CN211803638U - Pin cold heading processing die - Google Patents

Pin cold heading processing die Download PDF

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Publication number
CN211803638U
CN211803638U CN201922355952.6U CN201922355952U CN211803638U CN 211803638 U CN211803638 U CN 211803638U CN 201922355952 U CN201922355952 U CN 201922355952U CN 211803638 U CN211803638 U CN 211803638U
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China
Prior art keywords
die
alloy cavity
cavity
alloy
main
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CN201922355952.6U
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Chinese (zh)
Inventor
齐宏福
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Dalian Demaishi Precision Technology Co ltd
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Dalian Demaishi Precision Technology Co ltd
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Abstract

The cold heading processing die for the pin shaft comprises a main die and a punching die, wherein the main die and the punching die are respectively installed on a cold heading machine tool, one end of the punching die is provided with an alloy cavity A and an ejector pin A, one end of the ejector pin A extends into the alloy cavity A and is adjacent to the alloy cavity A, the main die corresponding to the punching die is fixed in a sequence die cavity of the machine tool, the front end of the main die is provided with an alloy cavity B, a slotted hole is formed in the alloy cavity B, the bottom of the slotted hole is in an inclined plane shape, the inclined plane and the slotted hole are integrated, one end of the ejector pin B extends into the alloy cavity B and is adjacent to the alloy cavity B, the alloy cavity A of the punching die and the alloy cavity B of the main die move. The utility model discloses raw and other materials are extravagant few, low in production cost, and machining efficiency is high, and product quality is good.

Description

Pin cold heading processing die
Technical Field
The utility model relates to a mould, especially round pin axle cold-heading mold processing.
Background
The pin shaft is one of important parts in the mechanical assembly process, plays an important part for ensuring the positioning accuracy of two or more parts after the two or more parts are linked in the mechanical assembly process, is favorable for the smooth assembly process, and has at least dozens of pin shafts in each set of finished product assembly, so the requirement of the pin shafts is huge.
At present, the domestic processing method of the pin shaft mainly comprises the steps of cutting off raw materials and then carrying out chamfering processing on the two turned ends. When the method is used for processing, the waste of raw materials is large, the labor cost is high, the production cost is increased, and the turning efficiency is low. Cold heading is a typical efficient working method, and is generally used for working bolts, nuts, rivets, or the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a former material is extravagant few, low in production cost, and machining efficiency is high, the round pin axle cold-heading mold processing that product quality is good.
The utility model discloses mainly include fundamental mode and die.
The main die and the punching die are respectively arranged on a cold heading machine tool, one end of the punching die is provided with an alloy cavity A and an ejector pin A, and one end of the ejector pin A extends into the alloy cavity A and is adjacent to the alloy cavity A. The main die corresponding to the punching die is fixed in a die cavity of a machine tool, an alloy cavity B is arranged at the front end of the main die, a slotted hole is formed in the alloy cavity B, the bottom of the slotted hole is in an inclined plane shape, and the inclined plane and the slotted hole are integrated. One end of the thimble B extends into the alloy cavity B and is adjacent to the alloy cavity B. And the alloy cavity A of the die and the alloy cavity B of the main die move relatively to finish extrusion processing, so that two ends of the workpiece blank are chamfered to form the pin shaft.
Further, the size of the alloy cavity A at the front end of the punching die is the same as the size of the chamfer at one end of the pin shaft.
Furthermore, the size of the inclined plane in the alloy cavity B at the front end of the main die is the same as the size of the chamfer angle at the other end of the pin shaft.
The utility model discloses when using, select the raw materials according to the size of round pin axle sample, pack into the lathe with fundamental mode and die, carry out clearance adjustment to the mould through the inching function of lathe. And (3) feeding the cut material between the main die and the stamping die by using a manipulator, feeding the material into a slotted hole of the main die by using a thimble B in the stamping die, then carrying out relative motion between an alloy cavity A of the stamping die and an alloy cavity B of the main die to finish extrusion processing, chamfering and forming two ends of a workpiece blank, and pushing out the workpiece blank by using the thimble A and the thimble B to finish processing the workpiece.
Compared with the prior art, the utility model have following advantage:
the waste of raw materials is less, the production cost is low, the processing efficiency is high, and the product quality is good.
Drawings
FIG. 1 is a schematic cross-sectional view of a master mold and a stamping die according to the present invention;
fig. 2 is the schematic view of the main view of the pin shaft after processing.
In the figure, 1-punch die, 2-workpiece blank, 3-main die, 4-main die thimble B, 5-alloy cavity B, 6-alloy cavity A and 7-punch die thimble A.
Detailed Description
In the schematic diagram of the present invention shown in fig. 1 and fig. 2, the main mold 3 and the die 1 are respectively installed on the cold heading machine, one end of the die is provided with an alloy cavity a6 and a thimble a7, and the size of the alloy cavity a6 at the front end of the die is the same as the chamfer size at one end of the pin. One end of thimble A7 extends into alloy cavity A6, adjacent alloy cavity A7. The main die corresponding to the punching die is fixed in the die cavity of the machine tool, the front end of the main die is provided with an alloy cavity B5, a slotted hole is formed in the alloy cavity B5, the bottom of the slotted hole is in an inclined plane shape, and the inclined plane and the slotted hole are integrated. The size of the inclined plane in the alloy cavity B5 at the front end of the main die is the same as the size of the chamfer at the other end of the pin shaft. One end of thimble B4 extends into alloy cavity B5, adjacent alloy cavity B5. And the alloy cavity A of the stamping die and the alloy cavity B of the main die move relatively to finish extrusion processing, so that the two ends of the workpiece blank 2 are chamfered to form the pin shaft.

Claims (3)

1. Round pin axle cold-heading mold processing mainly includes fundamental mode and die, its characterized in that: the main die and the stamping die are respectively installed on a cold heading machine tool, an alloy cavity A and an ejector pin A are arranged at one end of the stamping die, one end of the ejector pin A extends into the alloy cavity A and is adjacent to the alloy cavity A, the main die corresponding to the stamping die is fixed in the machine tool die, an alloy cavity B is arranged at the front end of the main die, a slotted hole is formed in the alloy cavity B, the bottom of the slotted hole is in an inclined plane shape, the inclined plane and the slotted hole are integrated, one end of the ejector pin B extends into the alloy cavity B and is adjacent to the alloy cavity B, the alloy cavity A of the stamping die and the alloy cavity B of the main die move relatively to finish extrusion processing, and two ends of a workpiece blank material are.
2. The cold-heading processing die for the pin shaft as claimed in claim 1, wherein: the size of the alloy cavity A at the front end of the punch die is the same as the size of the chamfer at one end of the pin shaft.
3. The cold-heading processing die for the pin shaft as claimed in claim 1, wherein: the size of the inclined plane in the alloy cavity B at the front end of the main die is the same as the size of the chamfer angle at the other end of the pin shaft.
CN201922355952.6U 2019-12-25 2019-12-25 Pin cold heading processing die Active CN211803638U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922355952.6U CN211803638U (en) 2019-12-25 2019-12-25 Pin cold heading processing die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922355952.6U CN211803638U (en) 2019-12-25 2019-12-25 Pin cold heading processing die

Publications (1)

Publication Number Publication Date
CN211803638U true CN211803638U (en) 2020-10-30

Family

ID=73033129

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922355952.6U Active CN211803638U (en) 2019-12-25 2019-12-25 Pin cold heading processing die

Country Status (1)

Country Link
CN (1) CN211803638U (en)

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