CN101716592A - Active-mode cold rolled ribbed reinforcing bar mill with three-surface ribs - Google Patents
Active-mode cold rolled ribbed reinforcing bar mill with three-surface ribs Download PDFInfo
- Publication number
- CN101716592A CN101716592A CN200910191561A CN200910191561A CN101716592A CN 101716592 A CN101716592 A CN 101716592A CN 200910191561 A CN200910191561 A CN 200910191561A CN 200910191561 A CN200910191561 A CN 200910191561A CN 101716592 A CN101716592 A CN 101716592A
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- spline
- shaft
- gear
- hollow shaft
- spline shaft
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 18
- 230000008878 coupling Effects 0.000 claims abstract description 17
- 238000010168 coupling process Methods 0.000 claims abstract description 17
- 238000005859 coupling reaction Methods 0.000 claims abstract description 17
- 239000000314 lubricant Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 20
- 238000003801 milling Methods 0.000 claims description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 22
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- General Details Of Gearings (AREA)
- Gear Transmission (AREA)
Abstract
The invention provides an active-mode cold rolled ribbed reinforcing bar mill with three-surface ribs, comprising a mill base, a mill body fixed on the mill base and a roller, a spline transmission shaft, a universal coupling, a speed reducer, a motor, and the like which are installed on the mill body. Sealed gear boxes are commonly and respectively installed at the left and right parts of the active spline transmission shaft and on the adjacent passive spline transmission shafts, each sealed gear box consists of a box body and a pair of bevel gears with an internal spline hollow shaft installed in the box body; gear lubricant oil is filled in the box body, therefore, the synchronous rotation is formed by using the spline transmission shaft of the roller shaft as the main transmission and driving the other two rollers through the transmission of the bevel gear. Because the sealed gear box is adopted in the mill, the gear box can be conveniently mounted and dismounted and lubricated, and the service life of the gear is prolonged.
Description
Technical field
The present invention relates to the steel bar cold rolling equipment and technology, be specifically related to a kind of cold rolled ribbed reinforcing bar mill with three-surface ribs.
Background technology
Three rib cold rolled reinforcing steel bar with ribs are to adopt hot rolling common straightcarbon steel or low-alloy steel wire rod to do raw material, behind milling train cold working tube reducing, shut out three reinforcing bars of wearing the crescent cross rib on its surface.The milling train of present three rib cold rolled reinforcing steel bar with ribs has two types:
A kind of is the passive type milling train, and its roll is passive, and roll is to rotate by the drive of reinforcing bar, realizes the rolling deformation to reinforcing bar.Such milling train is because simple in structure, and easy operating is widely used at present.But the reinforcing bar by the passive type mill milling is to pull out tension by roller to realize distortion, influence the process plastic of material, and cross rib is difficult for being full of; Its roll is generally cantilevered, and rigidity is low, and roll diameter of roller is limited, is difficult to produce the cold rolled reinforcing steel bar with ribs of large-size high-tensile degree.
Another kind is active milling train, and it is to drive two groups of bevel gear groups by motor by power transmission shaft, drive three respectively simultaneously and be mutually 120 roll, thereby three roll rotation drives the reinforcing bar motion that is clipped between them, and go out cross rib at its surface rolling.Active milling train is to utilize three-dimensional compressive stress to realize the distortion of reinforcing bar, product precision height, and the cross rib degree of filling is good; It drives three rolls simultaneously by a main motor, and electricity is empty simple, easy operating and maintenance.
Though active milling train is technical more advanced with respect to traditional passive type milling train, owing to also have some problems, cause it to be widely used aborning, main cause is:
Each gear on the active milling train of prior art is on the axle that is divided in separately, by the relative position of each gear of accurate adjustment on axle, make every group of bevel gear reach accurate cooperation, thereby three rolls of Synchronous Transmission, its roll mandrel is that power transmission shaft is except that bearing moment of torsion, also bear a certain amount of moment of flexure, thereby power transmission shaft is made the requirement height.
And milling train is at the reinforcing bar of the different sizes that are rolled, perhaps after roll is directly changed by the excessive wear roller, need often to regulate the position of gear on power transmission shaft in the transmission system, so just need dismantle, adjust, assemble four gears simultaneously, and all need to adjust the quality of fit between gear at every turn, waste time and energy like this, to workman's specification requirement height.
In addition, because the position of gear needs often to adjust, so gear transmission mechanism is non-tight, and this makes that the lubricant effect of gear is bad, and exposed slag, the dust pollution that also is subject to working environment of gear, influences gear life.
Summary of the invention
The objective of the invention is to deficiency, propose a kind of active-mode cold rolled ribbed reinforcing bar mill with three-surface ribs that improves structure, adopt the sealing gear-box, make things convenient for dismounting, the installation and lubricated of gear-box, prolong gear life at the prior art existence.
Technical scheme of the present invention is as follows:
A kind of active-mode cold rolled ribbed reinforcing bar mill with three-surface ribs, it comprises the milling train pedestal, is fixed on the fuselage on the support, and is installed in roll, spline shaft, Hooks coupling universal coupling, reductor and motor etc. on the fuselage.
Three of this milling train are mutually roll that 120 ° of angles arrange and are fixedly mounted on separately the spline shaft, serve as spline shaft initiatively with horizontally disposed spline shaft wherein, and two then is passive spline shaft in addition.Initiatively spline shaft is connected with motor with reductor by Hooks coupling universal coupling, transferring power, and one of them roll is installed in the initiatively centre of spline shaft, and two then are installed on the passive spline shaft in addition.
Improvement of the present invention is: on the left-half of active spline shaft and the passive spline shaft adjacent with this part a sealing gear-box is installed jointly, equally on the right half part of active spline shaft and another passive spline shaft adjacent, another sealing gear-box is installed jointly with this part, the both sides of two sealing gear-boxes are by the locking nut axial locking, with the axial relative fixed of spline shaft.
Described sealing gear-box is made up of casing and the bevel gear that is assemblied in a pair of band internal spline hollow shaft in the casing, the bevel gear of described band internal spline hollow shaft has the bevel gear of cylindrical and the hollow shaft at center to constitute an integral body, spline is arranged in the hollow shaft, and this spline and spline shaft match.The bevel gear of the band internal spline hollow shaft that described two structures are identical is mutually the hexagonal angle degree by central axis and meshes into a pair of, their hollow shaft two ends are by bearing and casing assembling, bevel gear and its corresponding casing of every group of band internal spline hollow shaft are assembled into an integral body, a certain amount of gear lubricant is housed in the casing.In the bevel gear of described band internal spline hollow shaft one matches by its internal spline hollow shaft and spline shaft initiatively, becomes driving tooth, and another then is installed on the adjacent passive spline shaft by its internal spline hollow shaft, becomes driven tooth.So just the spline shaft with roll mandrel is main transmission, drives other two rolls by the bevel type gear transmission and rotates synchronously.
The present invention is assembled in bevel gear the sealing gear housing like this and forms an integral body, can in seal case, add a certain amount of gear lubricant, make gear have good seal lubrication, simultaneously can carry out integral disassembly, assembly again, and when rolling different size reinforcing bar need be regulated the center of roll, unclamp locking nut earlier, only need the sealing gear housing is done suitable moving, locking nut just can easily be realized the position adjustment again again.
The present invention
Advantage as follows:
1, owing to adopted the sealed gear case structure, two groups of bevel gear groups respectively by integral installation in gear housing, the installation and removal formula all is all-in-one-piece, not needing to be divided into several parts assembles or dismantles, can guarantee the accuracy of mesh between the gear like this, improve the steady shape of transmission accuracy and roll work, and installation, convenient disassembly.
2, because the bevel gear group is sealed in the casing, can effectively guarantees lubricant effect, and avoid the slag dirt in the working environment to enter, prolong the service life of gear.
3, roll mandrel is that power transmission shaft in theory no longer bears moment of flexure and only transmits moment of torsion, and the moment of flexure of all open type transmissions is all born by the gear seal case, has prolonged power transmission shaft service life greatly, and has improved the precision and the stationarity of transmission simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Among the figure, active spline shaft 1A, passive spline shaft 1B, the bevel gear 2 of band internal spline hollow shaft, bevel gear 21, hollow shaft 22, casing 3, locking nut 4, roll 5, reinforcing bar 6, fuselage 7, Hooks coupling universal coupling 8, reductor 9, motor 10, support 11, roll bearing 12, gear lubricant 13
The specific embodiment
Describe structure of the present invention and working method in detail below in conjunction with accompanying drawing:
Referring to Fig. 1, this milling train comprises milling train pedestal 11, is fixed on the fuselage 7 on the support 11, and is installed in three rolls 5 on the fuselage 7, three spline shafts, two sealing gear-boxes, Hooks coupling universal coupling 8, reductor 9 and motor 10 etc.
Three rolls 5 are mutually 120 ° of angles and arrange, are fixedly mounted on the spline shaft separately, and serve as spline shaft 1A initiatively with horizontally disposed axle wherein, this a end is connected with motor 10 with reductor 9 by Hooks coupling universal coupling 8, is used for transferring power.
On the left-half of active spline shaft 1A and the passive spline shaft 1B adjacent, a sealing gear-box is installed jointly with this part, equally on half part again of active spline shaft 1A and another passive spline shaft 1B adjacent, another sealing gear-box is installed jointly with this part, the both sides of two sealing gear-boxes are by locking nut 4 axial lockings, and it is sealed, locking nut 4 one end faces are to be adjacent to the internal spline hollow shaft, and screw thread matches with spline shaft, therefore it can not only carry out axial locking, can also rotate with axle, reach and the axial relative fixed of spline shaft.
Each sealing gear-box all is made up of casing 3 and the bevel gear 2 that is assemblied in a pair of band internal spline hollow shaft in the casing 3, and two structures are identical and be mutually the hexagonal angle degree to arrange and mesh bevel gear 2 formations of tight band internal spline hollow shaft a pair of.The bevel gear 2 of band internal spline hollow shaft constitutes an integral body by the bevel gear 21 of cylindrical and the hollow shaft 22 at center, in the hollow shaft 22 spline is arranged, and this spline and spline shaft match.Assemble by bearing and casing 3 at hollow shaft 22 two ends, and seal at the assembling position, and bevel gear 2 and its corresponding casing 3 of every pair of band internal spline hollow shaft have just formed an integral body like this, can carry out integral disassembly, assembly.In the bevel gear 2 of every pair of band internal spline hollow shaft one is contained in initiatively on the spline shaft 1A by hollow shaft 22, become driving tooth, another is contained on the adjacent passive spline shaft 1B, become driven tooth, be main transmission so just, drive other two rolls by the bevel gear transmission and rotate synchronously with active spline shaft 1A.Add a certain amount of gear lubricant 13 in the casing 3, make the bevel gear 2 of band internal spline hollow shaft obtain good seal lubrication.
When the reinforcing bar 6 of rolling different size needs to regulate the center of rolls 5, can unclamp locking nut 4 earlier, will seal again gear housing 3 do suitable mobile more again locking nut 4 just can easily realize.
When replacing roll 5 grades need first dismounting sealing gear housing, can light like this realization: during dismounting, dismantle Hooks coupling universal coupling 8 and locking nut 4 earlier, then adjusting initiatively, spline shaft 1A moves its outwards synchronous parallel opening, seal gear-box this moment and know from experience outwards slippage gradually on active spline shaft 1A, till the sealing gear housing is gone up slippage from following passive spline shaft 1B.Just can lift down whole sealing gear-box this moment from active spline shaft 1A.Can easily load onto the sealing gear-box by opposite step.
Claims (2)
1. active-mode cold rolled ribbed reinforcing bar mill with three-surface ribs, it comprises milling train pedestal (11), be fixed on the fuselage (7) on the support (11), and be installed in roll (5), spline shaft, Hooks coupling universal coupling (8), reductor (9) and motor (10) on the fuselage (7);
Described roll (5) divides three, being mutually 120 ° of angles arranges, they are fixedly mounted on separately the spline shaft, with horizontally disposed spline shaft wherein is spline shaft (1A) initiatively, two then is passive spline shaft (1B) in addition, and these three axles all pass through bearing (12) and are installed on the fuselage (7); Initiatively spline shaft (1A) is connected with motor (10) with reductor (9) by Hooks coupling universal coupling (8), transferring power, one of them roll (5) is installed in the initiatively centre of spline shaft (1A), and two rolls (5) then are installed on the passive spline shaft (1B) in addition;
It is characterized in that, on the left-half of active spline shaft (1A) and the passive spline shaft (1B) adjacent, a sealing gear-box is installed jointly with this part, the sealing gear-box of another same structure similarly is installed on the right half part of active spline shaft (1A) and another passive spline shaft (1B) adjacent with this part jointly, described sealing gear-box by the locking nut axial locking on spline shaft;
Described sealing gear-box is made up of casing (3) and the bevel gear (2) that is assemblied in a pair of band internal spline hollow shaft in the casing, the bevel gear (2) of described band internal spline hollow shaft constitutes an integral body by the bevel gear (21) of cylindrical and the hollow shaft (22) at center, hollow shaft has spline in (22), and this spline and spline shaft match; The bevel gear (2) of the band internal spline hollow shaft that described two structures are identical is mutually the hexagonal angle degree by central axis and meshes into a pair of, their hollow shaft (22) two ends are by bearing and casing (3) assembling, bevel gear (2) and its corresponding casing (3) of every band internal spline hollow shaft are assembled into an integral body, gear lubricant (13) is housed in the casing (3); In the bevel gear (2) of described band internal spline hollow shaft one matches by its internal spline hollow shaft and spline shaft (1A) initiatively, become driving tooth, another then is installed on the adjacent passive spline shaft (1B) by its internal spline hollow shaft, becomes driven tooth.
2. active-mode cold rolled ribbed reinforcing bar mill with three-surface ribs according to claim 1, it is characterized in that: the quantity of the spline on the spline of the hollow shaft of the bevel gear (2) of described band internal spline hollow shaft and the spline shaft that matches with it is at least two, and evenly distributes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101915613A CN101716592B (en) | 2009-11-24 | 2009-11-24 | Active-mode cold rolled ribbed reinforcing bar mill with three-surface ribs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101915613A CN101716592B (en) | 2009-11-24 | 2009-11-24 | Active-mode cold rolled ribbed reinforcing bar mill with three-surface ribs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101716592A true CN101716592A (en) | 2010-06-02 |
| CN101716592B CN101716592B (en) | 2011-04-06 |
Family
ID=42431283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101915613A Expired - Fee Related CN101716592B (en) | 2009-11-24 | 2009-11-24 | Active-mode cold rolled ribbed reinforcing bar mill with three-surface ribs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101716592B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104338745A (en) * | 2014-11-11 | 2015-02-11 | 无锡市瑞尔精密机械股份有限公司 | Y-shaped section steel rolling mill |
| WO2015176515A1 (en) * | 2014-05-19 | 2015-11-26 | 中冶赛迪工程技术股份有限公司 | Production technology for screw-thread steel bar with three ribbed sides |
| CN105127209A (en) * | 2015-09-28 | 2015-12-09 | 中国重型机械研究院股份公司 | Transmission distribution device for three-roll rolling mill |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206680Y (en) * | 1994-07-25 | 1995-09-06 | 戴百平 | Driving type three-high three-surface mill |
| CN2222016Y (en) * | 1995-07-13 | 1996-03-13 | 李群华 | Rolling machine for double T steel |
| CN2287059Y (en) * | 1996-06-26 | 1998-08-05 | 东北大学 | Cold rolling machine for three rib screw-thread steel |
| JP3613382B2 (en) * | 1999-03-29 | 2005-01-26 | 日下部電機株式会社 | Metal tube forming roll stand |
| CN2586546Y (en) * | 2002-11-07 | 2003-11-19 | 新乡无氧铜材总厂 | Three-roller planetary pipe mill |
| CN2599326Y (en) * | 2003-01-16 | 2004-01-14 | 钱志义 | Gear box connector |
-
2009
- 2009-11-24 CN CN2009101915613A patent/CN101716592B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015176515A1 (en) * | 2014-05-19 | 2015-11-26 | 中冶赛迪工程技术股份有限公司 | Production technology for screw-thread steel bar with three ribbed sides |
| CN104338745A (en) * | 2014-11-11 | 2015-02-11 | 无锡市瑞尔精密机械股份有限公司 | Y-shaped section steel rolling mill |
| CN104338745B (en) * | 2014-11-11 | 2016-01-13 | 无锡市瑞尔精密机械股份有限公司 | The milling train of Y shape shaped steel |
| CN105127209A (en) * | 2015-09-28 | 2015-12-09 | 中国重型机械研究院股份公司 | Transmission distribution device for three-roll rolling mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101716592B (en) | 2011-04-06 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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| ASS | Succession or assignment of patent right |
Owner name: CHONGQING HENLTON METALLURGY NEW TECHNOLOGY AND EQ Free format text: FORMER OWNER: XIONG GUANGYI Effective date: 20120228 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 400041 JIULONGPO, CHONGQING TO: 400053 JIULONGPO, CHONGQING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120228 Address after: Jiulongpo Huangjueping 400053 Chongqing (78408 troops) Patentee after: Chongqing Hengertong Metallurgy New Technology Co., Ltd. Address before: 400041 Chongqing Jiulongpo Yuzhou Road No. 79 Patentee before: Xiong Guangyi |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20161124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |