CN113871920A - Vehicle-mounted connector metal terminal and manufacturing method thereof - Google Patents
Vehicle-mounted connector metal terminal and manufacturing method thereof Download PDFInfo
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- CN113871920A CN113871920A CN202111023205.8A CN202111023205A CN113871920A CN 113871920 A CN113871920 A CN 113871920A CN 202111023205 A CN202111023205 A CN 202111023205A CN 113871920 A CN113871920 A CN 113871920A
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 62
- 239000002184 metal Substances 0.000 title claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 239000003921 oil Substances 0.000 claims abstract description 58
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052802 copper Inorganic materials 0.000 claims abstract description 51
- 239000010949 copper Substances 0.000 claims abstract description 51
- 238000001746 injection moulding Methods 0.000 claims abstract description 33
- 239000000428 dust Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000004080 punching Methods 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 238000004806 packaging method and process Methods 0.000 claims abstract description 11
- 239000010687 lubricating oil Substances 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims description 30
- 239000011248 coating agent Substances 0.000 claims description 28
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 22
- 238000004140 cleaning Methods 0.000 claims description 20
- 239000002699 waste material Substances 0.000 claims description 18
- 238000007664 blowing Methods 0.000 claims description 7
- 238000010008 shearing Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 3
- CXOWYMLTGOFURZ-UHFFFAOYSA-N azanylidynechromium Chemical compound [Cr]#N CXOWYMLTGOFURZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000009713 electroplating Methods 0.000 claims description 3
- 238000005422 blasting Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 abstract description 9
- 238000002360 preparation method Methods 0.000 abstract description 5
- 230000003449 preventive effect Effects 0.000 description 9
- 238000005488 sandblasting Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- 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
- H01R43/002—Maintenance of line connectors, e.g. cleaning
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a vehicle-mounted connector metal terminal which comprises an injection molding piece, a mounting groove, a partition piece and a metal terminal, wherein the mounting groove is formed in the top end of the injection molding piece; the invention also provides a preparation method of the metal terminal of the vehicle-mounted connector, which comprises the following steps: in the processing process, a discharging device, a punching machine, an oil passing device, a detection device, a cutting device, a packaging device and a dust removal device are required to be used; s1: selecting a copper strip made of a proper material, placing the copper strip on the top end of the discharging device, and starting the discharging device to rotate the copper strip, so that the copper strip is uniformly conveyed into the punching machine; s2: the oil spraying machine is arranged on the side face of the stamping punch, and the lubricating oil is sprayed on the surface of the copper strip when the copper strip enters the stamping punch through the discharging device.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a metal terminal of a vehicle-mounted connector and a manufacturing method thereof.
Background
Automotive connectors are a component that is frequently accessed by electronics engineers. Its effect is very simple: a bridge for communication is erected between the blocked part or isolated and non-communicated circuits in the circuit, so that current flows, and the circuit achieves the preset function. The form and structure of the automobile connector are varied, and the automobile connector mainly comprises four basic structural components, namely: contact, housing (depending on the species), insulator, accessory. In the industry, the metal terminal of the automobile connector is generally also called as a sheath, a connector and a plastic shell, multiple processes are needed to be used for production in the production process, the existing processing method is relatively backward, the problem of burrs easily occurs on the surface of the produced metal terminal, meanwhile, the yield is relatively low, the working efficiency is relatively poor, and the service life of the metal terminal is relatively short.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides the metal terminal of the vehicle-mounted connector and the manufacturing method thereof, has good product quality and high production efficiency, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a vehicle-mounted connector metal terminal comprises an injection molding piece, a mounting groove, a partition piece and a metal terminal, wherein the mounting groove is formed in the top end of the injection molding piece, the partition piece is arranged in the middle of the inside of the injection molding piece, and the metal terminal is inserted into the bottom end of the injection molding piece;
the invention also provides a preparation method of the metal terminal of the vehicle-mounted connector, which comprises the following steps:
in the processing process, a discharging device, a punching machine, an oil passing device, a detection device, a cutting device, a packaging device and a dust removal device are required to be used;
s1: selecting a copper strip made of a proper material, placing the copper strip on the top end of the discharging device, and starting the discharging device to rotate the copper strip, so that the copper strip is uniformly conveyed into the punching machine;
s2: installing an oil sprayer on the side surface of the stamping punch, and spraying lubricating oil on the surface of the copper strip when the copper strip enters the stamping punch through a discharging device;
s3; selecting a proper stamping die according to the processing requirement, installing the stamping die on a stamping machine, conveying the entering copper strip to perform stamping forming through the stamping die, and detecting the rolled material of the stamped workpiece through an automatic measuring instrument;
s4: the qualified workpiece coil materials are detected and enter the oil passing device to be soaked for 10-20s, the surfaces of the workpiece coil materials after being soaked are cleaned through a dryer, waste oil generated by cleaning is collected through an oil collecting box, and the waste oil is used again after being filtered;
s5: the oiled workpiece coiling line is fed into a material pouring device to be coiled again, the position of a needle head is adjusted, then the needle head is cut into a finished metal terminal by using a cutting device, and the cut metal terminal is detected by using a detection device according to data such as the length and the like;
s6: conveying the qualified metal terminals into an assembling device, simultaneously placing an injection molding piece into the assembling device, and inserting the metal terminals into the bottom end of the injection molding piece by the assembling device to complete assembling work;
s7: inspecting the assembled finished product, and placing the inspected finished product into a dust removal device for dust removal for 0.1-0.2 h;
s8: and uniformly packaging the finished products after dust removal.
Preferably, in step S1, the copper strip needs to be cleaned by a cleaning roller before being conveyed, an adhesive pad is sleeved on the outer side of the cleaning roller, and a mis-feeding device is installed on the feeding device.
Preferably, in step S3, the waste box is placed on the bottom of the punch press and is press-fixed using a weight.
Preferably, the surface coating of the stamping die is increased, and the outer side of the coating is adhered with a wear-resistant coating which can be a titanium nitride coating, a chromium nitride coating or a diamond coating.
Preferably, a blow hole is formed in the punch of the stamping die, the diameter of the blow hole is 1-3cm, and an ejector pin is additionally arranged on the shearing punch of the stamping die.
Preferably, the oil passing device uses anti-rust oil, and the anti-rust oil can be electroplating anti-rust oil, wax film anti-rust oil or water-soluble anti-rust oil.
Preferably, in step S3, before the press mold is mounted, the surface of the press mold needs to be sandblasted using a sandblaster.
Compared with the prior art, the invention has the beneficial effects that: the metal terminal of the vehicle-mounted connector and the manufacturing method thereof have the following advantages:
1. according to the invention, before the copper strip metal is conveyed, the cleaning roller is used for bonding and cleaning impurities such as dust and small particles on the surface of the copper strip metal, so that the impurities are prevented from influencing subsequent processing, meanwhile, a pinhole of the installed mis-feeding device can be inserted into a gap of a material strip, normal production can be realized after detection, otherwise, the pinhole meets the surface of the copper strip to form an electric circuit, production can be automatically cut off, and thus the problem of dislocation of the copper strip can be prevented;
2. the quantity of the surface coatings of the stamping die is increased, the hardness of the stamping die can be improved by matching with the wear-resistant coating on the outer side of the coatings, so that the wear is reduced, the service life is prolonged, the utilization rate is improved, and the floating of waste materials can be effectively reduced by the air blowing holes at the punch of the stamping die and the ejector pins on the shearing punch;
3. rust on the surface of the copper strip can be effectively removed by the anti-rust oil in the oil passing device, the problem of rust in subsequent use can be prevented, and meanwhile, the adopted multiple detection device can effectively detect the production process of the metal terminal, so that the quality of a finished product is improved;
4. the sand blasting machine is used for carrying out sand blasting treatment on the surface of the die part, the roughness is increased, burrs on the metal terminal product are finally reduced, dust on the surface of the product in the production process can be removed by removing dust from the finished product, and the quality of the finished product is further improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1 injection molding, 2 mounting grooves, 3 separators and 4 metal terminals.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with 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.
The first embodiment is as follows:
a vehicle-mounted connector metal terminal comprises an injection molding piece 1, a mounting groove 2, a partition piece 3 and a metal terminal 4, wherein the mounting groove 2 is formed in the top end of the injection molding piece 1, the partition piece 3 is arranged in the middle of the inside of the injection molding piece 1, and the metal terminal 4 is inserted into the bottom end of the injection molding piece 1;
a preparation method of a metal terminal of a vehicle-mounted connector comprises the following steps:
in the processing process, a discharging device, a punching machine, an oil passing device, a detection device, a cutting device, a packaging device and a dust removal device are required to be used;
s1: selecting a copper strip made of a proper material, placing the copper strip on the top end of a placing device, starting the placing device to enable the copper strip to rotate, so that the copper strip is uniformly conveyed into a punching press, cleaning the surface of the copper strip by using a cleaning roller before conveying, sleeving an adhesive pad on the outer side of the cleaning roller, and installing a mis-feeding device on a feeding device;
s2: installing an oil sprayer on the side surface of the stamping punch, and spraying lubricating oil on the surface of the copper strip when the copper strip enters the stamping punch through a discharging device;
s3; selecting a proper stamping die according to the processing requirement, before installing the stamping die, carrying out sand blasting treatment on the surface of the stamping die by using a sand blasting machine, installing the stamping die on a stamping punch, carrying the entering copper strip to carry out stamping forming through the stamping die, placing a waste material box at the bottom of the stamping punch, compacting and fixing the waste material box by using a heavy object, detecting a coiled material of a stamped workpiece through an automatic measuring instrument, increasing the surface coating of the stamping die, adhering a wear-resistant coating on the outer side of the coating, selecting a titanium nitride coating as the wear-resistant coating, arranging a blow hole at the punch of the stamping die, wherein the diameter of the blow hole is 1cm, and adding a thimble on a shearing punch of the stamping die;
s4: the qualified workpiece coil stock after detection enters the oil passing device to be soaked for 10s, the surface of the soaked workpiece coil stock is cleaned through a dryer, waste oil generated by cleaning is collected through an oil collecting box, the waste oil is filtered and then is reused, the oil passing device uses rust preventive oil, and the rust preventive oil is electroplating rust preventive oil;
s5: the oiled workpiece coiling line is fed into a material pouring device to be coiled again, the position of a needle head is adjusted, then the needle head is cut into a finished metal terminal 4 by using a cutting device, and the cut metal terminal 4 detects data such as the length and the like by using a detection device;
s6: conveying the qualified metal terminal 4 into an assembling device, simultaneously placing the injection molding part 1 into the assembling device, and inserting the metal terminal 4 into the bottom end of the injection molding part 1 by the assembling device to complete assembling work;
s7: inspecting the assembled finished product, and placing the inspected finished product into a dust removal device for dust removal, wherein the dust removal time is 0.1 h;
s8: and uniformly packaging the finished products after dust removal.
Example two:
a vehicle-mounted connector metal terminal comprises an injection molding piece 1, a mounting groove 2, a partition piece 3 and a metal terminal 4, wherein the mounting groove 2 is formed in the top end of the injection molding piece 1, the partition piece 3 is arranged in the middle of the inside of the injection molding piece 1, and the metal terminal 4 is inserted into the bottom end of the injection molding piece 1;
a preparation method of a metal terminal of a vehicle-mounted connector comprises the following steps:
in the processing process, a discharging device, a punching machine, an oil passing device, a detection device, a cutting device, a packaging device and a dust removal device are required to be used;
s1: selecting a copper strip made of a proper material, placing the copper strip on the top end of a placing device, starting the placing device to enable the copper strip to rotate, so that the copper strip is uniformly conveyed into a punching press, cleaning the surface of the copper strip by using a cleaning roller before conveying, sleeving an adhesive pad on the outer side of the cleaning roller, and installing a mis-feeding device on a feeding device;
s2: installing an oil sprayer on the side surface of the stamping punch, and spraying lubricating oil on the surface of the copper strip when the copper strip enters the stamping punch through a discharging device;
s3; selecting a proper stamping die according to the processing requirement, before installing the stamping die, carrying out sand blasting treatment on the surface of the stamping die by using a sand blasting machine, installing the stamping die on a stamping punch, carrying the entering copper strip to carry out stamping forming through the stamping die, placing a waste material box at the bottom of the stamping punch, compacting and fixing the waste material box by using a heavy object, detecting a coiled material of a stamped workpiece through an automatic measuring instrument, increasing the surface coating of the stamping die, adhering a wear-resistant coating on the outer side of the coating, selecting a chromium nitride coating as the wear-resistant coating, arranging a blowing hole at the punch of the stamping die, wherein the diameter of the blowing hole is 2cm, and adding a thimble on a shearing punch of the stamping die;
s4: the qualified workpiece coil stock after detection enters the oil passing device to be soaked for 15s, the surface of the soaked workpiece coil stock is cleaned through a dryer, waste oil generated by cleaning is collected through an oil collecting box, the waste oil is filtered and then is reused, the oil passing device uses rust preventive oil, and the rust preventive oil is wax film rust preventive oil;
s5: the oiled workpiece coiling line is fed into a material pouring device to be coiled again, the position of a needle head is adjusted, then the needle head is cut into a finished metal terminal 4 by using a cutting device, and the cut metal terminal 4 detects data such as the length and the like by using a detection device;
s6: conveying the qualified metal terminal 4 into an assembling device, simultaneously placing the injection molding part 1 into the assembling device, and inserting the metal terminal 4 into the bottom end of the injection molding part 1 by the assembling device to complete assembling work;
s7: inspecting the assembled finished product, and placing the inspected finished product into a dust removal device for dust removal, wherein the dust removal time is 0.15 h;
s8: and uniformly packaging the finished products after dust removal.
Example three:
a vehicle-mounted connector metal terminal comprises an injection molding piece 1, a mounting groove 2, a partition piece 3 and a metal terminal 4, wherein the mounting groove 2 is formed in the top end of the injection molding piece 1, the partition piece 3 is arranged in the middle of the inside of the injection molding piece 1, and the metal terminal 4 is inserted into the bottom end of the injection molding piece 1;
a preparation method of a metal terminal of a vehicle-mounted connector comprises the following steps:
in the processing process, a discharging device, a punching machine, an oil passing device, a detection device, a cutting device, a packaging device and a dust removal device are required to be used;
s1: selecting a copper strip made of a proper material, placing the copper strip on the top end of a placing device, starting the placing device to enable the copper strip to rotate, so that the copper strip is uniformly conveyed into a punching press, cleaning the surface of the copper strip by using a cleaning roller before conveying, sleeving an adhesive pad on the outer side of the cleaning roller, and installing a mis-feeding device on a feeding device;
s2: installing an oil sprayer on the side surface of the stamping punch, and spraying lubricating oil on the surface of the copper strip when the copper strip enters the stamping punch through a discharging device;
s3; selecting a proper stamping die according to the processing requirement, before installing the stamping die, carrying out sand blasting treatment on the surface of the stamping die by using a sand blasting machine, installing the stamping die on a stamping punch, carrying the entering copper strip to carry out stamping forming through the stamping die, placing a waste material box at the bottom of the stamping punch, compacting and fixing the waste material box by using a heavy object, detecting a coiled material of a stamped workpiece through an automatic measuring instrument, increasing the surface coating of the stamping die, adhering a wear-resistant coating on the outer side of the coating, selecting a diamond coating as the wear-resistant coating, arranging a blowing hole at the punch of the stamping die, wherein the diameter of the blowing hole is 3cm, and adding a thimble on a shearing punch of the stamping die;
s4: the qualified workpiece coil materials are detected and enter the oil passing device to be soaked for 20s, the surfaces of the soaked workpiece coil materials are cleaned through a dryer, waste oil generated by cleaning is collected through an oil collecting box, the waste oil is filtered and then is reused, the oil passing device uses rust preventive oil, and the rust preventive oil is water-soluble rust preventive oil;
s5: the oiled workpiece coiling line is fed into a material pouring device to be coiled again, the position of a needle head is adjusted, then the needle head is cut into a finished metal terminal 4 by using a cutting device, and the cut metal terminal 4 detects data such as the length and the like by using a detection device;
s6: conveying the qualified metal terminal 4 into an assembling device, simultaneously placing the injection molding part 1 into the assembling device, and inserting the metal terminal 4 into the bottom end of the injection molding part 1 by the assembling device to complete assembling work;
s7: inspecting the assembled finished product, and placing the inspected finished product into a dust removal device for dust removal, wherein the dust removal time is 0.2 h;
s8: and uniformly packaging the finished products after dust removal.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides an on-vehicle connector metal terminal which characterized in that: including injection molding 1, mounting groove 2, separator 3 and metal terminal 4, the top of injection molding 1 is equipped with mounting groove 2, separator 3 establishes in the inside centre of injection molding 1, the bottom of injection molding 1 is pegged graft and is had metal terminal 4.
2. A manufacturing method of a metal terminal of a vehicle-mounted connector is characterized by comprising the following steps: in the processing process, a discharging device, a punching machine, an oil passing device, a detection device, a cutting device, a packaging device and a dust removal device are required to be used;
s1: selecting a copper strip made of a proper material, placing the copper strip on the top end of the discharging device, and starting the discharging device to rotate the copper strip, so that the copper strip is uniformly conveyed into the punching machine;
s2: installing an oil sprayer on the side surface of the stamping punch, and spraying lubricating oil on the surface of the copper strip when the copper strip enters the stamping punch through a discharging device;
s3; selecting a proper stamping die according to the processing requirement, installing the stamping die on a stamping machine, conveying the entering copper strip to perform stamping forming through the stamping die, and detecting the rolled material of the stamped workpiece through an automatic measuring instrument;
s4: the qualified workpiece coil materials are detected and enter the oil passing device to be soaked for 10-20s, the surfaces of the workpiece coil materials after being soaked are cleaned through a dryer, waste oil generated by cleaning is collected through an oil collecting box, and the waste oil is used again after being filtered;
s5: the oiled workpiece coiling line is fed into a material pouring device to be coiled again, the position of a needle head is adjusted, then the needle head is cut into a finished metal terminal 4 by using a cutting device, and the cut metal terminal 4 detects data such as the length and the like by using a detection device;
s6: conveying the qualified metal terminal 4 into an assembling device, simultaneously placing the injection molding part 1 into the assembling device, and inserting the metal terminal 4 into the bottom end of the injection molding part 1 by the assembling device to complete assembling work;
s7: inspecting the assembled finished product, and placing the inspected finished product into a dust removal device for dust removal for 0.1-0.2 h;
s8: and uniformly packaging the finished products after dust removal.
3. The method for manufacturing a metal terminal of a vehicle-mounted connector according to claim 2, wherein: in step S1, the copper strip needs to be cleaned by a cleaning roller before being conveyed, an adhesive pad is sleeved on the outer side of the cleaning roller, and a misdelivery device is installed on the feeding device.
4. The method for manufacturing a metal terminal of a vehicle-mounted connector according to claim 2, wherein: in step S3, the scrap box is placed on the bottom of the punch press and is press-fixed using a weight.
5. The method for manufacturing a metal terminal of a vehicle-mounted connector according to claim 2, wherein: the surface coating of the stamping die is increased, and the outer side of the coating is stuck with a wear-resistant coating which can be a titanium nitride coating, a chromium nitride coating or a diamond coating.
6. The method for manufacturing a metal terminal of a vehicle-mounted connector according to claim 2, wherein: and a punch of the stamping die is provided with a gas blowing hole, the diameter of the gas blowing hole is 1-3cm, and an ejector pin is additionally arranged on a shearing punch of the stamping die.
7. The method for manufacturing a metal terminal of a vehicle-mounted connector according to claim 2, wherein: the oil passing device uses anti-rust oil, and the anti-rust oil can be electroplating anti-rust oil, wax film anti-rust oil or water-soluble anti-rust oil.
8. The method for manufacturing a metal terminal of a vehicle-mounted connector according to claim 2, wherein: in step S3, before the press mold is mounted, it is necessary to blast-blast the surface of the press mold using a blasting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111023205.8A CN113871920A (en) | 2021-09-02 | 2021-09-02 | Vehicle-mounted connector metal terminal and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111023205.8A CN113871920A (en) | 2021-09-02 | 2021-09-02 | Vehicle-mounted connector metal terminal and manufacturing method thereof |
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| CN113871920A true CN113871920A (en) | 2021-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115497767A (en) * | 2022-10-25 | 2022-12-20 | 宁波奥博汽车电器有限公司 | Processing technology and equipment for electromagnetic switch of automobile starter |
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| CN115497767B (en) * | 2022-10-25 | 2023-09-01 | 宁波奥博汽车电器有限公司 | Processing technology and equipment for electromagnetic switch of automobile starter |
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