Jig for PCB and PCB

Abstract

The utility model provides a jig used for a PCB and the PCB, the jig used for the PCB comprises an operation table, the top of the operation table is provided with two clamping plates, the sides, close to each other, of the two clamping plates are fixedly connected with first buffer pads, and the tops of the clamping plates are fixedly connected with two guide rods. The utility model relates to the technical field of PCB (Printed Circuit Board) jigs. According to the jig for the PCB and the PCB, the transmission mechanism is arranged, a motor can be started to drive a second bevel gear to rotate, the second bevel gear can rotate a first bevel gear and a lead screw, and the lead screw can drive a transmission block, so that the transmission block moves towards one side close to the PCB body along the tracks of a sliding block and a sliding groove; when the PCB body is clamped, the first buffer pad on one side of the clamping plate is in contact with the PCB body, and meanwhile, the lower pressing block is located at the top of the PCB body, so that the PCB body can be effectively prevented from tilting, and the clamping stability is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board fixture technical field, concretely is a kind of fixture and PCB board for PCB board. BACKGROUND

[0002] Jig is a carpentry, ironwork, benchwork, machinery, electric control and other some handicrafts big category tool, it is mainly as a kind of tool to assist control position or action, PCB board is welded, also needs to use jig to clamp, to facilitate user to weld PCB board.

[0003] The utility model discloses a kind of fixture and PCB board for PCB board provided in the publication number "CN220798666U", including operation table and the frame body fixedly installed in operation table top, double thread rod is rotated in the inside of the frame body, according to PCB board body size, start first motor and drive double thread rod rotation, adjust two sliding seats to move, to control adjustment frame and move, start two air cylinders and push bottom adjustment frame to drop, simultaneously start second motor and drive gear rotation, gear drives toothed rod to move, and toothed rod drives the pressing frame of bottom to hold PCB board body four corners on rubber column;Four rubber column height is greater than the height of the PCB board body, so that in PCB board body pressure holding first contact rubber column, avoid the influence of scratch and scratch on PCB board body in production process, simultaneously rubber column will slow down the vibration generated between PCB board body and external device, and heat dissipation fin plate plays to the effect of strengthening heat dissipation of PCB board body.

[0004] But the above-mentioned device still has the following problems in the process of implementation:

[0005] PCB board jig in prior art is generally clamped by two sides of PCB board to achieve the effect of controlling the position of PCB board, but since PCB board is fragile, it is easy to be raised upward during clamping, thereby affecting the stability of clamping. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of fixture and PCB board for PCB board to solve the problems raised in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A kind of jig for PCB and PCB, including operation platform, the top of the operation platform is provided with two clamping plates, the side of two the clamping plates close to each other is fixedly connected with first buffer pad, the top of the clamping plate is fixedly connected with two guide rods, the surface of the guide rod is slidably connected with connecting frame, the top of the connecting frame is provided with guide hole for cooperation with guide rod, the bottom of the connecting frame is fixedly connected with down block, the bottom of the operation platform is fixedly connected with mounting frame, the bottom of the mounting frame is provided with transmission mechanism;

[0009] The transmission mechanism includes support block fixedly installed on the bottom of the operation platform, both sides of the support block are rotatably connected with first bevel gear by first bearing, one side of the first bevel gear is fixedly connected with lead screw, the surface of the lead screw is drivingly connected with transmission block, the top of the transmission block penetrates to the top of the operation platform, and is fixedly connected with the bottom of the clamping plate, the top of the operation platform is provided with transmission groove for cooperation with transmission block, the bottom of the mounting frame is fixedly connected with motor, the output end of the motor penetrates to the inside of the mounting frame, and is fixedly connected with second bevel gear engaged with the first bevel gear, one side of the connecting frame is provided with adjusting mechanism.

[0010] Preferably, the adjusting mechanism includes adjusting frame fixedly connected to one side of the connecting frame, the adjusting frame is provided with pulling block on one side, the pulling block is fixedly connected with pulling rod on one side, the pulling rod is fixedly connected with positioning rod on one end, the positioning rod penetrates to the inside of the guide hole on one end, a plurality of positioning holes for cooperation with the positioning rod are formed on one side of the guide rod.

[0011] Preferably, the positioning rod is fixedly connected with spring on one side, one end of the spring is fixedly connected with the inner wall of the adjusting frame.

[0012] Preferably, one end of the lead screw is rotatably connected with limiting block by second bearing, the top of the limiting block is fixedly connected with the bottom of the operation platform.

[0013] Preferably, the bottom of the down block is fixedly connected with second buffer pad, the material of the first buffer pad and the second buffer pad is rubber.

[0014] Preferably, the transmission block is fixedly connected with sliding block on both sides, the inner wall of the transmission groove is provided with sliding groove for cooperation with the sliding block.

[0015] A kind of PCB, including the jig for PCB, also include the PCB body setting in the top of the operation platform, the top of the PCB body is provided with insulating layer, the top of the insulating layer is fixedly connected with fire-retardant layer.

[0016] Preferably, the insulation layer is made of PET polyester film, and the flame-retardant layer is made of halogen-free flame-retardant TPE material.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1、 the utility model discloses a drive mechanism can be driven second bevel gear rotates through starting motor, and the first bevel gear and the screw rod are rotated to the second bevel gear, and the screw rod drives the transmission block to move to the side of the PCB plate body along the track of the sliding block and the sliding groove, until the first buffer pad of clamping plate one side contacts the PCB plate body, and the lower pressing block is located at the top of the PCB plate body, can effectively avoid the PCB plate body and further improve the stability of clamping.

[0019] 2、 the utility model discloses an adjusting mechanism can be moved pull block, drives pull rod and positioning rod to move, and the positioning rod is separated from the inside of the positioning hole, and then the position of connecting frame and lower pressing block is adjusted along the track of guide rod and guide hole, and the lower pressing block is located at the top of the PCB plate body, then the pull block is loosened, and the elastic force of spring will push the positioning rod into the inside of the corresponding positioning hole, and the adjustment of the position of lower pressing block is completed, and the stability of clamping is further improved.

[0020] 3、 the utility model discloses an insulation layer and flame-retardant layer can effectively avoid the PCB plate body and be ignited, and play the role of fire prevention. ACCURACY OF DRAWINGS

[0021] Figure 1 It is the main body structure schematic diagram of the utility model;

[0022] Figure 2 It is the main body structure cutaway of the utility model and shows the schematic diagram;

[0023] Figure 3 It is the three-dimensional view of drive mechanism of the utility model;

[0024] Figure 4 It is the three-dimensional view of clamping plate of the utility model;

[0025] Figure 5 It is the three-dimensional view of adjusting mechanism of the utility model;

[0026] Figure 6 It is the inside view of PCB plate body of the utility model.

[0027] In the figure: 1, operation platform; 2, clamping plate; 3, first buffer pad; 4, guide rod; 5, connecting frame; 6, guide hole; 7, lower pressing block; 8, mounting frame; 9, supporting block; 10, first bevel gear; 11, lead screw; 12, transmission block; 13, transmission groove; 14, motor; 15, second bevel gear; 16, adjusting frame; 17, pulling block; 18, pulling rod; 19, positioning rod; 20, positioning hole; 21, spring; 22, limiting block; 23, second buffer pad; 24, sliding block; 25, sliding groove; 26, PCB body; 27, insulating layer; 28, flame-retardant layer. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Please refer to Figure 1 Figure 6 The utility model provides a technical scheme: Embodiment one:

[0030] A kind of for PCB's tool, including operation platform 1, the top of operation platform 1 is provided with two clamping plates 2, the side of two clamping plates 2 close to each other is fixedly connected with first buffer pad 3, the top of clamping plate 2 is fixedly connected with two guide rods 4, the surface of guide rod 4 is slidably connected with connecting frame 5, the top of connecting frame 5 is equipped with with guide hole 6 cooperation with guide rod 4, the bottom of connecting frame 5 is fixedly connected with lower pressing block 7, the bottom of operation platform 1 is fixedly connected with mounting frame 8, the bottom of mounting frame 8 is provided with transmission mechanism;

[0031] Transmission mechanism includes the supporting block 9 of fixed installation in the bottom of operation platform 1, the two sides of supporting block 9 are rotatably connected with first bevel gear 10 by first bearing, the side of first bevel gear 10 is fixedly connected with lead screw 11, the surface of lead screw 11 is transmissionly connected with transmission block 12, the top of transmission block 12 penetrates to the top of operation platform 1, and is fixedly connected with the bottom of clamping plate 2, the top of operation platform 1 is equipped with with transmission groove 13 cooperation with transmission block 12, the bottom of mounting frame 8 is fixedly connected with motor 14, the output end of motor 14 penetrates to the inside of mounting frame 8, and is fixedly connected with second bevel gear 15 meshing with first bevel gear 10, one side of connecting frame 5 is provided with adjusting mechanism.

[0032] ​In this embodiment, the PCB fixture is generally clamped on both sides of the PCB body 26 to control the position of the PCB body 26. However, the PCB body 26 is fragile, and it is easy to be raised upward during clamping, which affects the stability of clamping. Therefore, the transmission mechanism is provided, which can drive the second bevel gear 15 to rotate by starting the motor 14, and the second bevel gear 15 rotates the first bevel gear 10 and the lead screw 11, which drives the transmission block 12 to move along the track of the sliding block 24 and the sliding groove 25 to the side close to the PCB body 26 until the first buffer pad 3 on one side of the clamping plate 2 contacts the PCB body 26. At the same time, the lower pressing block 7 is located at the top of the PCB body 26, which can effectively prevent the PCB body 26 from being raised, thereby improving the stability of clamping.

[0033] The problem of clamping the PCB body 26 on both sides to control the position of the PCB body 26 is solved. However, the PCB body 26 is fragile, and it is easy to be raised upward during clamping, which affects the stability of clamping.

[0034] One end of the lead screw 11 is rotatably connected to the limiting block 22 through the second bearing, and the top of the limiting block 22 is fixedly connected to the bottom of the operation table 1.

[0035] In this embodiment, the limiting block 22 is provided to support the lead screw 11 and limit the rotation of the lead screw 11 around the second bearing, thereby improving the smoothness during rotation.

[0036] The bottom of the lower pressing block 7 is fixedly connected with the second buffer pad 23, and the materials of the first buffer pad 3 and the second buffer pad 23 are rubber.

[0037] In this embodiment, the second buffer pad 23 is provided to avoid the contact between the lower pressing block 7 and the PCB body 26, and to play a buffering and protection role.

[0038] The sliding block 24 is fixedly connected to the both sides of the transmission block 12, and the sliding groove 25 is formed in the inner wall of the transmission groove 13.

[0039] In this embodiment, the sliding block 24 and the sliding groove 25 are provided to limit the movement of the transmission block 12 along the track of the sliding block 24 and the sliding groove 25 when the lead screw 11 drives the transmission block 12, and to improve the stability during sliding. Embodiment two:

[0040] On the basis of embodiment one, the transmission mechanism in this embodiment controls the clamping plate 2 to clamp the PCB body 26, and the lower pressing block 7 limits the PCB body 26 from being raised to improve the stability of clamping. However, considering that the thickness of the PCB body 26 is different, if the lower pressing block 7 cannot be just on the top of the PCB body 26, the pressing effect will be affected. Therefore, the adjusting mechanism in the application includes an adjusting frame 16 fixedly connected to one side of the connecting frame 5. One side of the adjusting frame 16 is provided with a pulling block 17. One side of the pulling block 17 is fixedly connected with a pulling rod 18. One end of the pulling rod 18 is fixedly connected with a positioning rod 19. One end of the positioning rod 19 penetrates into the inside of the guide hole 6. A plurality of positioning holes 20 are formed in one side of the guide rod 4 and cooperated with the positioning rod 19.

[0041] In this embodiment, considering that the thickness of the PCB body 26 is different, if the lower pressing block 7 cannot be just on the top of the PCB body 26, the pressing effect will be affected. Therefore, by setting the adjusting mechanism, the pulling block 17 can be moved to drive the pulling rod 18 and the positioning rod 19 to move, so that the positioning rod 19 is away from the inside of the positioning hole 20. Then, the position of the connecting frame 5 and the lower pressing block 7 is adjusted along the track of the guide rod 4 and the guide hole 6, so that the lower pressing block 7 is just on the top of the PCB body 26. Then, the pulling block 17 is loosened. The elastic force of the spring 21 pushes the positioning rod 19 into the corresponding positioning hole 20, so as to complete the adjustment of the position of the lower pressing block 7 and further improve the stability of clamping.

[0042] The problem that considering that the thickness of the PCB body 26 is different, if the lower pressing block 7 cannot be just on the top of the PCB body 26, the pressing effect will be affected is solved.

[0043] One side of the positioning rod 19 is fixedly connected with a spring 21. One end of the spring 21 is fixedly connected with the inner wall of the adjusting frame 16.

[0044] In this embodiment, by setting the spring 21, the pulling block 17 can be loosened. The elastic force of the spring 21 pushes the positioning rod 19 into the corresponding positioning hole 20, so as to play a resetting role.

[0045] A kind of PCB, including the jig for PCB, still include the PCB body 26 being set to operating platform 1 top, the top of PCB body 26 is provided with insulating layer 27, the top of insulating layer 27 is fixedly connected with fire-retardant layer 28.

[0046] In this embodiment, considering that the PCB body 26 may be ignited by spark during welding process, therefore, by setting the insulating layer 27 and the fire-retardant layer 28, the PCB body 26 can be effectively avoided to be ignited, and the fireproof effect is achieved.

[0047] The insulation layer 27 is made of PET polyester film, and the flame-retardant layer 28 is made of halogen-free flame-retardant TPE material.

[0048] In the embodiment, the insulation layer 27 is made of PET polyester film, and the flame-retardant layer 28 is made of halogen-free flame-retardant TPE material, so that the fireproofing effect can be effectively improved, and the PCB body 26 can be prevented from being damaged.

[0049] Working principle: the user drives the second bevel gear 15 to rotate by starting the motor 14, the second bevel gear 15 drives the first bevel gear 10 and the lead screw 11 to rotate, the lead screw 11 drives the transmission block 12 to move along the track of the sliding block 24 and the sliding groove 25 to the side close to the PCB body 26, until the first buffer pad 3 on one side of the clamping plate 2 is in contact with the PCB body 26, and the lower pressing block 7 is located on the top of the PCB body 26, so that the PCB body 26 can be effectively prevented from being warped, and the stability of clamping can be improved.

[0050] Meanwhile, the pulling block 17 can be moved to drive the pulling rod 18 and the positioning rod 19 to move, so that the positioning rod 19 is away from the inside of the positioning hole 20, then the position of the connecting frame 5 and the lower pressing block 7 is adjusted along the track of the guide rod 4 and the guide hole 6, so that the lower pressing block 7 is just located on the top of the PCB body 26, then the pulling block 17 is loosened, the elastic force of the spring 21 pushes the positioning rod 19 into the corresponding positioning hole 20, the position of the lower pressing block 7 is adjusted, and the stability of clamping is further improved.

[0051] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A jig for PCB board, characterized by: The utility model provides a PCB board's tool, including operation platform (1), the top of operation platform (1) is provided with two clamping plate (2), and the side of two clamping plate (2) is close to each other is fixedly connected with first buffer pad (3), the top of clamping plate (2) is fixedly connected with two guide rod (4), the surface of guide rod (4) is connected with the connecting frame (5) of sliding, the top of connecting frame (5) is equipped with the guide hole (6) of cooperation with guide rod (4) uses, the bottom of connecting frame (5) is fixedly connected with the down pressure block (7), the bottom of operation platform (1) is fixedly connected with mounting bracket (8), and the bottom of mounting bracket (8) is provided with transmission mechanism, The transmission mechanism includes a support block (9) fixedly installed at the bottom of the operation platform (1), first bevel gears (10) are rotatably connected to the two sides of the support block (9) through first bearings, a lead screw (11) is fixedly connected to one side of the first bevel gears (10), a transmission block (12) is transmissionally connected to the surface of the lead screw (11), the top of the transmission block (12) penetrates to the top of the operation platform (1) and is fixedly connected to the bottom of the clamping plate (2), a transmission groove (13) is formed in the top of the operation platform (1) and is used in cooperation with the transmission block (12), a motor (14) is fixedly connected to the bottom of the mounting bracket (8), the output end of the motor (14) penetrates to the inside of the mounting bracket (8) and is fixedly connected with a second bevel gear (15) engaged with the first bevel gears (10), and an adjusting mechanism is arranged on one side of the connecting frame (5).

2. The jig for PCB board according to claim 1, wherein: The adjusting mechanism includes an adjusting frame (16) fixedly connected to one side of the connecting frame (5), a pulling block (17) is arranged on one side of the adjusting frame (16), a pulling rod (18) is fixedly connected to one side of the pulling block (17), a positioning rod (19) is fixedly connected to one end of the pulling rod (18), one end of the positioning rod (19) penetrates to the inside of the guide hole (6), and a plurality of positioning holes (20) are formed in one side of the guide rod (4) and are used in cooperation with the positioning rod (19).

3. The jig for PCB board according to claim 2, wherein: One side of the positioning rod (19) is fixedly connected with a spring (21), and one end of the spring (21) is fixedly connected with the inner wall of the adjusting frame (16).

4. The jig for PCB board according to claim 1, wherein: One end of the lead screw (11) is rotatably connected with a limiting block (22) through a second bearing, and the top of the limiting block (22) is fixedly connected with the bottom of the operation platform (1).

5. The jig for PCB board according to claim 1, wherein: The bottom of the down pressure block (7) is fixedly connected with a second buffer pad (23), and the materials of the first buffer pad (3) and the second buffer pad (23) are rubber.

6. The jig for PCB board according to claim 1, wherein: The two sides of the transmission block (12) are fixedly connected with sliding blocks (24), and the inner wall of the transmission groove (13) is provided with sliding grooves (25) used in cooperation with the sliding blocks (24).

7. A PCB board characterized by: The utility model provides a PCB board's tool, including operation platform (1), the top of operation platform (1) is provided with two clamping plate (2), and the side of two clamping plate (2) is close to each other is fixedly connected with first buffer pad (3), the top of clamping plate (2) is fixedly connected with two guide rod (4), the surface of guide rod (4) is connected with the connecting frame (5) of sliding, the top of connecting frame (5) is equipped with the guide hole (6) of cooperation with guide rod (4) uses, the bottom of connecting frame (5) is fixedly connected with the down pressure block (7), the bottom of operation platform (1) is fixedly connected with mounting bracket (8), and the bottom of mounting bracket (8) is provided with transmission mechanism, The PCB board body (26) is provided on the top of the operation platform (1), the top of the PCB board body (26) is provided with an insulating layer (27), and the top of the insulating layer (27) is fixedly connected with a flame-retardant layer (28).

8. The PCB board of claim 7, wherein: The insulating layer (27) is made of PET polyester film, and the flame-retardant layer (28) is made of halogen-free flame-retardant TPE material.

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