CN218555450U - Cold forming die assembly for car sleeve bolt - Google Patents
Cold forming die assembly for car sleeve bolt Download PDFInfo
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- CN218555450U CN218555450U CN202122631591.0U CN202122631591U CN218555450U CN 218555450 U CN218555450 U CN 218555450U CN 202122631591 U CN202122631591 U CN 202122631591U CN 218555450 U CN218555450 U CN 218555450U
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Abstract
The utility model relates to a cold forming die subassembly for car sleeve pipe bolt, characterized by: the method comprises a first-procedure die, a second-procedure die, a third-procedure die, a fourth-procedure die, a fifth-procedure die and a sixth-procedure die; the first-procedure die and the second-procedure die are used for primarily shaping a processing material, and the third-procedure die is used for deepening the length of a drawing hole by adopting a spring punching forward extrusion method through a lower die of the third-procedure die; the four-process die adopts a forward extrusion method to achieve the purposes of deforming the head of a product and reducing the thickness of waste materials; the five-procedure die adopts a forward extrusion method to process a through hole; the six-procedure die adopts the burnishing principle to process the hexagonal through hole, and the final formed product meeting the requirements is produced. The die assembly realizes the complete cold forging forming process of the car sleeve bolt, does not need machining and drilling, can realize high-efficiency production of composite special-shaped hole products by using the design of the die assembly, and completely meets the requirements of customers.
Description
Technical Field
The utility model relates to a car parts's production technical field specifically makes a car sleeve pipe bolt cold-heading mould subassembly.
Background
Generally, the bolt that the hole was fashioned is circular, however to car sleeve pipe bolt, it is the dysmorphism piece that round hole and dysmorphism hole combined together, to this type of part usually through follow-up machine tooling processing after the preliminary working to there is the problem that size deviation, technology are tedious easily appeared.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned defect, provide a car sleeve pipe bolt cold-heading mould subassembly, realize the course of working that car sleeve pipe bolt once fixed a position.
In order to achieve the above object, the present invention is realized as follows:
a cold forming die assembly of a car sleeve bolt comprises a first-process die, a second-process die, a third-process die, a fourth-process die, a fifth-process die and a sixth-process die; the first-procedure die and the second-procedure die are used for primarily shaping a processing material, and the third-procedure die is used for deepening the length of a drawing hole by adopting a spring punching forward extrusion method through a lower die of the third-procedure die; the four-process die adopts a forward extrusion method to achieve the purposes of deforming the head of a product and reducing the thickness of waste materials; the five-procedure die adopts a forward extrusion method to process a through hole; the six-procedure die adopts the burnishing principle to process the hexagonal through hole, and the final formed product meeting the requirements is produced.
The cold forming die assembly of the car sleeve bolt comprises an upper die push pipe and a lower die push pipe, wherein the center of the upper die push pipe and the center of the lower die push pipe are provided with through holes, the head of the upper die push pipe is provided with a taper, and the center through holes of the upper die push pipe and the lower die push pipe are respectively provided with a left-right moving push pipe.
The cold forming die assembly of the car sleeve bolt comprises a four-process die, wherein the four-process die comprises a lower die push pipe, a lower die ejector pin capable of moving left and right in a central through hole of the lower die push pipe and a lower die ejector pin pad form a cavity, and the cavity is mutually acted, so that the length of an inner hole is deepened.
The cold forming die assembly for the car sleeve bolt comprises a five-process die, wherein the five-process die comprises a lower die ejector sleeve, a lower die ejector pin capable of moving left and right in a central through hole of the lower die ejector sleeve and an upper die ejector sleeve, and the through hole with the diameter phi of 11.4 is punched under the action of the upper die ejector sleeve.
The cold forming die assembly for the car sleeve bolt comprises a six-process die, wherein the six-process die comprises a lower die push pipe, a lower die ejector pin capable of moving left and right in a central through hole of the lower die push pipe and an upper die push pipe, and hexagonal holes with the opposite sides of 12.14 are machined again on the basis of a bottom hole with the original diameter phi of 11.4.
In the cold forming die assembly of the car sleeve bolt, the lower die ejector pin is in movable fit with the lower die ejector tube, and the required size is formed by interaction in the lower die.
In the cold forming die assembly of the car sleeve bolt, the upper punch ejection sleeve is in movable fit with the upper punch die core, and the upper punch ejector pin is in static fit with the upper punch die core.
In the cold forming die assembly of the car sleeve bolt, the lower die ejector pin and the upper die ejector pin are made of hard alloy materials.
The die assembly realizes the complete cold forging forming process of the car sleeve bolt, does not need machining for drilling, can realize high-efficiency production of composite special-shaped hole products by using the design of the die set, completely meets the requirements of customers, has high product precision, can improve the production efficiency by multiple times, and saves a large amount of raw materials.
Drawings
Fig. 1 is a schematic structural diagram of three and four steps.
Fig. 2 is a schematic structural diagram of five and six steps.
Detailed Description
As shown in fig. 1 and 2, a cold forming die assembly for a car sleeve bolt comprises a first-process die, a second-process die, a third-process die, a fourth-process die, a fifth-process die and a sixth-process die; the first-procedure die and the second-procedure die are used for primary shaping of a processing material, and the third-procedure die is used for deepening the length of the drawing hole by adopting a spring punching forward extrusion method through a lower die of the third-procedure die; the four-process die adopts a forward extrusion method to achieve the purposes of deforming the head of a product and reducing the thickness of waste materials; the five-procedure die adopts a forward extrusion method to process a through hole; the six-procedure die adopts the burnishing principle to process the hexagonal through hole, and the final formed product meeting the requirements is produced.
The cold forming die assembly of the car sleeve bolt, the first-process die, the second-process grinding tool and the third-process die respectively comprise an upper die push pipe and a lower die push pipe, the centers of the upper die push pipe and the lower die push pipe are provided with through holes, the head of the upper punch push pipe is provided with a taper, and the upper die push pipe and the lower die push pipe are internally provided with push pipes which can move left and right.
The cold forming die assembly of the car sleeve bolt comprises a four-process die, wherein the four-process die comprises a lower die push pipe, a lower die ejector pin capable of moving left and right in a central through hole of the lower die push pipe and a lower die ejector pin pad form a cavity, and the cavity is mutually acted, so that the length of an inner hole is deepened.
The cold forming die assembly for the car sleeve bolt comprises a five-process die, wherein the five-process die comprises a lower die ejector sleeve, a lower die ejector pin capable of moving left and right in a central through hole of the lower die ejector sleeve and an upper die ejector sleeve, and through holes with the diameter phi of 11.4 are punched under the action of the upper die ejector pin.
The cold forming die assembly for the car sleeve bolt comprises a six-process die, wherein the six-process die comprises a lower die push pipe, a lower die ejector pin capable of moving left and right in a central through hole of the lower die push pipe and an upper die push pipe, and hexagonal holes with opposite sides of 12.14 are machined again on the basis of a bottom hole with the original diameter phi of 11.4.
In the cold forming die assembly of the car sleeve bolt, the lower die ejector pin is in movable fit with the lower die ejector tube, and the lower die ejector pin and the lower die ejector tube are interacted to form a required size.
In the cold forming die assembly of the car sleeve bolt, the upper punch ejection sleeve is in movable fit with the upper punch die core, and the upper punch ejector pin is in static fit with the upper punch die core.
In the cold forming die assembly of the car sleeve bolt, the lower die ejector pin and the upper die ejector pin are made of hard alloy materials.
The die assembly realizes the complete cold forging forming process of the car sleeve bolt, does not need machining and drilling, can realize high-efficiency production of composite special-shaped hole products by using the design of the die assembly, and completely meets the requirements of customers.
Claims (6)
1. The utility model provides a cold forming die subassembly of car sleeve bolt which characterized by: the method comprises a first-process die, a second-process die, a third-process die, a fourth-process die, a fifth-process die and a sixth-process die; wherein; the first-process die, the second-process die and the third-process die respectively comprise an upper die push pipe and a lower die push pipe, through holes are formed in the centers of the upper die push pipe and the lower die push pipe, ejector pins capable of moving left and right are arranged in the through holes in the centers of the upper die push pipe and the lower die push pipe respectively, and the heads of the ejector pins are provided with tapers.
2. The cold forming die assembly of the car sleeve bolt according to claim 1, characterized in that: the four-process die comprises a lower die push tube, a lower die thimble capable of moving left and right in a central through hole of the lower die push tube and a die cavity formed by the lower die thimble pad, wherein the interaction between the lower die thimble and the die cavity deepens the length of an inner hole.
3. The cold forming die assembly of the car sleeve bolt according to claim 1, characterized in that: the five-procedure die comprises a lower die ejector sleeve, a lower die ejector pin capable of moving left and right in a central through hole of the lower die ejector sleeve and an upper die ejector sleeve, and the through hole with the diameter phi of 11.4 is punched under the action of the upper die ejector sleeve.
4. The cold forming die assembly of a car sleeve bolt of claim 1, wherein: the six-process die comprises a lower die push tube, a lower die ejector pin capable of moving left and right in a central through hole of the lower die push tube and an upper die push tube, and a hexagonal hole with the opposite side of 12.14 is machined again on the basis of a bottom hole with the original diameter phi of 11.4.
5. The cold-forming die assembly for the car sleeve bolt according to any one of claims 1 to 4, wherein: the lower die ejector pin is movably matched with the lower die ejector sleeve, and the lower die ejector pin and the lower die ejector sleeve are mutually interacted to form the required size.
6. The cold-forming die assembly for the car sleeve bolt according to any one of claims 1 to 4, wherein: the lower die ejector pin and the upper die ejector pin are made of hard alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122631591.0U CN218555450U (en) | 2021-10-30 | 2021-10-30 | Cold forming die assembly for car sleeve bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122631591.0U CN218555450U (en) | 2021-10-30 | 2021-10-30 | Cold forming die assembly for car sleeve bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218555450U true CN218555450U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122631591.0U Active CN218555450U (en) | 2021-10-30 | 2021-10-30 | Cold forming die assembly for car sleeve bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218555450U (en) |
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2021
- 2021-10-30 CN CN202122631591.0U patent/CN218555450U/en active Active
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