CN115566503A - Positioning method for precise welding of superfine wire harness - Google Patents

Positioning method for precise welding of superfine wire harness Download PDF

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Publication number
CN115566503A
CN115566503A CN202211240084.7A CN202211240084A CN115566503A CN 115566503 A CN115566503 A CN 115566503A CN 202211240084 A CN202211240084 A CN 202211240084A CN 115566503 A CN115566503 A CN 115566503A
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China
Prior art keywords
jig
positioning
wire harness
sliding
semicircular
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CN202211240084.7A
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Chinese (zh)
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CN115566503B (en
Inventor
李先芬
蔡楷
刘标
柴旭东
华鹏
刘大双
孙颖
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Anhui Xingfu Gongchang Medical Equipment Co ltd
Hefei University of Technology
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Anhui Xingfu Gongchang Medical Equipment Co ltd
Hefei University of Technology
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Priority to CN202211240084.7A priority Critical patent/CN115566503B/en
Publication of CN115566503A publication Critical patent/CN115566503A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
    • H01R43/0263—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections for positioning or holding parts during soldering or welding process
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
    • H01R43/0256—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections for soldering or welding connectors to a printed circuit board
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wire Processing (AREA)

Abstract

The invention relates to the field of multi-main-line precise welding of superfine wire harnesses, and discloses a positioning method for precise welding of superfine wire harnesses, which comprises a workbench, the superfine wire harnesses, a PCB (printed circuit board), a positioning bolt and a main line, wherein the workbench is provided with a sliding assembly, a jig assembly is arranged above the sliding assembly and used for clamping the head ends of the superfine wire harnesses, a third jig, a fifth jig and a seventh jig are arranged on the workbench, the bottom of the third jig is fixedly provided with a fourth jig, the fifth jig and the fourth jig are used for positioning the tail ends of the superfine wire harnesses and the head ends of the main line, the positioning bolt is used for fixing the tail ends of the main line, and the sliding assembly drives the fifth jig and the jig to move towards the third jig. The fixture is used for fixing and positioning the head end and the tail end of the superfine wire harness and the head end of the multi-main wire, so that compared with the manual positioning, the efficiency is low, the fixture is more convenient and rapid to fix, the fixing time is greatly shortened, and the positioning efficiency is improved.

Description

Positioning method for precise welding of superfine wire harness
Technical Field
The invention relates to the technical field of multi-main-line precise welding of superfine wire harnesses, in particular to a positioning method for precise welding of superfine wire harnesses.
Background
With the wide application of medical endoscopes in medical diagnosis and treatment, the characteristics of precision miniaturization, integration, customization and disposable endoscopes will become the future development trend of the industry. The welding of the multiple main lines of the ultra-fine wire harness and the PCB becomes a technical barrier which needs to be broken through urgently. The PCB to be welded is small in size and various in types, so that the welding spots and the multiple main lines of the superfine wire harness are difficult to position.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a positioning method for the precise welding of an ultrafine wire harness, which has the advantages of precise positioning, convenience in fixing and the like, and solves the problem of difficult positioning of a welding spot and multiple main lines of the ultrafine wire harness.
(II) technical scheme
In order to solve the technical problem of difficult positioning of the welding spot and the multiple main lines of the superfine wire harness, the invention provides the following technical scheme:
a positioning method for superfine wire harness precision welding comprises the following steps: the method comprises the following steps: after an insulating layer and a shielding layer on the superfine wire harness containing a plurality of main wires are stripped, the head ends of the superfine wire harness are superposed with a jig I to finish fixed positioning, the head ends of the main wires are correspondingly fixed in a semicircular groove of a jig V one by one, and a slide assembly is used for superposing a jig IV and the jig V to finish fixed positioning of the tail end of the superfine wire harness and the main wires;
step two: placing the PCB on a jig seventh, and combining the jig seventh and the jig through the sliding assembly to complete the fixed positioning of the PCB;
step three: and the tail ends of the main lines are wound and hung on positioning bolts, and the positioning bolts are pressed to fix the tail ends of the main lines.
The utility model provides a positioner of superfine pencil precision welding, includes the workstation, the workstation is provided with the slip subassembly, the slip subassembly top is provided with the tool subassembly, the tool subassembly is used for the centre gripping the head end of superfine pencil, be provided with respectively on the workstation tool three tool five with tool seven, tool three bottom fixed mounting has tool four, tool five with tool four relative motion is to coincidence between them to the tail end of superfine pencil with the head end of thread is fixed a position, the gim peg slides the assembly respectively and is in a plurality of constant head tanks of seting up on the tool seven, in order to right the tail end of thread is fixed, the slip subassembly drive tool seven to tool three moves so that tool seven with tool three closes to the fixed position of PCB board.
Preferably, the sliding assembly comprises a sliding block and a sliding rail, the workbench is uniformly and fixedly provided with a plurality of sliding rails, the jig III, the jig IV, the jig V and the jig VII are fixedly provided with the sliding blocks, and the sliding rails correspond to the sliding blocks one to one and are assembled in a sliding mode.
Preferably, a supporting rod is fixedly mounted on the third jig, a rotating shaft is arranged at the top end of the supporting rod, the rotating shaft is rotatably connected with the first jig and the second jig, and a semicircular groove is formed in the middle of one side, opposite to the first jig and the second jig, of the middle of the first jig.
Preferably, the seventh fixture is provided with a semicircular positioning groove and a plurality of positioning grooves with set angle differences, the positioning grooves are all provided with the positioning bolts in a sliding manner, and the semicircular positioning grooves are internally provided with the PCB.
Preferably, the middle parts of the third jig, the first jig, the second jig, the fourth jig and the fifth jig are all provided with semicircular grooves, and a plurality of semicircular hole grooves with set angle differences are distributed in the thickness direction of the semicircular grooves on the fifth jig.
Preferably, a plurality of bonding pads with set angle difference are distributed on the PCB.
(III) advantageous effects
Compared with the prior art, the invention provides a positioning method for the precise welding of an ultrafine wire harness, which has the following beneficial effects:
1. the fixture is used for fixing and positioning the head end and the tail end of the superfine wire harness and the head end of the multi-main wire, so that compared with the manual positioning, the efficiency is low, the fixture is more convenient and rapid to fix, the fixing time is greatly shortened, and the positioning efficiency is improved.
2. According to the invention, the positioning groove on the jig seventh is set to have the size which is twenty times larger than that of the bonding pad, the positioning point is enlarged, and the error of the main line corresponding to the bonding pad is reduced. Meanwhile, the size of the positioning bolt is larger than that of the welding spot group, so that the tail end of the main wire can be conveniently fixed.
3. According to the invention, the plurality of semicircular hole grooves with radial angle difference are distributed on the semicircular groove on the jig V and are used for clamping the main line, so that the positioning errors of the multiple main lines and the bonding pad group caused by the inconsistent circle centers of the superfine wire harnesses and the multiple main lines are avoided.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a third perspective view of the present invention;
FIG. 4 is an enlarged view of the portion A of the three-dimensional structure of the present invention shown in FIG. 2;
FIG. 5 is an enlarged view of the portion B of the three-dimensional structure of the present invention shown in FIG. 2;
fig. 6 is a partial cross-sectional view of the present invention.
In the figure: 1. a work table; 2. a sliding assembly; 3. a third fixture; 4. a fourth fixture; 5. a fifth tool; 6. an ultrafine wire harness; 7. a seventh jig; 8. a PCB board; 9. a jig component; 10. a main line; 11. positioning bolts; 201. a slider; 202. a slide rail; 901. a first jig; 902. a second jig; 903. a support bar; 904. a rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As described in the background art, the prior art has shortcomings, and in order to solve the above technical problems, the present application provides a positioning method for precision welding of an ultra-fine wire harness.
The first embodiment is as follows:
referring to fig. 1-6, a positioning method for precision welding of an ultra-fine wire harness includes:
the method comprises the following steps: stripping an insulating layer and a shielding layer on an ultrafine wire harness 6 internally containing a plurality of main wires 10, superposing the head ends of the ultrafine wire harness 6 with a first jig 901 and a second jig 902 to finish fixed positioning, fixing the head ends of the main wires 10 in a semicircular groove of a fifth jig 5 in a one-to-one correspondence manner, and superposing a fourth jig 4 and the fifth jig 5 through a sliding assembly 2 to finish fixed positioning of the tail end of the ultrafine wire harness 6 and the main wires 10;
step two: placing the PCB 8 on a jig seven 7, and enabling the jig seven 7 and a jig three 3 to be overlapped through the sliding assembly 2 to complete the fixed positioning of the PCB 8;
step three: the tail ends of the main lines 10 are wound on positioning bolts 11, and the tail ends of the main lines 10 are fixed by pressing down the positioning bolts 11.
The second embodiment:
referring to fig. 1-6, a positioning device for precision welding of an ultra-fine wire harness includes a workbench 1, the workbench 1 is provided with the sliding assembly 2, a jig assembly 9 is arranged above the sliding assembly 2, the jig assembly 9 is used for clamping a head end of the ultra-fine wire harness 6, the workbench 1 is respectively provided with a third jig 3, a fifth jig 5 and a seventh jig 7, the bottom of the third jig 3 is fixedly provided with a fourth jig 4, the fifth jig (5) and the fourth jig (4) move relatively until the two coincide so as to position a tail end of the ultra-fine wire harness 6 and a head end of the main line 10, positioning bolts 11 are respectively assembled in a plurality of positioning grooves formed in the seventh jig 7 in a sliding manner so as to fix a tail end of the main line 10, and the sliding assembly 2 drives the seventh jig 7 to move toward the third jig 3 so that the seventh jig 7 and the third jig 3 coincide to complete fixing and positioning of the PCB 8.
After an insulating layer and a shielding layer on the superfine wire harness 6 are stripped, the superfine wire harness is fixed at a position clamped by a jig, the head end of the superfine wire harness 6 is positioned through a jig assembly 9, meanwhile, the head ends of a plurality of main lines 10 are respectively fixed in a semicircular groove corresponding to a jig five 5, the jig five 5 moves towards the jig four 4 direction through the action of a sliding assembly 2 until one side of the jig four 4 corresponding to the jig five 5 is closed, the purpose of positioning the tail end of the superfine wire harness 6 and the head end of the main line 10 is achieved, the sliding assembly 2 enables a jig seven 7 to move towards a jig three 3 direction until the jig seven 7 and the jig three 3 coincide with each other, a PCB 8 is placed, the PCB 8 is positioned through the coincidence and fixation of the jig seven 7 and the jig three 3, after the head ends of the plurality of main lines 10 are fixed on the jig five 5, the tail ends of the plurality of main lines 10 are vertically pulled up along the surface of the PCB 8, the tail ends of the plurality of the main lines 10 are hung on small columns of positioning bolts 11, and the tail ends of the plurality of the positioning bolts 11 are pressed down to complete the fixation of the tail ends of the plurality of the main lines 10. Specifically, the ultrafine wire harness 6 including 6 main wires 10 is preferable.
The fixture is used for fixing and positioning the head end and the tail end of the superfine wire harness 6 and the head end of the multi-main wire 10, compared with the manual positioning, the fixture is convenient and quick to fix, the fixing time is greatly shortened, and the positioning efficiency is improved.
Further, for the above sliding assembly 2, the sliding assembly 2 includes a sliding block 201 and a sliding rail 202, the sliding rail 202 is uniformly and fixedly mounted on the workbench 1, the sliding block 201 is fixedly mounted on the jig three 3, the jig four 4, the jig five 5 and the jig seven 7, and the sliding rail 202 and the sliding block 201 are in one-to-one correspondence and are assembled in a sliding manner.
The sliding blocks 201 fixedly installed at the bottoms of the third jig 3, the fourth jig 4, the fifth jig 5 and the seventh jig 7 are correspondingly assembled in the sliding rails 202 arranged on the workbench 1 in a sliding manner, so that the third jig 3, the fourth jig 4, the fifth jig 5 and the seventh jig 7 can move along the sliding rails 202 through manual pushing.
Further, for the third fixture 3, a support rod 903 is fixedly mounted on the third fixture 3, a rotating shaft 904 is arranged at the top end of the support rod 903, the rotating shaft 904 is rotatably connected with the first fixture 901 and the second fixture 902, and semicircular grooves are formed in the middle of the opposite side of the first fixture 901 and the second fixture 902.
Bracing piece 903 provides the holding power for tool one 901 and tool two 902, tool one 901, tool two 902 relative one side middle part centre gripping department all offers the diameter to be 0.6 mm's half slot, the head end of the superfine pencil 6 of centre gripping in the half slot, tool one 901 and tool two 902 one end all are provided with the ring, the cover is established about two rings and is had the damping on pivot 904 and between the ring is inside and pivot 904, through manual rotation tool one 901 or tool two 902, make tool one 901 and tool two 902 coincide mutually, thereby the head end of the superfine pencil 6 of location.
Further, for the seventh jig 7, a semicircular positioning groove and a plurality of positioning grooves with set angle differences are formed in the seventh jig 7, the positioning grooves are all provided with the positioning bolts 11 in a sliding manner, and the semicircular positioning groove is provided with the PCB board 8.
The diameters of the 6 positioning grooves on the jig seven 7 are 2mm, the circle centers are on extension lines from the circle centers of the main lines 10 to the circle center of the PCB 8, and the distance between the circle centers of the main lines and the circle center of the PCB is 20mm. The positioning bolt 11 of sliding assembly in the positioning groove is composed of a small cylinder with the diameter of 2mm and the height of 0.8mm and a large cylinder with the diameter of 3mm and the height of 0.8mm, wherein the small cylinder is slidably assembled in the positioning groove, and a semicircular positioning groove with the diameter of 3mm is further formed in the jig seven 7 and is used for placing the PCB 8.
Since the size of the positioning groove on the jig seven 7 is enlarged twenty times in comparison with the size of the pad, the error of the plurality of main lines 10 corresponding to the pad is 1/20 of that of the case without the positioning device. Meanwhile, the size of the positioning pin 11 is larger than that of the welding spot group, so that the tail end of the main line 10 can be conveniently fixed.
Further, for the fifth jig 5, the middle portions of one sides of the third jig 3, the first jig 901, the second jig 902, the fourth jig 4 and the fifth jig 5 are all provided with semicircular grooves, and a plurality of semicircular hole grooves with set angle differences are distributed in the thickness direction of the semicircular grooves on the fifth jig 5.
The clamping position of the third jig 3 is provided with a semicircular groove with the diameter of 1mm, and the clamping positions of the fourth jig 4 and the fifth jig 5 are provided with semicircular grooves with the diameter of 0.6 mm. Tool five 5 distributes along radial 22.5 orientation in the semicircular groove thickness direction of diameter 0.6mm has the half-hole groove of a plurality of diameters 0.1mm, all is fixed with the head end of thread 10 in the half-hole groove, and when tool four 4 and tool five 5 coincide mutually, the extrusion force of centre gripping department makes the superfine pencil 6 tail end of tool four 4 centre gripping department and tool five 5 centre gripping department thread 10 head end accomplish the location. In specific application, the jig five 5 is preferably provided with 6 half-hole grooves with the diameter of 0.1 mm.
A plurality of semicircular hole grooves with the radial angle difference of 22.5 degrees and the diameter of 0.1mm are distributed on a semicircular groove with the diameter of 0.6mm on the jig five 5 and are used for clamping a plurality of main lines 10, so that the problem that the centers of circles of the superfine wire harnesses 6 are inconsistent with the centers of circles of the plurality of main lines 10, and the positioning errors of the plurality of main lines 10 and the pad groups are caused is avoided.
Further, for the above PCB, a plurality of pads with a set angle difference are distributed on the PCB 8.
6 welding pads with the radial angle difference of 22.5 degrees and the diameter of 0.2mm are distributed on the PCB 8 for welding.
The working principle is as follows: when the fixture is used, a plurality of main lines 10 with the diameter of 0.1mm are contained, the insulating layer and the shielding layer on the superfine wire harness 6 with the length of 760mm are peeled off and fixed at the position clamped by the fixture, the head end of the superfine wire harness 6 is fixed in a semicircular groove which is formed in the first fixture 901 or the second fixture 902 and has the diameter of 0.6mm, the first fixture 901 and the second fixture 902 are provided with circular rings at one end, the two circular rings are vertically sleeved on the rotating shaft 904, damping exists between the inner part of the circular rings and the rotating shaft 904, the first fixture 901 or the second fixture 902 is rotated manually, the first fixture 901 and the second fixture 902 are overlapped, and therefore the positioning of the head end of the superfine wire harness 6 is completed. The tail end of the superfine wire harness 6 is fixed in the semicircular groove of the jig four 4, the head ends of the multiple mainlines 10 are fixed in multiple semicircular grooves which are distributed along the radial direction of 22.5 degrees in the semicircular groove thickness direction with the diameter of 0.6mm on the jig five 5, the multiple mainlines 10 are fixed at the head ends on the jig five 5, the vertical jig five 5 is pulled up, the jig five 5 is manually moved to slide along the slide rail 202, when the jig four 4 and the jig five 5 are overlapped, the extrusion force of the clamping position enables the tail end of the superfine wire harness 6 at the clamping position of the jig four 4 and the head end of the mainline 10 at the clamping position of the jig five 5 to complete positioning. And manually pushing the jig seven 7 to move towards the jig three 3 until the jig seven 7 and the jig three 3 are overlapped, placing the PCB 8, fixing the jig seven 7 and the jig three 3 to complete the positioning of the PCB 8, hanging the parts of the multiple main lines 10, which are perpendicular to the jig five 5, pulled up along the surface of the PCB 8 and hanging the tail ends of the multiple main lines on the small columns of the positioning bolts 11, and pressing down the positioning bolts 11 to complete the fixing of the tail ends of the multiple main lines 10.
According to the invention, the jig is used for fixing and positioning the head end and the tail end of the superfine wire harness 6 and the head end of the multi-main wire 10, compared with the low efficiency of manual positioning, the jig is more convenient and rapid to fix, the fixing time is greatly shortened, and the positioning efficiency is improved. The size of the positioning groove on the jig seven 7 is set to be twenty times of the size of the bonding pad in an equal ratio, the positioning point is enlarged, and the error of the bonding pad corresponding to the main lines 10 is reduced. Meanwhile, the size of the positioning pin 11 is larger than that of the welding spot group, so that the tail end of the main wire 10 can be conveniently fixed. 6 semicircular hole grooves with the radial angle difference of 22.5 degrees and the diameter of 0.1mm are distributed on the half groove of the jig five 5 and are used for clamping the multiple main lines 10, so that the positioning error of the multiple main lines and the bonding pad group caused by the fact that the circle centers of the superfine wire harnesses 6 are inconsistent with the circle centers of the multiple main lines 10 is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A positioning method for superfine wire harness precision welding comprises the following steps: the method comprises the following steps: stripping an insulating layer and a shielding layer on an ultrafine wire harness (6) internally containing a plurality of main wires (10), superposing the head ends of the ultrafine wire harness (6) through a first jig (901) and a second jig (902) to finish fixed positioning, fixing the head ends of the main wires (10) in a semicircular groove of a fifth jig (5) in a one-to-one correspondence manner, and superposing a fourth jig (4) and the fifth jig (5) through a sliding assembly (2) to finish fixed positioning of the tail end of the ultrafine wire harness (6) and the main wires (10);
step two: placing the PCB (8) on a jig seven (7), and enabling the jig seven (7) and the jig three (3) to be overlapped through the sliding assembly (2) to complete the fixed positioning of the PCB (8);
step three: the tail ends of the main lines (10) are wound on positioning bolts (11), and the positioning bolts (11) are pressed down to fix the tail ends of the main lines (10).
2. The positioning device for the precision welding of the superfine wire harness according to claim 1, which comprises a workbench (1), and is characterized in that: the workbench (1) is provided with the sliding assembly (2), a jig assembly (9) is arranged above the sliding assembly (2), the jig assembly (9) is used for clamping the head end of the superfine wire harness (6), the workbench (1) is respectively provided with the jig three (3), the jig five (5) and the jig seven (7), the bottom of the jig three (3) is fixedly provided with the jig four (4), the jig five (5) and the jig four (4) move relatively to coincide to position the tail end of the superfine wire harness (6) and the head end of the main wire (10), the positioning bolts (11) are respectively assembled in a plurality of positioning grooves formed in the jig seven (7) in a sliding mode to fix the tail end of the main wire (10), and the sliding assembly (2) drives the jig seven (7) to move towards the jig three (3) so that the jig seven (7) and the jig three (3) coincide to complete the fixed positioning of the PCB (8).
3. The positioning device for the precision welding of the ultrafine wire harness according to claim 1, wherein: the sliding assembly (2) comprises a sliding block (201) and a sliding rail (202), the workbench (1) is uniformly and fixedly provided with the sliding rail (202), the jig is three (3), the jig is four (4), the jig is five (5) and the jig is seven (7), the sliding block (201) is fixedly provided, and the sliding rail (202) and the sliding block (201) are in one-to-one correspondence and are assembled in a sliding mode.
4. The positioning device for the precision welding of the ultrafine wire harness according to claim 1, wherein: a support rod (903) is fixedly mounted on the third jig (3), a rotating shaft (904) is arranged at the top end of the support rod (903), the rotating shaft (904) is rotatably connected with the first jig (901) and the second jig (902), and semicircular grooves are formed in the middle of one side, opposite to the first jig (901) and the second jig (902).
5. The positioning device for the precision welding of the ultrafine wire harness according to claim 1, wherein: the fixture seven (7) is provided with a semicircular positioning groove and a plurality of positioning grooves with set angle differences, the positioning grooves are all assembled with the positioning bolts (11) in a sliding mode, and the semicircular positioning grooves are internally provided with the PCB (8).
6. The method for positioning the precision welding of the ultrafine wire harness according to claim 1, wherein the method comprises the following steps: the middle parts of one side of the third jig (3), the first jig (901), the second jig (902), the fourth jig (4) and the fifth jig (5) are all provided with semicircular grooves, and a plurality of semicircular hole grooves with set angle differences are distributed in the thickness direction of the semicircular grooves on the fifth jig (5).
7. The positioning method for the precision welding of the ultrafine wire harness according to claim 1, wherein: and a plurality of bonding pads with set angle difference are distributed on the PCB (8).
CN202211240084.7A 2022-10-11 2022-10-11 Positioning method for precise welding of superfine wire harness Active CN115566503B (en)

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