CN202621791U - Wear-resistant chip-conditioning straight-line thread rolling wheel with guide angle - Google Patents
Wear-resistant chip-conditioning straight-line thread rolling wheel with guide angle Download PDFInfo
- Publication number
- CN202621791U CN202621791U CN 201220265890 CN201220265890U CN202621791U CN 202621791 U CN202621791 U CN 202621791U CN 201220265890 CN201220265890 CN 201220265890 CN 201220265890 U CN201220265890 U CN 201220265890U CN 202621791 U CN202621791 U CN 202621791U
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- thread
- wear
- guide angle
- straight
- rolling wheel
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Abstract
The utility model relates to a wear-resistant chip-conditioning straight-grain thread rolling wheel with a guide angle. The wear-resistant chip-conditioning straight-grain thread rolling wheel comprises a thread-rolling wheel body (1), wherein at least two thread lines (4) are arranged on the outer surface of the thread-rolling wheel body (1); each of the thread lines (4) is arranged along an axial direction vertical to a central hole (2) and divided into a thread top (5) and a thread root (6); a chip-conditioning groove (8) is formed on the bottoms of the thread roots (6); the guide angle alpha exists between the straight lines where the plurality of thread tops (5) and the plurality of thread roots (6) are respectively located; and s (7) are arranged at the outer sides of the thread lines (4), and the coatings (7) are made of titanium. The wear-resistant chip-conditioning straight-grain thread-rolling wheel with the guide angle, disclosed by the utility model, is provided with the certain guide angle, so that a press-rolled screw rod is high in strength, good in quality and not easy to break; additionally, the wear-resistant chip-conditioning straight-grain thread-rolling wheel with the guide angle is good in wear resistance, thus prolonging the service life and decreasing the production cost; and a waste chip groove can be used for collecting redundant waste chips generated during a machining process, thus ensuring the quality of bolts.
Description
(1) technical field
The utility model relates to a kind of cylindrical die roll, relates in particular to a kind of wear-resisting appearance bits straight burr cylindrical die roll with guide angle.
(2) background technology
Cylindrical die roll is on screw-rolling machine, to utilize the method for metal plastic deformation to roll out a kind of instrument of screw thread, is applicable to the processing high-strength bolt.At present the depth of threat of cylindrical die roll is consistent, and promptly crest is identical to the degree of depth of root of the tooth, and so the intensity of the screw rod that comes out of nip drum is not high, ruptures easily; The wearability of cylindrical die roll is bad in addition, and in the process of bolt, the long-term friction of bolt and wear-resisting cylindrical die roll damages easily, and service life is short, has increased production cost; In the process of bolt, on cylindrical die roll, can produce unnecessary scrap, influenced the processing effect of bolt to a certain extent, the bolt poor quality who is produced.
(3) summary of the invention
The purpose of the utility model is to overcome above-mentioned deficiency, and a kind of wear-resisting appearance bits straight burr cylindrical die roll with guide angle that guide angle, depth of threat become greatly gradually, wearability is good and can collect unnecessary scrap that has is provided.
The purpose of the utility model is achieved in that
A kind of wear-resisting appearance bits straight burr cylindrical die roll with guide angle comprises cylindrical die roll body and centre bore, and said centre bore edge is provided with keyway; The cross section of said cylindrical die roll body is annular, and the outer surface of said cylindrical die roll body is provided with the tooth line, and said tooth line has two at least; Said each tooth line is straight burr, and said each tooth line arranges that along the axial direction perpendicular to centre bore said each tooth line is divided into crest and root of the tooth; The bottom of said root of the tooth is provided with chip pocket; Have guide angle α between the straight line at said a plurality of crest and a plurality of root of the tooth place, the outside of said tooth line is provided with coating, and the material of said coating is a titanium.
The utlity model has the wear-resisting appearance bits straight burr cylindrical die roll of guide angle, the material of said cylindrical die roll body adopts medium carbon steel.
Compared with prior art, the beneficial effect of the utility model is:
The depth of threat that the utlity model has the wear-resisting appearance bits straight burr cylindrical die roll of guide angle becomes greatly gradually, and certain guide angle is arranged, and makes the intensity of the screw rod that nip drum comes out high, quality is good, is not easy to rupture; Scribble titanium layer in the tooth line outside, increased wearability, can prolong the service life of wear-resisting cylindrical die roll, also reduced production cost simultaneously; The bottom of root of the tooth is provided with the scrap groove, can be collected in the unnecessary scrap that produces in the process of processing, has guaranteed the quality of bolt.
(4) description of drawings
Fig. 1 is the vertical section structure sketch map that the utlity model has the wear-resisting appearance bits straight burr cylindrical die roll of guide angle.
Fig. 2 is the cross section cutaway view that the utlity model has the wear-resisting appearance bits straight burr cylindrical die roll of guide angle.
Fig. 3 is the structural representation of screw thread.
Wherein:
Cylindrical die roll body 1
Centre bore 2
Keyway 3
Tooth line 4
Crest 5
Root of the tooth 6
Coating 7
Chip pocket 8.
(5) specific embodiment
Referring to Fig. 1～Fig. 3, the utlity model has the wear-resisting appearance bits straight burr cylindrical die roll of guide angle, comprise cylindrical die roll body 1 and centre bore 2; Said centre bore 2 edges are provided with keyway 3, and the material of said cylindrical die roll body 1 adopts medium carbon steel, and the cross section of said cylindrical die roll body 1 is annular; The outer surface of said cylindrical die roll body 1 is provided with tooth line 4, and said tooth line 4 has two at least, and said tooth line 4 is straight burr; Said each tooth line 4 is arranged along the axial direction perpendicular to centre bore 2; Said each tooth line 4 is divided into crest 5 and root of the tooth 6, and the bottom of said root of the tooth 6 is provided with chip pocket 8, has guide angle α between the straight line at said a plurality of crests 5 and a plurality of root of the tooth 6 places; The outside of said tooth line 4 is provided with coating 7, and the material of said coating 7 is a titanium.
The depth of threat that the utlity model has the wear-resisting appearance bits straight burr cylindrical die roll of guide angle becomes greatly gradually, and certain guide angle is arranged, and makes the intensity of the screw rod that nip drum comes out high, quality is good, is not easy to rupture; The outside at tooth line 4 scribbles titanium layer, has increased wearability, can prolong the service life of wear-resisting cylindrical die roll, has also reduced production cost simultaneously; Be provided with chip pocket 8 in the bottom of root of the tooth 6, can be collected in the unnecessary scrap that produces in the bolt process, guaranteed the quality of bolt.
Claims (2)
1. the wear-resisting appearance bits straight burr cylindrical die roll with guide angle comprises cylindrical die roll body (1) and centre bore (2), and said centre bore (2) edge is provided with keyway (3); The cross section of said cylindrical die roll body (1) is annular; The outer surface of said cylindrical die roll body (1) is provided with tooth line (4), and said tooth line (4) has two at least, and said each tooth line (4) is straight burr; Said each tooth line (4) is arranged along the axial direction perpendicular to centre bore (2); Said each tooth line (4) is divided into crest (5) and root of the tooth (6), and it is characterized in that: the bottom of said root of the tooth (6) is provided with chip pocket (8), has guide angle α between the straight line at said a plurality of crests (5) and a plurality of root of the tooth (6) place; The outside of said tooth line (4) is provided with coating (7), and the material of said coating (7) is a titanium.
2. a kind of wear-resisting appearance bits straight burr cylindrical die roll with guide angle according to claim 1, it is characterized in that: the material of said cylindrical die roll body (1) adopts medium carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220265890 CN202621791U (en) | 2012-05-28 | 2012-05-28 | Wear-resistant chip-conditioning straight-line thread rolling wheel with guide angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220265890 CN202621791U (en) | 2012-05-28 | 2012-05-28 | Wear-resistant chip-conditioning straight-line thread rolling wheel with guide angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202621791U true CN202621791U (en) | 2012-12-26 |
Family
ID=47375034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220265890 Expired - Fee Related CN202621791U (en) | 2012-05-28 | 2012-05-28 | Wear-resistant chip-conditioning straight-line thread rolling wheel with guide angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202621791U (en) |
-
2012
- 2012-05-28 CN CN 201220265890 patent/CN202621791U/en not_active Expired - Fee Related
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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: 20121226 Termination date: 20130528 |