CN219337743U

CN219337743U - Adjustable clamping jaw mechanism

Info

Publication number: CN219337743U
Application number: CN202223188587.2U
Authority: CN
Inventors: 武宝利; 李闯
Original assignee: Qiongyi Technology Co ltd
Current assignee: Qiongyi Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-07-14
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses an adjustable clamping jaw mechanism, which relates to the technical field of logistics clamping mechanisms and comprises a mounting plate, an opening and closing cylinder arranged on the mounting plate, and two clamping jaw assemblies arranged on the movable end of the opening and closing cylinder; each clamping jaw assembly comprises a guide block, clamping jaws and a guide rod connected with the guide block and the clamping jaws, wherein the two guide blocks are respectively fixed on two transmission parts of an opening and closing cylinder, one end of the guide rod is fixedly connected with the clamping jaws, the other end of the guide rod penetrates through the guide block and is connected with the guide block in an adjustable mode, the guide rod is connected with the other guide block in a penetrating mode, and the stroke between the two clamping jaws is adjusted by adjusting the connection position between the guide rod and the guide block. The utility model has the advantages of simple structure, strong compatibility and the like, and the space between the two clamping jaws can be adjusted by adjusting the tightness of the tensioning screw according to different product sizes, so that products with different lengths can be clamped under the condition of not changing the stroke of the air cylinder, and the utility model has strong practicability.

Description

Adjustable clamping jaw mechanism

Technical Field

The utility model relates to the technical field of material clamping mechanisms, in particular to an adjustable clamping jaw mechanism.

Background

The clamping jaw mechanism is used for clamping and carrying various materials in the production and processing process, and the materials are transferred from one station to the next station.

The clamping jaw mechanism used at present has single function and poor compatibility, after the clamping jaw mechanism picks up a product, as the stroke of the air cylinder is a fixed value, the size of the product is not uniform, if the length value of the product changes, the clamping jaw is required to be customized again to clamp the product, otherwise, the product cannot be clamped, particularly for some large-size products, in order to increase the stroke of the clamping jaw mechanism, the body type of the clamping jaw mechanism is correspondingly increased, and the excessive installation space is occupied when the clamping jaw mechanism is installed.

Disclosure of Invention

The utility model aims to solve the problems, and designs an adjustable clamping jaw mechanism, wherein the distance between two clamping jaws in the clamping jaw mechanism can be adjusted according to the change of the size of a product.

The technical scheme of the utility model for achieving the purpose is that the adjustable clamping jaw mechanism comprises a mounting plate, an opening and closing cylinder arranged on the mounting plate, and two clamping jaw assemblies arranged on the movable end of the opening and closing cylinder;

each clamping jaw assembly comprises a guide block, clamping jaws and a guide rod connected with the guide blocks and the clamping jaws, wherein the two guide blocks are respectively fixed on two transmission parts of the opening and closing cylinder, one end of each guide rod is fixedly connected with the clamping jaw, the other end of each guide rod passes through each guide block and is adjustably connected with the corresponding guide block, the guide rods are alternately connected with the other guide block, and the stroke between the two clamping jaws is adjusted by adjusting the connection positions of the guide rods and the two guide blocks respectively;

the opening and closing cylinder drives the two guide blocks to move oppositely or back to back, so that the two clamping jaws are driven to open and close by the guide rods.

Further, the opening and closing cylinder comprises a cylinder body and two sliding heads which are in sliding connection with the front end of the cylinder body, and guide blocks in the two clamping jaw assemblies are respectively installed and fixed on the two sliding heads.

Further, the clamping jaw comprises a fixed plate and a clamping head arranged on the inner side of the fixed plate, and the cross section of the clamping head is L-shaped.

Further, two first mounting holes which are diagonally distributed are formed in the fixing plate, two second mounting holes which are diagonally distributed are formed in the guide block, one end of the guide rod is fixed in the first mounting hole in the fixing plate, and the other end of the guide rod penetrates through the second mounting hole in the guide block, and the middle position of the guide rod is fixed with the guide block through an expansion screw.

Further, two first penetrating holes which are diagonally distributed are formed in the fixing plate, two second penetrating holes which are diagonally distributed are formed in the guide block, and the first penetrating holes and the second penetrating holes are located on the same straight line.

Further, one end of the guide rod, which is far away from the clamping jaw, passes through the second mounting hole on the guide block, is connected with the second penetration Kong Chuancha on the other guide block, and is penetrated and connected with the first penetration hole on the other guide block under the drive of the opening and closing cylinder.

Compared with the prior art, the beneficial effects are that:

the utility model has the advantages of simple structure, strong compatibility and the like, the guide rod is driven to move by the air cylinder, so that the two clamping jaws are driven to move to clamp a product, the space between the two clamping jaws can be adjusted by adjusting the tightness of the tensioning screw according to different sizes of the product, and products with different lengths can be clamped under the condition of not changing the stroke of the air cylinder, so that the utility model has strong practicability.

Drawings

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

FIG. 2 is a schematic view of the structure of the opening and closing cylinder in the present utility model;

FIG. 3 is a schematic view of the structure of the guide block of the present utility model;

fig. 4 is a schematic structural view of the fixing plate in the present utility model.

In the figure, 1, a mounting plate; 2. an opening and closing cylinder; 21. a cylinder body; 22. a slider; 3. a jaw assembly; 31. a guide block; 311. a first mounting hole; 312. a first through jack; 32. a guide rod; 33. a clamping jaw; 331. a fixing plate; 3311. a second mounting hole; 3312. a second through jack; 332. a chuck.

Detailed Description

The utility model is specifically described below with reference to the accompanying drawings, as shown in fig. 1, an adjustable clamping jaw mechanism mainly comprises a mounting plate 1, an opening and closing cylinder 2 and two clamping jaw assemblies 3, wherein the opening and closing cylinder 2 is fixedly mounted on the mounting plate 1, the whole mechanism is mounted and fixed on a corresponding assembly mechanism through the mounting plate 1, as shown in fig. 2, the opening and closing cylinder 2 consists of two parts of a cylinder body 21 and a sliding head 22, two sliding heads 22 are respectively connected with the front end of the cylinder body 21 in a sliding manner, the cylinder body 21 drives the two sliding heads 22 to move in opposite directions or in opposite directions, and the two clamping jaw assemblies 3 are respectively mounted and fixed on the two sliding heads 22.

The clamping jaw components 3 are composed of a guide block 31, clamping jaws 33 and a plurality of guide rods 32, wherein the clamping jaws 33 comprise a fixed plate 331 and clamping heads 332 arranged on the inner side of the fixed plate 331, the guide blocks 31 in the two clamping jaw components 3 are respectively installed and fixed on two sliding heads 22, as shown in fig. 3 and 4, two diagonally distributed second installation holes 3311 and two diagonally distributed second penetration holes 3312 are formed in the guide blocks 31, two diagonally distributed first installation holes 311 and two diagonally distributed first penetration holes 312 are formed in the fixed plate 331, in the embodiment, two guide rods 32 are arranged in each clamping jaw component 3, a total of four guide rods 32 are mutually parallel, two ends of each guide rod 32 are fixedly connected with the first installation holes 311 on the fixed plate 331, the other ends penetrate through corresponding second installation holes 1 on the guide blocks 31 and are connected with the second penetration holes 3312 on the other guide blocks 31, simultaneously, the two guide rods 32 and the two diagonally distributed first penetration holes 312 are respectively arranged on the clamping jaws 31, and the clamping jaws 31 are respectively connected with the second penetration holes 3313 in a straight line mode, and the clamping jaws 33 are respectively arranged in the straight line mode, and the two straight line directions of the straight line directions are not influenced by the two straight line directions of the two straight line directions and the straight line directions of the straight line directions and the straight line directions.

The cross section of the clamping head 332 on the inner side of the fixing plate 331 is in an L shape, and after the two clamping jaws 33 clamp the product, the two ends of the product are supported by the clamping head 332, and the product is placed to drop in the moving process; if the size of the product is too large or too small, the clamping can not be performed, the position of the guide rod 32 can be adjusted by adjusting the tightness of the tensioning screw on the guide block 31, the space between the two clamping jaws 33 is adjusted to adapt to products with different sizes, after the adjustment is finished, the tensioning screw is screwed up, then normal work can be started, and in this way, the space between the two clamping jaws 33 can be increased or reduced under the condition that the stroke of the air cylinder is unchanged, so that the clamping of products with different sizes is satisfied, the structure is simple, and the compatibility is strong.

The above technical solution only represents the preferred technical solution of the present utility model, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present utility model, and the technical solution falls within the scope of the present utility model.

Claims

1. The adjustable clamping jaw mechanism is characterized by comprising a mounting plate (1), an opening and closing cylinder (2) mounted on the mounting plate (1), and two clamping jaw assemblies (3) mounted on the movable end of the opening and closing cylinder (2);

each clamping jaw assembly (3) comprises a guide block (31), clamping jaws (33) and a guide rod (32) for connecting the guide blocks (31) and the clamping jaws (33), wherein the two guide blocks (31) are respectively fixed on two transmission parts of the opening and closing cylinder (2), one end of each guide rod (32) is fixedly connected with the clamping jaw (33), the other end of each guide rod passes through the guide block (31) and is adjustably connected with the guide block (31), the other guide rods are alternately connected with the other guide block (31), and the stroke between the two clamping jaws (33) is adjusted by adjusting the connection positions between the guide rods (32) and the two guide blocks (31);

the opening and closing cylinder (2) drives the two guide blocks (31) to move in opposite directions or back to back, so that the two clamping jaws (33) are driven to open and close by the guide rods (32).

2. An adjustable jaw mechanism according to claim 1, characterized in that the opening and closing cylinder (2) comprises a cylinder body (21) and two sliders (22) slidably connected to the front end of the cylinder body (21), and guide blocks (31) in the two jaw assemblies (3) are respectively mounted and fixed on the two sliders (22).

3. An adjustable jaw mechanism according to claim 1, characterized in that the jaw (33) comprises a fixed plate (331) and a collet (332) arranged inside the fixed plate (331), the collet (332) having an "L" shape in cross-section.

4. An adjustable clamping jaw mechanism according to claim 3, characterized in that the fixed plate (331) is provided with two first mounting holes (311) which are diagonally distributed, the guide block (31) is provided with two second mounting holes (3311) which are diagonally distributed, one end of the guide rod (32) is fixed in the first mounting hole (311) on the fixed plate (331), and the other end passes through the second mounting hole (3311) on the guide block (31) and the middle position of the guide rod (32) is fixed with the guide block (31) through an expansion screw.

5. An adjustable clamping jaw mechanism according to claim 3, characterized in that the fixed plate (331) is provided with two first insertion holes (312) which are diagonally distributed, the guide block (31) is provided with two second insertion holes (3312) which are diagonally distributed, and the first insertion holes (312) and the second insertion holes (3312) are positioned on the same straight line.

6. An adjustable clamping jaw mechanism according to claim 5, wherein one end of the guide rod (32) far away from the clamping jaw (33) passes through the second mounting hole (3311) on the guide block (31), is connected with the second through jack (3312) on the other guide block (31) in a penetrating way, and is connected with the first through jack (312) on the other guide block (31) in a penetrating way under the driving of the opening and closing cylinder (2).