CN120715116B - Quick die change device for metal stamping part production - Google Patents
Quick die change device for metal stamping part productionInfo
- Publication number
- CN120715116B CN120715116B CN202511207655.0A CN202511207655A CN120715116B CN 120715116 B CN120715116 B CN 120715116B CN 202511207655 A CN202511207655 A CN 202511207655A CN 120715116 B CN120715116 B CN 120715116B
- Authority
- CN
- China
- Prior art keywords
- die
- plate
- transfer
- limiting
- frame
- Prior art date
- 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.)
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
本发明涉及金属冲压技术领域，提出了一种金属冲压件生产快速换模装置，应用于压力机上，压力机包括机体、下底板和上压板，下底板固定安装在机体上，上压板通过液压缸可升降设置在机体上，下底板位于上压板的正下方，包括安装座、锁紧组件、移送架体和推板，安装座设置有两个，两个安装座分别固定连接在上压板的底端和下底板的顶端，锁紧组件设置在安装座上，用于对模具进行锁紧，移送架体可拆卸连接在机体上，用于放置模具以及供模具移动，推板可移动设置在移送架体上，用于将模具推送至安装座处，通过上述技术方案，用于解决现有技术中生产不同型号的冲压件需要更换不同模具，在模具更换时存在一定不便的问题。
This invention relates to the field of metal stamping technology and proposes a quick die-changing device for the production of metal stamping parts. Applied to a press, the press includes a machine body, a lower base plate, and an upper pressure plate. The lower base plate is fixedly mounted on the machine body, and the upper pressure plate is vertically adjustable on the machine body via a hydraulic cylinder. The lower base plate is located directly below the upper pressure plate and includes a mounting base, a locking assembly, a transfer frame, and a push plate. Two mounting bases are provided, fixedly connected to the bottom end of the upper pressure plate and the top end of the lower base plate, respectively. The locking assembly is mounted on the mounting base and used to lock the die. The transfer frame is detachably connected to the machine body and used to place and move the die. The push plate is movably mounted on the transfer frame and used to push the die to the mounting base. This technical solution addresses the problem in the prior art where different dies need to be changed to produce different types of stamping parts, which is inconvenient during die changes.
Description
Technical Field
The invention relates to the technical field of metal stamping, in particular to a rapid die changing device for metal stamping production.
Background
The stamping is a forming processing method for a workpiece (stamping part) with a required shape and size by applying external force to plates, strips, pipes, sectional materials and the like by using a press machine and a die to enable the plates, the strips, the pipes, the sectional materials and the like to generate plastic deformation or separation.
The current mould passes through bolt and clamp plate etc. to be installed on the press, and the stamping workpiece of production different batches needs to be changed different moulds, and current press mould is located press central point to the mould has certain weight, generally uses the manual screw of carrying out the bolt to dismantle the mould, has great inconvenience when changing the mould, needs to spend longer time and has the lower problem of security.
Disclosure of Invention
The invention provides a quick die changing device for producing metal stamping parts, which is used for solving the problem that different dies need to be changed for producing stamping parts of different types in the prior art, and certain inconvenience exists in die changing.
The technical scheme of the invention is that the quick die changing device for producing the metal stamping parts is applied to a press, and the press comprises a machine body, a lower bottom plate and an upper pressing plate, and comprises the following components:
the two mounting seats are respectively fixedly connected to the bottom end of the upper pressing plate and the top end of the lower bottom plate;
the locking subassembly, the locking subassembly sets up on the mount pad for lock the mould, the locking subassembly includes:
the limiting frames are provided with two groups, are movably and liftably arranged on the mounting seat through the driving assembly, are contacted with the die holder of the die, and relatively move;
The positioning blocks are arranged, two inclined sliding grooves are formed in the mounting seat, the positioning blocks are movably arranged in the inclined sliding grooves, and when the positioning blocks are positioned on one side of the inclined sliding grooves away from the center of the mounting seat, the outer sides of the positioning blocks are flush with the outer sides of the mounting seat;
the transfer support body, transfer the support body and dismantle the connection on the organism for place the mould and supply the mould to remove, transfer the support body and include:
the transfer board, transfer the board and pass through coupling assembling detachable connection on the organism, transfer the board with the bottom plate contact, transfer the top of board with the top of bottom plate flushes, coupling assembling includes:
the support frame is fixedly connected to the bottom end of the transfer plate;
The inserting rod is fixedly connected to the supporting frame, and a slot matched with the inserting rod is formed in the machine body;
The transfer rail is fixedly connected with a support plate and is connected to the transfer plate in a sliding manner, and the transfer rail is contacted with the limit frame above;
the pushing plate is movably arranged on the transfer frame body and used for pushing the die to the mounting seat.
For realizing the lift and the removal of two sets of spacing frames, install on the mount pad and be used for the drive spacing frame goes up and down and removes drive assembly, drive assembly includes:
The bidirectional screw rod is rotatably arranged on the mounting seat and is provided with two external threads with opposite rotation directions;
The two moving seats are symmetrically arranged outside the bidirectional screw rod and are in threaded connection with the bidirectional screw rod;
The first electric cylinder is installed on the movable seat, and the limiting frame is fixedly connected to the output end of the first electric cylinder.
In order to improve stability of the transfer plate, the transfer plate is fixedly connected with a first limiting block, and a first limiting groove matched with the first limiting block is formed in the mounting seat below the transfer plate.
In order to improve stability of the transfer track, a second limit block is fixedly connected to the limit frame above the transfer track, and a second limit groove matched with the second limit block is formed in the transfer track.
In order to reduce the resistance of the die moving, a plurality of balls are rotationally connected to the transfer rail, and the top ends of the balls are flush with the top ends of the limiting frames.
In order to improve the stability of the transferring frame body, a baffle is connected to the machine body in a sliding manner, and the baffle is in contact with the supporting frame.
In order to improve the stability of the die, the limiting frame and the transferring rail are both L-shaped, and the limiting frame and the transferring rail are both contacted with the edge of the die holder of the die.
The working principle and the beneficial effects of the invention are as follows:
According to the invention, the quick and convenient disassembly and assembly of the transfer frame body and the machine body are realized through the connecting component, the transfer plate and the transfer track correspond to the positions of the mounting seat and the limiting frame, the new die is pushed to the mounting position through the push plate, the old die is pushed to the other side through the push plate, the positions of the dies are positioned through the movement of the positioning block and the movement of the limiting frame, the dies and the mounting seat are tightly attached through the lifting of the limiting frame, so that the disassembly and the replacement of the dies are completed.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of a first view of the present invention;
FIG. 2 is a schematic diagram of a second view of the present invention;
FIG. 3 is a schematic view of the first stopper, the push plate, the transfer frame and the connecting assembly according to the present invention;
FIG. 4 is a schematic view of the structure of the mounting base, locking assembly and drive assembly of the present invention;
FIG. 5 is a schematic view of the structure of the limiting frame and the driving assembly of the present invention;
Fig. 6 is a partially enlarged schematic view of the structure of fig. 1a according to the present invention.
In the figure:
1. The machine comprises a machine body, a lower bottom plate, a lower pressing plate, an upper pressing plate, a mounting seat, a ball, a first limiting block, a second limiting block, a baffle, a 9, a push plate, a 10 and an electric cylinder III, wherein the lower bottom plate is provided with a first limiting block, a second limiting block, a baffle, a second pushing plate and a third electric cylinder;
101. 102, positioning blocks 103, and a second electric cylinder;
201. the device comprises a bidirectional screw, a movable seat, an electric cylinder I, a motor and a motor, wherein the bidirectional screw is provided with a bidirectional screw;
301. a transfer plate 302, a transfer rail;
401. Support frame, 402, inserted link, 403, backup pad.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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.
As shown in fig. 1 to 6, the present embodiment provides a quick die-changing device for producing metal stamping parts, which is applied to a press machine, wherein the press machine comprises a machine body 1, a lower bottom plate 2 and an upper pressing plate 3, the lower bottom plate 2 is fixedly installed on the machine body 1, the upper pressing plate 3 is arranged on the machine body 1 in a lifting manner through a hydraulic cylinder, and the lower bottom plate 2 is located under the upper pressing plate 3 and comprises an installation seat 4, a locking assembly, a transferring frame body and a pushing plate 9.
As shown in fig. 1 to 5, two mounting seats 4 are provided, the two mounting seats 4 are respectively and fixedly connected with the bottom end of the upper pressing plate 3 and the top end of the lower bottom plate 2, a locking component is arranged on the mounting seat 4 and used for locking a die, the locking component comprises a limiting frame 101 and a positioning block 102, the limiting frame 101 is provided with two groups, the limiting frame 101 is movably and liftable arranged on the mounting seat 4 through a driving component, the limiting frame 101 is contacted with a die holder of the die, the two groups of limiting frames 101 relatively move, in order to realize the lifting and moving of the two groups of limiting frames 101, the driving component comprises a bidirectional screw 201, a moving seat 202 and an electric cylinder one 203, the bidirectional screw 201 is rotatably arranged on the mounting seat 4, a motor 204 is arranged on the mounting seat 4, the bidirectional screw 201 is fixedly connected with the output end of the motor 204, two external threads with opposite rotation directions are arranged on the bidirectional screw 201, the two movable seats 202 are symmetrically arranged outside the two-way screw 201, the movable seats 202 are in threaded connection with the two-way screw 201, the first electric cylinder 203 is arranged on the movable seat 202, the limiting frame 101 is fixedly connected to the output end of the first electric cylinder 203, the first electric cylinder 203 can drive the limiting frame 101 to lift, the limiting frame 101 is L-shaped, the limiting frame 101 is in edge contact with the die holder of the die, the two positioning blocks 102 are arranged, two inclined sliding grooves are arranged on the mounting seat 4, the positioning blocks 102 are movably arranged in the inclined sliding grooves, the second electric cylinder 103 is arranged on the mounting seat 4, the positioning blocks 102 are in one-to-one correspondence with the second electric cylinder 103, the positioning blocks 102 are fixedly connected to the output end of the second electric cylinder 103, when the positioning blocks 102 are positioned on one side of the inclined sliding grooves far away from the center of the mounting seat 4, the outer sides of the positioning blocks 102 are flush with the outer sides of the mounting seat 4, the initial positioning block 102 is located at the center far away from the mounting seat 4, namely at the edge position close to the mounting seat 4, at this time, the positioning blocks 102 are all located in the inclined sliding groove to avoid blocking the movement of the die, when the die is pushed to the mounting seat 4, the second electric cylinder 103 drives the positioning blocks 102 to approach the center position of the mounting seat 4, namely approach the die, the two positioning blocks 102 synchronously move, the edges of the positioning blocks 102 and the die are tightly attached, the die is fixed at the center position of the mounting seat 4, the motor 204 drives the bidirectional screw 201 to rotate, the two moving seats 202 can be driven to approach each other or separate from each other, namely the distance between the two groups of limiting frames 101 is adjusted, the limiting frames 101 and the die holder edges of the die are tightly attached, the limiting frames 101 support and limit the die holder of the die, the two groups of limiting frames 101 and the two positioning blocks 102 are respectively located at the periphery of the die and are mutually matched to position the die, and after the positioning is completed, the first electric cylinder 203 drives the limiting frames 101 to approach the mounting seat 4, so that the die and the mounting seat 4 are tightly attached, and the die is mounted.
As shown in fig. 1 to 3 and 6, the transfer frame body is detachably connected to the machine body 1 for placing a mold and moving the mold, the transfer frame body comprises a transfer plate 301 and a transfer rail 302, the transfer plate 301 is detachably connected to the machine body 1 through a connection assembly, the transfer plate 301 is in contact with the lower base plate 2, the top end of the transfer plate 301 is flush with the top end of the lower base plate 2, the connection assembly comprises a support frame 401 and an inserting rod 402, the support frame 401 is fixedly connected to the bottom end of the transfer plate 301, the inserting rod 402 is fixedly connected to the support frame 401, a slot matched with the inserting rod 402 is formed in the machine body 1, the transfer plate 301 is fixedly connected with a support plate 403, the transfer rail 302 is slidably connected to the transfer plate 301, the transfer rail 302 is in contact with a limit frame 101 positioned above, a plurality of balls 5 are rotatably connected to the transfer rail 302, and the top ends of the balls 5 are flush with the top end of the limit frame 101, in order to improve the stability of the transfer plate 301, the transfer plate 301 is fixedly connected with a first limit block 6, a first limit groove matched with the first limit block 6 is formed in a mounting seat 4 positioned below, in order to improve the stability of the transfer rail 302, a second limit block 7 is fixedly connected with a limit frame 101 positioned above, a second limit groove matched with the second limit block 7 is formed in the transfer rail 302, in order to improve the stability of the transfer frame body, a baffle plate 8 is slidingly connected with the machine body 1, the baffle plate 8 is contacted with a support frame 401, the support frame 401 can be mounted on the machine body 1 by inserting an inserting rod 402 into the slot, thereby the transfer plate 301 and the transfer rail 302 are mounted on a press machine, the transfer plate 301 is contacted with the mounting seat 4 positioned below and the top ends of the transfer plate 301 are flush, the stability of the transfer plate 301 is improved by the first limit block 6 and the first limit groove, the transfer rail 302 is tightly attached to the limit frame 101 positioned above, the stability of the transfer rail 302 is improved through the second limiting block 7, the transfer rail 302 can be moved along with the limiting frame 101 through sliding fit of the transfer rail 302 and the supporting plate 403, the transfer rail 302 and the limiting frame 101 can be used for stably supporting the die, the limiting frame 101 and the transfer rail 302 are both in L-shaped, the limiting frame 101 and the transfer rail 302 are in contact with the edges of the die holder of the die, the horizontal parts of the limiting frame 101 and the transfer rail 302 have a certain length, the distance between the two groups of limiting frames 101 is adjusted through the bidirectional screw 201, the die with different sizes can be supported, when the die needs to be replaced, the die is placed on the transfer rail 302 and the transfer plate 301, the die can be pushed directly, the die can be directly moved between the two groups of limiting frames 101, the limiting frame 101 can be limited through the limiting frame 101, after the inserting rod 402 is inserted into the inserting groove, the baffle plate 8 is moved to be tightly attached to the supporting frame 401, the supporting frame 401 and the limiting frame 301 and the transfer rail 302 and the base and the limiting frame 101 are tightly attached, and the die can be stably conveyed, and the resistance in moving the die is reduced through the ball 5.
The push plate 9 is movably arranged on the transfer frame body and used for pushing the die to the installation seat 4, the third electric cylinder 10 is arranged on the support frame 401, the push plate 9 is fixedly connected to the output end of the third electric cylinder 10, the die is placed on the transfer rail 302 and the transfer plate 301, the push plate 9 is located on one side, far away from the installation seat 4, of the die, the push plate 9 is driven to move towards the installation seat 4 through the third electric cylinder 10, and accordingly the die can be pushed to the installation seat 4, the old die is pushed to the transfer rail 302 and the transfer plate 301 on the other side, and the new die is installed and recovered.
The working principle or the use flow of the quick die changing device for producing the metal stamping parts is as follows:
The die is arranged on the mounting seat 4 through a limiting frame 101, the die is limited through a positioning block 102, and the upper pressing plate 3 drives the die to descend for stamping;
When the die is required to be replaced, the upper pressing plate 3 is controlled to be lifted to a proper height, the inserting rod 402 is inserted into the slot, the transfer plate 301 and the transfer rail 302 are installed on the machine body 1, the transfer plate 301 is tightly attached to the mounting seat 4 below, the transfer rail 302 is tightly attached to the limiting frame 101 above, the first limiting block 6 limits the transfer plate 301, the second limiting block 7 limits the transfer rail 302, and the pushing baffle 8 limits the supporting frame 401 and the transfer plate 301;
Placing a new die on the transfer rail 302, driving the limit frame 101 to be far away from the mounting seat 4 by the first electric cylinder 203, driving the locating block 102 to be far away from the die by the second electric cylinder 103 to move into the inclined chute, releasing the limit of the old die, driving the push plate 9 to push the new die to move to the mounting seat 4 by the third electric cylinder 10, pushing the old die to the transfer rail 302 and the transfer plate 301 at the other side by the new die, and recycling the old die;
The second electric cylinder 103 drives the positioning block 102 to be close to the die to limit the die, the motor 204 drives the bidirectional screw 201 to rotate, the first electric cylinder 203 drives the limiting frame 101 to be close to the mounting seat 4, the die is fixedly attached to the mounting seat 4, the die is mounted, the baffle 8 is pushed to remove the limitation on the support frame 401, the inserting rod 402 can be pulled out of the slot, and the transfer plate 301 and the transfer rail 302 are detached from the machine body 1 to perform normal stamping operation.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
1. The quick die changing device for producing the metal stamping parts is applied to a press machine, and the press machine comprises a machine body, a lower bottom plate and an upper pressing plate and is characterized by comprising two mounting seats, a locking assembly, a transfer frame body, a push plate, a pressing plate and a pressing plate, wherein the two mounting seats are respectively fixedly connected with the bottom end of the upper pressing plate and the top end of the lower bottom plate;
the locking assembly comprises two groups of limiting frames, two positioning blocks, two locking blocks, a locking mechanism and a locking mechanism, wherein the two groups of limiting frames are movably and liftably arranged on a mounting seat through a driving assembly, the limiting frames are in contact with a die holder of a die, and the two groups of limiting frames move relatively;
The transfer frame body comprises a transfer plate detachably connected to the machine body through a connecting component, wherein the transfer plate is contacted with the lower bottom plate, and the top end of the transfer plate is flush with the top end of the lower bottom plate; the transfer plate is fixedly connected with a support plate, the transfer rail is slidably connected to the transfer plate, and the transfer rail is contacted with a limit frame positioned above the transfer rail; the connecting component comprises a supporting frame fixedly connected to the bottom end of the transfer plate; the limiting frame and the transfer rail are both L-shaped, and the limiting frame and the transfer rail are both contacted with the edge of the die holder of the die;
When the die is pushed to the installation seat, the second electric cylinder drives the positioning blocks to approach the center of the installation seat and approach the die, the two positioning blocks synchronously move, the edges of the positioning blocks and the die are tightly attached, and the die is fixed at the center of the installation seat.
2. The quick die changing device for producing metal stamping parts according to claim 1, wherein the driving assembly comprises a bidirectional screw rod, two external threads with opposite rotation directions are arranged on the bidirectional screw rod in a rotatable mode, two movable seats are arranged on the bidirectional screw rod, the two movable seats are symmetrically arranged outside the bidirectional screw rod and are in threaded connection with the bidirectional screw rod, the first electric cylinder is arranged on the movable seat, and the limiting frame is fixedly connected with the output end of the first electric cylinder.
3. The rapid die change device for producing metal stamping parts according to claim 1, wherein the transfer plate is fixedly connected with a first limiting block, and a first limiting groove matched with the first limiting block is formed in a mounting seat positioned below the transfer plate.
4. The rapid die changing device for producing metal stamping parts according to claim 1, wherein the limiting frame positioned above is fixedly connected with a limiting block II, and a limiting groove II matched with the limiting block II is formed in the transfer rail.
5. The rapid die change apparatus for producing metal stamping parts according to claim 1, wherein a plurality of balls are rotatably connected to the transfer rail, and the top ends of the balls are flush with the top ends of the limit frames.
6. The rapid die change apparatus for producing metal stamping parts according to claim 1, wherein the machine body is slidably connected with a baffle plate, and the baffle plate is in contact with the supporting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511207655.0A CN120715116B (en) | 2025-08-27 | 2025-08-27 | Quick die change device for metal stamping part production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511207655.0A CN120715116B (en) | 2025-08-27 | 2025-08-27 | Quick die change device for metal stamping part production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN120715116A CN120715116A (en) | 2025-09-30 |
| CN120715116B true CN120715116B (en) | 2025-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202511207655.0A Active CN120715116B (en) | 2025-08-27 | 2025-08-27 | Quick die change device for metal stamping part production |
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| CN (1) | CN120715116B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN120902060B (en) * | 2025-10-10 | 2026-01-02 | 珠海锐翔智能科技股份有限公司 | Punching device and punching machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215508650U (en) * | 2021-08-05 | 2022-01-14 | 重庆肯卓科技有限公司 | Numerical control rapid die changing device |
| CN216916576U (en) * | 2022-04-02 | 2022-07-08 | 山东厚德包装机械有限公司 | An automatic mold changing device for packaging equipment |
| JP2023044441A (en) * | 2021-09-17 | 2023-03-30 | 株式会社栗本鐵工所 | Mold exchange device, press machine including the same, mold carry-out method of press machine, and mold carry-in method of press machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108246893B (en) * | 2018-01-26 | 2023-11-17 | 重庆肯卓科技有限公司 | Numerical control quick die changing method and numerical control quick die changing device |
| CN215587662U (en) * | 2021-08-20 | 2022-01-21 | 江苏智石科技有限公司 | Frock is got to mould clamp for punch press retooling |
| CN119610767A (en) * | 2024-11-19 | 2025-03-14 | 宿州顺祥锻压机械有限公司 | Die changing device for press machine die |
| CN120347129A (en) * | 2025-06-06 | 2025-07-22 | 昆山日腾精密模具科技有限公司 | Quick die change locking mechanism for connector stamping and stamping die thereof |
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2025
- 2025-08-27 CN CN202511207655.0A patent/CN120715116B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215508650U (en) * | 2021-08-05 | 2022-01-14 | 重庆肯卓科技有限公司 | Numerical control rapid die changing device |
| JP2023044441A (en) * | 2021-09-17 | 2023-03-30 | 株式会社栗本鐵工所 | Mold exchange device, press machine including the same, mold carry-out method of press machine, and mold carry-in method of press machine |
| CN216916576U (en) * | 2022-04-02 | 2022-07-08 | 山东厚德包装机械有限公司 | An automatic mold changing device for packaging equipment |
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