Die for welding multiplexer circuit board

Abstract

The utility model belongs to the technical field of multiplexer welding, and particularly relates to a mould for welding a multiplexer circuit board, which comprises a welding base, a positioning block is fixedly arranged on the upper portion of the welding base, and a fixing hole and a code spraying plane are respectively arranged on the surface of the upper portion of the positioning block. A first limiting groove, a first notch and a second notch are formed in the upper portion of the welding base, and a first mounting groove, a second mounting groove and a second limiting groove are further formed in the surface of the upper portion of the welding base. According to the die for welding the multiplexer circuit board, the action of limiting and fixing a multiplexer circuit board body is achieved by arranging the first limiting groove, the first notch and the second notch, and the action of fixing and supporting pins of the multiplexer circuit board is achieved by arranging the first mounting groove, the second mounting groove and the second limiting groove.

Description

Technical Field

[0001] The utility model relates to the technical field of welding multiplexer circuit boards, in particular to a mold for welding multiplexer circuit boards. Background Art

[0002] A multiplexer circuit board, commonly known as a multiplexer, is an electronic device that can select one signal from multiple input signals and forward it to a single output line, which can improve channel utilization, reduce communication costs, support multiple signal types, and have high reliability and stability.

[0003] When welding a multiplexer circuit board, multiple packaging bases need to be installed. If they are not fixed in a limited position, cold solder joints may easily occur during welding, affecting the use of the completed multiplexer circuit board. In addition, existing molds cannot weld multiple multiplexer circuit boards at the same time, resulting in low welding efficiency. Utility Model Content

[0004] Based on the technical problems that the existing mold cannot be limited and fixed and cannot weld multiple multiplexer circuit boards at the same time, the utility model proposes a mold for welding multiplexer circuit boards.

[0005] The utility model proposes a mold for welding a multiplexer circuit board, comprising a welding base, a positioning block fixedly installed on the upper part of the welding base, a fixing hole and a coding plane respectively provided on the upper surface of the positioning block, a limiting groove 1, a first notch and a second notch respectively provided on the upper part of the welding base, the limiting groove 1, the first notch and the second notch realizing the action of limiting and fixing the main body of the multiplexer circuit board, the upper surface of the welding base further comprising a first mounting groove, a second mounting groove and a limiting groove 2, the first mounting groove, the second mounting groove and the limiting groove 2 realizing the action of fixing and supporting the pins of the multiplexer circuit board.

[0006] Preferably, the positioning block is arranged at the upper part of one end of the welding base, the plurality of fixing holes are arranged in a linear array along the axis of the welding base, the coding plane is arranged between two fixing holes, and the inner side wall of the fixing hole is provided with a threaded surface.

[0007] Through the above technical solution, a fixing hole is set, through which the welding base can be fixedly installed on the welding platform, and a coding plane is set. By spraying model information on the coding plane, the staff can quickly distinguish different welding bases.

[0008] Preferably, the limiting groove 1 is arranged below the positioning block, and the inner bottom surface of the limiting groove 1 is provided with an anti-slip surface.

[0009] Through the above technical solution, a limiting groove 1 is provided, the multiplexer circuit board is placed in the limiting groove 1, and the anti-slip surface performs preliminary limiting on the multiplexer circuit board to prevent it from sliding.

[0010] Preferably, the first notch and the second notch are arranged on the inner bottom surface of the limiting groove one, the two first notches and the two second notches both pass through the welding base, the two first notches and the two second notches separate the limiting groove one, the two second notches are arranged between the two first notches, and the width of the second notch is greater than the width of the first notch.

[0011] Through the above technical solution, the first notch and the second notch are provided, and the widths of the second notch and the first notch are different, so that a plurality of different multiplexer circuit boards can be limited and fixed.

[0012] Preferably, the first mounting groove is arranged above the limiting groove one, and the depth of the first mounting groove is greater than the depth of the limiting groove one, the second mounting groove is arranged above the first mounting groove, and the inner bottom surface of the second mounting groove is in the same plane as the inner bottom surface of the first mounting groove, the limiting groove two is arranged above the second mounting groove, and the two ends of the limiting groove two are arranged as arcs, and the depth of the limiting groove two is less than the depth of the second mounting groove.

[0013] Through the above technical solution, the first mounting groove and the second mounting groove are provided to limit and fix the component pin part on the multiplexer circuit board, thereby preventing the multiplexer circuit board from moving during the welding process and affecting the stability of the welding.

[0014] Preferably, a plurality of the first mounting grooves, a plurality of the second mounting grooves and a plurality of the second limiting grooves are arranged in a linear array along the axis of the welding base.

[0015] Through the above technical solution, a plurality of first mounting grooves, second mounting grooves and limiting grooves are provided to limit and fix a plurality of multiplexer circuit boards.

[0016] The beneficial effects of the present invention are:

[0017] By setting the limiting groove 1, the first notch and the second notch, the action of limiting and fixing the main body of the multiplexer circuit board is achieved. By setting the first installation groove, the second installation groove and the limiting groove 2, the action of fixing and supporting the pins of the multiplexer circuit board is achieved, which solves the technical problems that the existing mold cannot limit and fix and cannot weld multiple multiplexer circuit boards at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of a mold for welding a multiplexer circuit board proposed by the present invention;

[0019] Figure 2 This is a top view of a mold for welding a multiplexer circuit board proposed by the present invention;

[0020] Figure 3 This is an enlarged view of point A of a mold for welding a multiplexer circuit board proposed by the present invention.

[0021] In the figure: 1. Welding base; 2. Positioning block; 3. Fixing hole; 4. Printing plane; 5. Limiting groove 1; 6. First notch; 7. Second notch; 8. First mounting groove; 9. Second mounting groove; 10. Limiting groove 2; 11. Threaded surface; 12. Anti-slip surface. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] Reference Figure 1-Figure 3 A mold for soldering a multiplexer circuit board includes a soldering base 1, a positioning block 2 is fixedly installed on the upper part of the soldering base 1, and a fixing hole 3 and a coding plane 4 are respectively opened on the upper surface of the positioning block 2. A limiting groove 5, a first notch 6 and a second notch 7 are respectively opened on the upper part of the soldering base 1. The limiting groove 5, the first notch 6 and the second notch 7 realize the action of limiting and fixing the main body of the multiplexer circuit board. The upper surface of the soldering base 1 also has a first mounting groove 8, a second mounting groove 9 and a limiting groove 2 10. The first mounting groove 8, the second mounting groove 9 and the limiting groove 2 10 realize the action of fixing and supporting the pins of the multiplexer circuit board.

[0024] The positioning block 2 is arranged at the upper part of one end of the welding base 1, and a plurality of fixing holes 3 are arranged in a linear array along the axis of the welding base 1. The coding plane 4 is arranged between the two fixing holes 3, and the inner wall of the fixing hole 3 is provided with a threaded surface 11; by setting the fixing hole 3, the welding base 1 can be fixedly installed on the welding platform through the fixing hole 3, and the coding plane 4 is set. By spraying model information on the coding plane 4, the staff can quickly distinguish different welding bases 1.

[0025] The limiting groove 5 is set below the positioning block 2, and the inner bottom surface of the limiting groove 5 is provided with an anti-slip surface 12; by setting the limiting groove 5, the multiplexer circuit board is placed in the limiting groove 5, and the anti-slip surface 12 performs preliminary positioning on the multiplexer circuit board to prevent it from sliding.

[0026] The first slot 6 and the second slot 7 are arranged on the inner bottom surface of the limiting slot 1 5 , and the two first slots 6 and the second slot 7 both pass through the welding base 1 , and the two first slots 6 and the two second slots 7 separate the limiting slot 1 5 , and the two second slots 7 are arranged between the two first slots 6 , and the width of the second slot 7 is greater than the width of the first slot 6 ; by setting the first slot 6 and the second slot 7 , and the width of the second slot 7 is different from that of the first slot 6 , a plurality of different multiplexer circuit boards can be limited and fixed.

[0027] The first mounting groove 8 is arranged above the limiting groove 1 5, and the depth of the first mounting groove 8 is greater than the depth of the limiting groove 1 5. The second mounting groove 9 is arranged above the first mounting groove 8, and the inner bottom surface of the second mounting groove 9 is in the same plane as the inner bottom surface of the first mounting groove 8. The limiting groove 2 10 is arranged above the second mounting groove 9, and the two ends of the limiting groove 2 10 are arranged as arcs, and the depth of the limiting groove 2 10 is less than the depth of the second mounting groove 9. By setting the first mounting groove 8 and the second mounting groove 9, the component pin part on the multiplexer circuit board is limited and fixed to prevent the multiplexer circuit board from moving during the welding process and affecting the stability of the welding.

[0028] Multiple first mounting grooves 8, multiple second mounting grooves 9 and multiple limiting grooves 10 are arranged in a linear array along the axis of the welding base 1; multiple multiplexer circuit boards are limited and fixed by setting multiple first mounting grooves 8, second mounting grooves 9 and limiting grooves 10.

[0029] Working principle: During use, first observe the model information on the inkjet coding plane 4, take the appropriate welding base 1, and fix the welding base 1 on the welding plane through the fixing hole 3 and the fixing bolt. Then place the multiplexer circuit board to be welded in the limiting groove 5. The anti-slip surface 12 on the bottom surface of the limiting groove performs preliminary limiting on the multiplexer circuit board to prevent it from sliding. Through the first slot 6 and the second slot 7, and the width of the second slot 7 is different from that of the first slot 6, multiple different multiplexer circuit boards are limited and fixed. The first mounting slot 8 and the second mounting slot 9 limit and fix the component pin part on the multiplexer circuit board to prevent the multiplexer circuit board from moving during the welding process and affecting the stability of the welding.

[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mold for welding a multiplexer circuit board, comprising a welding base (1), characterized in that: A positioning block (2) is fixedly mounted on the upper portion of the welding base (1), and a fixing hole (3) and a coding plane (4) are respectively provided on the upper surface of the positioning block (2). A limiting groove (5), a first notch (6) and a second notch (7) are respectively provided on the upper portion of the welding base (1), and the limiting groove (5), the first notch (6) and the second notch (7) realize the action of limiting and fixing the main body of the multiplexer circuit board. A first mounting groove (8), a second mounting groove (9) and a limiting groove (10) are also provided on the upper surface of the welding base (1), and the first mounting groove (8), the second mounting groove (9) and the limiting groove (10) realize the action of fixing and supporting the pins of the multiplexer circuit board.

2. The mold for welding a multiplexer circuit board according to claim 1, characterized in that: The positioning block (2) is arranged at the upper portion of one end of the welding base (1), the plurality of fixing holes (3) are arranged in a linear array along the axis of the welding base (1), the coding plane (4) is arranged between two fixing holes (3), and the inner side wall of the fixing hole (3) is provided with a threaded surface (11).

3. The mold for welding a multiplexer circuit board according to claim 1, characterized in that: The limiting groove one (5) is arranged below the positioning block (2), and the inner bottom surface of the limiting groove one (5) is provided with an anti-slip surface (12).

4. The mold for welding a multiplexer circuit board according to claim 1, characterized in that: The first notch (6) and the second notch (7) are arranged on the inner bottom surface of the limiting groove (5), the two first notches (6) and the two second notches (7) both pass through the welding base (1), the two first notches (6) and the two second notches (7) separate the limiting groove (5), the two second notches (7) are arranged between the two first notches (6), and the width of the second notch (7) is greater than the width of the first notch (6).

5. The mold for welding a multiplexer circuit board according to claim 1, characterized in that: The first mounting groove (8) is arranged above the limiting groove (5), and the depth of the first mounting groove (8) is greater than the depth of the limiting groove (5); the second mounting groove (9) is arranged above the first mounting groove (8), and the inner bottom surface of the second mounting groove (9) is in the same plane as the inner bottom surface of the first mounting groove (8); the limiting groove (10) is arranged above the second mounting groove (9), and both ends of the limiting groove (10) are arranged as arcs, and the depth of the limiting groove (10) is less than the depth of the second mounting groove (9).

6. The mold for welding a multiplexer circuit board according to claim 1, characterized in that: A plurality of the first mounting grooves (8), a plurality of the second mounting grooves (9) and a plurality of the second limiting grooves (10) are arranged in a linear array along the axis of the welding base (1).

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