CN201015810Y - Sharp-tailed screw dental plate set - Google Patents
Sharp-tailed screw dental plate set Download PDFInfo
- Publication number
- CN201015810Y CN201015810Y CNU2007201393639U CN200720139363U CN201015810Y CN 201015810 Y CN201015810 Y CN 201015810Y CN U2007201393639 U CNU2007201393639 U CN U2007201393639U CN 200720139363 U CN200720139363 U CN 200720139363U CN 201015810 Y CN201015810 Y CN 201015810Y
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- China
- Prior art keywords
- screw
- dental lamina
- block
- face
- fine stern
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- Expired - Fee Related
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a group of tooth boards for screw with sharp tail. A support plate is protruded on the scraps-discharging groove of every tooth board. A plurality of protruded teeth are formed on the support plate; meanwhile, height of the support plate is lower than that of the cutting face; therefore, during the rolling procedure, the support plate can hold the waste material produced in the molding of the screw with sharp tail, so that the to-be molded sharp tail part of the screw with sharp tail is not dragged and smoothly shaped. Thus,quality of the screw with sharp tail is improved.
Description
Technical field
The utility model relates to a kind of threading plate design, particularly a kind of fine stern screw dental lamina group.
Background technology
Consult Fig. 1, the manufacturing moulding of at present general screw, mainly take cold-forge forming and provide the body of rod of head, then utilize the screw dental lamina group that installing two corresponding dental laminas are formed on the threading machine (not shown), so that by the mutual spreading of this two corresponding dental lamina, so that body of rod outer surface processing and forming is gone out screw thread.
Look into, known screw dental lamina group 1 structure, see also Fig. 1,2 as can be known, it is made up of the dental lamina 11 that two correspondences are fixed in the screw forming machine (not shown), aforementioned this each dental lamina 11 includes a body 111, plural number is formed at the forming tank 112 on this body 111, is formed at the arrival end 113 and the port of export 114 of these body 111 dual side-edges respectively, and a forming part 115 that convexedly stretches in these body 111 lower edges; Wherein, this forming part 115 has a scarf 116 that is connected with forming tank 112, the guiding face 117, one of one nearly this arrival end 113 is connected the shear surface 118 of also nearly this port of export 114 with this guiding face 117, and a chip area 119 that tilts to be opened on this forming part 115; Cooperate again and consult Fig. 3,4, be during with threading, this screw 2 enters this screw dental lamina group 1 via this arrival end 113, so that the body of rod 21 of these two dental laminas, 11 mutual these screws 2 of spreading, so that this forming tank 112 molds thread 22 on this screw 2, this scarf 116 then makes this circular body of rod 21 squeeze out a poined afterbody 23 gradually, and this screw 2 is just by these port of export 114 dischargings at last, and finishes the manufacturing of this screw 2.
Yet, this forming part 115 is when carrying out extrusion modling at this body of rod 21, can on this body of rod 21 gradually extrusion modling go out a clout 24 that is linked on this body of rod 21, when this shear surface 118, give again 24 excisions of this clout, but in the excision process, it is excessive with this guiding face 117 and shear surface 118 high low heads to be subject to this chip area 119, cause the clout of extrusion modling to fall within this chip area 119, and be eccentric state with this body of rod 21, once desire to carry out clout when excision to this shear surface 118, this shear surface 118 also can't effectively excise clout, even when excision easily poined afterbody 23 is produced and pulls, cause the moulding of this poined afterbody 23 to produce defective and form defective products, influence this screw 2 workmanships.
The utility model content
The purpose of this utility model is to provide a kind of fine stern screw dental lamina group, can guarantee the integrality of fine stern screw moulding during its moulding, to promote workmanship.
For achieving the above object, technical solution of the present utility model is:
A kind of fine stern screw dental lamina group, be made up of the dental lamina that two correspondences are arranged on the screw forming machine, this each dental lamina comprises a body, and plural number is formed at the forming tank on this body, be formed at the arrival end and the port of export of this body dual side-edge respectively, and a forming part that convexedly stretches in this body lower edge; This forming part has a scarf that is connected with this forming tank, the guiding face of nearly this arrival end, and one is connected with this guiding face and the shear surface of nearly this port of export, and a chip area that tilts to be opened on this forming part; Wherein convex with a back-up block on this chip area, and offer plural double wedge on this back-up block, this back-up block height is lower than this shear surface height simultaneously.
Offer plural number guiding tooth on this guiding face.
This back-up block extends to this port of export by this arrival end.
These back-up block both sides are formed with an approaching face and a derivation face respectively, and this approaching face is different incline direction settings with derivation face.
After adopting such scheme, because the utility model convexes with a back-up block on described chip area, and offer plural double wedge on this back-up block, this back-up block height is lower than this shear surface height simultaneously, be beneficial in the threading process, borrow this back-up block to support, and the clout that produces in the fine stern screw extrusion modling process is supported, when this shear surface position, also can be by sharp keen excision, do not pullled and moulding smoothly with the poined afterbody of guaranteeing the moulding of fine stern screw desire, and then promoted the workmanship of this fine stern screw.
Description of drawings
Fig. 1 is the dental lamina constitutional diagram of known screw dental lamina group;
Fig. 2 is the dental lamina schematic diagram of known screw dental lamina group;
Fig. 3 is the local user mode figure of known screw dental lamina group;
Fig. 4 is that the screw schematic diagram is finished in the threading of known screw dental lamina group;
Fig. 5 is the dental lamina schematic diagram of the utility model one preferred embodiment;
Fig. 6 is the dental lamina constitutional diagram of the utility model one preferred embodiment;
Fig. 7 is the local user mode figure of the utility model one preferred embodiment;
Fig. 8 is that the screw schematic diagram is finished in the threading of the utility model one preferred embodiment.
The explanation of graphic main element conventional letter
4 fine stern screw dental lamina groups, 41 dental laminas, 42 back-up blocks
410 guiding teeth, 411 bodies, 412 forming tank
413 arrival ends, 414 ports of export, 415 forming parts
416 scarves, 417 guiding faces, 418 shear surfaces
419 chip areas, 421 double wedges, 5 fine stern screws
6 threading passages, 51 spiral shell heads, 52 bodies of rod
53 poined afterbodies, 54 threads, 55 clouts
The specific embodiment
About aforementioned and other technology contents, characteristics and effect of the present utility model, in the following detailed description that cooperates with reference to graphic preferred embodiment, can clearly understand.
Consult Fig. 5,6, it is a preferred embodiment of the utility model fine stern screw dental lamina group 4, this fine stern screw dental lamina group 4 is made up of the dental lamina 41 that two correspondences are fixed in the screw forming machine (not shown), aforementioned this each dental lamina 41 includes a body 411, plural number is formed at the forming tank 412 on this body 411, be formed at the arrival end 413 and the port of export 414 of these body 411 dual side-edges respectively, and a forming part 415 that convexedly stretches in these body 411 lower edges; Wherein, this forming part 415 has a scarf 416 that is connected with this forming tank 412, the guiding face 417, one of one nearly this arrival end 41 is connected the shear surface 418 of also nearly this port of export 414 with this guiding face 417, and a chip area 419 that tilts to be opened on this forming part 415; Guide tooth 410 and more offer plural number on aforementioned this guiding face 417.
Still continuous aforementioned, convex with a back-up block 42 on this chip area 419, and this back-up block 42 also is close to this guiding face 417 and shear surface 418, offer plural double wedge 421 on this back-up block 42 simultaneously, this back-up block 42 highly is lower than this shear surface 418 height simultaneously, and these back-up block 42 length are to extend to this port of export 414 from this arrival end 413 in addition.These back-up block both sides can be formed with an approaching face and a derivation face more respectively in addition, and this approaching face is different incline direction settings with derivation face.
Consult Fig. 6, the screw dental lamina group 4 of present embodiment is arranged on the threading machine (not shown), utilize this wherein a dental lamina 41 be stationary state, another this relative dental lamina 41 is then installed by induced way, relends afterwards by 41 of this two dental laminas to carry out threading processing at this fine stern screw 5; Cooperate and consult Fig. 7,8, this moment, this fine stern screw 5 entered this scarf 416 via 410 guiding of the guiding tooth on this guiding face 417, mold thread 54 on this fine stern screw 5 to make by means of this forming tank 412, this fine stern screw 5 pushes gradually along with this scarf 416 and moulding afterbody 53 full to the brim and generation clout 55 simultaneously, aforementioned this clout 55 then can be subjected to this back-up block 42 and support, that is this back-up block 42 can reduce the high low head of this shear surface 418 and chip area 419, and cooperate the effect of this double wedge 421, so this clout 55 can not produce eccentric phenomena with this body of rod 52, so that this shear surface 418 can be successfully with these clout 55 excisions, guarantee that this poined afterbody 53 can not be subjected to this clout 55 and pull and fracture damage, to keep the integrality of this poined afterbody 53, to promote this fine stern screw 5 workmanships.
Conclude aforementionedly, the utility model is set up by this back-up block, when making the poined afterbody moulding of this fine stern screw, the structure of its poined afterbody is able to complete moulding, be not subjected to this clout to pull and rupture, to promote the workmanship of this fine stern screw, so can reach the purpose of this utility model really.
Only the above, only be explanation preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, the i.e. simple equivalence of doing according to the utility model claim and novel description generally changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (4)
1. fine stern screw dental lamina group, be made up of the dental lamina that two correspondences are arranged on the screw forming machine, this each dental lamina comprises a body, and plural number is formed at the forming tank on this body, be formed at the arrival end and the port of export of this body dual side-edge respectively, and a forming part that convexedly stretches in this body lower edge; This forming part has a scarf that is connected with this forming tank, the guiding face of nearly this arrival end, and one is connected with this guiding face and the shear surface of nearly this port of export, and a chip area that tilts to be opened on this forming part; It is characterized in that:
Convex with a back-up block on this chip area, and offer plural double wedge on this back-up block, this back-up block height is lower than this shear surface height simultaneously.
2. fine stern screw dental lamina group according to claim 1 is characterized in that: offer plural number guiding tooth on this guiding face.
3. fine stern screw dental lamina group according to claim 1, it is characterized in that: this back-up block extends to this port of export by this arrival end.
4. fine stern screw dental lamina group according to claim 1, it is characterized in that: these back-up block both sides are formed with an approaching face and a derivation face respectively, and this approaching face is different incline direction settings with derivation face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201393639U CN201015810Y (en) | 2007-03-07 | 2007-03-07 | Sharp-tailed screw dental plate set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201393639U CN201015810Y (en) | 2007-03-07 | 2007-03-07 | Sharp-tailed screw dental plate set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201015810Y true CN201015810Y (en) | 2008-02-06 |
Family
ID=39056289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201393639U Expired - Fee Related CN201015810Y (en) | 2007-03-07 | 2007-03-07 | Sharp-tailed screw dental plate set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201015810Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI446978B (en) * | 2012-06-04 | 2014-08-01 | Cheng Yuan Wu | A manufacturing method and equipment for intensifying hardness of a screw |
| CN106541061A (en) * | 2016-12-28 | 2017-03-29 | 日泰（上海）汽车标准件有限公司 | A kind of die bolt with fluting screw thread and processing technique |
| CN107398691A (en) * | 2017-07-26 | 2017-11-28 | 嘉兴弘邦金属制品有限公司 | A kind of dental lamina and its processing technology |
| CN112387911A (en) * | 2020-10-26 | 2021-02-23 | 广州法思特精密五金有限公司 | Tooth plate capable of extruding taper of tail of screw |
-
2007
- 2007-03-07 CN CNU2007201393639U patent/CN201015810Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI446978B (en) * | 2012-06-04 | 2014-08-01 | Cheng Yuan Wu | A manufacturing method and equipment for intensifying hardness of a screw |
| CN106541061A (en) * | 2016-12-28 | 2017-03-29 | 日泰（上海）汽车标准件有限公司 | A kind of die bolt with fluting screw thread and processing technique |
| CN107398691A (en) * | 2017-07-26 | 2017-11-28 | 嘉兴弘邦金属制品有限公司 | A kind of dental lamina and its processing technology |
| CN112387911A (en) * | 2020-10-26 | 2021-02-23 | 广州法思特精密五金有限公司 | Tooth plate capable of extruding taper of tail of screw |
| CN112387911B (en) * | 2020-10-26 | 2022-09-16 | 广州法思特精密五金有限公司 | Tooth plate capable of extruding taper of tail of screw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 |