Precise pin header auxiliary welding device

Abstract

The utility model relates to the technical field of auxiliary welding, in particular to a precise pin header auxiliary welding device. According to the technical scheme, the device comprises a bottom plate and supporting columns, stand columns are symmetrically installed at the positions, close to the front surface and the rear surface, of one side of the upper surface of the bottom plate, a lower cover plate is installed between the two stand columns through a rotating shaft, and supporting strips are installed at the positions, above the rotating shaft, of the upper surface of the lower cover plate; an upper cover plate is mounted on the upper surfaces of the supporting strips through hinges, a welding opening is formed in the upper surface of the lower cover plate, L-shaped plates are symmetrically mounted on the sides, away from the supporting strips, of the upper surface of the lower cover plate through screws and close to the front surface and the rear surface, and supporting columns are mounted on the upper surface of the bottom plate and close to the outer sides of the two stand columns; the positions, close to the inner sides, of the upper surfaces of the two supporting columns are each provided with an inclined face. According to the utility model, the circuit board can be fixed before the pin header is welded, the circuit board is prevented from shaking in the welding process, and the welding precision and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary welding, in particular to a precision pin-row auxiliary welding device. Background Art

[0002] Pin headers are widely used in PCB board connections and are known as universal connectors. They are usually paired with female headers, wire terminals and other connectors. This type of connector is widely used in PCB circuit boards in electronics, electrical appliances, and instruments. Its function is to bridge the blocked circuits or isolated circuits within the circuit, and to take on the task of current or signal transmission. It is usually used in conjunction with female headers to form a board-to-board connection; or used in conjunction with electronic wiring harness terminals to form a board-to-wire connection; it can also be used independently for board-to-board connection.

[0003] In the existing production technology, the circuit board is usually placed directly on the workbench for pin header welding. The circuit board is easy to shake during welding, and the circuit board cannot be kept stable during welding, which reduces the welding quality and cannot achieve product quality. Therefore, we propose a precision pin header auxiliary welding device. Utility Model Content

[0004] The purpose of the utility model is to provide a precision pin header auxiliary welding device, which has the advantages of being able to fix the circuit board before pin header welding, preventing the circuit board from shaking during welding, and improving welding accuracy and quality. It solves the problem in the existing production technology that the circuit board is usually placed directly on the workbench for pin header welding, the circuit board is prone to shaking during welding, and the circuit board cannot be kept stable during welding, which reduces the welding quality and cannot achieve product quality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precision pin row auxiliary welding device, comprising a base plate and support columns, wherein upright columns are symmetrically installed at positions near the front surface and the rear surface on one side of the upper surface of the base plate, a lower cover plate is installed between the two upright columns via a rotating shaft, a support bar is installed at a position above the rotating shaft on the upper surface of the lower cover plate, an upper cover plate is installed on the upper surface of the support bar via a hinge, a welding port is provided on the upper surface of the lower cover plate, an L-shaped plate is symmetrically installed at positions near the front surface and the rear surface on the side of the upper surface of the lower cover plate away from the support bar via screws, support columns are installed at positions near the outer sides of the two upright columns on the upper surface of the base plate, and inclined surfaces are provided at positions near the inner sides of the upper surfaces of the two support columns.

[0006] Preferably, a rectangular opening is provided at the middle position of the upper surface of the base plate to reduce the weight of the base plate and provide an escape space when the upper cover plate and the lower cover plate rotate.

[0007] Preferably, rubber pads are installed on the lower surface of the base plate near the four corners to support the base plate.

[0008] Preferably, the upper surface of the lower cover plate is provided with raising columns near the front surface and the rear surface.

[0009] Preferably, buffer cotton blocks are installed on the upper surface of the lower cover plate near the front surface and the rear surface, which play a buffering role when the upper cover plate rotates to cover the lower cover plate, thereby preventing the circuit board and its electronic components on the lower cover plate from being damaged by impact.

[0010] Preferably, grooves are provided at four corners of the upper surface of the lower cover plate near the welding port, and support sheets are installed inside the four grooves to support the circuit board on the lower cover plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model achieves the effect of fixing the circuit board before the pin header is welded, preventing the circuit board from shaking during welding, and improving the welding precision and quality by arranging a bottom plate, a support column, an inclined surface, a column, a lower cover plate, a welding port, an upper cover plate and an L-shaped plate. The circuit board is placed on the lower cover plate, and the pin header is inserted. After the insertion is completed, the upper cover plate is rotated so that the upper cover plate and the lower cover plate are covered together, the L-shaped plate is rotated to hook and fix the upper cover plate, and the upper cover plate and the lower cover plate are rotated so that the upper surface of the upper cover plate contacts the inclined surface on the support column, so that the circuit board and the horizontal plane form an angle of 45 degrees, which is convenient for the welding of the pin header. At the same time, the circuit board will not shake during the welding process, thereby improving the welding precision and quality.

[0013] 2. The utility model provides a buffer cotton block, which plays a buffering role when the upper cover plate rotates and covers the lower cover plate, thereby preventing the circuit board and the electronic components on the lower cover plate from being damaged by impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0015] Figure 2 For this utility model Figure 1 A is a schematic diagram of the enlarged structure of the middle part;

[0016] Figure 3 It is a schematic diagram of the top view of the lower cover plate of the utility model.

[0017] Figure numerals: 1. rubber pad; 2. bottom plate; 3. support column; 4. inclined plane; 5. support bar; 6. hinge; 7. lower cover plate; 8. upper cover plate; 9. raising column; 10. welding mouth; 11. L-shaped plate; 12. screw; 13. column; 14. rotating shaft; 15. rectangular mouth; 16. buffer cotton block; 17. groove; 18. support plate. DETAILED DESCRIPTION

[0018] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] like Figures 1 to 3 As shown, the utility model proposes a precision pin row auxiliary welding device, a base plate 2 and a support column 3, a column 13 is symmetrically installed at one side of the upper surface of the base plate 2 near the front surface and the rear surface, a lower cover plate 7 is installed between the two columns 13 through a rotating shaft 14, a support bar 5 is installed on the upper surface of the lower cover plate 7 above the rotating shaft 14, an upper cover plate 8 is installed on the upper surface of the support bar 5 through a hinge 6, a welding port 10 is provided on the upper surface of the lower cover plate 7, an L-shaped plate 11 is symmetrically installed at the side of the upper surface of the lower cover plate 7 away from the support bar 5 near the front surface and the rear surface through screws 12, the screws 12 pass through the L-shaped plate 11, and the L-shaped plate 11 can rotate with the screws 12 as the axis, and a pad column 9 is installed at the upper surface of the lower cover plate 7 near the front surface and the rear surface to prevent the circuit board on the lower cover plate 7 from being pressed. Buffer cotton blocks 16 are installed near the front surface and the rear surface, which play a buffering role when the upper cover 8 rotates to cover the lower cover 7, thereby preventing the circuit board and its electronic components on the lower cover 7 from being damaged by impact. Support columns 3 are installed near the outer positions of the two columns 13 on the upper surface of the bottom plate 2, and inclined surfaces 4 are provided near the inner positions of the upper surfaces of the two support columns 3. A rectangular opening 15 is provided in the middle position of the upper surface of the bottom plate 2 to reduce the weight of the bottom plate 2. At the same time, there is avoidance space when the upper cover 8 and the lower cover 7 rotate. Rubber pads 1 are installed near the four corners of the lower surface of the bottom plate 2 to play a supporting role. Grooves 17 are provided at the four corners of the upper surface of the lower cover 7 near the welding port 10, and support sheets 18 are installed inside the four grooves 17 to support the circuit board on the lower cover 7.

[0020] When the utility model is in use, the circuit board is placed on the lower cover plate 7, and then the pin header is inserted. After the insertion is completed, the upper cover plate 8 is rotated so that the upper cover plate 8 and the lower cover plate 7 are covered together, and the L-shaped plate 11 is rotated to hook and fix the upper cover plate 8, and the upper cover plate 8 and the lower cover plate 7 are rotated so that the upper surface of the upper cover plate 8 contacts the inclined surface 4 on the support column 3, so that the circuit board and the horizontal plane form a 45-degree angle, which is convenient for the welding of the pin header. At the same time, the circuit board will not shake during the welding process, thereby improving the welding accuracy and quality.

[0021] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A precision pin-row auxiliary welding device, comprising a base plate (2) and a support column (3), Features: A column (13) is symmetrically installed on one side of the upper surface of the base plate (2) near the front surface and the rear surface, a lower cover plate (7) is installed between the two columns (13) via a rotating shaft (14), a support bar (5) is installed on the upper surface of the lower cover plate (7) at a position above the rotating shaft (14), an upper cover plate (8) is installed on the upper surface of the support bar (5) via a hinge (6), a welding opening (10) is provided on the upper surface of the lower cover plate (7), an L-shaped plate (11) is symmetrically installed on the side of the upper surface of the lower cover plate (7) away from the support bar (5) near the front surface and the rear surface via screws (12), a support column (3) is installed on the upper surface of the base plate (2) near the outer sides of the two columns (13), and an inclined surface (4) is provided on the upper surfaces of the two support columns (3) near the inner sides.

2. A precision pin header auxiliary welding device according to claim 1, Features: A rectangular opening (15) is provided at the middle position of the upper surface of the bottom plate (2).

3. A precision pin header auxiliary welding device according to claim 1, Features: Rubber pads (1) are installed on the lower surface of the bottom plate (2) near the four corners.

4. A precision pin header auxiliary welding device according to claim 1, Features: The upper surface of the lower cover plate (7) is provided with raising columns (9) at positions close to the front surface and the rear surface.

5. A precision pin header auxiliary welding device according to claim 1, Features: Buffer cotton blocks (16) are installed on the upper surface of the lower cover plate (7) at positions close to the front surface and the rear surface.

6. A precision pin header auxiliary welding device according to claim 1, Features: Grooves (17) are provided at four corners of the upper surface of the lower cover plate (7) close to the welding opening (10), and support sheets (18) are installed inside the four grooves (17).

Images