CN111843396A - Technological method for one-time finished product of locking pawl of automobile safety belt - Google Patents
Technological method for one-time finished product of locking pawl of automobile safety belt Download PDFInfo
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- CN111843396A CN111843396A CN202010771110.3A CN202010771110A CN111843396A CN 111843396 A CN111843396 A CN 111843396A CN 202010771110 A CN202010771110 A CN 202010771110A CN 111843396 A CN111843396 A CN 111843396A
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- finished product
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- heat treatment
- safety belt
- automobile safety
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/18—Anchoring devices
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- Powder Metallurgy (AREA)
Abstract
The invention relates to a process method for one-time finished products of locking claws of an automobile safety belt, which comprises a series of process flows of prefabricating a die, preparing raw materials, performing high-pressure one-time forming, sintering at high temperature, soaking in oil, cleaning, performing heat treatment, rolling and polishing, inspecting and packaging, and solves the process difficulties of inconvenient operation and even incapability of operation in the traditional metal part processing at one time; the method has the advantages of safety, high efficiency, simple process, high precision, low defective rate and cost reduction, and the manufactured finished product has better physical and chemical properties such as hardness, density, smoothness, wear resistance, corrosion resistance and the like than forged and cast metal pieces.
Description
Technical Field
The invention relates to the field of manufacturing process methods of automobile parts, in particular to a process method for one-time finished products of locking claws of automobile safety belts.
Background
The traditional metal part manufacturing process mostly adopts a forging method or a casting method, and metal raw materials are melted at high temperature to be manufactured into blanks, and then the blanks are processed into required shapes and sizes of the metal parts through mechanical equipment. However, some metal parts have abnormal structures, and some corners are inconvenient to process and even impossible to process. Meanwhile, the problems of complex process, multiple devices, high temperature danger in the manufacturing process, waste material generated in processing, frequent industrial accidents and the like exist.
In view of the above, it is a practical need to scientifically invent a process for one-time finishing of the locking pawl of the automobile safety belt to avoid the above-mentioned problems.
Disclosure of Invention
The invention aims to solve the technical problem that a technological method for one-time finished products of locking claws of automobile safety belts is scientifically invented and designed, a series of technological processes of prefabricating a die, preparing raw materials, high-pressure one-time forming, high-temperature sintering, oil immersion, cleaning, heat treatment, rolling polishing, inspection and packaging are adopted, one-time manufacture from the raw materials to finished products is achieved, the traditional re-processing processes of machine drilling, slotting and the like are omitted, and the technological difficulties of inconvenient operation and even incapability of operation in the traditional metal part processing are all solved at one time; the method has the advantages of safety, high efficiency, simple process, high accuracy, low defective rate and cost reduction, and the manufactured finished product has better physical and chemical properties such as hardness, density, smoothness, wear resistance, corrosion resistance and the like than forged and cast metal pieces.
The technical scheme adopted by the invention for solving the technical problems is as follows: a process method for one-time finished products of locking claws of automobile safety belts comprises the steps of manufacturing a die, preparing raw materials, high-pressure forming, high-temperature sintering, oil immersion, cleaning, heat treatment, rolling polishing, inspection and packaging;
firstly, a plurality of sets of manufacturing dies for compression molding are manufactured according to the shape and the size of a product to be manufactured;
further, according to the components of the product to be manufactured, the metal powder raw material, the metal semi-fluid raw material and the metal liquid raw material are proportioned and uniformly stirred according to the proportion to prepare the preparation raw material;
further, filling the preparation raw materials into the manufacturing mold, and completing the high-pressure molding through high-pressure equipment;
further, conveying the high-pressure formed semi-finished product into a high-temperature furnace for high-temperature sintering;
further, instantly immersing the semi-finished product sintered at the high temperature into cold oil for cooling and quenching to finish the oil immersion process operation;
further, putting the semi-finished product after oil immersion into anti-rust oil for cleaning;
further, conveying the cleaned semi-finished product into heat treatment equipment for heat treatment;
further, putting the semi-finished product after the heat treatment into rolling polishing equipment for rolling polishing, so that the surface of the semi-finished product is smooth and clean after rolling friction to obtain a finished product;
further, the finished products after the rolling polishing are subjected to one-by-one inspection, and defective products are removed;
further, the inspected finished product is packaged;
a series of technological processes for forming a primary finished product of the locking pawl of the automobile safety belt.
The automobile safety belt locking claw comprises a base and special-shaped locking claw teeth, the base and the special-shaped locking claw teeth are an integral metal piece, the connecting part of the special-shaped locking claw teeth and the base presents corners and corners which cannot be machined by a traditional metal machining process, and objective difficulty exists.
The invention has the beneficial effects that a technological method for one-time finished products of the locking pawl of the automobile safety belt is scientifically invented and designed, and comprises a series of technological processes of prefabricating a die, preparing raw materials, high-pressure one-time forming, high-temperature sintering, oil immersion, cleaning, heat treatment, rolling polishing, inspection and packaging, so that one-time manufacture from the raw materials to finished products is realized, and the traditional machine drilling, slotting and other reprocessing processes are omitted; the method has the advantages of safety, high efficiency, simple process, high precision, low defective rate and cost reduction, and the manufactured finished product has better physical and chemical properties such as hardness, density, smoothness, wear resistance, corrosion resistance and the like than forged and cast metal pieces.
Drawings
FIG. 1 is a schematic view of the overall process flow of the present invention;
fig. 2 is a schematic view of the entire structure of the locking pawl of the seatbelt for an automobile of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The specific embodiment is as follows:
in this embodiment, as shown in fig. 1, a process method for manufacturing a primary finished product of an automobile safety belt locking pawl comprises the steps of manufacturing a mold 1, preparing raw materials 2, high-pressure forming 3, high-temperature sintering 4, oil immersion 5, cleaning 6, heat treatment 7, rolling polishing 8, checking 9 and packaging 10;
firstly, a plurality of sets of manufacturing dies 1 for compression molding are manufactured according to the shape and the size of a product to be manufactured;
further, according to the components of the product to be manufactured, the metal powder raw material, the metal semi-fluid raw material and the metal liquid raw material are proportioned and uniformly stirred according to the proportion to prepare the preparation raw material 2;
further, filling the preparation raw material 2 into the manufacturing mold 1, and completing the high-pressure molding 3 through high-pressure equipment;
further, conveying the semi-finished product of the high-pressure forming 3 into a high-temperature furnace for high-temperature sintering 4;
further, instantly immersing the semi-finished product of the high-temperature sintering 4 into cold oil for cooling and quenching to complete the technological operation of the oil immersion 5;
further, putting the semi-finished product soaked with the oil 5 into anti-rust oil for cleaning 6;
further, conveying the cleaned 6 semi-finished product into a heat treatment device for heat treatment 7;
further, putting the semi-finished product subjected to the heat treatment 7 into rolling polishing equipment for rolling polishing 8, so that the surface of the semi-finished product is smooth and clean after rolling friction to form a finished product;
further, the finished products after the rolling polishing 8 are subjected to the inspection 9 one by one, and defective products are removed;
further, subjecting the inspected 9 finished product to the packaging 10;
a series of technological processes for forming a primary finished product of the locking pawl of the automobile safety belt.
In this embodiment, as shown in fig. 2, the locking pawl 11 of the automobile safety belt comprises a base 12 and a specially-shaped locking pawl tooth 14, the base 12 and the specially-shaped locking pawl tooth 14 are a unitary metal piece, and the junction between the specially-shaped locking pawl tooth 14 and the base 12 presents an objective difficulty in every corner 13 which cannot be machined by a traditional metal machining process; the method is only solved by a technological method for processing a finished product of the locking pawl of the automobile safety belt at one time.
The invention has the beneficial effects that a technological method for one-time finished products of the locking claws of the automobile safety belts is scientifically invented and designed, and comprises a series of technological processes of prefabricating a die, preparing raw materials, high-pressure one-time forming, high-temperature sintering, oil immersion, cleaning, heat treatment, rolling polishing, inspection and packaging, so that one-time manufacture from the raw materials to finished products is realized, the traditional re-processing processes of drilling holes, slotting and the like of a machine are omitted, and the technological difficulties of inconvenient operation and even incapability of operation in the traditional metal part processing are solved at one time; the method has the advantages of safety, high efficiency, simple process, high precision, low defective rate and cost reduction, and the manufactured finished product has better physical and chemical properties such as hardness, density, smoothness, wear resistance, corrosion resistance and the like than forged and cast metal pieces.
Finally, it should be noted that: the specific embodiments described herein are merely illustrative of the spirit of the invention and do not limit the embodiments of the invention. Various modifications, additions and substitutions for the embodiments described herein will occur to those skilled in the art, and all such embodiments are neither required nor possible. While the invention has been described with respect to specific embodiments, it will be appreciated that various changes and modifications may be made without departing from the spirit and scope of the invention, as defined by the appended claims.
Claims (1)
1. A process method for one-time finished product of a locking pawl of an automobile safety belt is characterized by comprising the following steps: the method comprises the steps of manufacturing a mold, preparing raw materials, high-pressure forming, high-temperature sintering, oil immersion, cleaning, heat treatment, rolling polishing, inspection and packaging;
firstly, a plurality of sets of manufacturing dies for compression molding are manufactured according to the shape and the size of a product to be manufactured;
further, according to the components of the product to be manufactured, the metal powder raw material, the metal semi-fluid raw material and the metal liquid raw material are proportioned and uniformly stirred according to the proportion to prepare the preparation raw material;
further, filling the preparation raw materials into the manufacturing mold, and completing the high-pressure molding through high-pressure equipment;
further, conveying the high-pressure formed semi-finished product into a high-temperature furnace for high-temperature sintering;
further, instantly immersing the semi-finished product sintered at the high temperature into cold oil for cooling and quenching to finish the oil immersion process operation;
further, putting the semi-finished product after oil immersion into anti-rust oil for cleaning;
further, conveying the cleaned semi-finished product into heat treatment equipment for heat treatment;
further, putting the semi-finished product after the heat treatment into rolling polishing equipment for rolling polishing, so that the surface of the semi-finished product is smooth and clean after rolling friction to obtain a finished product;
further, the finished products after the rolling polishing are subjected to one-by-one inspection, and defective products are removed;
further, the inspected finished product is packaged;
a series of technological processes for forming a primary finished product of the locking pawl of the automobile safety belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010771110.3A CN111843396A (en) | 2020-08-03 | 2020-08-03 | Technological method for one-time finished product of locking pawl of automobile safety belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010771110.3A CN111843396A (en) | 2020-08-03 | 2020-08-03 | Technological method for one-time finished product of locking pawl of automobile safety belt |
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| CN111843396A true CN111843396A (en) | 2020-10-30 |
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| CN202010771110.3A Pending CN111843396A (en) | 2020-08-03 | 2020-08-03 | Technological method for one-time finished product of locking pawl of automobile safety belt |
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Citations (6)
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| CN103831432A (en) * | 2012-11-27 | 2014-06-04 | 安徽省恒宇粉末冶金有限公司 | Automobile power steering pump powder metallurgy inner and outer rotor formula and preparation technology |
| CN104338927A (en) * | 2013-07-29 | 2015-02-11 | 扬州天健机械制造有限公司 | Automobile shock absorber piston and production technique thereof |
| CN105200322A (en) * | 2015-10-28 | 2015-12-30 | 江阴天润粉末冶金有限公司 | High-strength automobile part powder metallurgy component and preparation method thereof |
| CN105215273A (en) * | 2014-05-27 | 2016-01-06 | 遵义林棣科技发展有限公司 | A kind of preparation method of cam |
| CN105950983A (en) * | 2016-07-18 | 2016-09-21 | 安徽奥泰粉末冶金有限公司 | Production method of powder metallurgy gear |
| CN106180698A (en) * | 2016-07-18 | 2016-12-07 | 安徽奥泰粉末冶金有限公司 | A kind of powder metallurgical production technique method |
-
2020
- 2020-08-03 CN CN202010771110.3A patent/CN111843396A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831432A (en) * | 2012-11-27 | 2014-06-04 | 安徽省恒宇粉末冶金有限公司 | Automobile power steering pump powder metallurgy inner and outer rotor formula and preparation technology |
| CN104338927A (en) * | 2013-07-29 | 2015-02-11 | 扬州天健机械制造有限公司 | Automobile shock absorber piston and production technique thereof |
| CN105215273A (en) * | 2014-05-27 | 2016-01-06 | 遵义林棣科技发展有限公司 | A kind of preparation method of cam |
| CN105200322A (en) * | 2015-10-28 | 2015-12-30 | 江阴天润粉末冶金有限公司 | High-strength automobile part powder metallurgy component and preparation method thereof |
| CN105950983A (en) * | 2016-07-18 | 2016-09-21 | 安徽奥泰粉末冶金有限公司 | Production method of powder metallurgy gear |
| CN106180698A (en) * | 2016-07-18 | 2016-12-07 | 安徽奥泰粉末冶金有限公司 | A kind of powder metallurgical production technique method |
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