CN112404626B - Litz wire welding device - Google Patents
Litz wire welding device Download PDFInfo
- Publication number
- CN112404626B CN112404626B CN202011095793.1A CN202011095793A CN112404626B CN 112404626 B CN112404626 B CN 112404626B CN 202011095793 A CN202011095793 A CN 202011095793A CN 112404626 B CN112404626 B CN 112404626B
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- module
- litz wire
- clamping
- positioning
- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 72
- 238000006073 displacement reaction Methods 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 28
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/04—Heating appliances
- B23K3/047—Heating appliances electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
A litz wire welding device comprises a control operation module, a thermal module, a detection module and a positioning and clamping module; the thermal module provides heat required by welding; the detection module detects temperature data of the thermal module and displacement data of the positioning and clamping module and sends the temperature data and the displacement data to the control operation module; the positioning and clamping module is used for positioning and clamping the litz wire to be welded; and the control operation module receives detection data transmitted by the detection module and controls the temperature of the thermal module and the displacement of the positioning and clamping module. This litz wire welding set can realize the reliable welding of big cross-section litz wire, realizes litz wire automatic weld, makes the welding more pleasing to the eye reliable when promoting production efficiency.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a litz wire welding device.
Background
At present, the litz wire is used as a novel wire, and most of equipment in a high-frequency state adopts the litz wire, so that the eddy current loss under the high frequency is avoided. For example, high-frequency inductors, high-frequency transformers, frequency converters, fuel cells, motors, communication and IT equipment, ultrasonic equipment, sonar equipment, televisions, radio equipment, induction heating, and the like. The litz wire is a 'one-strand wire' formed by twisting or weaving a plurality of wires with small diameters and each wire with an independent insulating layer and used as a winding wire of equipment, so that adverse effects caused by skin effect can be greatly reduced. However, the litz wire is used as a high-frequency device conductor, and the litz wire is beautiful, reliable and efficient in electrical connection with an external terminal due to the fact that the number of wires is large and the diameter is small in the process of in-out wiring, so that a technical problem to be solved is solved. A welding device is needed to solve the problem of welding the high-frequency litz wire and an external connecting terminal, and ensure reliable welding quality, attractive appearance and high production efficiency.
In the litz wire welding scheme in the prior art, a tin pot is used for heating a welding end of the litz wire, high-temperature tin in the tin pot is used for removing an insulating layer on the surface of each wire in the litz wire, and then a traditional copper wire welding device is used for manually poking and welding each strand of wire of the litz wire to a connecting conductor or an end of a copper bar and the like.
The prior art has the defects that: the tin pot of the litz wire insulation layer removing device is independent from the welding device of the litz wire, and is suitable for the condition that the number of wires in the litz wire is small. With the technical progress, high-capacity high-frequency equipment is used more and more, and when the effective sectional area of the used litz wire is increased and the number of the internal conducting wires exceeds a certain number, the equipment with independent functions cannot meet the requirements of reliable production efficiency and quality.
Disclosure of Invention
The technical problems solved by the invention are as follows: the problem of large-section litz wire root number, manual operation is time-consuming is solved, and each strand of wire arranges welding end position inhomogeneous, makes partial wire welding quality unreliable, and the welding needs the time longer, and the pleasing to the eye degree of welding receives the restriction of workman's operation horizontally height.
The invention aims to provide a litz wire welding device, which is used for realizing reliable welding of a large-section litz wire, realizing automatic welding of the litz wire and improving the production efficiency and simultaneously enabling the welding to be more attractive and reliable.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a litz wire welding device which comprises a control operation module, a thermal module, a detection module and a positioning and clamping module, wherein the control operation module is used for controlling the thermal module to perform welding;
the thermal module provides heat required by welding;
the detection module detects temperature data of the thermal module and displacement data of the positioning and clamping module and sends the temperature data and the displacement data to the control operation module;
the positioning and clamping module is used for positioning and clamping the litz wire to be welded;
the control operation module receives detection data transmitted by the detection module and controls the temperature of the thermal module and the displacement of the positioning and clamping module.
Furthermore, the thermal module comprises a tin pot and an electric heating unit, wherein the electric heating unit is used for heating the tin pot so that tin in the tin pot reaches the specified temperature sent by the control operation module.
Further, the specified temperature is a temperature capable of melting the insulating protective film outside the litz wire without melting the litz wire.
Furthermore, the positioning and clamping module comprises a positioning platform and a clamping platform, the positioning platform is used for positioning the litz wire in the welding process, and the clamping platform is used for clamping the litz wire in the welding process.
Furthermore, the positioning platform comprises a left positioning platform and a right positioning platform, is of a transverse moving structure, and is transversely adjustable in position and controlled by the clamping platform;
the left positioning platform and the right positioning platform are used for respectively positioning and pressing wire ends of the litz wire main body and the litz wire, and a part of wire ends close to the litz wire main body are exposed in the middle of the litz wire main body and are used for clamping by the clamping platforms.
Further, the clamping platform comprises a position fixing unit and a clamping unit;
the position fixing unit is in a dovetail shape, the opening width of the dovetail is adjustable, and two ends of the dovetail are respectively abutted against the left positioning platform and the right positioning platform so as to control the positions of the left positioning platform and the right positioning platform; the distance between the two ends of the dovetail is adjusted according to the wire diameter of the end of the litz wire and the required scattered welding area;
the clamping unit clamps a part of exposed wire ends close to the litz wire main body;
the clamping platform is of a longitudinal movable structure.
Further, the detection device comprises a thermocouple temperature sensor and a displacement sensor;
the thermocouple temperature sensor is used for measuring the temperature in the tin pot;
the displacement sensor is used for measuring the displacement of the positioning and clamping module.
Furthermore, the control operation module comprises a numerical control microcomputer singlechip and/or an IBM computer and is used for controlling the temperature of the heating module and the displacement of the positioning and clamping module.
Furthermore, the device comprises a lifting device placing platform used for placing the device to be welded.
Further, the device comprises a welding module used for welding the wire end of the litz wire and the device to be welded.
In summary, the present invention provides a litz wire welding apparatus, which comprises a control operation module, a thermal module, a detection module and a positioning and clamping module; the thermal module provides heat required by welding; the detection module detects temperature data of the thermal module and displacement data of the positioning and clamping module and sends the temperature data and the displacement data to the control operation module; the positioning and clamping module is used for positioning and clamping the litz wire to be welded; and the control operation module receives detection data transmitted by the detection module and controls the temperature of the thermal module and the displacement of the positioning and clamping module. This litz wire welding set can realize the reliable welding of big cross-section litz wire, realizes litz wire automatic weld, makes the welding more pleasing to the eye reliable when promoting production efficiency.
The invention has the beneficial technical effects that:
1. the litz wire welding process of the whole high-frequency equipment is completed on one piece of equipment, and the position carrying of the welded electrical equipment is reduced;
2. automatic wire welding of the large-section litz wire is realized through the matching of a plurality of modules;
3. the positioning and clamping module can clamp the wire ends of the litz wires according to the required width, so that the uniform distribution of the wires of the litz wires is realized;
4. all modules are matched, and the set value required by production is automatically detected according to a programming procedure, so that automatic and reliable welding is realized.
Drawings
FIG. 1 is a schematic frame diagram of a litz wire welding apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a litz wire welding apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a positioning and clamping module according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the position relationship between litz wires and copper bars according to an embodiment of the present invention.
Reference numerals: 1. a control operation module; 2. a thermal module; 21. a tin pan; 22. an electrical heating unit; 23. a thermocouple sensor; 3. a detection module; 4. positioning and clamping the module; 41. clamping the platform; 411. a position fixing unit; 412. a clamping unit; 42. a left positioning platform; 43. a right positioning platform; 5. copper bars; 6. welding the module; 7. the equipment placing platform can be lifted.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The invention provides a litz wire welding device which comprises a control operation module 1, a thermal module 2, a detection module 3 and a positioning clamping module 4, wherein the control operation module 1 is connected with the thermal module 2; the thermal module 2 provides heat required by welding; the detection module 3 detects temperature data of the thermal module and displacement data of the positioning and clamping module and sends the temperature data and the displacement data to the control operation module 1; the positioning and clamping module 4 is used for positioning and clamping the litz wire to be welded; the control operation module 1 receives the detection data transmitted by the detection module, and controls the temperature of the thermal module 2 and the displacement of the positioning and clamping module 4.
Further, as shown in fig. 2, the thermal module 2 includes a tin pot 21 and an electric heating unit 22, wherein the electric heating unit heats the tin pot to make the tin in the tin pot reach a specified temperature emitted by the control operation module. The specified temperature is a temperature at which the insulating protective film outside the litz wire can be melted without melting the litz wire, i.e., the insulating protective film is removed without damage. The welding device is heated by current, the temperature required by welding is controlled by controlling the magnitude of the current, and then the litz wire is welded.
Further, as shown in fig. 3 and 4, the positioning and clamping module 4 positions the wire ends of the litz wires by using a moving mechanism, the positioning mechanism uniformly arranges the strands of wires of the litz wires and accurately positions the wires to the welding position, and the positioning mechanism comprises a positioning platform and a clamping platform 41, the positioning platform is used for positioning the litz wires in the welding process, and the clamping platform is used for clamping the litz wires in the welding process. The positioning platform comprises a left positioning platform 42 and a right positioning platform 43, is of a transverse moving structure, is transversely adjustable in position and is controlled by the clamping platform; the left positioning platform and the right positioning platform are used for respectively positioning and pressing the wire ends of the litz wire main body and the litz wire, and a part of the wire ends close to the litz wire main body are exposed in the middle of the litz wire main body so as to be clamped by the clamping platform 41. The positioning platform enables the wire ends of the litz wires needing to be welded to be deep into the tin pot, and meanwhile, the uniform arrangement and accurate positioning of all strands of wires to the welding position are guaranteed, and the welding quality is guaranteed.
Further, the clamping platform 41 includes a position fixing unit 411 and a clamping unit 412; the position fixing unit is in a dovetail shape, the opening width of the dovetail is adjustable, and two ends of the dovetail are respectively abutted against the left positioning platform and the right positioning platform so as to control the positions of the left positioning platform and the right positioning platform; the distance between the two ends of the dovetail is adjusted and positioned according to the wire diameter of the wire end of the litz wire and the required scattered welding area; the clamping unit clamps a part of exposed wire ends close to the litz wire main body; the clamping platform is of a longitudinal moving structure, and meets the displacement and positioning functions required by welding. This press from both sides tight platform and set up to the fixed position unit of dovetail and the tight unit of clamp of square litz line, the unit of dovetail can block the platform on both sides, guarantees that the front and back position of litz line can not change, and the rethread square tight unit of clamp presss from both sides tight litz line of scattering, and stable tiling is on the copper bar.
Further, the detection means includes a thermocouple temperature sensor 23 and a displacement sensor (not shown); the thermocouple temperature sensor is used for measuring the temperature in the tin pot; the displacement sensor is used for measuring the displacement of the positioning and clamping module.
Further, the control operation module 1 comprises a numerical control microcomputer singlechip and/or an IBM computer, and is used for controlling the temperature of the heating module and the displacement of the positioning and clamping module.
Further, the welding device comprises a lifting device placing platform 7 used for placing the device to be welded.
Further, a soldering module 6 (which may be a soldering gun in particular) is included for soldering the wire ends of the litz wire and the devices to be soldered.
As shown in fig. 4, the welding process of the present invention: firstly, the position of a device to be welded (such as a high-frequency transformer) is adjusted by utilizing a lifting equipment placing platform, then the end part of a litz wire is stretched into a tin pot, an insulating layer on the surface is removed without damaging the wire, then the wire end is fixed on a positioning and clamping module, then the clamping platform is adjusted according to the width of the litz wire required to be spread, the litz wire is clamped and flatly spread on a copper bar, and then the welding module 6 and the longitudinal displacement of the clamping platform are utilized to weld the litz wire to the copper bar 5 or the end head.
In summary, the present invention provides a litz wire welding apparatus, which comprises a control operation module, a thermal module, a detection module and a positioning and clamping module; the thermal module provides heat required by welding; the detection module detects temperature data of the thermal module and displacement data of the positioning and clamping module and sends the temperature data and the displacement data to the control operation module; the positioning and clamping module is used for positioning and clamping the litz wire to be welded; and the control operation module receives detection data transmitted by the detection module and controls the temperature of the thermal module and the displacement of the positioning and clamping module. This litz wire welding set can realize the reliable welding of big cross-section litz wire, realizes litz wire automatic weld, makes the welding more pleasing to the eye reliable when promoting production efficiency.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. A litz wire welding device is characterized by comprising a welding module, a control operation module, a thermal module, a detection module and a positioning and clamping module;
the welding module is used for welding the wire end of the litz wire and the device to be welded;
the heating module comprises a tin pot and an electric heating unit, and the electric heating unit heats the tin pot to enable tin in the tin pot to reach the specified temperature sent by the control operation module;
the detection module detects temperature data of the thermal module and displacement data of the positioning and clamping module and sends the temperature data and the displacement data to the control operation module;
the positioning and clamping module comprises a left positioning platform and a right positioning platform of a transverse moving type structure and a clamping platform of a longitudinal moving type structure;
the left positioning platform and the right positioning platform are used for respectively positioning and pressing the wire ends of the litz wire main body and the litz wire, and a part of the wire ends close to the litz wire main body are exposed in the middle of the litz wire main body so as to be clamped by the clamping platforms;
the control operation module receives detection data transmitted by the detection module and controls the temperature of the thermal module and the displacement of the positioning and clamping module.
2. The litz wire bonding apparatus of claim 1 wherein the specified temperature is a temperature that can melt an insulating protective film on the outside of the litz wire without melting the litz wire.
3. The litz wire welding apparatus of claim 2 wherein the left and right positioning stages are laterally adjustable in position, controlled by the clamping stage.
4. The litz wire welding apparatus according to claim 3, wherein the clamping stage comprises a position fixing unit and a clamping unit;
the position fixing unit is in a dovetail shape, the opening width of the dovetail is adjustable, and two ends of the dovetail are respectively abutted against the left positioning platform and the right positioning platform so as to control the positions of the left positioning platform and the right positioning platform; the distance between the two ends of the dovetail is adjusted according to the wire diameter of the end of the litz wire and the required scattered welding area;
the clamping unit clamps a part of exposed wire ends close to the litz wire main body;
the clamping platform is of a longitudinal movable structure.
5. The litz wire welding device according to any one of claims 1 to 4, characterized in that the detection module comprises a thermocouple temperature sensor and a displacement sensor;
the thermocouple temperature sensor is used for measuring the temperature in the tin pot;
the displacement sensor is used for measuring the displacement of the positioning and clamping module.
6. The litz wire welding apparatus according to any one of claims 1 to 4, wherein the control operation module comprises a numerical control microcomputer single chip microcomputer and/or an IBM computer for controlling the temperature of the heating module and the displacement amount of the positioning and clamping module.
7. The litz wire welding apparatus according to any one of claims 1 to 4, further comprising a liftable device placing platform for placing the apparatus to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011095793.1A CN112404626B (en) | 2020-10-14 | 2020-10-14 | Litz wire welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011095793.1A CN112404626B (en) | 2020-10-14 | 2020-10-14 | Litz wire welding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112404626A CN112404626A (en) | 2021-02-26 |
| CN112404626B true CN112404626B (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011095793.1A Active CN112404626B (en) | 2020-10-14 | 2020-10-14 | Litz wire welding device |
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| CN (1) | CN112404626B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1736646A (en) * | 2005-09-08 | 2006-02-22 | 张长增 | Bonder welding and its chucking method |
| CN101383472A (en) * | 2008-10-13 | 2009-03-11 | 番禺得意精密电子工业有限公司 | Connector welding method |
| JP2009214180A (en) * | 2008-03-12 | 2009-09-24 | Andrew Llc | Cable and connector assembly apparatus, and method of use thereof |
| CN104124053A (en) * | 2014-06-26 | 2014-10-29 | 艾柯电器（苏州）有限公司 | Litz wire and copper bar brazing method |
| CN106964861A (en) * | 2017-05-16 | 2017-07-21 | 雷勃电气（苏州）有限公司 | A kind of connection method of motor terminal |
| CN109768444A (en) * | 2019-01-15 | 2019-05-17 | 哈尔滨工业大学 | A kind of termination and mode of connection suitable for litz wire |
-
2020
- 2020-10-14 CN CN202011095793.1A patent/CN112404626B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1736646A (en) * | 2005-09-08 | 2006-02-22 | 张长增 | Bonder welding and its chucking method |
| JP2009214180A (en) * | 2008-03-12 | 2009-09-24 | Andrew Llc | Cable and connector assembly apparatus, and method of use thereof |
| CN101383472A (en) * | 2008-10-13 | 2009-03-11 | 番禺得意精密电子工业有限公司 | Connector welding method |
| CN104124053A (en) * | 2014-06-26 | 2014-10-29 | 艾柯电器（苏州）有限公司 | Litz wire and copper bar brazing method |
| CN106964861A (en) * | 2017-05-16 | 2017-07-21 | 雷勃电气（苏州）有限公司 | A kind of connection method of motor terminal |
| CN109768444A (en) * | 2019-01-15 | 2019-05-17 | 哈尔滨工业大学 | A kind of termination and mode of connection suitable for litz wire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112404626A (en) | 2021-02-26 |
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