CN213135892U

CN213135892U - Universal fixture for automobile parts

Info

Publication number: CN213135892U
Application number: CN202021729852.1U
Authority: CN
Inventors: 王建勇; 张盛; 刘晓君; 李海鹏; 纵荣荣; 张娜
Original assignee: Tianjin Jinliyan Automotive Engineering & Technology Co ltd
Current assignee: Tianjin Jinliyan Automotive Engineering & Technology Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-05-07
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses an automobile part universal fixturing, including 1 centre gripping unit or a plurality of centre gripping unit that cooperatees and use, arbitrary centre gripping unit all includes: frame and holding head mechanism, the frame is the box structure, and its up end is provided with the opening that is used for the holding head to pass through, holding head mechanism is including enclosing into square a plurality of holding heads, and every holding head all vertically sets up, and the lower extreme all articulates and is connected with 1Z to linear actuator, Z is connected to linear actuator lower extreme and frame are articulated, X all with frame fixed connection to linear actuator and Y to linear actuator one end, the top of the other end is on the centre gripping head that the position corresponds. The clamping device can be used for fixedly clamping various curved surface parts including automobile parts, can be controlled by an electronic circuit, and can be used for independently moving each clamping head, so that the application range is wide, and the clamping force is adjustable.

Description

Universal fixture for automobile parts

Technical Field

The utility model relates to an anchor clamps technical field especially relates to an automobile part universal fixturing.

Background

Automobile parts generally have complicated curved surface appearance, need be according to the shape of part when the different parts of fixed clamping, redesign anchor clamps structure can't accomplish universally, wastes time and energy and has increased equipment cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the application aims to provide a universal fixture for automobile parts.

For realizing the utility model discloses a purpose, the utility model provides a pair of automobile part universal fixturing, including 1 centre gripping unit or a plurality of centre gripping unit that cooperatees and use, arbitrary centre gripping unit all includes: the machine base is of a box structure, an opening for the clamping head to pass through is formed in the upper end face of the machine base,

the clamping head mechanism comprises a plurality of clamping heads which are enclosed into a square shape, each clamping head is longitudinally arranged, the lower end of each clamping head is hinged and connected with 1Z-direction linear actuator, the lower end of each Z-direction linear actuator is hinged and connected with the base,

the clamping heads which are enclosed into a square shape are arranged at one corner of the inner side of the machine base, a plurality of X-direction linear actuators which are horizontally arranged side by side are arranged on the inner wall of the machine base corresponding to one row at the outermost side, a plurality of Y-direction linear actuators which are horizontally arranged side by side are arranged on the inner wall of the machine base corresponding to one row at the outermost side, one ends of the X-direction linear actuators and one ends of the Y-direction linear actuators are fixedly connected with the machine base, and the other ends of the X-direction linear actuators and the Y-direction linear.

The number of the X-direction linear actuators is consistent with that of the corresponding clamping heads in a row, and the positions of the X-direction linear actuators are in one-to-one correspondence.

The number of the Y-direction linear actuators is consistent with that of the corresponding clamping heads in one row, and the positions of the Y-direction linear actuators are in one-to-one correspondence.

The clamping heads are all the same in size, the cross section of each clamping head is square, and the tops of the clamping heads are spherical.

The clamping heads are enclosed into a square structure, and the number of each row and each column is equal.

The X-direction linear actuator, the Y-direction linear actuator and the Z-direction linear actuator are linear motors or air cylinders.

The clamping heads which are enclosed into a square shape are arranged on one corner of the inner side of the machine base, and two faces of the clamping heads are connected with two guide blocks arranged on the machine base.

The guide block comprises a plurality of step surfaces, and each step surface is in sliding connection with the clamping head corresponding to the position.

The guide block comprises a plurality of cushion blocks which are longitudinally arranged side by side and sequentially decreased in thickness.

The inner side wall of the machine base is provided with a linear actuator machine base, and the lower end of the Z-direction linear actuator is hinged with the linear actuator machine base.

Compared with the prior art, the clamping device has the beneficial effects that various curved surface parts including automobile parts can be fixedly clamped, the clamping device can be controlled by an electronic circuit, each clamping head can move independently, the application range is wide, and the clamping force is adjustable; due to reasonable structural design, the clamp is clamped in two additional directions, so that the clamp has higher rigidity and is not influenced by the rigidity of the linear actuator; two ends of the Z-direction linear actuator are both spherical hinges, so that radial force cannot be applied in the clamping process, and the linear actuator is less damaged; the structure design is compact, the group use is convenient, and along with the improvement of precision, the number of the clamping heads can be increased by the structure, so that the clamping area of a single group of equipment is enlarged.

Drawings

FIG. 1 is a schematic external structural view of the present application;

FIG. 2 is a schematic diagram of the internal structure of the present application;

FIG. 3 is a schematic view of a cushion block mounting structure according to the present application;

FIG. 4 is a schematic view of a chuck structure according to the present application;

FIG. 5 is a schematic structural view of a clamping head and a Z-direction linear actuator according to the present application;

FIG. 6 is a schematic view of a structure of 2 clamping units according to the present application;

FIG. 7 is a schematic view of a structure of 5 clamping units according to the present application;

in the figure, 1-clamping head, 2-machine base, 3-X direction linear actuator, 4-Y direction linear actuator, 5-Z direction linear actuator, 6-cushion block, 7-spherical hinge and 9-linear actuator machine base.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-7, the utility model provides a pair of universal fixture for automobile parts, including 1 clamping unit or a plurality of clamping unit that cooperate and use, arbitrary clamping unit all includes: the clamping head 1, the linear actuator base 9 and the cushion blocks 6, wherein the cushion blocks 6 are fixed on the base 2 by bolts, the thickness of each cushion block 6 is the same, the length of each cushion block 6 is equal to that of the clamping head 1, and the width of each cushion block is slightly narrower than that of the clamping head 1; the clamping heads 1 are all the same in size, the cross sections of the clamping heads are square, the tops of the clamping heads are spherical surfaces, the clamping heads 1 are closely arranged, one sides of the clamping heads are closely attached to the cushion blocks 6, and the other sides of the clamping heads are closely attached to X, Y-direction linear actuators, because the thicknesses of the cushion blocks 6 are gradually reduced, gaps exist among the clamping heads 1, the gaps serve as allowance when the clamping heads are pushed tightly to the linear actuators in the following execution of X, Y, each clamping head 1 can be guaranteed to be stressed, and the; the linear actuator can be a linear motor, an air cylinder and other elements and is arranged in three directions, wherein the vertical upward direction in the figure is the Z direction, the left direction to the right direction is the X direction, and the front direction to the back direction is the Y direction. Each clamping head 1 is provided with a Z-direction linear actuator 5, each line of clamping heads 1 is provided with an X-direction linear actuator 3, each line of clamping heads 1 is provided with a Y-direction linear actuator 4, the actuators can be controlled by a logic circuit, after calibration, the equipment can be clamped more accurately, the clamping heads 1 and the Z-direction linear actuators 5 are connected through spherical hinges 7, the other ends of the Z-direction linear actuators 5 are connected with the base 2 through the spherical hinges 7, and the Z-direction actuators are prevented from radial force when the actuators perform pushing actions.

When the device is used, the Z-direction linear actuator 5 moves in advance, the clamping head 1 is pushed to the right position, the X-direction linear actuator 3 moves to push the clamping head 1 tightly, and finally the Y-direction linear actuator 4 moves to push the clamping head 1 fully tightly, so that the device realizes clamping and final fastening. Depending on the part, a single device may be used to clamp the part in conjunction with the flat panel, or two or more devices may be clamped in opposition.

The technical means not described in detail in the present application are known techniques.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an automobile part universal fixturing which characterized in that includes 1 clamping unit or a plurality of clamping unit that cooperate and use, and arbitrary clamping unit all includes: the machine base is of a box structure, an opening for the clamping head to pass through is formed in the upper end face of the machine base,

2. The universal fixture for automobile parts as claimed in claim 1, wherein the number of said X-directional linear actuators is the same as the number of the corresponding columns of holding heads and the positions of the X-directional linear actuators are in one-to-one correspondence.

3. The universal fixture for automobile parts as claimed in claim 2, wherein the number of said Y-directional linear actuators is the same as the number of corresponding rows of holding heads and the positions of said Y-directional linear actuators are in one-to-one correspondence.

4. The universal fixture for automobile parts as claimed in claim 1, wherein said holding heads are all the same size, square in cross section and spherical at the top.

5. The universal fixture for automobile parts as claimed in claim 1, wherein the plurality of holding heads enclose a square configuration, and the number of each row and each column is equal.

6. The universal fixture for automobile parts as claimed in claim 1, wherein said X-, Y-, and Z-direction linear actuators are linear motors or pneumatic cylinders.

7. The universal fixture for automobile parts as claimed in claim 1, wherein a plurality of clamping heads enclosing a square shape are provided at a corner of the inner side of the base, and both faces are connected with two guide blocks provided on the base.

8. The universal fixture of claim 7, wherein said guide block comprises a plurality of stepped surfaces and each stepped surface is slidably coupled to a corresponding clamp head.

9. The universal fixture for automobile parts as claimed in claim 7, wherein said guide block comprises a plurality of pads arranged side by side in a longitudinal direction and having successively decreasing thicknesses.

10. The universal fixture for automobile parts as claimed in claim 1, wherein said inner sidewall of said base is provided with a linear actuator base, and said lower end of said Z-direction linear actuator is hingedly connected to said linear actuator base.