher oil cylinder (15)、Servomotor (2) and forming module are constituted，Described servomotor (2) is arranged on frame (1) top left end，Described frame (1) is arranged above guide rail (23)，Screw mandrel (17) is installed between guide rail (23)，Servomotor (2) is connected with front clamp system and rear clamping system respectively by screw mandrel (17)，Described forming module is fixedly installed in interlude position, frame (1) top and is placed in guide rail (23) upper end，Described front clamp system and rear clamping system are movably arranged on the guide rail (23) of top, forming module left and right sides frame (1) respectively，Described feed system is arranged on frame (1) upper right，Described ejection system is arranged on frame (1) upper right and is positioned at below feed system，Described pusher oil cylinder (15) is arranged on frame (1) top right-hand member and is positioned on the right side of feed system，Described control station (16) is arranged on frame (1) top right-hand member，And by hydraulic pump and electromagnetic valve component (20) respectively with front clamp system、Rear clamping system、Feed system、Ejection system、Pusher oil cylinder (15)、Servomotor (2) and forming module connect.
- Tubing automatic punching device the most according to claim 1, it is characterised in that: described hydraulic pump and electromagnetic valve component (20) are arranged in the casing of frame (1).
- Tubing automatic punching device the most according to claim 1, it is characterized in that: described guide rail (23) is provided with start bit induction installation (24) near servomotor (2) end, and described guide rail (23) is provided with stop bit induction installation (25) near forming module end.
- Tubing automatic punching device the most according to claim 1, it is characterized in that: described front clamp system is made up of front clamp oil cylinder (3) and front clamp block (4), described front clamp block (4) is movably installed on guide rail (23) and is positioned between servomotor (2) and forming module, lower end is connected with screw mandrel (17), and described front clamp block (4) side is provided with front clamp oil cylinder (3).
- Tubing automatic punching device the most according to claim 1, it is characterized in that: described rear clamping system is made up of rear clamping cylinder (8) and rear clamping block (10), clamp block (10) after described to be movably installed on guide rail (23), be positioned on the right side of forming module, described after clamp block (10) side rear clamping cylinder (8) be installed.
- Tubing automatic punching device the most according to claim 1, it is characterized in that: described feed system is by feeding oil cylinder (11), storaging bucket (9), link stopper (14) and discharge bucket (19) are constituted, described storaging bucket (9) and discharge bucket (19) are respectively and fixedly installed to both sides before and after frame (1) rear end, storaging bucket (9) is positioned at the top of discharge bucket (19), storaging bucket (9) forms an inclination from top to down with discharge bucket (19), described storaging bucket (9) neutral gear that across a tubing (12) can drop middle with discharge bucket (19), this neutral gear is positioned at directly over rear clamping system, the lower end of described storaging bucket (9) is provided with link stopper (14) at neutral gear, described feeding oil cylinder (11) is fixedly mounted in frame (1), it is positioned in the middle of storaging bucket (9).
- Tubing automatic punching device the most according to claim 6, it is characterised in that: the angle of described inclination is 300-600。
- Tubing automatic punching device the most according to claim 1, it is characterized in that: described ejection system is made up of left sliding tray (13a), left ejection cylinder (22a), right sliding tray (13), right ejection cylinder (22), described left sliding tray (13a) and left ejection cylinder (22a) are fixedly mounted in the frame (1) in guide rail (23), between forming module and rear clamping system, described right sliding tray (13) and right ejection cylinder (22) are fixedly mounted in the frame (1) on guide rail (23) right side, between feed system.
- nullTubing automatic punching device the most according to claim 1，It is characterized in that: described forming module is by molding oil cylinder (7)、Core rod (64)、Drift (65)、Mould bases fixes seat (18)、Compact heap (63)、Holddown spring (62)、Guide pillar (61)、Upper mold (6a)、Lower mold (6) and core rod (5) are constituted，Described mould bases is fixed seat (18) and is fixedly mounted on frame (1) middle-end guide rail (23)，Between front clamp system and rear clamping system，Described lower mold (6)、Upper mold (6a) and compact heap (63) are arranged on mould bases the most from the bottom up and fix in seat (18)，The breach that tubing (12) is placed is had between upper mold (6a) and lower mold (6)，Holddown spring (62) is installed between compact heap (63) and upper mold (6a)，Compact heap (63)、Guide pillar (61) it is provided with between upper mold (6a) and lower mold (6)，Described core rod (5) one end is connected with servomotor (2)，The other end stretches into the indentation, there between upper mold (6a) and lower mold (6)，Described core rod (64) one end is fixedly mounted on compact heap (63)，The other end is connected through upper mold (6a) with drift (65)，Described molding oil cylinder (7) is arranged on mould bases and fixes seat (18) top and be connected with compact heap (63).
- Tubing automatic punching device the most according to claim 1, it is characterised in that: described control station (16) is provided with activate switch (16a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446083.1U CN205763245U (en) | 2016-05-17 | 2016-05-17 | Tubing automatic punching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446083.1U CN205763245U (en) | 2016-05-17 | 2016-05-17 | Tubing automatic punching device |
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| Publication Number | Publication Date |
|---|---|
| CN205763245U true CN205763245U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620446083.1U Active CN205763245U (en) | 2016-05-17 | 2016-05-17 | Tubing automatic punching device |
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| CN (1) | CN205763245U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605330A (en) * | 2019-09-24 | 2019-12-24 | 山东嘉励智能科技有限公司 | Linkage type three-step self-detection punching device |
| CN111702071A (en) * | 2020-04-27 | 2020-09-25 | 江苏远望仪器集团有限公司 | Quick hydraulic pressure punching device of tubular product |
-
2016
- 2016-05-17 CN CN201620446083.1U patent/CN205763245U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605330A (en) * | 2019-09-24 | 2019-12-24 | 山东嘉励智能科技有限公司 | Linkage type three-step self-detection punching device |
| CN110605330B (en) * | 2019-09-24 | 2021-08-31 | 昆山义杰欣精密钣金有限公司 | Linkage type three-step self-detection punching device |
| CN111702071A (en) * | 2020-04-27 | 2020-09-25 | 江苏远望仪器集团有限公司 | Quick hydraulic pressure punching device of tubular product |
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