CN219121892U

CN219121892U - FPC tensile test equipment chuck

Info

Publication number: CN219121892U
Application number: CN202223541887.4U
Authority: CN
Inventors: 张恒铵; 张志强; 李欣琳
Original assignee: Shandong Huayuan Touch Display Technology Co ltd
Current assignee: Shandong Huayuan Touch Display Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-02
Anticipated expiration: 2032-12-16

Abstract

A chuck of FPC tensile testing equipment comprises a connecting seat, wherein a connecting part is fixedly arranged at the top of the connecting seat; the bottom of the connecting seat is fixedly provided with a static clamping plate, one side of the static clamping plate is fixedly provided with an air cylinder, a piston rod of the air cylinder penetrates through the static clamping plate and is fixedly connected with a movable clamping plate, the movable clamping plate is arranged on the other side of the static clamping plate corresponding to the air cylinder, and the movable clamping plate moves back and forth under the action of the air cylinder; the bottoms of the static clamping plate and the dynamic clamping plate are fixedly provided with symmetrically arranged clamping teeth. The utility model can change the original clamping mode of manually fixing, improve the convenience of clamping operation, improve the testing efficiency and reduce the operation difficulty.

Description

FPC tensile test equipment chuck

Technical Field

The utility model relates to the technical field of test mechanical equipment, in particular to a chuck of FPC tensile test equipment.

Background

FPC is Flexible Printed Circuit, chinese name is flexible circuit board, is a printed circuit with high reliability and excellent flexibility made of polyimide or polyester film as base material, and is formed by embedding circuit design on a flexible thin plastic sheet to stack a large number of precise elements in a narrow and limited space. The circuit can be bent at will, has light folding weight, small volume, good heat dissipation and convenient installation, and breaks through the traditional interconnection technology.

Before the FPC is applied to production and manufacture, a series of reliability verification needs to be carried out on the FPC, wherein the reliability verification comprises a tensile test on the FPC so as to detect the stability of the FPC; generally, carry out tensile testing to FPC, need adopt tensile testing equipment to test, wherein adopt the chuck to fix FPC, traditional chuck adopts the bolt to press from both sides tightly fixedly to FPC between two clamp splice, and complex operation, test efficiency is low, uses inconvenient.

Therefore, there is a need for a chuck of an FPC tensile testing apparatus, which can change the original manual clamping mode, improve the convenience of clamping operation, improve the testing efficiency, and reduce the operation difficulty.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the clamping head of the FPC tensile testing equipment can change the original clamping mode of manually fixing, improves the convenience of clamping operation, improves the testing efficiency and reduces the operation difficulty.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the chuck of the FPC tensile testing equipment comprises a connecting seat, wherein a connecting part is fixedly arranged at the top of the connecting seat;

the bottom of the connecting seat is fixedly provided with a static clamping plate, one side of the static clamping plate is fixedly provided with an air cylinder, a piston rod of the air cylinder penetrates through the static clamping plate and is fixedly connected with a movable clamping plate, the movable clamping plate is arranged on the other side of the static clamping plate corresponding to the air cylinder, and the movable clamping plate moves back and forth under the action of the air cylinder;

the bottom of static splint with the equal fixed mounting of movable splint has the clamp tooth of symmetry setting.

Preferably, the connecting portion is a connecting rod provided with external threads.

Preferably, the connecting part is a connecting pipe provided with internal threads.

Preferably, the bottom of connecting seat has seted up at least one spout, be provided with on the movable clamp plate with spout sliding fit's sliding part, sliding part with movable clamp plate integrated into one piece just with the quantity one-to-one of spout.

Preferably, the number of the sliding grooves is two.

Preferably, the clamping teeth are inverted teeth which are obliquely arranged upwards.

Preferably, the included angle between the clamping teeth and the static clamping plate and the included angle between the clamping teeth and the dynamic clamping plate are all 30-45 degrees.

After the technical scheme is adopted, the utility model has the beneficial effects that:

according to the utility model, the connecting part is fixedly arranged at the top of the connecting seat, and can fixedly connect the tension testing device with the tension testing device, so that the tension testing device is fixed, and the use requirement is met; the bottom fixed mounting of connecting seat has quiet splint, quiet splint is fixed the cylinder, the piston rod of cylinder runs through quiet splint and moves splint fixed connection, wherein, move the opposite side that the splint corresponds the cylinder and set up in quiet splint, move splint can reciprocate under the effect of cylinder, the equal fixed mounting in bottom of moving splint, quiet splint has the clamp tooth that the symmetry set up, the cylinder drives the in-process that moves splint and remove to being close to quiet splint, clamp tooth on the movable splint is close to the clamp tooth on the quiet splint, realize fixing FPC between the two, in tensile test, the existence of clamp tooth, can prevent FPC removes, the clamping effect has been improved, the original clamp mode that adopts artifical screw bolt to carry out FPC has been improved clamping operation's convenience, test efficiency has been improved, the operation degree of difficulty has been reduced.

Because at least one spout has been seted up to the bottom of connecting seat, be provided with on the movable clamp plate with spout sliding fit's sliding part, sliding part and movable clamp plate integrated into one piece just with the quantity one-to-one of spout, under the effect of cylinder, the sliding part on the movable clamp plate can slide along the spout, stability when having improved movable clamp plate and moving, simultaneously, press from both sides tooth and the stationary clamp plate on pressing from both sides tooth combined action when pressing from both sides the FPC clamp, the spout can carry out the butt to sliding part, prevent to receive the condition that the deformation appears because movable clamp plate bottom receives the reaction force guide actuation clamp plate of clamp and piston rod junction, the life of movable clamp plate has been prolonged, the result of use of movable clamp plate has been improved.

In conclusion, the clamping method can change the original clamping mode of manually fixing, improves the convenience of clamping operation, improves the testing efficiency and reduces the operation difficulty.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the connecting portion in FIG. 1;

FIG. 3 is a schematic view of the chute of FIG. 1;

FIG. 4 is a schematic view of the movable clamp plate of FIG. 1;

in the figure:

1. a connecting seat; 11. a chute; 21. a connecting rod; 22. a connecting pipe; 3. a static clamping plate; 4. a cylinder; 41. a piston rod; 5. a movable clamping plate; 51. a sliding part; 6. and (5) clamping teeth.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1 and 2, the utility model comprises a connecting seat 1, wherein a connecting part is fixedly arranged at the top of the connecting seat 1, the connecting part can be a connecting rod 21 provided with external threads or a connecting pipe 22 provided with internal threads, and a worker can select a proper connecting part by himself aiming at the connecting parts of different tensile testing equipment, so that the application range is enlarged.

The bottom fixed mounting of connecting seat 1 has quiet splint 3, and the outside fixed mounting of one side of quiet splint 3 has cylinder 4, and the piston rod 41 of cylinder 4 runs through quiet splint 3 and moves splint 5 fixed connection, moves splint 5 and corresponds cylinder 4 setting in the opposite side of quiet splint 3, moves splint 5 reciprocating motion under the effect of cylinder 4.

The bottoms of the static clamping plate 3 and the dynamic clamping plate 5 are fixedly provided with clamping teeth 6 which are symmetrically arranged.

When carrying out clamp fastening to FPC, cylinder 4 drives movable clamp plate 5 to be close to the unwrapping wire removal of quiet splint 3, and the clamp tooth 6 on the movable clamp plate 5 is close to clamp tooth 6 on quiet splint 3, realizes fixing FPC between the two, in tensile test, because the existence of clamp tooth 6 can prevent FPC removes, has improved the tight effect of clamp, has changed the clamp mode that originally adopts the manual tightening bolt to carry out FPC, has improved the convenience of clamp operation, has improved test efficiency, has reduced the operation degree of difficulty.

Wherein, press from both sides tooth 6 and is the pawl that sets up obliquely, press from both sides the contained angle between tooth 6 and the static splint 3, press from both sides the contained angle between tooth 6 and the movable splint 5 and be 30 ~ 45, set up to the chamfer, can prevent that FPC from removing the drop at the in-process that carries out tensile test to FPC, improved result of use.

As shown in fig. 3 and 4, at least one chute 11 is formed at the bottom of the connection seat 1, and preferably, the number of the chute 11 is two. The movable clamping plate 5 is provided with sliding parts 51 which are in sliding fit with the sliding grooves 11, and the sliding parts 51 and the movable clamping plate 5 are integrally formed and correspond to the number of the sliding grooves 11 one by one. Under the effect of cylinder 4, sliding part 51 on moving splint 5 can follow spout 11 and slide, improved the stability when moving splint 5, simultaneously, press from both sides tooth 6 on moving splint 5 and press from both sides tooth 6 co-action on static splint 3 and press from both sides the FPC and press from both sides tightly, under the reaction force, the bottom of spout 11 can carry out the butt to sliding part 51, prevent because moving splint 5 bottom receives the reaction force that presss from both sides and lead the condition that actuating splint 5 and piston rod 41 junction warp to appear, prolonged moving splint 5's life, improved moving splint 5's result of use.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The FPC tensile testing equipment chuck is characterized by comprising a connecting seat, wherein a connecting part is fixedly arranged at the top of the connecting seat;

2. The FPC tensile testing device clip of claim 1, wherein the connection portion is a connection rod provided with external threads.

3. The FPC tensile testing device cartridge of claim 1, wherein the connection portion is a connection pipe provided with internal threads.

4. The FPC tensile testing equipment chuck according to claim 1, wherein at least one sliding groove is formed in the bottom of the connecting seat, sliding parts which are in sliding fit with the sliding grooves are arranged on the movable clamping plates, and the sliding parts are integrally formed with the movable clamping plates and correspond to the sliding grooves in number one by one.

5. The FPC tensile testing device clip of claim 4, wherein the number of runners is two.

6. The FPC tensile testing device clip of claim 1, wherein the clip teeth are inverted teeth disposed obliquely upward.

7. The FPC tensile testing device cartridge of claim 6, wherein an included angle between the clamping teeth and the stationary clamping plate and an included angle between the clamping teeth and the movable clamping plate are all 30-45 °.