CN112916737A - Iron alloy material forming die - Google Patents

Iron alloy material forming die Download PDF

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Publication number
CN112916737A
CN112916737A CN202110250076.XA CN202110250076A CN112916737A CN 112916737 A CN112916737 A CN 112916737A CN 202110250076 A CN202110250076 A CN 202110250076A CN 112916737 A CN112916737 A CN 112916737A
Authority
CN
China
Prior art keywords
rack
alloy material
forming die
driving
connecting rod
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.)
Withdrawn
Application number
CN202110250076.XA
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Chinese (zh)
Inventor
郭斗斗
葛平平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Green Energy Technology Research Institute Co Ltd
Original Assignee
Anhui Green Energy Technology Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Green Energy Technology Research Institute Co Ltd filed Critical Anhui Green Energy Technology Research Institute Co Ltd
Priority to CN202110250076.XA priority Critical patent/CN112916737A/en
Publication of CN112916737A publication Critical patent/CN112916737A/en
Withdrawn legal-status Critical Current

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    • 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
    • B21D37/10—Die sets; Pillar guides
    • 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
    • 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
    • B21D37/16—Heating or cooling
    • 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
    • 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
    • B21D43/20—Storage arrangements; Piling or unpiling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The invention discloses a forming die for a ferroalloy material, which comprises a rack, wherein a female die is fixedly arranged on the rack, a plurality of concave cavities are formed in the female die, a plurality of electric hydraulic push rods are fixedly arranged on the periphery of the top of the rack, a supporting plate is fixedly connected to the free ends of the electric hydraulic push rods, a first through groove is formed in the supporting plate, a connecting rod is connected in the first through groove in a sliding mode, a punch is fixedly connected to the bottom of the connecting rod, and a first rack is fixedly connected to one side of the top of the connecting rod. According to the invention, the second worm is driven to rotate by the second driving motor, the second worm gear is driven to drive the first rack to move, the connecting rod is further driven to drive the punch to move, the punch is adjusted to be aligned with different concave cavities on the female die, for a large plate-shaped workpiece, the arrangement of the punch with the adjustable horizontal position avoids the step of adjusting the position of the workpiece, the operation is convenient, the labor is saved, and meanwhile, the utilization rate of workpiece materials is improved.

Description

Iron alloy material forming die
Technical Field
The invention relates to the technical field of dies, in particular to a forming die for an iron alloy material.
Background
In short, the die is a tool for manufacturing a formed article, the tool is composed of various parts, different dies are composed of different parts, the processing of the appearance of the article is realized mainly by changing the physical state of the formed material, and the die is called as an industrial mother, and the development level of the die production is one of important marks of the mechanical manufacturing level.
The titanium alloy material forming die of the single drift of current part rigidity of the punch head, when punching press work piece through the drift, need adjust the work piece position to carry out stamping forming to the different positions of work piece, however, to some platelike work pieces, because the work piece volume is great, it is comparatively troublesome to remove, brings the inconvenience for the staff, consequently, lacks a titanium alloy material forming die of drift position adjustable.
Disclosure of Invention
In order to solve the problems mentioned in the background art, a forming die for iron alloy materials is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a die for forming a ferrous alloy material comprises a rack, wherein a female die is fixedly mounted on the rack, a plurality of cavities are formed in the female die, a plurality of electric hydraulic push rods are fixedly mounted on the periphery of the top of the rack, a supporting plate is fixedly connected to the free ends of the electric hydraulic push rods, a first through groove is formed in the supporting plate, a connecting rod is connected in the first through groove in a sliding mode, a punch is fixedly connected to the bottom of the connecting rod, a first rack is fixedly connected to one side of the top of the connecting rod, a second worm gear meshed and connected with the first rack is rotatably mounted on one side of the top of the supporting plate, a second driving motor is fixedly mounted on the supporting plate, a second worm meshed and connected with the second worm gear is connected to the output shaft of the second driving motor in a transmission mode, and a abdicating;
the improved roller press is characterized in that two sides of the bottom of the rack are rotatably provided with transmission screw rods with different screw thread turning directions, sliding grooves are formed in two sides of the rack, the outer sides of the transmission screw rods are rotatably connected with press plates penetrating through the sliding grooves through screw threads, the bottom of each press plate is rotatably provided with a press roller, and the bottom of the rack is provided with a driving device for driving the transmission screw rods on two sides to rotate.
As a further description of the above technical solution:
the driving device comprises a driven bevel gear rotatably mounted at the bottom of the transmission screw rod, transmission shafts are rotatably mounted on two sides of the bottom of the rack, driving bevel gears meshed with the driven bevel gear are fixedly mounted at two ends of each transmission shaft, and a driving structure for driving the transmission shafts to rotate is arranged at the bottom of the rack.
As a further description of the above technical solution:
the driving structure comprises a first worm wheel fixedly mounted on a transmission shaft, a first driving motor is fixedly mounted at the bottom of the rack, and an output shaft of the first driving motor is in transmission connection with a first worm in transmission connection with the first worm wheel.
As a further description of the above technical solution:
guide grooves located on two sides of the first through groove are formed in the supporting plate, and guide blocks matched with the guide grooves are fixedly connected to two sides of the connecting rod.
As a further description of the above technical solution:
the cross section of the connecting rod is rectangular.
As a further description of the above technical solution:
the fixed plate that the slope set up is connected with to backup pad bottom both sides fixedly, the inboard of fixed plate is equipped with the fan.
As a further description of the above technical solution:
the supporting plate and the fixing plate are connected through welding.
As a further description of the above technical solution:
a second through groove is formed in the fixing plate, a third driving motor is arranged on the outer side of the fixing plate, and an output shaft of the third driving motor penetrates through the second through groove and then is fixedly connected with the fan.
As a further description of the above technical solution:
an inner cavity is formed in the fixing plate, second racks are fixedly connected to two sides of the top of the inner cavity, and a cylindrical gear meshed with the second racks is fixedly mounted on an output shaft of the third driving motor.
As a further description of the above technical solution:
the free end of the electric hydraulic push rod is connected with the supporting plate through welding.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the support plate is driven by the electric hydraulic push rod to drive the punch to move towards the groove, so that a workpiece is punched and formed in the concave cavity, the second worm is driven by the second driving motor to rotate, the second worm gear is driven to drive the first rack to move according to the meshing transmission principle of the latch, the connecting rod is driven to drive the punch to move, the punch is adjusted to be aligned with different concave cavities on the female die, for a large plate-shaped workpiece, the punch with the adjustable horizontal position is arranged, the step of adjusting the position of the workpiece is avoided, the operation is convenient, the labor is saved, and meanwhile, the utilization rate of workpiece materials is improved.
2. According to the invention, the first worm is driven to rotate by the first driving motor, the first worm wheel is driven to drive the transmission shaft and the driving bevel gears at two ends to rotate according to a latch meshing transmission principle, the driven bevel gear is further driven to drive the transmission screw to rotate, the pressing plate is driven to move in the sliding groove according to a thread transmission principle, and the positions of the pressing plate and the pressing roller are adjusted, wherein the positioning of the pressing plate is realized according to the self-locking effect between the first worm and the first worm wheel and the thread self-locking principle, so that the purpose of limiting a workpiece in the vertical direction is conveniently realized.
3. According to the invention, the cylindrical gear and the fan are driven to synchronously rotate by the third driving motor, the fan acts on the workpiece and the punch, so that heat generated by friction when the workpiece and the punch are punched is reduced, and on the other hand, the third driving motor and the fan are driven to move along the fixing plate by the cylindrical gear in a reverse direction under the meshing transmission action between the cylindrical gear and the second rack, so that the acting area of the fan on the workpiece is increased, and crushed aggregates and flying debris on the workpiece can be blown off.
Drawings
Fig. 1 is a schematic front view illustrating a mold for forming a ferrous alloy material according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating an internal structure of a support plate of a ferrous alloy material forming die according to an embodiment of the present invention;
fig. 3 is a schematic top view illustrating a concave die of a ferrous alloy material forming die according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating an internal structure of a fixing plate of a mold for forming a ferrous alloy material according to an embodiment of the present invention;
fig. 5 is a schematic front view illustrating a fixing plate of a mold for molding a ferrous alloy material according to an embodiment of the present invention;
fig. 6 is a schematic view illustrating connection of a pressing plate and a slide groove of a molding die for iron alloy material according to an embodiment of the present invention;
fig. 7 is an enlarged schematic view of a forming die for iron alloy material according to an embodiment of the present invention.
Illustration of the drawings:
1. a frame; 2. an electric hydraulic push rod; 3. a connecting rod; 4. a support plate; 5. a first rack; 6. a third drive motor; 7. a fixing plate; 8. a fan; 9. a punch; 10. pressing a plate; 11. a compression roller; 12. a drive screw; 13. a driven bevel gear; 14. a drive bevel gear; 15. a drive shaft; 16. a first worm gear; 17. a first worm; 18. a first drive motor; 19. a female die; 20. a second worm gear; 21. a second worm; 22. a second drive motor; 23. a guide block; 24. a first through groove; 25. a guide groove; 26. a concave cavity; 27. an inner cavity; 28. a second rack; 29. a second through groove; 30. a cylindrical gear; 31. a chute; 32. a yielding groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-7, the present invention provides a technical solution: a ferroalloy material forming die comprises a frame 1, a female die 19 is fixedly installed on the frame 1, a plurality of cavities 26 are formed in the female die 19, a plurality of electric hydraulic push rods 2 are fixedly installed on the periphery of the top of the frame 1, a support plate 4 is fixedly connected with the free ends of the electric hydraulic push rods 2, the free ends of the electric hydraulic push rods 2 are connected with the support plate 4 in a welding mode, a first through groove 24 is formed in the support plate 4, a connecting rod 3 is connected in the first through groove 24 in a sliding mode, the cross section of the connecting rod 3 is rectangular, a punch 9 is fixedly connected to the bottom of the connecting rod 3, a first rack 5 is fixedly connected to one side of the top of the connecting rod 3, a second worm wheel 20 meshed with the first rack 5 is rotatably installed on one side of the top of the support plate 4, a second driving motor 22 is fixedly installed on the support plate 4, and a second, one side of the rack 1 is provided with a yielding groove 32 matched with the first rack 5;
the punch 9 is driven to move towards the concave cavity 26 by the driving of the supporting plate 4 through the electric hydraulic push rod 2, so that a workpiece is punched and formed in the concave cavity 26, the second worm 21 is driven to rotate by the second driving motor 22, the second worm wheel 20 is driven to drive the first rack 5 to move according to the meshing transmission principle of the latch, the connecting rod 3 is driven to drive the punch 9 to move, the punch 9 is adjusted to be aligned with different concave cavities 26 on the concave die 19, for a large plate-shaped workpiece, the arrangement of the punch 9 with the adjustable horizontal position avoids the step of adjusting the position of the workpiece, the operation is convenient, the labor is saved, and meanwhile, the utilization rate of workpiece materials is improved;
the two sides of the bottom of the frame 1 are rotatably provided with transmission screw rods 12 with different screw threads in different rotation directions, the two sides of the frame 1 are provided with sliding chutes 31, the outer sides of the transmission screw rods 12 are rotatably connected with a pressing plate 10 penetrating through the sliding chutes 31 through screw threads, the bottom of the pressing plate 10 is rotatably provided with a pressing roller 11, and the bottom of the frame 1 is provided with a driving device for driving the transmission screw rods 12 at the two sides to rotate;
the driving device comprises a driven bevel gear 13 rotatably arranged at the bottom of a driving screw 12, transmission shafts 15 are rotatably arranged on two sides of the bottom of the rack 1, driving bevel gears 14 in meshed connection with the driven bevel gear 13 are fixedly arranged at two ends of each transmission shaft 15, and a driving structure for driving the transmission shafts 15 to rotate is arranged at the bottom of the rack 1;
the driving structure comprises a first worm wheel 16 fixedly arranged on the transmission shaft 15, a first driving motor 18 is fixedly arranged at the bottom of the rack 1, and an output shaft of the first driving motor 18 is in transmission connection with a first worm 17 in transmission connection with the first worm wheel 16;
through the rotation of first worm 17 of first driving motor 18 drive, according to latch meshing transmission principle, drive first worm wheel 16 and drive transmission shaft 15 and the drive bevel gear 14 rotation at both ends, and then drive driven bevel gear 13 and drive screw 12 and rotate, according to the screw thread transmission principle, drive clamp plate 10 removes in spout 31, adjust the position of clamp plate 10 and compression roller 11, wherein, according to the auto-lock between first worm 17 and the first worm wheel 16, and the screw thread auto-lock principle, realize the location of clamp plate 10, thereby be convenient for realize the spacing purpose of work piece in vertical side.
Referring to fig. 2, the supporting plate 4 is provided with guide grooves 25 at two sides of the first through groove 24, and two sides of the connecting rod 3 are fixedly connected with guide blocks 23 matched with the guide grooves 25, so as to ensure the stability of the connecting rod 3 in the vertical direction.
Referring to fig. 4 and 5, the two sides of the bottom of the supporting plate 4 are fixedly connected with fixing plates 7 which are obliquely arranged, the supporting plate 4 and the fixing plates 7 are connected by welding, and the inner side of the fixing plates 7 is provided with a fan 8;
a second through groove 29 is formed in the fixed plate 7, a third driving motor 6 is arranged on the outer side of the fixed plate 7, and an output shaft of the third driving motor 6 penetrates through the second through groove 29 and then is fixedly connected with the fan 8;
an inner cavity 27 is formed in the fixing plate 7, second racks 28 are fixedly connected to two sides of the top of the inner cavity 27, and a cylindrical gear 30 in meshed connection with the second racks 28 is fixedly installed on an output shaft of the third driving motor 6;
the third driving motor 6 drives the cylindrical gear 30 and the fan 8 to synchronously rotate, the fan 8 acts on the workpiece and the punch 9, on one hand, heat generated by friction when the workpiece and the punch 9 are punched is reduced, and on the other hand, the cylindrical gear 30 and the second rack 28 are meshed and driven to enable the cylindrical gear 30 to reversely drive the third driving motor 6 and the fan 8 to move along the fixing plate 7, so that the acting area of the fan 8 on the workpiece is increased, and crushed aggregates and flying chips on the workpiece are blown off.
The working principle is as follows: when the device is used, firstly, the first worm 17 is driven to rotate by the first driving motor 18, the first worm wheel 16 is driven to drive the transmission shaft 15 and the driving bevel gears 14 at two ends to rotate according to a gear-locking transmission principle, and then the driven bevel gear 13 is driven to drive the transmission screw 12 to rotate, the pressing plate 10 is driven to move in the sliding groove 31 according to a thread transmission principle, and the positions of the pressing plate 10 and the pressing roller 11 are adjusted, wherein the positioning of the pressing plate 10 is realized according to the self-locking action between the first worm 17 and the first worm wheel 16 and the thread self-locking principle, so that the limiting purpose of a workpiece in the vertical direction is realized conveniently;
secondly, the supporting plate 4 is driven by the electric hydraulic push rod 2 to drive the punch 9 to move towards the concave cavity 26, so that a workpiece is punched and formed in the concave cavity 26, the second driving motor 22 drives the second worm 21 to rotate, the second worm wheel 20 is driven to drive the first rack 5 to move according to the meshing transmission principle of the latch, the connecting rod 3 is driven to drive the punch 9 to move, the punch 9 is adjusted to be aligned with different concave cavities 26 on the concave die 19, for a large plate-shaped workpiece, the punch 9 with the adjustable horizontal position is arranged, the step of adjusting the position of the workpiece is avoided, the operation is convenient, the labor is saved, and meanwhile, the utilization rate of workpiece materials is improved;
meanwhile, the third driving motor 6 drives the cylindrical gear 30 and the fan 8 to synchronously rotate, and the fan 8 acts on the workpiece and the punch 9, so that on one hand, heat generated by friction when the workpiece and the punch 9 are punched is reduced, and on the other hand, the cylindrical gear 30 and the second rack 28 are meshed for transmission, so that the cylindrical gear 30 reversely drives the third driving motor 6 and the fan 8 to move along the fixing plate 7, and the acting area of the fan 8 on the workpiece is increased, and crushed aggregates and flying chips on the workpiece are blown off.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The forming die for the iron alloy material comprises a rack (1) and is characterized in that a female die (19) is fixedly mounted on the rack (1), a plurality of cavities (26) are formed in the female die (19), a plurality of electric hydraulic push rods (2) are fixedly mounted on the periphery of the top of the rack (1), a supporting plate (4) is fixedly connected with the free ends of the electric hydraulic push rods (2), a first through groove (24) is formed in the supporting plate (4), a connecting rod (3) is slidably connected in the first through groove (24), a punch (9) is fixedly connected with the bottom of the connecting rod (3), a first rack (5) is fixedly connected with one side of the top of the connecting rod (3), a second worm wheel (20) meshed and connected with the first rack (5) is rotatably mounted on one side of the top of the supporting plate (4), and a second driving motor (22) is fixedly mounted on the supporting plate (4, an output shaft of the second driving motor (22) is connected with a second worm (21) in a transmission way, the second worm is meshed with a second worm wheel (20), and one side of the rack (1) is provided with a abdicating groove (32) matched with the first rack (5);
frame (1) bottom both sides are rotated and are installed the screw thread and revolve to different drive screw (12), spout (31) have been seted up to frame (1) both sides, the drive screw (12) outside closes soon through the screw thread and is connected with clamp plate (10) that pass spout (31), clamp plate (10) bottom is rotated and is installed compression roller (11), frame (1) bottom is equipped with drive both sides drive screw (12) pivoted drive arrangement.
2. The forming die for the iron alloy material as claimed in claim 1, wherein the driving device comprises a driven bevel gear (13) rotatably mounted at the bottom of the driving screw (12), driving shafts (15) are rotatably mounted at two sides of the bottom of the frame (1), driving bevel gears (14) meshed with the driven bevel gears (13) are fixedly mounted at two ends of the driving shafts (15), and a driving structure for driving the driving shafts (15) to rotate is arranged at the bottom of the frame (1).
3. A forming die for iron alloy material according to claim 2, characterized in that the driving structure comprises a first worm wheel (16) fixedly mounted on a transmission shaft (15), a first driving motor (18) is fixedly mounted at the bottom of the machine frame (1), and an output shaft of the first driving motor (18) is in transmission connection with a first worm (17) in transmission connection with the first worm wheel (16).
4. A ferrous alloy material forming die according to claim 3, characterized in that the supporting plate (4) is provided with guide grooves (25) at two sides of the first through groove (24), and two sides of the connecting rod (3) are fixedly connected with guide blocks (23) matched with the guide grooves (25).
5. A forming die for iron alloy material according to claim 4, characterized in that the cross section of the connecting rod (3) is rectangular.
6. A forming die for iron alloy material according to claim 5, characterized in that the supporting plate (4) is fixedly connected with obliquely arranged fixing plates (7) at two sides of the bottom, and the inner side of the fixing plates (7) is provided with a fan (8).
7. A forming die for iron alloy material according to claim 6, characterized in that, the supporting plate (4) and the fixing plate (7) are connected by welding.
8. The iron alloy material forming die of claim 7, wherein a second through groove (29) is formed in the fixing plate (7), a third driving motor (6) is arranged on the outer side of the fixing plate (7), and an output shaft of the third driving motor (6) penetrates through the second through groove (29) and then is fixedly connected with the fan (8).
9. The iron alloy material forming die of claim 8, wherein an inner cavity (27) is formed in the fixing plate (7), second racks (28) are fixedly connected to two sides of the top of the inner cavity (27), and a cylindrical gear (30) meshed with the second racks (28) is fixedly mounted on an output shaft of the third driving motor (6).
10. A ferrous alloy material forming die as claimed in claim 9, characterized in that the free end of the electro-hydraulic push rod (2) is connected with the support plate (4) by welding.
CN202110250076.XA 2021-03-08 2021-03-08 Iron alloy material forming die Withdrawn CN112916737A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110250076.XA CN112916737A (en) 2021-03-08 2021-03-08 Iron alloy material forming die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110250076.XA CN112916737A (en) 2021-03-08 2021-03-08 Iron alloy material forming die

Publications (1)

Publication Number Publication Date
CN112916737A true CN112916737A (en) 2021-06-08

Family

ID=76171764

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110250076.XA Withdrawn CN112916737A (en) 2021-03-08 2021-03-08 Iron alloy material forming die

Country Status (1)

Country Link
CN (1) CN112916737A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113714369A (en) * 2021-11-01 2021-11-30 张家港市卓华金属科技有限公司 Stamping equipment for metal product convenient to dismantle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113714369A (en) * 2021-11-01 2021-11-30 张家港市卓华金属科技有限公司 Stamping equipment for metal product convenient to dismantle
CN113714369B (en) * 2021-11-01 2021-12-28 张家港市卓华金属科技有限公司 Stamping equipment for metal product convenient to dismantle

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Application publication date: 20210608

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