CN109404398B - Automobile connecting and fixing piece and processing method thereof - Google Patents
Automobile connecting and fixing piece and processing method thereof Download PDFInfo
- Publication number
- CN109404398B CN109404398B CN201811234938.4A CN201811234938A CN109404398B CN 109404398 B CN109404398 B CN 109404398B CN 201811234938 A CN201811234938 A CN 201811234938A CN 109404398 B CN109404398 B CN 109404398B
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- China
- Prior art keywords
- column section
- section
- post section
- left end
- column
- Prior art date
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- 238000003672 processing method Methods 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 239000000047 product Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 239000011265 semifinished product Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000010079 rubber tapping Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000003647 oxidation Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses an automobile connecting and fixing part which is sequentially divided into a first column section, a second column section and a third column section from left to right, wherein the first column section, the second column section and the third column section are coaxial, the left end and the right end of the second column section are respectively connected with the right end of the first column section and the left end of the third column section, a connecting hole is formed in the center of the left end of the first column section, a plurality of annular grooves are formed in the second column section, and connecting external threads are formed in the third column section. The automobile connecting fixing piece provided by the invention has a simple structure, the 1215 steel is used and the surface of a product is hardened, so that the surface hardness of the fixing piece is obviously improved, the galvanization treatment is carried out, meanwhile, the product is sealed, 72H can be ensured in a high-humidity salt spray course after the sealing, the long-term use of a fastener is ensured, the oxidation time is prolonged, the stability of fixed connection is improved, the torsion and the tension of the product are improved, and in addition, the continuous processing production can be realized by adopting an automatic feeder, the manpower is reduced, the production cost is reduced, and the economic benefit is improved.
Description
[ field of technology ]
The invention relates to the technical field of connecting pieces, in particular to an automobile connecting fixing piece and a processing method thereof.
[ background Art ]
With the rapid development of modern automobile technology, the structure and the function of automobiles are increasingly complex and gradually perfected, and the automobile parts of the main rudder are connected with each other and interact with each other mostly by fasteners. The fastener refers to a part capable of playing a fastening role. These fasteners are not coarse iron knots.
At present, the oxidation time of the automobile connecting and fixing piece is short, the torsion and tension of the product is low, and in order to solve the problem, it is necessary to provide an automobile connecting and fixing piece and a processing method thereof.
[ invention ]
The invention aims to overcome the defects of the prior art, and provides an automobile connecting and fixing piece and a processing method thereof, which aim to solve the technical problems of shorter oxidation time and lower torsion and tension of products in the prior art.
In order to achieve the above purpose, the invention provides an automobile connecting and fixing member which is of an integral structure and is sequentially divided into a first column section, a second column section and a third column section from left to right, wherein the first column section, the second column section and the third column section are coaxial, the left end and the right end of the second column section are respectively connected with the right end of the first column section and the left end of the third column section, a connecting hole is formed in the center of the left end of the first column section, a plurality of ring grooves are formed in the second column section, and connecting external threads are formed in the third column section.
Preferably, the first column section is of a solid hexagonal prism structure, a round corner is arranged at the edge, a round flange is arranged at the left end of the first column section, and the round flange and the first column section are of an integrated structure.
Preferably, the length of the first column section is greater than the length of the connecting hole, and connecting internal threads are arranged in the connecting hole.
Preferably, the depth of the connecting hole is 12.5mm, the effective tooth depth of the connecting internal thread is 8.2mm, and the number of teeth is more than 10.0.
Preferably, the second column section is of a cylindrical structure, the maximum outer diameter of the second column section is larger than the maximum outer diameter of the first column section, and two ring grooves are formed in the second column section along the axial direction.
Preferably, the cross section of the ring groove is trapezoid, and the included angle between the two sides is 40 degrees.
Preferably, the left end of the third column section is provided with a tool retracting groove, the right end of the third column section is provided with a guide column section with the diameter smaller than that of the connecting external screw thread, and the maximum outer diameter of the connecting external screw thread is smaller than that of the second column section.
Preferably, the guide post section and the connecting external thread are in transition through a chamfer.
Preferably, a 1215 steel is selected to be broken into bars, the bars are automatically fed and processed into blanks through a KT0315 automatic feeder, then connecting holes are sequentially processed on the first column sections of the blanks, connecting internal threads are tapped in the connecting holes, tooth twisting is performed on the third column sections, connecting external threads are processed, a semi-finished product is obtained, then the surface of the semi-finished product is hardened, the original hardness is increased to 400HV, galvanization is performed after the hardening is finished, and meanwhile sealing treatment is performed, so that the finished product of the automobile connecting fixing piece is obtained.
Preferably, the working temperature is controlled to be-20 to +55 ℃ in the processing process.
The invention has the beneficial effects that: compared with the prior art, the automobile connecting fixing piece provided by the invention has a simple structure, and the processing method of the automobile connecting fixing piece is also provided, 1215 steel is used for hardening the surface of a product, the original hardness is increased to 400HV from 210HV, the surface hardness of the fixing piece is obviously improved, the galvanization treatment is carried out, meanwhile, the product is sealed, 72H can be ensured in a high-humidity salt spray course after the sealing, namely, the long-term use of a fastener is ensured, the oxidation time is prolonged, the stability of fixed connection is improved, the torsion and the tension of the product are improved, in addition, the automatic feeding of a bar by adopting an automatic feeder KT0315 can realize continuous processing production, the multi-man mechanized production is realized, the manpower is reduced, the production cost is lowered, and the economic benefit is improved.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of an automotive connection mount according to an embodiment of the present invention;
FIG. 2 is a left side view of an automotive connection mount according to an embodiment of the present invention;
FIG. 3 is a right side view of an automotive connection mount according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of an automotive connection mount according to an embodiment of the present invention;
fig. 5 is a partial enlarged view of a portion a in fig. 4.
[ detailed description ] of the invention
The present invention will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
Referring to fig. 1 to 5, an embodiment of the present invention provides an automobile connection fixing member, which is an integral structure and is sequentially divided into a first column section 1, a second column section 2 and a third column section 3 from left to right, wherein the first column section 1, the second column section 2 and the third column section 3 are coaxial, the left end and the right end of the second column section 2 are respectively connected with the right end of the first column section 1 and the left end of the third column section 3, a connection hole 11 is arranged in the center of the left end of the first column section 1, a plurality of ring grooves 21 are arranged on the second column section 2, and a connection external thread 31 is arranged on the third column section 3.
Further, the first column section 1 is of a solid hexagonal prism structure, a round corner is arranged at the edge, a circular flange 10 is arranged at the left end of the first column section 1, and the circular flange 10 and the first column section 1 are of an integral structure; the length of the first column section 1 is larger than that of the connecting hole 11, and connecting internal threads 12 are arranged in the connecting hole 11.
In the embodiment of the invention, the depth of the connecting hole 11 is 12.5mm, the effective tooth depth of the connecting internal thread 13 is 8.2mm, and the number of teeth is more than 10.0.
Further, the second column section 2 is of a cylindrical structure, the maximum outer diameter of the second column section 2 is larger than the maximum outer diameter of the first column section 1, and two ring grooves 21 are formed in the second column section 2 along the axial direction; the section of the ring groove 21 is trapezoid, and the included angle between the two sides is 40 degrees.
Still further, the left end of the third column section 3 is provided with a tool retracting groove 32, the right end is provided with a guiding column section 33 with a diameter smaller than that of the connecting external thread 31, the maximum outer diameter of the connecting external thread 31 is smaller than that of the second column section 2, and the guiding column section 33 and the connecting external thread 31 are in transition through a chamfer 34.
The invention also provides a processing method of the automobile connecting fixing piece, which is characterized in that 1215 steel is selected to be broken into bars, the bars are automatically fed and processed into blanks through a KT0315 automatic feeder, then connecting holes 11 are processed on the first column section 1 of the blanks in sequence, connecting internal threads 12 are tapped in the connecting holes 11, tooth twisting is carried out on the third column section 3, connecting external threads 31 are processed, a semi-finished product is obtained, then the surface of the semi-finished product is hardened, the original hardness is increased to 400HV from 210HV, galvanization is carried out after the hardening is finished, meanwhile, sealing treatment is carried out, and the automobile connecting fixing piece finished product is obtained, and the working temperature in the processing process is controlled to be-20 to +55 ℃.
The invention relates to an automobile connecting fixing piece, which has a simple structure, and also provides a processing method of the automobile connecting fixing piece, 1215 steel is used for hardening the surface of a product, the original hardness is increased to 400HV from 210HV, the surface hardness of the fixing piece is obviously improved, galvanization treatment is carried out, meanwhile, the product is closed, 72H can be ensured in a high-humidity salt spray course after the sealing, the oxidation time of a fastener is ensured to be prolonged in long-term use, the stability of fixed connection is improved, the torsion of the product is improved, in addition, the automatic feeding of a bar by adopting an automatic feeder KT0315 can realize continuous processing production, the multi-machine production of one person is realized, the manpower is reduced, the production cost is lowered, and the economic benefit is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (5)
1. An automobile connection fixing piece, which is characterized in that: this automobile connection mounting is a monolithic structure, from left to right divide into first post section (1), second post section (2) and third post section (3) in proper order, first post section (1), second post section (2) and third post section (3) coaxial, the left and right both ends of second post section (2) meet with the right-hand member of first post section (1) respectively, the left end of third post section (3), the left end center of first post section (1) be provided with connecting hole (11), second post section (2) on be provided with a plurality of annular grooves (21), every the cross-section of annular groove (21) is trapezoidal, the contained angle of both sides is 40, third post section (3) on set up and connect external screw thread (31), first post section (1) be solid hexagonal prism structure to be provided with the fillet in the edge, the left end of first post section (1) set up a circular flange (10), circular flange (10) and first post section (1) be the external diameter of first post section (1) is the diameter of a big end (21) in the diameter of first post section (2) and the diameter of connecting hole (11), the left end of the third column section (3) is provided with a tool retracting groove (32), the right end of the third column section is provided with a guide column section (33) with the diameter smaller than that of the connecting external thread (31), and the maximum outer diameter of the connecting external thread (31) is smaller than that of the second column section (2).
2. An automotive connection mount as claimed in claim 1, wherein: the depth of the connecting hole (11) is 12.5mm, the effective tooth depth of the connecting internal thread (12) is 8.2mm, and the number of teeth is more than 10.0.
3. An automotive connection mount as claimed in claim 1, wherein: the guide post section (33) is in transition with the connecting external thread (31) through a chamfer (34).
4. A processing method of an automobile connecting fixing piece is characterized by comprising the following steps of: the method comprises the steps of selecting 1215 steel materials to be broken into bars, automatically feeding the bars through a KT0315 automatic feeder to process the bars into blanks, sequentially processing a first column section (1) of the blanks into connecting holes (11), tapping connecting internal threads (12) in the connecting holes (11), twisting a third column section (3) into teeth, processing connecting external threads (31) to obtain semi-finished products, then hardening the surfaces of the semi-finished products, increasing the original hardness to 400HV from 210HV, and then performing galvanization treatment and sealing treatment to obtain finished products of automobile connecting fixing parts.
5. The method for manufacturing an automotive connection fixture of claim 4, wherein: the working temperature is controlled between-20 ℃ and +55 ℃ in the processing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811234938.4A CN109404398B (en) | 2018-10-23 | 2018-10-23 | Automobile connecting and fixing piece and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811234938.4A CN109404398B (en) | 2018-10-23 | 2018-10-23 | Automobile connecting and fixing piece and processing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109404398A CN109404398A (en) | 2019-03-01 |
| CN109404398B true CN109404398B (en) | 2023-09-19 |
Family
ID=65468920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811234938.4A Active CN109404398B (en) | 2018-10-23 | 2018-10-23 | Automobile connecting and fixing piece and processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109404398B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257658A (en) * | 2015-10-23 | 2016-01-20 | 国网山东济宁市任城区供电公司 | Demounting-preventing screw for electric power measurement maintenance |
| JP5902786B1 (en) * | 2014-10-03 | 2016-04-13 | 謙二 松永 | screw |
| CN205177990U (en) * | 2015-10-08 | 2016-04-20 | 安徽四创电子股份有限公司 | Antenna revolving stage lightning protection switching system |
| CN207161488U (en) * | 2017-07-31 | 2018-03-30 | 太仓市众翔精密五金有限公司 | A kind of high durable stud baking vanish part of protection |
| CN108488186A (en) * | 2018-06-29 | 2018-09-04 | 盐城国刀刀具有限公司 | A kind of cross machine tooth screw |
| CN209041288U (en) * | 2018-10-23 | 2019-06-28 | 浙江荣亿精密机械股份有限公司 | A kind of connection fixture |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130078034A1 (en) * | 2011-09-27 | 2013-03-28 | Konstantinos Kapelonis | Building block |
-
2018
- 2018-10-23 CN CN201811234938.4A patent/CN109404398B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5902786B1 (en) * | 2014-10-03 | 2016-04-13 | 謙二 松永 | screw |
| CN205177990U (en) * | 2015-10-08 | 2016-04-20 | 安徽四创电子股份有限公司 | Antenna revolving stage lightning protection switching system |
| CN105257658A (en) * | 2015-10-23 | 2016-01-20 | 国网山东济宁市任城区供电公司 | Demounting-preventing screw for electric power measurement maintenance |
| CN207161488U (en) * | 2017-07-31 | 2018-03-30 | 太仓市众翔精密五金有限公司 | A kind of high durable stud baking vanish part of protection |
| CN108488186A (en) * | 2018-06-29 | 2018-09-04 | 盐城国刀刀具有限公司 | A kind of cross machine tooth screw |
| CN209041288U (en) * | 2018-10-23 | 2019-06-28 | 浙江荣亿精密机械股份有限公司 | A kind of connection fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109404398A (en) | 2019-03-01 |
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