Laser welding auxiliary jig with novel structure

Abstract

The utility model discloses a laser welding auxiliary jig with a novel structure, which relates to the technical field of USB (universal serial bus) terminal production, and comprises a base, the rear end of the base is connected with a turnover pressing plate, a plurality of base inserts, a plurality of pressing blocks and a shifting block are respectively accommodated in the base, a plurality of pressing springs are arranged in the front end of the base, and the pressing springs are connected with the pressing plate. A cover plate is installed at the front end of the base, the front end of the cover plate is rotationally connected with a handle, the rear end of the handle is rotationally connected with a pull rod, and the pull rod penetrates through the cover plate and then is connected with the shifting block. According to the jig, on the premise that the jig is provided with a plurality of stations for containing the USB terminals and the hardware parts, the clamping and fixing structure of the jig is improved, so that the jig can position and fix the USB terminals and the hardware parts in the plurality of stations at the same time, and compared with the mode that workers position and fix the USB terminals and the hardware parts one by one in the prior art, the working efficiency is greatly improved. According to the jig, the efficiency is greatly improved, and the requirement for large-batch welding of USB terminals and hardware can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of USB terminal production, in particular to a laser welding auxiliary jig with a novel structure. Background Technique

[0002] In the production process of USB terminals (especially electronic connectors for data transmission and signal connection), welding hardware parts to USB terminals is a key process step. The accuracy and efficiency of this step directly affect the quality and production cost of the final product. Currently, this processing mainly relies on a laser welding machine, which utilizes the high energy density and precise controllability of the laser beam to achieve high-quality welding between the hardware parts and the USB terminals without damaging the internal structure of the USB terminals.

[0003] However, in the existing production process, in order to improve the accuracy of the position where the hardware parts are welded to the USB terminals, it is usually necessary to pre-place the USB terminals and the hardware parts in a specific jig. These jigs precisely position the USB terminals and the hardware parts through a precise mechanical structure to ensure the accuracy and consistency of welding. However, the currently widely used jig structures have significant limitations. For example, although there are multiple welding stations designed inside the existing jigs to improve production efficiency, in actual operation, workers need to position and fix the USB terminals and the hardware parts in each station one by one. Since each station requires separate positioning and fixing operations, the preparation time and operation time of the entire welding process are greatly extended. In the context of modern large-scale production, this low-efficiency production method obviously cannot meet the market demand. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a laser welding auxiliary jig with a novel structure, which solves the problems raised in the above background technique.

[0005] To achieve the above purposes, the utility model is realized through the following technical solutions: A laser welding auxiliary jig with a novel structure, including a base, a flip-up pressing plate is connected to the rear end of the base, a plurality of base inserts, a plurality of pressing blocks and a shifting block are respectively accommodated inside the base, a plurality of pressing springs are arranged inside the front end of the base, the pressing springs can push the pressing blocks to move, so as to clamp and fix the USB terminals on the base inserts, a cover plate is installed at the front end of the base, a handle is rotatably connected to the front end of the cover plate, a screw is arranged inside the pressing spring, after the end of the screw penetrates through the pressing block, it is connected to the shifting block through a thread, a pull rod is rotatably connected to the rear end of the handle, and after the pull rod penetrates through the cover plate, it is connected to the shifting block.

[0006] Further, a first pin shaft is inserted through the bases and the pressing plates. The bases and the pressing plates can rotate relative to each other through the first pin shaft. A plurality of pressing blocks are connected to the front ends of the pressing plates.

[0007] Further, a plurality of first reserved grooves, a plurality of second reserved grooves and a third reserved groove are respectively arranged inside the base. The base insert is located inside the first reserved groove. The pressing block is located inside the second reserved groove. The dial block is located inside the third reserved groove.

[0008] Further, a second pin shaft is inserted through the cover plate, the handle and the pull rod. The cover plate, the handle and the pull rod can rotate relative to each other through the second pin shaft.

[0009] Further, oval holes are formed at the joints of the cover plate with the pull rod and the handle. When the handle rotates, it can drive the whole of the pull rod and the dial block to move, so as to reversely push the pressing block away from the base insert.

[0010] Further, a pin hole through which the second pin shaft can be inserted is formed at the rear end of the handle. The distance from the center of the pin hole to the bottom is greater than the distance from the center to the end.

[0011] The utility model provides a laser welding auxiliary jig with a novel structure. Compared with the prior art, the following beneficial effects are achieved:

[0012] For the laser welding auxiliary jig with the novel structure, on the premise that the jig has a plurality of stations for accommodating USB terminals and hardware parts, by improving the clamping and fixing structure of the jig, the jig can simultaneously position and fix the USB terminals and the hardware parts at a plurality of stations. Compared with the prior art in which the staff positions and fixes them one by one, the jig not only greatly improves the efficiency, but also can meet the mass welding requirements of the USB terminals and the hardware parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a disassembled schematic diagram of the utility model;

[0014] Figure 2 is a schematic diagram of the USB terminals and the hardware parts of the utility model in an unfixed state;

[0015] Figure 3 is a schematic diagram of the USB terminals and the hardware parts of the utility model in a fixed state;

[0016] Figure 4 is a schematic diagram of the position of the pin hole on the handle of the utility model;

[0017] Figure 5 is a schematic diagram of the structure of the base of the utility model;

[0018] Figure 6 This is a schematic diagram of the state of the USB terminal and the hardware of the present utility model from the un-welded state to the welded state.

[0019] In the figure: 1, base; 101, first reserved groove; 102, second reserved groove; 103, third reserved groove; 2, first pin shaft; 3, pressing plate; 31, pressing block; 4, base insert; 5, shifting block; 6, pressing block; 7, cover plate; 71, oval hole; 8, pressing spring; 9, screw; 10, pull rod; 11, second pin shaft; 12, handle; 121, pin hole; 13, hardware; 14, USB terminal. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figure 1-6 , the present utility model provides a technical solution: a laser welding auxiliary jig with a new structure, which is composed of a base 1, a first pin shaft 2, a pressing plate 3, four base inserts 4, a shifting block 5, four pressing blocks 6, a cover plate 7, four pressing springs 8, screws 9, a pull rod 10, a second pin shaft 11 and a handle 12. Among them, the first pin shaft 2 is inserted at the connection of the base 1 and the pressing plate 3. After having the first pin shaft 2, the pressing plate 3 can rotate on the base 1 with the first pin shaft 2 as the center. Four first reserved grooves 101, four second reserved grooves 102 and a third reserved groove 103 are respectively arranged inside the base 1. The four base inserts 4 are exactly located inside the four first reserved grooves 101. The four pressing blocks 6 are located inside the four second reserved grooves 102 and can move. The shifting block 5 is located inside the third reserved groove 103 and can move;

[0022] Before each laser welding process, four USB terminals 14 need to be placed on the upper parts of the four base inserts 4 first, and a hardware 13 to be welded to each USB terminal 14 also needs to be placed on the upper part. The bottom edge of the pressing plate 3 is connected with four groups of pressing blocks 31. The distance between two pressing blocks 31 in each group is exactly adapted to the length of the hardware 13. That is to say, after the pressing plate 3 is turned down, the pressing plate 13 can restrict the vertical position of the hardware 13, and the hardware 13 is just positioned between two pressing blocks 31 in each group, and can also restrict the horizontal position of the hardware 13;

[0023] The cover plate 7 is installed at the front end of the base 1. Four compression springs 8 are located in the reserved holes inside the front end of the base 1. The front ends of the four compression springs 8 abut against the cover plate 7, and the rear ends abut against the four pressing blocks 6. Four screws 9 are movably arranged inside the cover plate 7. The ends of the screws 9 sequentially penetrate through the inside of the compression springs 8 and the pressing blocks 6. Finally, the threaded ends of the screws 9 are connected to the threaded holes reserved inside the dial block 5. Also, two pull rods 10 are movably arranged inside the cover plate 7. The ends of the pull rods 10 are connected to the dial block 5. The handle 12 is rotatably connected to the front end of the cover plate 7. A second pin shaft 11 is inserted through the cover plate 7, the pull rod 10, and the handle 12. Oval holes 71 are opened at the connection positions of the cover plate 7 with the pull rod 10 and the handle 12. A pin hole 121 through which the second pin shaft 11 can be inserted is opened at the rear end of the handle 12. The distance from the center of the pin hole 121 to the bottom is greater than the distance from the center to the end (that is, A > B, please refer to Figure 4 ). Due to this eccentric design, when the handle 12 rotates from the vertical to the horizontal, the whole of the pull rod 10 and the dial block 5 can be pulled forward, thereby reversely pushing the pressing block 6 forward to move away from the base insert 4. At this time, the pressing block 6 will not clamp the USB terminal 14, and the compression spring 8 is in a compressed state. Similarly, when the handle 12 rotates from the horizontal upward to the vertical, the pull rod 10 pushes the dial block 5 backward. At this time, the pressing block 6 will move backward under the reverse push of the compression spring 8. After moving backward, the pressing block 6 clamps and fixes the USB terminal 14, and thus the fixation of the hardware part 13 and the USB terminal 14 can be completed before laser welding.

Claims

1. A laser welding auxiliary fixture of a novel structure, comprising a base (1), characterized in that: The rear end of the base (1) is connected to a reversible pressure plate (3), and the interior of the base (1) respectively accommodates a plurality of base inserts (4), a plurality of clamping blocks (6) and a shifting block (5). The interior of the front end of the base (1) is provided with a plurality of clamping springs (8), and the clamping springs (8) can push the clamping block (6) to move, thereby clamping and fixing the USB terminal on the base insert (4). The front end of the base (1) is installed with a cover plate (7), and the front end of the cover plate (7) is rotatably connected to a handle (12). The interior of the clamping spring (8) is provided with a screw (9), and the end of the screw (9) passes through the clamping block (6) and is connected to the shifting block (5) through a thread. The rear end of the handle (12) is rotatably connected to a pull rod (10), and the pull rod (10) passes through the cover plate (7) and is connected to the shifting block (5).

2. According to the novel structure of the laser welding auxiliary fixture of claim 1, it is characterized in that: A first pin shaft (2) is interspersed in the interior of the base (1) and the pressing plate (3), and the base (1) and the pressing plate (3) can be relatively rotated via the first pin shaft (2). A plurality of pressing blocks (31) are connected to the front end of the pressing plate (3).

3. According to the novel structure of the laser welding auxiliary jig of claim 1, it is characterized in that: A plurality of first reserved grooves (101), a plurality of second reserved grooves (102) and a third reserved groove (103) are respectively arranged inside the base (1); the base insert (4) is located inside the first reserved groove (101); the pressing block (6) is located inside the second reserved groove (102); and the shifting block (5) is located inside the third reserved groove (103).

4. According to the novel structure of the laser welding auxiliary jig of claim 1, it is characterized in that: A second pin shaft (11) is interspersed inside the cover plate (7), the handle (12), and the pull rod (10), and the cover plate (7), the handle (12), and the pull rod (10) can be relatively rotated by the second pin shaft (11).

5. According to the novel structure of the laser welding auxiliary jig of claim 4, it is characterized in that: An elliptical hole (71) is provided at the connection between the cover plate (7) and the pull rod (10) and the handle (12). When the handle (12) is rotated, it can pull the pull rod (10) and the shift block (5) as a whole to move, thereby pushing the pressing block (6) in the opposite direction away from the base insert (4).

6. According to the novel structure of the laser welding auxiliary jig of claim 4, it is characterized in that: A pin hole (121) is provided at the rear end of the handle (12) for the second pin shaft (11) to pass through, and the distance between the center of the pin hole (121) and the bottom is greater than the distance between the center and the end.

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