Wave-soldering carrier for PCB (Printed Circuit Board)

Abstract

The utility model discloses a PCB wave-soldering carrier which comprises a carrier plate and a support, a plurality of grooves are formed in the carrier plate side by side, a plurality of receding grooves and guide columns used for positioning the position of a PCB are arranged in the grooves, a first through groove and a plurality of pressing mechanisms are arranged on the support, the pressing mechanisms can move along the first through groove, and the first through groove and the second through groove are communicated with each other. The pressing mechanism comprises an adjusting rod, a swing rod and a pressing assembly which is arranged on the swing rod and used for pressing or loosening the PCB, the swing rod is rotationally connected with the adjusting rod, a second through groove used for adjusting the position of the pressing assembly is formed in the adjusting rod, the first through groove and the second through groove are connected through a fastener, and the first through groove and the second through groove are connected through the fastener. The position of the pressing assembly on the PCB can be fixed or adjusted by adjusting the tightness of the fastener, any position of the PCB can be pressed according to needs, and deformation and shaking of the PCB can be effectively reduced by matching with the guide column, so that the welding quality and the product stability can be improved, a plurality of PCBs can be welded at the same time, the production efficiency is improved, and the cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of wave soldering carriers, and in particular to a wave soldering carrier for PCB boards. Background Art

[0002] Wave soldering is to make the soldering surface of a PCB board pre-installed with components directly contact with high-temperature liquid tin to achieve the purpose of soldering, so as to realize the soldering between the soldering end or pin of the component and the PCB board; the existing PCB wave soldering carrier fixes the edge of the PCB board by setting buckles on the carrier, but cannot fix the middle of the PCB board, and has low flexibility. For some larger PCB boards, when they are passed through the furnace, the carrier will vibrate when conveying, thereby causing the components to vibrate. When the PCB board contacts with the high-temperature liquid tin, it will shift and deform, which will lead to the risk of desoldering or loose welding, directly affecting the welding quality of the product. Utility Model Content

[0003] The present application provides a PCB wave soldering carrier to solve the above-mentioned problem that the high temperature of liquid tin during the furnace causes the PCB to deform, and the PCB jitter affects the welding quality, and adopts the following technical solutions:

[0004] A PCB wave soldering carrier comprises a carrier and a bracket, wherein the carrier is provided with a plurality of grooves arranged in parallel, wherein the grooves are provided with a plurality of clearance grooves and guide posts for locating the position of the PCB board, wherein the bracket is provided with a through slot 1 and a plurality of clamping mechanisms, wherein the clamping mechanisms can move along the through slot 1, wherein the clamping mechanisms comprise an adjusting rod and a swing rod, and a clamping assembly arranged on the swing rod for clamping or loosening the PCB board, wherein the swing rod is rotatably connected to the adjusting rod, wherein the adjusting rod is provided with a through slot 2 for adjusting the position of the clamping assembly, wherein a fastener is provided between the through slot 1 and the through slot 2, and the position of the clamping assembly on the PCB board can be fixed or adjusted by adjusting the tightness of the fastener.

[0005] Preferably, the rocker arm is provided with a through hole for placing the clamping assembly, the clamping assembly includes a pressure rod, and an elastic member arranged between the pressure rod and the rocker arm, the pressure rod is arranged in the through hole, the pressure rod is provided with a protrusion, the side wall of the through hole is provided with a sliding groove for the protrusion to slide, and the bottom of the through hole is provided with an annular groove connecting the sliding groove.

[0006] Further preferably, the clamping assembly further comprises a pressing block and a second elastic member, the pressing block is slidably disposed in the pressing rod, and the second elastic member is disposed between the pressing rod and the pressing block.

[0007] Preferably, it also includes buckles, which are arranged on both sides of the grooves to press the outer edge of the PCB board, and the bracket is arranged between adjacent grooves.

[0008] Preferably, the fastener comprises a fastening bolt and a ring nut.

[0009] Further preferably, the pressing block is made of a high temperature resistant material, and the bottom of the pressing block is provided with anti-slip grooves.

[0010] The beneficial effects of this application are:

[0011] (1) A through slot 1 is provided on the bracket, and the clamping mechanism can adjust its position on the bracket through the through slot, so that it is easy to move to the position where clamping is required to clamp and fix the PCB board. A through slot 2 is provided on the swing arm 1, and the position of the clamping assembly on the PCB board can be adjusted through the through slot 2. The adjustment is free to clamp any position on the PCB board, thereby reducing the deformation and jitter of the PCB board. The PCB board is positioned by arranging a guide column in the groove, and the clamping assembly can prevent the PCB board from shifting in the groove, thereby improving the welding quality and product stability, and improving the yield rate.

[0012] (2) The clamping assembly includes a clamping rod, an elastic member 1, a clamping block and an elastic member 2. The clamping rod is operated to drive the clamping block to move so as to clamp the PCB board, thereby avoiding the risk of burns when releasing the PCB board after welding. The elastic member 2 can provide a buffering force to prevent damage to the PCB board. At the same time, it can effectively reduce the vibration of the PCB board during welding on the conveyor carrier, thereby further improving the welding quality.

[0013] (3) There are several grooves on the carrier board, which can be used to solder multiple PCB boards at the same time, thus improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a top view of the present application;

[0015] Figure 2 This application Figure 1 Cross-sectional view of the clamping mechanism at AA in the middle.

[0016] In the figure:

[0017] 10. carrier plate, 20. bracket, 30. give way groove, 40. guide column, 50. adjustment rod, 60. rocker arm, 70. fastener, 80. clamping assembly, 81. pressure rod, 82. elastic member 1, 83. pressure block, 830. anti-slip pattern, 84. elastic member 2, 100. groove, 210. through groove 1, 510. through groove 2, 610. sliding groove, 620. annular groove, 810. protrusion. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described in the present application are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0019] See also Figure 1 to Figure 2 , the present application is further described, a PCB wave soldering carrier comprises a carrier 10 and a bracket 20, the carrier 10 is provided with a plurality of grooves 100 in parallel, the grooves 100 are provided with a plurality of give way grooves 30 and guide pillars 40 for positioning the position of the PCB board, the bracket 20 is provided with a through slot 1 210 and a plurality of clamping mechanisms, the clamping mechanisms can move along the through slot 1 210, the clamping mechanisms comprise an adjusting rod 50 and a swing rod 60, and a clamping assembly 80 arranged on the swing rod 60 for clamping or loosening the PCB board, the swing rod 60 is rotatably connected to the adjusting rod 50, the adjusting rod 50 is provided with a through slot 2 510 for adjusting the position of the clamping assembly 80, a fastener 70 is provided between the through slot 1 210 and the through slot 2 510, the tightness of the fastener 70 can be adjusted to fix or adjust the position of the clamping assembly 80 on the PCB board, a plurality of the grooves 100 can be used to solder a plurality of PCB boards at the same time, which can improve production efficiency and reduce costs.

[0020] Combination Figure 1 and Figure 2 When fixing the PCB board, the clamping position of the clamping assembly 80 above the PCB board can be adjusted through the through slot 1 210 and the through slot 2 510. The clamping assembly 80 can be adjusted by adjusting the tightness of the fastener 70. In this embodiment, the fastener 70 is a bolt and a ring nut, which is easy to adjust and convenient to install and disassemble.

[0021] The number of the clamping mechanism, the bracket 20 and the groove 100 can be increased or decreased according to actual needs during use, and is not limited here.

[0022] Combination Figure 2The swing rod 60 is provided with a through hole for connecting the clamping assembly 80, the clamping assembly 80 includes a pressure rod 81, and an elastic member 82 arranged between the pressure rod 81 and the swing rod 60, the pressure rod 81 is arranged in the through hole, the pressure rod 81 is provided with a protrusion 810, the side wall of the through hole is provided with a sliding groove 610 for the protrusion 810 to slide, the bottom of the through hole is provided with an annular groove 620 connected to the sliding groove 610, and the annular groove 620 is used to limit the movement of the protrusion 810; when the clamping assembly 80 is in the state of releasing the PCB board, the protrusion 810 is located in the sliding groove 610, and in the clamping state, the protrusion 810 is clamped in the annular groove 620. In this embodiment, the elastic member 82 is a spring.

[0023] When the PCB board needs to be compressed, the elastic member 82 is compressed by pressing the pressure rod 81, so that the protrusion 810 moves along the sliding groove 610 to the annular groove 620, and the pressure rod 81 is rotated to make the protrusion 810 engage in the annular groove 620 to compress the PCB board; when the PCB board needs to be loosened, the pressure rod 81 is rotated to make the protrusion 810 rotate to the sliding groove 610, and the elastic member 82 pushes the pressure rod 81 to move up along the sliding groove 610 to loosen the PCB board.

[0024] In the prior art, the PCB board is compressed by a pressing buckle or a spring, but only the edge can be compressed, and the compression is not firm. There is a risk of burns when the PCB board is removed after welding. Figure 2 The clamping assembly 80 also includes a clamping block 83 and an elastic member 84. The clamping block 83 is slidably arranged in the clamping rod 81. The elastic member 84 is arranged between the clamping rod 81 and the clamping block 83. The elastic member 84 plays a buffering role. In this embodiment, the elastic member 84 is a spring. The clamping block 83 is made of a high temperature resistant material, and an anti-slip pattern 830 is provided at the bottom of the clamping block 83 to prevent the PCB board from shifting.

[0025] When the PCB board is pressed, the pressing rod 81 drives the pressing block 83 to move downward to press the PCB board. The elastic member 84 provides a buffer between the pressing rod 81 and the pressing block 83 to prevent the pressing block 83 from damaging the PCB board. When the PCB board is conveyed, the elastic member 84 can effectively solve the deformation and jitter of the PCB board, thereby improving product quality.

[0026] It also includes a buckle (not shown), which is arranged on both sides of the groove to assist in pressing the outer edge of the buckle. The bracket 20 is arranged between adjacent grooves to further improve the pressing of the PCB board. In some embodiments not shown, a quick clamp or spring clip can also be used to further assist in fixing the PCB board.

Claims

1. PCB wave soldering carrier, characterized by: The invention comprises a carrier plate and a bracket, wherein a plurality of grooves are arranged in parallel on the carrier plate, wherein a plurality of make way grooves and guide posts for locating the position of the PCB board are arranged in the grooves, wherein a through slot 1 and a plurality of clamping mechanisms are arranged on the bracket, wherein the clamping mechanism can move along the through slot 1, wherein the clamping mechanism comprises an adjusting rod and a swing rod, and a clamping assembly arranged on the swing rod for clamping or loosening the PCB board, wherein the swing rod is rotatably connected to the adjusting rod, wherein a through slot 2 for adjusting the position of the clamping assembly is arranged on the adjusting rod, wherein a fastener is arranged between the through slot 1 and the through slot 2, and the position of the clamping assembly on the PCB board can be fixed or adjusted by adjusting the tightness of the fastener.

2. The PCB wave soldering carrier according to claim 1, characterized in that: The rocker arm is provided with a through hole for placing the clamping assembly, and the clamping assembly includes a pressure rod and an elastic member arranged between the pressure rod and the rocker arm. The pressure rod is arranged in the through hole, the pressure rod is provided with a protrusion, the side wall of the through hole is provided with a sliding groove for the protrusion to slide, and the bottom of the through hole is provided with an annular groove connecting the sliding groove.

3. The PCB wave soldering carrier according to claim 2, characterized in that: The clamping assembly further comprises a pressing block and a second elastic member. The pressing block is slidably arranged in the pressing rod, and the second elastic member is arranged between the pressing rod and the pressing block.

4. The PCB wave soldering carrier according to claim 1, characterized in that: It also includes buckles, which are arranged on both sides of the grooves to press the outer edge of the PCB board, and the bracket is arranged between adjacent grooves.

5. The PCB wave soldering carrier according to claim 1, characterized in that: The fastener includes a fastening bolt and a ring nut.

6. The PCB wave soldering carrier according to claim 3, characterized in that: The pressing block is made of high temperature resistant material, and the bottom of the pressing block is provided with anti-slip grooves.

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