Riveting structure in hardware stamping die

By designing the riveting structure of components such as hydraulic cylinders and clamping pins, the problem of difficult to quickly disassemble the riveting structure in the hardware stamping mold is solved, and rapid connection and disassembly are achieved, and working efficiency is improved.

CN223277056UActive Publication Date: 2025-08-29苏州勖祥精密科技有限公司
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Patent Information

Application Number
CN202422467426.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-08-29
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

The riveted structure in the existing hardware stamping die is difficult to disassemble and install quickly, affecting the efficiency of detection and replacement.

Method used

A riveted structure including hydraulic cylinder, support plate, piston, guide rod, connecting sleeve, clamp pin and spring is designed. The clamp pin is pulled by tool to compress the spring, and the sliding plate pushes the connecting block to quickly disassemble, and fixes the connecting block through the spring and the insert rod to achieve rapid connection and disassembly.

Benefits of technology

It realizes rapid disassembly and installation of hardware stamping dies, improves inspection and replacement work efficiency, and simplifies operation steps.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223277056U_ABST
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Abstract

The utility model discloses a hardware stamping die inner riveting structure, which comprises a lower die and an upper die, the top of the upper die is provided with a fixing assembly, the fixing assembly comprises a hydraulic cylinder and a support plate, the inner side of the hydraulic cylinder is provided with a stamping assembly, the stamping assembly comprises a piston and a guide rod, the top of the upper die is provided with a connecting assembly, and the connecting assembly is connected with the upper die. The connecting assembly comprises a connecting sleeve and a connecting block, an inner riveting assembly is installed on the inner side of the connecting sleeve, the inner riveting assembly comprises a clamping pin and a first spring, and a locking assembly is installed on the inner side of the upper die. The clamping pin compresses the spring and completely moves to the inner side of the clamping groove in the connecting sleeve, the second spring pushes the sliding plate, the sliding plate pushes the connecting block upwards, the connecting block is rapidly pushed out from the inner side of the connecting sleeve, then the upper die is conveniently and rapidly disassembled, and the disassembling and maintaining work efficiency of the hardware stamping die is improved. The device is suitable for quick connection and disassembly of the hardware stamping die.
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Description

Technical Field

[0001] The utility model relates to the technical field of in-mold riveting structure equipment, in particular to an in-mold riveting structure for a metal stamping die. Background Art

[0002] In order to ensure the operation of the metal stamping die, it is often necessary to regularly inspect and replace the various accessories of the metal stamping die, and then it is necessary to use an in-mold riveting structure to splice the various accessories of the metal stamping die. The utility model patent with patent application number CN202220988563.6 discloses a riveting structure in the metal stamping die. Its structure is simple. The hardware accessories are clamped by two clamping parts to prevent the hardware accessories from moving and avoid displacement during riveting. At the same time, the hardware accessories can be lifted. The combination of the two greatly improves production efficiency and is suitable for widespread promotion and use; and the structure is designed as an integral module, which is easy to disassemble and assemble, convenient and practical. According to the technical solution disclosed therein, the existing in-mold riveting structure design cannot be disassembled quickly when in use, which is not conducive to the rapid inspection and replacement of the various accessories of the metal stamping die. On the other hand, when installing and fixing, cumbersome operating steps are often required, which is not conducive to rapid installation and fixing.

[0003] Therefore, how to design a riveting structure inside a metal stamping die has become our current problem to be solved. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a riveting structure inside a metal stamping die to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable design and is relatively convenient to use. It is suitable for the quick connection and disassembly of metal stamping dies.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a riveting structure inside a hardware stamping die, comprising a lower die and an upper die, a fixing assembly being installed on the top of the upper die, the fixing assembly comprising a hydraulic cylinder and a support plate, a stamping assembly being installed on the inner side of the hydraulic cylinder, the stamping assembly comprising a piston and a guide rod, a connecting assembly being installed on the top of the upper die, the connecting assembly comprising a connecting sleeve and a connecting block, an internal riveting assembly being installed on the inner side of the connecting sleeve, the internal riveting assembly comprising a bayonet and a spring, a locking assembly being installed on the inner side of the upper die, the locking assembly comprising a slide plate and an insertion rod.

[0006] Furthermore, the upper die is clamped on the top of the lower die, the hydraulic cylinder is located on the top of the upper die, and the support plate is welded to the outer side of the hydraulic cylinder.

[0007] Furthermore, the piston is stuck in the inner side of the hydraulic cylinder, the top end of the guide rod is welded to the bottom of the piston, the bottom end of the guide rod passes through the hydraulic cylinder and extends to the bottom of the hydraulic cylinder, and the top of the connecting block is welded to the bottom end of the guide rod.

[0008] Furthermore, the connecting sleeve is integrally formed on the top of the upper mold, and the outer side of the connecting block is clamped on the inner wall of the connecting sleeve.

[0009] Furthermore, both sides of the connecting sleeve and the connecting block are provided with a slot, one end of the pin is stuck in the inner side of the slot in the connecting sleeve, and the other end of the pin extends to the inner side of the slot in the connecting block, and one end of the pin is connected to the inner wall of the slot in the connecting sleeve through a spring.

[0010] Furthermore, a slide groove is provided on the inner side of the upper die, the slide groove is located at the bottom of the sleeve, and the slide plate is clamped on the inner side of the slide groove.

[0011] Furthermore, the top of one side of the slide is clamped on the bottom of the connecting block, the bottom end of the insertion rod is welded to the top of the other side of the slide, and the top end of the insertion rod passes through the slide groove and extends to the bottom of the pin.

[0012] Furthermore, the bottom of the slide plate is connected to the inner wall of the bottom of the slide groove through a second spring, and a socket is provided at the bottom of the latch, and the socket cooperates with the insertion rod.

[0013] Beneficial effects: 1. When the riveting structure in the metal stamping die is in use, a tool is used to pass through the slot in the connecting sleeve and pull the bayonet outward. The bayonet compression spring is completely moved to the inside of the slot in the connecting sleeve. The spring pushes the slide plate, and the slide plate pushes the connecting block upward, so that the connecting block can be quickly pushed outward from the inside of the connecting sleeve, thereby facilitating and quickly disassembling the upper die, so that the upper die can be inspected and replaced later, thereby improving the efficiency of disassembly and maintenance of the metal stamping die.

[0014] 2. When the riveting structure in the hardware stamping die is in use, after the bayonet is completely pulled from the inner side of the slot in the connecting block to the inner side of the inner slot of the connecting sleeve, the connecting block limits the bayonet when it moves upward on the inner side of the connecting sleeve, and the spring 2 pushes the slide plate upward on the inner side of the slide groove, and the slide plate drives the insertion rod to be inserted into the inner side of the socket to fix the bayonet, and when the connecting block is reinserted into the inner side of the connecting sleeve, the connecting block squeezes the slide plate downward until the bottom of the connecting block is completely clamped at the bottom of the connecting sleeve, the slider compresses the spring 2 and drives the insertion rod to move downward from the inner side of the socket, and the spring 1 pushes the bayonet pin to be clamped into the inner side of the slot in the connecting block, so that the connecting block and the connecting sleeve can be quickly and safely fixed.

[0015] 3. The riveting structure inside the metal stamping die is reasonably designed, which is more efficient and convenient to use and is suitable for the rapid connection and disassembly of the metal stamping die. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of a riveting structure inside a metal stamping die of the utility model;

[0017] Figure 2 This is a cross-sectional view of a riveting structure within a metal stamping die according to the present invention;

[0018] Figure 3 This is a structural diagram of a connecting rod with a riveted structure in a metal stamping die according to the present invention;

[0019] In the figure: 1. Lower die; 2. Upper die; 3. Hydraulic cylinder; 4. Support plate; 5. Piston; 6. Guide rod; 7. Connecting sleeve; 8. Connecting block; 9. Slot; 10. Pin; 11. Spring 1; 12. Slide; 13. Slide plate; 14. Spring 2; 15. Insert rod; 16. Socket. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figures 1 to 3The utility model provides a technical solution: a riveting structure in a hardware stamping die, comprising a lower die 1 and an upper die 2, a fixing assembly is installed on the top of the upper die 2, the fixing assembly comprises a hydraulic cylinder 3 and a support plate 4, a stamping assembly is installed on the inner side of the hydraulic cylinder 3, the stamping assembly comprises a piston 5 and a guide rod 6, a connecting assembly is installed on the top of the upper die 2, the connecting assembly comprises a sleeve 7 and a connecting block 8, an inner riveting assembly is installed on the inner side of the sleeve 7, the inner riveting assembly comprises a bayonet 10 and a spring 11, a locking assembly is installed on the inner side of the upper die 2, the locking assembly comprises a slide plate 13 and a plug 15, a slot 9 is provided on both sides of the sleeve 7 and the connecting block 8, one end of the bayonet 10 is stuck in the inner side of the slot 9 in the sleeve 7, the other end of the bayonet 10 extends to the inner side of the slot 9 in the connecting block 8, and one end of the bayonet 10 is locked by a spring 11 The top of one side of the slide 13 is stuck in the bottom of the connecting block 8, and the bottom end of the insertion rod 15 is welded to the top of the other side of the slide 13. The top of the insertion rod 15 passes through the slide 12 and extends to the bottom of the latch 10. When in use, with the help of a tool, the slot 9 in the connecting sleeve 7 is passed through and the latch 10 is pulled outward. The latch 10 compresses the spring 11 and moves completely to the inner side of the slot 9 in the connecting sleeve 7. The spring 2 14 pushes the slide 13, and the slide 13 pushes the connecting block 8 upward, thereby quickly pushing the connecting block 8 out from the inner side of the connecting sleeve 7, thereby facilitating and quickly disassembling the upper mold 2, so that the upper mold 2 can be tested and replaced later, thereby improving the efficiency of disassembly and maintenance of the metal stamping die.

[0022] In this embodiment, the upper mold 2 is clamped on the top of the lower mold 1, the hydraulic cylinder 3 is located on the top of the upper mold 2, the support plate 4 is welded to the outer side of the hydraulic cylinder 3, the piston 5 is clamped on the inner side of the hydraulic cylinder 3, the top of the guide rod 6 is welded to the bottom of the piston 5, the bottom end of the guide rod 6 passes through the hydraulic cylinder 3 and extends to the bottom of the hydraulic cylinder 3, the top of the connecting block 8 is welded to the bottom end of the guide rod 6, the connecting sleeve 7 is integrally formed on the top of the upper mold 2, the outer side of the connecting block 8 is clamped on the inner wall of the connecting sleeve 7, the bottom of the slide plate 13 is connected to the inner wall of the bottom of the slide groove 12 through the spring 2 14, the bottom of the bayonet 10 is provided with a socket 16, the socket 16 cooperates with the insertion rod 15, and when the bayonet 10 is removed from the connecting block 8 When the inner side of the slot 9 is fully pulled to the inner side of the inner slot 9 of the connecting sleeve 7, the connecting block 8 limits the pin 10 when it moves upward on the inner side of the connecting sleeve 7, and the spring 2 14 pushes the slide plate 13 upward on the inner side of the slide groove 12, and the slide plate 13 drives the insertion rod 15 to be inserted into the inner side of the socket 16 to fix the pin 10, and when the connecting block 8 is reinserted into the inner side of the connecting sleeve 7, the connecting block 8 squeezes the slide plate 13 downward until the bottom of the connecting block 8 is completely clamped at the bottom of the connecting sleeve 7, the slider 13 compresses the spring 2 14 and drives the insertion rod 15 to move downward from the inner side of the socket 16, and the spring 11 pushes the pin 10 to be clamped into the inner side of the slot 9 in the connecting block 8, so that the connecting block 8 and the connecting sleeve 7 can be quickly and safely fixed.

[0023] When the riveting structure in the metal stamping die is in use, a tool is used to pass through the card slot 9 in the connecting sleeve 7 and pull the card pin 10 outward. The card pin 10 compresses the spring 11 and moves completely to the inner side of the card slot 9 in the connecting sleeve 7. The spring 2 14 pushes the slide plate 13, and the slide plate 13 pushes the connecting block 8 upward, thereby quickly pushing the connecting block 8 out from the inner side of the connecting sleeve 7, thereby facilitating and quickly disassembling the upper die 2, so that the upper die 2 can be tested and replaced later, thereby improving the efficiency of disassembly and maintenance of the metal stamping die. After the card pin 10 is completely pulled from the inner side of the card slot 9 in the connecting block 8 to the inner side of the inner card slot 9 of the connecting sleeve 7, the connecting block 8 is pushed upward. When the block 8 moves upward on the inner side of the sleeve 7, it limits the pin 10, and the spring 2 14 pushes the slide plate 13 upward on the inner side of the slide groove 12. The slide plate 13 drives the insertion rod 15 to be inserted into the inner side of the socket 16 to fix the pin 10. When the connecting block 8 is reinserted into the inner side of the sleeve 7, the connecting block 8 squeezes the slide plate 13 downward until the bottom of the connecting block 8 is completely clamped at the bottom of the sleeve 7. The slider 13 compresses the spring 2 14 and drives the insertion rod 15 to move downward from the inner side of the socket 16, and the spring 1 11 pushes the pin 10 to be clamped into the inner side of the slot 9 in the connecting block 8, so that the connecting block 8 and the sleeve 7 can be quickly and safely fixed.

[0024] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A metal stamping die internal riveting structure, comprising a lower die (1) and an upper die (2), wherein a fixing assembly is mounted on the top of the upper die (2), wherein the fixing assembly comprises a hydraulic cylinder (3) and a support plate (4), and a stamping assembly is mounted on the inner side of the hydraulic cylinder (3), wherein the stamping assembly comprises a piston (5) and a guide rod (6), and wherein: A connecting assembly is installed on the top of the upper mold (2), and the connecting assembly includes a connecting sleeve (7) and a connecting block (8). An inner riveting assembly is installed on the inner side of the connecting sleeve (7), and the inner riveting assembly includes a latch (10) and a spring (11). A locking assembly is installed on the inner side of the upper mold (2), and the locking assembly includes a slide plate (13) and an insert rod (15).

2. The metal stamping die in-die riveting structure according to claim 1, characterized in that: The upper die (2) is clamped on the top of the lower die (1), the hydraulic cylinder (3) is located on the top of the upper die (2), and the support plate (4) is welded to the outer side of the hydraulic cylinder (3).

3. The metal stamping die in-die riveting structure according to claim 2, characterized in that: The piston (5) is stuck in the inner side of the hydraulic cylinder (3), the top end of the guide rod (6) is welded to the bottom of the piston (5), the bottom end of the guide rod (6) passes through the hydraulic cylinder (3) and extends to the bottom of the hydraulic cylinder (3), and the top end of the connecting block (8) is welded to the bottom end of the guide rod (6).

4. The metal stamping die in-die riveting structure according to claim 3, characterized in that: The connecting sleeve (7) is integrally formed on the top of the upper mold (2), and the outer side of the connecting block (8) is clamped on the inner wall of the connecting sleeve (7).

5. The metal stamping die in-die riveting structure according to claim 1, characterized in that: Both sides of the connecting sleeve (7) and the connecting block (8) are provided with a card slot (9), one end of the card pin (10) is clamped inside the card slot (9) in the connecting sleeve (7), and the other end of the card pin (10) extends to the inside of the card slot (9) in the connecting block (8), and one end of the card pin (10) is connected to the inner wall of the card slot (9) of the connecting sleeve (7) through a spring (11).

6. The metal stamping die in-die riveting structure according to claim 5, characterized in that: A slide groove (12) is provided on the inner side of the upper mold (2), the slide groove (12) is located at the bottom of the sleeve (7), and the slide plate (13) is stuck on the inner side of the slide groove (12).

7. The metal stamping die in-die riveting structure according to claim 6, characterized in that: The top of one side of the slide plate (13) is clamped on the bottom of the connecting block (8), the bottom end of the insertion rod (15) is welded to the top of the other side of the slide plate (13), and the top end of the insertion rod (15) passes through the slide groove (12) and extends to the bottom of the latch (10).

8. The metal stamping die in-die riveting structure according to claim 7, characterized in that: The bottom of the slide plate (13) is connected to the inner wall of the bottom of the slide groove (12) through a second spring (14). The bottom of the latch (10) is provided with a socket (16), and the socket (16) is matched with the insertion rod (15).

Citation Information

Patent Citations

  • Riveting structure in hardware stamping die

    CN218051201U