CN116274560A - Stamping equipment is used in sheet metal processing - Google Patents
Stamping equipment is used in sheet metal processing Download PDFInfo
- Publication number
- CN116274560A CN116274560A CN202310190161.0A CN202310190161A CN116274560A CN 116274560 A CN116274560 A CN 116274560A CN 202310190161 A CN202310190161 A CN 202310190161A CN 116274560 A CN116274560 A CN 116274560A
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- Prior art keywords
- motor
- worm
- reciprocating screw
- sheet metal
- rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 19
- 244000309464 bull Species 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 238000004080 punching Methods 0.000 abstract description 11
- 230000008859 change Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
- B21D37/06—Pivotally-arranged tools, e.g. disengageable
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention relates to the technical field of metal plate processing, and discloses stamping equipment for metal plate processing, which comprises a base and a U-shaped frame, wherein the U-shaped frame is fixedly arranged on the upper surface of the base, a first blanking port is formed in the middle of the U-shaped frame, a first reciprocating screw rod is vertically arranged on one side of the interior of the U-shaped plate, two ends of the first reciprocating screw rod are both in rotary connection with the inner wall of the corresponding U-shaped frame, a first motor is arranged on the upper surface of the U-shaped frame, the output end of the first motor is fixedly connected with one end of the first reciprocating screw rod, a sliding plate is sleeved on the rod wall of the first reciprocating screw rod in a threaded manner, a rotating rod is rotatably arranged on one side of the sliding plate, and one end of the rotating rod is fixedly connected with a rotary shell. This stamping equipment is used in sheet metal processing can carry out automatic change to the drift, labour saving and time saving, can improve work efficiency greatly and can carry out automatic collection to the piece of punching a hole, uses manpower sparingly, and can reduce the potential safety hazard.
Description
Technical Field
The invention relates to the technical field of well covers, in particular to stamping equipment for metal plate processing.
Background
When the metal plate is punched, the punching head is driven to penetrate through the metal plate by the punching equipment, holes with specific shapes are punched in the metal plate, the punching equipment is driven by hydraulic pressure, hydraulic oil is required to be continuously injected for increasing the pressure of the punching head, the piston is driven by the hydraulic oil at a slow constant speed, the piston is driven by the hydraulic oil to move downwards to punch, and the punching head penetrates through the metal plate at a constant speed to realize the purpose of punching.
The conventional stamping equipment for sheet metal processing generally has the following problems:
firstly, because different holes are required to be punched on some plates, different punches are required to be replaced frequently, equipment is required to be stopped and waited during the period, and more time is wasted;
secondly, can produce more punching members when punching, generally need manual cleaning of manual collection, very time consuming, and the workman gets into the machine and has great potential safety hazard moreover.
Disclosure of Invention
(one) solving the technical problems
Thirdly, aiming at the defects of the prior art, the stamping equipment for metal plate processing is provided by the invention, and can automatically replace the punch heads, so that the time and labor are saved, the working efficiency is greatly improved, the punched parts can be automatically collected, the labor is saved, and the potential safety hazard is reduced.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a stamping equipment is used in sheet metal processing, includes base and U type frame, U type frame is fixed to be set up in the upper surface of base, first blanking mouth has been seted up at the middle part of U type frame, the inside one side of U type board is vertical to be provided with first reciprocal lead screw, the both ends of first reciprocal lead screw all rotate with the inner wall of corresponding U type frame and are connected, the upper surface of U type frame is provided with first motor, the output of first motor and the one end fixed connection of first reciprocal lead screw, the pole wall screw thread of first reciprocal lead screw has cup jointed the slide, one side rotation of slide is provided with the bull stick, the one end fixedly connected with revolving case of bull stick, a plurality of lateral walls of revolving case all rotate and are provided with the drift, one side of slide is provided with the drive the pivoted first drive mechanism of bull stick, both sides lower extreme of base all sets up flutedly, both sides the inside of recess has all been placed and has been received the workbin, the blanking inspired portion is opened and is connected to the one side, the blanking mouth has been opened to have all to open the inside the first mouth of silo.
Preferably, the first transmission mechanism comprises a second worm wheel and a first worm, two fixing blocks are fixedly arranged on one side of the sliding plate, the first worm is rotatably arranged between the two fixing blocks, the second worm wheel is meshed with one side of the first worm, the second worm wheel is fixedly sleeved with one end of the rotating rod, a second motor is arranged on the outer side of the fixing block, and the output end of the second motor is fixedly connected with one end of the first worm.
Preferably, the second transmission mechanism comprises a first bevel gear and a second bevel gear, the middle part of the rotary shell is rotationally provided with a transmission rod, the first bevel gear is fixedly sleeved on the rod wall of the transmission rod, the second bevel gears are distributed on one side of the first bevel gear in an annular array, the first bevel gear is in meshed connection with the second bevel gears, a third motor is arranged on the surface of one side, far away from the sliding plate, of the rotary shell, and the output end of the third motor is fixedly connected with one end of the transmission rod.
Preferably, the cleaning mechanism comprises a cleaning plate and a second reciprocating screw rod, the second reciprocating screw rod is horizontally arranged in the material receiving groove, two ends of the second reciprocating screw rod are rotationally connected with the inner wall of the corresponding material receiving groove, the cleaning plate is in threaded sleeve connection with the rod wall of the second reciprocating screw rod, and a third transmission mechanism is arranged between the first reciprocating screw rod and the second reciprocating screw rod.
Preferably, the third transmission mechanism comprises a second worm wheel and a second worm, the second worm wheel is fixedly sleeved on the rod wall of the second reciprocating screw rod, the second worm is fixedly arranged at the lower end of the first reciprocating screw rod, and the second worm is in meshed connection with the second worm wheel.
Preferably, both sides of the cleaning plate are in contact with the inner wall of the receiving groove.
Preferably, one end of the sliding plate is in contact with the inner wall of the U-shaped plate.
Preferably, the second motor is fixedly connected with the fixed block through the first supporting frame.
Preferably, the third motor is fixedly connected with the rotary shell through the second supporting frame.
(III) beneficial effects
Compared with the prior art, the stamping equipment for processing the metal plate has the following beneficial effects:
1. this stamping equipment is used in sheet metal processing drives first reciprocating screw through first motor and rotates for slide drives punch reciprocating motion from top to bottom, and the third motor drives the drift through first bevel gear and second bevel gear transmission simultaneously and rotates, can carry out stamping operation to the sheet metal, simultaneously, and first reciprocating screw drives the second worm and rotates, and the second worm drives the second worm wheel and rotates, drives the rotation of second reciprocating screw promptly, thereby drives and cleans board reciprocating motion, can carry out automatic cleaning collection to the stamping workpiece in the butt joint silo promptly, not only uses manpower sparingly, and can reduce the potential safety hazard.
2. This stamping equipment is used in sheet metal processing drives first worm through the second motor and rotates, and first worm drives first worm wheel and rotates, can drive the bull stick and rotate promptly to can drive rotatory shell and rotate, can adjust different drift to decurrent promptly, can carry out automatic change to the drift promptly, labour saving and time saving can improve work efficiency greatly.
Drawings
FIG. 1 is a schematic diagram of a stamping apparatus for sheet metal processing according to the present invention;
FIG. 2 is a schematic rear view of the structure of FIG. 1;
FIG. 3 is a schematic view of the internal structure of FIG. 2;
fig. 4 is an enlarged schematic view of the structure of the portion a in fig. 1.
In the figure: 1 base, 2U template, 3 first reciprocating screw, 4 first motor, 5 slide, 6 bull stick, 7 rotatory shell, 8 drift, 9 fixed blocks, 10 first worm, 11 second motor, 12 third motor, 13 transfer line, 14 first bevel gears, 15 second bevel gears, 16 receipts workbin, 17 second reciprocating screw, 18 cleaning plate, 19 second worm wheel, 20 second worm, 21 first worm wheel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-4, a stamping device for sheet metal processing, including base 1 and U-shaped frame, the fixed upper surface that sets up in base 1 of U-shaped frame, first blanking mouth has been seted up at the middle part of U-shaped frame, the inside one side of U-shaped board 2 is vertical to be provided with first reciprocal lead screw 3, the both ends of first reciprocal lead screw 3 all rotate with the inner wall of corresponding U-shaped frame and are connected, the upper surface of U-shaped frame is provided with first motor 4, the output of first motor 4 and the one end fixed connection of first reciprocal lead screw 3, the pole wall screw thread of first reciprocal lead screw 3 has cup jointed slide 5, the one end of slide 5 is inconsistent with the inner wall of U-shaped board 2 for slide 5 can't rotate, can stable slip, one side rotation of slide 5 is provided with bull stick 6, the one end fixedly connected with rotatory shell 7 of bull stick 6, a plurality of lateral walls of rotatory shell 7 all rotate and are provided with drift 8, the both sides lower extreme of base 1 all sets up flutedly, receive workbin 16 has all been placed to the inside of both sides fluting, connect the upper end inside of base 1 to have set up and connect the slide 5, the blanking mouth of silo has been opened the second blanking mouth, all has all opened the lower end.
Example two
Referring to fig. 1-3, a first transmission mechanism for driving the rotating rod 6 to rotate is arranged on one side of the sliding plate 5, the first transmission mechanism comprises a first worm wheel 21 and a first worm 10, two fixing blocks 9 are fixedly arranged on one side of the sliding plate 5, the first worm 10 is rotatably arranged between the two fixing blocks 9, the first worm wheel 21 is meshed with one side of the first worm 10, the first worm wheel 21 is fixedly sleeved with one end of the rotating rod 6, a second motor 11 is arranged on the outer side of the fixing block 9 on one side, an output end of the second motor 11 is fixedly connected with one end of the first worm 10, and the second motor 11 is fixedly connected with the fixing blocks 9 through a first supporting frame, so that the connection between the second motor 11 and the fixing blocks 9 is firmer.
Example III
Referring to fig. 1-4, a second transmission mechanism for driving the plurality of punches 8 to rotate is arranged on one side of the rotary shell 7, the second transmission mechanism comprises a first bevel gear 14 and a second bevel gear 15, a transmission rod 13 is rotatably arranged in the middle of the rotary shell 7, the first bevel gear 14 is fixedly sleeved on the rod wall of the transmission rod 13, the plurality of second bevel gears 15 are distributed on one side of the first bevel gear 14 in an annular array, the first bevel gear 14 and the plurality of second bevel gears 15 are in meshed connection, a third motor 12 is arranged on the surface of one side, away from the sliding plate 5, of the rotary shell 7, the output end of the third motor 12 is fixedly connected with one end of the transmission rod 13, and the third motor 12 is fixedly connected with the rotary shell 7 through a second support frame, so that the third motor 12 is connected with the rotary shell 7 more firmly.
Example IV
Referring to fig. 1, a cleaning mechanism is disposed in the receiving groove, the cleaning mechanism includes a cleaning plate 18 and a second reciprocating screw 17, the second reciprocating screw 17 is horizontally disposed in the receiving groove, two ends of the second reciprocating screw 17 are rotationally connected with corresponding inner walls of the receiving groove, the cleaning plate 18 is in threaded socket connection with the rod wall of the second reciprocating screw 17, and two sides of the cleaning plate 18 are in contact with the inner walls of the receiving groove, so that the cleaning plate 18 cannot rotate, i.e. can stably slide.
Example five
Referring to fig. 1-4, a third transmission mechanism is arranged between the first reciprocating screw 3 and the second reciprocating screw 17, the third transmission mechanism comprises a second worm wheel 19 and a second worm 20, the second worm wheel 19 is fixedly sleeved on the rod wall of the second reciprocating screw 17, the second worm 20 is fixedly arranged at the lower end of the first reciprocating screw 3, and the second worm 20 is in meshed connection with the second worm wheel 19.
To sum up, this stamping equipment for sheet metal processing, when using, switch on the power of first motor 4 and third motor 12, first motor 4 drives first reciprocal lead screw 3 and rotates, make slide 5 drive drift 8 reciprocating motion from top to bottom, simultaneously third motor 12 drives the punching press through first bevel gear 14 and second bevel gear 15 transmission, drive the punching press, 8 rotate, can carry out stamping work to the panel, simultaneously, first reciprocal lead screw 3 drives second worm 20 rotation, second worm 20 drives second worm wheel 19 and rotates, drive the reciprocal lead screw 17 of second, thereby drive the reciprocating motion of scavenging plate 18, can carry out automatic cleaning collection to the stamping workpiece in the butt joint silo, not only use manpower sparingly, and can reduce the potential safety hazard, when need change different drift 8, switch on the power of second motor 11, second motor 11 drives first worm 10 and rotates, first worm 10 drives first bevel gear 21 and rotates, can drive bull stick 6 and rotate, from that can drive rotatory shell 7, can adjust different drifts 8 to down, can change 8 automatically, work efficiency is greatly saved, can improve.
It should be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Stamping equipment is used in sheet metal processing, including base (1) and U type frame, its characterized in that: the utility model provides a cleaning device for a material tank, including base (1), U type frame, slide (5) are set up in the upper surface of base (1), first blanking mouth has been seted up at the middle part of U type frame, the inside one side of U type board (2) is vertical to be provided with first reciprocal lead screw (3), the both ends of first reciprocal lead screw (3) all rotate with the inner wall of corresponding U type frame and are connected, the upper surface of U type frame is provided with first motor (4), the output of first motor (4) and the one end fixed connection of first reciprocal lead screw (3), the pole wall screw thread of first reciprocal lead screw (3) cup joints slide (5), one side of slide (5) rotates and is provided with bull stick (6), one end fixedly connected with rotatory shell (7) of bull stick (6), a plurality of lateral walls of rotatory shell (7) all rotate and are provided with drift (8), one side of slide (5) is provided with the drive a plurality of second drive mechanism (8) pivoted one end fixed connection, the inside one side of receiving groove (1) has been set up in the base (1), the inside one side of receiving groove (16) has all been opened in the base, the inside groove (1) has all been opened in the groove, both sides have all been opened in the groove (1.
2. A stamping apparatus for sheet metal processing as defined in claim 1, wherein: the first transmission mechanism comprises a first worm wheel (21) and a first worm (10), two fixed blocks (9) are fixedly arranged on one side of the sliding plate (5), the first worm (10) is rotatably arranged between the two fixed blocks (9), the first worm wheel (21) is meshed with one side of the first worm (10), the first worm wheel (21) is fixedly sleeved with one end of the rotating rod (6), a second motor (11) is arranged on the outer side of the fixed blocks (9), and the output end of the second motor (11) is fixedly connected with one end of the first worm (10).
3. A stamping apparatus for sheet metal processing as defined in claim 1, wherein: the second transmission mechanism comprises a first bevel gear (14) and a second bevel gear (15), a transmission rod (13) is rotatably arranged in the middle of the rotary shell (7), the first bevel gear (14) is fixedly sleeved on the rod wall of the transmission rod (13), the second bevel gears (15) are distributed on one side of the first bevel gear (14) in an annular array, the first bevel gear (14) and the second bevel gears (15) are all in meshed connection, a third motor (12) is arranged on the surface of one side, far away from the sliding plate (5), of the rotary shell (7), and the output end of the third motor (12) is fixedly connected with one end of the transmission rod (13).
4. A stamping apparatus for sheet metal processing as defined in claim 1, wherein: the cleaning mechanism comprises a cleaning plate (18) and a second reciprocating screw rod (17), the second reciprocating screw rod (17) is horizontally arranged in the material receiving groove, two ends of the second reciprocating screw rod (17) are rotationally connected with the inner wall of the corresponding material receiving groove, the cleaning plate (18) is in threaded sleeve connection with the rod wall of the second reciprocating screw rod (17), and a third transmission mechanism is arranged between the first reciprocating screw rod (3) and the second reciprocating screw rod (17).
5. The stamping device for sheet metal processing as defined in claim 4, wherein: the third transmission mechanism comprises a second worm wheel (19) and a second worm (20), the second worm wheel (19) is fixedly sleeved on the rod wall of the second reciprocating screw rod (17), the second worm (20) is fixedly arranged at the lower end of the first reciprocating screw rod (3), and the second worm (20) is meshed with the second worm wheel (19).
6. A stamping apparatus for sheet metal processing as defined in claim 1, wherein: both sides of the cleaning plate (18) are in contact with the inner wall of the receiving groove.
7. A stamping apparatus for sheet metal processing as defined in claim 1, wherein: one end of the sliding plate (5) is abutted against the inner wall of the U-shaped plate (2).
8. A stamping apparatus for sheet metal processing as defined in claim 2, wherein: the second motor (11) is fixedly connected with the fixed block (9) through the first supporting frame.
9. A stamping apparatus for sheet metal processing as defined in claim 3, wherein: the third motor (12) is fixedly connected with the rotary shell (7) through a second supporting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310190161.0A CN116274560A (en) | 2023-03-02 | 2023-03-02 | Stamping equipment is used in sheet metal processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310190161.0A CN116274560A (en) | 2023-03-02 | 2023-03-02 | Stamping equipment is used in sheet metal processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116274560A true CN116274560A (en) | 2023-06-23 |
Family
ID=86821687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310190161.0A Pending CN116274560A (en) | 2023-03-02 | 2023-03-02 | Stamping equipment is used in sheet metal processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116274560A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117600384A (en) * | 2024-01-19 | 2024-02-27 | 山东丰年模具制造有限公司 | Punch device for forging aluminum profile hot extrusion die |
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| CN207887723U (en) * | 2017-12-29 | 2018-09-21 | 上海申驰实业有限公司 | Small forming angle contracting bag apparatus |
| CN111036750A (en) * | 2019-12-26 | 2020-04-21 | 武汉天顺汽车零部件有限公司 | Stamping device of car hardware |
| CN213436570U (en) * | 2020-11-06 | 2021-06-15 | 山东瑞诚化工设备有限公司 | Novel multi-head punching machine |
| CN113059050A (en) * | 2021-04-01 | 2021-07-02 | 曾文涛 | Automobile axle housing shell punching equipment and using method |
| CN215697239U (en) * | 2021-08-30 | 2022-02-01 | 上海国阳机电设备有限公司 | Punching device for hardware machining |
| CN216065125U (en) * | 2021-10-09 | 2022-03-18 | 苏州立婷锁业有限公司 | Punching die for machining lock cylinder |
| CN216857947U (en) * | 2022-03-03 | 2022-07-01 | 东莞市卓高自动化科技有限公司 | Numerical control machining die for mechanical parts |
| CN218036212U (en) * | 2022-07-21 | 2022-12-13 | 郑州中州建筑材料检测有限公司 | Building material hardness detection device |
| CN218395497U (en) * | 2022-11-02 | 2023-01-31 | 咸宁市华锐机电有限公司 | Cleaning device for numerical control punch |
-
2023
- 2023-03-02 CN CN202310190161.0A patent/CN116274560A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207887723U (en) * | 2017-12-29 | 2018-09-21 | 上海申驰实业有限公司 | Small forming angle contracting bag apparatus |
| CN111036750A (en) * | 2019-12-26 | 2020-04-21 | 武汉天顺汽车零部件有限公司 | Stamping device of car hardware |
| CN213436570U (en) * | 2020-11-06 | 2021-06-15 | 山东瑞诚化工设备有限公司 | Novel multi-head punching machine |
| CN113059050A (en) * | 2021-04-01 | 2021-07-02 | 曾文涛 | Automobile axle housing shell punching equipment and using method |
| CN215697239U (en) * | 2021-08-30 | 2022-02-01 | 上海国阳机电设备有限公司 | Punching device for hardware machining |
| CN216065125U (en) * | 2021-10-09 | 2022-03-18 | 苏州立婷锁业有限公司 | Punching die for machining lock cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117600384A (en) * | 2024-01-19 | 2024-02-27 | 山东丰年模具制造有限公司 | Punch device for forging aluminum profile hot extrusion die |
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