Automatic cold-punching extrusion forming device for T-shaped nut
By introducing a demolding component and a snap-fit component into the T-nut cold stamping and extrusion forming device, the problem of mold jamming was solved, enabling convenient demolding and mold replacement, and improving production efficiency and ease of operation.
Patent Information
- Application Number
- CN202520761293.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-22
AI Technical Summary
Existing T-nuts are prone to getting stuck in the mold after cold stamping and extrusion, making them difficult to remove. This leads to frequent equipment downtime, affecting production efficiency and increasing the burden on operators.
The design includes a demolding assembly and a snap-fit assembly. The demolding assembly uses a cylinder to drive the upper mold to separate from the lower mold, and uses a guide rod and a movable plate to move the top block upward, pushing the extrusion plate to push out the raw material. The snap-fit assembly uses a snap-fit post and a spring to enable convenient installation and disassembly of the mold.
It enables a convenient demolding process, prevents raw materials from getting stuck in the mold, reduces equipment downtime, improves production efficiency, and simplifies mold replacement and maintenance.
Smart Images

Figure CN223801472U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of part manufacturing, especially relates to a T-shaped nut automatic cold punching extrusion forming device. BACKGROUND
[0002] As an important mechanical connecting piece, T-shaped nut is widely used in profile connection, equipment assembly and industrial production line. In recent years, cold punching extrusion forming technology gradually becomes the mainstream process of T-shaped nut manufacturing. The technology directly extrudes metal materials into shape through plastic deformation under cold state, which has the advantages of high production efficiency, high material utilization rate and good product strength.
[0003] In the prior art, the nut after extrusion forming is easy to be stuck in the mold, which is difficult to take out smoothly, time-consuming and laborious, not only increases the work burden of the operator, but also leads to frequent shutdown of the equipment, which seriously affects the production efficiency. UTILITY MODEL CONTENTS
[0004] In view of the deficiencies in the prior art, the utility model provides a T-shaped nut automatic cold punching extrusion forming device.
[0005] The embodiment of the utility model provides a T-shaped nut automatic cold punching extrusion forming device, which comprises:
[0006] An operating table is provided with a lower mold, and a mounting frame is fixedly arranged on the operating table, a gas cylinder is fixedly installed on the mounting frame, the output end of the gas cylinder is fixedly provided with a lifting plate, and the bottom of the lifting plate is provided with an upper mold;
[0007] A demolding assembly is arranged, which comprises a movable plate, a top block and an extrusion plate, a guide rod is fixedly arranged on the movable plate, the guide rod is slidingly arranged through the operating table and the lifting plate, a limiting block is fixedly arranged at the top of the guide rod, the top block is fixedly arranged on the movable plate, the extrusion plate is arranged in the lower mold, an active column is fixedly arranged at the bottom of the extrusion plate, the active column is slidingly arranged through the bottom of the lower mold, and a push plate is fixedly arranged at the bottom of the active column.
[0008] Further, limiting frames are fixedly arranged on the operating table and the bottom of the lifting plate, and the lower mold and the upper mold are arranged in abutment with the inner side of the same side limiting frame.
[0009] Further, buckle assemblies are arranged on the two sides of the limiting frame, the buckle assembly comprises a clamping column and a spring, the clamping column is slidingly arranged through one side of the limiting frame, a handle is fixedly arranged at the outer end of the clamping column, the spring is fixedly arranged on the inner side of the handle, and the other end of the spring is fixedly arranged on the limiting frame.
[0010] Furthermore, both sides of the lower mold and the upper mold are provided with slots, the locking post is configured to cooperate with the slots, and the inner end of the locking post is set with an inclined surface.
[0011] Furthermore, a through hole is provided through the operating platform, and the top block is disposed inside the through hole.
[0012] Furthermore, a support is fixedly installed at the bottom of the operating table.
[0013] Compared with the prior art, the present invention has the following beneficial effects:
[0014] 1. A demolding assembly is installed. After the raw material is extruded and formed, the upper mold is moved upward by the cylinder to separate from the lower mold. The top block is moved upward by the guide rod and the movable plate. Then, the extrusion plate is pressed upward by the push plate and the movable column, thereby pushing the raw material upward to demold it. This prevents the raw material from getting stuck in the lower mold, makes it easier to remove the raw material, avoids frequent machine shutdowns, reduces the workload of operators, and improves production efficiency.
[0015] 2. A snap-fit assembly is provided. By simultaneously pulling the handles outward on both sides of the snap-fit posts, they separate from the corresponding slots on the same side, allowing the lower or upper mold to be removed. Inserting the lower or upper mold into the corresponding limiting frame and engaging the snap-fit posts on both sides into the corresponding slots on the same side will then secure the lower or upper mold. The operation is simple and convenient, facilitating replacement and maintenance, and increasing its practicality.
[0016] In summary, this utility model is equipped with a demolding component, which can demold the extruded raw material to prevent it from getting stuck in the lower mold, making it easier to remove and improving production efficiency. It is also equipped with a snap-fit component, which can easily disassemble and assemble the lower and upper molds, making it convenient for replacement or maintenance and increasing its practicality. Attached Figure Description
[0017] Fig. 1 This is a perspective view of an automatic cold stamping and extrusion forming device for T-shaped nuts as described in an embodiment of this utility model.
[0018] Fig. 2 This is a cross-sectional view of the lower die in an automatic cold stamping and extrusion forming device for T-shaped nuts as described in an embodiment of this utility model.
[0019] Fig. 3 This is a three-dimensional schematic diagram of the demolding component in an automatic cold stamping and extrusion forming device for T-shaped nuts as described in an embodiment of this utility model.
[0020] In the above figure: 1 operation platform, 2 lower mold, 3 mounting bracket, 4 cylinder, 5 lifting plate, 6 upper mold, 7 clamping column, 8 handle, 9 spring, 10 clamping groove, 11 movable column, 12 extrusion plate, 13 push plate, 14 movable plate, 15 guide rod, 16 top block, 17 through hole, 18 limit frame. DETAILED DESCRIPTION
[0021] The technical solutions in the utility model are further described below with reference to the drawings and examples.
[0022] As Figs. 1-3 shown in the utility model embodiment, a T-shaped nut automatic cold-punching extrusion forming device is provided, which comprises:
[0023] The operation platform 1 is fixedly provided with a support at the bottom, and the support is used for supporting the operation platform 1. The operation platform 1 is provided with a lower mold 2. The operation platform 1 is fixedly provided with a mounting bracket 3. The mounting bracket 3 is fixedly installed with a cylinder 4. The output end of the cylinder 4 is fixedly provided with a lifting plate 5. The bottom of the lifting plate 5 is provided with an upper mold 6. The upper mold 6 and the lower mold 2 are cooperatively arranged and used for extruding and forming raw materials.
[0024] The operation platform 1 and the bottom of the lifting plate 5 are both fixedly provided with a limit frame 18. The lower mold 2 and the upper mold 6 are respectively arranged in abutment with the inner side of the same side limit frame 18. The limit frame 18 is used for limiting the lower mold 2 and the upper mold 6 and ensuring the stability of installation.
[0025] The limit frame 18 is provided with a buckle assembly on both sides. The buckle assembly comprises a clamping column 7 and a spring 9. The clamping column 7 is slidingly arranged through one side of the limit frame 18. The inner end of the clamping column 7 is arranged in an inclined surface, so that the inclined surface of the extruded clamping column 7 can extrude and push the clamping column 7 outward. The outer end of the clamping column 7 is fixedly provided with a handle 8. The handle 8 is used for pulling the clamping column 7. The spring 9 is fixedly arranged on the inner side of the handle 8. The other end of the spring 9 is fixedly arranged on the limit frame 18, so that the clamping column 7 is elastically connected with the limit frame 18 through the spring 9.
[0026] The lower mold 2 and the upper mold 6 are both provided with a clamping groove 10. The clamping column 7 is cooperatively arranged with the clamping groove 10, so that the clamping column 7 can be clamped into the same side clamping groove 10.
[0027] The demolding assembly comprises a movable plate 14, a top block 16 and an extrusion plate 12. The movable plate 14 is fixedly provided with a guide rod 15. The guide rod 15 is slidingly arranged through the operation platform 1 and the lifting plate 5. The guide rod 15 is used for guiding the movable plate 14. The top of the guide rod 15 is fixedly provided with a limit block. The limit block is used for limiting the guide rod 15. The top block 16 is fixedly arranged on the movable plate 14. The operation platform 1 is provided with a through hole 17. The top block 16 is arranged in the through hole 17.
[0028] The extrusion plate 12 is arranged in the lower mold 2, the extrusion plate 12 is movably arranged in the lower mold 2, so that the extrusion plate 12 can move up and down in the lower mold 2. The bottom of the extrusion plate 12 is fixedly provided with a movable column 11, and the movable column 11 is slidingly arranged through the bottom of the lower mold 2. The bottom of the movable column 11 is fixedly provided with a push plate 13.
[0029] The detailed working process of the utility model is as follows:
[0030] 1. When using, first, the raw materials are placed in the lower mold 2, then the lifting plate 5 is driven downward by the cylinder 4, and the upper mold 6 is driven downward, the raw materials are extruded and formed; then, the cylinder 4 drives the upper mold 6 to move upward, and the lower mold 2 is separated, and the movable plate 14 is driven upward by the guide rod 15, the movable plate 14 drives the top block 16 to move upward, the push plate 13 is pushed upward, the push plate 13 pushes the extrusion plate 12 upward through the movable column 11, the raw materials in the lower mold 2 are pushed upward to demold, and the raw materials are prevented from being stuck in the lower mold 2.
[0031] 2. When replacing, the handles 8 on both sides are pulled outward at the same time, the corresponding clamping columns 7 are driven to move outward, and are separated from the clamping grooves 10 on the same side, so that the lower mold 2 or the upper mold 6 can be taken out; then, the replaced lower mold 2 or upper mold 6 is inserted into the corresponding limiting frame 18, and the inclined surfaces of the clamping columns 7 are extruded, the clamping columns 7 are extruded and pushed outward, and the corresponding springs 9 are stretched, when the clamping grooves 10 on both sides are moved to be aligned with the clamping columns 7 on the same side, the clamping columns 7 are popped inward and reset under the elastic action of the corresponding springs 9, and then are clamped into the clamping grooves 10 on the same side, so that the lower mold 2 or the upper mold 6 can be fixed.
[0032] Finally, it is pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model and are not limited, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the utility model, and they should be covered in the scope of the claims of the utility model.
Claims
1. A device for automatically cold-punching and extrusion forming of a T-nut, characterized in that, Include: The operating platform (1), the lower mold (2) is arranged on the operating platform (1), the mounting frame (3) is fixedly arranged on the operating platform (1), the air cylinder (4) is fixedly installed on the mounting frame (3), the output end of the air cylinder (4) is fixedly provided with the lifting plate (5), and the bottom of the lifting plate (5) is provided with the upper mold (6); The demolding assembly comprises a movable plate (14), a top block (16) and an extrusion plate (12), the guide rod (15) is fixedly arranged on the movable plate (14), the guide rod (15) is slidably arranged through the operating platform (1) and the lifting plate (5), the top of the guide rod (15) is fixedly provided with a limiting block, the top block (16) is fixedly arranged on the movable plate (14), the extrusion plate (12) is arranged in the lower mold (2), the bottom of the extrusion plate (12) is fixedly provided with the movable column (11), the movable column (11) is slidably arranged through the bottom of the lower mold (2), and the bottom of the movable column (11) is fixedly provided with the push plate (13).
2. The automatic cold-punching and extrusion forming device for T-nuts according to claim 1, characterized in that, Wherein: The operating platform (1) and the bottom of the lifting plate (5) are fixedly provided with a limiting frame (18), and the lower mold (2) and the upper mold (6) are respectively arranged on the inner side of the same side limiting frame (18).
3. The automatic cold-punching and extrusion forming device for T-nuts according to claim 2, characterized in that, Wherein: The limiting frame (18) is provided with buckle assemblies on both sides, the buckle assemblies comprise a clamping column (7) and a spring (9), the clamping column (7) is slidably arranged through one side of the limiting frame (18), the outer end of the clamping column (7) is fixedly provided with a handle (8), the spring (9) is fixedly arranged on the inner side of the handle (8), and the other end of the spring (9) is fixedly arranged on the limiting frame (18).
4. The automatic cold-punching and extrusion forming device for T-nuts according to claim 3, characterized in that, Wherein: The lower mold (2) and the upper mold (6) are provided with clamping grooves (10) on both sides, the clamping column (7) is arranged in cooperation with the clamping grooves (10), and the inner end of the clamping column (7) is arranged in an inclined surface.
5. The automatic cold-punching and extrusion forming device for T-nuts according to claim 1, characterized in that, Wherein: The operating platform (1) is provided with a through hole (17), and the top block (16) is arranged in the through hole (17).
6. The automatic cold-punching and extrusion forming device for T-nuts according to claim 1, characterized in that, Wherein: The bottom of the operating platform (1) is fixedly provided with a support.