CN220093322U

CN220093322U - Circuit board clamp

Info

Publication number: CN220093322U
Application number: CN202321242618.XU
Authority: CN
Inventors: 戴光炜
Original assignee: Suzhou Qiwei Electronic Co ltd
Current assignee: Suzhou Qiwei Electronic Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-11-28
Anticipated expiration: 2033-05-22

Abstract

The utility model relates to the technical field of circuit board welding, and discloses a circuit board clamp, which comprises: the movable underframe and fixed underframe, the inner wall of movable underframe is fixed to be pegged graft and is led the position post, the inner wall of movable underframe rotates and is connected with the screw thread post, one side of movable underframe with one side of fixed underframe is equal fixedly connected with mounting panel, and consequently fixedly connected with apron of mounting panel, the inner wall of mounting panel rotates and is connected with the back shaft, and the one end integral type of back shaft is provided with the ram piece, the inner wall fixedly connected with connecting axle of mounting panel. This circuit board anchor clamps can be when the welding through the location of locating piece to the circuit board stable fixed, and the guarantee circuit board can not promote the upset easily by the electric iron, can conveniently manual rotation clamp plate piece again for the locating piece can be extruded the shrink, and guarantee clamp plate piece conversion angle, guarantee user can manual upset circuit board inspection its back welded line.

Description

Circuit board clamp

Technical Field

The utility model relates to the technical field of circuit board welding, in particular to a circuit board clamp.

Background

The names of the circuit boards are as follows: ceramic circuit boards, aluminum oxide ceramic circuit boards, aluminum nitride ceramic circuit boards, PCB boards, aluminum substrates, high frequency boards, thick copper plates, impedance boards, PCBs, ultrathin circuit boards, printed circuit boards and the like, and the circuit boards enable circuits to be miniaturized and visualized, and play an important role in mass production of fixed circuits and optimization of electrical equipment layout.

When the electronic components are welded on the surface of the circuit board, the circuit board needs to be welded through soldering, and because the circuit board is lighter in weight, stable positioning is needed during welding, meanwhile, the circuit board needs to be overturned frequently to check the back welding circuit, and certain flexibility is needed, so that a circuit board clamp is needed, the circuit board can be stably fixed during welding, the circuit board can be guaranteed not to be easily pushed and overturned by an electric soldering iron, manual rotation angles can be facilitated, and a user can manually overturned to check the back welding circuit.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a circuit board clamp which solves the problems mentioned in the background.

The utility model provides the following technical scheme: a circuit board fixture, comprising: the movable underframe and fixed underframe, the inner wall of movable underframe is fixed to be pegged graft and is had the guide post, the inner wall of movable underframe rotates and is connected with the screw thread post, one side of movable underframe with one side of fixed underframe is all fixedly connected with mounting panel, and consequently fixedly connected with apron of mounting panel, the inner wall of mounting panel rotates and is connected with the back shaft, and the one end integral type of back shaft is provided with the ram piece, the inner wall fixedly connected with connecting axle of mounting panel, the outer wall of back shaft has fixedly cup jointed the initiative drive wheel, the bearing is installed to the outer wall of connecting axle, and the outer wall of bearing is provided with driven drive wheel and locating rack respectively, and driven drive wheel and locating rack all rotate with the connecting axle through the bearing and be connected, the initiative drive wheel with be provided with the drive belt between the driven drive wheel, the inside of locating rack is provided with the locating piece, one side fixedly connected with locating plate of mounting panel.

Preferably, the surface of the positioning plate is provided with a positioning hole in a penetrating way, the positioning plate is connected with the positioning frame in a clamping way through the positioning hole and the positioning block, and the surface of the positioning block is provided with a curved surface.

Preferably, the sliding holes are formed in the two sides of the movable underframe in a penetrating mode, and the inner walls of the sliding holes are connected with the outer walls of the guide posts in a sliding mode.

Preferably, the inner wall of the movable underframe is fixedly connected with a threaded cylinder, and the threaded cylinder is in threaded connection with the threaded column.

Preferably, the outer wall of the threaded column is integrally provided with a blocking piece, and the outer wall of the threaded column is movably sleeved with a spring.

Preferably, the inner wall integral type of clip plate piece is provided with the fixture block, and the both sides of fixture block all are provided with deformation groove.

Preferably, the inner wall of the positioning frame is provided with a mounting groove, the positioning block is slidably connected in the mounting groove, and a reed is arranged between the mounting groove and the positioning block.

Compared with the prior art, the utility model has the following beneficial effects:

this circuit board anchor clamps through the activity chassis that sets up, fixed chassis, lead the position post, the screw thread post, the mounting panel, the back shaft, the clamp plate piece, the connecting axle, a bearing, the initiative drive wheel, driven drive wheel, the drive belt, the locating rack, locating piece and locating plate, can be when the welding through the location of locating piece to the circuit board stable fixation, the guarantee circuit board can not promote the upset easily by the electric iron, can make things convenient for manual rotation clamp plate piece again for the locating piece can be extruded the shrink, guarantee clamp plate piece conversion angle, the guarantee user can manual upset circuit board inspection its back welded line.

Drawings

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

FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 3 is a schematic view of the structure of the positioning frame of the present utility model;

fig. 4 is a schematic view of an explosive structure inside the positioning frame according to the present utility model.

In the figure: 1. a movable chassis; 2. fixing the underframe; 3. a guide post; 4. a threaded column; 5. a mounting plate; 6. a support shaft; 7. a clamping plate block; 8. a connecting shaft; 9. a bearing; 10. a driving transmission wheel; 11. a driven transmission wheel; 12. a transmission belt; 13. a positioning frame; 14. a positioning block; 15. a positioning plate; 16. a reed; 17. positioning holes; 18. a slide hole; 19. a thread cylinder; 20. a blocking sheet; 21. a spring; 22. a clamping block; 23. a cover plate; 24. and a mounting groove.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a circuit board fixture, comprising: the automatic soldering iron welding device comprises a movable underframe 1 and a fixed underframe 2, wherein a guide post 3 is fixedly inserted into the inner wall of the movable underframe 1, a threaded post 4 is rotatably connected to the inner wall of the movable underframe 1, a mounting plate 5 is fixedly connected to one side of the movable underframe 1 and one side of the fixed underframe 2, a cover plate 23 is fixedly connected to one side of the mounting plate 5, a supporting shaft 6 is rotatably connected to the inner wall of the mounting plate 5, a clamping plate block 7 is integrally arranged at one end of the supporting shaft 6, a connecting shaft 8 is fixedly connected to the inner wall of the mounting plate 5, a driving transmission wheel 10 is fixedly sleeved on the outer wall of the supporting shaft 6, a bearing 9 is mounted on the outer wall of the connecting shaft 8, a driven transmission wheel 11 and a locating frame 13 are respectively arranged on the outer wall of the bearing 9, a transmission wheel 11 and the locating frame 13 are respectively rotatably connected with the connecting shaft 8 through the bearing 9, a transmission belt 12 is arranged between the driving transmission wheel 11 and the driven transmission wheel 11, a locating block 14 is arranged in the locating frame 13, a locating plate 15 is fixedly connected to one side of the mounting plate 5, an electric soldering iron can be easily welded to the connecting plate 7 through the movable underframe 1, the fixed underframe 2, the guide post 3, the threaded post 4, the mounting plate 5, the supporting shaft 6, the outer wall 9, the outer wall of the outer wall 9 and the supporting shaft 9 through the supporting shaft 9, the supporting plate 9, the outer clamping plate 9 and the outer clamping plate 9 are respectively connected to the outer through the outer wall of the driving transmission plate 9 and the driving transmission plate 9.

Wherein; the surface of the positioning plate 15 is provided with a positioning hole 17 in a penetrating manner, the positioning plate 15 is clamped with the positioning frame 13 through the positioning hole 17 and the positioning block 14, and the surface of the positioning block 14 is provided with a curved surface so that the positioning block 14 can be separated from the positioning hole 17.

Wherein; slide holes 18 are formed in the two sides of the movable underframe 1 in a penetrating mode, and the inner walls of the slide holes 18 are connected with the outer walls of the guide posts 3 in a sliding mode so that the movable underframe 1 can be guided through the guide posts 3.

Wherein; the inner wall of the movable chassis 1 is fixedly connected with a threaded cylinder 19, and the threaded cylinder 19 is in threaded connection with the threaded column 4, so that the movable chassis 1 can be pushed by the threaded column 4 to slide Derui and realize real-time position positioning.

Wherein; the outer wall integral type of screw thread post 4 is provided with the resistance card 20, and the outer wall activity of screw thread post 4 has cup jointed spring 21 to the compactness between screw thread post 4 and the screw thread section of thick bamboo 19 is improved.

Wherein; the inner wall integral type of clip plate 7 is provided with fixture block 22, and the both sides of fixture block 22 all are provided with deformation groove to improve the elasticity of fixture block 22.

Wherein; the inner wall of the positioning frame 13 is provided with a mounting groove 24, the positioning block 14 is slidably connected in the mounting groove 24, and a reed 16 is arranged between the mounting groove 24 and the positioning block 14 so as to push the positioning frame 13 to reset through the reed 16.

The working principle is that when the circuit board positioning device is used, the threaded column 4 is rotated, the threaded column 4 pushes the movable chassis 1 to be far away from the fixed chassis 2, then the circuit board is placed between the two clamping plate blocks 7 and clamped by the clamping blocks 22, then the threaded column 4 is reversely rotated, the movable chassis 1 is pushed to be close to the fixed chassis 2 through the threaded column 4, so that the circuit board is fixed, at the moment, the positioning block 14 is clamped inside the positioning hole 17 to form positioning, the positioning frame 13 cannot be easily rotated, the positioning of the supporting shaft 6 is guaranteed, the circuit board is further guaranteed to be positioned, when the circuit board needs to be overturned, the bearing 9 is driven to rotate by manually improving certain force, then the positioning frame 13 is driven to rotate by the transmission of the driving transmission wheel 10, the driven transmission wheel 11 and the transmission belt 12, the positioning block 14 is extruded and contracted when the rotation torque of the positioning frame 13 is increased to a certain degree, the positioning block 13 is guaranteed to stably rotate, and the positioning block 14 enters other positioning holes 17 after the rotation is completed, and the positioning frame 13 is positioned again, and welding of the circuit board is guaranteed.

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

Claims

1. A circuit board fixture, comprising: the movable underframe (1) and the fixed underframe (2), the inner wall of the movable underframe (1) is fixedly inserted with a guide post (3), the inner wall of the movable underframe (1) is rotationally connected with a threaded post (4), one side of the movable underframe (1) and one side of the fixed underframe (2) are fixedly connected with a mounting plate (5), the mounting plate (5) is fixedly connected with a cover plate (23) due to the fact that the mounting plate (5) is fixedly connected with a supporting shaft (6), one end of the supporting shaft (6) is integrally provided with a clamping plate block (7), the inner wall of the mounting plate (5) is fixedly connected with a connecting shaft (8), the outer wall of the supporting shaft (6) is fixedly sleeved with a driving transmission wheel (10), the outer wall of the connecting shaft (8) is provided with a bearing (9), the outer wall of the bearing (9) is respectively provided with a driven transmission wheel (11) and a positioning frame (13), the driven transmission wheel (11) and the positioning frame (13) are rotationally connected with the connecting shaft (8) through the bearing (9), a positioning block (14) is arranged between the driving transmission wheel (10) and the driven transmission wheel (11), one side of the mounting plate (5) is fixedly connected with a positioning plate (15).

2. The circuit board fixture according to claim 1, wherein a positioning hole (17) is formed in the surface of the positioning plate (15) in a penetrating manner, the positioning plate (15) is clamped with the positioning frame (13) through the positioning hole (17) and the positioning block (14), and a curved surface is formed on the surface of the positioning block (14).

3. The circuit board clamp according to claim 1, wherein sliding holes (18) are formed in two sides of the movable underframe (1) in a penetrating mode, and the inner walls of the sliding holes (18) are in sliding connection with the outer walls of the guide posts (3).

4. The circuit board clamp according to claim 1, wherein the inner wall of the movable chassis (1) is fixedly connected with a threaded cylinder (19), and the threaded cylinder (19) is in threaded connection with the threaded column (4).

5. The circuit board clamp according to claim 1, wherein the outer wall of the threaded column (4) is integrally provided with a blocking piece (20), and the outer wall of the threaded column (4) is movably sleeved with a spring (21).

6. The circuit board fixture according to claim 1, wherein the clamping blocks (22) are integrally arranged on the inner wall of the clamping plate block (7), and deformation grooves are formed in two sides of the clamping blocks (22).

7. The circuit board fixture according to claim 1, wherein the inner wall of the positioning frame (13) is provided with a mounting groove (24), the positioning block (14) is slidably connected inside the mounting groove (24), and a reed (16) is arranged between the mounting groove (24) and the positioning block (14).