CN216939141U

CN216939141U - PCB auxiliary welding jig

Info

Publication number: CN216939141U
Application number: CN202123205538.0U
Authority: CN
Inventors: 贾明; 伍杰
Original assignee: Sichuan Youlaite Electronic Technology Co ltd
Current assignee: Sichuan Youlaite Electronic Technology Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-07-12
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a PCB auxiliary welding fixture, which comprises a base and a positioning mechanism. The upper front and middle part of the base are sequentially provided with an accommodating groove I and an accommodating groove II from left to right. The accommodating groove I and the accommodating groove II are symmetrical, and the accommodating groove I The surface of the base between the accommodating groove II and the accommodating groove II is provided with accommodating grooves III and accommodating grooves IV in sequence from front to back. The base surface behind the accommodating grooves I, the accommodating grooves II and the accommodating grooves IV is provided with an empty suspension groove, and the empty suspension groove is rectangular. The empty suspension groove is perpendicular to the accommodating groove I and the accommodating groove II, and communicates with the accommodating groove I, the accommodating groove II and the accommodating groove IV, and the positioning mechanism is arranged on the base surface behind the empty suspension groove. The utility model can effectively fix the USB female port on the PCB through the cooperation between the interface groove designed on the positioning seat and the movable positioning pressure block above the interface groove, so as to facilitate the welding of the long pins on the USB female port, so as to accurately with high efficiency welding.

Description

PCB auxiliary welding jig

Technical Field

The utility model belongs to computer case floppy drive position front panel processing equipment, and particularly relates to a PCB auxiliary welding jig applied to floppy drive position front panel processing.

Background

The chassis typically includes a housing, brackets, various switches on the panel, indicator lights, etc. The case is used as a part of computer accessories and has the main function of placing and fixing the computer accessories, thereby having a supporting and protecting function. In addition, the computer case has an important role in shielding electromagnetic radiation.

The case is generally provided with a floppy drive position, a front panel is arranged on the floppy drive position, and the front panel can expand various functional interfaces for the computer. The front panel is composed of a panel shell, a PCB and various interfaces, wherein the various interfaces are fixed on the PCB, and the PCB is fixed on the panel shell. At present, as shown in fig. 3, there is a front panel, where a PCB is provided with 1 audio access pin X-1, 2 USB female ports X-2 and 1 audio3.5 female port X-3, the USB female port is provided with 2 long pins mainly used for grounding, and the USB female port is inserted into the PCB through the 2 long pins and fixed to the PCB by welding. In the welding process of the long pin of the USB female port and the PCB, the manual welding is not easy to align, the efficiency is low, and the automatic welding cannot be matched at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides the PCB auxiliary welding jig which can be applied to the welding of the long pins of the USB female port and the PCB, is accurate in alignment and has high processing efficiency.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the PCB auxiliary welding jig comprises a base and a positioning mechanism, wherein an accommodating groove I and an accommodating groove II are sequentially arranged in the front middle part on the base from left to right, the accommodating groove I and the accommodating groove II are symmetrical, an accommodating groove III and an accommodating groove IV are sequentially arranged on the surface of the base between the accommodating groove I and the accommodating groove II from front to back, the accommodating groove I and the accommodating groove II accommodate a USB female port, the accommodating groove III accommodates an audio access stitch, the accommodating groove IV accommodates an Audio3.5 female port, an empty suspension groove is arranged on the surface of the base behind the accommodating groove I, the accommodating groove II and the accommodating groove IV, the empty suspension groove is a rectangular groove, is perpendicular to the accommodating groove I and the accommodating groove II and is communicated with the accommodating groove I, the accommodating groove II and the accommodating groove IV, and the positioning mechanism is arranged on the surface of the base behind the empty suspension groove;

the positioning mechanism is composed of a positioning device I and a positioning device II, the positioning device I and the positioning device II are consistent in structure and are symmetrically arranged on the surface of a base behind the suspension groove in the left and right directions, the positioning device I and the positioning device II are mainly composed of a mounting seat, a hinged frame, a pull rod and a movable frame, the mounting seat is fixed on the base, the hinged frame is fixed on the mounting seat, the movable frame is L-shaped, the short section end of the movable frame is hinged to the hinged frame, the long section end of the movable frame is provided with a positioning pressing block, one end of the pull rod is hinged to the bending part of the movable frame, a connecting frame is arranged between the pull rod and the hinged frame, the two ends of the connecting frame are respectively hinged to the middle lower parts of the hinged frame and the pull rod, the other end of the pull rod is provided with a handle, and the pull rod, the hinged frame, the connecting frame and the movable frame form a plane connecting rod mechanism;

the adjustable shelf is perpendicular with the empty suspension groove, and the location briquetting on the adjustable shelf of positioner I and positioner II is located holding tank I and II tops of holding tank.

Preferably, a positioning pin is arranged below the positioning pressing block.

Preferably, the movable frame consists of two L-shaped frames, and the long sections of the two L-shaped frames are bent leftwards and rightwards to clamp and position the pressing block.

The use mode and the principle of the utility model are as follows: when the product is used, the long pin of the USB female port is inserted into a PCB, the audio access pin, the USB female port and the Audio3.5 female port are placed in the accommodating groove I, the accommodating groove II, the accommodating groove III and the accommodating groove IV on the base, then the handle pull-down rod of the positioning device is held, the positioning pressing block moves downwards to press the PCB under the action of the link mechanism, so that the USB female port is positioned on the PCB, then the long pin on the USB female port is welded by the welding device, the long pin is fixed on the PCB, after welding is completed, the handle pull-up rod of the positioning device is held, the positioning pressing block moves upwards to be separated from the surface of the PCB under the action of the link mechanism, the PCB is taken out, and welding of the USB female port and the PCB is completed. The PCB is provided with through holes, and positioning pins arranged below the positioning pressing block can be inserted into the through holes to better position the PCB.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the interface groove designed on the positioning seat is matched with the positioning pressing block movable above the interface groove, so that the USB female port is effectively fixed on the PCB, and the long pins on the USB female port are conveniently welded, thereby carrying out accurate and efficient welding.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic diagram of a workpiece machined according to the present invention.

Detailed Description

Embodiment 1, the utility model is further described below with reference to fig. 1 and 2, the PCB auxiliary welding jig includes a base 1 and a positioning mechanism 2, a receiving groove i 3 and a receiving groove ii 4 are sequentially formed in the front middle portion of the base from left to right, the receiving groove i and the receiving groove ii are symmetrical, a receiving groove iii 5 and a receiving groove iv 6 are sequentially formed in the surface of the base between the receiving groove i and the receiving groove ii from front to back, the receiving groove i and the receiving groove ii receive a USB female port, the receiving groove iii receives an audio access pin, the receiving groove iv receives an audio3.5 female port, an empty suspension groove 7 is formed in the surface of the base behind the receiving groove i, the receiving groove ii and the receiving groove iv, the empty suspension groove is a rectangular groove, the empty suspension groove is perpendicular to the receiving groove i and the receiving groove ii and is communicated with the receiving groove i, the receiving groove ii and the receiving groove iv, and the positioning mechanism is disposed on the surface of the base behind the empty suspension groove;

the positioning mechanism consists of a positioning device I21 and a positioning device II 22, the positioning device I and the positioning device II are consistent in structure and are symmetrically arranged on the surface of a base behind the suspension groove in the left and right directions, the positioning device I and the positioning device II mainly consist of a mounting seat 8, a hinged frame 9, a pull rod 10 and a movable frame 11, the mounting seat is fixed on the base, the hinged frame is fixed on the mounting seat, the movable frame is L-shaped, the short section end of the movable frame is hinged on the hinged frame, the long section end of the movable frame is provided with a positioning pressing block 12, one end of the pull rod is hinged at the bending part of the movable frame, a connecting frame 13 is arranged between the pull rod and the hinged frame, the two ends of the connecting frame are respectively hinged on the middle lower parts of the hinged frame and the pull rod, the other end of the pull rod is provided with a handle 14, and the pull rod, the hinged frame, the connecting frame and the movable frame form a plane connecting rod mechanism;

Preferably, a positioning pin 15 is arranged below the positioning pressing block.

Preferably, the movable frame consists of two L-shaped frames, and long sections of the two L-shaped frames are bent leftwards and rightwards to clamp and position the pressing block.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.

Claims

1. A PCB auxiliary welding fixture, including a base (1) and a positioning mechanism (2), is characterized in that: an accommodation slot I (3) and an accommodation slot II (4) are arranged in the front and middle part of the upper base of the base in sequence from left to right. Slot I and accommodating slot II are symmetrical, the base surface between accommodating slot I and accommodating slot II is provided with accommodating slot III (5) and accommodating slot IV (6) in sequence from front to back, accommodating slot I and accommodating slot II accommodate USB Female port, accommodating slot III accommodates the audio access pins, accommodating slot IV accommodates the Audio3.5 female port, and the base surface behind the accommodating slot I, accommodating slot II and accommodating slot IV is provided with an empty suspension slot (7), and the empty suspension slot is A rectangular slot, the empty suspension slot is perpendicular to the accommodation slot I and the accommodation slot II, and communicates with the accommodation slot I, the accommodation slot II and the accommodation slot IV, and the positioning mechanism is arranged on the base surface behind the empty suspension slot;

The positioning mechanism is composed of a positioning device I (21) and a positioning device II (22). The positioning device I and the positioning device II have the same structure and are symmetrically arranged on the base surface behind the air suspension groove. The positioning device I And positioning device II is mainly composed of mounting seat (8), hinged frame (9), pull rod (10) and movable frame (11). The mounting seat is fixed on the base, the hinged frame is fixed on the mounting seat, and the movable frame is "L". ” shape, the short end of the movable frame is hinged on the hinged frame, the long end of the movable frame is provided with a positioning pressure block (12), one end of the pull rod is hinged at the bend of the movable frame, and there is a connection between the pull rod and the hinged frame a frame (13), both ends of the connecting frame are hinged on the hinge frame and the middle and lower part of the pull rod respectively, the other end of the pull rod is provided with a handle (14), and the pull rod, the hinge frame, the connecting frame and the movable frame form a plane linkage mechanism;

The movable frame is perpendicular to the empty suspension groove, and the positioning pressure blocks on the movable frame of the positioning device I and the positioning device II are located above the accommodating groove I and the accommodating groove II.

2 . The PCB auxiliary welding fixture according to claim 1 , wherein a positioning pin ( 15 ) is provided under the positioning pressure block. 3 .

3. The PCB auxiliary welding jig according to claim 1, characterized in that: the movable frame is composed of two "L"-shaped frames, and the long sections of the two "L"-shaped frames are bent to the left and right for clamping and positioning briquetting.