CN221354644U - Wave soldering jig for circuit board - Google Patents
Wave soldering jig for circuit board Download PDFInfo
- Publication number
- CN221354644U CN221354644U CN202323410314.2U CN202323410314U CN221354644U CN 221354644 U CN221354644 U CN 221354644U CN 202323410314 U CN202323410314 U CN 202323410314U CN 221354644 U CN221354644 U CN 221354644U
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- CN
- China
- Prior art keywords
- tray
- circuit board
- spring
- limiting block
- wave soldering
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- 238000005476 soldering Methods 0.000 title claims abstract description 19
- 230000006835 compression Effects 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The application discloses a wave soldering jig for a circuit board, belongs to the technical field of circuit board production, and solves the problem that a compression bar cannot compress the circuit board due to inconvenient replacement of a aged spring in the prior art. The application comprises a tray, a mounting rod, a spring, a limiting block and a compression rod. The placing groove is used for placing the circuit board, and the spring can apply force to the pressing rod so that the pressing rod can compress the circuit board; when the spring needs to be replaced, the limiting block is detached from the mounting rod, so that the spring can be replaced conveniently.
Description
Technical Field
The application relates to the technical field of circuit board production, in particular to a wave soldering jig for a circuit board.
Background
Wave soldering works by moving a circuit board, which is pre-coated with solder paste, to a soldering wave area by a transfer mechanism, the soldering wave being molten solder, the molten solder forming an approximately wave-like shape. Under the action of welding waves, the electronic element on the circuit board is contacted with the welding flux to form welding spots. The circuit board is then separated from the solder wave area and cooled to solidify the solder joint.
In the patent with publication number CN205817029U, a wave soldering jig is disclosed, when the device is used, the circuit board is placed on the tray, then the circuit board is pressed by the press rod, the spring force generated by the spring can force the press rod to move downwards, so that the press rod compresses the circuit board. In the device, inconvenient change the spring, can take place ageing after the frequent use of spring, and then lead to the elasticity of spring to reduce, lead to the spring to the pressure of depression bar reduce, can't fix firm to the circuit board, and then can lead to the circuit board to follow the welding wave upward movement when the circuit board welding wave, and then lead to welding wave to the circuit board poor welding.
Therefore, the technical problems to be solved by the application are as follows: how to facilitate the replacement of the spring.
Disclosure of utility model
The application aims at solving the problems in the prior art, and provides a wave soldering jig for a circuit board, which solves the problem that a compression bar cannot compress the circuit board due to inconvenient replacement after spring aging in the prior art, and the technical effect of the scheme of the application is as follows: the spring can be replaced conveniently.
The application can be realized by the following technical scheme: a wave soldering jig for a circuit board comprises a tray, a mounting rod, a spring, a limiting block and a pressing rod. The tray is provided with a placing groove which can be clamped with the circuit board, and the bottom of the tray is provided with a plurality of through holes; the mounting rod is vertically arranged and fixedly connected with the upper surface of the tray, and a first clamping block is formed at one end, far away from the tray, of the mounting rod; the spring is wound on the mounting rod; the lower surface of the limiting block is abutted with one axial end of the spring far away from the tray, a first clamping groove is formed in one end of the limiting block close to the tray, and the first clamping block can be clamped with the first clamping groove; the pressure bar is sleeved on the mounting bar, the pressure bar can be in contact with the upper surface of the circuit board, and the upper surface of the pressure bar is abutted with one axial end of the spring, which is close to the tray, so that the position of the circuit board relative to the tray is fixed.
In the technical scheme, the placing groove is used for placing the circuit board, and the spring can apply force to the pressing rod so that the pressing rod can compress the circuit board; when the spring needs to be replaced, the limiting block is detached from the mounting rod, so that the spring can be replaced conveniently.
Further, the installation rods, the springs and the compression bars are all configured with a plurality of and uniformly distributed on the periphery of the circuit board, the plurality of installation rods are in one-to-one corresponding fit connection with the plurality of springs and the plurality of compression bars, and the plurality of installation rods are clamped with the same limiting block.
In the technical scheme, the plurality of mounting rods are in one-to-one corresponding fit connection with the plurality of springs and the plurality of compression bars, so that the position of the circuit board is firmer. Several installation pole and same stopper joint, when needs change the spring, the workman only need dismantle a limiting plate and can change a plurality of springs, and is comparatively convenient.
Further, the tray further comprises a limiting plate, and the vertical side wall of the limiting plate can be clamped with the vertical side wall of the limiting block and the vertical side wall of the tray at the same time.
In the above technical scheme, the circuit board can receive the effort of welding wave and have upward motion's trend through the in-process of welding wave, and the circuit board can have the reaction force to the spring with self butt, and the spring can give the stopper with this effort, and the stopper has the trend of breaking away from the installation pole along self thickness direction promptly. The vertical lateral wall of limiting plate can be simultaneously with the vertical lateral wall of stopper and the vertical lateral wall joint of tray, and then the displacement of restriction stopper in vertical direction, and then make the stopper be difficult for breaking away from the installation pole.
Further, two second clamping blocks are formed on the limiting plate, a second clamping groove is formed in the vertical side wall, close to the limiting plate, of the limiting block and the tray, and the two second clamping blocks can be in one-to-one correspondence with the two second clamping grooves in a clamping mode.
In the technical scheme, the two second clamping blocks can be clamped with the two second clamping grooves in a one-to-one correspondence mode, so that the limiting plate is fixed relative to the limiting block and the tray.
Further, the limiting plates are arranged in a plurality, and the vertical side wall of each limiting plate can be clamped with the limiting block and the tray at the same time.
In the technical scheme, through the configuration of the plurality of limiting plates, and the vertical side wall of each limiting plate can be simultaneously clamped with the limiting block and the tray, the position of the limiting block can be fixed more firmly.
Further, one end of the limiting block, which is away from the tray, is fixedly connected with a handle.
In the technical scheme, a worker can enable a plurality of first clamping grooves to leave a plurality of first clamping blocks in one-to-one correspondence by holding the lifting handle lifting limiting block, and the lifting handle lifting limiting block is convenient.
Further, the compression bar comprises a first diagonal bar and a second diagonal bar. The first inclined rod is sleeved on the mounting rod, and the upper surface of the first inclined rod is abutted against one end, close to the tray, of the spring; the second inclined rod and the first inclined rod are integrally formed, the length directions of the second inclined rod and the first inclined rod are located on different straight lines, and one end, away from the first inclined rod, of the second inclined rod is abutted to the upper surface of the circuit board.
In the technical scheme, when the pressure lever is a straight lever which is horizontally arranged, the acting force of the pressure lever on the circuit board is 0, the pressure lever comprises the first inclined lever and the second inclined lever, the first inclined lever is pressed by the spring to transfer the elastic force of the spring to the circuit board through the second inclined lever, the circuit board is stressed at the moment, and when the circuit board passes through welding waves, the circuit board is not easy to move upwards due to the resistance of the second inclined lever, so that the pressing effect on the circuit board is better.
Further, the limiting plate is away from the vertical side wall of the limiting block and is fixedly connected with a handle.
In the technical scheme, the worker presses the limiting block, and then pulls the handle to enable the limiting plate to leave the tray and the limiting block, so that the limiting plate is convenient.
In summary, the application has the following technical effects: the placing groove is used for placing the circuit board, and the spring can apply force to the pressing rod so that the pressing rod can compress the circuit board; when the spring needs to be replaced, the limiting block is detached from the mounting rod, so that the spring can be replaced conveniently.
Drawings
FIG. 1 is a schematic view of the overall structure of the present application;
FIG. 2 is a schematic view of the structure of the compression bar of the present application;
FIG. 3 is a schematic view of a stopper according to the present application;
Fig. 4 is a schematic structural view of a limiting plate in the present application.
Reference numerals illustrate:
1. A tray; 11. a placement groove; 12. a through hole; 2. a mounting rod; 21. a first clamping block; 3. a spring; 4. a limiting block; 41. a first clamping groove; 5. a compression bar; 51. a first diagonal bar; 52. a second diagonal bar; 6. a limiting plate; 61. a second clamping block; 7. a second clamping groove; 8. a handle; 9. a handle.
Detailed Description
Referring to fig. 1 of the drawings of the specification, an embodiment of the application provides a wave soldering jig for a circuit board, which comprises a tray 1, wherein a placement groove 11 is formed in the tray 1, the bottom surface inside the placement groove 11 can be in contact with the circuit board, the placement groove 11 can be clamped with the circuit board, three through holes 12 are formed in the bottom of the tray 1, and the three through holes 12 are all used for allowing component pins to be soldered on the circuit board to pass through, so that soldering waves can be in contact with the component pins to solder the component pins. Four sides of tray 1 upper surface all demountable installation have two installation poles 2, and every installation pole 2 is all vertical to be placed, and the axial outer wall of every installation pole 2 all is around being equipped with a spring 3, and the one end and the same stopper 4 joint on ground are kept away from to eight installation poles 2, and stopper 4 lower surface can keep away from the axial one end butt of tray 1 with every spring 3. Every installation pole 2 all overlaps and is equipped with a depression bar 5, and the upper surface of every depression bar 5 all is close to the axial one end butt of tray 1 with a spring 3, and depression bar 5 can be with circuit board contact, and spring 3 can apply force to depression bar 5 to make depression bar 5 compress tightly the circuit board, so that the fixed position of circuit board thickness direction, and then guarantee the welding wave to the welding effect of circuit board.
Referring to fig. 1 and 2 of the drawings, the compression bar 5 includes a first inclined bar 51, the first inclined bar 51 is sleeved on the mounting bar 2 and is abutted against one axial end of the spring 3, which is close to the tray 1, the first inclined bar 51 can rotate around the axis of the mounting bar 2, the first inclined bar 51 is integrally formed with a second inclined bar 52, the length direction of the second inclined bar 52 is located on a different straight line with the length direction of the first inclined bar 51, one end of the second inclined bar 52, which is close to the ground, can be contacted with the circuit board, and the spring 3 can press the first inclined bar 51 by pressing the first inclined bar 51, so that the first inclined bar 51 can rotate in a vertical plane perpendicular to the upper surface of the tray, and the second inclined bar 52 can press the circuit board.
It can be understood that when the compression bar 5 is a straight bar placed horizontally, the lower surface of the compression bar 5 is only abutted against the upper surface of the circuit board, and the acting force of the compression bar 5 on the circuit board is 0, the compression bar 5 in the application comprises a first inclined bar 51 and a second inclined bar 52, the first inclined bar 51 is pressed by the spring 3 to transmit the elastic force of the spring 3 to the circuit board through the second inclined bar 52, and the circuit board is stressed, so that when the circuit board passes through welding waves, the circuit board is not easy to move upwards due to the resistance of the second inclined bar 52, and the compression effect on the circuit board is better.
Referring to fig. 2 and 3 of the drawings, in the process of frequently moving the first diagonal rod 51, the spring 3 is frequently stressed, and the spring 3 is gradually aged after being frequently used for a period of time, so that the elasticity of the spring 3 is reduced, and the compression effect of the spring 3 on the first diagonal rod 51 is further affected. One end of each mounting rod 2, which is far away from the tray 1, is provided with a first clamping block 21, eight first clamping grooves 41 are formed in the limiting block 4, and each first clamping groove 41 is used for clamping one first clamping block 21, so that the limiting block 4 is fixed relative to the tray 1. One end of the limiting block 4 far away from the tray 1 can be detachably connected with a lifting handle 8, the lifting handle 8 can be held, a worker can press the tray 1 and then lift the lifting handle 8 to detach the limiting block 4, and the springs 3 can be replaced simultaneously, so that the convenience is realized.
Referring to fig. 2 and 4 of the drawings, in the process of welding wave, the circuit board will receive the force of the welding wave and have a tendency to move upwards, the circuit board can transmit the force to the spring 3 through the second inclined rod 52 and the first inclined rod 51, the spring 3 can transmit the force to the limiting block 4, and the limiting block 4 has a tendency to separate from the mounting rod 2 along the thickness direction thereof. The vertical side walls of the tray 1 and the limiting block 4 positioned on the same side can be simultaneously clamped with a limiting plate 6. Limiting plate 6 has two altogether and places relatively, and a second draw-in groove 7 has all been seted up to tray 1 and stopper 4's two vertical lateral walls relatively, and every stopper 4's vertical lateral wall all shaping has two second fixture blocks 61, and two second fixture blocks 61 can one-to-one and two second draw-in groove 7 joint, and then the displacement of limiting block 4 in vertical direction, and then makes stopper 4 be difficult for breaking away from installation pole 2, and two limiting plate 6 can be more firm to stopper 4 fixedly.
The working principle of the embodiment is as follows: firstly, the circuit board is clamped into the placing groove 11 until the lower surface of the circuit board contacts with the inner bottom surface of the placing groove 11, then eight pressing rods 5 are rotated in sequence, one end, close to the ground, of each second inclined rod 52 is abutted against the upper surface of the circuit board, and at the moment, the circuit board is fixed. When the spring 3 needs to be replaced, the handle 9 is pulled first to enable the limiting plate 6 to be detached from the tray 1 and the limiting block 4, then the tray 1 is pressed, the limiting block 4 can be separated from the mounting rod 2 by lifting the lifting handle 8, and at the moment, the spring 3 can be replaced.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. A wave soldering jig for a circuit board is characterized by comprising:
The tray (1), a standing groove (11) is formed in the tray (1), the standing groove (11) can be connected with the circuit board in a clamping mode, and a plurality of through holes (12) are formed in the bottom of the tray (1);
The mounting rod (2) is vertically arranged and fixedly connected with the upper surface of the tray (1), and a first clamping block (21) is formed at one end, far away from the tray (1), of the mounting rod (2);
A spring (3), wherein the spring (3) is wound on the mounting rod (2);
The lower surface of the limiting block (4) is abutted with one axial end, far away from the tray (1), of the spring (3), a first clamping groove (41) is formed in one end, close to the tray (1), of the limiting block (4), and the first clamping block (21) can be clamped with the first clamping groove (41);
The compression bar (5), compression bar (5) cover is located installation pole (2), compression bar (5) can be with circuit board upper surface contact, axial one end butt that compression bar (5) upper surface and spring (3) are close to tray (1) to make the relative tray (1) fixed in position of circuit board.
2. The wave soldering jig for the circuit board according to claim 1, wherein the plurality of mounting rods (2), the plurality of springs (3) and the plurality of pressing rods (5) are uniformly distributed on the periphery of the circuit board, the plurality of mounting rods (2) are in one-to-one corresponding fit connection with the plurality of springs (3) and the plurality of pressing rods (5), and the plurality of mounting rods (2) are clamped with the same limiting block (4).
3. The circuit board wave soldering jig according to claim 1, further comprising a limiting plate (6), wherein the vertical side wall of the limiting plate (6) can be clamped with the vertical side wall of the limiting block (4) and the vertical side wall of the tray (1) at the same time.
4. The wave soldering jig for circuit boards according to claim 3, wherein the limiting plate (6) is formed with two second clamping blocks (61), the limiting block (4) and the vertical side wall of the tray (1) close to the limiting plate (6) are provided with a second clamping groove (7), and the two second clamping blocks (61) can be clamped with the two second clamping grooves (7) in a one-to-one correspondence mode.
5. A wave soldering jig for circuit boards according to claim 3, wherein the limiting plates (6) are arranged in a plurality, and the vertical side wall of each limiting plate (6) can be clamped with the limiting block (4) and the tray (1) at the same time.
6. The wave soldering jig for circuit boards according to claim 2, wherein one end of the limiting block (4) deviating from the tray (1) is fixedly connected with a handle (8).
7. The jig according to claim 1, wherein the pressing bar (5) comprises:
The first inclined rod (51) is sleeved on the mounting rod (2), and the upper surface of the first inclined rod (51) is abutted to one end, close to the tray (1), of the spring (3);
The second inclined rod (52), second inclined rod (52) and first inclined rod (51) integrated into one piece and length direction are located different straight lines, one end that second inclined rod (52) kept away from first inclined rod (51) can with circuit board upper surface butt.
8. A wave soldering jig for circuit boards according to claim 3, wherein the vertical side wall of the limiting plate (6) facing away from the limiting block (4) is fixedly connected with a handle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323410314.2U CN221354644U (en) | 2023-12-13 | 2023-12-13 | Wave soldering jig for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323410314.2U CN221354644U (en) | 2023-12-13 | 2023-12-13 | Wave soldering jig for circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221354644U true CN221354644U (en) | 2024-07-16 |
Family
ID=91834028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323410314.2U Active CN221354644U (en) | 2023-12-13 | 2023-12-13 | Wave soldering jig for circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221354644U (en) |
-
2023
- 2023-12-13 CN CN202323410314.2U patent/CN221354644U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |