Compressing and fixing device of circuit board

Abstract

The utility model discloses a compressing and fixing device for a circuit board, which belongs to the technical field of circuit board processing and comprises a workbench and a protective box fixed on one side of the workbench, two electric telescopic rods are mounted on the bottom wall of an inner cavity of the workbench, and a supporting plate is fixed at the output ends of the electric telescopic rods. Two connecting rods are movably connected to the surface of the workbench, fixing plates are fixed to one ends of the connecting rods, fixing sleeves are rotationally connected to the opposite faces of the two fixing plates through rotating shafts, a stepping motor is installed on the outer wall of one fixing plate, and a moving hole is formed in the outer wall of one side of each fixing sleeve. A connecting block is movably connected into the moving hole of the fixing sleeve, and a fixing frame is fixed to one end of the connecting block. According to the pressing and fixing device for the circuit board, the two faces of the circuit board can be conveniently machined, meanwhile, when the circuit board is machined, the circuit board is stably supported, and the machining quality of the circuit board is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of circuit board processing, and particularly relates to a compression fixing device for circuit board. BACKGROUND

[0002] The circuit board is also called as a printed circuit board, and is made of polyimide or polyester film. The circuit board has the characteristics of high wiring density, light weight, thin thickness and good bending property. The flexible circuit board and the rigid circuit board are combined together through compression and other processes according to relevant process requirements to form a circuit board with certain characteristics. The compression fixing device is needed for the circuit board during the processing.

[0003] However, the compression fixing device for the circuit board can only process one side after the compression and fixing of the circuit board. When the other side needs to be processed, the circuit board needs to be disassembled, turned over and then placed on the compression fixing device for compression and fixing, so that the other side can be processed. Therefore, the compression fixing device is time-consuming and labor-consuming and inconvenient to use. UTILITY MODEL CONTENTS

[0004] The utility model discloses a compression fixing device for circuit board, which can solve the problem that the existing compression fixing device for circuit board can only process one side after the compression and fixing of the circuit board, and the other side needs to be processed, so the circuit board needs to be disassembled, turned over and then placed on the compression fixing device for compression and fixing, so that the other side can be processed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a compression fixing device for circuit board, which comprises a workbench and a protection box fixed to one side of the workbench. The bottom wall of the inner cavity of the workbench is provided with two electric telescopic rods, and the output end of the electric telescopic rod is fixed with a supporting plate. A double-shaft motor is installed in the protection box. The surface of the workbench is movably connected with two connecting rods. One end of the connecting rod is fixed with a fixed plate.

[0006] The opposite surfaces of the two fixed plates are movably connected with fixed sleeves through shafts. A stepper motor is installed on the outer wall of one fixed plate, and the output shaft of the stepper motor is fixedly connected with the fixed sleeve. A moving hole is formed in the outer wall of one side of the fixed sleeve. A connecting block is movably connected in the moving hole of the fixed sleeve. One end of the connecting block is fixed with a fixed frame.

[0007] In further embodiments, the two output ends of the double-shaft motor are fixed with guide screws, the thread grooves of the two guide screws are opposite in direction, and the outer wall of the guide screw is threadedly connected with a guide block fixedly connected with the connecting rod.

[0008] In further embodiments, the outer wall of one side of the fixed sleeve is provided with a through hole, the through hole of the fixed sleeve is movably connected with a fixed pin, and the outer wall of one side of the connecting block is provided with a fixed hole matched with the fixed pin.

[0009] In further embodiments, the outer wall of the fixed pin is fixed with a fixed ring, and the outer part of the fixed pin is sleeved with a fixed spring for supporting the fixed ring.

[0010] In further embodiments, the surface of the fixed frame is provided with a threaded hole, and the threaded hole in the surface of the fixed frame is threadedly connected with a fixed screw rod, and the bottom of the fixed screw rod is rotatably connected with a pressing plate movably connected with the fixed frame.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] The pressing and fixing device of the circuit board places the two ends of the circuit board between the two fixed frames respectively, the fixed screw rod drives the pressing plate to move, the pressing plate is pressed on the surface of the circuit board, thereby fixing the position of the circuit board, after the processing of one side of the circuit board is completed, the stepping motor works, and the circuit board is automatically turned over, after the processing of one side of the circuit board is completed, the circuit board does not need to be disassembled and assembled again, and the other side of the circuit board can be processed, thereby improving the processing efficiency of the circuit board.

[0013] During the processing of the circuit board, the electric telescopic rod drives the supporting plate to move upwards, the supporting plate is attached to the bottom of the circuit board, thereby stably supporting the circuit board, ensuring the stability during the processing of the circuit board, and ensuring the processing quality of the circuit board.

[0014] The double-shaft motor drives the guide screw to rotate, cooperates with the guide block and the connecting rod, can adjust the distance between the two fixed frames, cooperates with the pressing plate, can fix the circuit board of different specifications, and has a wider application range.

[0015] The fixed ring is supported by the fixed spring, the fixed pin is inserted into the fixed hole of the connecting block, the position of the fixed frame can be quickly fixed, the fixed pin is separated from the connecting block by pulling the fixed pin, the fixed frame can be disassembled, maintenance and replacement of the connecting frame are facilitated, the pressing and fixing device of the circuit board not only facilitates the processing of both sides of the circuit board, but also stably supports the circuit board during the processing of the circuit board, and ensures the processing quality of the circuit board. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 It is a structural schematic view of the present application;

[0018] Figure 2 It is a sectional view of the present application;

[0019] Figure 3 It is a structural schematic view of the double-shaft motor and the connecting rod of the present application;

[0020] Figure 4 It is a sectional view of the fixing sleeve of the present application.

[0021] In the figure: 1, workbench; 2, electric telescopic rod; 3, support plate; 4, protection box; 5, double-shaft motor; 6, guide screw; 7, guide block; 8, connecting rod; 9, fixed plate; 10, stepping motor; 11, fixing sleeve; 12, connecting block; 13, fixing pin; 14, fixing ring; 15, fixing spring; 16, fixing frame; 17, fixing screw; 18, pressing plate. Specific embodiments

[0022] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present application. However, it is obvious for those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present application, some technical features known in the art are not described.

[0023] Unless the direction indicated by the single definition is defined, the directions such as up, down, left, right, front, back, inside and outside involved in this paper are based on the directions such as up, down, left, right, front, back, inside and outside in the figure shown by the present application, which is described herein.

[0024] Please refer to Figures 1-4The utility model provides a kind of line board's compression fixing device, including workbench 1 and the protection box 4 fixed in the one side of workbench 1, the bottom wall of the inner chamber of workbench 1 is equipped with two electric telescopic link 2 by bolt, and the output end of electric telescopic link 2 is fixed with support plate 3 by bolt, the surface of workbench 1 is equipped with the through slot matched with support plate 3, protection box 4 is fixedly connected with workbench 1 by bolt, double-shaft motor 5 is installed in protection box 4 by bolt, the two output ends of double-shaft motor 5 are fixed with guide screw 6 by coupling, the thread groove of two guide screws 6 is opposite, and the outer wall of guide screw 6 is threadedly connected with guide block 7, the surface of protection box 4 is equipped with the guide slot for the movement of guide block 7, when double-shaft motor 5 drives guide screw 6 to rotate, guarantee guide block 7 moves horizontally in protection box 4, the surface of workbench 1 movably connects with two connecting rods 8, guide block 7 is welded with connecting rod 8, and one end of connecting rod 8 is welded with the fixed plate 9 movably connected with workbench 1;

[0025] The opposite surface of two fixed plates 9 is movably connected with fixed sleeve 11 by pivot, the outer wall of one fixed plate 9 is equipped with step motor 10 by bolt, and the output shaft of step motor 10 is fixedly connected with fixed sleeve 11, the side outer wall of fixed sleeve 11 is equipped with moving hole, connecting block 12 is movably connected in the moving hole of fixed sleeve 11, the side outer wall of fixed sleeve 11 is equipped with through hole, fixed pin 13 is movably connected in the through hole of fixed sleeve 11, the side outer wall of connecting block 12 is equipped with fixed hole matched with fixed pin 13, the outer wall of fixed pin 13 is fixed with fixed ring 14, and fixed spring 15 for supporting fixed ring 14 is sleeved on the outside of fixed pin 13, one end of connecting block 12 is welded with fixed frame 16 movably connected with fixed sleeve 11;

[0026] The surface of fixed frame 16 is equipped with threaded hole, and fixed screw 17 is threadedly connected in the threaded hole of the surface of fixed frame 16, and the bottom of fixed screw 17 is movably connected with pressing plate 18 movably connected with fixed frame 16 by bearing rotationally connected by welding, by double-shaft motor 5 drives guide screw 6 to rotate, cooperate guide block 7 and connecting rod 8, the distance between two fixed frames 16 can be adjusted, cooperate pressing plate 18, different specifications of line board can be fixed, when line board is processed, electric telescopic link 2 drives support plate 3 to move upwards, makes support plate 3 adhere to the bottom of line board, to stabilize support line board, guarantee the stability when line board is processed, to guarantee the processing quality of line board, after the processing of one side of line board is completed, step motor 10 works, automatically overturns line board, after the processing of one side of line board is completed, line board does not need to be reassembled, and the other side of line board can be processed, improve the processing efficiency of line board;

[0027] The fixed ring 14 is supported by the fixed spring 15, the fixed pin 13 is inserted into the fixed hole of the connecting block 12, the position of the fixed frame 16 can be quickly fixed, the fixed frame 16 can be disassembled by pulling the fixed pin 13 and separating the fixed pin 13 from the connecting block 12, and the connecting frame can be conveniently maintained and replaced.

[0028] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein, the control mode of the utility model is controlled by a controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0029] In the description of the utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0030] Working principle:

[0031] The compression fixing device of the circuit board places the circuit board to be processed between the two fixed frames 16 during use, the double-shaft motor 5 drives the guide screw 6 to rotate, thereby driving the guide block 7 and the connecting rod 8 to move towards each other, the connecting rod 8 drives the fixed frame 16 to move towards each other through the fixed plate 9, the fixed frame 16 is attached to the two sides of the circuit board, the fixed screw 17 is rotated, the pressing plate 18 is driven to move downwards, the pressing plate 18 is pressed on the surface of the circuit board, and the position of the circuit board is fixed;

[0032] During the processing of the circuit board, the electric telescopic rod 2 drives the supporting plate 3 to move upwards, the supporting plate 3 is attached to the bottom of the circuit board, thereby stably supporting the circuit board and ensuring the stability during the processing of the circuit board, thereby ensuring the processing quality of the circuit board, when one side of the circuit board is processed, the electric telescopic rod 2 drives the supporting plate 3 to descend into the workbench 1, the stepping motor 10 works, drives the fixed frame 16 to rotate, and automatically flips the circuit board, after the circuit board is flipped, the electric telescopic rod 2 continues to work, the supporting plate 3 is attached to the bottom of the circuit board, and the other side of the circuit board is processed, after the processing of the circuit board is completed, the circuit board is taken out from the fixed frame 16.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pressing fixture for a circuit board, comprising a worktable (1) and a protection box (4) fixed to one side of the worktable (1), characterized in that: Two electric telescopic rods (2) are installed on the bottom wall of the inner cavity of the workbench (1), and the output end of the electric telescopic rod (2) is fixed with a support plate (3); a double-shaft motor (5) is installed in the protection box (4); the surface of the workbench (1) is movably connected with two connecting rods (8); one end of the connecting rod (8) is fixed with a fixed plate (9); The opposite surface of the two fixed plates (9) is movably connected with a fixed sleeve (11) through a rotating shaft; a stepping motor (10) is installed on the outer wall of one fixed plate (9), and the output shaft of the stepping motor (10) is fixedly connected with the fixed sleeve (11); a moving hole is formed in the outer wall of one side of the fixed sleeve (11); a connecting block (12) is movably connected in the moving hole of the fixed sleeve (11); and one end of the connecting block (12) is fixed with a fixed frame (16).

2. The pressurizing fixing device for a circuit board according to claim 1, wherein: The two output ends of the double-shaft motor (5) are fixed with guide screws (6), the screw grooves of the two guide screws (6) are opposite, and the outer wall of the guide screw (6) is threadedly connected with a guide block (7) fixedly connected with the connecting rod (8).

3. The compression fixture of claim 1, wherein: A through hole is formed in the outer wall of one side of the fixed sleeve (11), and a fixed pin (13) is movably connected in the through hole of the fixed sleeve (11); a fixed hole matched with the fixed pin (13) is formed in the outer wall of one side of the connecting block (12).

4. The pressurizing fixing device for a circuit board according to claim 3, wherein: The outer wall of the fixed pin (13) is fixedly connected with a fixed ring (14), and the outer sleeve of the fixed pin (13) is sleeved with a fixed spring (15) for supporting the fixed ring (14).

5. The pressurizing fixing device for a circuit board according to claim 1, wherein: The surface of the fixed frame (16) is provided with a threaded hole, and the threaded hole in the surface of the fixed frame (16) is threadedly connected with a fixed screw rod (17); and the bottom of the fixed screw rod (17) is movably connected with a pressing plate (18) movably connected with the fixed frame (16).

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