CN209318432U - A kind of hot rolling cone-shaped roll - Google Patents
A kind of hot rolling cone-shaped roll Download PDFInfo
- Publication number
- CN209318432U CN209318432U CN201821777105.8U CN201821777105U CN209318432U CN 209318432 U CN209318432 U CN 209318432U CN 201821777105 U CN201821777105 U CN 201821777105U CN 209318432 U CN209318432 U CN 209318432U
- Authority
- CN
- China
- Prior art keywords
- outer circumference
- circumference surface
- cone angle
- cone
- hot rolling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The utility model discloses a kind of hot rolling cone-shaped rolls, including support shaft and it is arranged the roller being installed in the support shaft, the roller has lateral surface, medial surface, small end face and large end face, the lateral surface is set gradually along the axial direction that steel pipe moves as the first outer circumference surface, second outer circumference surface and third outer circumference surface, the first outer circumference surface big end connects with the second outer circumference surface small end, the second outer circumference surface big end connects with the third outer circumference surface small end, the cone angle of first outer circumference surface is 14-18 °, the cone angle of second outer circumference surface is 8-12 °, the cone angle of the third outer circumference surface is 3-5 °, the difference of the cone angle of two neighboring outer circumference surface is 4-8 °.Hot rolling cone-shaped roll disclosed by the utility model is adapted to the requirement of high-alloy steel pipe dimensional accuracy, surface quality.
Description
Technical field
The utility model relates to steel pipe field, specially a kind of hot rolling cone-shaped roll.
Background technique
Punch commonly uses two roller oblique milling barrel shape rolls at present, but with the use of high alloy material, especially high conjunction
The characteristic of the plasticity difference of golden material, current barrel shape roll have not adapted to the demand of high alloy material production.Barrel shape rolls at present
Roller may create the problem that roll-force causes greatly very much steel pipe head to be easy to produce interior when high alloy pipe bites in use
Crackle；Outlet section too short-range missile causes the surfaces externally and internally deflection difference to hollow billet insufficient, is easy to produce surface defect；Roll surface, guide plate,
Top three-major-items are easy to produce heat fatigue and generate adverse effect to product surface.Barrel shape roll does not adapt to high-alloy steel pipe
The requirement of dimensional accuracy, surface quality.
Summary of the invention
The purpose of the utility model is to provide a kind of hot rolling cone-shaped roll, be adapted to high-alloy steel pipe dimensional accuracy,
The requirement of surface quality.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of hot rolling cone-shaped roll, including support shaft
Be arranged the roller being installed in the support shaft, the roller has lateral surface, medial surface, small end face and large end face, institute
Lateral surface is stated to set gradually along the axial direction that steel pipe moves as the first outer circumference surface, the second outer circumference surface and third excircle
Face, the first outer circumference surface big end connect with the second outer circumference surface small end, the second outer circumference surface big end with it is described
Third outer circumference surface small end connects, and the cone angle of first outer circumference surface is 14-18 °, and the cone angle of second outer circumference surface is
8-12 °, the cone angle of the third outer circumference surface is 3-5 °, and the difference of the cone angle of two neighboring outer circumference surface is 4-8 °.
Above-mentioned first outer circumference surface is inducer, is prepared for perforation, smoothly realizes that first and second bites and complete to wear
Hole.
Above-mentioned second outer circumference surface is rolling section, and exhibition rolls (expansion) tube wall, improves the dimensional accuracy and interior appearance of tube wall
The quality in face.
Above-mentioned third outer circumference surface is outlet section, by roller rotational processing oval hollow billet rule circle.
In above-mentioned technical proposal, the cone angle of first outer circumference surface is 15-17 °, the cone angle of second outer circumference surface
It is 9-11 °, the cone angle of the third outer circumference surface is 3.5-4.5 °, and the difference of the cone angle of two neighboring outer circumference surface is 5-7 °.
In above-mentioned technical proposal, the cone angle of first outer circumference surface is 16 °, and the cone angle of second outer circumference surface is
10 °, the cone angle of the third outer circumference surface is 4 °, and the difference of the cone angle of two neighboring outer circumference surface is 6 °.
In above-mentioned technical proposal, the axial direction of first outer circumference surface, the second outer circumference surface and third outer circumference surface is long
The ratio between degree is 8-9:1:10-11.
In above-mentioned technical proposal, the medial surface along the axial direction that steel pipe moves set gradually for the first inner peripheral surface,
Second inner peripheral surface and third inner peripheral surface, the first inner peripheral surface diameter are less than the third inner peripheral surface diameter and two
The diameter of person is all larger than the second inner peripheral surface diameter, is additionally provided with keyway on second inner peripheral surface.
In above-mentioned technical proposal, rounding off connects between first outer circumference surface and the small end face.
In above-mentioned technical proposal, rounding off connects between the third outer circumference surface and the large end face.
Since above-mentioned technical proposal is used, the utility model has the advantage that the utility model compared with prior art
Disclosed hot rolling cone-shaped roll, the cone angle of the first outer circumference surface are 14-18 °, reduce heat fatigue and bring roll surface glues iron, are subtracted
The destruction to pipe surface generated in the light operation of rolling.Biting at a slow speed makes top be easier to find central point accurately, improves production
Product wall thickness accuracy, the cone angle of the second outer circumference surface are 8-12 °, the transitional function for biting section and outlet section are assumed responsibility for, with original phase
It being mutated than reducing in deformation process, keeps metal flow deformation more smooth, the cone angle of third outer circumference surface is 3-5 °, adjacent two
The difference of the cone angle of a outer circumference surface is 4-8 °, and high-speed rolling reprocesses hollow hollow billet surfaces externally and internally defect, promotes product
Surface quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hot rolling cone-shaped roll disclosed by the utility model.
Wherein, 10, lateral surface；11, the first outer circumference surface；12, the second outer circumference surface；13, third outer circumference surface；20, interior
Side；21, the first inner peripheral surface；22, the second inner peripheral surface；23, third inner peripheral surface；24, keyway；30, small end face；40, big
Section.
Specific embodiment
The utility model is further described in conjunction with accompanying drawings and embodiments:
Referring to Fig. 1, as shown in legend therein, a kind of hot rolling cone-shaped roll, including support shaft (not regarded out in figure) and set
If being installed on the roller in support shaft, roller has lateral surface 10, medial surface 20, small end face 30 and large end face 40, lateral surface
10 set gradually along the axial direction that steel pipe moves as the first outer circumference surface 11, the second outer circumference surface 12 and third outer circumference surface
13,11 big end of the first outer circumference surface connects with 12 small end of the second outer circumference surface, 12 big end of the second outer circumference surface and third excircle
13 small end of face connects, and the cone angle of the first outer circumference surface 11 is 14-18 °, and the cone angle of the second outer circumference surface 12 is 8-12 °, outside third
The cone angle of periphery 13 is 3-5 °, and the difference of the cone angle of two neighboring outer circumference surface is 4-8 °.
In a kind of embodiment, the cone angle of the first outer circumference surface 11 is 16 °, and the cone angle of the second outer circumference surface 12 is 10 °, the
The cone angle of three outer circumference surfaces 13 is 4 °, and the difference of the cone angle of two neighboring outer circumference surface is 6 °.
In a kind of embodiment, the cone angle of the first outer circumference surface 11 is 14 °, and the cone angle of the second outer circumference surface 12 is 8 °, the
The cone angle of three outer circumference surfaces 13 is 4 °.
In a kind of embodiment, the cone angle of the first outer circumference surface 11 is 18 °, and the cone angle of the second outer circumference surface 12 is 12 °, the
The cone angle of three outer circumference surfaces 13 is 8 °.
In a kind of embodiment, the axial length of the first outer circumference surface, the second outer circumference surface and third outer circumference surface it
Than for 33:4:43.
In a kind of embodiment, the axial length of the first outer circumference surface, the second outer circumference surface and third outer circumference surface it
Than for 32:4:40.
In a kind of embodiment, medial surface 20 along the axial direction that steel pipe moves set gradually for the first inner peripheral surface 21,
Second inner peripheral surface 22 and third inner peripheral surface 23,21 diameter of the first inner peripheral surface are less than 23 diameter of third inner peripheral surface and two
The diameter of person is all larger than 22 diameter of the second inner peripheral surface, is additionally provided with keyway 24 on the second inner peripheral surface 22.
In a kind of embodiment, rounding off connects between the first outer circumference surface 11 and small end face 30.
In a kind of embodiment, rounding off connects between third outer circumference surface 13 and large end face 40.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (7)
1. a kind of hot rolling cone-shaped roll including support shaft and is arranged the roller being installed in the support shaft, which is characterized in that institute
Roller is stated with lateral surface, medial surface, small end face and large end face, the lateral surface is successively set along the axial direction that steel pipe moves
It is set to the first outer circumference surface, the second outer circumference surface and third outer circumference surface, the first outer circumference surface big end and described second
Outer circumference surface small end connects, and the second outer circumference surface big end connects with the third outer circumference surface small end, first outer circle
The cone angle of circumferential surface is 14-18 °, and the cone angle of second outer circumference surface is 8-12 °, and the cone angle of the third outer circumference surface is 3-
5 °, the difference of the cone angle of two neighboring outer circumference surface is 4-8 °.
2. hot rolling cone-shaped roll according to claim 1, which is characterized in that the cone angle of first outer circumference surface is 15-
17 °, the cone angle of second outer circumference surface is 9-11 °, and the cone angle of the third outer circumference surface is 3.5-4.5 °, two neighboring outer
The difference of the cone angle of periphery is 5-7 °.
3. hot rolling cone-shaped roll according to claim 2, which is characterized in that the cone angle of first outer circumference surface is 16 °,
The cone angle of second outer circumference surface is 10 °, and the cone angle of the third outer circumference surface is 4 °, the cone angle of two neighboring outer circumference surface
Difference be 6 °.
4. hot rolling cone-shaped roll according to claim 2, which is characterized in that first outer circumference surface, the second excircle
The ratio between axial length of face and third outer circumference surface is 8-9:1:10-11.
5. hot rolling cone-shaped roll according to claim 1, which is characterized in that the medial surface is along the axial direction side that steel pipe moves
To setting gradually as the first inner peripheral surface, the second inner peripheral surface and third inner peripheral surface, the first inner peripheral surface diameter is small
The second inner peripheral surface diameter, second inner peripheral surface are all larger than in the diameter of the third inner peripheral surface diameter and the two
On be additionally provided with keyway.
6. hot rolling cone-shaped roll according to claim 1, which is characterized in that first outer circumference surface and the small end face
Between rounding off connect.
7. hot rolling cone-shaped roll according to claim 1, which is characterized in that the third outer circumference surface and the large end face
Between rounding off connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821777105.8U CN209318432U (en) | 2018-10-31 | 2018-10-31 | A kind of hot rolling cone-shaped roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821777105.8U CN209318432U (en) | 2018-10-31 | 2018-10-31 | A kind of hot rolling cone-shaped roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209318432U true CN209318432U (en) | 2019-08-30 |
Family
ID=67709010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821777105.8U Active CN209318432U (en) | 2018-10-31 | 2018-10-31 | A kind of hot rolling cone-shaped roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209318432U (en) |
-
2018
- 2018-10-31 CN CN201821777105.8U patent/CN209318432U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7992417B2 (en) | Method for producing ultra thin wall metallic tube by cold rolling method | |
| WO2008111200A1 (en) | Seamless steel pipe, hollow spring utilizing seamless steel pipe, and process for manufacturing the same | |
| CN102240892B (en) | Method for forming hollow front shaft | |
| CN104907353A (en) | Production method of high-chromium ferrite stainless-steel seamless steel pipe blank | |
| CN209318432U (en) | A kind of hot rolling cone-shaped roll | |
| CN108971247B (en) | Combined cold drawing die for reducing wall thickness difference of steel pipe | |
| SU554019A1 (en) | Pilger mill roll | |
| RU2007134439A (en) | METHOD FOR PRODUCING SEAMLESS STEEL PIPE | |
| CN104874616A (en) | Wall thickness precision control method of hot rolled seamless steel pipes and roll pass | |
| CN101623704A (en) | Multi-roller large-diameter thin-wall seamless tube rolling mill | |
| CN205571079U (en) | Angle ring edge rolling shaping frock | |
| CN217095005U (en) | Periodic roll and roll device | |
| CN116227051B (en) | Rolling mill hole pattern design method and pipe quality inspection method | |
| CN208303694U (en) | Pusher hot tube expanding machine plug with air discharge duct | |
| CN201239735Y (en) | Multi-roller large-diameter thin-wall seamless tube rolling mill | |
| CN204710879U (en) | Large diameter tubing associating building mortion | |
| RU2722952C1 (en) | Method of rolling pipe workpieces | |
| CN204365851U (en) | Drawing wound form small-bend radius bent pipe mould | |
| CN207655641U (en) | A kind of compound top of effective water cooling of small-bore boiler | |
| CN1111456C (en) | Method for rolling metallic fin tube | |
| CN110624958B (en) | Rolling method for controlling inner diameter of seamless steel tube perforating gun barrel | |
| CN202461111U (en) | Roll of 2-roll cone mill | |
| RU180392U1 (en) | TORQUE BILLING WITH FLANGE | |
| RU2419497C1 (en) | Method of shell rolling at disk mill | |
| CN207655640U (en) | A kind of oblique roll-box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |