Stamping die for workpiece machining

By introducing an ejector rod and a motor-driven threaded rod structure into the stamping die, the remaining material is automatically ejected, solving the problem of material jamming after stamping and improving production efficiency.

CN224058577UActive Publication Date: 2026-03-31WUXI TSANG YOW AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

After stamping is completed, the remaining material in the lower die is easily stuck and difficult to remove directly, resulting in a decrease in production speed.

Method used

A structure including an ejector rod, a movable plate, a moving block, a connecting rod, and a motor drive was designed. By driving the rotation of the double-threaded rod and the single-threaded rod with the motor, the automatic ejection function of the movable plate and the ejector rod is realized, and the remaining material is automatically ejected from the lower mold.

Benefits of technology

It realizes the automatic ejection function of stamping dies, avoids the remaining material from getting stuck inside the lower die, and improves production efficiency and speed.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224058577U_ABST
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Abstract

The utility model relates to the technical field of stamping dies, and discloses a stamping die for workpiece machining, which comprises a lower die fixing plate, the upper surface of the lower die fixing plate is fixedly connected with a connecting column, and the top end of the connecting column is fixedly connected with a lower die block. Through the arrangement of the ejector rod, the movable plate, the movable blocks, the connecting rods and the first limiting rod, when the first motor starts to operate, the double-thread threaded rod starts to rotate, at the moment, the two movable blocks move in opposite directions under the limiting of the first limiting rod, at the moment, the two connecting rods rotate along with the movement of the movable blocks, and meanwhile, the two connecting rods move in the opposite directions. The other ends of the two connecting rods drive a movable plate, so that the movable plate, a hollow block and an ejector rod start to move upwards, finally, the ejector rod ejects residual materials in the lower die block to the position above the lower die block, the automatic ejection function of the residual materials is achieved, and the situation that the residual materials are clamped in the lower die block and difficult to take out is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to stamping die technical field, more specifically, the utility model relates to a workpiece processing stamping die. BACKGROUND

[0002] The stamping die is a special tool for stamping process, and the metal plate is subjected to pressure by a press machine, so that the metal plate is deformed or separated, thereby manufacturing a part with a required shape, the die is usually composed of an upper die, a lower die and a guide device, and the material is usually high-hardness and high-wear-resistance alloy steel, the stamping die has the characteristics of high precision, high efficiency and high consistency, and is widely used in the automobile, electronic, home appliance and other industries.

[0003] When operating personnel produce parts, the stamping die is often used to manufacture parts with a required shape, but the existing stamping die has basic processing functions, but after stamping, the remaining material is easily clamped in the lower die due to pressure, and it is difficult to directly take out, which greatly reduces the stamping production speed, so it needs to be improved. UTILITY MODEL CONTENTS

[0004] In order to overcome the defects of the prior art, the utility model provides a stamping die for workpiece processing, which has the advantages of automatically ejecting residual material.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a stamping die for workpiece processing, including lower die fixed plate, the upper surface of lower die fixed plate is connected with connecting column fixedly, the top of connecting column is connected with lower die module fixedly, the lower surface of lower die fixed plate is connected with material ejection rod movably, the top of material ejection rod is in turn penetrated through lower die fixed plate and lower die module and extends to the bottom of inner surface of lower die module, the bottom of material ejection rod is connected with hollow block fixedly, the upper surface of hollow block is connected with movable plate movably, the inner surface of movable plate and the outer surface of material ejection rod are movably sleeved, the front and rear ends of lower die fixed plate lower surface right side are both connected with No.

[0006] As a preferred technical scheme of the utility model, the rear surface of the first fixed plate is fixedly connected with a first limiting rod located at the left side of the double thread screw rod, the front end of the first limiting rod penetrates the first fixed plate and the moving block in sequence and extends to the front side of the first fixed plate, the outer surface of the first limiting rod and the inner surface of the moving block movably sleeve, and the lower surface of the lower mold fixed plate is fixedly connected with a coaming.

[0007] As a preferred technical scheme of the utility model, the inner surface of the hollow block is movably connected with a clamping block, the outer surface of the clamping block is fixedly connected with a driving strip, the outer surface of the driving strip is movably connected with a trapezoidal block, the outer surface of the trapezoidal block and the outer surface of the clamping block are movably connected, the number of the trapezoidal blocks is two, the outer surfaces of the two trapezoidal blocks are fixedly connected with U-shaped plates, and the upper surfaces of the clamping block, the trapezoidal block and the U-shaped plate are movably connected with the lower surface of the movable plate.

[0008] As a preferred technical scheme of the utility model, the left and right ends of the lower surface of the movable plate are fixedly connected with second fixed plates, and the right surface of the clamping block is movably connected with the right surface of the second fixed plate.

[0009] As a preferred technical scheme of the utility model, the left surface of the second fixed plate is fixedly connected with a second motor, the other end of the output shaft of the second motor is fixedly sleeved with a single thread screw rod, the right end of the single thread screw rod penetrates the second fixed plate and the U-shaped plate in sequence and extends to the right surface of the second fixed plate, and the outer surface of the single thread screw rod and the inner surface of the U-shaped plate are threadedly sleeved.

[0010] As a preferred technical scheme of the utility model, the left surface of the second fixed plate is fixedly sleeved with a second limiting rod located at the front side of the single thread screw rod, the right end of the second limiting rod penetrates the second fixed plate and the U-shaped plate in sequence and extends to the right surface of the second fixed plate, and the outer surface of the second limiting rod and the inner surface of the U-shaped plate are movably sleeved.

[0011] As a preferred technical scheme of the utility model, the upper surface of the lower mold fixed plate is fixedly connected with a guide column, the outer surface of the guide column is movably sleeved with an upper mold fixed plate, and the lower surface of the upper mold fixed plate is fixedly connected with an upper mold block.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] The utility model discloses a top material rod, movable plate, moving block, connecting rod and one limit rod are set up, when the first motor starts to operate, double thread screw rod will start to rotate, at this moment, two moving blocks will be limited to the opposite movement under the limit of one limit rod, at this moment, two connecting rods will rotate with the movement of moving block, at the same time, the other end of two connecting rods will drive movable plate, thereby making movable plate, hollow block and top material rod start to move upwards, finally, top material rod will top the surplus material in the lower module to the upper of lower module, thereby realizes the automatic ejection function of surplus material, avoids the emergence of the situation that surplus material is stuck in the lower module and is difficult to take out. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the utility model;

[0015] Figure 2 It is the structure schematic diagram of the bottom of the utility model;

[0016] Figure 3 It is the sectional structure schematic diagram of the top material rod of the utility model;

[0017] Figure 4 It is the sectional structure schematic diagram of the single thread screw rod of the utility model;

[0018] Figure 5 It is the structure schematic diagram of the driving strip of the utility model.

[0019] In the drawing: 1, lower die fixed plate;2, connecting column;3, lower module;4, top material rod;5, hollow block;6, movable plate;7, one fixed plate;8, first motor;9, double thread screw rod;10, moving block;11, connecting rod;12, one limit rod;13, clamping block;14, driving strip;15, trapezoidal block;16, U-shaped plate;17, second fixed plate;18, second motor;19, single thread screw rod;20, second limit rod;21, guide column;22, upper die fixed plate;23, upper module;24, coaming. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts fall within the protection scope of the utility model.

[0021] As Figures 1 to 5As shown, the utility model provides a stamping die of workpiece processing, including lower mould fixed plate 1, the upper surface fixed connection of lower mould fixed plate 1 has connecting column 2, the top fixed connection of connecting column 2 has lower module 3, the lower surface swing joint of lower mould fixed plate 1 has top material lever 4, the top of top material lever 4 in proper order penetrates lower mould fixed plate 1 and lower module 3 and extends to the bottom of lower module 3 inner surface, the bottom fixed connection of top material lever 4 has hollow block 5, the upper surface swing joint of hollow block 5 has movable plate 6, the inner surface of movable plate 6 and the outer surface of top material lever 4 swing sleeve joint, the front and rear both ends of lower mould fixed plate 1 lower surface right side all are fixedly connected with no. The downside fixed installation of no. One fixed plate 7 rear surface has no. One motor 8, and the other end fixed sleeve joint of no. One motor 8 output shaft has double thread screw rod 9, and the front end of double thread screw rod 9 penetrates no. One fixed plate 7 and extends to the front surface of no. One fixed plate 7, and the outer surface screw sleeve of double thread screw rod 9 has moving block 10, and the number of moving block 10 is two, and the left surface of two moving blocks 10 is all hinged with connecting rod 11, and the other end of connecting rod 11 and the right surface of movable plate 6 are hinged, when the operator starts no. One motor 8, double thread screw rod 9 will start rotating, at this moment, two moving blocks 10 will start moving towards each other, along with the movement of moving block 10, connecting rod 11 will start rotating, and the other end of connecting rod 11 will drive movable plate 6, so that movable plate 6, hollow block 5 and top material lever 4 start moving upwards.

[0022] Wherein, the rear surface of no. One fixed plate 7 is fixedly connected with no. One limiting rod 12 located at the left side of double thread screw rod 9, the front end of no. One limiting rod 12 penetrates no. One fixed plate 7 and moving block 10 in proper order and extends to the front side of no. One fixed plate 7, and the outer surface of no. One limiting rod 12 and the inner surface of moving block 10 swing sleeve joint, and the lower surface of lower mould fixed plate 1 is fixedly connected with the coaming 24, when two moving blocks 10 start moving towards each other, the design of no. One limiting rod 12 will limit the moving direction of two moving blocks 10, and the design of coaming 24 plays a protective role inside coaming 24.

[0023] Wherein, the inner surface of hollow block 5 swing joint has clamping block 13, the outer surface of clamping block 13 is fixedly connected with driving strip 14, the outer surface of driving strip 14 swing joint has trapezoidal block 15, and the outer surface of trapezoidal block 15 and the outer surface of clamping block 13 swing joint, and the number of trapezoidal block 15 is two, and the outer surface of two trapezoidal blocks 15 is all fixedly connected with U-shaped plate 16, and the upper surface of clamping block 13, trapezoidal block 15 and U-shaped plate 16 is all swing joint with the lower surface of movable plate 6, the design of U-shaped plate 16 makes U-shaped plate 16 and two trapezoidal blocks 15 move together, and the design of driving strip 14 makes trapezoidal block 15 move left and right, and two clamping blocks 13 move towards each other.

[0024] The left and right ends of the lower surface of the movable plate 6 are fixedly connected with the second fixed plate 17, and the right surface of the second fixed plate 17 is movably connected with the right surface of the clamping block 13.

[0025] The left surface of the second fixed plate 17 is fixedly connected with the second motor 18, the other end of the output shaft of the second motor 18 is fixedly sleeved with the single-threaded screw rod 19, the right end of the single-threaded screw rod 19 sequentially penetrates the second fixed plate 17 and the U-shaped plate 16 and extends to the right surface of the second fixed plate 17, and the outer surface of the single-threaded screw rod 19 is screwedly sleeved with the inner surface of the U-shaped plate 16.

[0026] The left surface of the second fixed plate 17 is fixedly sleeved with the second limiting rod 20 located at the front side of the single-threaded screw rod 19, the right end of the second limiting rod 20 sequentially penetrates the second fixed plate 17 and the U-shaped plate 16 and extends to the right surface of the second fixed plate 17, and the outer surface of the second limiting rod 20 is movably sleeved with the inner surface of the U-shaped plate 16.

[0027] The upper surface of the lower mold fixed plate 1 is fixedly connected with the guide column 21, the outer surface of the guide column 21 is movably sleeved with the upper mold fixed plate 22, and the lower surface of the upper mold fixed plate 22 is fixedly connected with the upper mold block 23.

[0028] The working principle and use process of the utility model are as follows:

[0029] First, the operator will be placed in the lower module 3 of the material to be processed and complete the stamping, at this time the remaining material will be stuck in the lower module 3 of the inside, at this time the operator starts a motor 8, with the operation of the motor 8, double thread screw rod 9 will start to rotate, and two moving blocks 10 will be driven by double thread screw rod 9 starts to move towards each other, at this time the connecting rod 11 will start to rotate with the movement of the moving block 10, and the other end of the connecting rod 11 will drive the movable plate 6, thereby the movable plate 6 and the hollow block 5 as a whole starts to move upwards, eventually with the movement of the ejector rod 4, the top of the ejector rod 4 will be the remaining material inside the lower module 3 to the upper part of the lower module 3, so as to facilitate the operator to take out the remaining material and the next stamping operation.

[0030] When the ejector rod 4 is damaged and cannot eject the remaining material, the operator starts the second motor 18, with the operation of the second motor 18, the single thread screw rod 19 will start to rotate, at this time the U-shaped plate 16 and the trapezoidal block 15 will move to the left along the outer surface of the second limiting rod 20, with the movement of the trapezoidal block 15, two clamping blocks 13 and driving strips 14 will start to move away from each other, eventually with the movement of the clamping block 13, the clamping block 13 will be out of contact with the inner surface of the hollow block 5, at this time the fixing of the hollow block 5 and the ejector rod 4 will be released, and the operator can pull out the hollow block 5 as a whole to replace it.

[0031] It should be noted that in this paper, such as first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0032] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A stamping die for working a workpiece comprising a lower die fixed plate (1), characterized in that: The upper surface of the lower mold fixed plate (1) is fixedly connected with a connecting column (2), the top end of the connecting column (2) is fixedly connected with a lower mold block (3), the lower surface of the lower mold fixed plate (1) is movably connected with a material pushing rod (4), the top end of the material pushing rod (4) penetrates the lower mold fixed plate (1) and the lower mold block (3) in sequence and extends to the bottom of the inner surface of the lower mold block (3), the bottom end of the material pushing rod (4) is fixedly connected with a hollow block (5), the upper surface of the hollow block (5) is movably connected with a movable plate (6), the inner surface of the movable plate (6) and the outer surface of the material pushing rod (4) are movably sleeved, the front and rear ends of the lower surface of the lower mold fixed plate (1) are fixedly connected with a first fixed plate (7), the lower side of the rear surface of the first fixed plate (7) is fixedly installed with a first motor (8), the other end of the output shaft of the first motor (8) is fixedly sleeved with a double-thread screw rod (9), the front end of the double-thread screw rod (9) penetrates the first fixed plate (7) and extends to the front surface of the first fixed plate (7), the outer surface of the double-thread screw rod (9) is threadedly sleeved with a moving block (10), the number of the moving block (10) is two, the left surface of the two moving blocks (10) is hingedly connected with a connecting rod (11), the other end of the connecting rod (11) and the right surface of the movable plate (6) are hingedly connected.

2. The stamping die for working a workpiece according to claim 1, characterized in that: The rear surface of the first fixed plate (7) is fixedly connected with a first limiting rod (12) located on the left side of the double-thread screw rod (9), the front end of the first limiting rod (12) penetrates the first fixed plate (7) and the moving block (10) in sequence and extends to the front side of the first fixed plate (7), the outer surface of the first limiting rod (12) and the inner surface of the moving block (10) are movably sleeved, the lower surface of the lower mold fixed plate (1) is fixedly connected with a surrounding plate (24).

3. The stamping die for working a workpiece according to claim 1, characterized in that: The inner surface of the hollow block (5) is movably connected with a clamping block (13), the outer surface of the clamping block (13) is fixedly connected with a driving strip (14), the outer surface of the driving strip (14) is movably connected with a trapezoidal block (15), the outer surface of the trapezoidal block (15) and the outer surface of the clamping block (13) are movably connected, the number of the trapezoidal block (15) is two, the outer surface of the two trapezoidal blocks (15) is fixedly connected with a U-shaped plate (16), the upper surfaces of the clamping block (13), the trapezoidal block (15) and the U-shaped plate (16) are movably connected with the lower surface of the movable plate (6).

4. The stamping die for working a workpiece according to claim 1, characterized in that: The left and right ends of the lower surface of the movable plate (6) are fixedly connected with a second fixed plate (17), the right side of the inner surface of the second fixed plate (17) and the right surface of the clamping block (13) are movably connected.

5. The stamping die for working a workpiece according to claim 4, characterized in that: The left surface of the second fixed plate (17) is fixedly installed with a second motor (18), the other end of the output shaft of the second motor (18) is fixedly sleeved with a single-thread screw rod (19), the right end of the single-thread screw rod (19) penetrates the second fixed plate (17) and the U-shaped plate (16) in sequence and extends to the right surface of the second fixed plate (17), the outer surface of the single-thread screw rod (19) and the inner surface of the U-shaped plate (16) are threadedly sleeved.

6. The stamping die for working a workpiece according to claim 4, characterized in that: The left surface of the second fixing plate (17) is fixedly sleeved with a second limiting rod (20) located at the front side of the single thread rod (19), the right end of the second limiting rod (20) penetrates the second fixing plate (17) and the U-shaped plate (16) in sequence and extends to the right surface of the second fixing plate (17), and the outer surface of the second limiting rod (20) and the inner surface of the U-shaped plate (16) are movably sleeved.

7. The stamping die for working a workpiece according to claim 1, characterized in that: The upper surface of the lower mold fixing plate (1) is fixedly connected with a guide column (21), the outer surface of the guide column (21) is movably sleeved with an upper mold fixing plate (22), and the lower surface of the upper mold fixing plate (22) is fixedly connected with an upper mold block (23).