Compressing and fixing device of circuit board

Abstract

The utility model discloses a compressing and fixing device of a circuit board, which comprises a U-shaped base and a circuit board body arranged in the base, the left and right opposite side walls in the base are rotatably connected with movable discs, the outer side walls of the movable discs are fixedly connected with annularly arranged racks, and the racks are fixedly connected with the movable discs. A gear meshed with the rack is arranged at the lower end of the movable disc, a rotating rod is arranged in the base, one end of the rotating rod is rotationally connected with the inner side wall of the base, and a first servo motor is fixedly connected to the outer side wall of the base; and the other end of the rotating rod sequentially penetrates through the two gears and the base and is fixedly connected with the tail end of an output shaft of the first servo motor, the rotating rod is fixedly connected with the gears, and the rotating rod is rotationally connected with the base. According to the utility model, through the arrangement of the movable disc, the pressing block and other mechanisms, a user can conveniently turn over and adjust the circuit board while the circuit board is pressed and fixed, and the convenience and the efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing, in particular to a pressing and fixing device for a circuit board. Background Art

[0002] Circuit board is also called circuit board. Circuit board can be called printed circuit board or printed circuit board. Circuit board is made of polyimide or polyester film as the base material. It has the characteristics of high reliability, high wiring density, light weight, thin thickness and good bending property. The flexible circuit board and the rigid circuit board are combined together through processes such as pressing and other processes according to relevant process requirements to form a circuit board with certain characteristics.

[0003] When the circuit board is undergoing processing such as welding, punching and surface treatment, it needs to be fixed with the help of a fixing device. After the traditional fixing devices on the market fix the circuit board, it is not convenient to turn it over and it needs to be loosened and turned over manually. The convenience and efficiency need to be improved. Utility Model Content

[0004] The purpose of the utility model is to solve the problems raised in the above background technology and to propose a clamping and fixing device for a circuit board.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A clamping and fixing device for a circuit board, comprising a U-shaped base and a circuit board body arranged therein, wherein movable disks are rotatably connected to the left and right opposite side walls in the base, a ring-shaped rack is fixedly connected to the outer wall of the movable disk, a gear meshing with the rack is provided at the lower end of the movable disk, a rotating rod is provided in the base, one end of the rotating rod is rotatably connected to the inner side wall of the base, a first servo motor is fixedly connected to the outer side wall of the base, the other end of the rotating rod passes through two gears and the base in sequence and is fixedly connected to the end of the output shaft of the first servo motor, the rotating rod is fixedly connected to the gear, and the rotating rod is connected to the base. Rotational connection, the upper ends of the two movable disks are fixedly connected with a second servo motor, the end of the output shaft of the second servo motor is fixedly connected with a bidirectional screw, the opposite sides of the two movable disks are provided with a slide groove, and two sliders are slidably connected on the inner side wall of the slide groove, the lower end of the bidirectional screw passes through the movable disk and the two sliders in sequence and is rotationally connected to the inner bottom of the slide groove, the bidirectional screw and the slider are threadedly connected, and the bidirectional screw and the movable disk are rotationally connected, one end of the slider passes through the slide groove, and the two ends of the circuit board body extend respectively between the two sliders, and a pressure block is fixedly connected to the side of the slider close to the circuit board body.

[0007] Preferably, an electric push rod is fixedly connected to the bottom of the base and close to the center, and a support plate is fixedly connected to the upper end of the electric push rod.

[0008] Preferably, a first rubber pad is fixedly connected to the upper end of the support plate.

[0009] Preferably, an arc-shaped groove is provided on the outer side wall of the sliding block, a ball is rollingly connected to the inner side wall of the arc-shaped groove, and part of the ball passes through the arc-shaped groove.

[0010] Preferably, a support block is rotatably sleeved on the rotating rod, and the lower end of the support block is fixed to the inner bottom of the base.

[0011] Preferably, one end of the pressing block away from the sliding block is fixedly connected to a second rubber pad.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, the second servo motor, the bidirectional screw, the slider, the pressure block, the electric push rod and the support plate are arranged to achieve clamping and fixing of the circuit board, and at the same time, support the bottom thereof, thereby improving the stability of the circuit board during processing;

[0014] 2. In the utility model, by means of the first servo motor, the rotating rod, the gear, the rack and the movable disk, the circuit board in the clamped and fixed state can be quickly rotated and turned over; in the utility model, by means of the movable disk and the pressing block and other mechanisms, the circuit board can be pressed and fixed while being convenient for the user to turn it over and adjust it, thereby improving convenience and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a circuit board pressing and fixing device proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of a circuit board pressing and fixing device proposed by the utility model;

[0017] Figure 3 The utility model is a partial side structural schematic diagram of a movable disk of a circuit board pressing and fixing device.

[0018] In the figure: 1-base, 2-first servo motor, 3-gear, 4-movable disk, 5-support block, 6-electric push rod, 7-support plate, 8-rotating rod, 9-bidirectional screw, 10-slider, 11-pressing block, 12-second servo motor, 13-rack. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-3 A clamping and fixing device for a circuit board comprises a U-shaped base 1 and a circuit board body arranged therein, an electric push rod 6 is fixedly connected to the bottom of the base 1 and near the center thereof, and is used to drive a support plate 7 to rise and fall, and the upper end of the electric push rod 6 is fixedly connected to a support plate 7 for supporting the circuit board body, and the upper end of the support plate 7 is fixedly connected to a first rubber pad for preventing wear between the circuit board body and the support plate 7;

[0021] In this embodiment, a movable disk 4 is rotatably connected to the left and right opposite side walls in the base 1, which is used to drive the circuit board body to rotate and turn over. A ring-shaped rack 13 is fixedly connected to the outer wall of the movable disk 4, which is used to drive the movable disk 4 to rotate. A gear 3 meshing with the rack 13 is provided at the lower end of the movable disk 4, which is used to drive the rack 13 to rotate. A rotating rod 8 is provided in the base 1, which is used to drive the gear 3 to rotate. One end of the rotating rod 8 is rotatably connected to the inner side wall of the base 1, and a first servo motor 2 is fixedly connected to the outer side wall of the base 1, which is used to drive the rotating rod 8 to rotate. The other end of the rotating rod 8 passes through the two gears 3 and the base 1 in sequence and is fixedly connected to the end of the output shaft of the first servo motor 2. The rotating rod 8 is fixedly connected to the gear 3, and the rotating rod 8 is rotatably connected to the base 1. A support block 5 is rotatably sleeved on the rotating rod 8 to support the rotating rod 8, and the lower end of the support block 5 is fixed to the inner bottom of the base 1.

[0022] In this embodiment, the upper ends of the two movable disks 4 are fixedly connected with a second servo motor 12 for driving the bidirectional screw 9 to rotate, the end of the output shaft of the second servo motor 12 is fixedly connected with a bidirectional screw 9 for driving the slider 10 to move, and the two movable disks 4 are provided with a slide groove on the opposite side, and two sliders 10 are slidably connected on the inner side wall of the slide groove for driving the pressure block 11 to move, and the lower end of the bidirectional screw 9 sequentially penetrates the movable disk 4 and the two sliders 10 and is rotatably connected to the inner bottom of the slide groove, the bidirectional screw 9 and the slider 10 are threadedly connected, and the bidirectional screw 9 and the movable disk 4 are rotatably connected;

[0023] An arc groove is provided on the outer wall of the slider 10, and a ball is rollingly connected to the inner wall of the arc groove to reduce the resistance of the slider 10 when it moves. Part of the ball passes through the arc groove, and one end of the slider 10 passes through the slide groove. The two ends of the circuit board body extend between the two sliders 10 respectively. A pressure block 11 is fixedly connected to the side of the slider 10 close to the circuit board body to press and fix the circuit board body. A second rubber pad is fixedly connected to the end of the pressure block 11 away from the slider 10 to prevent wear between the circuit board body and the pressure block 11.

[0024] In this embodiment, first, the second servo motor 12 is started to drive the bidirectional screw 9 to rotate. The bidirectional screw 9 drives the two sliders 10 to move in opposite directions through the action of thread engagement. The slider 10 drives the pressure block 11 to approach the circuit board body. The circuit board body is pressed and fixed by the pressure block 11 to prevent it from loosening. When it is necessary to rotate and flip it, the first servo motor 2 is started to drive the rotating rod 8 to drive the gear 3 to rotate. The movable disk 4 is driven to rotate through the action of the engagement between the gear 3 and the rack 13. The clamped circuit board body is driven by the movable disk 4 to rotate and flip over. Finally, the electric push rod 6 is started to drive the support plate 7 to rise. The support plate 7 supports the bottom of the circuit board body to improve the stability of the circuit board body during processing.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A circuit board clamping and fixing device, comprising a U-shaped base (1) and a circuit board body arranged therein, characterized in that: The base (1) has movable disks (4) rotatably connected to the left and right opposite side walls, and the outer wall of the movable disk (4) is fixedly connected to a ring-shaped rack (13). The lower end of the movable disk (4) is provided with a gear (3) meshing with the rack (13). The base (1) has a rotating rod (8), one end of which is rotatably connected to the inner wall of the base (1). The outer wall of the base (1) is fixedly connected to a first servo motor (2). The other end of the rotating rod (8) passes through the two gears (3) and the base (1) in sequence and is fixedly connected to the end of the output shaft of the first servo motor (2). The rotating rod (8) is fixedly connected to the gear (3), and the rotating rod (8) is rotatably connected to the base (1). The two movable disks (4) are The upper ends of the two movable disks (4) are fixedly connected to a second servo motor (12), and the output shaft end of the second servo motor (12) is fixedly connected to a bidirectional screw (9). The two movable disks (4) are provided with a slide groove on one side opposite to the other, and two sliders (10) are slidably connected to the inner side wall of the slide groove. The lower ends of the bidirectional screws (9) sequentially penetrate the movable disk (4) and the two sliders (10) and are rotatably connected to the inner bottom of the slide groove. The bidirectional screws (9) and the sliders (10) are threadedly connected, and the bidirectional screws (9) and the movable disk (4) are rotatably connected. One end of the slider (10) penetrates the slide groove, and the two ends of the circuit board body extend respectively between the two sliders (10). A pressure block (11) is fixedly connected to the side of the slider (10) close to the circuit board body.

2. A circuit board pressing and fixing device according to claim 1, characterized in that: An electric push rod (6) is fixedly connected to the bottom of the base (1) and close to the center, and a support plate (7) is fixedly connected to the upper end of the electric push rod (6).

3. A circuit board pressing and fixing device according to claim 2, characterized in that: The upper end of the support plate (7) is fixedly connected with a first rubber pad.

4. A circuit board pressing and fixing device according to claim 1, characterized in that: An arc-shaped groove is provided on the outer side wall of the sliding block (10), a ball is rollingly connected to the inner side wall of the arc-shaped groove, and a part of the ball passes through the arc-shaped groove.

5. The circuit board pressing and fixing device according to claim 1, characterized in that: A support block (5) is rotatably sleeved on the rotating rod (8), and the lower end of the support block (5) is fixed to the inner bottom of the base (1).

6. The circuit board pressing and fixing device according to claim 1, characterized in that: One end of the pressing block (11) away from the sliding block (10) is fixedly connected to a second rubber pad.

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