CN-121983827-A - Hot-press welding jig

CN121983827ACN 121983827 ACN121983827 ACN 121983827ACN-121983827-A

Abstract

The application is suitable for the field of electric connectors, and provides a hot-press welding jig which comprises a welding base, a PCB supporting seat, a pushing assembly and a gland assembly, wherein the welding base is provided with a first end and a second end which are oppositely arranged in a first direction, the PCB supporting seat is detachably connected with the first end of the welding base, the pushing assembly is movably connected with the PCB supporting seat and can move between a first position spaced from a PCB and a second position in contact with the PCB, when the pushing assembly is positioned at the second position, the pushing assembly ejects at least one part of the PCB from the PCB supporting seat, the gland assembly is rotatably connected with the PCB supporting seat, and the gland assembly can be locked on the PCB supporting seat to fix the PCB in a covering manner on the PCB supporting seat. According to the application, the PCB is separated from the supporting area through pushing action during disassembly, the stress point of the PCB is close to the central position of the PCB during pushing and is uniformly stressed, so that the damage of the PCB caused by uneven stress can be avoided, and meanwhile, the disassembly can be completed by moving the pushing component, thereby being beneficial to improving the disassembly efficiency.

Inventors

WU JIHUI
ShangGuan Xiaorui
ZHANG YUANZHI

Assignees

上海航天科工电器研究院有限公司

Dates

Publication Date: 20260505
Application Date: 20260203

Claims (10)

1. The utility model provides a thermocompression bonding tool for clamping waits welded PCB board and fastener subassembly, its characterized in that, thermocompression bonding tool includes: a weld base having oppositely disposed first and second ends in a first direction; the PCB supporting seat is detachably connected to the first end of the welding base; The pushing component is movably connected with the PCB supporting seat and can move between a first position spaced from the PCB and a second position contacted with the PCB, wherein when the pushing component is positioned at the second position, at least one part of the PCB is ejected out of the PCB supporting seat by the pushing component; The gland assembly is rotationally connected with the PCB supporting seat and can be locked on the PCB supporting seat to cover and fix the PCB on the PCB supporting seat.
2. The thermocompression bonding jig of claim 1, wherein the PCB support base is provided with a plurality of receiving grooves; The pushing component comprises a rotating rod, a cam piece fixedly connected with the rotating rod and an unlocking piece connected with the tail end of the rotating rod; the rotating rod penetrates through the PCB supporting seat, and one end of the rotating rod extends out of the outer surface of the PCB supporting seat; the cam piece is accommodated in the accommodating groove; The unlocking piece is positioned on the outer surface of the PCB supporting seat; The pushing component is configured to rotate the unlocking piece and can drive the rotating rod to rotate, the rotating rod drives the cam piece to rotate between the first position and the second position, and when the cam piece is located at the second position, at least one part of the PCB is ejected out of the PCB supporting seat by the cam piece.
3. The thermocompression bonding jig of claim 2, further comprising a first sliding shaft, a PCB top block, and a first elastic member; One end of a first sliding shaft is connected with the PCB supporting seat, and the other end of the first sliding shaft is inserted into the PCB top block; The PCB top block is connected to the first sliding shaft and can move along the first sliding shaft relative to the PCB supporting seat; the first elastic piece is sleeved on the first sliding shaft, one end of the first elastic piece is abutted to the PCB top block, the other end of the first elastic piece is abutted to the PCB supporting seat, and the first elastic piece is configured to enable the PCB top block to bias towards the PCB.
4. The thermocompression bonding jig of claim 2, further comprising a positioning post connected to the upper surface of the PCB support base, the positioning post being adapted to a positioning hole on the PCB board, the positioning post being configured such that when the PCB board is mounted on the PCB support base, the positioning post is engaged with the positioning hole.
5. The thermocompression bonding tool of claim 2, wherein the wire clamp base comprises a support portion that is inclined toward the first end of the bonding base.
6. The thermocompression bonding tool of claim 5, wherein the left side of the wire clamp support seat is provided with a left side accommodating cavity, the right side of the wire clamp support seat is provided with a right side accommodating cavity, the thermocompression bonding tool comprises a left side limiting component and a right side limiting component, the left side limiting component is movably connected with the left side accommodating cavity, and the right side limiting component is fixedly connected with the right side accommodating cavity.
7. The thermocompression bonding jig of claim 6, wherein the left side restraint assembly comprises a second sliding shaft, a left side restraint block, and a second elastic member; The second sliding shaft penetrates through the left accommodating cavity; The left limiting block is connected to the second sliding shaft and can move in the left accommodating cavity along the second sliding shaft; The second elastic piece is sleeved on the second sliding shaft, one end of the second elastic piece is abutted to the cavity wall of the left accommodating cavity, the other end of the second elastic piece is abutted to the left limiting block, and the second elastic piece is configured to enable the left limiting block to be biased towards the right accommodating cavity.
8. The thermocompression bonding jig of claim 5, further comprising a front side limiting block, a rear side limiting block and a limiting top bead, wherein the front side of the wire clamp support seat is provided with a front side accommodating cavity, and the rear side of the wire clamp support seat is provided with a rear side accommodating cavity; the front limiting block is fixedly connected with the front accommodating cavity, and at least one part of the front limiting block extends out of the supporting part; the rear limiting block is fixedly connected with the rear accommodating cavity, and at least one part of the rear limiting block extends out of the supporting part; the limit top bead is connected to the rear limit block and located above the supporting portion.
9. The thermocompression bonding jig of claim 1, further comprising a solder support block connected to the front end of the PCB support base, the solder support block for supporting the PCB board.
10. The thermocompression bonding jig of any one of claims 1 to 9, wherein the bonding base includes a guide protrusion protruding upward from an upper surface of the bonding base and extending in the first direction, guide grooves adapted to the guide protrusions are provided at bottoms of the clip support base and the PCB support base, respectively, and the clip support base and the PCB support base are connected to the bonding base through the guide grooves, respectively.

Description

Hot-press welding jig Technical Field The application belongs to the technical field of electric connectors, and particularly relates to a hot-press welding jig. Background In the process of manufacturing the electrical connector, the connection of the PCB board to the cable in the clip assembly is often performed by a thermocompression bonding process, and by simultaneously applying precise temperature and pressure to the bonding area, the solder is melted, thereby achieving a reliable electrical and mechanical connection therebetween. After the welding is finished, the PCB needs to be detached from the welding jig, in the related art, tweezers or other tools are usually adopted to pry out, the PCB is easy to damage due to uneven stress, and the detachment efficiency is low. Disclosure of Invention The embodiment of the application provides a hot-press welding jig, which can solve the technical problems that a PCB is easily damaged due to uneven stress and the disassembly efficiency is low due to the fact that tweezers or other tools are adopted for prying out in the related art. The embodiment of the application provides a hot-press welding jig for clamping a PCB to be welded and a wire clamp assembly, which comprises: The welding base is provided with a first end and a second end which are oppositely arranged in a first direction; the PCB supporting seat is detachably connected to the first end of the welding base; The pushing assembly is movably connected with the PCB supporting seat and can move between a first position spaced from the PCB and a second position contacted with the PCB, wherein when the pushing assembly is positioned at the second position, the pushing assembly ejects at least one part of the PCB from the PCB supporting seat; The gland assembly is rotationally connected to the PCB supporting seat and can be locked on the PCB supporting seat to cover and fix the PCB board on the PCB supporting seat. According to the application, the pushing component can move between the first position and the second position, the pushing component is positioned at the avoiding position and does not interfere with the clamping of the PCB, the PCB is separated from the supporting area through pushing action during disassembly, the stress point of the PCB is close to the central position and is uniformly stressed during pushing, the damage of the PCB caused by uneven stress can be avoided, meanwhile, the disassembly can be completed by moving the pushing component, the disassembly efficiency is improved, the positioning design of the wire clamp supporting seat ensures the precise alignment of the end part of the wire clamp and the welding area of the PCB, the offset and the cold welding during welding are avoided, and the improvement of the yield and the electrical connection reliability of the hot press welding is facilitated. In some embodiments, the PCB support base is provided with a plurality of receiving slots; The pushing component comprises a rotating rod, a cam piece fixedly connected with the rotating rod and an unlocking piece connected with the tail end of the rotating rod; the rotating rod penetrates through the PCB supporting seat and one end of the rotating rod extends out of the outer surface of the PCB supporting seat; The cam piece is accommodated in the accommodating groove; the unlocking piece is positioned on the outer surface of the PCB supporting seat; The pushing component can drive the rotating rod to rotate when the unlocking component rotates, the rotating rod drives the cam component to rotate between a first position and a second position, and when the cam component is located at the second position, at least one part of the PCB is ejected out of the PCB supporting seat by the cam component. Through the technical scheme, the rotating rod penetrates through each supporting area, the cam pieces are arranged in one-to-one correspondence along the axial direction of the rotating rod, the unlocking pieces can drive all the cam pieces to synchronously rotate, simultaneous pushing of the PCBs in the supporting areas is achieved, synchronous disassembly of the PCBs can be achieved, batch disassembly efficiency is improved, the cam pieces are contained in the containing grooves and hidden in the PCB supporting seats in the non-working state, extra space is not occupied, compactness of the whole structure of the jig can be guaranteed, clamping of the PCBs is not interfered, the unlocking pieces extend out of the outer surfaces of the PCB supporting seats, pushing actions can be achieved by rotating the unlocking pieces by an operator, and convenient disassembly of the PCBs is achieved without additional tools. In some embodiments, the thermocompression bonding jig further comprises a first sliding shaft, a PCB top block, and a first elastic member; One end of the first sliding shaft is connected with the PCB supporting seat, and the other end of the first sliding shaft is spliced with the