CN216939590U

CN216939590U - Precision positioning jig

Info

Publication number: CN216939590U
Application number: CN202122231390.1U
Authority: CN
Inventors: 李宽; 谢晓永
Original assignee: Dongguan Dingsheng New Material Technology Co ltd
Current assignee: Dongguan Dingsheng New Material Technology Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-07-12
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a precise positioning jig which comprises an upper plate, wherein a lower plate is arranged below the upper plate, supporting plates are arranged on two sides of the top end of the lower plate, the top end of each supporting plate is fixedly connected with the bottom end of the upper plate, air cylinders are arranged on two sides of the top end of the lower plate, a first connecting rod is arranged at the top end of the upper plate, close to one side of each supporting plate, of each air cylinder, one end of each first connecting rod penetrates through the outer portion of each supporting plate, a first clamp spring pin is arranged at one end, far away from the supporting plate, of each first clamp spring pin, a pull rod is rotatably connected with one end, far away from the first connecting rod, of each first clamp spring pin, the top end of each pull rod extends to the outer portion of the upper plate, L-shaped block bodies are arranged on the outer walls of two sides of the pull rods, and second clamp spring pins are arranged on the outer walls, far away from one sides of the pull rods, of the L-shaped block bodies. The utility model not only achieves the purpose of precise positioning, improves the clamping effect of the jig during use, but also improves the convenience of the jig during use.

Description

Precision positioning jig

Technical Field

The utility model relates to the technical field of jigs, in particular to a precision positioning jig.

Background

With the continuous development of society, various industries are developed vigorously, so that various parts are derived, and when the parts are produced and processed, the parts need to be fixed so as to be processed by corresponding processes, so that corresponding positioning jigs need to be used.

The existing jigs in the market are inconvenient for precise clamping treatment of workpieces, so that the positioning effect is difficult to achieve and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The present invention provides a precision positioning fixture to solve the problem of the prior art that the fixture is inconvenient for precisely clamping a workpiece.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a precision positioning tool, includes the upper plate, the below of upper plate is provided with the hypoplastron, the both sides on hypoplastron top all are provided with the backup pad, the top of backup pad and the bottom fixed connection of upper plate, the both sides on hypoplastron top all are provided with the cylinder, the cylinder is close to the upper plate top of backup pad one side and is provided with the head rod, the outside to the backup pad is run through to the one end of head rod, the one end that the backup pad was kept away from to the head rod is provided with first jump ring round pin, the one end rotation that the head rod was kept away from to first jump ring round pin is connected with the pull rod, the top of pull rod extends to the outside of upper plate, all be provided with L type block on the outer wall of pull rod both sides, L type block is kept away from and is provided with second jump ring round pin on the outer wall of pull rod one side.

Preferably, the bottom of the lower plate is provided with a fourth limiting pin, and the top end of the fourth limiting pin penetrates through the outer part of the lower plate so as to limit and mount the product workpiece.

Preferably, four groups of second limiting pins are arranged at the top of the upper plate on the outer side of the pull rod, and the adjacent second limiting pins are symmetrical about the central line of the pull rod, so that the product workpiece is limited and mounted.

Preferably, two groups of first limiting pins are arranged at the top of the upper plate between the pull rods, and the first limiting pins are symmetrical about the central line of the upper plate so as to limit and mount the product workpiece.

Preferably, the top of the upper plate between the pull rods is provided with a slide rail, one end of the slide rail is provided with a side push block, and one end of the side push block, which is far away from the slide rail, is provided with a slide block, so that the side push block can laterally clamp the product.

Preferably, one end of the sliding block, which is far away from the side pushing block, is provided with a second connecting rod, and one end of the second connecting rod extends to the outside of the sliding block and is provided with a positioning seat so as to arrange and process an external hydraulic cylinder.

Preferably, the top of the upper plate on one side of the second connecting rod is provided with a third limiting pin, and one end of the third limiting pin penetrates through the outer part of the upper plate so as to limit, mount and process the product workpiece.

Compared with the prior art, the utility model has the beneficial effects that: the precision positioning jig not only achieves the purpose of precision positioning, improves the clamping effect when the jig is used, but also improves the convenience when the jig is used;

(1) the two groups of cylinders are arranged at the top end of the lower plate, so that the cylinders drive the first connecting rod to translate, and the first connecting rod drives the pull rod to rotate through the first snap spring pin, so that the two groups of pull rods can precisely clamp a workpiece, and after the workpiece is machined, the pull rod can be reset to the original position through the second snap spring pin and the L-shaped block body, so that the purpose of precise positioning is achieved;

(2) the positioning seat is pulled downwards to drive the sliding block to slide in the sliding rail through the second connecting rod, so that the side pushing block rotates, the workpiece can be conveniently laterally clamped through the side pushing block, and the clamping effect of the jig during use is improved;

(3) through installing second spacer pin, first spacer pin and third spacer pin in the top of upper plate, and install the fourth spacer pin in the bottom of hypoplastron to make the tool have good limit function, and then can be convenient for fix a position the installation and handle the product, thereby the convenience when having improved the tool and using.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic three-dimensional structure of the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. an upper plate; 2. a support plate; 3. a lower plate; 4. a cylinder; 5. a first connecting rod; 6. a first circlip pin; 7. a first limit pin; 8. an L-shaped block body; 9. a pull rod; 10. a second circlip pin; 11. positioning seats; 12. a second limit pin; 13. a slide rail; 14. a side push block; 15. a slider; 16. a second connecting rod; 17. a third limit pin; 18. and a fourth limit pin.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: a precision positioning jig comprises an upper plate 1, a lower plate 3 is arranged below the upper plate 1, a fourth limiting pin 18 is arranged at the bottom of the lower plate 3, and the top end of the fourth limiting pin 18 penetrates through the outer part of the lower plate 3;

when in use, the fourth limit pin 18 is arranged at the bottom of the lower plate 3, so that the limit installation treatment is carried out on a product workpiece;

the two sides of the top end of the lower plate 3 are both provided with supporting plates 2, the top end of each supporting plate 2 is fixedly connected with the bottom end of the upper plate 1, the two sides of the top end of the lower plate 3 are both provided with cylinders 4, the top end of the upper plate 1, close to one side of the supporting plates 2, of each cylinder 4 is provided with a first connecting rod 5, one end of each first connecting rod 5 penetrates through the outer portion of the corresponding supporting plate 2, one end, far away from the corresponding supporting plate 2, of each first connecting rod 5 is provided with a first clamp spring pin 6, one end, far away from the corresponding first connecting rod 5, of each first clamp spring pin 6 is rotatably connected with a pull rod 9, the top end of each pull rod 9 extends to the outer portion of the corresponding upper plate 1, the top of the corresponding upper plate 1, on the outer side of each pull rod 9, four groups of second limiting pins 12 are arranged, and adjacent second limiting pins 12 are symmetrical about the center line of the pull rods 9;

when in use, the second limit pin 12 is arranged at the top of the upper plate 1, so that the limit installation treatment is carried out on a product workpiece;

two groups of first limiting pins 7 are arranged at the top of the upper plate 1 between the pull rods 9, and the first limiting pins 7 are symmetrical about the central line of the upper plate 1;

when in use, the first limit pin 7 is arranged at the top of the upper plate 1, so that the product workpiece is limited and mounted;

a slide rail 13 is arranged at the top of the upper plate 1 between the pull rods 9, a side push block 14 is arranged at one end of the slide rail 13, and a slide block 15 is arranged at one end of the side push block 14 far away from the slide rail 13;

when in use, the sliding block 15 is positioned inside the sliding rail 13 to slide so as to laterally clamp a product through the lateral push block 14;

one end of the sliding block 15, which is far away from the side pushing block 14, is provided with a second connecting rod 16, and one end of the second connecting rod 16 extends to the outside of the sliding block 15 and is provided with a positioning seat 11;

when the positioning seat is used, the positioning seat 11 is arranged at one end of the sliding block 15 through the second connecting rod 16 so as to arrange and process the external hydraulic cylinder;

a third limiting pin 17 is arranged at the top of the upper plate 1 at one side of the second connecting rod 16, and one end of the third limiting pin 17 penetrates through the outer part of the upper plate 1;

when in use, the third limit pin 17 is arranged at the bottom of the lower plate 3, so that the limit installation treatment is carried out on a product workpiece;

the outer walls of two sides of the pull rod 9 are provided with L-shaped block bodies 8, and the outer wall of one side, far away from the pull rod 9, of each L-shaped block body 8 is provided with a second clamp spring pin 10.

When the tool is used, the second limiting pin 12, the first limiting pin 7 and the third limiting pin 17 are installed at the top of the upper plate 1, and the fourth limiting pin 18 is installed at the bottom of the lower plate 3, so that the tool has a good limiting function, and further, positioning, installation and treatment can be conveniently carried out on a product, then, the two groups of cylinders 4 are arranged at the top end of the lower plate 3, so that the cylinders 4 drive the first connecting rod 5 to move horizontally, the first connecting rod 5 drives the pull rod 9 to rotate through the first clamp spring pin 6, so that the two groups of pull rods 9 carry out precise clamping treatment on the workpiece, after the workpiece is machined, the pull rods 9 can be reset to the original position through the second clamp spring pin 10 and the L-shaped block 8, so that the workpiece product is loosened, further, blanking treatment can be conveniently carried out on the workpiece, and then, the operations are repeated, so that subsequent workpieces can be clamped and positioned, and then can be convenient for carry out relevant technology to the work piece and handle, through pulling positioning seat 11 downwards at last, make it drive slider 15 through second connecting rod 16 and lie in the inside of slide rail 13 and slide to make side ejector pad 14 rotate, and then can be convenient for carry out the side direction centre gripping through side ejector pad 14 to the work piece and handle, thereby accomplish the use of tool.

Claims

1. The precision positioning jig is characterized by comprising an upper plate (1), a lower plate (3) is arranged below the upper plate (1), supporting plates (2) are arranged on two sides of the top end of the lower plate (3), the top end of each supporting plate (2) is fixedly connected with the bottom end of the upper plate (1), air cylinders (4) are arranged on two sides of the top end of the lower plate (3), a first connecting rod (5) is arranged at the top end of the upper plate (1), which is close to one side of each supporting plate (2), of each air cylinder (4), one end of each first connecting rod (5) penetrates through the outer portion of each supporting plate (2), a first clamp spring pin (6) is arranged at one end, which is far away from the supporting plates (2), of each first clamp spring pin (6), one end, which is far away from the first connecting rods (5), is rotatably connected with a pull rod (9), the top end of each pull rod (9) extends to the outer portion of the upper plate (1), the outer walls of two sides of the pull rod (9) are provided with L-shaped blocks (8), and the outer wall of one side, far away from the pull rod (9), of each L-shaped block (8) is provided with a second clamp spring pin (10).

2. The precision positioning jig of claim 1, wherein: a fourth limiting pin (18) is installed at the bottom of the lower plate (3), and the top end of the fourth limiting pin (18) penetrates through the outer portion of the lower plate (3).

3. The precision positioning jig of claim 1, wherein: four groups of second limiting pins (12) are arranged at the top of the upper plate (1) on the outer side of the pull rod (9), and the adjacent second limiting pins (12) are symmetrical about the center line of the pull rod (9).

4. The precision positioning jig of claim 1, wherein: two groups of first limiting pins (7) are arranged at the top of the upper plate (1) between the pull rods (9), and the first limiting pins (7) are symmetrical about the central line of the upper plate (1).

5. The precision positioning jig of claim 1, wherein: the top of the upper plate (1) between the pull rods (9) is provided with a slide rail (13), one end of the slide rail (13) is provided with a side push block (14), and one end, away from the slide rail (13), of the side push block (14) is provided with a slide block (15).

6. The precision positioning jig of claim 5, wherein: one end of the sliding block (15), which is far away from the side push block (14), is provided with a second connecting rod (16), and one end of the second connecting rod (16) extends to the outside of the sliding block (15) and is provided with a positioning seat (11).

7. The precision positioning jig of claim 6, wherein: the top of the upper plate (1) on one side of the second connecting rod (16) is provided with a third limiting pin (17), and one end of the third limiting pin (17) penetrates through the outer part of the upper plate (1).