CN213022684U

CN213022684U - Bending strength testing mechanism of flexible circuit board

Info

Publication number: CN213022684U
Application number: CN202022269729.2U
Authority: CN
Inventors: 肖华
Original assignee: Jiangxi Zhongdatai Technology Co ltd
Current assignee: Jiangxi Zhongdatai Technology Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-04-20
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses an anti-bending strength testing mechanism of a flexible circuit board, which comprises a workbench, a first supporting platform fixedly connected with one side of the top surface of the workbench, the top of the first supporting platform is provided with a motor, the output end of the motor is provided with a turntable, the output end of the motor is eccentrically arranged on the turntable, the top surface of the first supporting platform is provided with a supporting plate, the supporting plate is sleeved with a movable rod, the bottom end of the movable rod is provided with a limiting plate, the movable rod is sleeved with a spring, one end of the spring is connected with the limiting plate, the other end of the spring is connected with the supporting plate, the top of the movable rod is fixedly connected with a mandril, the mandril is connected with a pressure rod, the bottom end of the pressure rod is fixedly connected with a first clamping plate, the first clamping plate is matched with a second clamping, the two connecting rods are connected with the pressing plate through the second bolt, and the purpose of testing the bending strength of the flexible circuit board is achieved.

Description

Bending strength testing mechanism of flexible circuit board

Technical Field

The utility model relates to a flexible line production technical field specifically is an anti intensity accredited testing organization that buckles of flexible line way board.

Background

Flexible circuit boards, also known as "flexible boards," are printed circuits made from flexible, insulating substrates. In order to ensure the quality of the flexible circuit board used in the electronic product, the flexible circuit board needs to be subjected to bending strength test before leaving the factory, and unqualified products are removed in time. The existing mechanism for testing the bending strength of the flexible circuit board firstly horizontally places the flexible circuit board in the detection process of the flexible circuit board, then fixes one end of the flexible circuit board, and applies force to the other end of the flexible circuit board to test the bending strength of the flexible circuit board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti intensity of buckling accredited testing organization of flexible line way board has solved the problem of mentioning in the above-mentioned technical background. In order to achieve the above object, the utility model provides a following technical scheme: a bending strength testing mechanism of a flexible circuit board comprises a workbench, wherein a first supporting table is fixedly connected to one side of the top surface of the workbench, a motor is arranged at the top of the first supporting table, a rotary disc is arranged at the output end of the motor, the output end of the motor is eccentrically arranged on the rotary disc, a supporting plate is arranged on the top surface of the first supporting table, a movable rod is sleeved on the supporting plate, a movable wheel is arranged at the bottom of the movable rod, a limiting plate is arranged at the bottom end of the movable rod, a spring is sleeved on the movable rod, one end of the spring is connected with the limiting plate, the other end of the spring is connected with the supporting plate, the movable wheel is matched with the rotary disc, a top rod is fixedly connected with the top of the movable rod, a pressure rod is connected onto the top rod through a bolt, a first clamping plate is fixedly connected to, the first clamping plate is matched with the second clamping plate, one side of the first supporting table is far away from the top surface of the workbench, a second supporting table is arranged on one side of the first supporting table, connecting rods are arranged on the front end surface and the rear end surface of the second supporting table through rotating shafts, and the connecting rods are connected with pressing plates through second bolts.

Preferably, the outer circular surface of the turntable is provided with a groove, and the groove is matched with the movable wheel.

Preferably, the first clamping plate, the second clamping plate and the two pressing plates are all provided with protective rubber.

Preferably, the output end of the motor is provided with a gearbox.

To sum up, the utility model discloses following beneficial effect has:

this kind of flexible line way board's anti intensity accredited testing organization that buckles, through setting up two clamp plates, the realization is fixed the flexible line way board on the workstation, cooperation through splint one and splint two, the realization is pressed from both sides the one end of flexible line way board tightly, through the carousel, the movable rod, a spring, the cooperation of limiting plate and backup pad, make the depression bar on the ejector pin be the back and forth movement, upwards and decurrent power is applyed to the one end of realizing splint one and the two pairs of flexible line way board of splint, thereby reached the mesh to the anti intensity accredited testing of buckling of flexible line way board, cooperation through carousel and motor eccentric connection and spring, make splint one and the one end of the two pairs of flexible line way board of.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 is a side view of a second support table of the present invention;

FIG. 3 is an enlarged view of the utility model at A;

FIG. 4 is a schematic view of the turntable when the movable rod of the present invention moves to the lowest end;

FIG. 5 is a schematic view of the turntable when the movable rod of the present invention moves to the uppermost end;

fig. 6 is an enlarged view of the position B of the present invention.

In the figure: the device comprises a workbench 1, a first support platform 2, a motor 3, a turntable 301, a top rod 401, a pressure rod 402, a first clamping plate 403, a first bolt 404, a third bolt 405, a second clamping plate 406, a rotating shaft 5, a connecting rod 501, a second bolt 502, a pressure plate 503, a second support platform 504, a groove 6, a gearbox 7, a support plate 8, a movable rod 801, a movable wheel 802, a limiting plate 803 and a spring 804.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a first supporting table 2 is fixedly connected to one side of the top surface of a worktable 1, a motor 3 is disposed at the top of the first supporting table 2, a turntable 301 is disposed at the output end of the motor 3, the output end of the motor 3 is eccentrically disposed on the turntable 301, a supporting plate 8 is disposed at the top surface of the first supporting table 2, the supporting plate 8 is in an inverted L-shaped structure, a movable rod 801 is sleeved on the top of the inverted L-shaped supporting plate 8, a movable wheel 802 is disposed at the bottom of the movable rod 801, the movable wheel 802 is disposed on the outer circumferential surface of the turntable 301, a limiting plate 803 is disposed at the bottom end of the movable rod 801, the limiting plate 803 is disposed above the movable wheel 802, a spring 804 is sleeved on the movable rod 801, one end of the spring 804 is connected to the limiting plate 803, the other end of the spring 804 is connected to the supporting plate 8, the movable wheel 802 is matched with the turntable, the movable wheel 802 in contact with the turntable 301 generates up-and-down movement, the movable wheel 802 drives the first clamping plate 403 and the second clamping plate 406 to move up and down, a flexible force is applied to one end clamped by the flexible circuit board, the force is a curved force and cannot be subjected to a rigid force, the bending strength of the flexible circuit board is better tested, when the turntable 301 rotates to enable the movable wheel 802 to be closest to the rotating shaft position of the motor 3, the spring 804 is at an initial position, the first clamping block 403 and the second clamping block 406 on the pressure lever 402 are at the lowest part of the second supporting table 504, when the turntable 301 rotates to enable the movable wheel 802 to move upwards from the lowest part, the movable wheel 802 drives the movable rod 801 to move upwards, the movable rod 801 drives the limiting plate 803 to extrude the spring 804 upwards, when the point on the outer surface of the turntable 301, which is farthest from the rotating shaft of the motor 3, and the first clamping block 403 and the second clamping block 406 on the pressure lever 402 are at the same horizontal position as the top surfaces of the second supporting table 504, when the turntable 301 rotates to move the movable wheel 802 to the uppermost end, the movable wheel 802 is farthest away from the rotating shaft of the motor 3, the spring 804 is squeezed, the first clamping block 403 and the second clamping block 406 on the press rod 402 are positioned at the uppermost end of the second supporting platform 504, when the turntable 301 rotates to move the movable wheel 802 downward from the uppermost end, the movable wheel 802 starts to move downward through the elastic force restored by the spring 804, the first clamping block 403 and the second clamping block 406 on the press rod 402 start to move downward at the uppermost end of the second supporting platform 504, when the spring 804 restores to the initial position, the first clamping block 403 and the second clamping block 406 on the press rod 402 are positioned at the lowermost end of the second supporting platform 504, the bending strength test of the flexible circuit board is completed once upward and downward, when the first clamping block 403 and the second clamping block 406 move at the uppermost end and the lowermost end, the distance from the top surface of the second supporting platform 504 is equal to the distance from the top surface of the second supporting platform 504, the top of the movable rod 801 is fixedly connected with an ejector rod 401, the ejector rod 401 is connected with a pressure rod 402 through a first bolt 404, the pressure rod 402 moves left and right on the ejector rod 401 by screwing the first bolt 404, so that the distance between a first clamping plate 403 and a second clamping plate 406 from the workbench 1 can be adjusted, one ends of flexible circuit boards with different lengths can be clamped by the first clamping plate 403 and the second clamping plate 406, the bottom end of the pressure rod 402 is fixedly connected with the first clamping plate 403, the bottom of the pressure rod 402 is connected with the second clamping plate 406 through a third bolt 405, the first clamping plate 403 is matched with the second clamping plate 406, the second clamping plate 406 moves by screwing the third bolt 405, one end of the flexible circuit board is clamped by matching the first clamping plate 403 and the second clamping plate 406, upward and downward forces are applied to one end of the flexible circuit board by up-and, make the flexible line way board upper surface compress, the lower surface is stretched, when exerting decurrent power, make the flexible line way board upper surface stretch, the lower surface compresses, can stretch and the work of compression to the upper surface and the lower surface of flexible line simultaneously, one side that a supporting bench 2 was kept away from to workstation 1 top surface is equipped with a supporting bench two 504, the terminal surface all is provided with connecting rod 501 through pivot 5 around a supporting bench two 504, all be connected with clamp plate 503 through bolt two 502 on two connecting rods 501, can rotate clamp plate 503 on the connecting rod 501 through pivot 5, move away from the top of workstation 1 with clamp plate 503 earlier, then place the flexible line way board on workstation 1, move clamp plate 503 to the top of flexible line way board, then twist bolt two 502, move clamp plate 503 downwards, make the flexible line way board compress tightly on a supporting bench two 504.

Recess 6 has been seted up to the outer disc of carousel 301, recess 6 and the cooperation of activity wheel 802, activity wheel 802 sets up in recess 6, through recess 6, when making the activity wheel 802 move, can not drop from carousel 301, play spacing effect, and carousel 301 is a hard steel material, splint one 403, all be equipped with protection rubber on splint two 406 and two clamp plates 503, setting through protection rubber, make the effect of playing the protection when pressing from both sides tight to the flexible line way board, motor 3's output is equipped with gearbox 7, through gearbox 7, make motor 3 convey the rotational speed that carousel 301 was given to can adjust.

The utility model discloses an application method and the theory of operation of flexible line way board's anti bending strength accredited testing organization are as follows: when the produced flexible circuit board needs to be tested, the flexible circuit board is placed on the second support table 504, then the rotating shaft 5 rotates the connecting rod 501 to press the pressing plate 503 on the top of the flexible circuit board, then the first clamping plate 403 and the flexible circuit board on the second support table 504 are in the same horizontal position, then the third bolt 405 is screwed, the second clamping plate 406 is moved to enable the first clamping plate 403 and the second clamping plate 406 to clamp one end of the flexible circuit board, then the motor 3 is started, the rotating speed of the turntable 301 is adjusted through the gearbox 7 to enable the turntable 301 to rotate, the movable wheel 802 in contact with the turntable 301 is enabled to generate fluctuating reciprocating motion through the matching of the eccentric arrangement of the output end of the motor 3 on the turntable 301 and the spring 804, the movable wheel 802 drives the first clamping plate 403 and the second clamping plate 406 to move up and down and reciprocate, and the movable wheel 802 drives the movable rod 801 to reciprocate, the movable rod 801 drives the ejector rod 401 to reciprocate, the ejector rod 401 drives the press rod 402 to reciprocate, upward and downward force is applied to one end clamped by the flexible circuit board by the first clamping plate 403 and the second clamping plate 406, the force is applied to the flexible circuit board through reciprocation, the flexible circuit board is bent repeatedly, after the bending frequency of the flexible circuit board reaches a preset frequency, the flexible circuit board is taken out from the second supporting table 504, then the damage condition of the flexible circuit board is checked, if the flexible circuit board well indicates that the bending strength of the flexible circuit board meets the requirement, if the flexible circuit board is damaged, the bending strength of the flexible circuit board does not meet the requirement.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an anti intensity accredited testing organization that buckles of flexible line way board, includes workstation (1), its characterized in that:

one side of the top surface of the workbench (1) is fixedly connected with a first supporting table (2), the top of the first supporting table (2) is provided with a motor (3), the output end of the motor (3) is provided with a turntable (301), and the output end of the motor (3) is eccentrically arranged on the turntable (301);

a supporting plate (8) is arranged on the top surface of the first supporting table (2), a movable rod (801) is sleeved on the supporting plate (8), a movable wheel (802) is arranged at the bottom of the movable rod (801), a limiting plate (803) is arranged at the bottom end of the movable rod (801), a spring (804) is sleeved on the movable rod (801), one end of the spring (804) is connected with the limiting plate (803), the other end of the spring (804) is connected with the supporting plate (8), and the movable wheel (802) is matched with the turntable (301);

the top of the movable rod (801) is fixedly connected with a top rod (401), the top rod (401) is connected with a pressure rod (402) through a first bolt (404), the bottom end of the pressure rod (402) is fixedly connected with a first clamping plate (403), the bottom of the pressure rod (402) is connected with a second clamping plate (406) through a third bolt (405), and the first clamping plate (403) is matched with the second clamping plate (406);

one side of the top surface of the workbench (1) far away from the first supporting table (2) is provided with a second supporting table (504), the front end face and the rear end face of the second supporting table (504) are provided with connecting rods (501) through rotating shafts (5), and the two connecting rods (501) are connected with pressing plates (503) through second bolts (502).

2. The mechanism of claim 1, wherein the mechanism is used for testing bending strength of the flexible printed circuit board: a groove (6) is formed in the outer circular surface of the rotary table (301), and the groove (6) is matched with the movable wheel (802).

3. The mechanism of claim 1, wherein the mechanism is used for testing bending strength of the flexible printed circuit board: and the first clamping plate (403), the second clamping plate (406) and the two pressing plates (503) are all provided with protective rubber.

4. The mechanism of claim 1, wherein the mechanism is used for testing bending strength of the flexible printed circuit board: the output end of the motor (3) is provided with a gearbox (7).