CN214277657U

CN214277657U - A resistance to compression test machine for printed circuit board

Info

Publication number: CN214277657U
Application number: CN202120086669.2U
Authority: CN
Inventors: 施建花; 李恺
Original assignee: Yancheng Institute of Industry Technology
Current assignee: Yancheng Institute of Industry Technology
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-09-24
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a resistance to compression test machine for printed circuit board, the on-line screen storage device comprises a base, the inside welding of base has the backup pad, the top of backup pad has evenly welded the bracing piece, the top welding of base has the riser of two in quantity, two the top welding of riser has the roof, the top of roof has bee calling organ and motor through screw fixed connection, the output shaft welding of motor has first threaded rod, the utility model discloses a set up the ejector pad in the bottom of connecting plate, after making the printed circuit board that compressive capacity is unqualified produce the deformation under the effect of clamp plate, can drive the ejector pad through the connecting plate and press the bee calling organ switch, thereby make bee calling organ switch start bee calling organ; through the arrangement, the compression-resistant testing machine has the function of automatically alarming and prompting unqualified printed circuit boards, so that the working efficiency of the testing machine is improved.

Description

A resistance to compression test machine for printed circuit board

Technical Field

The utility model relates to a printed circuit board technical field specifically is a resistance to compression test machine for printed circuit board.

Background

The printed circuit board is also called a printed circuit board, and is a provider of electrical connection of electronic components, and the printed circuit board is generally represented by a PCB. After the printed circuit board is produced, the compression resistance of the printed circuit board needs to be tested by using a compression resistance testing machine, but the existing compression resistance testing machine does not have the function of automatically alarming and prompting unqualified printed circuit boards, so that the working efficiency of the testing machine needs to be improved, and therefore the compression resistance testing machine for the printed circuit board is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistance to compression test machine for printed circuit board to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a compression testing machine for a printed circuit board comprises a base, wherein a supporting plate is welded inside the base, supporting rods are uniformly welded at the top of the supporting plate, two vertical plates are welded at the top of the base, a top plate is welded at the tops of the two vertical plates, a buzzer and a motor are fixedly connected at the top of the top plate through screws, a first threaded rod is welded at an output shaft of the motor, one end of the first threaded rod penetrates through the top plate and is rotatably connected with the base through a bearing, a movable plate is connected with the outer side wall of the first threaded rod in a threaded manner, a sliding rod penetrates through the movable plate, the top of the sliding rod is welded with the top plate, the bottom of the sliding rod is welded with the base, one adjacent side of the two vertical plates is slidably connected with the movable plate, a pressing plate is fixedly connected at the bottom of the movable, the utility model discloses a buzzer, including slider, the inside threaded connection of slider has the second threaded rod, the even welding in top of slider has the body, the inside wall sliding connection of body has the body of rod, the top welding of the body of rod has the connecting plate, the bottom fixedly connected with ejector pad of connecting plate, the lateral wall of the body of rod is around being equipped with the spring, the top and the connecting plate welding of spring, the bottom and the body welding of spring, screw fixedly connected with buzzer switch is passed through at the top of slider, buzzer switch's power output end and buzzer's power input end electric connection, the bottom welding of second threaded rod has the movable rod, the lateral wall of movable rod is connected with the baffle through bearing rotation, the outside welding of baffle has the landing leg, the top and the base welding of landing leg.

As further preferable in the present technical solution: the bottom welding of movable rod has the carousel, the inside threaded connection of carousel has first bolt.

As further preferable in the present technical solution: threaded grooves distributed at equal intervals are uniformly formed in the bottom of the baffle.

As further preferable in the present technical solution: the top welding of bracing piece has the support, the inside threaded connection of support has the second bolt.

As further preferable in the present technical solution: the bottom of the second bolt is rotatably connected with a clamping block through a bearing, and one side of the clamping block is connected with the support in a sliding mode.

As further preferable in the present technical solution: the bottom of the clamping block is bonded with a rubber pad through glue.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model can drive the push block to press the buzzer switch through the connecting plate after the printed circuit board with unqualified compression resistance is deformed under the action of the pressing plate by arranging the push block at the bottom of the connecting plate, thereby starting the buzzer switch; through the arrangement, the compression-resistant testing machine has the function of automatically alarming and prompting unqualified printed circuit boards, so that the working efficiency of the testing machine is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the supporting plate and the sliding block of the present invention;

FIG. 3 is a schematic structural view of the bracket and the clamping block of the present invention;

FIG. 4 is a schematic structural view of the buzzer switch and the push block of the present invention;

fig. 5 is a schematic view of the structure of the baffle and the movable rod of the present invention.

In the figure: 1. a base; 2. a support plate; 3. a support bar; 4. a vertical plate; 5. a top plate; 6. a buzzer; 7. a motor; 8. a first threaded rod; 9. a movable plate; 10. a slide bar; 11. pressing a plate; 12. a slider; 13. A second threaded rod; 14. a pipe body; 15. a rod body; 16. a spring; 17. a push block; 18. a connecting plate; 19. A support leg; 20. a baffle plate; 21. a movable rod; 22. a turntable; 23. a first bolt; 24. a thread groove; 25. A support; 26. a second bolt; 27. a clamping block; 28. a rubber pad; 29. a buzzer switch.

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.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a compression testing machine for a printed circuit board comprises a base 1, wherein a supporting plate 2 is welded inside the base 1, supporting rods 3 are uniformly welded at the top of the supporting plate 2, two vertical plates 4 are welded at the top of the base 1, a top plate 5 is welded at the tops of the two vertical plates 4, the top of the top plate 5 is fixedly connected with a buzzer 6 and a motor 7 through screws, a first threaded rod 8 is welded at an output shaft of the motor 7, one end of the first threaded rod 8 penetrates through the top plate 5 and is rotatably connected with the base 1 through a bearing, a movable plate 9 is connected with the outer side wall of the first threaded rod 8 through threads, a sliding rod 10 penetrates through the movable plate 9, the top of the sliding rod 10 is welded with the top plate 5, the bottom of the sliding rod 10 is welded with the base 1, one side adjacent to the two vertical plates 4 is slidably connected with, the inner part of the supporting plate 2 is connected with a sliding block 12 in a sliding mode, the inner part of the sliding block 12 is connected with a second threaded rod 13 in a threaded mode, a pipe body 14 is uniformly welded at the top of the sliding block 12, the inner side wall of the pipe body 14 is connected with a pipe body 15 in a sliding mode, a connecting plate 18 is welded at the top of the pipe body 15, a push block 17 is fixedly connected to the bottom of the connecting plate 18, a spring 16 is wound on the outer side wall of the pipe body 15, the top of the spring 16 is welded with the connecting plate 18, the bottom of the spring 16 is welded with the pipe body 14, a buzzer switch 29 is fixedly connected to the top of the sliding block 12 through screws, the power output end of the buzzer switch 29 is electrically connected with the power input end of a buzzer 6, a movable rod 21 is welded at the bottom of the second threaded rod 13, a baffle 20 is rotatably connected to the outer side wall of the movable rod 21 through a bearing, supporting legs 19 are welded to the outer side of the baffle 20, and the top of the supporting legs 19 are welded with the base 1; the pressing force of the pressing plate 11 is a standard value which can be borne by the printed circuit board with qualified pressure resistance, so that the printed circuit board with unqualified pressure resistance can slightly deform under the action of the pressing plate 11; the spring 16 can enable the connecting plate 18 to drive the push block 17 to keep a distance from the buzzer switch 29 under the condition of no external force; the movable rod 21 is rotated through the rotary table 22, and the movable rod 21 drives the second threaded rod 13 to rotate; since the outer side of the sliding block 12 is limited inside the supporting plate 2, the sliding block 12 can move upwards or downwards in the supporting plate 2 under the action of the second threaded rod 13, so that the position of the connecting plate 18 can be adjusted; since printed circuit boards come in a variety of different sizes and dimensions, adjusting the position of the connection plate 18 enables the connection plate 18 to accommodate different sizes and models of printed circuit boards.

In this embodiment, specifically: the bottom of the movable rod 21 is welded with a rotary table 22, and the inner part of the rotary table 22 is connected with a first bolt 23 through threads; when the connecting plate 18 is adjusted to a desired position, the first bolt 23 is screwed into the designated screw groove 24, so that the rotary plate 22 cannot rotate, and the position of the connecting plate 18 is fixed.

In this embodiment, specifically: threaded grooves 24 are uniformly distributed at equal intervals at the bottom of the baffle plate 20; the plurality of thread grooves 24 are distributed on the bottom of the baffle 20 in a circular ring shape and correspond to the moving track of the first bolt 23 driven by the rotary disc 22.

In this embodiment, specifically: a bracket 25 is welded at the top of the support rod 3, and a second bolt 26 is connected to the inner thread of the bracket 25; the two sides of the printed circuit board are placed inside the bracket 25, the clamping block 27 slides downwards by tightening the second bolt 26, and the clamping block 27 drives the rubber pad 28 to fix the two sides of the printed circuit board on the bracket 25.

In this embodiment, specifically: the bottom of the second bolt 26 is rotatably connected with a clamping block 27 through a bearing, and one side of the clamping block 27 is connected with the bracket 25 in a sliding manner; the clamping block 27 can slide inside the bracket 25 under the action of the second bolt 26.

In this embodiment, specifically: the bottom of the clamping block 27 is bonded with a rubber pad 28 through glue; the rubber pad 28 prevents the clamp blocks 27 from leaving an impression on the circuit board.

The buzzer 6 is of the type: MSPS 42A;

the motor 7 is of the type: 49 TYD-500-4.

When the electric vehicle is used, a switch for controlling the starting or the closing of the motor 7 is arranged on the supporting leg 19, and the switch is connected with an external commercial power and used for supplying power to the motor 7; placing the two sides of the printed circuit board into the inner side of the bracket 25, and screwing the second bolt 26 to make the clamping block 27 slide downwards, wherein the clamping block 27 drives the rubber pad 28 to fix the two sides of the circuit board on the bracket 25; the motor 7 is started through a switch, the motor 7 drives the first threaded rod 8 to rotate clockwise, the first threaded rod 8 drives the movable plate 9 to slide downwards outside the sliding rod 10, and the movable plate 9 drives the pressing plate 11 to extrude the circuit board; the pressing force of the pressing plate 11 is a standard value which can be borne by the circuit board, and when the pressure resistance of the circuit board is unqualified, the circuit board can slightly deform under the action of the pressing plate 11; the middle part of the deformed circuit board can present downward bending degree, and the bottom of the circuit board can drive the push block 17 to move downwards through the connecting plate 18; since the elastic force of the spring 16 is smaller than the pressing force when the circuit board is deformed, the push block 17 moves downwards to press the buzzer switch 29, so that the buzzer switch 29 starts the buzzer 6; the buzzer 6 gives an alarm sound, so that the staff can find the circuit board with unqualified pressure resistance in time.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a resistance to compression test machine for printed circuit board, includes base (1), its characterized in that: the welding-type portable electric heating device is characterized in that a supporting plate (2) is welded inside the base (1), supporting rods (3) are uniformly welded at the top of the supporting plate (2), two vertical plates (4) are welded at the top of the base (1), a top plate (5) is welded at the top of each vertical plate (4), a buzzer (6) and a motor (7) are fixedly connected at the top of each top plate (5) through screws, a first threaded rod (8) is welded at an output shaft of each motor (7), one end of each first threaded rod (8) penetrates through the corresponding top plate (5) and is rotatably connected with the base (1) through a bearing, a movable plate (9) is connected to the outer side wall of each first threaded rod (8) in a threaded mode, a sliding rod (10) penetrates through the corresponding movable plate (9), the top of each sliding rod (10) is welded with the corresponding top plate (5), and the bottom of each sliding rod (10) is welded with the base (1), two adjacent sides of the vertical plates (4) are connected with a movable plate (9) in a sliding manner, the bottom of the movable plate (9) is fixedly connected with a pressing plate (11) through screws, the inside of the supporting plate (2) is connected with a sliding block (12) in a sliding manner, the inside of the sliding block (12) is connected with a second threaded rod (13) in a threaded manner, a pipe body (14) is uniformly welded at the top of the sliding block (12), the inner side wall of the pipe body (14) is connected with a rod body (15) in a sliding manner, a connecting plate (18) is welded at the top of the rod body (15), a push block (17) is fixedly connected at the bottom of the connecting plate (18), a spring (16) is wound on the outer side wall of the rod body (15), the top of the spring (16) is welded with the connecting plate (18), the bottom of the spring (16) is welded with the pipe body (14), and the top of the sliding block (12) is fixedly connected with a buzzer switch (29) through screws, the power output end of buzzer switch (29) and the power input end electric connection of buzzer (6), the bottom welding of second threaded rod (13) has movable rod (21), the lateral wall of movable rod (21) is connected with baffle (20) through the bearing rotation, the outside welding of baffle (20) has landing leg (19), the top and the base (1) welding of landing leg (19).

2. The compression testing machine for printed circuit boards of claim 1, wherein: the bottom welding of movable rod (21) has carousel (22), the inside threaded connection of carousel (22) has first bolt (23).

3. The compression testing machine for printed circuit boards of claim 1, wherein: the bottom of the baffle (20) is uniformly provided with thread grooves (24) which are distributed at equal intervals.

4. The compression testing machine for printed circuit boards of claim 1, wherein: the top welding of bracing piece (3) has support (25), the inside threaded connection of support (25) has second bolt (26).

5. The compression testing machine for printed circuit boards as set forth in claim 4, wherein: the bottom of the second bolt (26) is rotatably connected with a clamping block (27) through a bearing, and one side of the clamping block (27) is connected with the support (25) in a sliding mode.

6. The compression testing machine for printed circuit boards of claim 5, wherein: the bottom of the clamping block (27) is bonded with a rubber pad (28) through glue.