CN105299015A - Bolt with paint scraping screw teeth and processing tooth plate for bolt - Google Patents
Bolt with paint scraping screw teeth and processing tooth plate for bolt Download PDFInfo
- Publication number
- CN105299015A CN105299015A CN201510851259.1A CN201510851259A CN105299015A CN 105299015 A CN105299015 A CN 105299015A CN 201510851259 A CN201510851259 A CN 201510851259A CN 105299015 A CN105299015 A CN 105299015A
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- bolt
- paint
- thread
- thread rolling
- paint scraping
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses a bolt with paint scraping screw teeth and a processing tooth plate for the bolt. Punch moulding is adopted by a traditional bonding bolt, and the indentation depth is not stable. According to the bolt with the paint scraping teeth, a match-up screw thread is arranged on the cylindrical surface of a bolt bar; the middle part of the match-up screw thread is provided with a paint scraping tooth section; the head part of the cylindrical surface of the bolt bar is provided with a conical surface; a paint scraping groove is formed in the conical surface; a scraper surface is formed at the contact position of the paint scraping groove and the conical surface; the processing tooth plate for the bolt with the paint scraping screw teeth comprises a movable thread rolling plate and a static thread rolling plate; the inner side of each of the movable thread rolling plate and the static thread rolling plate is provided with multiple thread rolling raised lines; the outlet end of four to six thread rolling raised lines close to the bottom part of each thread rolling plate is provided with a lug accommodating groove; and two lug groups are fixed in the lug accommodating groove in the static thread rolling plate. By adopting the bolt with the paint scraping screw teeth, impurities on an object workpiece and blocks of paint on the inner surface of the object workpiece can be scraped by the scraper surface of the bolt with the paint scraping screw teeth; paint in the threads of the object workpiece can be scraped by the paint scraping tooth section; and according to the processing tooth plate for the bolt with the paint scraping teeth, cold extruding one-step moulding technology is adopted, and the dimension precision of products of bolts with paint scraping teeth is ensured.
Description
Technical field
The invention belongs to automobile-used technical field of fastening, relate to automobile-used bolt, be specifically related to a kind of band and scrape paint tooth bolt and processing dental lamina thereof.
Background technique
Bonding bolt major part is used for connecting the connection on automobile between electrical equipment; being screwed into by bolt, forms interference fit with opponent's part, scrapes the paint inside opponent's part; play the effect of conduction; and traditional bonding bolt adopts the design of thread middle impression, traditional technique adopts impact briquetting, and depth of indentation is unstable; mass stability is poor; often have bonding instability, cause bonding bad connection, occurred to burn the bad phenomenon such as car.
Summary of the invention
The present invention is unstable in order to solve conventional tratitional technology impression size, the phenomenon of bad earth, then adopts cold hobbing one-shot forming technique, ensures product size precision by mould.
Band of the present invention is scraped paint tooth bolt and is comprised integrated bolt head and bolt shank; The cylinder of described bolt shank is provided with matching thread; The middle part of described matching thread is provided with scrapes paint tooth section; The described thread scraping paint tooth section be that both sides are equipped with protruding trapezoidal, scrapes region between two projections painting the adjacent thread opposite side of tooth section for scraping paint interference region; The large footpath of thread of scraping paint tooth section is greater than the thread path of matching thread; The cylinder head of bolt shank is conical surface; Described conical surface offers scrapes paint bath; The described jointing place of scraping paint bath and conical surface forms blade face.
Band of the present invention is scraped paint tooth bolt processing dental lamina and is comprised dynamic and static flat die roll; Many the thread rolling raised lines be arranged side by side all are processed with inside described dynamic and static flat die roll; The axis of described thread rolling raised line and horizontal angle are 20 ~ 25 °; 4 ~ 6 thread rolling raised line outlet end near bottom offer projection mounting groove; The outer end of described projection mounting groove is open, and flute length is 0.1 ~ 0.2 of processing dental lamina length; The projection mounting groove of dynamic and static flat die roll is oppositely arranged; The group of bumps that the projection mounting groove internal fixtion two of quiet flat die roll is arranged along bolt feeding direction spacing; Described group of bumps comprises three projections of vertically equidistant placement; Little 1 ~ the 2mm of height of the aspect ratio thread rolling raised line of described projection.
The beneficial effect that the present invention has:
1, band of the present invention is scraped paint tooth bolt and is provided with and scrapes paint tooth section and blade face, and blade face scraped falls the bulk paint of impurity inside opponent's part and internal surface, scrapes paint tooth section scraped and falls paint in opponent's part screw thread, realize metallic matrix and connect.
2, the product size precision that paint tooth bolt processing dental lamina adopts cold hobbing one-shot forming technique to ensure with scraping paint tooth bolt scraped by band of the present invention, steady quality, make with scrape paint tooth bolt to scrape paint tooth section together shaping with matching thread, minimizing operation, cost-saving.
Accompanying drawing explanation
Fig. 1 is that paint tooth bolt schematic diagram scraped by band of the present invention.
Fig. 2 be band of the present invention scrape that paint tooth bolt scrapes paint tooth section scrape paint interference region schematic diagram.
Fig. 3 is that paint tooth bolt processing dental plate structure stereogram scraped by band of the present invention.
Fig. 4 is the bolt semi-finished product schematic diagram in the present invention after cold-heading.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, band scrape paint tooth bolt comprise integrated bolt head and bolt shank; The cylinder of bolt shank is provided with matching thread 1; The middle part of matching thread 1 is provided with scrapes paint tooth section 2; The thread scraping paint tooth section is that both sides are equipped with the trapezoidal of projection, and interference region 8 is painted for scraping in the region of scraping between two projections painting the adjacent thread opposite side of tooth section; Scrape paint interference region 8 scraped and fall paint in opponent's part screw thread, realize metallic matrix and connect; The large footpath of thread of scraping paint tooth section 2 is greater than the thread path of matching thread 1, as shown in Figure 2; The cylinder head of bolt shank is conical surface; Conical surface offers scrapes paint bath 3; Scrape paint bath 3 and form blade face 4 with the jointing place of conical surface.
As shown in Figure 3, paint tooth bolt processing dental lamina scraped by band, comprises dynamic and static flat die roll; Many the thread rolling raised lines 5 be arranged side by side all are processed with inside dynamic and static flat die roll; The axis of thread rolling raised line 5 and horizontal angle are 20 °; Five thread rolling raised line outlet end near bottom offer projection mounting groove 6; The outer end of projection mounting groove is open, and flute length is 0.2 of processing dental lamina length; The projection mounting groove of dynamic and static flat die roll is oppositely arranged; The group of bumps 7 that the projection mounting groove internal fixtion two of quiet flat die roll is arranged along bolt feeding direction spacing; Group of bumps 7 comprises three projections of vertically equidistant placement; The little 1mm of height of the aspect ratio thread rolling raised line of projection.
This band is adopted to scrape the detailed process of paint tooth bolt processing dental lamina processing bolt as follows:
1, as shown in Figure 4, bolt cold-heading goes out bolt shank cylinder, becomes bolt semi-finished product.Bolt half-finished bolt shank cylinder head is conical surface; Conical surface offers scrapes paint bath; The jointing place of scraping paint bath and conical surface forms blade face.
2, bolt semi-finished product enter into thread rolling track after the vibration of material loading vibrating disk, and are entered by thread rolling track in the gap of dynamic and static flat die roll.
3, dynamic and static flat die roll carries out thread rolling to bolt semi-finished product.Quiet flat die roll maintains static, and dynamic flat die roll is oppositely arranged with quiet flat die roll and moves back and forth along parallel quiet flat die roll direction; Bolt shank cylinder forms matching thread under the mutual rubbing of the thread rolling raised line 5 of dynamic and static flat die roll, as shown in Figure 2; The middle part of bolt shank cylinder is formed under group of bumps 7 rubbing of quiet flat die roll scrapes paint tooth section.
4, heat-treat the bolt after thread rolling, heat treatment is modified or carburizing, makes the hardness number of bolt reach requirement.
5, carry out surface treatment to the bolt after heat treatment, surface treatment is plating zinc on surface, coating or phosphorating treatment.
Claims (2)
1. paint tooth bolt scraped by band, comprises integrated bolt head and bolt shank, it is characterized in that: the cylinder of described bolt shank is provided with matching thread; The middle part of described matching thread is provided with scrapes paint tooth section; The described thread scraping paint tooth section be that both sides are equipped with protruding trapezoidal, scrapes region between two projections painting the adjacent thread opposite side of tooth section for scraping paint interference region; The large footpath of thread of scraping paint tooth section is greater than the thread path of matching thread; The cylinder head of bolt shank is conical surface; Described conical surface offers scrapes paint bath; The described jointing place of scraping paint bath and conical surface forms blade face.
2. the processing dental lamina scraping paint tooth bolt is with in processing as claimed in claim 1, comprises dynamic and static flat die roll, it is characterized in that: be all processed with many thread rolling raised lines be arranged side by side inside described dynamic and static flat die roll; The axis of described thread rolling raised line and horizontal angle are 20 ~ 25 °; 4 ~ 6 thread rolling raised line outlet end near bottom offer projection mounting groove; The outer end of described projection mounting groove is open, and flute length is 0.1 ~ 0.2 of processing dental lamina length; The projection mounting groove of dynamic and static flat die roll is oppositely arranged; The group of bumps that the projection mounting groove internal fixtion two of quiet flat die roll is arranged along bolt feeding direction spacing; Described group of bumps comprises three projections of vertically equidistant placement; Little 1 ~ the 2mm of height of the aspect ratio thread rolling raised line of described projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510851259.1A CN105299015B (en) | 2015-11-27 | 2015-11-27 | Paint tooth bolt processing dental lamina scraped by band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510851259.1A CN105299015B (en) | 2015-11-27 | 2015-11-27 | Paint tooth bolt processing dental lamina scraped by band |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105299015A true CN105299015A (en) | 2016-02-03 |
| CN105299015B CN105299015B (en) | 2016-10-12 |
Family
ID=55196664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510851259.1A Active CN105299015B (en) | 2015-11-27 | 2015-11-27 | Paint tooth bolt processing dental lamina scraped by band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105299015B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253602A (en) * | 2020-09-18 | 2021-01-22 | 卓越紧固系统（上海）有限公司 | Scrape lacquer conductive bolt |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2371365A (en) * | 1942-12-07 | 1945-03-13 | American Screw Co | Locking screw and method of making |
| GB2198801A (en) * | 1986-12-19 | 1988-06-22 | Masco Ind Inc | Locking fastener |
| CN102588413A (en) * | 2011-12-13 | 2012-07-18 | 温州市长江标准件有限公司 | Grounding bolt and manufacture method for same |
| CN202768588U (en) * | 2012-08-17 | 2013-03-06 | 宁波敏达机电有限公司 | Bolt for putting up iron of automobile |
| CN202867499U (en) * | 2012-10-11 | 2013-04-10 | 浙江吉利汽车有限公司 | Electrical ground bolt |
-
2015
- 2015-11-27 CN CN201510851259.1A patent/CN105299015B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2371365A (en) * | 1942-12-07 | 1945-03-13 | American Screw Co | Locking screw and method of making |
| GB2198801A (en) * | 1986-12-19 | 1988-06-22 | Masco Ind Inc | Locking fastener |
| CN102588413A (en) * | 2011-12-13 | 2012-07-18 | 温州市长江标准件有限公司 | Grounding bolt and manufacture method for same |
| CN202768588U (en) * | 2012-08-17 | 2013-03-06 | 宁波敏达机电有限公司 | Bolt for putting up iron of automobile |
| CN202867499U (en) * | 2012-10-11 | 2013-04-10 | 浙江吉利汽车有限公司 | Electrical ground bolt |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253602A (en) * | 2020-09-18 | 2021-01-22 | 卓越紧固系统（上海）有限公司 | Scrape lacquer conductive bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105299015B (en) | 2016-10-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315821 No. 98, Jiangnan Middle Road, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Minda Automobile Technology Co.,Ltd. Address before: 315821 No. 98, Jiangnan Middle Road, Beilun District, Ningbo City, Zhejiang Province Patentee before: NINGBO ZHENHAI MINDA ELECTROMECHANICAL CO.,LTD. |