Printed circuit board patch clamp

Abstract

The utility model provides a printed circuit board patch clamp, which comprises a base, an inner cavity is arranged in the base, sliding grooves are symmetrically arranged on two sides of the top end of the inner cavity, clamping plates are arranged in the sliding grooves through adjusting mechanisms, and a top plate is movably arranged in the middle of the top of the base. The clamping plates are driven by the rotary knobs and the two-way screws to relatively move in the sliding grooves, the two ends of the printed circuit board can be clamped through the clamping plates and the clamping grooves, and the top plate can support and extrude the bottom of the printed circuit board under the elastic force of the springs, so that the stability of the printed circuit board is improved; the smoke suction mechanisms are arranged on the two sides, so that the size of the device is reduced, and the device is convenient to move; and the air inlets are formed in the fixing plate, are formed in the two sides of the printed circuit board and are close to the printed circuit board, so that smoke generated by welding can be conveniently extracted through the fixing box and the air inlets, the smoke removal efficiency can be improved, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of printed circuit board patches, in particular to a printed circuit board patch clamp. Background Art

[0002] PCB patching is a PCB processing technology that mounts chip electronic components on the surface of a PCB and fixes them by soldering. During the PCB patching process, the PCB needs to be clamped and fixed.

[0003] The Chinese utility model patent with the publication number CN218041970U proposes a printed circuit board patch fixture, including a main body mechanism, the main body mechanism includes a bottom plate, the bottom of the bottom plate is provided with friction blocks, the number of the friction blocks is four; the clamping mechanism is arranged on the top of the bottom plate, the clamping mechanism includes a slide groove, the inner cavity of the slide groove is provided with two clamping plates, and the surface of the clamping plate is provided with a card slot. This technical solution clamps and fixes the printed circuit board by the clamping plate, but the bottom of the fixed printed circuit board is not provided with a top plate, and the bottom of the printed circuit board cannot be supported, and its stability is low; and the smoke removal mechanism is large in size, which is not convenient to move and place, and the air inlet is far away from the printed circuit board, and the smoke removal efficiency is low.

[0004] To this end, the utility model provides a printed circuit board patch fixture. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a printed circuit board patch clamp to solve the problems raised in the above-mentioned background technology. The utility model can support and squeeze the printed circuit board through the top plate and the spring, so as to improve the stability of the printed circuit board. The smoke extraction mechanism is arranged on both sides to reduce the volume of the device. The air inlet is closer to the printed circuit board, which can improve the smoke removal efficiency.

[0006] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a printed circuit board patch fixture, including a base, an inner cavity is opened inside the base, and slide grooves are symmetrically opened on both sides of the top of the inner cavity. A clamp is arranged inside the slide groove through an adjustment mechanism, and a top plate is movably arranged at the middle position of the top of the base. A smoking mechanism is arranged on the front and back sides of the top of the base. The smoking mechanism includes a fixed plate, and air inlets are equidistantly opened inside the top of the fixed plate. The air inlets are arranged on both sides of the clamp.

[0007] Furthermore, a limiting rod is fixedly provided at the bottom of the top plate, the limiting rod is in a "T" shape, and the limiting rod is slidably installed inside the top end of the base.

[0008] Furthermore, the bottom end of the limiting rod is provided with an inner cavity, a spring is fixedly mounted between the bottom end of the limiting rod and the bottom of the inner cavity, and the top plate is provided between the clamping plates on both sides.

[0009] Furthermore, the adjustment mechanism includes a bidirectional screw, and the bidirectional screw is installed inside the inner cavity for limited rotation.

[0010] Furthermore, the bottom end of the clamping plate is limitedly slidably installed inside the sliding groove, and the bottom end of the clamping plate is screwed to the two ends of the bidirectional screw through screw holes.

[0011] Furthermore, knobs are fixedly mounted on both ends of the bidirectional screw, the knobs are arranged on the outside of the base, and the bidirectional screw is arranged on one side of the spring.

[0012] Furthermore, a rubber pad is fixedly provided on the top of the top plate, a slot is provided on the side wall of the top end of the clamping plate, and a rubber layer is fixedly provided on the inner wall of the slot.

[0013] Furthermore, a fixing box is fixedly installed on one side of the top end of the fixing plate, the air inlet is communicated with the interior of the fixing box, and a fixing pipe is fixedly installed on one end of the fixing box.

[0014] The beneficial effects of the utility model are as follows: the utility model is a printed circuit board patch clamp that drives the clamping plate to move relatively inside the slide groove through the knob and the bidirectional screw, and the two ends of the printed circuit board can be clamped by the clamping plate and the slot, and the top plate can support and squeeze the front and bottom of the printed circuit board under the elastic force of the spring, thereby improving the stability of the printed circuit board; the smoke extraction mechanism is arranged on both sides, which reduces the volume of the device and facilitates the movement of the device; an air inlet is opened inside the fixed plate, and the air inlet is arranged on both sides of the printed circuit board, which is close to the printed circuit board, so that the smoke generated by welding can be extracted through the fixed box and the air inlet, which can improve the smoke removal efficiency and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a printed circuit board patch fixture of the utility model;

[0016] Figure 2 It is a front cross-sectional view of a printed circuit board patch fixture of the utility model;

[0017] Figure 3 This is a structural diagram of a base and an adjustment mechanism of a printed circuit board patch fixture of the utility model;

[0018] In the figure: 1. base; 2. adjustment mechanism; 3. splint; 4. top plate; 5. fixing plate; 6. fixing box; 7. air inlet; 8. fixing tube; 9. inner cavity; 10. rubber pad; 11. slot; 12. slide slot; 13. spring; 14. bidirectional screw; 15. knob. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] See also Figures 1 to 3 The utility model provides a technical solution: a printed circuit board patch fixture, including a base 1, an inner cavity 9 is opened inside the base 1, and slide grooves 12 are symmetrically opened on both sides of the top of the inner cavity 9, and a clamping plate 3 is arranged inside the slide groove 12 through an adjustment mechanism 2, and a top plate 4 is movably arranged at the middle position of the top of the base 1, and a smoking mechanism is arranged on the front and back sides of the top of the base 1, and the smoking mechanism includes a fixing plate 5, and air inlets 7 are equidistantly opened inside the top of the fixing plate 5, and the air inlets 7 are arranged on both sides of the clamping plate 3. The fixing plate 5 and the air inlet 7 are arranged on both sides of the clamping plate 3, so that the air inlet 7 can be close to the printed circuit board, which is convenient for smoke removal, and the volume of the device can be reduced, which is convenient for movement and placement.

[0021] In this embodiment, a limit rod is fixedly provided at the bottom of the top plate 4, and the limit rod is in the shape of a "T" shape. The limit rod is slidably installed inside the top of the base 1, and the bottom end of the limit rod is provided with an inner cavity 9. A spring 13 is fixedly installed between the bottom end of the limit rod and the bottom of the inner cavity 9. The top plate 4 is arranged between the clamping plates 3 on both sides, and the adjusting mechanism 2 includes a bidirectional screw 14, and the bidirectional screw 14 is rotationally limited and installed inside the inner cavity 9. The bottom end of the clamping plate 3 is slidably installed inside the slide groove 12, and the bottom end of the clamping plate 3 is screwed to the two ends of the bidirectional screw 14 through screw holes. Knobs 15 are fixedly installed at both ends of 14, and the knobs 15 are arranged on the outside of the base 1, the bidirectional screw 14 is arranged on one side of the spring 13, and a rubber pad 10 is fixedly arranged on the top of the top plate 4, and a slot 11 is opened on the side wall of the top end of the clamping plate 3, and a rubber layer is fixedly arranged on the inner wall of the slot 11. The bidirectional screw 14 is driven by the knob 15, and the bidirectional screw 14 drives the clamping plates 3 on both sides to approach each other. The two ends of the printed circuit board can be clamped and fixed through the slot 11 on the clamping plate 3. The top plate 4 squeezes the bottom of the printed circuit board under the elastic force of the spring 13, which can improve the stability of the printed circuit board.

[0022] In this embodiment, a fixed box 6 is fixedly installed on one side of the top of the fixed plate 5, the air inlet 7 is connected to the interior of the fixed box 6, and a fixed pipe 8 is fixedly installed on one end of the fixed box 6. The fixed pipe 8 is connected to the fan, so that the smoke generated by welding can be discharged through the air inlet 7 and the fixed box 6 to avoid affecting the operator.

[0023] When the printed circuit board patch fixture is used, the fixed tube 8 is connected to the fan through a pipeline. After the fan is started, the air inside the fixed tube 8 and the fixed box 6 is discharged, so that negative pressure is generated near the air inlet 7. The printed circuit board to be patched is placed on the top of the top plate 4, and the top plate 4 is pressed downward. The top plate 4 slides downward through the limit rod. The limit rod compresses the spring 13, so that the spring 13 generates elastic force. The knob 15 is turned, and the knob 15 drives the bidirectional screw 14 to rotate inside the inner cavity 9. The bottom end of the clamping plate 3 is driven to move inside the inner cavity 9 through the screw connection between the bidirectional screw 14 and the screw hole, and the clamping plate 3 slides inside the slide groove 12. , so that the clamping plates 3 on both sides are close to each other, and the clamping plates 3 clamp and fix the two ends of the printed circuit board through the clamping grooves 11, and the printed circuit board is loosened, and the top plate 4 squeezes the printed circuit board under the elastic force of the limit rod and the spring 13, thereby improving the stability of the printed circuit board; the smoke extraction mechanism is arranged on both sides of the clamping plates 3, which reduces the volume of the device and facilitates the movement of the device; and the air inlet 7 is arranged on both sides of the printed circuit board, which is close to the printed circuit board, so that the smoke generated by welding is sucked into the interior of the fixed box 6 through the air inlet 7 and negative pressure, and discharged through the fixed pipe 8 and the fan, which can improve the smoke removal efficiency and has high practicality.

[0024] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A printed circuit board patch fixture, comprising a base (1), characterized in that: The base (1) has an inner cavity (9) formed therein, and slide grooves (12) are symmetrically formed on both sides of the top of the inner cavity (9), and a clamping plate (3) is provided inside the slide groove (12) through an adjustment mechanism (2). A top plate (4) is movably provided at the middle position of the top of the base (1), and a smoking mechanism is provided at the front and rear sides of the top of the base (1), and the smoking mechanism includes a fixing plate (5), and air inlets (7) are equidistantly formed inside the top of the fixing plate (5), and the air inlets (7) are provided on both sides of the clamping plate (3).

2. A printed circuit board patch fixture according to claim 1, characterized in that: A limiting rod is fixedly arranged at the bottom of the top plate (4), the limiting rod is in a "T" shape, and the limiting rod is slidably mounted inside the top end of the base (1).

3. A printed circuit board patch fixture according to claim 2, characterized in that: The bottom end of the limiting rod is provided with the interior of an inner cavity (9), a spring (13) is fixedly mounted between the bottom end of the limiting rod and the bottom of the inner cavity (9), and the top plate (4) is arranged between the clamping plates (3) on both sides.

4. A printed circuit board patch fixture according to claim 3, characterized in that: The adjustment mechanism (2) comprises a bidirectional screw (14), and the bidirectional screw (14) is installed inside the inner cavity (9) in a position-limited rotation manner.

5. A printed circuit board patch fixture according to claim 4, characterized in that: The bottom end of the clamping plate (3) is limitedly slidably mounted inside the slide groove (12), and the bottom end of the clamping plate (3) is screwed to the two ends of the bidirectional screw rod (14) through screw holes.

6. A printed circuit board patch fixture according to claim 5, characterized in that: Knobs (15) are fixedly mounted on both ends of the bidirectional screw rod (14); the knobs (15) are arranged on the outside of the base (1); and the bidirectional screw rod (14) is arranged on one side of the spring (13).

7. A printed circuit board patch fixture according to claim 6, characterized in that: A rubber pad (10) is fixedly arranged on the top of the top plate (4), a slot (11) is provided on the side wall of the top end of the clamping plate (3), and a rubber layer is fixedly arranged on the inner wall of the slot (11).

8. A printed circuit board patch fixture according to claim 1, characterized in that: A fixing box (6) is fixedly mounted on one side of the top end of the fixing plate (5), the air inlet (7) is connected to the interior of the fixing box (6), and a fixing pipe (8) is fixedly mounted on one end of the fixing box (6).

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