CN-224233927-U - Wave crest welding jig

Abstract

The utility model discloses a wave soldering jig, which relates to the technical field of electronic soldering auxiliary equipment, wherein the wave soldering jig is provided with a first side and a second side which are opposite, the first side is used for connecting PCBA, the wave soldering jig is provided with a soldering hole which is arranged in a penetrating way along the thickness direction, the soldering hole is used for exposing a soldering point on the PCBA, the wave soldering jig is provided with an inlet end and an outlet end which are arranged opposite to each other along the wave soldering moving direction, the second side of the wave soldering jig is provided with a first diversion trench and a second diversion trench which are respectively formed corresponding to the inlet end and the outlet end, and the first diversion trench and the second diversion trench are communicated with the soldering hole.

Inventors

• YU XIANYAO
• LUO YONG

Assignees

• 深圳市易优电气有限公司

Dates

Publication Date

20260512

Application Date

20260414

Claims (9)

1. 1. The utility model provides a wave soldering tool, its characterized in that, wave soldering tool has opposite first side and second side, first side is used for connecting PCBA, wave soldering tool is formed with the welding hole that link up the setting along thickness direction, the welding hole is used for revealing the solder joint on the PCBA, wave soldering tool has the entrance point and the exit end along wave soldering direction of movement, the entrance point with the exit end sets up relatively, wave soldering tool's second side corresponds the entrance point with the exit end is formed with first guiding gutter and second guiding gutter respectively, first guiding gutter with the second guiding gutter with the welding hole intercommunication.
2. 2. The wave soldering jig of claim 1, wherein the wave soldering jig comprises a plurality of soldering areas, each soldering area is arranged corresponding to a functional area on the PCBA, the first and second flow guide grooves comprise a plurality of first and second flow guide grooves, each first and second flow guide groove are distributed at intervals along the width direction of the wave soldering jig, and one soldering area is communicated with one first and/or one second flow guide groove.
3. 3. The wave soldering jig of claim 2, wherein the side walls of the soldering holes are beveled.
4. 4. The wave soldering jig of claim 3, wherein the side wall of the soldering hole is at an angle of 60 ° to the direction of movement of the wave soldering jig.
5. 5. The wave soldering jig of any one of claims 1 to 4 wherein the soldering hole has a depth h of 3mm +.h +.6mm.
6. 6. The wave soldering jig of claim 5, wherein the second side of the wave soldering jig is further formed with a receiving slot, the receiving slot being disposed facing a side of the wave soldering, the soldering hole being located at a bottom of the receiving slot, a depth of the receiving slot being less than a depth of the wave soldering jig.
7. 7. The wave soldering jig of claim 5, wherein the soldering apertures comprise an interposer device aperture and a power chip device aperture, the interposer device aperture in communication with the power chip device aperture.
8. 8. The wave soldering jig of claim 5, further comprising a plurality of void-avoidance grooves, each void-avoidance groove corresponding to a solder joint design on the PCBA board, wherein a rib is formed between two adjacent void-avoidance grooves, each rib being located in a space between two adjacent solder joints for blocking.
9. 9. The wave soldering jig of claim 5, comprising two sections of mounting portions spaced apart along a direction of movement of the wave soldering, one of the mounting portions corresponding to one of the PCBA, the first and second channels respectively communicating with one of the mounting portions.

Description

Wave crest welding jig Technical Field The utility model relates to the technical field of electronic welding auxiliary equipment, in particular to a wave crest welding jig. Background With rapid development of electronic technology, printed Circuit Board Assembly (PCBA) is used as a basic electronic assembly technology, and has been widely used in the field of electronic manufacturing. In the production process of PCBA, wave soldering is a main technological means for soldering plug-in components, and the basic principle is that a printed circuit board with components inserted therein passes through the wave surface of molten solder so as to realize mechanical connection and electrical connection between pins and bonding pads of the components. In wave soldering processes, in order to ensure soldering quality and to protect non-soldered areas on the PCBA, wave soldering jigs (also known as oven jigs) are typically used to carry and secure the PCBA. The existing wave soldering jig is generally provided with soldering holes for exposing soldering points to be soldered on the PCBA, so that solder can be contacted with the soldering points through the soldering holes to finish soldering. However, in the actual production process, the existing wave soldering jig still has certain limitations. Due to the defects in the structural design of the jig, in the wave soldering process, the wave soldering jig is easy to have adverse effect on the flow characteristics of molten solder, so that the condition of blank soldering or false soldering is caused due to insufficient contact time between the solder and a bonding pad, the soldering yield is reduced, and the occurrence of soldering defects is caused. Disclosure of utility model The utility model mainly aims to provide a wave soldering jig, which aims to optimize the structure of the wave soldering jig and improve the yield of soldering. In order to achieve the above purpose, the wave soldering jig provided by the utility model is provided with a first side and a second side which are opposite, the first side is used for connecting the PCBA, the wave soldering jig is provided with a welding hole which is arranged in a penetrating way along the thickness direction, the welding hole is used for exposing a welding spot on the PCBA, the wave soldering jig is provided with an inlet end and an outlet end which are arranged opposite to each other along the wave soldering moving direction, the second side of the wave soldering jig is provided with a first diversion trench and a second diversion trench corresponding to the inlet end and the outlet end respectively, and the first diversion trench and the second diversion trench are communicated with the welding hole. In an embodiment, the wave soldering jig comprises a plurality of soldering areas, each soldering area is arranged corresponding to a functional area on the PCBA, the first diversion trench and the second diversion trench comprise a plurality of first diversion trenches and second diversion trenches which are distributed at intervals along the width direction of the wave soldering jig, and one soldering area is communicated with one first diversion trench and/or one second diversion trench. In one embodiment, the side wall of the welding hole is inclined. In an embodiment, an included angle between the side wall of the welding hole and the moving direction of the wave soldering jig is 60 °. In one embodiment, the depth of the welding hole is h, and h is more than or equal to 3mm and less than or equal to 6mm. In an embodiment, the second side of the wave soldering jig is further formed with a receiving groove, the receiving groove faces one side of the wave soldering, the soldering hole is located at the bottom of the receiving groove, and the depth of the receiving groove is smaller than that of the wave soldering jig. In one embodiment, the solder apertures include an interposer device aperture and a power chip device aperture, the interposer device aperture in communication with the power chip device aperture. In an embodiment, the wave soldering fixture is further formed with a plurality of void-avoiding grooves, each void-avoiding groove corresponds to a design of a welding spot on the PCBA board, a flange is formed between two adjacent void-avoiding grooves, and each flange is located in a gap between two adjacent welding spots to block. In an embodiment, the wave soldering jig comprises two sections of mounting portions, wherein the two sections of mounting portions are arranged at intervals along the moving direction of wave soldering, one mounting portion corresponds to one PCBA, and the first diversion trench and the second diversion trench are respectively communicated with one mounting portion. According to the technical scheme, the wave crest welding jig is provided with the welding hole, the first diversion trench and the second diversion trench, during wave crest welding, the wave crest welding jig