CN213856629U

CN213856629U - Punch head structure for cold extrusion molding high precision

Info

Publication number: CN213856629U
Application number: CN202022750322.1U
Authority: CN
Inventors: 唐兰; 黄文佳
Original assignee: Shenzhen Honganxing Metal Products Co ltd
Current assignee: Shenzhen Honganxing Metal Products Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-08-03
Anticipated expiration: 2030-11-24

Abstract

The utility model provides a drift structure for cold extrusion moulding high accuracy relates to hardware and accessory field, including the cylinder platform, three first T shape spout has been seted up to top one side of cylinder platform, and three second T shape spout has been seted up to the top opposite side of cylinder platform, sets up threaded groove in the middle of the top of cylinder platform, and threaded groove female connection has the threaded rod, and the top fixedly connected with drift body of threaded rod, annular groove have been seted up to the outer wall bottom of drift body, and the joint of cell wall one side of annular groove has first splint. The utility model discloses a connecting hole has been seted up to opposite at first connecting plate and second connecting plate, and two connecting hole female connection have connecting bolt, through rotate connecting bolt alright with first splint and second splint fixed, make first splint and second splint fixed the drift body simultaneously, prevent effectively like this because drift body and cylinder platform threaded connection lead to the drift body to drop easily at the during operation.

Description

Punch head structure for cold extrusion molding high precision

Technical Field

The utility model relates to a hardware spare and accessory part technical field specifically is a drift structure for cold extrusion moulding high accuracy.

Background

In the process of stamping, the use of the punch is very extensive, and how to quickly replace and fix the punch in the process of batch processing to improve the stamping efficiency is one of the research subjects of the design and manufacture of the stamping die at present.

At present, a part of punches and hydraulic cylinder output ends are in threaded connection, but the punches in threaded connection are easy to loosen during continuous processing, if the punches are directly welded to the joints, the replacement of the punches is not facilitated, and in order to solve the problems, a punch structure for cold extrusion molding with high precision is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model discloses a drift structure for cold extrusion moulding high accuracy to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a punch head structure for cold extrusion molding high precision comprises a cylindrical table, wherein one side of the top end of the cylindrical table is provided with three first T-shaped sliding grooves, the other side of the top end of the cylindrical table is provided with three second T-shaped sliding grooves, the middle of the top end of the cylindrical table is provided with a threaded groove, the threaded groove is internally threaded with a threaded rod, the top end of the threaded rod is fixedly connected with a punch head body, the bottom of the outer wall of the punch head body is provided with an annular groove, one side of the groove wall of the annular groove is clamped with a first clamping plate, the bottom end of the first clamping plate is fixedly connected with three first T-shaped sliding blocks, the middle of one side of the first clamping plate is provided with a first circular clamping groove, the front surface and the back surface of the first clamping plate are fixedly connected with first connecting plates, one side of two first connecting plates is fixedly connected with a second, the bottom fixedly connected with three second T shape sliders of second splint, the circular draw-in groove of second has been seted up to one side that second splint are close to first splint.

Preferably, a connecting hole is formed in one side of the first connecting plate, a connecting bolt is connected to the inner thread of the connecting hole, and one side, close to the second clamping plate, of the first connecting plate is fixedly connected with one side, close to the first connecting plate, of the second connecting plate through the connecting bolt.

Preferably, the first T-shaped sliding blocks are slidably connected in the corresponding first T-shaped sliding grooves, and the second T-shaped sliding blocks are slidably connected in the corresponding second T-shaped sliding grooves.

Preferably, the second circular clamping groove is clamped with an annular groove formed in the outer wall of the punch body.

Preferably, the bottom end of the cylindrical table is fixedly connected with the output end of the external hydraulic cylinder.

Preferably, the three first T-shaped sliding chutes all penetrate through one side of the cylindrical table, and the three second T-shaped sliding chutes all penetrate through the other side of the cylindrical table.

The utility model discloses a drift structure for cold extrusion moulding high accuracy, its beneficial effect who possesses as follows:

the utility model is characterized in that a threaded rod is fixedly connected with the bottom end of a punch body and is in threaded connection with a threaded groove at the top end of a cylindrical table, so that the punch body is conveniently and preliminarily fixed in the cylindrical table, a first T-shaped chute and a second T-shaped chute are respectively arranged at the two sides of the top end of the cylindrical table and respectively penetrate through the two sides of the cylindrical table, so that a first clamping plate and a second clamping plate are conveniently disassembled, a first T-shaped sliding block and a second T-shaped sliding block are respectively and fixedly connected with the bottom ends of the first clamping plate and the second clamping plate, so that the first clamping plate and the second clamping plate are conveniently and slidably connected with the cylindrical table, a first connecting plate and a second connecting plate are respectively and fixedly connected with the two sides of the first clamping plate and the second clamping plate, connecting holes are oppositely arranged on the first connecting plate and the second connecting plate, two connecting holes are connected with connecting bolts, and the first clamping plate and the second clamping plate can be fixed by rotating the connecting bolts, make first splint and second splint fixed the drift body simultaneously, prevent effectively like this because drift body and cylindric lock threaded connection lead to the drift body to drop easily at the during operation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of a cylindrical table of the present invention;

FIG. 3 is a schematic view of the structure of the splint of the present invention;

fig. 4 is a schematic view of the connection structure of the punch body of the present invention.

In the figure: 1. a cylindrical table; 2. a first T-shaped chute; 3. a second T-shaped chute; 4. a threaded groove; 5. a threaded rod; 6. an annular groove; 7. a punch body; 8. a first splint; 9. a first T-shaped slider; 10. a first circular slot; 11. a first connecting plate; 12. a second connecting plate; 13. a second splint; 14. a second T-shaped slider; 15. a second circular slot.

Detailed Description

The embodiment of the utility model discloses a punch structure for cold extrusion molding high precision, as shown in figure 1-4, comprising a cylindrical table 1, wherein one side of the top end of the cylindrical table 1 is provided with three first T-shaped chutes 2, the three first T-shaped chutes 2 are arranged at equal intervals at the top end of the cylindrical table 1, the other side of the three first T-shaped chutes 2 penetrates through the other side of the cylindrical table 1, the other side of the top end of the cylindrical table 1 is provided with three second T-shaped chutes 3, the three second T-shaped chutes 3 are arranged at equal intervals at the top end of the cylindrical table 1, one side of the three second T-shaped chutes 3 penetrates through the cylindrical table 1, the middle of the top end of the cylindrical table 1 is provided with a threaded groove 4, the threaded groove 4 is in threaded connection with a threaded rod 5, the top end of the threaded rod 5 is fixedly connected with a punch body 7, the bottom of the outer wall of the punch body 7 is provided with an annular groove 6, one side of the groove wall of the annular groove 6 is clamped with a first clamping plate 8, three first T shape slider 9 of the bottom fixedly connected with of first splint 8, first circular clamping groove 10 has been seted up in the middle of one side of first splint 8, the first connecting plate 11 of the equal fixedly connected with in front and the back of first splint 8, one side fixedly connected with second connecting plate 12 of two first connecting plates 11, the opposite face fixedly connected with second splint 13 of two second connecting plates 12, the three second T shape slider 14 of bottom fixedly connected with of second splint 13, second circular clamping groove 15 has been seted up to one side that second splint 13 is close to first splint 8.

The connecting hole has been seted up to one side of first connecting plate 11, connecting hole female connection has connecting bolt, one side that first connecting plate 11 is close to second splint 13 is passed through connecting bolt and one side fixed connection that second connecting plate 12 is close to first connecting

plate

11, 9 sliding connection of first T shape slider are in the first T shape spout 2 that corresponds, 14 sliding connection of second T shape slider are in the second T shape spout 3 that corresponds, in the circular draw-in groove 15 of second with set up the 6 joints of annular groove at the 7 outer walls of drift body, the bottom of cylinder platform 1 and the output fixed connection of external pneumatic cylinder, three first T shape spout 2 all runs through one side of cylinder platform 1, three second T shape spout 3 all runs through the opposite side of cylinder platform 1.

The working principle is as follows:

referring to fig. 2:

firstly, a user fixedly connects the bottom end of a cylindrical table 1 with the output end of an external hydraulic cylinder;

referring to fig. 2 and 4:

after the cylindrical table 1 is fixed, a user connects the punch body 7 with the thread groove 4 arranged at the top end of the cylindrical table 1 in a thread manner, and the bottom groove wall of the annular groove 6 arranged at the bottom of the outer wall of the punch body 7 and the top end of the cylindrical table 1 are positioned on the same horizontal plane;

referring to fig. 2 fig. 3 and 4:

then, the user uses the first T-shaped chute 2 arranged at one side of the top end of the cylindrical table 1 and the first T-shaped slide block 9 arranged at the bottom end of the first clamping plate 8 to slidably connect the first clamping plate 8 with the cylindrical table 1, then correspondingly uses the second T-shaped chute 3 arranged at the other side of the top end of the cylindrical table 1 and the second T-shaped slide block 14 arranged at the bottom end of the second clamping plate 13 to slidably connect the second clamping plate 13 with the top end of the cylindrical table 1, and makes the first clamping plate 8 and the second clamping plate 13 contact with each other oppositely, and makes the circular clamping groove formed by combining the first circular clamping groove 10 and the second circular clamping groove 15 clamp the groove wall in the annular groove 6 arranged at the bottom of the outer wall of the punch body 7, the first connecting plate 11 and the second connecting plate 12 are fixedly connected at the two ends of the first clamping plate 8 and the second clamping plate 13 respectively, and connecting holes are arranged in the first connecting plate 11 and the second connecting plate 12, a connecting bolt is connected in the connecting hole in a threaded manner, and a user rotates the connecting bolt by using a screwdriver to fix the first connecting plate 11 and the second connecting plate 12, so that the first clamping plate 8 and the second clamping plate 13 are fixed, and the punch body 7 is fixed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a drift structure for cold extrusion moulding high accuracy, includes cylinder platform (1), its characterized in that: three first T-shaped sliding grooves (2) are formed in one side of the top end of the cylindrical table (1), three second T-shaped sliding grooves (3) are formed in the other side of the top end of the cylindrical table (1), a threaded groove (4) is formed in the middle of the top end of the cylindrical table (1), a threaded rod (5) is connected with the threaded groove (4) in an internal thread mode, a punch body (7) is fixedly connected to the top end of the threaded rod (5), an annular groove (6) is formed in the bottom of the outer wall of the punch body (7), a first clamping plate (8) is clamped on one side of the groove wall of the annular groove (6), three first T-shaped sliding blocks (9) are fixedly connected to the bottom end of the first clamping plate (8), a first circular clamping groove (10) is formed in the middle of one side of the first clamping plate (8), and first connecting plates (11) are fixedly connected to the front side and the back side of the first clamping plate (8), two one side fixedly connected with second connecting plate (12) of first connecting plate (11), two the opposite face fixedly connected with second splint (13) of second connecting plate (12), the three second T shape slider (14) of bottom fixedly connected with of second splint (13), second circular draw-in groove (15) have been seted up to one side that second splint (13) are close to first splint (8).

2. The punch structure for cold extrusion forming with high precision according to claim 1, characterized in that: a connecting hole is formed in one side of the first connecting plate (11), a connecting bolt is connected to the inner thread of the connecting hole, and one side, close to the second clamping plate (13), of the first connecting plate (11) is fixedly connected with one side, close to the first connecting plate (11), of the second connecting plate (12) through the connecting bolt.

3. The punch structure for cold extrusion forming with high precision according to claim 1, characterized in that: the first T-shaped sliding blocks (9) are connected in the corresponding first T-shaped sliding grooves (2) in a sliding mode, and the second T-shaped sliding blocks (14) are connected in the corresponding second T-shaped sliding grooves (3) in a sliding mode.

4. The punch structure for cold extrusion forming with high precision according to claim 1, characterized in that: the interior of the second round clamping groove (15) is clamped with an annular groove (6) arranged on the outer wall of the punch body (7).

5. The punch structure for cold extrusion forming with high precision according to claim 1, characterized in that: the bottom end of the cylindrical table (1) is fixedly connected with the output end of the external hydraulic cylinder.

6. The punch structure for cold extrusion forming with high precision according to claim 1, characterized in that: the three first T-shaped sliding grooves (2) penetrate through one side of the cylindrical table (1), and the three second T-shaped sliding grooves (3) penetrate through the other side of the cylindrical table (1).