CN-117066638-B - T-shaped welding fixture for endoscope camera module

CN117066638BCN 117066638 BCN117066638 BCN 117066638BCN-117066638-B

Abstract

The invention relates to the technical field of camera module tooling clamps, in particular to a T-shaped welding tooling clamp for an endoscope camera module, which comprises a front end plate fixing mechanism and a rear end plate clamping mechanism, wherein the rear end plate clamping mechanism is perpendicular to the front end plate fixing mechanism, a first mounting groove for accommodating a front end plate is formed in the upper surface of the front end plate fixing mechanism, a first positioning column and a first magnet are arranged on the left side and the right side of the mounting groove, the rear end plate clamping mechanism comprises a positioning plate and a clamping plate, a second mounting groove is formed in the front side of the positioning plate, a second positioning column and a second magnet are arranged on the left side and the right side of the second mounting groove, a third magnet and a first positioning hole are respectively formed in the bottom surface of the positioning plate, a clearance groove is formed in the front side of the clamping plate, and a fourth magnet and a second positioning hole are respectively formed in the left side and the right side of the clearance groove. The invention can solve the problem that the existing laser welding positioning jig is difficult to meet the fixing precision of the T-shaped plate and the welding positioning precision of the welding pad.

Inventors

HUANG BING
Peng Penghuan
Lu Qingde
YUAN YI

Assignees

江西盛泰精密光学有限公司

Dates

Publication Date: 20260508
Application Date: 20230906

Claims (6)

1. The T-shaped welding fixture for the endoscope camera module is characterized by comprising a front end plate fixing mechanism and a rear end plate clamping mechanism, wherein the rear end plate clamping mechanism is perpendicular to the front end plate fixing mechanism; The upper surface of the front end plate fixing mechanism is provided with a first mounting groove for accommodating the front end plate and keeping the front end plate in a horizontal posture, and the left side and the right side of the first mounting groove on the front end plate fixing mechanism are respectively provided with a first positioning column and a first magnet; the rear end plate clamping mechanism comprises a positioning plate and a clamping plate; The front side surface of the positioning plate is provided with a second mounting groove penetrating through the upper side and the lower side of the positioning plate and used for accommodating the rear end plate and keeping the rear end plate in a vertical posture, and the left side and the right side of the second mounting groove are respectively provided with a second positioning column and a second magnet; the front side of the clamping plate is provided with a clearance groove matched with the second mounting groove and used for avoiding electronic components on the rear end plate, and the left side and the right side of the clearance groove are respectively provided with a fourth magnet matched with the second magnet and a second positioning hole matched with the second positioning column.
2. The T-shaped welding fixture of an endoscope camera module of claim 1, wherein a third positioning column matched and combined with the positioning through hole on the front end plate is arranged in the first mounting groove.
3. The T-shaped welding fixture of an endoscope camera module of claim 1, wherein the first mounting groove is provided with a plate taking notch for taking and placing a front end plate.
4. The T-shaped welding fixture of an endoscope camera module of claim 1, wherein the depth of the first mounting groove is smaller than the thickness of the front end plate, and a horizontal through groove is formed in the lower bottom surface of the positioning plate.
5. The T-shaped welding fixture of an endoscope camera module of claim 1, wherein mounting holes for integrally fixing the fixture on a laser welding machine platform are formed at two ends of the front end plate fixing mechanism.
6. The T-shaped welding fixture of an endoscope camera module according to claim 1, wherein two first mounting grooves are formed in the upper surface of the front end plate fixing mechanism, and two groups of rear end plate clamping mechanisms are correspondingly arranged.

Description

T-shaped welding fixture for endoscope camera module Technical Field The invention relates to the technical field of camera module fixture, in particular to a T-shaped welding fixture for an endoscope camera module. Background Endoscopes generally refer to medical instruments that enter the human body through various ducts to observe the internal condition of the body. An x-ray invisible lesion can be seen with an endoscope, so that it is very useful for a doctor. Such as by an endoscopist, to view ulcers or tumors in the stomach, whereby an optimal treatment regimen is established. With the rapid development of camera module technology, electronic endoscopes are widely used in various medical clinical scenes at present. The electronic endoscope body head end is internally provided with a miniature high-resolution COMS image photosensitive chip, and the COMS image photosensitive chip is arranged on a front end plate of a T-shaped plate arranged in the electronic endoscope head end and is used for converting an acquired optical signal into an MIPI signal, and then the MIPI signal is converted into an SLVS signal through a chip on a rear end plate of the T-shaped plate, so that the transmission of the acquired signal is realized. As shown in fig. 1, the T-shaped board 300 has a very small external dimension, and the pitch between the pads on the printed circuit board (the pads 303 of the front board 301) and the pads (the pads at the lower end of the rear board 302) is very small, but in order to ensure signal transmission quality, the pads 303 and the pads of the rear board 302 must be welded with high precision, and the pitch between the pads is typically 0.15 to 0.25 mm. At present, a laser tin ball welding machine is used for welding a T-shaped plate, but the traditional welding positioning jig is difficult to meet the requirements of fixing the T-shaped plate and welding positioning accuracy of a welding pad, the welding operation difficulty is high, the signal transmission quality is difficult to ensure after welding, and finally the problems of poor image quality, low image definition and the like transmitted to a video monitor are caused, so that accurate judgment of doctors on the illness state of patients is affected. Disclosure of Invention The invention aims to provide a T-shaped welding fixture for an endoscope camera module, which solves the problem that the existing laser welding positioning fixture is difficult to meet the requirements of T-shaped plate fixing and welding positioning precision of a welding pad. In order to achieve the above purpose, the T-shaped welding fixture for the endoscope camera module comprises a front end plate fixing mechanism and a rear end plate clamping mechanism, wherein the rear end plate clamping mechanism is perpendicular to the front end plate fixing mechanism; The upper surface of the front end plate fixing mechanism is provided with a first mounting groove for accommodating the front end plate and keeping the front end plate in a horizontal posture, and the left side and the right side of the first mounting groove on the front end plate fixing mechanism are respectively provided with a first positioning column and a first magnet; the rear end plate clamping mechanism comprises a positioning plate and a clamping plate; The front side surface of the positioning plate is provided with a second mounting groove penetrating through the upper side and the lower side of the positioning plate and used for accommodating the rear end plate and keeping the rear end plate in a vertical posture, and the left side and the right side of the second mounting groove are respectively provided with a second positioning column and a second magnet; the front side of the clamping plate is provided with a clearance groove matched with the second mounting groove and used for avoiding electronic components on the rear end plate, and the left side and the right side of the clearance groove are respectively provided with a fourth magnet matched with the second magnet and a second positioning hole matched with the second positioning column. Further, a third positioning column matched and combined with the positioning through hole on the front end plate is arranged in the first mounting groove. Further, a plate taking notch for taking and placing the front end plate is formed in the first mounting groove. Further, the depth of the first mounting groove is smaller than the thickness of the front end plate, and a horizontal through groove is formed in the lower bottom surface of the positioning plate. Further, mounting holes for integrally fixing the clamp on the laser welding machine platform are formed in the two ends of the front end plate fixing mechanism. Further, the upper surface of front end plate fixed establishment is equipped with two first mounting grooves, back end plate fixture corresponds to be equipped with two sets of. Principle and advantage: 1. The front end plate fixing