Cold heading die for nut machining

Abstract

The utility model discloses a cold heading die for nut processing, which relates to the technical field of nut processing, and comprises an upper component and a lower component, the upper component comprises an upper fixing plate, the upper fixing plate is provided with an upper fixing hole, the lower part of the upper fixing plate is fixedly connected with a connecting plate, the lower part of the connecting plate is fixedly connected with a guide column, and the guide column is fixedly connected with a lower fixing hole. The middle part of the connecting plate is fixedly connected with a cold heading head; the lower assembly comprises a lower fixing plate, a lower fixing hole is formed in the lower fixing plate, and a lower die is fixedly connected to the upper portion of the lower fixing plate. Through the spring, the pushing block and the supporting edge, a nut product can be pushed out after cold heading operation, so that the nut product is conveniently taken out, the supporting edge can provide good supporting force, it is guaranteed that the quality of the cold heading product is good, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of nut processing, in particular to a cold heading die for nut processing. Background Art

[0002] The cold heading process utilizes the plastic deformation of metal under the action of external force, and uses the mold to redistribute and transfer the volume of the metal. Cold heading is usually used to manufacture parts such as nuts and bolts. The cold heading mold is the mold in the cold heading process.

[0003] In the prior art, the cold heading die includes an upper die and a lower die. However, the formed nut product is located inside the lower die, and it is not easy to take out the nut product, which is not convenient to use. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide a cold heading die for nut processing. Through the provision of springs, pushing blocks and supporting edges, the nut products can be pushed out after the cold heading operation, thereby facilitating the removal of the nut products. The supporting edges can provide good supporting force to ensure that the cold heading products are of good quality and easy to use.

[0005] One of the purposes of the utility model is achieved by the following technical scheme: a cold heading die for nut processing, comprising an upper component and a lower component, wherein the upper component comprises an upper fixing plate, wherein an upper fixing hole is provided on the upper fixing plate, a connecting plate is fixedly connected to the lower part of the upper fixing plate, a guide column is fixedly connected to the lower part of the connecting plate, and a cold heading head is fixedly connected to the middle part of the connecting plate; wherein the lower component comprises a lower fixing plate, wherein a lower fixing hole is provided on the lower fixing plate, a lower die is fixedly connected to the upper part of the lower fixing plate, a guide groove is provided on the upper part of the lower die, a forming groove is provided on the middle part of the lower die, a supporting edge is fixedly connected to the bottom of the forming groove, a spring is provided inside the forming groove and on the inner side of the supporting edge, and a push block is fixedly connected to the upper part of the spring. Through the provided spring, push block and supporting edge, the nut product can be pushed out after the cold heading operation, so as to facilitate the removal of the nut product, and the supporting edge can provide good supporting force, so as to ensure the good quality of the cold heading product and convenient use.

[0006] According to the cold heading die for nut processing, the number of the lower fixing holes is four and they are arranged axially symmetrically.

[0007] According to the cold heading die for nut processing, the number of the upper fixing holes is four and they are arranged axially symmetrically.

[0008] According to the cold heading die for nut processing, the pushing block and the middle boss of the lower die are slidably connected to each other.

[0009] According to the cold heading die for nut processing, the pushing block is located on the inner side of the supporting edge.

[0010] According to the cold heading die for nut processing, the cold heading head and the forming groove are adapted to each other.

[0011] According to the cold heading die for nut processing, the guide column and the guide groove are adapted to each other.

[0012] According to the cold heading die for nut processing, the number of the guide columns and the number of the guide grooves are both four, and they are axially symmetrically arranged.

[0013] Beneficial Effects

[0014] Compared with the prior art, the utility model can push the nut product out after the cold heading operation through the provision of springs, pushing blocks and supporting edges, thereby facilitating the removal of the nut product, and the supporting edges can provide good supporting force, ensuring that the quality of the cold heading product is good and easy to use.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a structural schematic diagram of a cold heading die for nut processing according to the utility model;

[0018] Figure 2 This is a schematic structural diagram of a lower component of a cold heading die for nut processing according to the utility model;

[0019] Figure 3 This is a schematic structural diagram of an upper component of a cold heading die for nut processing according to the utility model;

[0020] Figure 4 The utility model is a structural schematic diagram of the lower component of a cold heading die for nut processing in a disassembled state.

[0021] Legend:

[0022] 1. Upper component; 2. Lower component; 201. Lower fixing plate; 202. Lower fixing hole; 203. Lower mold; 204. Guide groove; 205. Push block; 206. Forming groove; 207. Spring; 208. Support edge; 101. Upper fixing hole; 102. Upper fixing plate; 103. Guide column; 104. Connecting plate; 105. Cold heading head. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-4 The utility model embodiment is a cold heading die for nut processing, which includes an upper component 1 and a lower component 2. The upper component 1 includes an upper fixing plate 102, and the upper fixing plate 102 is provided with upper fixing holes 101. The number of upper fixing holes 101 is four and they are axially symmetrically arranged. The lower part of the upper fixing plate 102 is fixedly connected with a connecting plate 104, and the lower part of the connecting plate 104 is fixedly connected with a guide column 103. The guide column 103 and the guide groove 204 are adapted to each other. The guide column 103 and the guide groove The number of the connecting plate 104 is four, and they are arranged axially symmetrically. The middle part of the connecting plate 104 is fixedly connected with a cold heading head 105, and the cold heading head 105 and the forming groove 206 are adapted to each other. The lower component 2 includes a lower fixing plate 201, and the lower fixing plate 201 is provided with a lower fixing hole 202. The number of the lower fixing holes 202 is four, and they are arranged axially symmetrically. The upper part of the lower fixing plate 201 is fixedly connected with a lower mold 203, and the upper part of the lower mold 203 is provided with a guide groove 204. The middle part of the lower mold 203 is fixedly connected with a lower mold 203. The bottom of the mold 203 is provided with a forming groove 206, the bottom of the forming groove 206 is fixedly connected with a supporting edge 208, the inside of the forming groove 206 and the inner side of the supporting edge 208 is provided with a spring 207, the upper part of the spring 207 is fixedly connected with a push block 205, the push block 205 and the middle convex column of the lower mold 203 are slidably connected to each other, the push block 205 is located on the inner side of the supporting edge 208, when in use, the original part to be cold headed is placed in the forming groove 206, the push block 205 provides support for the original part, and the push block 205 is provided on the outer side. Under the drive of the driving source, the cold heading head 105 is driven to move downward, and the cold heading head 105 applies pressure to the original part, squeezing the spring 207, so that the original part and the supporting edge 208 contact each other, and the upper surfaces of the push block 205 and the supporting edge 208 are flush with each other, so as to provide good support force for cold heading forming. After the product is formed, the cold heading head 105 moves upward under the action of the external driving source, and the spring 207 drives the push block 205 to move upward, so as to push the product out, so as to facilitate the removal of the cold heading product, and it is convenient to use. Through the provided spring 207, the push block 205, and the supporting edge 208, the nut product can be pushed out after the cold heading operation, so as to facilitate the removal of the nut product, and the supporting edge 208 can provide good support force, ensuring that the quality of the cold heading product is good and easy to use.

[0025] Working principle: When in use, the original part to be cold headed is placed in the forming groove 206, and the push block 205 provides support for the original part. Driven by the external driving source, the cold heading head 105 is driven to move downward, and the cold heading head 105 applies pressure to the original part, squeezing the spring 207. The original part and the supporting edge 208 are in contact with each other, and the upper surfaces of the push block 205 and the supporting edge 208 are flush with each other, thereby providing good supporting force for cold heading forming. After the product is formed, the cold heading head 105 moves upward under the action of the external driving source, and the spring 207 drives the push block 205 to move upward, thereby pushing the product out, making it convenient to take out the cold headed product, which is easy to use.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A cold heading die for nut processing, characterized in that: The invention comprises an upper component (1) and a lower component (2), wherein the upper component (1) comprises an upper fixing plate (102), the upper fixing plate (102) is provided with an upper fixing hole (101), the lower part of the upper fixing plate (102) is fixedly connected to a connecting plate (104), the lower part of the connecting plate (104) is fixedly connected to a guide column (103), and the middle part of the connecting plate (104) is fixedly connected to a cold heading head (105); the lower component (2) comprises a lower fixing plate (201), the lower fixing plate (201) is provided with a A lower fixing hole (202) is provided, the upper part of the lower fixing plate (201) is fixedly connected to a lower mold (203), the upper part of the lower mold (203) is provided with a guide groove (204), the middle part of the lower mold (203) is provided with a molding groove (206), the bottom of the molding groove (206) is fixedly connected to a supporting edge (208), a spring (207) is provided inside the molding groove (206) and on the inner side of the supporting edge (208), and the upper part of the spring (207) is fixedly connected to a pushing block (205).

2. A cold heading die for nut processing according to claim 1, characterized in that: There are four lower fixing holes (202) in number, and they are arranged axially symmetrically.

3. A cold heading die for nut processing according to claim 1, characterized in that: There are four upper fixing holes (101) in number, and they are arranged axially symmetrically.

4. A cold heading die for nut processing according to claim 1, characterized in that: The pushing block (205) and the central boss of the lower mold (203) are slidably connected to each other.

5. The cold heading die for nut processing according to claim 1, characterized in that: The pushing block (205) is located on the inner side of the supporting edge (208).

6. A cold heading die for nut processing according to claim 1, characterized in that: The cold heading head (105) and the forming groove (206) are adapted to each other.

7. A cold heading die for nut processing according to claim 1, characterized in that: The guide column (103) and the guide groove (204) are adapted to each other.

8. The cold heading die for nut processing according to claim 1, characterized in that: The number of the guide posts (103) and the number of the guide grooves (204) are both four, and they are arranged in an axisymmetric manner.

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