CN221087142U

CN221087142U - High-precision screw forming punch

Info

Publication number: CN221087142U
Application number: CN202322589799.XU
Authority: CN
Inventors: 杨心中; 李永; 韩洋; 尤业师
Original assignee: Dongguan Lisheng Mould Co ltd
Current assignee: Dongguan Lisheng Mould Co ltd
Priority date: 2023-09-23
Filing date: 2023-09-23
Publication date: 2024-06-07
Anticipated expiration: 2033-09-23

Abstract

The utility model relates to the field of cold heading screws, and discloses a high-precision screw forming punch, which comprises a round seat, wherein a special-shaped groove is formed in the round seat, two sliding assemblies are connected in the special-shaped groove in a sliding manner, a fixed column is fixedly connected to the bottom end of each sliding assembly, a gear is connected to the outer part of each fixed column in a rotating manner, a telescopic column is fixedly connected to one side, close to each sliding assembly, of each fixed column, a first spring is sleeved on the outer part of each telescopic column, two racks are connected in the special-shaped groove in a sliding manner, a punch is connected in the special-shaped groove in a sliding manner, clamping grooves are formed in the left side and the right side of the punch, and a head is fixedly connected to the top end of the punch. According to the device, the punch can be quickly installed and replaced, the operation time is reduced, the guide function is added to the punch, the accurate positioning, stable movement and machining precision of the punch are ensured, and the working efficiency and the product quality are improved.

Description

High-precision screw forming punch

Technical Field

The utility model relates to the field of cold heading screws, in particular to a high-precision screw forming punch.

Background

The high-precision screw forming punch is a tool for manufacturing high-precision threads. It is commonly used in cold heading or hot heading forming processes to machine threads into the inner or outer cylindrical surface of a metal workpiece. The punch plastically deforms the material under the pressure of the punch by applying impact and shear forces to the workpiece, ultimately forming the desired thread shape.

Most of the existing high-precision screw forming punches generally adopt an upper section and a lower section which are inserted and connected together, and then are locked and fixed by screws, so that the replacement and installation modes are complicated to operate, and most of the punches have no guiding function, so that machining errors can be increased in the machining process, and the machining quality and the dimensional accuracy are affected.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a high-precision screw forming punch, which can realize quick installation and replacement of the punch and has a guiding function.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a high-precision screw forming punch, includes the circle seat, the abnormal shape groove has been seted up to the inside of circle seat, the inside sliding connection of abnormal shape groove has two slip subassembly, the bottom fixedly connected with fixed column of slip subassembly, the outside of fixed column rotates and is connected with the gear, two the close one side fixedly connected with telescopic column of slip subassembly, the outside cover of telescopic column is equipped with spring one, the inside sliding connection of abnormal shape groove has two racks, the inside sliding connection of abnormal shape groove has the punch, the draw-in groove has been seted up to the left and right sides of punch, the top fixedly connected with head form of punch, the top fixed point of circle seat is connected with two stand pipes, the inside fixedly connected with telescopic assembly of stand pipe, the inside fixedly connected with separation pipe of telescopic assembly;

Through above-mentioned technical scheme, can install and change the drift fast to for the drift has increased the function of direction.

Further, the sliding assembly comprises two round blocks, two connecting blocks, two round grooves and two pushing blocks, wherein the bottom ends of the round blocks are fixedly connected to the top ends of the connecting blocks, the bottom ends of the connecting blocks are fixedly connected to the top ends of the auxiliary blocks, the round grooves are formed in the auxiliary blocks, and one end, close to a punch, of each pushing block is fixedly connected to one side of each round block;

Through the technical scheme, the pushing block can drive the gear to rotate, so that the sliding of the rack is driven to clamp the punch.

Further, the telescopic assembly comprises a fixed pipe, a second spring and a telescopic pipe, wherein the second spring is fixedly connected to the top end of the fixed pipe, and the top end of the second spring is fixedly connected to the bottom end of the telescopic pipe;

Through above-mentioned technical scheme, can be through the compression of the drive spring two of flexible pipe, supplementary drift is to processing work piece location then punching press again, improves work efficiency.

Further, one end of the first spring is fixedly connected to the inner wall of the special-shaped groove, and the other end of the first spring is fixedly connected to one side, close to the punch, of the auxiliary block;

Through the technical scheme, the spring can be compressed and reset to drive the rack to slide left and right, so that the punch is quickly installed and replaced.

Further, one end, close to the punch, of the rack is clamped with the inner wall of the clamping groove, and external teeth of the gear are connected with top teeth of the rack in a meshed mode;

Through above-mentioned technical scheme, can block the fixed through the slip of rack to the drift, facilitate the use user.

Further, two ends of the fixed column are fixedly connected to the inner wall of the circular groove, and the outer part of the gear is rotationally connected to the inner wall of the circular groove;

through above-mentioned technical scheme, can prevent its whereabouts through fixed column fixed gear rotation in the circular slot.

Further, the round block is connected to the top end of the round seat in a sliding manner, and the pushing block is connected to the top end of the pushing block in a sliding manner;

Through above-mentioned technical scheme, can drive the kicking block through pasting close circle seat top and slide, increase the joint force to the drift, prevent that the drift from rocking.

Further, the outer part of the fixed pipe is fixedly connected to the inner wall of the guide pipe, the inner part of the fixed pipe is fixedly connected to the outer wall of the blocking pipe, the outer part of the telescopic pipe is slidably connected to the inner wall of the guide pipe, and the inner wall of the blocking pipe is attached to the outer wall of the punch;

Through the technical scheme, the guide pipe can position the workpiece, the punch is assisted to process the workpiece, and the quality of the workpiece is improved.

The utility model has the following beneficial effects:

1. According to the utility model, the rapid installation and replacement of the punch are realized by matching the special-shaped groove, the sliding component, the round block, the connecting block, the auxiliary block and other components, so that the operation time and the labor force requirements are reduced, and the production efficiency and the working quality are improved.

2. According to the utility model, under the cooperation of the guide tube, the telescopic assembly, the fixed tube, the spring II, the telescopic tube and other assemblies, the guide function of the punch is added, the accurate positioning, stable movement and processing precision of the punch are ensured, and the working efficiency and the product quality are improved.

Drawings

FIG. 1 is a perspective view of a high-precision screw forming punch according to the present utility model;

FIG. 2 is a schematic view of a round block structure of a high-precision screw forming punch according to the present utility model;

FIG. 3 is a cross-sectional view of a round seat of a high precision screw forming punch according to the present utility model;

Fig. 4 is a schematic diagram of a punch structure of a high-precision screw forming punch according to the present utility model;

FIG. 5 is a schematic diagram of a spring II of a high-precision screw forming punch according to the present utility model;

Fig. 6 is an exploded view of a guide tube of a high-precision screw forming punch according to the present utility model.

Legend description:

1. A round seat; 2. a special-shaped groove; 3. a sliding assembly; 301. round blocks; 302. a connecting block; 303. an auxiliary block; 304. a circular groove; 305. a pushing block; 4. fixing the column; 5. a gear; 6. a telescopic column; 7. a first spring; 8. a rack; 9. a punch; 10. a clamping groove; 11. head type; 12. a guide tube; 13. a telescoping assembly; 1301. a fixed tube; 1302. a second spring; 1303. a telescopic tube; 14. and (3) blocking the pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides a high-precision screw shaping drift, including circular seat 1, abnormal shape groove 2 has been seted up to the inside of circular seat 1, abnormal shape groove 2's design is in order to give the space of an activity of internal component, abnormal shape groove 2's inside sliding connection has two sliding component 3, sliding component 3 drives gear 5 rotation, sliding component 3's bottom fixedly connected with fixed column 4, fixed column 4's outside rotation is connected with gear 5, fixed column 4 runs through gear 5 and prevents its whereabouts, two sliding component's 3 close one side fixedly connected with telescopic column 6, telescopic column 6's outside cover is equipped with spring one 7, design is in order to increase spring one's 7 life like this, abnormal shape groove 2's inside sliding connection has two racks 8, rack 8's design is in order to block with drift 9, abnormal shape groove 2's inside sliding connection has drift 9, drift 9 slides in abnormal shape groove 2's inside, draw-in groove 10 has been seted up to the left and right sides of drift 9, draw-in groove 10 makes things convenient for 8 to drift 9 block 9, the top fixedly connected with head type 11, head type 11 is to work piece punching press, top 12 that two guide tube 12 are connected with two guide tube 13 in order to be connected with inside telescopic tube 13, it is for the fixed expansion tube 13 to cut out the inside of work piece to be connected with 13, the inside is required to be equipped with flexible tube of 13 to be processed for the fixed expansion tube of work piece 1302, 13 is required to be processed inside of work piece 13.

Referring to fig. 2 and 3, the sliding assembly 3 includes two round blocks 301, two connection blocks 302), two auxiliary blocks 303, two round grooves 304, two pushing blocks 305, the bottom end of the round block 301 is fixedly connected to the top end of the connection block 302, the round block 301 drives the connection block 302 to slide, the bottom end of the connection block 302 is fixedly connected to the top end of the auxiliary block 303, the hole auxiliary block 303 of the connection block 302 slides, the round groove 304 is formed in the auxiliary block 303, the round groove 304 is designed to provide a rotating space for the gear 5, one end of the pushing block 305 close to the punch 9 is fixedly connected to one side of the round block 301, and the pushing block 305 drives the round block 301 to slide.

Referring to fig. 1 and 6, the telescopic assembly 13 includes a fixing tube 1301, a second spring 1302 and a telescopic tube 1303, the second spring 1302 is fixedly connected to the top end of the fixing tube 1301, the top end of the second spring 1302 is fixedly connected to the bottom end of the telescopic tube 1303, and the second spring 1302 is connected to the fixing tube 1301 and the telescopic tube 1303.

Referring to fig. 3, one end of the first spring 7 is fixedly connected to the inner wall of the special-shaped groove 2, the other end of the first spring 7 is fixedly connected to one side of the auxiliary block 303, which is close to the punch 9, the first spring 7 is connected to the auxiliary block 303 and the special-shaped groove 2, one end of the rack 8, which is close to the punch 9, is clamped with the inner wall of the clamping groove 10, the rack 8 slides to clamp the punch 9, the external teeth of the gear 5 are meshed with the top teeth of the rack 8, the gear 5 rotates to drive the rack 8 to slide, the two ends of the fixed column 4 are fixedly connected to the inner wall of the circular groove 304, the external rotation of the gear 5 is connected to the inner wall of the circular groove 304, the fixed column 4 is connected to the circular groove 304 to prevent the window gear 5 from falling off the top of the circular block 301 from being slidingly connected to the top of the circular seat 1, and the pushing block 305 is slidingly connected to the top of the pushing block 305.

Referring to fig. 1 and 6, the outside fixed connection of fixed pipe 1301 is at the inner wall of stand pipe 12, and the inside fixed connection of fixed pipe 1301 is at the outer wall of separation pipe 14, and the outside sliding connection of flexible pipe 1303 is at the inner wall of stand pipe 12, and the design is in order to prevent that the rocking of fixed pipe 1301, flexible pipe 1303 and separation pipe 14 is unstable, and the inner wall of separation pipe 14 is laminated with the outer wall of drift 9, and the design is in order that drift 9 can be accurate to work piece processing like this, reduces machining error.

Working principle: the user pushes the pushing block 305 at the top of the round seat 1 to slide inwards firstly, the sliding of the pushing block 305 drives the round block 301 to slide inwards simultaneously, at the moment, the inside of the auxiliary block 303 is penetrated by the fixed column 4 outside the round groove 304 and rotates the gear 5 connected with the round groove 304, the rotation of the gear 5 drives the rack 8 meshed with the gear 5 to slide outwards inside the special-shaped groove 2, the punch 9 can be inserted in the special-shaped groove 2 aligned with the top of the round seat 1, after the punch 9 is inserted, the pushing block 305 is not pushed any more, at the moment, the pushing block 305, the round block 301 and the auxiliary block 303 return to the original positions outwards under the rebound force of the telescopic column 6 and the spring 7, and meanwhile, the gear 5 fixed with the auxiliary block 303 rotates under the action of the telescopic column 6 and the spring 7 to drive the rack 8 to slide inwards and be clamped with the clamping grooves 10 on the left side and the right side of the punch 9, so that the punch 9 is fixed inside the round seat 1, and the quick installation of the punch 9 is facilitated for the user. When the user pushes down the punch 9 to process the workpiece, the whole device can accurately position the workpiece through the telescopic tube 1303 and the guide tube 12, after the positioning is completed, the device pushes down the workpiece to punch, and in the punching process, the telescopic tube 1303 drives the spring II 1302 to slide between the guide tube 12 and the blocking tube 14 in a telescopic manner, so that the punching of the 9 workpieces by the punch is completed.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a high-precision screw shaping drift, includes circle seat (1), its characterized in that: the inside of circle seat (1) has been seted up abnormal shape groove (2), the inside sliding connection of abnormal shape groove (2) has two slip subassembly (3), the bottom fixedly connected with fixed column (4) of slip subassembly (3), the outside of fixed column (4) rotates and is connected with gear (5), two the close one side fixedly connected with telescopic column (6) of slip subassembly (3), the outside cover of telescopic column (6) is equipped with spring one (7), the inside sliding connection of abnormal shape groove (2) has two racks (8), the inside sliding connection of abnormal shape groove (2) has drift (9), draw-in groove (10) have been seted up to the left and right sides of drift (9), top fixedly connected with head form (11) of drift (9), the top fixed point of circle seat (1) is connected with two stand pipes (12), the inside fixedly connected with telescopic component (13) of stand pipe (12), the inside fixedly connected with separation pipe (14) of telescopic component (13).

2. A high precision screw forming punch as defined in claim 1, wherein: the sliding assembly (3) comprises two round blocks (301), two connecting blocks (302), two auxiliary blocks (303), two round grooves (304) and two pushing blocks (305), wherein the bottom ends of the round blocks (301) are fixedly connected to the top ends of the connecting blocks (302), the bottom ends of the connecting blocks (302) are fixedly connected to the top ends of the auxiliary blocks (303), the round grooves (304) are formed in the auxiliary blocks (303), and one ends, close to the punches (9), of the pushing blocks (305) are fixedly connected to one side of the round blocks (301).

3. A high precision screw forming punch as defined in claim 1, wherein: the telescopic component (13) comprises a fixed pipe (1301), a second spring (1302) and a telescopic pipe (1303), wherein the second spring (1302) is fixedly connected to the top end of the fixed pipe (1301), and the top end of the second spring (1302) is fixedly connected to the bottom end of the telescopic pipe (1303).

4. A high precision screw forming punch as claimed in claim 2, wherein: one end of the first spring (7) is fixedly connected to the inner wall of the special-shaped groove (2), and the other end of the first spring (7) is fixedly connected to one side, close to the punch (9), of the auxiliary block (303).

5. A high precision screw forming punch as defined in claim 1, wherein: one end of the rack (8) close to the punch (9) is clamped with the inner wall of the clamping groove (10), and the external teeth of the gear (5) are connected with the top teeth of the rack (8) in a meshed mode.

6. A high precision screw forming punch as claimed in claim 2, wherein: the two ends of the fixed column (4) are fixedly connected to the inner wall of the circular groove (304), and the outer part of the gear (5) is rotationally connected to the inner wall of the circular groove (304).

7. A high precision screw forming punch as claimed in claim 2, wherein: the round block (301) is slidably connected to the top end of the round seat (1), and the pushing block (305) is slidably connected to the top end of the pushing block (305).

8. A high precision screw forming punch as claimed in claim 3, wherein: the outside fixed connection of fixed pipe (1301) is in the inner wall of stand pipe (12), the inside fixed connection of fixed pipe (1301) is in the outer wall of separation pipe (14), the outside sliding connection of flexible pipe (1303) is in the inner wall of stand pipe (12), the inner wall of separation pipe (14) is laminated with the outer wall of drift (9).