Pressing and fixing tool for circuit board

Abstract

The utility model relates to the technical field of circuit board processing, in particular to a circuit board pressing and fixing tool which comprises a base, a sliding rail, a driving mechanism and an auxiliary assembly, the sliding rail is in bolted connection with the upper surface of the base, the driving mechanism is installed on the side surface of the base, the driving end of the driving mechanism is located on the inner wall of the base, a clamping mechanism is arranged on the upper surface of the sliding rail, and the auxiliary assembly is arranged on the sliding rail. The clamping mechanism is fixedly connected with the driving end of the driving mechanism, the auxiliary assembly is arranged on the surface of the sliding rail and comprises a supporting frame, the supporting frame is slidably connected with the surface of the sliding rail, and a transverse plate is fixedly connected to the upper surface of the supporting frame. According to the utility model, through the arrangement of the auxiliary assembly and the limiting assembly, the supporting structure of the tool for the circuit board is increased, so that the problem that the load of the clamping part of the circuit board is relatively high during processing due to the fact that the tool only supports the circuit board at the clamping end is reduced, and the practicability of the tool in the processing process is further improved.

Description

Technical Field

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

[0002] A circuit board is a product used for integrated circuits. It usually prints the circuit evenly on a special plate. During the processing of the circuit board, it is often necessary to use fixed tooling to clamp and restrict the circuit board to ensure the stability of the circuit board during subsequent processing.

[0003] Prior art, such as the utility model with publication number CN213244522U, discloses a clamping and fixing device for a circuit board. The patent adopts a processing table body, and the two ends of the processing table body are respectively fixedly mounted with a first side plate and a second side plate, and one side of the first side plate is fixedly mounted with an adjustment mechanism, and the adjustment mechanism includes a motor, and the motor is fixedly mounted on the first side plate, and the output end of the motor passes through the first side plate and is provided with a stud at its end; under the drive of the motor, the utility model, in combination with the use of studs and moving blocks, realizes the convenient and rapid adjustment of the spacing between the two sets of U-shaped fixing frames, thereby providing convenience for the clamping and fixing of circuit boards of different lengths, thereby improving the practicality of the clamping and fixing device, and the utility model realizes the mechanized fixing of circuit boards of different widths through the coordinated use of U-shaped fixing frames, electric telescopic rods and rubber clamping plates, thereby improving the stability of the circuit boards during clamping and fixing, thereby ensuring the processing technology of the circuit boards, so as to solve the problem that the existing circuit boards are mostly pressed by the staff during processing, and the circuit boards are offset during processing due to the poor stability of manual pressing.

[0004] The inventors have discovered in their daily work that in the process of clamping circuit boards with the help of fixed tooling, there is a problem that the existing fixed tooling, such as the above-mentioned fixed tooling, only relies on the clamping mechanisms on both sides for clamping and support when clamping the circuit board. During actual processing, the pressure on the circuit board is all at the contact point with the clamping mechanism, resulting in a high load on the contact point, which makes it easy for workers to damage the circuit board during processing operations and leads to increased production costs. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that the pressure on the circuit board is all at the contact part with the clamping mechanism, resulting in a high load on the contact part, making it easy for workers to damage the circuit board during processing operations and leading to increased production costs, and proposes a clamping and fixing tool for the circuit board.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a clamping and fixing tool for a circuit board, comprising a base, a slide rail, a driving mechanism and an auxiliary component, the slide rail is bolted to the upper surface of the base, the side surface of the base is installed with a driving mechanism, the driving end of the driving mechanism is located on the inner wall of the base, the upper surface of the slide rail is provided with a clamping mechanism, the clamping mechanism is fixedly connected to the driving end of the driving mechanism, the auxiliary component is arranged on the surface of the slide rail, the auxiliary component comprises a support frame, the support frame is slidably connected to the surface of the slide rail, the upper surface of the support frame is fixedly connected with a cross plate, the upper surface of the cross plate is provided with a socket, the inner wall of the cross plate located at the socket is inserted with a connecting pin, and the upper surface of the connecting pin is fixedly connected with a rubber pad.

[0007] Preferably, a force-carrying frame is fixedly connected to the lower surface of the transverse plate, an assembly cavity is opened on the lower surface of the force-carrying frame, the force-carrying frame is rotatably connected to the inner wall of the assembly cavity, a pulley is fixedly connected to the surface of the rotating shaft, and a force-carrying frame is provided. Through the cooperation of the force-carrying frame and the pulley, an auxiliary support frame can support the transverse plate to improve the structural strength of the transverse plate.

[0008] Preferably, there are two support frames, which are symmetrically arranged front and back about the base, and the rubber pad is in contact with the upper surface of the horizontal plate. The rubber pad is provided to contact the circuit board, thereby reducing the problem of damaging the circuit board when hard materials contact the circuit board.

[0009] Preferably, the number of the pulleys is three, and the three pulleys are horizontally equidistantly arranged with respect to the force carrier, the pulleys are located on the inner wall of the assembly cavity, and the pulleys are in contact with the upper surface of the base. The pulleys are arranged, and through the cooperation between the pulleys and the rotating shafts, the force carrier can be guided when the force carrier moves to reduce the friction between the force carrier and the base bracket.

[0010] Preferably, a limiting component is provided on the side surface of the support frame, and the limiting component includes an L-shaped frame, the L-shaped frame is fixedly connected to the side surface of the support frame, the side surface of the L-shaped frame is fixedly connected with a threaded sleeve, the inner wall of the threaded sleeve is threadedly connected with a screw, a damping clamp is provided on the side of the screw close to the support frame, the side surface of the damping clamp is fixedly connected with a guide rod, the side surface of the guide rod is fixedly connected with a connecting frame, the side surface of the screw is fixedly connected with a handle, and the L-shaped frame is provided, and the position of the screw can be supported and limited through the cooperation of the L-shaped frame and the threaded sleeve.

[0011] Preferably, the screw is plugged into the inner wall of the support frame, the screw passes through the side surface of the L-shaped frame, the damping clamp is abutted against the side surface of the slide rail, and the screw is arranged. Through the cooperation of the screw and the threaded sleeve, the position of the damping clamp can be limited to achieve the clamping effect of the damping clamp.

[0012] Preferably, the guide rod is slidably connected to the inner wall of the L-shaped frame, the connecting frame is socketed with the surface of the threaded sleeve, and the connecting frame is in contact with the side surface of the L-shaped frame. A guide rod is provided, and the moving direction of the damping clamp can be guided by the guide rod to ensure the stability of the damping clamp during the movement.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] In the utility model, by setting the auxiliary components and limiting components, when processing, the circuit board is placed in the clamping mechanism, the switch of the clamping mechanism is turned on, the clamping mechanism is powered on and clamps the circuit board inside itself, and after the circuit board is clamped, the circuit board can be processed; before placing the circuit board, the auxiliary components on both sides are pushed according to the specifications of the cable board, and when the auxiliary components are moved to the position adapted to the placement of the circuit board, the handle is rotated clockwise, and the handle is forced to drive the screw rod, and the screw rod is forced to engage with the threaded sleeve, and in the process of engagement, the damping clamp plate is pushed, and the damping clamp plate is forced and displaced under the guidance of the guide rod, and when the screw rod is tightened, the damping clamp plate abuts against the surface of the slide rail, and under the limitation of the screw rod, cooperates with the L-shaped frame to limit the position of the support frame, and then the auxiliary components are completed. The adjustment operation of the parts is performed, and then during processing, the middle section of the circuit board is pressed against the rubber pad. When the operator operates and the circuit board is subjected to force, the circuit board applies part of the force to the rubber pad, and the rubber pad guides the force received to the cross plate. The cross plate disperses the force to the support frame and the load-bearing frame. The support frame applies the force received to the slide rail, and at the same time, the load-bearing frame, with the cooperation of the rotating shaft and the pulley, applies the force received to the base. Then, under the action of the auxiliary components, the support of the tooling circuit board can be increased. By setting the auxiliary components and the limiting components, the support structure of the tooling for the circuit board is increased, thereby reducing the problem that the support of the tooling for the circuit board is only located at the clamping end, resulting in a higher load on the clamping part of the circuit board during processing, and further improving the practicability of the tooling in the processing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a clamping and fixing tool for a circuit board;

[0016] Figure 2 The utility model provides a rear view structural schematic diagram of a clamping and fixing tool for a circuit board;

[0017] Figure 3 A partial structural schematic diagram of a clamping and fixing tool for a circuit board is proposed for the utility model;

[0018] Figure 4 The utility model proposes a circuit board pressing and fixing tool Figure 3 Schematic diagram of the structure at point A in the middle.

[0019] Legend:

[0020] 1. Base; 2. Slide rail; 3. Driving mechanism; 4. Clamping mechanism; 5. Auxiliary components; 51. Support frame; 52. Cross plate; 53. Connecting pin; 54. Rubber pad; 55. Load frame; 56. Rotating shaft; 57. Pulley; 6. Limiting component; 61. L-shaped frame; 62. Threaded sleeve; 63. Screw; 64. Damping splint; 65. Guide rod; 66. Connecting frame; 67. Handle. DETAILED DESCRIPTION

[0021] See also Figure 1-4 The utility model provides a technical solution: a clamping and fixing tool for a circuit board, comprising a base 1, a slide rail 2, a driving mechanism 3 and an auxiliary component 5, the slide rail 2 is bolted to the upper surface of the base 1, the driving mechanism 3 is installed on the side surface of the base 1, the driving end of the driving mechanism 3 is located on the inner wall of the base 1, the upper surface of the slide rail 2 is provided with a clamping mechanism 4, the clamping mechanism 4 is fixedly connected to the driving end of the driving mechanism 3, the auxiliary component 5 is arranged on the surface of the slide rail 2, and the side surface of the support frame 51 is provided with a limiting component 6.

[0022] The specific settings and functions of the auxiliary component 5 and the limiting component 6 are described in detail below.

[0023] In this embodiment: the auxiliary component 5 includes a support frame 51, which is slidably connected to the surface of the slide rail 2, and a cross plate 52 is fixedly connected to the upper surface of the support frame 51. A plug hole is opened on the upper surface of the cross plate 52, and a connecting pin 53 is inserted into the inner wall of the plug hole of the cross plate 52, and a rubber pad 54 is fixedly connected to the upper surface of the connecting pin 53.

[0024] Specifically, a load-bearing frame 55 is fixedly connected to the lower surface of the transverse plate 52, and an assembly cavity is opened on the lower surface of the load-bearing frame 55. The load-bearing frame 55 is located on the inner wall of the assembly cavity and is rotatably connected to a rotating shaft 56. A pulley 57 is fixedly connected to the surface of the rotating shaft 56. The load-bearing frame 55 is provided, and through the cooperation between the load-bearing frame 55 and the pulley 57, the support frame 51 can be assisted in supporting the transverse plate 52 to improve the structural strength of the transverse plate 52.

[0025] Specifically, there are two support frames 51 , which are symmetrically arranged front and back about the base 1 , and the rubber pad 54 abuts against the upper surface of the horizontal plate 52 .

[0026] In this embodiment, a rubber pad 54 is provided. By using the rubber pad 54 to contact the circuit board, the problem of damaging the circuit board when hard materials contact the circuit board can be reduced.

[0027] Specifically, there are three pulleys 57, which are horizontally equidistantly arranged about the force-carrying frame 55. The pulleys 57 are located on the inner wall of the assembly cavity, and the pulleys 57 are in contact with the upper surface of the base 1. The pulleys 57 are arranged, and through the cooperation between the pulleys 57 and the rotating shaft 56, the force-carrying frame 55 can be guided when the force-carrying frame 55 moves, so as to reduce the friction between the force-carrying frame 55 and the bracket of the base 1.

[0028] In this embodiment: the limiting component 6 includes an L-shaped frame 61, the L-shaped frame 61 is fixedly connected to the side surface of the support frame 51, the side surface of the L-shaped frame 61 is fixedly connected with a threaded sleeve 62, the inner wall of the threaded sleeve 62 is threadedly connected with a screw 63, a damping clamp plate 64 is provided on the side of the screw 63 close to the support frame 51, the side surface of the damping clamp plate 64 is fixedly connected with a guide rod 65, the side surface of the guide rod 65 is fixedly connected with a connecting frame 66, and the side surface of the screw 63 is fixedly connected with a handle 67.

[0029] In this embodiment, an L-shaped frame 61 is provided, and the position of the screw rod 63 can be supported and restricted by the cooperation between the L-shaped frame 61 and the threaded sleeve 62 .

[0030] Specifically, the screw 63 is plugged into the inner wall of the support frame 51, the screw 63 passes through the side surface of the L-shaped frame 61, the damping clamp 64 abuts against the side surface of the slide rail 2, and the screw 63 is set. Through the cooperation of the screw 63 and the threaded sleeve 62, the position of the damping clamp 64 can be limited to achieve the clamping effect of the damping clamp 64.

[0031] Specifically, the guide rod 65 is slidably connected to the inner wall of the L-shaped frame 61 , the connecting frame 66 is sleeved with the surface of the threaded sleeve 62 , and the connecting frame 66 is in contact with the side surface of the L-shaped frame 61 .

[0032] In this embodiment, a guide rod 65 is provided, through which the moving direction of the damping clamp plate 64 can be guided to ensure the stability of the damping clamp plate 64 during the movement.

[0033] Working principle: before placing the circuit board, push the auxiliary components 5 on both sides according to the specifications of the cable board. When the auxiliary components 5 move to the position suitable for placing the circuit board, rotate the handle 67 clockwise. The handle 67 is forced to drive the screw 63. The screw 63 is forced to engage with the threaded sleeve 62 and push the damping clamp 64 during the engagement process. The damping clamp 64 is forced and displaced under the guidance of the guide rod 65. When the screw 63 is tightened, the damping clamp 64 contacts the surface of the slide rail 2 and, under the restriction of the screw 63, cooperates with the L-shaped frame 61 to limit the position of the support frame 51. Then the adjustment operation of the auxiliary component 5 is completed. When processing, the middle section of the circuit board is pressed against the rubber pad 54. When the operator operates, the circuit board is When force is applied, the circuit board applies part of the force to the rubber pad 54, and the rubber pad 54 guides the force to the cross plate 52, and the cross plate 52 disperses the force to the support frame 51 and the load-bearing frame 55. The support frame 51 applies the force to the slide rail 2, and the load-bearing frame 55 applies the force to the base 1 with the cooperation of the rotating shaft 56 and the pulley 57. Then, under the action of the auxiliary component 5, the support of the circuit board of the tooling can be increased. By setting the auxiliary component 5 and the limiting component 6, the supporting structure of the tooling for the circuit board is increased, thereby reducing the problem that the support of the circuit board by the tooling is only located at the clamping end, resulting in a higher load on the clamping part of the circuit board during processing, and further improving the practicability of the tooling in the processing process.

Claims

1. A clamping and fixing device for a circuit board, comprising a base (1), a slide rail (2), a driving mechanism (3) and an auxiliary component (5), Features: The slide rail (2) is bolted to the upper surface of the base (1); a driving mechanism (3) is installed on the side surface of the base (1); a driving end of the driving mechanism (3) is located on the inner wall of the base (1); a clamping mechanism (4) is arranged on the upper surface of the slide rail (2); the clamping mechanism (4) is fixedly connected to the driving end of the driving mechanism (3); the auxiliary component (5) is arranged on the surface of the slide rail (2); the auxiliary component (5) comprises a support frame (51); the support frame (51) is slidably connected to the surface of the slide rail (2); a transverse plate (52) is fixedly connected to the upper surface of the support frame (51); a plug hole is provided on the upper surface of the transverse plate (52); a connecting pin (53) is inserted into the inner wall of the plug hole of the transverse plate (52); and a rubber pad (54) is fixedly connected to the upper surface of the connecting pin (53).

2. A circuit board pressing and fixing tool according to claim 1, Features: The lower surface of the transverse plate (52) is fixedly connected with a load-bearing frame (55), the lower surface of the load-bearing frame (55) is provided with an assembly cavity, the load-bearing frame (55) is rotatably connected with a rotating shaft (56) located on the inner wall of the assembly cavity, and the surface of the rotating shaft (56) is fixedly connected with a pulley (57).

3. A circuit board pressing and fixing tool according to claim 1, Features: There are two support frames (51), and the two support frames (51) are symmetrically arranged front and back with respect to the base (1). The rubber pad (54) abuts against the upper surface of the transverse plate (52).

4. A circuit board pressing and fixing tool according to claim 2, Features: The number of the pulleys (57) is three, and the three pulleys (57) are arranged horizontally and equidistantly with respect to the load-bearing frame (55). The pulleys (57) are located on the inner wall of the assembly cavity, and the pulleys (57) are in contact with the upper surface of the base (1).

5. A circuit board pressing and fixing tool according to claim 1, Features: The side surface of the support frame (51) is provided with a limiting component (6), and the limiting component (6) comprises an L-shaped frame (61), the L-shaped frame (61) is fixedly connected to the side surface of the support frame (51), the side surface of the L-shaped frame (61) is fixedly connected with a threaded sleeve (62), the inner wall of the threaded sleeve (62) is threadedly connected with a screw rod (63), a damping clamp plate (64) is provided on a side of the screw rod (63) close to the support frame (51), the side surface of the damping clamp plate (64) is fixedly connected with a guide rod (65), the side surface of the guide rod (65) is fixedly connected with a connection frame (66), and the side surface of the screw rod (63) is fixedly connected with a handle (67).

6. A circuit board pressing and fixing tool according to claim 5, Features: The screw rod (63) is plugged into the inner wall of the support frame (51), the screw rod (63) passes through the side surface of the L-shaped frame (61), and the damping clamp plate (64) abuts against the side surface of the slide rail (2).

7. A circuit board pressing and fixing tool according to claim 5, Features: The guide rod (65) is slidably connected to the inner wall of the L-shaped frame (61), the connection frame (66) is sleeved with the surface of the threaded sleeve (62), and the connection frame (66) is in contact with the side surface of the L-shaped frame (61).

Images