CN220144664U - Special-shaped nut warm upsetting preparation mold - Google Patents

Special-shaped nut warm upsetting preparation mold Download PDF

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Publication number
CN220144664U
CN220144664U CN202321658817.9U CN202321658817U CN220144664U CN 220144664 U CN220144664 U CN 220144664U CN 202321658817 U CN202321658817 U CN 202321658817U CN 220144664 U CN220144664 U CN 220144664U
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hole
external
punching
positioning rod
lower die
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CN202321658817.9U
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Chinese (zh)
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周超宇
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Zhejiang Huayuan Automobile Technology Co ltd
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Zhejiang Huayuan Automobile Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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Abstract

The utility model discloses a special-shaped nut warm upsetting preparation die which comprises a lower die, wherein a punching hole is formed in the end face of the lower die, an outer positioning rod used for forming an outer hole when an external nut blank is subjected to primary punching by an external warm upsetting machine output end is detachably arranged at the bottom of the punching hole, the outer positioning rod is coaxially arranged with the punching hole, an upper die used for being installed on the lower die after the external nut blank is subjected to primary punching is arranged on the lower die, an embedding hole which is used for embedding the external warm upsetting machine output end and is matched with the shape is formed in the end face of the upper die, an output hole which is coaxially arranged and communicated with the embedding hole is formed in the bottom face of the upper die, an inner positioning rod used for forming an inner hole when the external nut blank is subjected to secondary punching is slidably arranged in the output hole, and the tail end of the inner positioning rod penetrates into the embedding hole, and the diameter of the inner positioning rod is smaller than that of the embedding hole. The utility model solves the problems of complex molding and complex drilling process of the special-shaped nut in the prior art.

Description

Special-shaped nut warm upsetting preparation mold
Technical Field
The utility model relates to the technical field of special-shaped nut warm upsetting preparation dies, in particular to a special-shaped nut warm upsetting preparation die.
Background
The special-shaped nut in the prior art is complex in structure and is provided with an outer hole and an inner hole, the diameters of the outer hole and the inner hole are inconsistent, so that the special-shaped nut after warm upsetting preparation in the prior art needs to be separately processed when the outer hole and the inner hole are processed, namely, the preparation flow is increased, the shape of the special-shaped nut after warm upsetting preparation is basically shaped, the special-shaped nut is easy to have precision errors and damage during processing of the inner hole and the outer hole, and the special-shaped nut is damaged and scrapped.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a special-shaped nut warm upsetting preparation die which aims at solving the problems that the die making of the special-shaped nut is complex and the drilling process is complex in the prior art.
In order to achieve the above purpose, the utility model provides a special-shaped nut warm upsetting preparation mould, which comprises a lower mould, wherein a punching hole for accommodating an external nut blank is formed in the end face of the lower mould along the height direction of the lower mould, an outer positioning rod for forming an outer hole when the external nut blank is subjected to primary punching by the output end of an external warm upsetting machine is detachably arranged at the bottom of the punching hole, the outer positioning rod is coaxially arranged with the punching hole, an upper mould for being arranged on the lower mould after the external nut blank is subjected to primary punching is arranged on the lower mould, the upper mould is coaxially arranged with the lower mould, an imbedding hole which is used for imbedding the output end of the external warm upsetting machine and is matched with the shape is formed in the end face of the upper mould, an output hole which is coaxially arranged and communicated with the imbedding hole is formed in the bottom face of the upper mould, an inner positioning rod for forming an inner hole when the external nut blank is subjected to secondary punching is arranged in a sliding way in the output hole, and the diameter of the inner positioning rod penetrates into the imbedding hole.
The technical scheme is beneficial in that: the construction staff installs the lower die on the external warm header, then places the nut blank in the punching hole, then carries out preliminary punching on the nut blank through the output end of the external warm header, the special-shaped nut appearance can be gradually formed when the nut blank is subjected to preliminary punching, the arrangement of the external positioning rod ensures that the external hole can be formed when the nut blank is subjected to punching, after the appearance of the nut blank and the external hole are formed, the construction staff can manually or automatically install the upper die on the lower die through the external warm header, then the output end of the external warm header can be inserted into the output hole and push the internal positioning rod to move downwards and carry out secondary punching on the nut blank, and the secondary punching can form an inner hole, so that the one-step forming of the special-shaped nut is realized; the special-shaped nut can be integrally formed through the arrangement of the upper die and the lower die in the technology, so that the molding efficiency is improved, meanwhile, the inner hole and the outer hole are directly and synchronously formed during the warm upsetting process treatment, and the molding accuracy and the molding efficiency are improved.
The utility model further provides that: the fixed groove is formed in the end face of the lower die in the circumferential direction along the axis direction of the lower die, a fixed ring for being inserted into the fixed groove is arranged at the position, corresponding to the fixed groove, of the bottom face of the upper die, an anti-falling groove is formed in the inner peripheral wall of the fixed groove in the circumferential direction along the axis direction of the lower die, an anti-falling block is protruded on the outer peripheral wall of the fixed ring, and a notch for the anti-falling block to be inserted into and placed into the anti-falling groove is communicated between the anti-falling groove and the end face of the lower die.
The technical scheme is beneficial in that: when the installation between upper die and the lower die is carried out, only need place the upper die on the lower die and make output hole and punching press hole coaxial alignment for solid fixed ring and fixed slot grafting cooperation setting and anticreep piece are in the breach, and the relative lower die of upper die carries out axial rotation this moment, makes the anticreep piece break away from the breach and get into in the anticreep groove gradually, with this makes anticreep piece and anticreep groove grafting cooperation and makes it be difficult to deviate from the breach, and then realizes the stable connection between upper die and the lower die, avoids both separation to lead to the warm upsetting moulding precision impaired.
The utility model further provides that: the tail end of the positioning rod penetrates into the insertion hole and is provided with a stress disc for secondary stamping of the output end of the external warm header.
The technical scheme is beneficial in that: the arrangement of the stress disc in the technology is more convenient to contact with the output end of the external temperature upsetting machine, so that stress is more concentrated, moment loading dispersion phenomenon is avoided, and further, the nut blank is ensured to be punched more stably.
The utility model further provides that: the outer peripheral wall of the stress disc is provided with a plurality of limiting protrusions, the inner peripheral wall of the placement hole is provided with a plurality of limiting grooves, and the limiting protrusions are in one-to-one correspondence with the limiting grooves and are in plug-in fit with the limiting grooves.
The technical scheme is beneficial in that: when the inner positioning rod is inserted into the upper die, the limiting protrusions on the stress disc are matched with the limiting grooves in an inserting mode, so that the inner positioning rod cannot rotate along the axis direction of the upper die, the inner positioning rod can be guaranteed to be normally stamped by the external Wen Duiji and conduct stamping moment, and the axial rotation or shaking or shifting of the inner positioning rod is prevented from causing stamping moment offset.
The utility model further provides that: the bottom of the punching hole is provided with a connecting shaft, and one end of the outer positioning rod is provided with a connecting groove which is matched with the connecting shaft in a threaded manner.
The technical scheme is beneficial in that: the outer locating rod in the technology realizes the detachable connection of the outer locating rod in the lower die through the threaded fit of the connecting shaft and the connecting groove, so that the outer locating rod with different diameters can be conveniently replaced by an operator after the outer hole diameter is machined, and the outer locating rod can be timely detached and replaced after being damaged.
Drawings
FIG. 1 is a three-dimensional view of a prior art profiled nut to be machined;
FIG. 2 is a cross-sectional view of a prior art profiled nut to be machined;
FIG. 3 is a three-dimensional view of the present utility model;
FIG. 4 is a cross-sectional view of the present utility model;
fig. 5 is an exploded three-dimensional view of the present utility model.
Detailed Description
The utility model provides a special-shaped nut warm upsetting preparation mould, which comprises a lower mould 1, wherein a punching hole 11 for accommodating an external nut blank is formed on the end surface of the lower mould 1 along the height direction of the lower mould 1, an outer positioning rod 12 for forming an outer hole when the external nut blank is subjected to primary punching by an output end of an external warm upsetting machine is detachably arranged at the bottom of the punching hole 11, the outer positioning rod 12 is coaxially arranged with the punching hole 11, an upper mould 2 for being arranged on the lower mould 1 after the external nut blank is subjected to primary punching is arranged on the lower mould 1, the upper mould 2 and the lower mould 1 are coaxially arranged, an embedded hole 21 for the external warm upsetting machine to be embedded in and matched with the output end in shape is formed on the end surface of the upper mould 2, an inner positioning rod 3 for enabling the external nut blank to be formed by secondary punching is arranged in a sliding way in the output hole 22, the end of the inner positioning rod 3 is arranged in the inner positioning rod 21, the diameter of the inner positioning rod 3 is arranged on the lower mould 1, a plurality of fixing grooves are formed on the end surface of the lower mould 1, a plurality of fixing grooves are formed on the outer side of the fixing grooves 13, the fixing grooves are formed on the end surface of the fixing grooves 13, the fixing grooves 13 are formed on the bottom surface of the fixing groove 13, the fixing groove 13 are formed on the fixing groove 13, the fixing groove 13 is formed on the fixing groove 13, the fixing groove is formed on the end surface of the fixing groove 13, the fixing groove is formed 13 is arranged on the end surface of the fixing groove is arranged on the fixing end surface of the fixing groove 13, and is arranged on the end surface, and is arranged on the fixing the position of the fixing groove 13, and is 13, and the fixing groove is formed and used and is formed and provided. The inner peripheral wall of the placement hole 21 is provided with a plurality of limit grooves 25, a plurality of limit protrusions 32 are in one-to-one correspondence with the limit grooves 25 and are in plug-in fit with the limit grooves 25, the bottom of the punching hole 11 is provided with a connecting shaft 15, and one end of the outer positioning rod 12 is provided with a connecting groove 16 which is in threaded fit with the connecting shaft 15.
While the basic principles and main features of the present utility model and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims and their equivalents.

Claims (5)

1. A special-shaped nut warm upsetting preparation mold is characterized in that: the automatic punching device comprises a lower die, a punching hole for accommodating an external nut blank is formed in the end face of the lower die along the height direction of the lower die, an external positioning rod for forming an external hole when the external nut blank is subjected to primary punching by an external temperature upsetting machine output end is detachably arranged at the bottom of the punching hole, the external positioning rod and the punching hole are coaxially arranged, an upper die for being installed on the lower die after the external nut blank is subjected to primary punching is arranged on the lower die, the upper die and the lower die are coaxially arranged, an embedding hole for the external temperature upsetting machine output end to be embedded and is matched with the shape is formed in the end face of the upper die, an output hole which is coaxially arranged and communicated with the embedding hole is formed in the bottom face of the upper die, an internal positioning rod for forming an inner hole when the external nut blank is subjected to secondary punching is slidably arranged in the output hole, and the tail end of the internal positioning rod penetrates into the embedding hole, and the diameter of the internal positioning rod is smaller than the diameter of the embedding hole.
2. The special-shaped nut warm heading preparation die of claim 1, wherein: the fixed groove is formed in the end face of the lower die in the circumferential direction along the axis direction of the lower die, a fixed ring for being inserted into the fixed groove is arranged at the position, corresponding to the fixed groove, of the bottom face of the upper die, an anti-falling groove is formed in the inner peripheral wall of the fixed groove in the circumferential direction along the axis direction of the lower die, an anti-falling block is protruded on the outer peripheral wall of the fixed ring, and a notch for the anti-falling block to be inserted into and placed into the anti-falling groove is communicated between the anti-falling groove and the end face of the lower die.
3. The special-shaped nut warm heading preparation die of claim 1, wherein: the tail end of the positioning rod penetrates into the insertion hole and is provided with a stress disc for secondary stamping of the output end of the external warm header.
4. A shaped nut warm heading preparation mould as defined in claim 3, wherein: the outer peripheral wall of the stress disc is provided with a plurality of limiting protrusions, the inner peripheral wall of the placement hole is provided with a plurality of limiting grooves, and the limiting protrusions are in one-to-one correspondence with the limiting grooves and are in plug-in fit with the limiting grooves.
5. The special-shaped nut warm heading preparation die of claim 1, wherein: the bottom of the punching hole is provided with a connecting shaft, and one end of the outer positioning rod is provided with a connecting groove which is matched with the connecting shaft in a threaded manner.
CN202321658817.9U 2023-06-27 2023-06-27 Special-shaped nut warm upsetting preparation mold Active CN220144664U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321658817.9U CN220144664U (en) 2023-06-27 2023-06-27 Special-shaped nut warm upsetting preparation mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321658817.9U CN220144664U (en) 2023-06-27 2023-06-27 Special-shaped nut warm upsetting preparation mold

Publications (1)

Publication Number Publication Date
CN220144664U true CN220144664U (en) 2023-12-08

Family

ID=89018159

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321658817.9U Active CN220144664U (en) 2023-06-27 2023-06-27 Special-shaped nut warm upsetting preparation mold

Country Status (1)

Country Link
CN (1) CN220144664U (en)

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