CN219987335U - High stability transistor module anchor clamps - Google Patents

Abstract

The utility model discloses a high-stability transistor module clamp, which belongs to the technical field of semiconductor device clamps and comprises a base, wherein a frame body is fixedly arranged on the base, the frame body comprises two limiting frames fixedly arranged on the base, two clamping frames for clamping a PCB (printed circuit board) are slidably arranged between the two limiting frames, a threaded rod is rotatably arranged on the body, the two clamping frames are in threaded connection with the threaded rod, when the threaded rod is rotated, the clamping frames which are in threaded connection with the threaded rod are oppositely moved through the threaded rod arranged at the bottom end of the body and threads which are arranged on the threaded rod and are opposite in rotation direction, so that the function of effectively clamping the PCB placed in the body is achieved, and when a clamping plate is clamped on the limiting plates, the PCB is fixed in the device, and the function of effectively clamping the PCB with different specifications is achieved.

Description

High stability transistor module anchor clamps

Technical Field

The utility model belongs to the technical field of semiconductor device clamps, and particularly relates to a high-stability transistor module clamp.

Background

With the rapid development of industry, the novel semiconductor device is widely applied to industrial equipment, and the insulated gate bipolar transistor module is used as a novel semiconductor device widely applied, so that the convenience and accuracy of testing are important factors for influencing the production efficiency and the product quality.

According to the patent of the issued publication number CN209803183U, a test fixture for an insulated gate bipolar transistor module is provided, wherein the test fixture comprises a frame, a baffle, a quick clamp and a PCB; the frame is of an L-shaped structure and comprises a base, a front plate and a rear plate, wherein the rear plate is vertically fixed on one side of the base, and the front plate is parallelly fixed on the front part of the rear plate; the stop blocks are fixed on the base, a moving channel is formed between every two stop blocks, and an insulated gate bipolar transistor module is placed in the moving channel; the quick clamp is fixed in the moving channel; the PCB is fixed between the front plate and the rear plate, and banana heads and spring probes are arranged on the PCB; the front plate is provided with first interfaces, the number of which corresponds to that of the banana heads, and the spring probes penetrate through the front plate to correspondingly contact with the insulated gate bipolar transistor modules so as to form second interfaces. The beneficial effects are that: the insulated gate bipolar transistor module can be rapidly positioned, the accuracy in contact and the accuracy of a test result can be improved in the test process, and the test error caused by the clamp can be effectively avoided.

In the process of clamping test, the insulated gate bipolar transistor module has different models, so that the interface positions at the module ports are different, different PCBs are required for testing, the existing device is inconvenient in replacing the PCBs, and improvement is required.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, different types of insulated gate bipolar transistor modules are designed in the clamping test process, so that the interface positions at the ports of the modules are different, different PCB boards are required to be tested, the existing device is inconvenient in replacing the PCB boards, and improvement is required, and provides the high-stability transistor module clamp.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a high stability transistor module anchor clamps, includes the base, fixed frame body that is provided with on the base, just frame body, the body ground includes two fixed spacing frames that set up on the base, two it is used for the centre gripping PCB board to slide between the spacing frame, just the centre gripping frame is the spill setting, it is provided with a threaded rod to rotate on the body, two threaded connection between the equal and threaded rod of centre gripping frame, two sections screw threads have been seted up on the threaded rod, and two sections screw threads rotate reverse opposite setting, two sections opposite screw threads respectively with two centre gripping frame threaded connection, fixed two longplates and the limiting plate of being provided with on the body top, two rotate between the longplate and be provided with the cardboard, be equipped with the stop gear who is used for fixed cardboard position between cardboard and the limiting plate.

Preferably, the base is fixedly provided with a supporting table, and the supporting table is fixedly provided with a telescopic rod.

Through the supporting table arranged on the base and the telescopic rod arranged on the supporting table, the fixed insulated gate bipolar transistor module to be clamped is placed on the supporting table when in use.

Preferably, the supporting table is fixedly provided with two baffles, the two baffles are respectively arranged on two sides of the telescopic rod, and the top end of the telescopic rod is fixedly provided with the extrusion plate.

Through setting up the stripper plate on two baffles and the telescopic link output on the brace table, realized placing the module of waiting to centre gripping on the stripper plate and laminating mutually with two baffles when the centre gripping.

Preferably, the side walls of the two baffles are provided with sliding grooves, and the extruding plate is in sliding connection with the side walls of the sliding grooves.

Through the spout of setting up on two baffle lateral walls, realized that the stripper plate laminates mutually with the lateral wall of spout makes the stripper plate can not produce the condition of position deviation appear in the removal in-process.

Preferably, the stop gear is including fixing the lug that sets up on the cardboard, the lug is inside fixedly to be provided with the spring, fixed setting gag lever post on the other end of spring, the spacing groove has been seted up on the limiting plate, slide on the spacing groove and be provided with the button, just the spacing groove top is the slope setting.

Through setting up lug on the cardboard and at the inside spring of lug, realized placing the PCB board inside the body, with the lug block at cardboard top on the limiting plate, spring compression makes the gag lever post shrink, when the block is accomplished, the ejecting gag lever post of spring makes it reach restriction cardboard pivoted function with the spacing groove laminating.

Preferably, a hand wheel is fixedly arranged at one end of the threaded rod, and an anti-slip layer is fixedly arranged on the surface of the hand wheel.

Through the hand wheel of setting on the threaded rod, realized rotating the hand wheel when the position of adjusting the grip block and can make the threaded rod rotate, conveniently change the PCB board.

In summary, the technical effects and advantages of the present utility model are: this insulated gate bipolar transistor module anchor clamps have realized when rotating the threaded rod through setting up the threaded rod in body bottom and setting up two sections opposite screw threads of rotation direction on the threaded rod, and threaded connection's centre gripping frame on the threaded rod moves in opposite directions to reach the function of carrying out effective centre gripping to placing the inside PCB board of body, on the limiting plate with the cardboard block, fix the PCB board inside the device, realized the function that can both accomplish effectual centre gripping to the PCB board of different specification sizes.

Drawings

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

FIG. 2 is a left side cross-sectional view of the present utility model;

FIG. 3 is a right side cross-sectional view of the present utility model;

fig. 4 is a schematic view of a threaded rod according to the present utility model.

In the figure: 1. a base; 2. a body; 3. a support table; 4. a limit frame; 5. a clamping frame; 6. a threaded rod; 7. a clamping plate; 8. a limiting plate; 9. a telescopic rod; 10. a baffle; 11. an extrusion plate; 12. a chute; 13. a hand wheel; 14. a bump; 15. a spring; 16. a limit rod; 17. a limit groove; 18. a long plate; 19. a button.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1, a high stability transistor module fixture includes a base 1, and a frame body 2 is fixedly disposed on the base 1.

Referring to fig. 1, a support table 3 is fixedly provided on a base 1, a telescopic rod 9 is fixedly provided on the support table 3, and the support table 3 provided on the base 1 is used for placing a transistor module to be clamped and controlling the position of the module through the telescopic rod 9.

Referring to fig. 1-2, two baffles 10 are fixedly arranged on the supporting table 3, the two baffles 10 are respectively arranged on two sides of the telescopic rod 9, an extrusion plate 11 is fixedly arranged on the top end of the telescopic rod 9, the limiting effect of a module to be clamped is achieved through the baffles 10 arranged on the supporting table 3, and the module is pushed to move through the extrusion plate 11 on the top end of the telescopic rod 9.

Referring to fig. 1 to 3, sliding grooves 12 are formed in the side walls of the two baffles 10, and the squeeze plates 11 are slidably connected with the sliding grooves 12, so that the squeeze plates 11 maintain a horizontal position during movement through the sliding grooves 12 formed in the side walls of the baffles 10.

And the frame body 2 comprises two limiting frames 4 fixedly arranged on the base 1, two clamping frames 5 for clamping the PCB are slidably arranged between the two limiting frames 4, a threaded rod 6 is rotatably arranged on the body 2, and the two clamping frames 5 are in threaded connection with the threaded rod 6.

Referring to fig. 3-4, two sections of threads are formed on the threaded rod 6, the rotation directions of the threads at the two ends are opposite, the two sections of opposite threads are respectively in threaded connection with the two clamping frames 5, and when the threaded rod 6 is rotated, the two clamping frames 5 which are in threaded connection with the threaded rod 6 can move in opposite directions to clamp and fix the PCB.

Two long plates 18 and a limiting plate 8 are fixedly arranged on the top of the body 2, a clamping plate 7 is rotatably arranged between the two long plates 18, and a limiting mechanism for fixing the position of the clamping plate 7 is arranged between the clamping plate 7 and the limiting plate 8.

Referring to fig. 1-3, the stop mechanism includes a bump 14 fixedly disposed on the card 7, a spring 15 is fixedly disposed in the bump 14, a stop lever 16 is fixedly disposed at the other end of the spring 15, a stop slot 17 is disposed on the stop plate 8, a button 19 is slidably disposed on the stop slot 17, and the top end of the stop slot 17 is obliquely disposed, when the PCB board is disposed in the body 2, the card 7 is rotated, the bump 14 fixedly disposed on the card 7 is clamped on the stop plate 8, in the clamping process, the spring 15 is compressed by the stop lever 16 slidably disposed on the bump 14, when the clamping is completed, the spring 15 props against the stop lever 16 to be clamped with the stop slot 17, the stop is completed, when the card 7 needs to be opened, the button 19 is pressed to squeeze the stop lever 16, and the stop lever 16 compresses the spring 15 to rotate the card 7.

Referring to fig. 4, a hand wheel 13 is fixedly arranged at one end of the threaded rod 6, a layer of anti-slip layer is fixedly arranged on the surface of the hand wheel 13, and the hand wheel 13 arranged on the threaded rod 6 realizes that the support of a worker can control the threaded rod 6 to rotate by rotating the hand wheel 13 when the threaded rod 6 is required to rotate, so that the device is simple and convenient.

Working principle:

when using this device to carry out the centre gripping to insulated gate bipolar transistor module, will wait to centre gripping fixed module earlier and place between two baffles 10 on supporting bench 3 to carry out horizontal migration to the module through telescopic link 9, need the staff to change the PCB board when the different modules of centre gripping, place the PCB board in body 2 again, realized when rotating threaded rod 6 through setting up threaded rod 6 in body 2 bottom and setting up two sections opposite screw threads of rotation direction on threaded rod 6, the centre gripping frame 5 of threaded connection on threaded rod 6 moves in opposite directions, thereby reach and carry out effective centre gripping's function to the PCB board of placing in body 2 inside, it is convenient to change.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a high stability transistor module anchor clamps, includes base (1), its characterized in that, fixed frame body (2) that is provided with on base (1), just frame body (2) are including two fixed spacing frames (4) that set up on base (1), two it is provided with two clamping frames (5) that are used for centre gripping PCB board to slide between spacing frames (4), just clamping frames (5) are the spill setting, it is provided with a threaded rod (6) to rotate on body (2), two clamping frames (5) all with threaded rod (6) between threaded connection, two sections screw threads have been seted up on threaded rod (6), and two sections screw threads are opposite set up, two sections opposite screw threads respectively with two clamping frames (5) threaded connection, fixed being provided with two longplates (18) and limiting plate (8) on body (2) top, two rotate between longplates (18) and be provided with cardboard (7), be equipped with between cardboard (7) and limiting plate (8) and be used for fixed stop gear in cardboard position.

2. The high-stability transistor module clamp according to claim 1, wherein a supporting table (3) is fixedly arranged on the base (1), and a telescopic rod (9) is fixedly arranged on the supporting table (3).

3. The high-stability transistor module clamp according to claim 2, wherein two baffles (10) are fixedly arranged on the supporting table (3), the two baffles (10) are respectively arranged on two sides of the telescopic rod (9), and an extrusion plate (11) is fixedly arranged on the top end of the telescopic rod (9).

4. A high stability transistor module clamp according to claim 3, wherein the side walls of two baffles (10) are provided with sliding grooves (12), and the squeeze plate (11) is slidably connected with the side walls of the sliding grooves (12).

5. The high-stability transistor module clamp according to claim 1, wherein the limiting mechanism comprises a protruding block (14) fixedly arranged on the clamping plate (7), a spring (15) is fixedly arranged in the protruding block (14), a limiting rod (16) is fixedly arranged at the other end of the spring (15), a limiting groove (17) is formed in the limiting plate (8), a button (19) is slidably arranged on the limiting groove (17), and the top of the limiting groove (17) is obliquely arranged.

6. The high-stability transistor module clamp according to claim 1, wherein a hand wheel (13) is fixedly arranged on one end of the threaded rod (6), and an anti-slip layer is fixedly arranged on the surface of the hand wheel (13).