CN203750993U - Integrated inclined and longitudinal rolling anchor rod rolling mill - Google Patents
Integrated inclined and longitudinal rolling anchor rod rolling mill Download PDFInfo
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- CN203750993U CN203750993U CN201420218611.9U CN201420218611U CN203750993U CN 203750993 U CN203750993 U CN 203750993U CN 201420218611 U CN201420218611 U CN 201420218611U CN 203750993 U CN203750993 U CN 203750993U
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Abstract
The utility model belongs to the technical field of rolling of anchor rods and provides an integrated inclined and longitudinal rolling anchor rod rolling mill. The integrated inclined and longitudinal rolling anchor rod rolling mill comprises a three-roller inclined rolling reducing mill (1), one to three two-roller longitudinal rolling tension reducing mills (2) and a three-roller threaded forming rolling mill (3), which are arranged on a same rack (4), wherein the three-roller inclined rolling reducing mill (1) is arranged at the inlet end of the anchor rod rolling mill; the three-roller threaded forming rolling mill (3) is arranged at the outlet end of the anchor rod rolling mill; the two-roller longitudinal rolling tension reducing mills (2) are arranged between the three-roller inclined rolling reducing mill (1) and the three-roller threaded forming rolling mill (3). Different tensions are obtained by rotating speed difference between the three-roller inclined rolling reducing mill and the two-roller longitudinal rolling tension reducing mills, the wall thickness of steel pipes can be accurately controlled, reducing wall increase or reducing wall decrease or reducing wall equalization rolling can be performed, the needed outer diameter and wall thickness sizes can be achieved, the working efficiency is improved, and the cost is reduced.
Description
Technical field
The rolling technical field of the utility model anchor pole, is specifically related to a kind of oblique axial rolling integral type Bolt Rolling Mill.
Background technology
Quick progress and development along with China's science and machinery industry, the domestic field that has many medium and small shapes enterprise to enter processing anchor pole, conventional technique is equal diameter rolling anchor bar, equal diameter rolling anchor bar raw material is cold-drawn cold tube rolling, cold-drawn cold tube rolling cost is very high, than high 30% left and right of hot finished steel pipe, and in the operation of rolling, have the contaminated environment operations such as pickling, product also produces certain pollution in using and transporting.Therefore, continuous renewal through technology, has occurred directly producing with hot rolled seamless steel tube the technology and equipment of the reducing and rolling anchor pole of diameter anchoring bolt at present: the direct reducing and rolling anchor pole of fished pipe (cold rolling) or fished pipe heating are carried out anchor pole roll forming again by setting up tension force (generally in 10-28 frames) tube reducing between stretch-reducing mill multi-frame after subtracting wall.There is some problems in these two kinds of techniques: 1, during cold rolling reducing and rolling, the wall thickness of anchor pole cannot accurately be controlled, and can not produce the anchor pole that wall thickness is less than hollow billet wall thickness, can only increase wall by tube reducing, can not subtract wall by tube reducing.For the anchor pole of same outside dimension, its wall thickness specifications has a lot, causes same external diameter, the external diameter and the wall thickness specifications that need the corresponding a kind of hollow billet of each wall thickness, cause the requirement specification of hollow billet to increase, simultaneously according to different feeds specification, adjusting process and equipment, reduced productivity ratio frequently.When 2, anchor pole is produced in hot rolling, three-roller tension reducing mill frame is many, and corresponding equipment cost is high, and the area that takes up room is large, and the steel pipe that stretch reducing subtracts after wall there will be surface quality problems.
Utility model content
For addressing the above problem, the purpose of this utility model is to propose a kind of oblique axial rolling integral type Bolt Rolling Mill.
The utility model adopts following technical scheme for completing above-mentioned purpose:
An oblique axial rolling integral type Bolt Rolling Mill, described oblique axial rolling integral type Bolt Rolling Mill includes roller trio skew rolling reducing mill, two roller axial rolling stretch-reducing mills, three roller screw forming milling trains and online annealing device; Described roller trio skew rolling reducing mill, two roller axial rolling stretch-reducing mills and three roller screw forming milling trains are arranged in same frame; Described roller trio skew rolling reducing mill is arranged on described Bolt Rolling Mill arrival end, and three described roller screw forming milling trains are arranged on the described Bolt Rolling Mill port of export; Two described roller axial rolling stretch-reducing mills are 1-3 and are arranged between roller trio skew rolling reducing mill and three roller screw forming milling trains; Described roller trio skew rolling reducing mill has three rolls that are uniformly distributed along the circumference, and corresponding three described rolls are provided with to control the buncher I of its rotating speed; Between three rolls of roller trio skew rolling reducing mill, form the vestibule that increases wall rolling in order to hollow billet is carried out to tube reducing; Two described roller axial rolling stretch-reducing mills have two rolls setting up and down, two rolls up and down of corresponding two roller axial rolling stretch-reducing mills are respectively arranged with to control the buncher II of its rotating speed, form in order to hollow billet is carried out to the equal wall of tube reducing or tube reducing and increase the vestibule that wall or tube reducing subtract wall rolling between two rolls of two roller axial rolling stretch-reducing mills; Three described roller screw forming milling trains have three rolls that are uniformly distributed along the circumference, and the roll of corresponding three roller screw forming milling trains is provided with to control the buncher III of its rotating speed; Between three rolls of three roller screw forming milling trains, form in order to hollow billet is carried out to the vestibule of screw forming rolling; Described online annealing device is positioned at the three roller screw forming milling train ports of export and is arranged in the frame of three roller screw forming milling trains, and three water-cooled shower nozzles of online annealing device are 120
0be distributed between three rolls of three roller screw forming milling trains, between every two the adjacent rolls of three roller screw forming milling trains, be provided with water-cooled shower nozzle.
The rotating speed of described buncher II is identical with the rotating speed of buncher I, forms the Minimal Tension structure that the hollow billet after roller trio skew rolling reducing mill oblique milling tube reducing increases wall is carried out to the equal wall rolling of tube reducing between described roller trio skew rolling reducing mill and two roller axial rolling stretch-reducing mills.
The rotating speed of described buncher II and the rotating speed rotating speeds different and buncher I of buncher I are greater than the rotating speed of described buncher II; Between described roller trio skew rolling reducing mill and two roller axial rolling stretch-reducing mills, set up to the hollow billet after roller trio skew rolling reducing mill oblique milling tube reducing increases wall carry out tube reducing increase wall rolling without tension structure.
The rotating speed of described buncher II and the rotating speed rotating speeds different and buncher I of buncher I are less than the rotating speed of described buncher II; Between described roller trio skew rolling reducing mill and two roller axial rolling stretch-reducing mills, set up the hollow billet after roller trio skew rolling reducing mill oblique milling tube reducing increases wall is carried out to the high tension structure that tube reducing subtracts wall rolling.
Three rolls of roller trio skew rolling reducing mill have approach cone section, expansion section from front to back and go out prostomum section; Described approach cone section is the structure in A-P flaring footpath, and described expansion section is equal diameter segment structure; Described go out prostomum section for the structure in convergent footpath from front to back.
Three rolls of three roller screw forming milling trains all have the gradually extension diameter section of front end, the equal diameter section of rear end and middle gradually extension diameter section; Gradually extension diameter section in the middle of three roller screw forming rolling mill rolls and the equal diameter section surface of rear end are shape of threads.
Described online annealing device includes pipeline, flowmeter and water-cooled shower nozzle.
A kind of oblique axial rolling integral type Bolt Rolling Mill the utility model proposes, adopt technique scheme, by roller trio skew rolling reducing mill, set up different tension force from the speed discrepancy between two roller axial rolling stretch-reducing mills, can control accurately the wall thickness of steel pipe, can increase wall, can subtract wall, all wall rollings, its wall thickness can be below 5mm, reduce the requirement specification quantity of blank simultaneously, only needed one to two kind of hollow billet specification, by different tension force, carried out tube reducing, control wall thickness rolling, can reach required external diameter and wall thickness dimension.Roller trio skew rolling reducing mill, two roller axial rolling stretch-reducing mills, three roller screw forming milling trains are arranged in same frame, between three equipment, spacing is little, oblique milling tube reducing, axial rolling stretch reducing, screw forming rolling three process can carry out simultaneously, the crop of having controlled anchor pole truncates, and has improved operating efficiency, has reduced cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of roller trio skew rolling reducing mill in the utility model.
Fig. 3 is the structural representation of roller trio skew rolling reducing mill roll in the utility model.
Fig. 4 is the structural representation of roll in two roller axial rolling stretch-reducing mills in the utility model.
Fig. 5 is the structural representation of three roller screw forming rolling mill rolls in the utility model.
Fig. 6 is the structural representation of epicyclic gearbox inside in the utility model.
Fig. 7 is three roller screw forming rolling mill rolls and online annealing device layout schematic diagram in the utility model.
Fig. 8 is the structural representation of water-cooled shower nozzle in the utility model.
Fig. 9 is the technical process schematic diagram of the oblique axial rolling integral type of the utility model Bolt Rolling Mill rolling anchor bar.
In figure: 1, roller trio skew rolling reducing mill, 2, two roller axial rolling stretch-reducing mills, 3, three roller screw forming milling trains, 4, frame, 5, epicyclic gearbox I, 6, epicyclic gearbox II, 7, Hooks coupling universal coupling I, 8, Hooks coupling universal coupling II, 9, buncher III, 10, buncher I, 12, hollow billet, 13, the roll of roller trio skew rolling reducing mill, 14, the roll of two roller axial rolling stretch-reducing mills, 15, the roll of three roller screw forming milling trains, 16, online annealing device, 17, pipeline, 18, water-cooled shower nozzle, 20, nozzle, 21, driving gear, 22, driven gear, 24, buncher II.
The specific embodiment
With specific embodiment, the utility model is illustrated by reference to the accompanying drawings;
As shown in Figure 1, a kind of oblique axial rolling integral type Bolt Rolling Mill, described oblique axial rolling integral type Bolt Rolling Mill includes roller trio skew rolling reducing mill 1, two roller axial rolling stretch-reducing mills 2, three roller screw forming milling trains 3 and online annealing device 16; Described roller trio skew rolling reducing mill 1, two roller axial rolling stretch-reducing mills 2 and three roller screw forming milling trains 3 are arranged in same frame 4; Described roller trio skew rolling reducing mill 1 is arranged on described Bolt Rolling Mill arrival end, and the roll 13 of corresponding roller trio skew rolling reducing mill is provided with hydraulic means, in order to drafts and the feed angle of the roll 13 to roller trio skew rolling reducing mill, carries out precision adjustment; Described hydraulic means is existing mature technology in prior art, at this, does not do too much explanation: three described roller screw forming milling trains 3 are arranged on the described Bolt Rolling Mill port of export; Two described roller axial rolling stretch-reducing mills 2 are for being arranged on 1-3 between roller trio skew rolling reducing mill and three roller screw forming milling trains; In this embodiment, two described roller axial rolling stretch-reducing mills 2 are three; Described roller trio skew rolling reducing mill 1 has three rolls that are uniformly distributed along the circumference, corresponding three buncher I 10 that are provided with to control its rotating speed; Described buncher I 10 is connected with three rolls of roller trio skew rolling reducing mill by epicyclic gearbox I 5; Between three rolls of roller trio skew rolling reducing mill, form the vestibule that increases wall rolling in order to hollow billet is carried out to tube reducing; Two described roller axial rolling stretch-reducing mills 2 have two rolls setting up and down, corresponding two roller axial rolling stretch-reducing mills two rolls setting up and down are respectively arranged with to control between two rolls of buncher II 24, two roller axial rolling stretch-reducing mills of its rotating speed, to form in order to hollow billet is carried out to tube reducing and increase the vestibule that wall or tube reducing subtract wall or the equal wall rolling of tube reducing; Three described roller screw forming milling trains 3 have three rolls that are uniformly distributed along the circumference, and are provided with to control the buncher III 9 of three roll rotational speeds of three roller screw forming milling trains; Between three rolls of three roller screw forming milling trains, form in order to hollow billet is carried out to the vestibule of screw forming rolling; Described online annealing device 16 is positioned at the three roller screw forming milling train ports of export and is arranged in the frame of three roller screw forming milling trains, and three water-cooled shower nozzles of online annealing device are 120
0be distributed between three rolls of three roller screw forming milling trains, between two every adjacent rolls of three roller screw forming milling trains 3, be provided with water-cooled shower nozzle.
The rotating speed of described buncher II 24 is identical with the rotating speed of buncher I 10, forms the Minimal Tension structure that the hollow billet after roller trio skew rolling reducing mill oblique milling tube reducing increases wall is carried out to the equal wall rolling of tube reducing between described roller trio skew rolling reducing mill 1 and two roller axial rolling stretch-reducing mills 2.
The rotating speed of described buncher II 24 and the rotating speed rotating speeds different and buncher I 10 of buncher I 10 are greater than the rotating speed of described buncher II 24; Between described roller trio skew rolling reducing mill 1 and two roller axial rolling stretch-reducing mills 2, set up to the hollow billet after roller trio skew rolling reducing mill oblique milling tube reducing increases wall carry out tube reducing increase wall rolling without tension structure.
The rotating speed of described buncher II 24 and the rotating speed rotating speeds different and buncher I 10 of buncher I 10 are less than the rotating speed of described buncher II 24; Between described roller trio skew rolling reducing mill 1 and two roller axial rolling stretch-reducing mills 2, set up the hollow billet after roller trio skew rolling reducing mill oblique milling tube reducing increases wall is carried out to the high tension structure that tube reducing subtracts wall rolling.
The mode of speed regulation of described buncher I 10, buncher II 24 and buncher III 9 is DC speed regulation or AC speed regulating.
As shown in Figure 3, the roll 13 of roller trio skew rolling reducing mill has approach cone section, expansion section from front to back and goes out prostomum section; Described approach cone section is the structure in flaring footpath from front to back, and described expansion section is equal diameter segment structure; Described go out prostomum section for the structure in convergent footpath from front to back.
As shown in Figure 5, the roll 15 of three roller screw forming milling trains has the gradually extension diameter section of front end, the equal diameter section of rear end and middle gradually extension diameter section; Gradually extension diameter section in the middle of three roller screw forming rolling mill rolls and the equal diameter section surface of rear end are shape of threads.
As shown in Figure 6, described epicyclic gearbox I 5 includes a driving gear 21 and three driven gears 22; Driven gear 22 described in three is meshed with driving gear 21 respectively, and driving gear 21 is connected with buncher I 10, and driven gear 22 is connected with three running rollers 13 of three-roller type oblique milling reducing mill by Hooks coupling universal coupling II 8 respectively.
As shown in Figure 7, Figure 8, described online annealing device 16 includes pipeline 17, flowmeter and water-cooled shower nozzle 18; Described water-cooled shower nozzle 18 is three groups that are uniformly distributed along the circumference, and the water-cooled shower nozzle 18 described in every group is between adjacent two rolls of three roller screw forming milling trains; Described pipeline 17 is connected with described water-cooled shower nozzle 18; Water-cooled shower nozzle described in every group has four nozzles 20, controls the discharge of water-cooled shower nozzle by PLC, carries out online heat treatment in the process of rolling.
As shown in Figure 9, tiltedly the process engineering of axial rolling integral type Bolt Rolling Mill is: the hollow billet after heating is introduced into roller trio skew rolling reducing mill 1, three rolls by roller trio skew rolling reducing mill 1 carry out the rolling of tube reducing increasing wall to hollow billet, after roller trio skew rolling reducing mill 1 carries out the rolling of tube reducing increasing wall, one end of hollow billet enters in two roller axial rolling stretch-reducing mills 2, when the rotating speed of the roll 14 of two roller axial rolling stretch-reducing mills is greater than the rotating speed of roll 13 of roller trio skew rolling reducing mill, hollow billet is carried out to tube reducing and subtract wall rolling; When the rotating speed of roll 14 of two roller axial rolling stretch-reducing mills 2 is identical with the rotating speed of the roll 13 of roller trio skew rolling reducing mill, hollow billet is carried out to the equal wall rolling of tube reducing; When the rotating speed of the roll 14 of two roller axial rolling stretch-reducing mills is less than the rotating speed of roll 13 of roller trio skew rolling reducing mill, hollow billet is carried out to tube reducing and increase wall rolling; Then, by two roller axial rolling stretch-reducing mills 2 hollow billet out, enter again three roller screw forming milling trains 3, rolled threaded by the roll 15 of three roller screw forming milling trains 3, finally carry out online heat treatment, finally obtain hollow bolt.
Claims (7)
1. an oblique axial rolling integral type Bolt Rolling Mill, is characterized in that: described oblique axial rolling integral type Bolt Rolling Mill includes roller trio skew rolling reducing mill (1), two roller axial rolling stretch-reducing mills (2), three roller screw forming milling trains (3) and online annealing device (16); Described roller trio skew rolling reducing mill (1), two roller axial rolling stretch-reducing mills (2) and three roller screw forming milling trains (3) are arranged in same frame (4); Described roller trio skew rolling reducing mill (1) is arranged on described Bolt Rolling Mill arrival end, and three described roller screw forming milling trains (3) are arranged on the described Bolt Rolling Mill port of export; Two described roller axial rolling stretch-reducing mills (2) are 1-3 and are arranged between roller trio skew rolling reducing mill (1) and three roller screw forming milling trains (3); Described roller trio skew rolling reducing mill (1) has three rolls that are uniformly distributed along the circumference, and three rolls of corresponding roller trio skew rolling reducing mill are provided with to control the buncher I (10) of its rotating speed; Between three rolls of roller trio skew rolling reducing mill, form the vestibule that increases wall rolling in order to hollow billet is carried out to tube reducing; Two described roller axial rolling stretch-reducing mills (2) have two rolls setting up and down, two rolls up and down of corresponding two roller axial rolling stretch-reducing mills are respectively arranged with to control the buncher II (24) of its rotating speed, form in order to hollow billet is carried out to the equal wall of tube reducing or tube reducing and increase the vestibule that wall or tube reducing subtract wall rolling between two rolls of two roller axial rolling stretch-reducing mills; Three described roller screw forming milling trains (3) have three rolls that are uniformly distributed along the circumference, and the roll (15) of corresponding three roller screw forming milling trains is provided with to control the buncher III (9) of its rotating speed; Between three rolls of three roller screw forming milling trains, form in order to hollow billet is carried out to the vestibule of screw forming rolling; Described online annealing device (16) is positioned at the three roller screw forming milling train ports of export and is arranged in the frame of three roller screw forming milling trains, and three water-cooled shower nozzles (18) of online annealing device are 120
0be distributed between three rolls of three roller screw forming milling trains (3), between every two the adjacent rolls of three roller screw forming milling trains, be provided with water-cooled shower nozzle (18).
2. a kind of oblique axial rolling integral type Bolt Rolling Mill according to claim 1, it is characterized in that: the rotating speed of described buncher II (24) is identical with the rotating speed of buncher I (10), between described roller trio skew rolling reducing mill (1) and two roller axial rolling stretch-reducing mills (2), form the Minimal Tension structure that the hollow billet after roller trio skew rolling reducing mill oblique milling tube reducing increases wall is carried out to the equal wall rolling of tube reducing.
3. a kind of oblique axial rolling integral type Bolt Rolling Mill according to claim 1, is characterized in that: the rotating speed of described buncher II (24) and the rotating speed rotating speeds different and buncher I (10) of buncher I (10) are greater than the rotating speed of described buncher II (24); Between described roller trio skew rolling reducing mill (1) and two roller axial rolling stretch-reducing mills (2), set up to the hollow billet after roller trio skew rolling reducing mill oblique milling tube reducing increases wall carry out tube reducing increase wall rolling without tension structure.
4. a kind of oblique axial rolling integral type Bolt Rolling Mill according to claim 1, is characterized in that: the rotating speed of described buncher II (24) and the rotating speed rotating speeds different and buncher I (10) of buncher I (10) are less than the rotating speed of described buncher II (24); Between described roller trio skew rolling reducing mill (1) and two roller axial rolling stretch-reducing mills (2), set up the hollow billet after roller trio skew rolling reducing mill oblique milling tube reducing increases wall is carried out to the high tension structure that tube reducing subtracts wall rolling.
5. a kind of oblique axial rolling integral type Bolt Rolling Mill according to claim 1, is characterized in that: the roll of roller trio skew rolling reducing mill (13) has approach cone section, expansion section from front to back and goes out prostomum section; Described approach cone section is the structure in A-P flaring footpath, and described expansion section is equal diameter segment structure; Described go out prostomum section for the structure in convergent footpath from front to back.
6. a kind of oblique axial rolling integral type Bolt Rolling Mill according to claim 1, is characterized in that: the roll (15) of three roller screw forming milling trains has the gradually extension diameter section of front end, the equal diameter section of rear end and middle gradually extension diameter section; Gradually extension diameter section in the middle of three roller screw forming rolling mill rolls and the equal diameter section surface of rear end are shape of threads.
7. a kind of oblique axial rolling integral type Bolt Rolling Mill according to claim 1, is characterized in that: described online annealing device (16) includes pipeline (17), flowmeter and water-cooled shower nozzle (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420218611.9U CN203750993U (en) | 2014-04-30 | 2014-04-30 | Integrated inclined and longitudinal rolling anchor rod rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420218611.9U CN203750993U (en) | 2014-04-30 | 2014-04-30 | Integrated inclined and longitudinal rolling anchor rod rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203750993U true CN203750993U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420218611.9U Expired - Fee Related CN203750993U (en) | 2014-04-30 | 2014-04-30 | Integrated inclined and longitudinal rolling anchor rod rolling mill |
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| Country | Link |
|---|---|
| CN (1) | CN203750993U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526222A (en) * | 2018-06-06 | 2018-09-14 | 太原通泽智能工程股份有限公司 | The axial rolling oblique milling combined type pipe mill and milling method of small-diameter, thin-walled seamless pipe |
| CN109590416A (en) * | 2018-12-27 | 2019-04-09 | 宁波大学 | A kind of coordinated type three-roll cross rolling mill |
| CN109719240A (en) * | 2018-12-27 | 2019-05-07 | 宁波大学 | A kind of shaft forgings processing roller trio skew rolling device |
| CN109719239A (en) * | 2018-12-27 | 2019-05-07 | 宁波大学 | A kind of synchronous roller trio skew rolling device |
-
2014
- 2014-04-30 CN CN201420218611.9U patent/CN203750993U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526222A (en) * | 2018-06-06 | 2018-09-14 | 太原通泽智能工程股份有限公司 | The axial rolling oblique milling combined type pipe mill and milling method of small-diameter, thin-walled seamless pipe |
| CN109590416A (en) * | 2018-12-27 | 2019-04-09 | 宁波大学 | A kind of coordinated type three-roll cross rolling mill |
| CN109719240A (en) * | 2018-12-27 | 2019-05-07 | 宁波大学 | A kind of shaft forgings processing roller trio skew rolling device |
| CN109719239A (en) * | 2018-12-27 | 2019-05-07 | 宁波大学 | A kind of synchronous roller trio skew rolling device |
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