Supporting jig for circuit board mounting process

Abstract

The utility model provides a supporting jig for a circuit board mounting process, and relates to the technical field of supporting jigs. The supporting jig for the circuit board mounting process comprises a supporting frame and a support, and the supporting frame rotates at the top of the support. According to the supporting jig for the circuit board mounting process, the positioning assembly and the pressing assembly are arranged in the supporting frame to be matched for use, and the positioning assembly and the pressing assembly are provided with the grooves with the cross sections of the right trapezoid structures, so that equipment can be attached to circuit boards of different thicknesses for use; in addition, the positioning assembly and the pressing assembly are arranged to be of a long-strip-shaped structure, so that the equipment can be used for the circuit boards with different lengths, the application range of the equipment is greatly widened, and the circuit boards are prevented from being separated from the equipment before the surface mounting process is carried out. And a corresponding supporting jig does not need to be manufactured in advance, so that the mounting efficiency is improved, and actual application is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to support jig technical field, concretely is a kind of support jig for circuit board mounting process. BACKGROUND

[0002] Circuit board mounting is a process flow in reflow soldering. A suitable amount and appropriate form of solder paste is applied on the solder pad of the circuit board in advance, and then SMT component is pasted to the corresponding position. Solder paste has certain viscosity, so that component is fixed. Then let the circuit board with mounted component enter reflow soldering equipment mainly applied to the welding of various surface mounted components.

[0003] When carrying out circuit board mounting process, generally, the bottom of circuit board is supported using jig, and then mounting process is conveniently carried out. The support jig used in traditional circuit board mounting process cannot stably support circuit boards of different thicknesses and different lengths, so that the application range of the support jig is limited in actual application process. Each circuit board needs to be pre-made corresponding support jig before mounting process, so as to seriously affect mounting efficiency and be not conducive to actual application.

[0004] Therefore, the technical personnel in the art provide a support jig for circuit board mounting process to solve the problems presented in the above background. INVENTION CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a support jig for circuit board mounting process, which solves the problem of limited application range of the traditional support jig mentioned in the above background technology, and cannot be applied to circuit boards of different thicknesses and different lengths.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a support jig for circuit board mounting process, comprising a support frame and a support, the support frame rotates on the top of the support, one end of the inside of the support frame is provided with a positioning assembly, the inside of the support frame is movably connected with a pressing assembly, the positioning assembly is used for positioning one end of the circuit board, and the pressing assembly is used for pressing and fixing the other end of the circuit board.

[0007] The positioning assembly and the pressing assembly are both provided as long strip structure, recesses are formed on the side close to each other of the positioning assembly and the pressing assembly, and the cross section of the recess is provided as right trapezoidal structure.

[0008] The inside of the support is provided with two angle adjusting assemblies, and the angle adjusting assemblies are used for adjusting the angle of the support frame.

[0009] By the above technical scheme, the positioning assembly and the pressing assembly are arranged in the interior of the support frame and are used in cooperation, and the recesses with the straight-angle trapezoidal structure in cross section are formed on the positioning assembly and the pressing assembly, so that the device can be used in combination with circuit boards of different thicknesses, the circuit boards are supported and fixed, and thus the circuit boards are prevented from being separated from the device. In addition, since the positioning assembly and the pressing assembly are both arranged in the long strip structure, the device can be used for circuit boards of different lengths, the use range of the device is greatly improved, the circuit boards do not need to be previously made with corresponding support jigs before the mounting process, and thus the mounting efficiency is improved, which is favorable for actual application.

[0010] Preferably, the positioning assembly comprises a buffer groove, a buffer block, a spring and a positioning block, the buffer groove is formed on one side of the inner wall of the support frame, the buffer block slides in the interior of the buffer groove, the spring is equidistantly arranged between one side of the buffer block and the inner wall of the buffer groove, and the positioning block is arranged on the side of the buffer block away from the spring.

[0011] The pressing assembly comprises two L-shaped grooves, a pressing block, two sliding blocks, two first screws and two fastening knobs, the two L-shaped grooves are respectively formed at the two ends of the support frame, the pressing block slides between the two L-shaped grooves, the two sliding blocks are respectively arranged at the two ends of the pressing block, the sliding blocks are both in sliding connection with the corresponding L-shaped grooves, the first screws are both fixed on the top of the sliding blocks, the top of the first screw extends to the top of the support frame, the fastening knobs are in threaded connection with the outside of the first screws and are located at the top of the support frame, and the recess is formed on the side of the positioning block close to the pressing block.

[0012] By the above technical scheme, the positioning assembly is used in cooperation with the pressing assembly, and the circuit boards can be better supported and fixed.

[0013] Preferably, the inner wall of the recess is provided with a rubber pad in combination therewith.

[0014] By the above technical scheme, the rubber pad can be used to protect the two ends of the circuit board placed in the recess, and damage of the circuit board is avoided.

[0015] Preferably, the angle adjusting assembly comprises a through groove, a fixed block and a second screw, the through groove is formed at the two ends of the top of the support frame, the fixed block is fixed at the two ends of the bottom of the support frame, the second screw is fixed on the outside of the fixed block, and the end of the second screw away from the fixed block penetrates through the corresponding through groove and is in threaded connection with a nut for fastening the position of the second screw.

[0016] By the above technical scheme, the position of the second screw in the through groove can be fastened by the nut, and the angle of the support frame is fixed.

[0017] Preferably, the through grooves are arranged in arc structures, and the centers of the arc structures are the same as the rotation shafts of the support frames.

[0018] By the above technical solution, the support frame can be better cooperated.

[0019] The utility model provides a support jig for circuit board mounting process has the beneficial effect below:

[0020] 1. The support jig for circuit board mounting process is used in cooperation with the positioning assembly and the pressing assembly in the inside of the support frame, and the recess with the straight trapezoidal structure in the cross section is arranged on the positioning assembly and the pressing assembly, so that the equipment can be used for circuit boards with different thicknesses, and the circuit board is supported and fixed, so that the circuit board is prevented from separating from the equipment, and the equipment can be used for circuit boards with different lengths due to the long strip structure of the positioning assembly and the pressing assembly, the use range of the equipment is greatly improved, the circuit board does not need to be pre-made with the corresponding support jig before mounting process, and the mounting efficiency is improved, which is beneficial to practical application.

[0021] 2. The support jig for circuit board mounting process is provided with the angle adjusting assembly at the bottom of the support frame, so that the equipment can be placed horizontally and applied to machine paper mounting process, and the angle of the support frame and the circuit board can be adjusted, so that manual mounting can also be better used for the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole structure schematic view of the utility model;

[0023] Figure 2 It is a first perspective split structure schematic view of the utility model;

[0024] Figure 3 It is a second perspective split structure schematic view of the utility model;

[0025] Figure 4 It is an internal structure section view of the utility model.

[0026] In the drawing: 1, support frame; 2, support; 3, buffer groove; 4, L-shaped groove; 5, buffer block; 6, spring; 7, positioning block; 8, pressing block; 9, sliding block; 10, first screw rod; 11, fastening knob; 12, recess; 13, through groove; 14, fixed block; 15, second screw rod. DETAILED DESCRIPTION

[0027] The utility model is further described in detail below by means of the drawings and embodiments.

[0028] Refer to Figure 1 ,Figure 2 、 Figure 3 and Figure 4 The utility model discloses a support jig for circuit board mounting process, including support frame 1 and support 2, support frame 1 rotates at the top of support 2, so that the angle of support frame 1 is adjustable. One end inside support frame 1 is provided with positioning assembly, the inside movable joint of support frame 1 has pressure assembly, positioning assembly is used for positioning one end of circuit board, and pressure assembly is used for the pressure fixed of the other end of circuit board. Positioning assembly and pressure assembly are all set up as long strip structure, so that equipment can use to different length's circuit board. The side of positioning assembly and pressure assembly close is all set up with recess 12, and the cross section of recess 12 is all set up as right trapezoidal structure, so that equipment can use to different thickness's circuit board, and support fixed circuit board, thereby avoiding circuit board to separate from equipment. The inner wall of recess 12 is all provided with the rubber pad that sticks together, and the both ends of circuit board placed in recess 12 can be protected by rubber pad, to avoid damage.

[0029] Referring to Figure 2 、 Figure 3 and Figure 4 In one aspect of the embodiment, the positioning assembly includes a buffer groove 3, a buffer block 5, a spring 6, and a positioning block 7. The buffer groove 3 is formed on one side of the inner wall of the support frame 1. The buffer block 5 slides inside the buffer groove 3. The spring 6 is installed equidistantly between one side of the buffer block 5 and the inner wall of the buffer groove 3. The elastic force of the spring 6 ensures that there is a certain buffer when the device clamps the circuit board.

[0030] The pressure assembly includes two L-shaped grooves 4, a pressure block 8, two sliding blocks 9, two first screws 10, and two fastening knobs 11. The two L-shaped grooves 4 are formed at the two ends of the support frame 1, respectively. The pressure block 8 slides between the two L-shaped grooves 4. The two sliding blocks 9 are installed at the two ends of the pressure block 8, respectively. The sliding blocks 9 are slidingly connected with the corresponding L-shaped grooves 4. The action of the two sliding blocks 9 allows the pressure block 8 to slide stably inside the support frame 1. The first screws 10 are fixed at the top of the sliding blocks 9, and the top of the first screws 10 extends to the top of the support frame 1. The fastening knobs 11 are threadedly connected to the outside of the first screws 10 and located at the top of the support frame 1. The action of the fastening knobs 11 allows the bottom to be pressed against the top of the support frame 1, thereby fixing the position of the pressure block 8. The recess 12 is formed on the side close to the positioning block 7 and the pressure block 8, facilitating the limiting of the two ends of the circuit board.

[0031] Referring to Figure 2 and Figure 3In one aspect of the embodiment, the inside of the support 2 is provided with two angle adjustment assemblies for adjusting the angle of the support frame 1, so that the device can not only be placed horizontally for machine sticker process, but also the angle of the support frame 1 and the circuit board can be adjusted, so that the manual installation can also better use the device. The angle adjustment assembly comprises a through slot 13, a fixed block 14 and a second screw 15. The through slot 13 is opened at both ends of the top of the support 2. The through slot 13 is provided in an arc shape, and the center of the arc is the same as the rotation shaft of the support frame 1, which facilitates better cooperation with the rotation of the support frame 1. The fixed block 14 is fixed at both ends of the bottom of the support frame 1, and the second screw 15 is fixed outside the fixed block 14. The end of the second screw 15 away from the fixed block 14 penetrates the corresponding through slot 13 and is threadedly connected with a nut for fastening the position of the second screw 15. By using the nut, the position of the second screw 15 in the through slot 13 can be fastened, thereby achieving the purpose of fixing the angle of the support frame 1.

[0032] Working principle:

[0033] In use, first, the device is stably placed on the designated position by the support 2, then one end of the circuit board to be subjected to the sticker process is placed in the groove 12 on one side of the positioning block 7, then the tightening knob 11 is loosened, the transverse position of the pressing block 8 is adjusted, so that the other end of the circuit board is placed in the groove 12 on one side of the pressing block 8. Since the cross section of the groove 12 is provided in a right trapezoidal structure, the circuit board of different thicknesses can be clamped and installed between the positioning block 7 and the pressing block 8. After adjusting the position of the pressing block 8, the tightening knob 11 is tightened to fix the position of the pressing block 8, and then the sticker process of the circuit board can be performed.

[0034] When manual sticker process is required, the nut at one end of the second screw 15 can be loosened, and then the support frame 1 is rotated so that the second screw 15 can rotate in the through slot 13. After adjusting the angle for convenient operation, the nut at one end of the second screw 15 is tightened to fix the angle position of the second screw 15 and the support frame 1, and then the sticker process operation can be performed.

[0035] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A support fixture for circuit board mounting process, comprising a support frame (1) and a bracket (2), wherein the support frame (1) rotates on top of the bracket (2), characterized in that, A positioning component is provided at one end of the support frame (1), and a clamping component is movably connected inside the support frame (1). The positioning component is used to position one end of the circuit board, and the clamping component is used to clamp and fix the other end of the circuit board. Both the positioning component and the pressing component are configured as long strip structures. The positioning component and the pressing component are provided with grooves (12) on the side that are close to each other. The cross-section of the grooves (12) is configured as right-angled trapezoidal structures. The bracket (2) is provided with two angle adjustment components inside, which are used to adjust the angle of the support frame (1).

2. The support fixture for circuit board mounting process according to claim 1, characterized in that: The positioning component includes a buffer groove (3), a buffer block (5), a spring (6), and a positioning block (7). The buffer groove (3) is opened on one side of the inner wall of the support frame (1). The buffer block (5) slides inside the buffer groove (3). The spring (6) is equidistantly installed between one side of the buffer block (5) and the inner wall of the buffer groove (3). The positioning block (7) is installed on the side of the buffer block (5) away from the spring (6).

3. The support fixture for circuit board mounting process according to claim 2, characterized in that: The clamping assembly includes two L-shaped grooves (4), a clamping block (8), two sliders (9), two first screws (10), and two fastening knobs (11). The two L-shaped grooves (4) are respectively opened at both ends of the support frame (1). The clamping block (8) slides between the two L-shaped grooves (4). The two sliders (9) are respectively installed at both ends of the clamping block (8). The sliders (9) are slidably connected to the corresponding L-shaped grooves (4). The first screws (10) are all fixed on the top of the sliders (9). The top of the first screws (10) extends to the top of the support frame (1). The fastening knobs (11) are threaded to the outside of the first screws (10) and located on the top of the support frame (1). The groove (12) is opened on the side of the positioning block (7) that is close to the clamping block (8).

4. The support fixture for circuit board mounting process according to claim 1, characterized in that: The inner wall of each groove (12) is provided with a rubber pad that fits therein.

5. The support fixture for circuit board mounting process according to claim 1, characterized in that: The angle adjustment assembly includes a through slot (13), a fixing block (14), and a second screw (15). The through slot (13) is opened on both ends of the top of the bracket (2). The fixing block (14) is fixed on both ends of the bottom of the support frame (1). The second screw (15) is fixed on the outside of the fixing block (14). The end of the second screw (15) away from the fixing block (14) passes through the corresponding through slot (13) and is threaded with a nut for fastening the position of the second screw (15).

6. The support fixture for circuit board mounting process according to claim 5, characterized in that: The through slots (13) are all set as arc-shaped structures, and their centers are the same as the rotation axis of the support frame (1).

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