Semi-flexible cable assembly batch welding tool and welding method

By designing batch welding tooling and welding methods for semi-flexible cable assemblies, using limit seats and tightening parts to weld multiple semi-flexible cable assemblies at one time in the reflow furnace, the traditional problem of time and cost of welding is solved, and the problem of one-by-one welding is achieved. Efficient welding process.

CN119260093APending Publication Date: 2025-01-07WUXI HUACE ELECTRONICS SYST
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Patent Information

Application Number
CN202411396387.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-08
Publication Date
2025-01-07

AI Technical Summary

Technical Problem

In the prior art, the connection of semi-flexible cable assemblies of multi-module combined microwave products requires brazing one by one, resulting in a large amount of time spent in large batches, increasing production costs and reducing efficiency.

Method used

Design a batch welding tool for semi-flexible cable assemblies, including limit seats and bases. Through split limit seats and hoop parts, multiple semi-flexible cable assemblies are welded at one time by reflow furnaces, avoiding the traditional one-by-one welding time. and cost issues.

Benefits of technology

It greatly reduces working hours, saves production costs, and avoids loosening and misalignment when limit block combinations through design, improving welding efficiency and accuracy.

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Abstract

The invention discloses a semi-flexible cable assembly batch welding tool and a welding method. The tool comprises a limiting base and a base matched with the limiting base. The base and the limiting seat are respectively provided with a plurality of corresponding first limiting grooves and second limiting grooves, and the bottom of each first limiting groove is provided with a through groove penetrating through the limiting seat; the limiting base is composed of a plurality of middle limiting blocks and two sets of end limiting blocks located on the side portions of the middle limiting blocks, and the first limiting groove and the through groove are half-and-half separated through the middle limiting blocks and the end limiting blocks. According to the semi-flexible cable assembly welding tool, the base and the split type limiting base matched with the base are designed, welding of a flange plate and a silver-plated wire protecting sleeve in a semi-flexible cable assembly is completed, and compared with a traditional one-by-one welding mode through brazing, a large batch of semi-flexible cable assemblies can be placed in the welding tool, so that the welding efficiency is greatly improved; and the semi-flexible cable assemblies are welded in a reflow soldering furnace, so that a plurality of semi-flexible cable assemblies can be welded at one time.
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Description

Technical Field

[0001] The invention relates to the field of microwaves, in particular to a batch welding tool and a welding method for semi-flexible cable components. Background Art

[0002] Usually, semi-flexible cable assemblies are required to connect the modules of multi-module combined microwave products.

[0003] At present, when operators make cable assemblies, they usually weld them one by one by brazing.

[0004] When the number of cable components is large, the traditional brazing method of welding one by one will consume a lot of time, incur large labor costs, and result in high production costs and low efficiency. Summary of the invention

[0005] Purpose of the invention: To provide a semi-flexible cable assembly batch welding tool and welding method to solve the above-mentioned problems existing in the prior art.

[0006] Technical solution: A semi-flexible cable assembly batch welding tool, including:

[0007] A limit seat, and a base adapted to the limit seat;

[0008] The base and the limiting seat are respectively provided with a plurality of corresponding first limiting grooves and second limiting grooves, and the bottom of each first limiting groove is provided with a through groove penetrating the limiting seat;

[0009] The limiting seat is composed of a plurality of middle limiting blocks and two groups of end limiting blocks located at the sides of the middle limiting blocks. The middle limiting blocks and the end limiting blocks divide the first limiting groove and the through groove into halves.

[0010] The present invention completes the welding of the flange and the silver-plated wire sheath in the semi-flexible cable assembly by designing a base and a split limit seat adapted to the base. Compared with the traditional one-by-one welding method through brazing, the present application can place a large number of semi-flexible cable assemblies in the welding tooling, and put the work into the reflow soldering furnace for welding. Multiple semi-flexible cable assemblies can be welded at one time, which greatly reduces the working hours and saves the production cost.

[0011] In a further embodiment, hoop grooves are formed on the multiple groups of middle limit blocks and any group of end limit blocks.

[0012] In a further embodiment, the limit seat is provided with a clamping piece adapted to the clamp groove and used to fix a plurality of middle limit blocks and two groups of end limit blocks.

[0013] In a further embodiment, the clamping member comprises:

[0014] A clamping column frame is located in the clamping groove and is adapted to the clamping groove, and the end of the clamping column frame is threaded;

[0015] A clamping plate, arranged at the end of the clamping column frame;

[0016] The clamping nut is sleeved on the clamping column frame and is adapted to the thread.

[0017] By designing the clamping piece, the loosening phenomenon that occurs when the middle limit block and the end limit block are combined and welded is avoided.

[0018] In a further embodiment, the middle limit block is provided with a middle adapting column on one side and a middle adapting groove on the other side;

[0019] The side of the end limit block is provided with an end adapter column, and the bottom is provided with a positioning pin;

[0020] A positioning hole matched with the positioning pin is provided on the top of the base.

[0021] By designing the middle adapter column and the middle adapter groove, multiple middle limit blocks can be combined to avoid up and down misalignment;

[0022] By designing the end adapter column, when the end limit block is combined with the middle limit block, up and down misalignment is avoided.

[0023] By designing positioning pins and positioning holes, misalignment can be avoided when the limit block and the base are combined with each other.

[0024] In a further embodiment, the first limiting groove, the second limiting groove, and the through groove are used to place the semi-flexible cable assembly.

[0025] In a further embodiment, the semi-flexible cable assembly comprises:

[0026] Inner conductor;

[0027] A silver-plated wire sheath, which is sleeved on the inner conductor and is adapted to the through slot;

[0028] The first flange and the second flange are respectively arranged at two ends of the silver-plated wire sheath, the first flange is matched with the first limiting groove, and the second flange is matched with the second limiting groove.

[0029] A method for batch welding of semi-flexible cable assemblies, comprising:

[0030] Step 1, assembling the limit seat, combining multiple middle limit blocks with each other through the middle adapter column and the middle adapter groove, and combining the end limit blocks with the middle adapter groove of the outermost middle limit block through the end adapter column, and tightening them with the clamping piece. When tightening, the clamping column frame is pressed against one end limit block, and the clamping plate is pressed against the other end limit block, and the clamping column frame is passed through the clamping plate, and fixed by the clamping nut to complete the assembly of the limit seat;

[0031] Step 2, high temperature welding, put the second flange into the second limit groove one by one, connect the positioning pin of the combined limit seat with the positioning hole of the base, apply high temperature solder on one end of the cable, the curing temperature is 250℃, insert it into the through groove one by one, the cable will be automatically inserted into the second flange, put the tooling into the reflow oven for 5 minutes (the temperature of the reflow oven is the curing temperature suitable for high temperature solder at this time), cool to room temperature, and then complete the welding of one end of the flexible cable assembly;

[0032] Step 3, low-temperature soldering, apply low-temperature solder on the other end of the cable, the curing temperature is 180°C, prevent the solder on the welded end from melting, put the first flange into the first limiting groove, and put it on the end of the cable coated with low-temperature solder, put the tooling into the reflow oven again for 5 minutes (at this time, the temperature of the reflow oven is suitable for the curing temperature of the low-temperature solder), cool to room temperature, and then complete the welding of the other end of the flexible cable assembly;

[0033] Step 4: After welding is completed, loosen the clamping of the clamping piece on the limit seat, and then separate the end limit block, the middle limit block and the welded flexible cable assembly one by one.

[0034] Beneficial effect: The present invention discloses a semi-flexible cable assembly batch welding tool and welding method. The present invention completes the welding of the flange and the silver-plated wire sheath in the semi-flexible cable assembly by designing a base and a split limit seat adapted to the base. Compared with the traditional one-by-one welding method by brazing, the present application can place a large number of semi-flexible cable assemblies in the welding tool, and put the work into a reflow soldering furnace for welding. Multiple semi-flexible cable assemblies can be welded at one time, which greatly reduces the working hours and saves production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a structural schematic diagram of the present invention.

[0036] Figure 2 It is a cross-sectional schematic diagram of the present invention.

[0037] Figure 3 It is a schematic diagram of the structure of the first limiting groove and the second limiting groove of the present invention.

[0038] Figure 4It is a schematic diagram of the structure of the limit seat and the clamping member of the present invention.

[0039] Figure 5 It is a schematic diagram of the semi-flexible cable assembly of the present invention when it is placed in the second limiting groove.

[0040] The accompanying drawings are marked as follows:

[0041] 1. Limit seat; 11. End limit block; 111. End adapter column; 12. Middle limit block; 121. Middle adapter column; 13. First limit groove; 14. Hoop groove;

[0042] 2. semi-flexible cable assembly; 21. inner conductor; 22. silver-plated sheath; 23. first flange; 24. second flange;

[0043] 3. Base; 31. Second limiting groove;

[0044] 4. Clamping piece; 41. Clamping plate; 42. Clamping column frame; 43. Clamping nut. DETAILED DESCRIPTION

[0045] The present application relates to a semi-flexible cable assembly batch welding tool and welding method, which is explained in detail below through specific implementation methods.

[0046] A semi-flexible cable assembly batch welding tool, comprising:

[0047] A limiting seat 1, and a base 3 adapted to the limiting seat 1;

[0048] The base 3 and the limiting seat 1 are respectively provided with a plurality of corresponding first limiting grooves 13 and second limiting grooves 31, and the bottom of each first limiting groove 13 is provided with a through groove penetrating the limiting seat 1;

[0049] The first limiting groove 13, the second limiting groove 31 and the through groove can be designed at 81 locations respectively;

[0050] The first limiting groove 13 and the second limiting groove 31 both include a rectangular groove and a circular groove;

[0051] The rectangular groove can clamp the first flange 23 and the second flange 24;

[0052] The circular groove of the second limiting groove 31 is adapted to the cylindrical part of the inner second flange 24 and to make way for the inner conductor 21, so as to prevent the inner conductor 21 from hitting the base 3 and bending. Figure 5 shown.

[0053] The circular groove of the first limiting groove 13 is adapted to the cylindrical part of the first flange 23;

[0054] The first limiting groove 13 and the second limiting groove 31 are used to prevent the cable from bending when welding the cable assembly.

[0055] The limiting seat 1 is composed of a plurality of middle limiting blocks 12 and two groups of end limiting blocks 11 located at the sides of the middle limiting blocks 12. The middle limiting blocks 12 and the end limiting blocks 11 divide the first limiting groove 13 and the through groove into halves.

[0056] The present invention completes the welding of the flange and the silver-plated wire sheath 22 in the semi-flexible cable assembly 2 by designing a base 3 and a split limit seat 1 adapted to the base 3. Compared with the traditional one-by-one welding method through brazing, the present application can place a large number of semi-flexible cable assemblies 2 in a welding tool, and put the work into a reflow oven for welding. Multiple semi-flexible cable assemblies 2 can be welded at one time, which greatly reduces the working hours and saves production costs.

[0057] Hoop grooves 14 are formed on the plurality of groups of middle limit blocks 12 and any group of end limit blocks 11 .

[0058] The limiting seat 1 is provided with a clamping member 4 adapted to the clamping groove 14 and used for fixing a plurality of middle limiting blocks 12 and two groups of end limiting blocks 11 .

[0059] The clamping member 4 comprises:

[0060] The clamping column frame 42 is located in the clamping groove 14 and is adapted to the clamping groove 14. The end of the clamping column frame 42 is threaded.

[0061] A clamping plate 41 is arranged at the end of the clamping column frame 42;

[0062] The clamping nut 43 is sleeved on the clamping column frame 42 and is adapted to the thread.

[0063] By designing the clamping piece 4, it is avoided that the middle limit block 12 and the end limit block 11 are loosened when they are assembled and welded.

[0064] The middle limit block 12 has a middle adapting column 121 on one side and a middle adapting groove on the other side;

[0065] The side of the end limit block 11 is provided with an end adapter column 111, and the bottom is provided with a positioning pin;

[0066] The top of the base 3 is provided with a positioning hole adapted to the positioning pin.

[0067] By designing the middle adapting column 121 and the middle adapting groove, the multiple middle limit blocks 12 can avoid vertical misalignment when they are combined with each other.

[0068] By designing the end adapter column 111, when the end limit block 11 is combined with the middle limit block 12, up and down misalignment is avoided.

[0069] By designing the positioning pins and the positioning holes, misalignment can be avoided when the limit block and the base 3 are combined with each other, and the tooling can be prevented from slipping on the conveyor belt of the reflow oven.

[0070] The first limiting groove 13 , the second limiting groove 31 , and the through groove are used to place the semi-flexible cable assembly 2 .

[0071] The semi-flexible cable assembly 2 comprises:

[0072] Inner conductor 21;

[0073] A silver-plated sheath 22 is sleeved on the inner conductor 21 and is adapted to the through slot. The inner conductor 21 and the silver-plated sheath 22 form a cable.

[0074] The first flange 23 and the second flange 24 are respectively arranged at two ends of the silver-plated wire sheath 22 . The first flange 23 is matched with the first limiting groove 13 , and the second flange 24 is matched with the second limiting groove 31 .

[0075] A method for batch welding of semi-flexible cable assemblies, comprising:

[0076] Step 1, assembling the limit seat 1, combining multiple middle limit blocks 12 with each other through the middle adapter column 121 and the middle adapter groove, and combining the end limit blocks 11 with the middle adapter groove of the outermost middle limit block 12 through the end adapter column 111, and tightening them through the tightening member 4. When tightening, the tightening column frame 42 is pressed against one end limit block 11, and the tightening plate 41 is pressed against the other end limit block 11, and the tightening column frame 42 is passed through the tightening plate 41, and fixed by the tightening nut 43, so as to complete the assembly of the limit seat 1;

[0077] Step 2, high temperature welding, put the second flange 24 into the second limiting groove 31 one by one, connect the positioning pin of the combined limiting seat 1 with the positioning hole of the base 3, apply high temperature solder on one end of the cable, the curing temperature is 250°C, and insert it into the through groove one by one. At this time, the cable will be automatically inserted into the second flange 24, put the tooling into the reflow oven for 5 minutes (at this time, the temperature of the reflow oven is a suitable curing temperature for high temperature solder), and cool it to room temperature. At this time, the welding of one end of the flexible cable assembly is completed;

[0078] Step 3, low-temperature welding, apply low-temperature solder on the other end of the cable, the curing temperature is 180°C, to prevent the solder on the welded end from melting, put the first flange 23 into the first limiting groove 13, and put it on the end of the cable coated with low-temperature solder, put the tooling into the reflow oven again for 5 minutes (at this time, the temperature of the reflow oven is a suitable curing temperature for the low-temperature solder), and cool it to room temperature. At this time, the welding of the other end of the flexible cable assembly is completed;

[0079] Step 4: After welding is completed, loosen the clamping of the clamping member 4 on the limit seat 1, and then separate the end limit block 11, the middle limit block 12 and the welded flexible cable assembly one by one.

[0080] Working principle description:

[0081] High temperature welding, put the second flange 24 into the second limit groove 31 one by one, combine multiple middle limit blocks 12 with each other through the middle adapter column 121 and the middle adapter groove, and combine the end limit blocks 11 with the middle adapter groove of the outermost middle limit block 12 through the end adapter column 111, and tighten through the clamping member 4. When tightening, the clamping column frame 42 is pressed against one end limit block 11, and the clamping plate 41 is pressed against the other end limit block 11, and the clamping column frame 42 passes through the clamping plate 41, and is fixed through the clamping nut 43;

[0082] After assembly, connect the positioning pin of the limit seat 1 with the positioning hole of the base 3, apply high-temperature solder (curing temperature is 250°C) on one end of the cable, and insert it into the through groove one by one. At this time, the cable will automatically insert into the second flange 24, put the tooling into the reflow oven for 5 minutes (at this time, the temperature of the reflow oven is suitable for the curing temperature of the high-temperature solder), and cool it to room temperature. At this time, the welding of one end of the flexible cable assembly is completed;

[0083] Low-temperature soldering: Apply low-temperature solder (the curing temperature is 180°C to prevent the solder on the welded end from melting) to the other end of the cable, put the first flange 23 into the first limiting groove 13, and put it on the end of the cable coated with low-temperature solder. Put the tooling into the reflow oven for 5 minutes (the temperature of the reflow oven is the curing temperature suitable for the low-temperature solder), and cool it to room temperature. At this time, the welding of the other end of the flexible cable assembly is completed;

[0084] After welding is completed, the clamping of the limiting seat 1 by the clamping member 4 is loosened, and then the end limiting block 11, the middle limiting block 12 and the welded flexible cable assembly are separated one by one.

[0085] Assuming that it will take 10 minutes to weld a single cable assembly, the total working hours are 810 minutes. The welding work provided by this patent can weld 81 flexible cable assemblies at one time, and the total time will not exceed 1 hour, saving a lot of working hours.

[0086] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, various equivalent transformations can be made to the technical scheme of the present invention, and these equivalent transformations all belong to the protection scope of the present invention.

Claims

1. A semi-flexible cable assembly batch welding tool, comprising: A limiting seat (1), and a base (3) adapted to the limiting seat (1); The invention is characterized in that the base (3) and the limiting seat (1) are respectively provided with a plurality of corresponding first limiting grooves (13) and second limiting grooves (31), and the bottom of each first limiting groove (13) is provided with a through groove penetrating the limiting seat (1); The limiting seat (1) is composed of a plurality of middle limiting blocks (12) and two groups of end limiting blocks (11) located on the sides of the middle limiting blocks (12); the middle limiting blocks (12) and the end limiting blocks (11) divide the first limiting groove (13) and the through groove into halves.

2. A semi-flexible cable assembly batch welding tool according to claim 1, characterized in that: Hoop grooves (14) are formed on the plurality of groups of middle limit blocks (12) and any group of end limit blocks (11).

3. The semi-flexible cable assembly batch welding tool according to claim 1 is characterized by: The limiting seat (1) is provided with a clamping piece (4) adapted to the clamping groove (14) and used for fixing a plurality of middle limiting blocks (12) and two groups of end limiting blocks (11).

4. A semi-flexible cable assembly batch welding tool according to claim 3, characterized in that: The clamping member (4) comprises: A clamping column frame (42) is located in the clamping groove (14) and is adapted to the clamping groove (14), and the end of the clamping column frame (42) is threaded; A clamping plate (41) is arranged at the end of the clamping column frame (42); A clamping nut (43) is sleeved on the clamping column frame (42) and is adapted to the thread.

5. The semi-flexible cable assembly batch welding tool according to claim 3 is characterized by: A middle adapting column (121) is provided on one side of the middle limit block (12), and a middle adapting groove is provided on the other side; The side of the end limit block (11) is provided with an end adapter column (111), and the bottom is provided with a positioning pin; The top of the base (3) is provided with a positioning hole adapted to the positioning pin.

6. The semi-flexible cable assembly batch welding tool according to claim 1 is characterized by: The first limiting groove (13), the second limiting groove (31) and the through groove are used for placing the semi-flexible cable assembly (2).

7. A semi-flexible cable assembly batch welding tool according to claim 6, characterized in that: The semi-flexible cable assembly (2) comprises: Inner conductor (21); A silver-plated wire sheath (22) is sheathed on the inner conductor (21) and is adapted to the through slot; A first flange (23) and a second flange (24) are respectively arranged at two ends of the silver-plated wire sheath (22); the first flange (23) is matched with the first limiting groove (13), and the second flange (24) is matched with the second limiting groove (31).

8. A method for batch welding of semi-flexible cable assemblies, implemented based on a batch welding tool for semi-flexible cable assemblies according to any one of claims 1 to 7, characterized in that: include: Step 1, assembling the limit seat (1), combining multiple middle limit blocks (12) with each other through the middle adapter column (121) and the middle adapter groove, and combining the end limit blocks (11) with the middle adapter groove of the outermost middle limit block (12) through the end adapter column (111), and tightening them through the tightening member (4). When tightening, the tightening column frame (42) is pressed against one end limit block (11), and the tightening plate (41) is pressed against the other end limit block (11), and the tightening column frame (42) is passed through the tightening plate (41), and fixed by the tightening nut (43), thereby completing the assembly of the limit seat (1); Step 2, high temperature welding, place the second flange (24) one by one into the second limiting groove (31), connect the positioning pin of the combined limiting seat (1) with the positioning hole of the base (3), apply high temperature solder on one end of the cable, the curing temperature is 250°C, and insert it into the through groove one by one. At this time, the cable will automatically insert into the second flange (24), put the tooling into the reflow oven for 5 minutes, and cool it to room temperature. At this time, the welding of one end of the flexible cable assembly is completed; Step 3, low-temperature soldering, apply low-temperature solder on the other end of the cable, the curing temperature is 180°C, to prevent the solder on the welded end from melting, put the first flange (23) into the first limiting groove (13), and put it on the end of the cable coated with low-temperature solder, put the tooling into the reflow oven again for 5 minutes, and cool it to room temperature, at this time, the welding of the other end of the flexible cable assembly is completed; Step 4: After welding is completed, loosen the clamping of the clamping member (4) on the limit seat (1), and then separate the end limit block (11), the middle limit block (12) and the welded flexible cable assembly one by one.