Sheet metal strip bending and stamping die

By designing an adjustable sheet metal strip bending stamping die, the problem of the die being unable to adapt to product design changes was solved, the die was stably installed and processed with high precision on different stamping machines, and the company's time and cost investment was reduced.

CN223352608UActive Publication Date: 2025-09-19JIANGSU TAICANG FUYUAN PRECISION TOOLING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422381187.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-09-19
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

Existing sheet metal strip bending and stamping dies cannot adapt to new shape, size and process requirements when product design changes, causing companies to redesign and manufacture dies, increasing time and costs.

Method used

A sheet metal strip bending stamping die was designed. The die consists of two independent shells, a rotating rod, an arc column, and a circular forming tool. The die can be flexibly installed and fixed through a rotating valve and a bevel gear system to ensure stable use on different stamping machines.

Benefits of technology

The mold can adapt to punching machines of different sizes, improving processing accuracy and stability, and reducing repeated design and manufacturing costs caused by design changes.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223352608U_ABST
    Figure CN223352608U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of stamping, and discloses a sheet metal material strip bending stamping die which comprises a first shell, the left side and the right side of the top end of the first shell are fixedly connected with top plates, the inner sides of the two top plates are slidably connected with sliding blocks, and the front sides and the rear sides of the top ends of the two sliding blocks are fixedly connected with positioning columns. Rotating rods are rotationally connected to the left side and the right side of the inner wall of the first shell correspondingly, a bending forming tool is fixedly connected to the adjacent sides of the multiple rotating rods, a second shell is arranged at the bottom of the outer wall of the first shell, and arc-shaped columns are fixedly connected to the left side and the right side of the inner wall of the second shell correspondingly; and the adjacent sides of the two arc-shaped columns are rotationally connected with circular forming tools. According to the bending and circular forming device, the first shell and the second shell form a relatively independent structural system, the arc-shaped column and the circular forming tool are arranged in the second shell, the bending and circular forming functions are achieved respectively, and different punching machines can be replaced for installation and use.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of stamping, in particular to a sheet metal strip bending stamping die. Background Art

[0002] Sheet metal strip is a long strip of material formed by cutting and stamping metal sheets. Common sheet metal strip materials include steel, aluminum and stainless steel. Through precise processing technology, the thickness of the sheet metal strip can maintain a high degree of uniformity to ensure the stability of product quality, so sheet metal strip bending and stamping dies are needed.

[0003] Sheet metal strip bending and stamping dies. In the fields of automobiles, electronic products and home appliances, the dimensional accuracy of sheet metal parts directly affects the assembly quality and performance of the products. Sheet metal strip bending and stamping dies can achieve high-precision bending and stamping of sheet metal strips through precise design and manufacturing.

[0004] Modern molds consist of two parts, an upper mold and a lower mold. Pressure is applied by a stamping machine, so that the punch and die of the upper mold interact with the punch of the lower mold to achieve bending and stamping operations on sheet metal strips. When the product design changes, the mold cannot be replaced and cannot adapt to the new shape, size and process requirements. This forces the company to redesign and manufacture the entire mold, increasing time and cost investment. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a sheet metal strip bending and stamping die, which aims to improve the problem that when the product design changes, the die cannot be replaced and cannot adapt to the new shape, size and process requirements, which causes the company to have to redesign and manufacture the entire die, increasing time and cost investment.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sheet metal strip bending stamping die, comprising a shell one, the left and right sides of the top of the shell one are fixedly connected to a top plate, the inner sides of the two top plates are slidably connected to a slider one, the front and rear sides of the tops of the two sliders one are fixedly connected to a positioning column, the left and right sides of the inner wall of the shell one are rotatably connected to a rotating rod, the adjacent sides of the multiple rotating rods are fixedly connected to a bending forming tool, the bottom of the outer wall of the shell one is provided with a shell two, the left and right sides of the inner wall of the shell two are fixedly connected to an arc column, and the space between the adjacent two arc columns is large. The two ends of the outer wall of the two-way threaded rod are both threadedly connected to a moving rod, and the moving rod passes through the two-way threaded rod and is fixedly connected to the arc column. The left and right ends of the outer wall of the two-way threaded rod are both threadedly connected to the moving rod, and the moving rod passes through the two-way threaded rod and is fixedly connected to the arc column. The left and right sides of the bottom end of the two-way threaded rod are both fixedly connected to baffles. The inner wall of the one shell is provided with a fixing mechanism, and the fixing mechanism is used to fix the punching press.

[0007] As a further description of the above technical solution:

[0008] The fixing mechanism includes a rotating valve 2, which is fixedly connected to the bottom end of the front side of the protective shell 1. The rotating valve 2 penetrates the shell 1 and is rotatably connected to the bevel gear 1. The left and right sides of the bevel gear 1 are fixedly connected to the bevel gear 2. The two bevel gears 2 are fixedly connected to the opposite sides with a threaded rod. The outer walls of the two threaded rods are threadedly connected to the threaded sleeve rod. The rear ends of the outer walls of the two threaded sleeve rods are fixedly connected to the fixed column 1. The other ends of the two fixed columns 1 are fixedly connected to the movable column. The inner sides of the two movable columns are slidably connected to the fixed column 2. The two fixed columns 2 are slidably connected to the threaded sleeve rod through the fixed column 1.

[0009] As a further description of the above technical solution:

[0010] The bottom of the inner wall of the shell 1 is fixedly connected with a square block, the front and rear sides of the inner wall of the square block are fixedly connected with spring 1, and the tops of the two springs 1 are fixedly connected with pressure plates.

[0011] As a further description of the above technical solution:

[0012] Grooves are provided on the front and rear sides of the bottoms of the two circular forming tools, and shock-absorbing pads are fixedly connected to the inner walls of the two grooves.

[0013] As a further description of the above technical solution:

[0014] A protective shell 2 is provided at the bottom of the outer wall of the outer shell 2, and a slider 2 is fixedly connected to the front and rear sides of the top inner wall of the protective shell 2. A sliding groove is provided on the front and rear sides of the bottom outer wall of the protective shell 2, and the slider 2 is slidably connected to the sliding groove.

[0015] As a further description of the above technical solution:

[0016] The left and right sides of the bottom of the protective shell 1 are fixedly connected with fixing plates, the right sides of the outer walls of the two fixing plates are fixedly connected with screws, and the protective shell 1 is threadedly connected to the outer shell 2 through the screws.

[0017] As a further description of the above technical solution:

[0018] The front and rear sides of the inner walls of the two first sliding blocks are both fixedly connected with springs 2, and the springs 2 are fixedly connected to the positioning posts.

[0019] As a further description of the above technical solution:

[0020] The bottom of the first shell is provided with card slots around the periphery, and the top of the second shell is fixedly connected with buckles around the periphery, and the buckles are engaged with the card slots.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the present invention, the housing 1 and the housing 2 form a relatively independent structural system. The top plate at the top of the housing 1 is designed to be slidably connected to the slider, so that the mold can be installed on punching machines of different sizes. The rotating rod and bending forming tool in the housing 1, as well as the arc column and circular forming tool in the housing 2, respectively realize the functions of bending and circular forming, and can be replaced with different punching machines for installation and use.

[0023] 2. In the utility model, the rotary valve 2 is located at the bottom end of the front side of the protective shell 1, and is easy to operate. When it rotates, it drives the bevel gear 1 to rotate, thereby causing the bevel gear 2 and the threaded rod fixedly connected thereto to rotate. The threaded sleeve moves under the action of the threaded rod, and pushes the movable column through the fixed column 1. The movable column slides along the fixed column 2, so that the fixing mechanism greatly enhances the stability of the mold installed on the punching machine, which can effectively prevent the mold from being displaced or shaken during the punching process, ensuring the processing accuracy and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of the sheet metal strip bending and stamping die proposed in the present invention;

[0025] Figure 2 This is a front view of the sheet metal strip bending and stamping die proposed in the present utility model;

[0026] Figure 3This is a partial structural analysis diagram of the sheet metal strip bending and stamping die proposed in the present utility model;

[0027] Figure 4 This is a diagram showing the fixing mechanism of the sheet metal strip bending and stamping die proposed in the present invention;

[0028] Figure 5 This is a partial structural analysis diagram of the sheet metal strip bending and stamping die proposed in the present utility model;

[0029] Figure 6 This is a schematic diagram of the partial structure of the sheet metal strip bending and stamping die proposed in the present invention.

[0030] Legend:

[0031] 1. Shell 1; 2. Fixing mechanism; 201. Rotating valve 2; 202. Bevel gear 1; 203. Bevel gear 2; 204. Threaded rod; 205. Threaded sleeve; 206. Fixed column 1; 207. Moving column; 208. Fixed column 2; 3. Top plate; 4. Slider 1; 5. Positioning column; 6. Bending mold; 7. Rotating rod; 8. Shell 2; 9. Arc column; 10. Moving rod; 11. Bidirectional threaded rod; 12. Rotating valve 1; 13. Circular mold; 14. Baffle; 15. Protective shell 1; 16. Square block; 17. Spring 1; 18. Pressure plate; 19. Groove; 20. Shock-absorbing pad; 21. Slider 2; 22. Slide; 23. Protective shell 2; 24. Fixed plate; 25. Screw; 26. Spring 2; 27. Buckle; 28. Slot. DETAILED DESCRIPTION

[0032] 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.

[0033] Reference Figure 1 、 Figure 2 and Figure 3The utility model provides an embodiment: a sheet metal strip bending stamping die, including a shell 1, the top left and right sides of the shell 1 are fixedly connected to a top plate 3, the inner sides of the two top plates 3 are slidably connected to a slider 4, the top front and rear sides of the two sliders 4 are fixedly connected to a positioning column 5 for adjusting the corresponding size, the left and right sides of the inner wall of the shell 1 are rotatably connected to a rotating rod 7, the adjacent sides of the multiple rotating rods 7 are fixedly connected to a bending forming tool 6 for bending the die, the outer wall bottom of the shell 1 is provided with a shell 2 8, the left and right sides of the inner wall of the shell 2 8 are fixedly connected to an arc column 9, and the adjacent two arc columns 9 are rotatably connected to a circular forming tool 13 , used for circular forming function, the rear end of the outer wall of the outer shell 2 8 is fixedly connected with a protective shell 15 for protection, the inner side of the protective shell 15 is rotatably connected with a two-way threaded rod 11, the left end of the two-way threaded rod 11 is fixedly connected with a rotary valve 12 for manual rotation by the staff, the rotary valve 12 passes through the protective shell 15 and is fixedly connected to the two-way threaded rod 11, the left and right ends of the outer wall of the two-way threaded rod 11 are threadedly connected with a moving rod 10, the moving rod 10 passes through the outer shell 2 8 and is fixedly connected to the arc column 9, the left and right sides of the bottom end of the outer shell 2 8 are fixedly connected with a baffle 14, the inner wall of the outer shell 1 is provided with a fixing mechanism 2, the fixing mechanism 2 is used to fix the punch press;

[0034] Specifically, the top plate 3 is fixed to the top of the shell 1, and the slider 4 is slidably connected to the top plate 3 to adjust the position of the mold. The size of the mold is adjusted by the positioning column 5 on the slider 3 to ensure that it can adapt to sheet metal strips of different thicknesses. The rotating rod 7 is connected to the bending mold 6. Through the rotation of the rotating rod 7, the bending mold 6 will move accordingly, thereby realizing the bending of the sheet metal strip. Inside the shell 2 8, the rotation connection between the arc column 9 and the circular mold 13 allows circular shape processing. The staff controls the movement of the bidirectional threaded rod 11 by manually turning the rotating valve 12. The rotation of the bidirectional threaded rod 11 causes the corresponding movement of the moving rod 10, thereby adjusting the position of the mold to adapt to different processing requirements.

[0035] Reference Figure 1 、 Figure 2 and Figure 4, the fixing mechanism 2 includes a rotating valve 201, which is fixedly connected to the bottom end of the front side of the shell 1, and the rotating valve 201 passes through the shell 1 and is rotatably connected to a bevel gear 202 for rotation adjustment. The left and right sides of the bevel gear 202 are fixedly connected to a bevel gear 203, and the two bevel gears 203 are fixedly connected to the opposite sides thereof with a threaded rod 204 for driving movement. The outer walls of the two threaded rods 204 are threadedly connected to a threaded sleeve 205, which moves when rotated. The outer wall rear ends of the two threaded sleeves 205 are fixedly connected to a fixed column 206, which drives a moving column 207. The other ends of the two fixed columns 206 are fixedly connected to a moving column 207. The inner sides of the two moving columns 207 are slidably connected to a fixed column 208, and the two fixed columns 208 are slidably connected to the threaded sleeve 205 through the fixed column 206;

[0036] Specifically, the rotary valve 201 serves as the control core of the entire system and is fixed at the bottom end of the front side of the shell 1. It is responsible for starting and adjusting the system. The bevel gear 1 202 is connected to the rotary valve 201 and realizes the adjustment action by rotation. The left and right sides of the bevel gear 203 are fixedly connected with a bevel gear 1 202 to transmit the rotation. When the rotary valve 201 is operated, the bevel gear 1 202 rotates accordingly. A threaded rod 204 is fixed on one side of each bevel gear 203. Due to the relative rotation between the gears, the threaded rod 204 produces linear movement. A threaded rod 204 is fixed on one side of each bevel gear 203. Due to the relative rotation between the gears, the threaded rod 204 produces linear movement. The inner side of the movable column 207 is slidably connected to the fixed column 208. The fixed column 208 forms a sliding fit with the threaded sleeve 205 through the fixed column 1 206, so that the movable column 207 can achieve more flexible displacement.

[0037] Reference Figure 3 、 Figure 4 and Figure 5 , the bottom of the inner wall of the shell 1 is fixedly connected with a square block 16, and the front and rear sides of the inner wall of the square block 16 are fixedly connected with a spring 17. The top of the two springs 17 is fixedly connected with a pressure plate 18, which is used to reduce the impact force of the punching machine. The front and rear sides of the bottom of the two circular forming tools 13 are provided with grooves 19. The inner walls of the two grooves 19 are fixedly connected with shock-absorbing pads 20 to reduce the impact force. A protective shell 23 is provided at the bottom of the outer wall of the shell 2 8. The front and rear sides of the inner wall of the top of the protective shell 23 are fixedly connected with a slider 21 for detachableness. The front and rear sides of the outer wall of the bottom of the protective shell 23 are provided with a slide groove 22, and the slider 21 is slidably connected to the slide groove 22;

[0038] Specifically, the square block 16 is fixed at the bottom of the inner wall as a load-bearing and supporting component. There is one on each side of the front and rear sides of the spring 17, which plays a role in buffering and shock absorption. The pressure plate 18 is connected to the top of the two springs 17. Through the compression and extension of the spring 17, the direct impact of the impact force on the equipment is reduced. The groove 19 is located on the front and rear sides of the forming mold to ensure cooperation with the shock-absorbing pad 20. The shock-absorbing pad 20 is fixed on the inner wall of the groove 19 to further absorb and dissipate the impact force. The protective shell 23 is set at the bottom of the outer wall of the outer shell 28 to protect the internal components. The slider 21 is fixedly connected to the front and rear sides of the top inner wall of the protective shell 23 to facilitate disassembly and maintenance.

[0039] Reference Figure 3 、 Figure 4 and Figure 6 The left and right sides of the bottom of the protective shell 15 are fixedly connected with fixing plates 24. The right sides of the outer walls of the two fixing plates 24 are fixedly connected with screws 25 for strengthening the fixation. The protective shell 15 is threadedly connected to the outer shell 2 8 through the screws 25. The front and rear sides of the inner walls of the two sliders 4 are fixedly connected with springs 26. The springs 26 are fixedly connected to the positioning columns 5 for buffering the pressure. The bottom of the outer shell 1 is provided with slots 28. The top of the outer shell 8 is fixedly connected with buckles 27. The buckles 27 are engaged with the slots 28 for locking and fixing.

[0040] Specifically, the fixing plates 24 are located on the left and right sides of the bottom of the protective shell 15 to enhance the stability and durability of the protective shell 15. The screws 25 are fixed to the right side of the outer wall of the two fixing plates 24 to further strengthen the connection between the protective shell 15 and the outer shell 2 8 to ensure a firm connection and prevent loosening. The front and rear sides of the inner wall of the slider 4 are fixedly connected with springs 26. The springs 26 are fixedly connected to the positioning columns 5 to effectively absorb and buffer vibrations caused by pressure changes and protect the internal components of the device. The slots 28 are opened around the bottom of the outer shell 1 to cooperate with the buckles 27 on the top of the outer shell 2 8. The buckles 27 are fixedly connected around the top of the outer shell 2 8 and are designed to engage with the slots 28.

[0041] Working principle: The top plate 3 is fixed to the top of the shell 1 to enhance the overall stability and provide support for the slider. The slider 4 is slidably connected to the top plate to adjust the height and bending angle of the mold. The positioning column 5 is fixed to the top of the slider to accurately adjust the corresponding size to ensure bending accuracy. The rotating rod 7 is set on the left and right sides and is rotatably connected to the inner wall of the shell 1. The outer wall is fixed with a bending mold 6. The shell 2 8 is fixed to the bottom of the shell 1 to provide additional support. The arc column 9 is connected to the inner wall of the shell 2 8 to provide position support for circular molding. The circular molding tool 13 is rotatably connected to the adjacent side of the arc column 9 to realize circular processing of sheet metal. The protective shell 15 is fixed to the rear end of the shell 2 8 to protect the internal components from damage. The two-way threaded rod 11 is connected to the protective shell 15. A rotating valve 12 is fixed on the left end for staff operation. The rotating valve 12 passes through the protective shell 15 and is fixedly connected to the two-way threaded rod 11, which is convenient for manual adjustment of the height or position of the mold.

[0042] The rotary valve 201 is used as the core of the entire control system and is responsible for starting and adjusting the operation of the mold. The rotary valve 201 is fixed at the bottom end of the front side of the protective shell 15, and plays the role of a control system to start and adjust the working status of other components. The bevel gear 1 202 is directly connected to the rotary valve 201, and realizes its own rotation through the operation of the rotary valve 201, thereby driving the rotation of the bevel gear 203. The left and right sides of the bevel gear 203 are fixed on both sides of the bevel gear 1 202, and are responsible for transmitting the rotation to the threaded rod 204. The inner side of the movable column 207 is slidably connected with the fixed column 208, so that the movable column 207 can move freely in the fixed column 208. The fixed column 208 forms a sliding fit with the threaded sleeve 205 through the fixed column 1 206, so that the movable column 207 can be flexibly displaced within a larger range.

[0043] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sheet metal strip bending and stamping die, comprising a housing (1), characterized in that: The top left and right sides of the shell one (1) are fixedly connected to a top plate (3), the inner sides of the two top plates (3) are slidably connected to a slider one (4), the front and rear sides of the tops of the two sliders one (4) are fixedly connected to a positioning column (5), the left and right sides of the inner wall of the shell one (1) are rotatably connected to a rotating rod (7), the adjacent sides of the plurality of rotating rods (7) are fixedly connected to a bending forming tool (6), the bottom of the outer wall of the shell one (1) is provided with a shell two (8), the left and right sides of the inner wall of the shell two (8) are fixedly connected to an arc column (9), the adjacent two arc columns (9) are rotatably connected to a circular forming tool (13), the rear end of the outer wall of the shell two (8) is fixedly connected to A protective shell (15) is provided, wherein the inner side of the protective shell (15) is rotatably connected to a bidirectional threaded rod (11), the left end of the bidirectional threaded rod (11) is fixedly connected to a rotary valve (12), the rotary valve (12) passes through the protective shell (15) and is fixedly connected to the bidirectional threaded rod (11), the left and right ends of the outer wall of the bidirectional threaded rod (11) are both threadedly connected to a moving rod (10), the moving rod (10) passes through the outer shell (8) and is fixedly connected to the arc column (9), the left and right sides of the bottom end of the outer shell (8) are fixedly connected to a baffle (14), the inner wall of the outer shell (1) is provided with a fixing mechanism (2), and the fixing mechanism (2) is used to fix the punching machine.

2. The sheet metal strip bending stamping die according to claim 1, characterized in that: The fixing mechanism (2) includes a rotary valve 2 (201), the rotary valve 2 (201) is fixedly connected to the front bottom end of the housing 1 (1), the rotary valve 2 (201) passes through the housing 1 (1) and is rotatably connected to the bevel gear 1 (202), the left and right sides of the bevel gear 1 (202) are fixedly connected to the bevel gear 2 (203), the two bevel gears 2 (203) are fixedly connected to the far side thereof with a threaded rod (204), and the two bevel gears 2 (203) are fixedly connected to the far side thereof. The outer wall of the threaded rod (204) is threadedly connected to the threaded sleeve rod (205), the rear ends of the outer walls of the two threaded sleeve rods (205) are fixedly connected to the fixed column 1 (206), the other ends of the two fixed columns 1 (206) are fixedly connected to the movable column (207), the inner sides of the two movable columns (207) are slidably connected to the fixed column 2 (208), and the two fixed columns 2 (208) are slidably connected to the threaded sleeve rod (205) through the fixed column 1 (206).

3. The sheet metal strip bending stamping die according to claim 1, characterized in that: The bottom of the inner wall of the shell (1) is fixedly connected to a square block (16), the front and rear sides of the inner wall of the square block (16) are fixedly connected to springs (17), and the tops of the two springs (17) are fixedly connected to pressure plates (18).

4. The sheet metal strip bending stamping die according to claim 1, characterized in that: Grooves (19) are provided on the front and rear sides of the bottoms of the two circular forming tools (13), and shock-absorbing pads (20) are fixedly connected to the inner walls of the two grooves (19).

5. The sheet metal strip bending stamping die according to claim 1, characterized in that: A protective shell 2 (23) is provided at the bottom of the outer wall of the outer shell 2 (8), and a slider 2 (21) is fixedly connected to the front and rear sides of the top inner wall of the protective shell 2 (23). A sliding groove (22) is provided at the front and rear sides of the bottom outer wall of the outer shell 2 (8), and the slider 2 (21) is slidably connected to the sliding groove (22).

6. The sheet metal strip bending and stamping die according to claim 1, characterized in that: The left and right sides of the bottom of the protective shell 1 (15) are fixedly connected with fixing plates (24), the right sides of the outer walls of the two fixing plates (24) are fixedly connected with screws (25), and the protective shell 1 (15) is threadedly connected to the outer shell 2 (8) through the screws (25).

7. The sheet metal strip bending stamping die according to claim 1, characterized in that: The front and rear sides of the inner walls of the two sliders (4) are both fixedly connected with springs (26), and the springs (26) are fixedly connected to the positioning posts (5).

8. The sheet metal strip bending and stamping die according to claim 1, characterized in that: The bottom of the first shell (1) is provided with card slots (28) on all sides, and the top of the second shell (8) is fixedly connected with buckles (27) on all sides, and the buckles (27) are engaged with the card slots (28).