Printed circuit board holder

Abstract

The utility model discloses a printed circuit board clamping device which comprises a clamping module, an overturning module, a controller and a supporting seat. Wherein the overturning module comprises two vertical plates, and the two vertical plates are respectively and fixedly connected with the supporting seat. According to the utility model, through the clamping module, the two clamping plates clamp the circuit board, when the two clamping plates contact the two sides of the circuit board and clamp the circuit board, square rods drive a group of T-shaped sliding blocks to continuously slide along sliding grooves, springs are compressed, the two square rods respectively drive corresponding contact switches to contact the clamping plates, and the contact switches feed back signals; when the circuit board is machined, the controller controls the second motor to be turned off, the circuit board is fixed and positioned at the moment, the circuit board starts to be machined, the second motor can be controlled to be turned off in time through the arrangement of the contact switch, the situation that the circuit board is damaged due to the fact that the clamping force of the clamping plate on the circuit board is too large is avoided, and circuit boards of different thicknesses can be clamped.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board clamping technical field especially relates to a kind of printed circuit board holder. BACKGROUND

[0002] PCB, Chinese name is printed circuit board, also called printed wiring board, is important electronic component, is the supporting body of electronic component, is the carrier of electronic component electrical connection. Since it is made by electronic printing, it is called "printed" circuit board, with the development of science and technology, printed circuit board also develops from single layer to double-sided, multilayer and flexible, and still in continuous development, printed circuit board is mainly a kind of on insulator covers a layer of copper foil, and the copper foil is easily scratched and causes printed circuit board to be scrapped, printed circuit board manufacturing process is numerous, in the transportation process from a process to next process, if not properly installed, it is easy to appear scratch and cause printed circuit board to be scrapped;

[0003] In prior art, printed circuit board is generally inserted into mounting slot of fixed size for processing, but printed circuit board thickness is variable, fixed size clamping slot cannot meet various sizes of circuit board, and during circuit board processing, it needs to be turned over to process front and back surfaces of circuit board, but existing circuit board holder generally does not have the function of turning over circuit board, reducing practicability;

[0004] Therefore, it is necessary to provide a printed circuit board holder to solve the above technical problems. INVENTION CONTENTS

[0005] The utility model aims at solving the shortcomings in prior art and provides a printed circuit board holder.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A printed circuit board holder, comprising clamping module, turnover module, controller, support seat;

[0008] Among them, the turnover module includes two vertical plates, two vertical plates are respectively fixedly connected with support seat, two round shafts are respectively movably connected with the round holes arranged on the upper parts of corresponding vertical plates, two round shafts are respectively fixedly connected with two sides of square frame, one end of corresponding round shaft is fixedly connected with output shaft of speed reducer, speed reducer shell is fixedly connected with corresponding vertical plate, input shaft of speed reducer is fixedly connected with output shaft of motor one, motor one is fixedly connected with corresponding vertical plate.

[0009] Preferably, the clamping module comprises two lead screw grooves, the two lead screw grooves are arranged at two sides of the square frame respectively, a corresponding pair of sliding blocks are arranged in the two lead screw grooves respectively, a corresponding pair of the sliding blocks are hingedly connected to corresponding connecting rods through pin shafts respectively, one end of the two lead screw grooves is movably connected to one end of a corresponding bidirectional lead screw respectively, two sections of threads with opposite directions are arranged on two ends of the two bidirectional lead screws respectively, the two bidirectional lead screws are threadedly connected to a corresponding pair of the sliding blocks respectively, one end of the two bidirectional lead screws penetrates through the corresponding lead screw groove respectively, the center of a corresponding belt pulley is fixedly connected to one end of the two bidirectional lead screws respectively, the two belt pulleys are connected through a belt respectively, the other end of a corresponding bidirectional lead screw penetrates through the other side of a corresponding lead screw groove, the other end of the corresponding bidirectional lead screw is fixedly connected to an output shaft of a second motor, and the second motor is fixedly connected to the square frame.

[0010] Preferably, a corresponding pair of the connecting rods are hingedly connected to corresponding square rods through pin shafts respectively, two ends of the two square rods are fixedly connected to corresponding T-shaped sliding blocks respectively, a corresponding pair of the T-shaped sliding blocks are arranged in corresponding sliding grooves respectively, the two sliding grooves are all T-shaped in cross section, the two sliding grooves are arranged at two sides of the square frame respectively, a corresponding pair of guide holes are arranged on the two square rods respectively, a corresponding guide rod is arranged in the corresponding guide hole, a corresponding spring is annularly arranged on the corresponding guide rod, one end of the corresponding pair of springs is fixedly connected to the corresponding square rod, and the other end of the corresponding pair of springs is fixedly connected to a corresponding clamping plate.

[0011] Preferably, one side of the two square rods is fixedly connected to a corresponding contact switch, and the two contact switches are both KH-6X6X6H-STM.

[0012] Preferably, one of the vertical plates is fixedly connected to the controller.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、through clamping module, two clamping plates clamp the circuit board, when the two clamping plates contact the two sides of the circuit board and clamp, at this time, the square rod drives a group of T-shaped sliding blocks to continue sliding along the sliding groove, so that the spring is compressed, and the two square rods drive corresponding contact switches to contact the clamping plate respectively, at this time, the contact switch feedback signal makes the controller control the second motor to be closed, so that the circuit board is fixed and positioned, and the circuit board is processed, the contact switch can control the second motor to be closed in time, the clamping force of the clamping plate on the circuit board is avoided to be too large, the circuit board is prevented from being damaged, and the circuit board with different thicknesses can be clamped.

[0015] 2、When the reverse side of the circuit board needs to be processed, the module is turned over, the circuit board is turned over, and the other side of the circuit board can be processed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic view of the utility model.

[0017] Figure 2 It is a three-dimensional schematic view of the utility model.

[0018] Figure 3 It is a schematic view of the connection structure of part of the utility model.

[0019] Figure 4 It is a schematic view of the connection structure of part of the utility model after cutting.

[0020] Figure 5 It is a schematic view of the connection structure of part of the utility model.

[0021] Figure 6 It is a schematic view of the connection structure of part of the utility model.

[0022] In the figure:

[0023] 1: clamping module, 11, belt, 12, pulley, 13, bidirectional screw, 14, sliding block, 15, connecting rod, 16, motor two, 17, T-shaped sliding block, 18, guide rod, 19, clamping plate, 110, spring, 111, square rod, 112, contact switch, 113, screw groove, 114, sliding groove, 115, guide hole;

[0024] 2: turnover module, 21, square frame, 22, round shaft, 23, speed reducer, 24, motor one, 25, vertical plate;

[0025] 3, controller;

[0026] 4, support seat. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] A printed circuit board holder, comprising a clamping module 1, a turnover module 2, a controller 3, and a support seat 4;

[0029] Two said vertical plates 25 are fixedly connected to the support base 4, two round shafts 22 are movably connected to the upper part of the vertical plate 25, two square frames 21 are fixedly connected to the two sides of the round shaft 22, one end of the round shaft 22 is fixedly connected to the output shaft of the speed reducer 23, the speed reducer 23 is fixedly connected to the vertical plate 25, the input shaft of the speed reducer 23 is fixedly connected to the output shaft of the motor 24, and the motor 24 is fixedly connected to the vertical plate 25.

[0030] The clamping module 1 comprises two screw grooves 113, two screw grooves 113 are arranged on both sides of the square frame 21, and a pair of sliding blocks 14 are arranged in the screw groove 113. The sliding block 14 is hingedly connected to the connecting rod 15 through the pin shaft, one end of the screw groove 113 is movably connected to the bidirectional screw rod 13, the two ends of the bidirectional screw rod 13 are provided with two threads with opposite directions, the bidirectional screw rod 13 is screw-connected to the sliding block 14, the bidirectional screw rod 13 is fixedly connected to the center of the belt pulley 12, the belt pulley 12 is connected by the belt 11, and the other end of the bidirectional screw rod 13 is fixedly connected to the output shaft of the motor 16.

[0031] The connecting rod 15 is hingedly connected to the square rod 111 through the pin shaft, the square rod 111 is fixedly connected to the T-shaped sliding block 17, the T-shaped sliding block 17 is arranged in the sliding groove 114, the cross section of the sliding groove 114 is T-shaped, the sliding groove 114 is arranged on the square frame 21, the square rod 111 is provided with a pair of guide holes 115, the guide hole 115 is provided with a guide rod 18, the guide rod 18 is sleeved with a spring 110, one end of the spring 110 is fixedly connected to the square rod 111, and the other end of the spring 110 is fixedly connected to the clamping plate 19.

[0032] The square rod 111 is fixedly connected to the contact switch 112, and the contact switch 112 is KH-6X6X6H-STM.

[0033] One of the vertical plates 25 is fixedly connected to the controller 3.

[0034] The controller 3 is electrically connected to the motor 24, the motor 16 and the contact switch 112 respectively.

[0035] Working principle: first, place the circuit board to be clamped between the two clamping plates 19, the controller 3 controls the motor 16 to start, the motor 16 drives the corresponding one-way screw rod 13 to rotate, the corresponding one-way screw rod 13 drives the corresponding one-way screw rod 13 to rotate, the corresponding one-way screw rod 13 drives the corresponding one-way screw rod 13 to rotate, the two one-way screw rods 13 respectively drive the corresponding pair of sliding blocks 14 to slide towards each other, the corresponding pair of sliding blocks 14 respectively drive the corresponding connecting rods 15 to swing, the corresponding pair of connecting rods 15 respectively drive the corresponding square rods 111 to move, the two square rods 111 respectively drive the corresponding pair of T-shaped sliding blocks 17 along the sliding groove 114, and the two square rods 111 respectively drive the guide rod 18, the spring 110, the clamping plate 19 and the like to move towards each other, so that the two clamping plates 19 clamp the circuit board, when the two clamping plates 19 contact the two sides of the circuit board and clamp it, at this time the square rod 111 drives a group of T-shaped sliding blocks 17 to continue to slide along the sliding groove 114, so that the corresponding pair of guide rods 18 moves along the guide hole 115, so that the spring 110 is compressed, and the two square rods 111 respectively drive the corresponding contact switches 112 to contact the clamping plate 19, at this time the contact switch 112 feeds back a signal, so that the controller 3 controls the motor 16 to be closed, at this time the fixed positioning of the circuit board is realized, and the processing of the circuit board is started, the setting of the contact switch 112 can control the motor 16 to be closed in time, so as to avoid that the clamping force of the clamping plate 19 on the circuit board is too large and causes damage to the circuit board.

[0036] Then when the reverse side of the circuit board needs to be processed, the controller 3 controls the motor 24 to start, the motor 24 drives the corresponding one-way screw rod 13 to rotate through the speed reducer 23, the corresponding one-way screw rod 13 drives the square frame 21 to rotate, so that the square frame 21 drives the clamping module 1, the circuit board and the like to rotate, and the turning of the circuit board is realized, at this time the motor 24 is closed, and the other side of the circuit board can be processed.

[0037] Beneficial effect: through the clamping module 1, two clamping plates 19 are clamped to the circuit board, when two clamping plates 19 contact two sides of the circuit board and are clamped, at this time, the square bar 111 drives a group of T-shaped sliders 17 to continue to slide along the sliding groove 114, so that the spring 110 is compressed, and two square bars 111 drive corresponding contact switches 112 to contact the clamping plate 19 respectively, at this time, the contact switch 112 feeds back a signal, so that the controller 3 controls the motor two 16 to be closed, at this time, the fixation and positioning of the circuit board are realized, the processing of the circuit board is started, the setting of the contact switch 112 can control the motor two 16 to be closed in time, the clamping force of the clamping plate 19 on the circuit board is avoided to be too large, and the circuit board is damaged, when the reverse surface of the circuit board needs to be processed, the turnover module 2 is used, the surface of the circuit board is turned over, and the other surface of the circuit board can be processed.

[0038] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A printed circuit board holder, characterized in that, The printed circuit board holder includes: Clamping module (1), flipping module (2), controller (3), support base (4); The flipping module (2) includes two upright plates (25), which are fixedly connected to the support base (4). Two round shafts (22) are movably connected to the round holes provided on the upper part of the corresponding upright plates (25). The two round shafts (22) are fixedly connected to the two sides of the square frame (21). One end of one of the round shafts (22) is fixedly connected to the output shaft of the reducer (23). The housing of the reducer (23) is fixedly connected to one of the corresponding upright plates (25). The input shaft of the reducer (23) is fixedly connected to the output shaft of the first motor (24). The first motor (24) is fixedly connected to one of the corresponding upright plates (25).

2. The printed circuit board holder of claim 1, wherein, The clamping module (1) includes two lead screw grooves (113), which are respectively disposed on both sides of the square frame (21). Each of the two lead screw grooves (113) contains a corresponding pair of sliders (14), which are respectively connected to corresponding connecting rods (15) via pin hinges. The inner ends of the two lead screw grooves (113) are movably connected to one end of a corresponding bidirectional lead screw (13). Each end of the two bidirectional lead screws (13) has two sections of threads with opposite directions. The two bidirectional lead screws (13) are respectively threaded to a corresponding pair of... The slider (14) has one end of each of the two bidirectional lead screws (13) passing through the corresponding lead screw groove (113). One end of each of the two bidirectional lead screws (13) is fixedly connected to the center of the corresponding pulley (12). The two pulleys (12) are connected to each other by belts (11). The other end of one of the bidirectional lead screws (13) passes through the other side of the corresponding lead screw groove (113). The other end of one of the bidirectional lead screws (13) is fixedly connected to the output shaft of motor two (16). Motor two (16) is fixedly connected to the square frame (21).

3. The printed circuit board holder of claim 2, wherein, A corresponding pair of connecting rods (15) are hingedly connected to a corresponding square rod (111) through a pin, two ends of the square rod (111) are fixedly connected to a corresponding T-shaped sliding block (17), a corresponding pair of T-shaped sliding blocks (17) are arranged in a corresponding sliding groove (114), the cross section of the sliding groove (114) is T-shaped, two sliding grooves (114) are arranged on the two sides of the square frame (21), a corresponding pair of guide holes (115) are arranged on the two square rods (111), a corresponding guide rod (18) is arranged in the guide hole (115), a spring (110) is sleeved on the guide rod (18), one end of the spring (110) is fixedly connected to the square rod (111), the other end of the spring (110) is fixedly connected to a clamping plate (19), and the clamping plate (19) is fixedly connected to the guide rod (18).

4. The printed circuit board holder of claim 3, wherein, One side of the two square rods (111) is fixedly connected to a corresponding contact switch (112), and the model of the contact switch (112) is KH-6X6X6H-STM.

5. The printed circuit board holder of claim 1, wherein, A corresponding one of the vertical plates (25) is fixedly connected to the controller (3).

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