Wave soldering jig

Abstract

The utility model relates to the technical field of welding jigs, and discloses a wave-soldering jig which comprises a jig body, the upper surface of the jig body is rotationally connected with two swing plates, the other ends of the two swing plates are fixedly connected with a heat dissipation plate, clamping grooves are formed between the two swing plates, a clamping column is clamped between the two clamping grooves, and the clamping column is fixedly connected with the heat dissipation plate. Two sliding grooves are formed in the inner bottom wall of the jig body. According to the wave-soldering jig, the welding effect of equipment can be improved through the cooperation of the installation tin dragging pins and external flux paste, the tin connection phenomenon is avoided, the one-time qualification rate is improved, the circuit board body can be conveniently disassembled through the cooperation of the installation supporting plate and the spring, the circuit board can be actively popped out after welding of the circuit board is completed, and the welding efficiency is improved. And through cooperation of the swing plate and the heat dissipation plate, the heat dissipation plate can make close contact with the circuit board, meanwhile, heat dissipation can be conducted on the circuit board body, and deformation of the circuit board due to high temperature is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of welding jigs, and specifically to a wave soldering jig. Background Art

[0002] A welding fixture is a type of welding fixture designed and manufactured based on the dimensional coordinate points of the welded parts that are calibrated during the design of the welding product. It plays a key role in the welding process, especially in the electronics industry, such as PCB welding (such as computer motherboards, graphics cards, etc.).

[0003] An existing patent (publication number: CN206472379U) discloses a wave soldering jig comprising an inner plate, an outer frame, an elastic holding portion, and a positioning portion. The inner plate has a hollowed-out center portion. The outer frame comprises an upper frame and a lower frame, each with four sides. The first side of the upper frame is movably connected to the first side of the lower frame, and the upper frame is pivotable about the first side of the lower frame. The second side of the upper frame and the second side of the lower frame are connected by a snap fastener. The inner plate is clamped between the upper and lower frames. The elastic holding portion is provided on the side of the upper frame to hold the heat sink on the printed circuit board, and the positioning portion is provided on the inner plate to position the printed circuit board. This utility model solves the problem of poor clamping effect in existing wave soldering jigs, improves the tightening effect, and has a simple structure and easy operation.

[0004] During use, the above-mentioned document can clamp the circuit board through the elastic pressing piece so that the heat sink contacts the surface of the circuit board. However, a single screw needs to be removed during installation. At the same time, the screw will slip after being removed multiple times, which is inconvenient to use. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the present application provides a wave soldering fixture with advantages such as improved practicality, which solves the problems raised in the background technology.

[0006] To achieve the above-mentioned objectives, the present application provides the following technical solutions: a wave soldering jig, comprising a jig body, wherein the upper surface of the jig body is rotatably connected to two swing plates, the other ends of the two swing plates are fixedly connected to a heat sink, a card slot is provided between the two swing plates, a card column is clamped between the two card slots, the inner bottom wall of the jig body is provided with two sliding slots, the interiors of the two sliding slots are slidably connected to support plates, the bottom ends of the two support plates are fixedly connected to springs, the other ends of the two springs are fixedly connected to the sliding slots adjacent to them, a tin drag pin is provided above the jig body, and a circuit board body is provided on the upper surface of the jig body.

[0007] Through the above solution, by installing the tin-drag pins and coordinating them with external soldering paste, the welding effect of the equipment can be improved, the tinning phenomenon can be avoided, and the one-time qualified rate can be increased.

[0008] Furthermore, an elastic pressure plate is fixedly connected to the upper surface of the jig body, and a knob pressure plate is rotatably connected to the upper surface of the jig body, and the knob pressure plate is in contact with the elastic pressure plate.

[0009] Through the above solution, the cooperation of the installed elastic pressure plate and the knob pressure plate can apply pressure to the swing plate, so that the swing plate can apply pressure to the heat sink, thereby enabling the heat sink to be in close contact with the circuit board body.

[0010] Furthermore, the upper surface of the fixture body is rotatably connected to two V-shaped plates, and the two V-shaped plates are in contact with the upper surface of the circuit board body.

[0011] Through the above solution, the installation of the V-shaped plate can limit the circuit board body, and the cooperation with the spring enables the circuit board body to be stably placed on the fixture body.

[0012] Furthermore, a positioning groove is provided on the upper surface of the fixture body, a sliding member is slidably connected inside the positioning groove, and two elastic clamps are fixedly connected to the upper surface of the sliding member, and both of the elastic clamps are in contact with the tinning pins.

[0013] Through the above solution, the elastic clamp can be installed to install the tinning pin, and it is also easy to disassemble the tinning pin, which is convenient to use.

[0014] Furthermore, a positioning rod is fixedly connected to the inner wall of the positioning groove, and the sliding member is slidably connected to the positioning rod.

[0015] Through the above solution, installing the positioning rod can limit the sliding member, so that the sliding member can slide stably.

[0016] Furthermore, a plurality of fins are installed on the upper surface of the heat dissipation plate, and the plurality of fins are distributed at equal distances.

[0017] Through the above solution, installing the fins can improve the heat dissipation effect of the heat sink, making it easier to dissipate heat from the circuit board body.

[0018] Furthermore, a plurality of mounting holes are provided on the upper surface of the fixture body, and the plurality of mounting holes are distributed in a matrix.

[0019] Through the above solution, the installation holes are provided to facilitate the installation of the fixture body, thereby improving the installation efficiency of the fixture body.

[0020] Furthermore, a plurality of rubber pads are fixedly connected to the bottom surface of the fixture body, and the plurality of rubber pads are distributed in a matrix.

[0021] Through the above solution, when the jig body is installed, the rubber pad is installed, and the stability of the jig body and the workbench can be improved through the cooperation of the tightening force of the bolt and the rubber pad.

[0022] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0023] The wave soldering fixture can improve the equipment soldering effect by installing the tin drag pins and cooperating with the external solder paste, avoid the tinning phenomenon, and increase the one-time qualified rate. The installation of the support plate and the spring can facilitate the disassembly of the circuit board body. After the circuit board is soldered, the circuit board can be actively ejected, thereby improving the overall practicality. The cooperation of the swing plate and the heat dissipation plate can not only make the heat dissipation plate in close contact with the circuit board, but also dissipate the heat of the circuit board body, thereby avoiding the deformation of the circuit board due to high temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is an illustration of the overall structure of this application Figure 1 ;

[0025] Figure 2 This is a cross-sectional view of the overall structure of this application;

[0026] Figure 3 This is an illustration of the overall structure of this application Figure 2 ;

[0027] Figure 4 This is a schematic diagram of the swing plate structure of this application.

[0028] In the picture:

[0029] 1. Fixture body; 2. Swing plate; 3. Heat sink; 4. Slot; 5. Clamping column; 6. Sliding slot; 7. Support plate; 8. Spring; 9. Tinning pin; 10. Circuit board body; 11. Elastic pressure plate; 12. Knob pressure plate; 13. V-shaped plate; 14. Positioning slot; 15. Sliding part; 16. Elastic clamp; 17. Positioning rod; 18. Fin; 19. Mounting hole; 20. Rubber pad. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0031] See also Figure 1 、 Figure 2 and Figure 3 In this embodiment, a wave soldering jig includes a jig body 1. The upper surface of the jig body 1 is rotatably connected to two swing plates 2. The other ends of the two swing plates 2 are fixedly connected to a heat sink 3. A card slot 4 is provided between the two swing plates 2. A card column 5 is clamped between the two card slots 4. The inner bottom wall of the jig body 1 is provided with two sliding grooves 6. The interiors of the two sliding grooves 6 are slidably connected to support plates 7. The bottom ends of the two support plates 7 are fixedly connected to springs 8. The other ends of the two springs 8 are fixedly connected to the sliding grooves 6 adjacent to them. A tinning pin 9 is provided on the top of the jig body 1. The upper surface of the fixture body 1 is provided with a circuit board body 10. By installing the tinning pin 9 and cooperating with the external solder paste, the welding effect of the equipment can be improved, the tinning phenomenon can be avoided, and the one-time qualified rate can be improved. By installing the support plate 7 and the spring 8, the circuit board body 10 can be easily disassembled. After the welding of the circuit board is completed, the circuit board can be actively ejected, which improves the overall practicality. The cooperation of the swing plate 2 and the heat dissipation plate 3 can not only make the heat dissipation plate 3 in close contact with the circuit board, but also can dissipate the heat of the circuit board body 10, thereby avoiding deformation of the circuit board due to high temperature.

[0032] See also Figure 1 、 Figure 2 and Figure 3 , the upper surface of the jig body 1 is fixedly connected with an elastic pressure plate 11, and the upper surface of the jig body 1 is rotatably connected with a knob pressure plate 12, which contacts the elastic pressure plate 11. The installation of the elastic pressure plate 11 and the knob pressure plate 12 can apply pressure to the swing plate 2, so that the swing plate 2 can apply pressure to the heat sink 3, thereby enabling the heat sink 3 to be in close contact with the circuit board body 10. The upper surface of the jig body 1 is rotatably connected with two V-shaped plates 13, which contact the upper surface of the circuit board body 10. The installation of the V-shaped plate 13 can limit the circuit board body 10 and cooperate with the spring 8 to make the circuit board body 10 The body 10 can be stably placed on the jig body 1. A positioning groove 14 is provided on the upper surface of the jig body 1. A sliding member 15 is slidably connected to the inside of the positioning groove 14. Two elastic clamps 16 are fixedly connected to the upper surface of the sliding member 15. Both elastic clamps 16 are in contact with the tin-drag pins 9. Installing the elastic clamps 16 can install the tin-drag pins 9 and facilitate the disassembly of the tin-drag pins 9. It is more convenient to use. A positioning rod 17 is fixedly connected to the inner wall of the positioning groove 14. The sliding member 15 is slidably connected to the positioning rod 17. Installing the positioning rod 17 can limit the sliding member 15 so that the sliding member 15 can slide stably.

[0033] See also Figure 1 、 Figure 2 and Figure 4A plurality of fins 18 are installed on the upper surface of the heat sink 3, and the plurality of fins 18 are distributed at equal distances. Installing the fins 18 can improve the heat dissipation effect of the heat sink 3 and facilitate the heat dissipation of the circuit board body 10. A plurality of mounting holes 19 are opened on the upper surface of the jig body 1, and the plurality of mounting holes 19 are distributed in a matrix. The opening of the mounting holes 19 can facilitate the installation of the jig body 1 and improve the installation efficiency of the jig body 1. A plurality of rubber pads 20 are fixedly connected to the bottom surface of the jig body 1, and the plurality of rubber pads 20 are distributed in a matrix. When the rubber pads 20 are installed, the fastening force of the bolts and the cooperation of the rubber pads 20 can improve the stability of the jig body 1 and the workbench when the jig body 1 is installed.

[0034] A wave soldering jig in this embodiment can improve the equipment welding effect by installing the tin drag pin 9 and cooperating with the external solder paste, avoid the tinning phenomenon, and improve the one-time qualified rate. The installation of the support plate 7 and the spring 8 can facilitate the disassembly of the circuit board body 10. After the circuit board is soldered, the circuit board can be actively ejected, thereby improving the overall practicality. The cooperation of the swing plate 2 and the heat dissipation plate 3 can not only make the heat dissipation plate 3 in close contact with the circuit board, but also dissipate the heat of the circuit board body 10, thereby avoiding deformation of the circuit board due to high temperature.

[0035] The working principle of the above embodiment is as follows: when the circuit board body 10 is welded, the circuit board body 10 is placed in the jig body 1, and pressure is applied to the jig body 1 to compress the spring 8, and then the two V-shaped plates 13 are swung to make the two V-shaped plates 13 contact the surface of the circuit board body 10. At this time, the circuit board body 10 can be stably placed in the jig body 1, and then the two swing plates 2 are swung to make the heat dissipation plate 3 contact the circuit board body 10, and the elastic pressure plate 11 and the knob pressure plate 12 are used to clamp the swing plate 2 to make the heat dissipation plate 3 contact the circuit board body 10. The plate 3 is in close contact with the circuit board body 10, and the installation of the fins 18 can improve the heat dissipation effect of the heat sink 3, avoid deformation of the circuit board due to high temperature, and facilitate heat dissipation of the circuit board body 10. By installing the tin-drag pins 9 and cooperating with the external solder paste, the equipment welding effect can be improved, the tinning phenomenon can be avoided, and the one-time qualified rate can be improved. After the welding of the circuit board body 10 is completed, the V-shaped plate 13 and the swing plate 2 are reset. At this time, the circuit board body 10 will drop under the push of the reset force of the spring 8. The circuit board body 10 pops out, which is convenient for disassembly of the circuit board body 10.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0037] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A wave soldering jig, comprising a jig body (1), characterized in that: The upper surface of the jig body (1) is rotatably connected to two swing plates (2), the other ends of the two swing plates (2) are fixedly connected to a heat sink (3), a card slot (4) is provided between the two swing plates (2), a card column (5) is clamped between the two card slots (4), the inner bottom wall of the jig body (1) is provided with two sliding slots (6), the interiors of the two sliding slots (6) are slidably connected to a support plate (7), the bottom ends of the two support plates (7) are fixedly connected to a spring (8), the other ends of the two springs (8) are fixedly connected to the sliding slot (6) adjacent thereto, a tinning pin (9) is provided above the jig body (1), and a circuit board body (10) is provided on the upper surface of the jig body (1).

2. The wave soldering fixture according to claim 1, characterized in that: An elastic pressure plate (11) is fixedly connected to the upper surface of the jig body (1), and a knob pressure plate (12) is rotatably connected to the upper surface of the jig body (1), wherein the knob pressure plate (12) contacts the elastic pressure plate (11).

3. The wave soldering fixture according to claim 1, characterized in that: The upper surface of the jig body (1) is rotatably connected to two V-shaped plates (13), and the two V-shaped plates (13) are in contact with the upper surface of the circuit board body (10).

4. The wave soldering fixture according to claim 1, characterized in that: A positioning groove (14) is provided on the upper surface of the fixture body (1), a sliding member (15) is slidably connected inside the positioning groove (14), and two elastic clamps (16) are fixedly connected to the upper surface of the sliding member (15), and both of the two elastic clamps (16) are in contact with the tinning pin (9).

5. The wave soldering fixture according to claim 4, characterized in that: A positioning rod (17) is fixedly connected to the inner wall of the positioning groove (14), and the sliding member (15) is slidably connected to the positioning rod (17).

6. The wave soldering fixture according to claim 1, characterized in that: A plurality of fins (18) are mounted on the upper surface of the heat dissipation plate (3), and the plurality of fins (18) are distributed at equal distances.

7. The wave soldering fixture according to claim 1, characterized in that: The upper surface of the fixture body (1) is provided with a plurality of mounting holes (19), and the plurality of mounting holes (19) are distributed in a matrix pattern.

8. The wave soldering fixture according to claim 1, characterized in that: A plurality of rubber pads (20) are fixedly connected to the bottom surface of the fixture body (1), and the plurality of rubber pads (20) are distributed in a matrix.

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