CN114512873B - Production process of collecting ring of automobile generator - Google Patents

Production process of collecting ring of automobile generator Download PDF

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Publication number
CN114512873B
CN114512873B CN202210161566.7A CN202210161566A CN114512873B CN 114512873 B CN114512873 B CN 114512873B CN 202210161566 A CN202210161566 A CN 202210161566A CN 114512873 B CN114512873 B CN 114512873B
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CN
China
Prior art keywords
ring
copper ring
positioning
plastic
wiring pin
Prior art date
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Application number
CN202210161566.7A
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Chinese (zh)
Other versions
CN114512873A (en
Inventor
陈辉
郑道武
喻洪权
陈炜炜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Angu Group Co ltd
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Angu Group Co ltd
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Publication date
Application filed by Angu Group Co ltd filed Critical Angu Group Co ltd
Priority to CN202210161566.7A priority Critical patent/CN114512873B/en
Publication of CN114512873A publication Critical patent/CN114512873A/en
Application granted granted Critical
Publication of CN114512873B publication Critical patent/CN114512873B/en
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Classifications

    • 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
    • H01R43/10—Manufacture of slip-rings
    • 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
    • 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
    • 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
    • H01R43/0207—Ultrasonic-, H.F.-, cold- or impact welding
    • 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
    • H01R43/0214—Resistance welding
    • 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
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • 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
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/10—Connectors or connections adapted for particular applications for dynamoelectric machines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Motor Or Generator Current Collectors (AREA)

Abstract

The invention discloses a production process of a collecting ring of an automobile generator, which comprises the following steps: the method comprises the steps of firstly respectively forming and processing a plastic positioning ring, a central plastic sleeve, an upper copper ring, a lower copper ring, a left wiring pin, a right wiring pin and a C-shaped metal plate, punching the front and rear positions of the C-shaped metal plate to form an arc striking contact, welding the lower end of the left wiring pin to be fixed in an inner hole of a lower copper ring, welding the lower end of the right wiring pin to be fixed in an inner hole of the upper copper ring, welding the C-shaped metal plate and the right wiring pin to be fixed, sleeving the upper copper ring and the lower copper ring on the central plastic sleeve together, then placing the plastic positioning ring in the middle of the C-shaped metal plate to support and position the C-shaped metal plate, arranging a positioning groove in the plastic positioning ring to position the left wiring pin, then placing the assembly into a die to perform injection molding, and forming a forming cavity of the plastic filling die to form a plastic shell of the collecting ring, thereby completing production of the collecting ring product. The invention can better ensure the product quality, improve the product qualification rate and prolong the service life.

Description

Production process of collecting ring of automobile generator
Technical Field
The invention relates to a generator of a hybrid electric vehicle, in particular to a production process of a collecting ring of the generator of the hybrid electric vehicle.
Background
The current collecting ring of the generator of the hybrid electric vehicle in the prior art, such as the collecting ring used on the generator of the hybrid electric vehicle of brands such as Toyota, corolla, honda, accord, etc., the production process is as follows: the method comprises the steps of firstly, respectively forming and processing an upper copper ring, a lower copper ring, a left wire connecting pin and a right wire connecting pin, welding and fixing the lower end of the left wire connecting pin to an inner hole of a lower copper ring, welding and fixing the lower end of the right wire connecting pin to an inner hole of an upper copper ring, then placing the upper copper ring and the lower copper ring together into an injection mold for injection molding, forming a plastic shell of a collecting ring by a molding cavity of the plastic filling mold, and completing production of a collecting ring product. The collector ring produced by the process has the following defects: the length of the left and right wire connecting pins is longer, and the positions of the wire connecting pins are easy to deviate because the wire connecting pins cannot be effectively positioned and the strength is insufficient when the wire connecting pins and the plastic shell are integrally injection molded in a die; in addition, when the collecting ring works, electric sparks are easy to generate when the collecting ring contacts with the electric brushes, if the arc striking contact pieces are arranged on the wire connecting pins, the positions of the arc striking contacts on the arc striking contact pieces are also deviated due to the deviation of the positions of the wire connecting pins, so that the arc striking function is lost; in addition, when the collecting ring is installed, the rotating shaft is pressed into the central shaft hole of the plastic shell, and the plastic shell is easy to crack during pressing of the rotating shaft due to the fact that the wall thickness of the central shaft hole of the plastic shell is thinner, so that products are scrapped. In conclusion, the conditions can seriously influence the quality of the product, the product quality cannot be effectively ensured, and the qualification rate of the product is low.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the production process of the collecting ring of the automobile generator, which can better ensure the quality of products, improve the qualification rate of the products and prolong the service life.
The invention is completed by adopting the following technical scheme:
the production process of the collecting ring of the automobile generator is characterized by comprising the following steps of: the method comprises the steps of firstly respectively forming and processing a plastic positioning ring, a central plastic sleeve, an upper copper ring, a lower copper ring, a left wiring pin, a right wiring pin and a C-shaped metal plate, forming an arc striking contact by stamping the front and rear positions of the C-shaped metal plate, welding the lower end of the left wiring pin to fix the inner hole of the lower copper ring, welding the lower end of the right wiring pin to fix the inner hole of the upper copper ring, welding the C-shaped metal plate and the right wiring pin to fix the welding position at the position when the right wiring pin leaves the upper copper ring, sleeving the upper copper ring and the lower copper ring together on the central plastic sleeve, radially positioning the inner hole of the upper copper ring by an upper positioning sleeve of the central plastic sleeve, radially positioning the inner hole of the lower copper ring by a lower positioning sleeve of the central plastic sleeve, then positioning the C-shaped metal plate by placing a plastic positioning ring in the middle of the C-shaped metal plate, positioning the plastic positioning ring is provided with a positioning groove for positioning the left wiring pin, putting the assembly into a die for injection molding after the assembly of the parts, and forming a plastic shell of the collecting ring by filling a molding cavity of the die.
According to the electric generator collecting ring of the hybrid electric vehicle, which is produced by the technical scheme, the C-shaped metal sheet is arranged, the arc striking contact is arranged on the C-shaped metal sheet to play a role in leading out electric arcs, electric sparks generated when the collecting ring works and contacts with the electric brushes are reduced, in addition, before the collecting ring is integrally injection molded with the plastic shell, the plastic positioning ring is specially arranged to position the C-shaped metal sheet in an internal supporting way, so that the supporting strength of the C-shaped metal sheet and the right wire connecting pin is improved, the positions of the right wire connecting pin and the arc striking contact are not deviated during injection molding, meanwhile, the plastic positioning ring is provided with the positioning groove to position the left wire connecting pin which passes through, the position of the left wire connecting pin is not deviated during injection molding, the product quality is better ensured, the product percent of pass is improved, the electric sparks are reduced, and the service life of the product is prolonged; in addition, before the integral injection molding with the plastic shell, the upper copper ring and the lower copper ring are radially positioned on the central plastic sleeve, and the central plastic sleeve is provided with a central shaft hole for the press fitting of the rotating shaft, so that after the integral injection molding of the product, the central plastic sleeve can disperse the press fitting stress, the stress concentration of the press fitting is avoided to act on the plastic shell, and the plastic shell is prevented from cracking to cause the scrapping of the product.
Preferably, the left wire leg and the lower copper ring are subjected to ultrasonic welding, and the right wire leg and the upper copper ring are subjected to resistance welding.
Drawings
The invention has the following drawings:
figure 1 is a diagram showing the outline structure of the collector ring of the automobile generator produced by the invention,
figure 2 is a split block diagram of the automotive generator slip ring of figure 1 with the plastic housing removed,
fig. 3 is a diagram showing the positional relationship between the plastic positioning ring and the C-shaped metal sheet, and the left and right wiring legs.
Detailed Description
As shown in the figure, the collecting ring of the automobile generator produced by the process comprises a plastic shell 1 and an upper copper ring and a lower copper ring, wherein the inner hole of the upper copper ring 5 is welded with the lower end of a right wiring pin 3, the right wiring pin 3 is welded with a C-shaped metal plate 8 when leaving the upper copper ring, the C-shaped metal plate 8 is provided with an arc striking contact 4 formed by punching at the front and rear positions, the middle of the C-shaped metal plate 8 is provided with a plastic positioning ring 7 for positioning the C-shaped metal plate in an inner supporting way, the inner hole of the lower copper ring 6 is welded with the lower end of a left wiring pin 2, the plastic positioning ring 7 is provided with a positioning groove 71 for positioning the left wiring pin 2 passing through, the upper copper ring, the lower copper ring, the left wiring pin, the right wiring pin, the C-shaped metal plate 8, the plastic positioning ring 7 and the plastic shell 1 are integrally injection molded, a central plastic sleeve 9 is also integrally injection molded with the plastic shell 1, the upper part of the central plastic sleeve 9 is reduced in diameter, the inner hole of the upper copper ring 5 is radially positioned by the upper positioning sleeve 91, the lower positioning sleeve 92 is formed by the lower positioning sleeve 9, the diameter of the lower positioning sleeve 6 is radially reduced, and the positioning sleeve 92 is arranged by the lower positioning sleeve 6 is radially positioning the inner hole of the central plastic sleeve, and the central positioning sleeve is arranged by the positioning sleeve 10, and the positioning shaft is arranged by the positioning sleeve 10.
The invention relates to a production process of a collecting ring of an automobile generator, which comprises the following steps: firstly, respectively forming and processing a plastic positioning ring 7, a central plastic sleeve 9, an upper copper ring, a lower copper ring, left and right wire pins and a C-shaped metal sheet 8, wherein the front and rear positions of the C-shaped metal sheet 8 are punched to form an arc striking contact 4, the lower end of the left wire pin 2 is welded and fixed in an inner hole of the lower copper ring 6 in an ultrasonic welding mode, the lower end of the right wire pin 3 is welded and fixed in an inner hole of the upper copper ring 5 in a resistance welding mode, the C-shaped metal sheet 8 and the right wire pin 3 are welded and fixed, the welding position is at the position when the right wire pin 3 leaves the upper copper ring 5, then the upper copper ring and the lower copper ring are sleeved on the central plastic sleeve 9 together, the inner hole of the upper copper ring 5 is radially positioned by an upper positioning sleeve 91 of the central plastic sleeve, the inner hole of the lower copper ring 6 is radially positioned by a lower positioning sleeve 92 of the central plastic sleeve, then the inner supporting and positioning of the C-shaped metal sheet is positioned in the middle of the C-shaped metal sheet 8, the plastic positioning ring 7 is provided with a positioning groove 71 to position the left wire pin 2, after the assembly is completed, the assembly is placed into a collecting ring 1, a collecting ring is formed by filling and a plastic forming die, and a collecting ring is formed, and a collecting cavity is formed. The collecting ring product produced by the process can better ensure the product quality, improve the product qualification rate, reduce the generation of electric sparks and prolong the service life of the product.

Claims (2)

1. The production process of the collecting ring of the automobile generator is characterized by comprising the following steps of: the method comprises the steps of firstly respectively forming and processing a plastic positioning ring, a central plastic sleeve, an upper copper ring, a lower copper ring, a left wiring pin, a right wiring pin and a C-shaped metal plate, forming an arc striking contact by stamping the front and rear positions of the C-shaped metal plate, welding and fixing the lower end of the left wiring pin to an inner hole of the lower copper ring, welding and fixing the lower end of the right wiring pin to an inner hole of the upper copper ring, welding and fixing the C-shaped metal plate and the right wiring pin, positioning the right wiring pin at a position when leaving the upper copper ring, sleeving the upper copper ring and the lower copper ring on the central plastic sleeve together, radially positioning the inner hole of the upper copper ring by an upper positioning sleeve of the central plastic sleeve, radially positioning the inner hole of the lower copper ring by a lower positioning sleeve of the central plastic sleeve, then positioning the C-shaped metal plate by an inner support by a plastic positioning ring, positioning groove for positioning the left wiring pin, putting the assembly into a die after the assembly of the parts, performing injection molding, forming a plastic shell of the collecting ring by a plastic filling cavity of the die, and exposing the arc striking contact from the plastic shell, and completing the production of the collecting ring product.
2. The process for producing the collecting ring of the automobile generator according to claim 1, wherein the process comprises the following steps: the left wire connecting pin and the lower copper ring are subjected to ultrasonic welding, and the right wire connecting pin and the upper copper ring are subjected to resistance welding.
CN202210161566.7A 2022-02-22 2022-02-22 Production process of collecting ring of automobile generator Active CN114512873B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210161566.7A CN114512873B (en) 2022-02-22 2022-02-22 Production process of collecting ring of automobile generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210161566.7A CN114512873B (en) 2022-02-22 2022-02-22 Production process of collecting ring of automobile generator

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CN114512873A CN114512873A (en) 2022-05-17
CN114512873B true CN114512873B (en) 2023-08-11

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101295851A (en) * 2007-04-27 2008-10-29 上海法雷奥汽车电器系统有限公司 Collecting ring used for alternating-current generator and manufacturing method thereof
CN203434421U (en) * 2013-07-17 2014-02-12 深圳市凯中精密技术股份有限公司 Novel collector ring
CN211606331U (en) * 2020-02-18 2020-09-29 威睿电动汽车技术(宁波)有限公司 Collecting ring device, motor rotor and motor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101295851A (en) * 2007-04-27 2008-10-29 上海法雷奥汽车电器系统有限公司 Collecting ring used for alternating-current generator and manufacturing method thereof
CN203434421U (en) * 2013-07-17 2014-02-12 深圳市凯中精密技术股份有限公司 Novel collector ring
CN211606331U (en) * 2020-02-18 2020-09-29 威睿电动汽车技术(宁波)有限公司 Collecting ring device, motor rotor and motor

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CN114512873A (en) 2022-05-17

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