CN209986086U - Internal and external thread screw mould - Google Patents

Internal and external thread screw mould Download PDF

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Publication number
CN209986086U
CN209986086U CN201822141377.5U CN201822141377U CN209986086U CN 209986086 U CN209986086 U CN 209986086U CN 201822141377 U CN201822141377 U CN 201822141377U CN 209986086 U CN209986086 U CN 209986086U
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CN
China
Prior art keywords
die
cavity
punching needle
screw
stud
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Active
Application number
CN201822141377.5U
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Chinese (zh)
Inventor
黄祯楷
黄庆彬
陈捷坚
蒋晓帆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ESSENCE FASTENER INDUSTRIES Co Ltd
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ESSENCE FASTENER INDUSTRIES Co Ltd
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Priority to CN201822141377.5U priority Critical patent/CN209986086U/en
Application granted granted Critical
Publication of CN209986086U publication Critical patent/CN209986086U/en
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Abstract

The utility model relates to an inside and outside screw thread screw mould. The technical scheme of the utility model is that: the die comprises a left die and a right die which correspond to each other in three groups, wherein the left die and the right die comprise a first left die, a first right die, a second left die, a second right die, a third left die and a third right die, each left die and each right die are provided with cavities for forming, and the inner and outer threaded screws are manufactured in a stamping mode. The utility model aims to provide a three towards fashioned interior external thread screw moulds.

Description

Internal and external thread screw mould
Technical Field
The utility model relates to an inside and outside screw thread screw mould.
Background
The screw is mainly used for fixing the relative position between two parts, plays the role of a positioning pin, and is used in various fields as a standard element for fixed connection.
Especially, the screws with the internal threads and the external threads need to be screwed up for fixing, so that the stress intensity requirement of the screws is high, and therefore, the selection of a proper mold for production is the forward development direction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a three fashioned interior external thread screw moulds that dash.
In order to achieve the above object, the utility model adopts the following technical scheme:
the die comprises three groups of left dies and right dies which correspond to each other left and right, and comprises a first left die, a first right die, a second left die, a second right die, a third left die and a third right die;
the first left die comprises a first left die cavity and a first left punching needle, a screw die is arranged in the first left die cavity, and the first left punching needle is movably arranged in the first left die cavity; the first right die comprises a first right die cavity and a first right punching needle, and the first right punching needle is movably arranged in the first right die cavity;
the second left die comprises a second left die cavity and a second left punching needle, a stud fixing die is arranged at the port of the second left die cavity, and the second left punching needle is movably arranged in the second left die cavity; the second right die comprises a second right die cavity, a nut forming die is arranged at the port of the second right die cavity, and a thimble is arranged in the nut forming die;
the third left die comprises a third left die cavity and a third left punching needle, a third-order screw forming die is arranged at the port of the third left die cavity, and the third left punching needle is movably arranged in the third left die cavity; the third right die comprises an internally threaded male die.
Furthermore, the first left punching needle, the first right punching needle, the second left punching needle and the third left punching needle are respectively provided with a limiting table.
By adopting the mold of the technical scheme, in the first left mold and the first right mold, the stud of the screw is preformed through the stud mold arranged in the first left mold cavity; in the second left die and the second right die, a screw bolt fixed die arranged at the port of the second left die cavity and a nut forming die arranged at the port of the second right die cavity are used for forming a countersunk head of a screw and a nut in the first stage, and meanwhile, a thimble reserves a pre-punching position of an internal thread; in the third left die and the third right die, a third-order screw forming die is arranged at the port of the third left die cavity to directly form a complete screw, and meanwhile, an internal thread male die is arranged to form an internal thread on a nut in the stamping process, so that the complete screw is finally formed.
As an improved technical scheme of the utility model:
the stud die in the first left die cavity is gradually enlarged from left to right and is respectively a cylindrical stud cavity, a circular truncated cone transition cavity and a cylindrical reserved cavity.
Furthermore, the cylindrical reserved cavity of the stud fixed die of the second left die cavity is shorter than that of the stud die of the first left die cavity, the nut forming die is a dome cavity, and the ejector pin is located in the center of the dome cavity.
Furthermore, a third-order screw forming die arranged at the port of the third left die cavity is gradually enlarged from left to right and respectively comprises a stud forming cavity, a countersunk head cavity and a nut cavity.
The arrangement of the screw column die, the screw column fixed die, the screw cap forming die and the third-order screw forming die is convenient for the integral forming of the screw, and is suitable for die adjustment of different use requirements and different screw sizes.
After the structure is adopted, the utility model discloses beneficial effect does:
the three-punching formed screw has the advantages of capability of simultaneously punching the internal thread and the external thread, capability of keeping the complete stress structure of the screw, precise and accurate size, smooth surface, raw material saving, high production rate, capability of processing parts with complex shapes, high strength, good rigidity, light weight and the like.
Drawings
Fig. 1 is a schematic sectional view of a first left die and a first right die of an internal and external thread screw die according to the present invention;
FIG. 2 is a schematic sectional view of a second left mold and a second right mold of the internal and external screw thread screw mold of the present invention;
fig. 3 is a schematic sectional view of the third left die and the third right die of the internal and external screw thread screw die of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the internal and external thread screw die comprises three sets of left dies and right dies which correspond to each other left and right, including a first left die 1 and a first right die 2, a second left die 3 and a second right die 4, a third left die 5 and a third right die 6;
the first left die 1 comprises a first left die cavity 11 and a first left punching needle 12, a stud die is arranged in the first left die cavity 11, and the first left punching needle 12 is movably arranged in the first left die cavity 11; the first right die 2 comprises a first right die cavity 21 and a first right punching needle 22, and the first right punching needle 22 is movably arranged in the first right die cavity 21;
the second left die 3 comprises a second left die cavity 31 and a second left punching needle 32, a stud fixing die is arranged at a port of the second left die cavity 31, and the second left punching needle 32 moves in the second left die cavity 31; the second right die 4 comprises a second right die cavity 41, a nut forming die is arranged at the port of the second right die cavity 41, and a thimble 42 is arranged in the nut forming die;
the third left die 5 comprises a third left die cavity 51 and a third left punching needle 52, a third-order screw forming die is arranged at a port of the third left die cavity 51, and the third left punching needle 52 is movably arranged in the third left die cavity 51; the third right die 6 comprises an internally threaded male die 61.
And the first left punching needle 12, the first right punching needle 22, the second left punching needle 32 and the third left punching needle 52 are all provided with a limiting table 7.
By adopting the mold of the technical scheme, in the first left mold 1 and the first right mold 2, the stud of the screw is preformed through the stud mold arranged in the first left mold cavity 11; in the second left die 3 and the second right die 4, a screw countersunk head and a screw cap in the first stage are formed through a stud fixed die arranged at the port of the second left die cavity 31 and a screw cap forming die arranged at the port of the second right die cavity 41, and the ejector pin reserves the pre-punching position of an internal thread; in the third left die 5 and the third right die 6, a third-order screw forming die is arranged at the port of the third left die cavity 51 to directly form a complete screw, and meanwhile, an internal thread is formed on a nut in the punching process by the arrangement of the internal thread male die 61, so that the complete screw is finally formed.
Further, the stud die in the first left die cavity 11 is gradually enlarged from left to right, and is a cylindrical stud cavity 111, a circular truncated cone transition cavity 112 and a cylindrical reserved cavity 113.
The cylindrical reserve cavity of the stud fixing die of the second left die cavity 31 is shorter than that of the stud die of the first left die cavity, the nut forming die is a dome cavity, and the ejector pin 42 is located in the center of the dome cavity.
The third left die cavity 51 is provided with a third-order screw forming die which is gradually enlarged from left to right and respectively comprises a stud forming cavity 511, a countersunk cavity 512 and a nut cavity 513.
The arrangement of the screw column die, the screw column fixed die, the screw cap forming die and the third-order screw forming die is convenient for the integral forming of the screw, and is suitable for die adjustment of different use requirements and different screw sizes.
The above description is only for the preferred embodiment of the present invention, and the above preferred embodiment is not intended to limit the scope of the present invention; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (5)

1. The utility model provides an inside and outside screw thread screw mould which characterized in that: the die comprises three groups of left dies and right dies which correspond to each other left and right, including a first left die and a first right die, a second left die and a second right die, and a third left die and a third right die;
the first left die comprises a first left die cavity and a first left punching needle, a screw die is arranged in the first left die cavity, and the first left punching needle is movably arranged in the first left die cavity; the first right die comprises a first right die cavity and a first right punching needle, and the first right punching needle is movably arranged in the first right die cavity;
the second left die comprises a second left die cavity and a second left punching needle, a stud fixing die is arranged at the port of the second left die cavity, and the second left punching needle is movably arranged in the second left die cavity; the second right die comprises a second right die cavity, a nut forming die is arranged at the port of the second right die cavity, and a thimble is arranged in the nut forming die;
the third left die comprises a third left die cavity and a third left punching needle, a third-order screw forming die is arranged at the port of the third left die cavity, and the third left punching needle is movably arranged in the third left die cavity; the third right die comprises an internally threaded male die.
2. The internally and externally threaded screw mold of claim 1, wherein: and the first left punching needle, the first right punching needle, the second left punching needle and the third left punching needle are respectively provided with a limiting table.
3. The internally and externally threaded screw mold of claim 1, wherein: the stud die in the first left die cavity is gradually enlarged from left to right and is respectively a cylindrical stud cavity, a circular truncated cone transition cavity and a cylindrical reserved cavity.
4. An internally and externally threaded screw die according to claim 3, characterized in that: the cylindrical reserved cavity of the stud fixed die of the second left die cavity is shorter than that of the stud die of the first left die cavity, the nut forming die is a dome cavity, and the ejector pin is located in the center of the dome cavity.
5. An internally and externally threaded screw die according to claim 4, wherein: and a third-order screw forming die arranged at the port of the third left die cavity is gradually enlarged from left to right and is respectively a stud forming cavity, a countersunk head cavity and a nut cavity.
CN201822141377.5U 2018-12-20 2018-12-20 Internal and external thread screw mould Active CN209986086U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822141377.5U CN209986086U (en) 2018-12-20 2018-12-20 Internal and external thread screw mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822141377.5U CN209986086U (en) 2018-12-20 2018-12-20 Internal and external thread screw mould

Publications (1)

Publication Number Publication Date
CN209986086U true CN209986086U (en) 2020-01-24

Family

ID=69287156

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822141377.5U Active CN209986086U (en) 2018-12-20 2018-12-20 Internal and external thread screw mould

Country Status (1)

Country Link
CN (1) CN209986086U (en)

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