CN110076198A - A kind of two roller oblique milling forming device of pole material and method - Google Patents
A kind of two roller oblique milling forming device of pole material and method Download PDFInfo
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- CN110076198A CN110076198A CN201910360098.4A CN201910360098A CN110076198A CN 110076198 A CN110076198 A CN 110076198A CN 201910360098 A CN201910360098 A CN 201910360098A CN 110076198 A CN110076198 A CN 110076198A
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- oblique milling
- pole material
- roller
- diameter
- oblique
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/08—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process
- B21B13/12—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process axes being arranged in different planes
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Abstract
The present invention relates to metal forming technique and equipment technology field, providing a kind of two roller oblique milling forming device of pole material and method, the device includes 2 oblique milling rollers, guide plate, feed end feed tube and discharge end feed tube；2 oblique milling roller alternating inclinations arrangements, axis are in identical angle with pole material axis；Between 2 oblique milling rollers, pole material rotates guide plate fixed and arranged between two oblique milling rollers；Feed end feed tube is arranged in feed side, and pole material gets rid of pendulum before limitation is rolled；Discharge end feed tube is arranged in exit side, and limitation rolls rear pole material and gets rid of pendulum.Two oblique milling rollers make constant speed rotary motion in the same direction, and pole material is under the effect of roll/pole material frictional force, in the space that two oblique milling rollers and guide plate are constituted, are pivoted and axial feed motion, by the oblique milling of large-diameter circular bar at small-diameter circular bar.The present invention has the advantages that former is simple, forming accuracy is high, process flow is short, production cost is low, is suitable for the rolling mill practice of small batch pole material.
Description
Technical field
The present invention relates to metal forming technique and equipment technology field, in particular to a kind of two roller oblique milling of pole material at
Shape device and method.
Background technique
Pole material has a large amount of application in national economy, is the weight of metal forming technique Yu equipment technology field
Want basic material.Since material is in multidirectional compression strain regime, the plasticity that can improve metal inside becomes forging and forming technology
Shape is widely used, but the limitations such as that there are equipment investments is big, forming accuracy is low, production efficiency is low, is generally suitable for major diameter
The ingot formation of pole material；Roll forming utilizes the thinking " roll generation forging ", using multiple rolls to pole material Accurate Shaping, by
In lumber recovery height, precision can also meet the requirements, obtain good promotion and application, be the main preparation process of current bar,
Mainly there are multi-stand two-roller cross-arranging type, two roller tandem rolling formulas and three-roll continuous rolling formula, planetary rolling, screw rolling etc., but equipment is more
Complexity causes input cost higher, general to go into operation in the pole material of the medium-small diameter of steel plant is produced in enormous quantities.
For the forming of the poles material such as titanium alloy, magnesium alloy, composite material, generally not to the capacity requirements of forming technology
Height, and more need the forming technology that forming accuracy is high, forming property is good, cost is small.The present invention proposes two roller oblique milling bars
Technique, only drive two roller rotationals, the accurate rolling of bar can be completed, have former is simple, input cost is low, at
The advantage that shape precision is high, forming property is good is suitable for the small batch forming of pole material.
Summary of the invention
The object of the invention is to overcome the deficiencies of the prior art and provide a kind of two roller oblique milling forming device of pole material and
Method, is rotated at the same speed in the same direction by the oblique milling roller of driving two alternating inclinations arrangement, guarantees pole material in two oblique milling rollers by guide plate
Between rotate, get rid of pendulum by what feed tube prevented blank, under the effect of roll/round bar frictional force, complete pole material and bite automatically,
Realize the two roller oblique milling of pole material.
The present invention adopts the following technical scheme:
A kind of two roller oblique milling forming device of pole material, including the first oblique milling roller, the second oblique milling roller, guide plate, feed end guide
Cylinder and discharge end feed tube；
The first oblique milling roller, the geometric dimension of the second oblique milling roller are identical, successively include charging from feed end to discharge end
Section, shaped segment, Strain During Finishing Stage and discharging section；
The axis two sides alternating inclinations arrangement of the first oblique milling roller, the second oblique milling roller in round bar, the axis of two rolls
Intersect respectively with the axis of round bar and there is identical angle；The first oblique milling roller, the second oblique milling roller Strain During Finishing Stage radial direction in
Heart line is overlapped；
The guide plate fixed and arranged is between the first oblique milling roller, the second oblique milling roller, for guaranteeing pole material two tiltedly
It is rotated between roll；
The feed end feed tube fixed and arranged on the outside of the feed zone of roll, for limit roll before pole material get rid of pendulum；
The discharge end feed tube fixed and arranged on the outside of the discharging section of roll, for limit roll rear pole material get rid of pendulum；
Pole material is oblique in the space that the first oblique milling roller, the second oblique milling roller, guide plate collectively form before major diameter is rolled
It rolls into minor diameter and rolls rear pole material.
Further, the feed zone, Strain During Finishing Stage, discharging section are cylindrical shape, and the shaped segment is truncated conical shape；Institute
State feed zone diameter minimum, there is chamfering in pan feeding side；The Strain During Finishing Stage diameter is maximum；The shaped segment diameter is straight between feed zone
Between diameter and Strain During Finishing Stage diameter；By feed zone diameter transition to Strain During Finishing Stage diameter.
Further, the first oblique milling roller, the feed zone of the second oblique milling roller, shaped segment are machined with for increasing friction
The surface characteristics of power, the surface characteristics are annular knurl, plucking, scribe dent or pit.
Further, the guide plate is that unilateral guide plate or bilateral guide plate, guide plate height H ratio roll rear pole in round bar side
Small 0.5~the 3mm of diameter d of material.
Further, the feed end feed tube is hollow revolving body, and feed side is conical horn mouth, and exit side is
Equal diameter hollow cylinder, the diameter d of inner hole2It is 0.5~3mm bigger than circle diameter of rod D before rolling.
Further, the discharge end feed tube is hollow revolving body, and feed side is conical horn mouth, and exit side is
Equal diameter hollow cylinder, the diameter d of inner hole6It is 0.5~3mm bigger than circle diameter of rod d after rolling.
The present invention also provides a kind of two roller rolling shaping methods of pole material, utilize a kind of above-mentioned two roller oblique milling of pole material
Forming device, the manufacturing process are as follows:
Make the rotary motion around roll axis by the first oblique milling of power drive roller, the second oblique milling roller；Pole material is made around itself
The rotary motion of axis is made from the axial feed motion by feeding end to direction of discharge；By the first oblique milling roller, the second oblique milling
In the space that roller and guide plate are constituted, major diameter, which rolls preceding pole material and is rolled into minor diameter, rolls rear pole material.
Further, the first oblique milling roller, the second oblique milling roller rotary motion be in the same direction movement at the uniform velocity.
Further, it the rotary motion of the pole material and is axially moved by the first oblique milling roller/pole material frictional force and the
Two oblique milling rollers/pole material frictional force drives.
Further, the first oblique milling roller/pole material frictional force, the second oblique milling roller/pole material frictional force direction point
Do not intersect symmetrically with the blank axis alternating inclinations of pole material, and angle is contrary, equal in magnitude.
Further, the two roller oblique milling of pole material is cold rolling or hot rolling, and cold rolling is room temperature, and hot rolling is 600 DEG C -1400
℃。
Further, the manufacturing process is either disposably formed into the final size of small-diameter circular bar, either
Final size of the multiple tracks progressive forming to small-diameter circular bar.
The invention has the benefit that
1, using two oblique milling roll structures, device structure is simple；
2, driving two rollers rotation is only needed, rolling bar can be realized, equipment dynamic input is convenient；
3, forming mode belongs to partial plastic forming, and equipment tonnage is small；
4, shape bar is rolled by designing mold slanted, forming accuracy is high；
5, process flow is short, production cost is low, has a extensive future in the rolling bar field of small batch.
Detailed description of the invention
Fig. 1 show a kind of schematic illustration of two roller oblique milling forming device of pole material of the embodiment of the present invention.
Fig. 2 show a kind of pan feeding spatial position schematic diagram of two roller oblique milling forming device of pole material.
Fig. 3 show spatial position, pole material stress and the movement schematic diagram of a kind of two roller oblique milling forming device of pole material.
Fig. 4 show the first oblique milling roll structure schematic diagram.
In figure: 1. first oblique milling rollers；2. feed end feed tube；3. guide plate；4. pole material before rolling；5. the second oblique milling roller；6.
Roll rear pole material；7. discharge end feed tube；8. plug；A-A is roll pan feeding section；B-B is roll shaped segment；C-C is roll essence
Whole section；D-D is roll discharging section；0y-0yIt is also the Strain During Finishing Stage radial centre lines of two rolls for radial rolling center line；0x-0x
For axially rolled center line, it is also round the axis of bar；；01-01For the first oblique milling roll axis；02-02For the second oblique milling roll shaft
Line；F1It is the first oblique milling roller to the frictional force of pole material；F1xFor F1Axial thrust load；F1yFor F1Radial component；F2For the second oblique milling
Frictional force of the roller to pole material；F2xFor F2Axial thrust load；F2yFor F2Radial component；F is axial resultant force suffered by round bar, is
F1x、F2xThe sum of；n0For the revolving speed of first roll, second roll；N is the revolving speed of round bar；V is the axial velocity of round bar；D is
Circle diameter of rod before rolling；DAFor roll pan feeding section diameter；DCFor roll Strain During Finishing Stage diameter；D13For the radial spacing of two rolls；D is
Circle diameter of rod after rolling；d1For roll diameter of bore；d2For feeding end feed tube diameter of bore；d6For discharge end feed tube inner hole
Diameter；L is roll total length；LCFor roll finishing segment length；LDFor roll discharging segment length；lAIt is long for roll pan feeding section chamfering
Degree；α is roller declination angle, is the angle of roll axis Yu pole material axis；β is roll nip angle, is roll shaped segment and enter
Expect the angle of section；γ is the chamfering of roll discharging section and Strain During Finishing Stage；ε is the pan feeding side chamfering of roll pan feeding section；H is the height of guide plate
Degree；
Specific embodiment
Below in conjunction with specific attached drawing the present invention is described in detail specific embodiment.It should be noted that in following embodiments
The combination of the technical characteristic or technical characteristic of description is not construed as isolated, they can be combined with each other to reaching
To superior technique effect.
As shown in Figure 1, a kind of two roller oblique milling forming device of pole material of the embodiment of the present invention, without loss of generality, hereafter with Φ
The two roller oblique milling of pole material of 50mm for Φ 35mm pole material at being illustrated:
A kind of two roller oblique milling forming device of pole material, including the first oblique milling roller 1, the second oblique milling roller 5, guide plate 3, feed end are led
Barrel 2 and discharge end feed tube 7.
As shown in Figure 1, 2, the first oblique milling roller 1, the second oblique milling roller 5 round bar axis 0x-0xTwo sides alternating inclinations
Arrangement, the axis 0 of two rolls1-01、02-02With the axis 0 of round barx-0xIntersect and have identical angle α, the value of α is 3 °
~7 °, 1 Strain During Finishing Stage radial centre lines 0 of the first oblique milling rollery-0y, 5 Strain During Finishing Stage radial centre lines 0 of the second oblique milling rollery-0yWith rolling diameter
To center line 0y-0yThree is overlapped, the radial distance D of two oblique milling rollers 1,5 pan feeding sections13For 52mm, the radial direction of two roll Strain During Finishing Stages
Distance is 35mm.
As shown in Figure 1, the geometric dimension of the first oblique milling roller 1, the second oblique milling roller 5 is identical.As shown in figure 3, two oblique milling rollers 1,5
Maximum gauge be 280mm, total length L 200mm；Pan feeding section A-A is diameter DAFor the cylindrical surface of 263mm, in its pan feeding side
There is 15x15 ° of chamfering on face；Shaped segment B-B is rotary table, is transitioned into 280mm by diameter 263mm, the angle β with pan feeding section is
15°；Strain During Finishing Stage C-C is diameter DCFor 280mm, length LCFor the cylindrical body of 20mm；Discharging section D-D is length LDFor 20mm, chamfering
The rotary table that γ is 20 °.Be machined with the surface characteristics for increasing friction force in feed zone A-A, shaped segment B-B, can for annular knurl,
Plucking scribes dent, pit etc..
As shown in Figure 1,3 fixed and arranged of guide plate between the first oblique milling roller 1, the second oblique milling roller 5, guarantees that pole material exists
It is rotated between two oblique milling rollers；Guide plate 3 is that unilateral guide plate or bilateral guide plate, 3 height H ratio of guide plate roll rear round bar in round bar two sides
The 6 small 0.5~3mm of diameter d.
As shown in Figure 1,2 fixed and arranged of feed end feed tube is on the outside of the feed zone of two oblique milling rollers 1,5, for limiting
Pole material 4 gets rid of pendulum before rolling；Feed end feed tube 2 is hollow revolving body, and entering feed side is conical horn mouth, and exit side is
Equal diameter hollow cylinder, the diameter d of inner hole2It is 0.5~3mm bigger than 4 diameter D of pole material before rolling.
As shown in Figure 1,7 fixed and arranged of discharge end feed tube is on the outside of the discharge end section of two oblique milling rollers 1,5, for limiting
What system rolled rear pole material 6 gets rid of pendulum；Discharge end feed tube 7 is hollow revolving body, and entering feed side is conical horn mouth, exit side
For equal diameter hollow cylinder, the diameter d of inner hole6It is 0.5~3mm bigger than rolling rear 6 diameter d of pole material.
As shown in Figure 1, pole material 4 is collectively formed in the first oblique milling roller 1, the second oblique milling roller 5, guide plate 3 before major diameter is rolled
Rear pole material 6 is rolled at minor diameter by oblique milling in space.
A kind of two roller rolling shaping method of pole material of the embodiment of the present invention, without loss of generality, hereafter with the big straight of Φ 50mm
For the two roller oblique milling of diameter pole material at being illustrated for the small-diameter circular bar of Φ 35mm, method is as follows:
A kind of two roller rolling shaping method of pole material utilizes a kind of above-mentioned two roller oblique milling forming device of pole material, such as Fig. 1
Shown, the input general power to the first oblique milling roller 1, the second oblique milling roller 5 is 130kw, and revolving speed is the power of 72rmp, driving first
Oblique milling roller 1, the second oblique milling roller 5 are rotating around roll axis 01-01、02-02Make constant speed rotary motion in the same direction.
As shown in Fig. 2, two rolls are made after constant speed moves in the same direction, would be heated to rolling temperature, (cold rolling is room temperature, and hot rolling is
700 DEG C -1300 DEG C) roll before 4 end face of pole material contacted with roll shaped segment B-B.
As shown in figure 3, pole material 4,6 is by 1/ pole material frictional force F of the first oblique milling roller1, 5/ pole material of the second oblique milling roller
Frictional force F2Force action, frictional force F1、F2The blank axis 0 with pole material 4,6x-0xStaggeredly symmetrical intersection, and angle side
To opposite, equal in magnitude.By feed end feed tube 2, guide plate 3 and discharge end feed tube 7 control pole material 4,6 move radially and
Pendulum is got rid of, by F1、F2Radial component F1y、F2yPole material 4,6 is driven to make around axis 0x-0xRotary motion, by F1、F2Axial direction
Component F1x、F2xPole material 4,6 is driven to overcome roll-force, along axis 0x-0xDirection feeding.As shown in Figure 1, before major diameter is rolled
Pole material 4 rolls rear pole material 6 at minor diameter by oblique milling in the space that two oblique milling rollers 1,5 and guide plate 3 are constituted.
The present invention has the advantages that former is simple, forming accuracy is high, process flow is short, production cost is low, is suitable for
The rolling mill practice of small batch pole material.
Although having been presented for several embodiments of the present invention herein, it will be appreciated by those of skill in the art that
Without departing from the spirit of the invention, the embodiments herein can be changed.Above-described embodiment is only exemplary, no
It should be using the embodiments herein as the restriction of interest field of the present invention.
Claims (12)
1. a kind of two roller oblique milling forming device of pole material, which is characterized in that including the first oblique milling roller, the second oblique milling roller, guide plate, into
Expect end feed tube and discharge end feed tube；
The first oblique milling roller, the geometric dimension of the second oblique milling roller are identical, from feed end to discharge end successively include feed zone,
Shaped segment, Strain During Finishing Stage and discharging section；
The axis two sides alternating inclinations arrangement of the first oblique milling roller, the second oblique milling roller in round bar, the axis and circle of two rolls
The axis of bar intersects respectively and has identical angle；The Strain During Finishing Stage radial centre lines of the first oblique milling roller, the second oblique milling roller
It is overlapped；
The guide plate fixed and arranged is between the first oblique milling roller, the second oblique milling roller, for guaranteeing pole material in two oblique milling rollers
Between rotate；
The feed end feed tube fixed and arranged on the outside of the feed zone of roll, for limit roll before pole material get rid of pendulum；
The discharge end feed tube fixed and arranged on the outside of the discharging section of roll, for limit roll rear pole material get rid of pendulum；
Major diameter roll before pole material in the space that the first oblique milling roller, the second oblique milling roller, guide plate collectively form by oblique milling at
Minor diameter rolls rear pole material.
2. a kind of two roller oblique milling forming device of pole material as described in claim 1, which is characterized in that the feed zone, finishing
Section, discharging section are cylindrical shape, and the shaped segment is truncated conical shape；The feed zone diameter is minimum, there is chamfering in pan feeding side；
The Strain During Finishing Stage diameter is maximum；The shaped segment diameter is between feed zone diameter and Strain During Finishing Stage diameter；By feed zone diameter
It is transitioned into Strain During Finishing Stage diameter.
3. a kind of two roller oblique milling forming device of pole material as described in claim 1, which is characterized in that the first oblique milling roller,
Feed zone, the shaped segment of second oblique milling roller are machined with the surface characteristics for increasing friction force, the surface characteristics be annular knurl,
Plucking scribes dent or pit.
4. a kind of two roller oblique milling forming device of pole material as described in claim 1, which is characterized in that the guide plate is in round bar
Side is that unilateral guide plate or bilateral guide plate, guide plate height H ratio roll the small 0.5~3mm of diameter d of rear round bar.
5. two roller oblique milling forming device of a kind of pole material according to any one of claims 1-4, which is characterized in that the charging
End feed tube is hollow revolving body, and feed side is conical horn mouth, and exit side is equal diameter hollow cylinder, the diameter of inner hole
d2It is 0.5~3mm bigger than circle diameter of rod D before rolling.
6. two roller oblique milling forming device of a kind of pole material according to any one of claims 1-4, which is characterized in that the discharging
End feed tube is hollow revolving body, and feed side is conical horn mouth, and exit side is equal diameter hollow cylinder, the diameter of inner hole
d6It is 0.5~3mm bigger than circle diameter of rod d after rolling.
7. a kind of two roller rolling shaping method of pole material, which is characterized in that utilize one kind as claimed in any one of claims 1 to 6
Two roller oblique milling forming device of pole material, the manufacturing process are as follows:
Make the rotary motion around roll axis by the first oblique milling of power drive roller, the second oblique milling roller；Pole material is made around own axes
Rotary motion, make from the axial feed motion by feeding end to direction of discharge；By the first oblique milling roller, the second oblique milling roller and
In the space that guide plate is constituted, major diameter, which rolls preceding pole material and is rolled into minor diameter, rolls rear pole material.
8. a kind of two roller rolling shaping method of pole material as claimed in claim 7, which is characterized in that the first oblique milling roller,
The rotary motion of second oblique milling roller is movement at the uniform velocity in the same direction.
9. a kind of two roller rolling shaping method of pole material as claimed in claim 7, which is characterized in that the revolution of the pole material
Movement and axial movement are driven by the first oblique milling roller/pole material frictional force and the second oblique milling roller/pole material frictional force.
10. such as a kind of described in any item two roller rolling shaping methods of pole material of claim 7-9, which is characterized in that described the
One oblique milling roller/pole material frictional force, the second oblique milling roller/pole material frictional force direction interlock with the blank axis of pole material respectively
The symmetrical intersection of inclination.
11. such as a kind of described in any item two roller rolling shaping methods of pole material of claim 7-9, which is characterized in that the circle
Two roller oblique milling of bar is cold rolling or hot rolling, and cold rolling is room temperature, and hot rolling is 600 DEG C -1400 DEG C.
12. the two roller rolling shaping method of a kind of pole material as described in claim 7-9, which is characterized in that the manufacturing process
Disposably be formed into small-diameter circular bar final size or multiple tracks progressive forming to small-diameter circular bar most
Whole size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360098.4A CN110076198B (en) | 2019-04-30 | 2019-04-30 | Two-roller skew rolling forming device and method for round bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360098.4A CN110076198B (en) | 2019-04-30 | 2019-04-30 | Two-roller skew rolling forming device and method for round bar |
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| Publication Number | Publication Date |
|---|---|
| CN110076198A true CN110076198A (en) | 2019-08-02 |
| CN110076198B CN110076198B (en) | 2020-02-28 |
Family
ID=67418038
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910360098.4A Active CN110076198B (en) | 2019-04-30 | 2019-04-30 | Two-roller skew rolling forming device and method for round bar |
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| Country | Link |
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| CN (1) | CN110076198B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113916279A (en) * | 2021-08-30 | 2022-01-11 | 北京科技大学 | Device for measuring axial rolling force and rotating speed of rolled piece in cross wedge rolling forming process |
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| CN106424141A (en) * | 2016-07-27 | 2017-02-22 | 北京科技大学 | Method for warm skew rolling and shaping of neck bush of damping part and die of same |
| CN108580547A (en) * | 2018-03-01 | 2018-09-28 | 西安建筑科技大学 | A kind of isometric helix milling method of large-scale titanium alloy ultra fine grained steel bar |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06292906A (en) * | 1993-04-09 | 1994-10-21 | Nippon Steel Corp | Manufacture of bar and wire rod of titanium and titanium alloy |
| CN2182005Y (en) * | 1994-05-19 | 1994-11-09 | 北京科技大学 | Extender |
| CN1546715A (en) * | 2003-11-29 | 2004-11-17 | 燕山大学 | Medium and high-carbon steel shaft parts of ultra-fine crystal grain and its production technology |
| CN101844153A (en) * | 2010-05-20 | 2010-09-29 | 北京科技大学 | Metal bar material and pipe material precision hot helical rolling and blanking roller and blanking method thereof |
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| CN106424141A (en) * | 2016-07-27 | 2017-02-22 | 北京科技大学 | Method for warm skew rolling and shaping of neck bush of damping part and die of same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113916279A (en) * | 2021-08-30 | 2022-01-11 | 北京科技大学 | Device for measuring axial rolling force and rotating speed of rolled piece in cross wedge rolling forming process |
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| CN110076198B (en) | 2020-02-28 |
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