CN101733280B - Cold-rolling pipe mill - Google Patents
Cold-rolling pipe mill Download PDFInfo
- Publication number
- CN101733280B CN101733280B CN2009102658842A CN200910265884A CN101733280B CN 101733280 B CN101733280 B CN 101733280B CN 2009102658842 A CN2009102658842 A CN 2009102658842A CN 200910265884 A CN200910265884 A CN 200910265884A CN 101733280 B CN101733280 B CN 101733280B
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- power base
- brace summer
- groove
- roller
- cold
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention relates to a cold-rolling pipe mill. A frame of the cold-milling pipe mill is provided with a guiding device. A working rack on the guiding device is provided with a power base, a supporting rail, a rack and a roller box. A connecting rod of a double-arm pull rod of the driving device is respectively connected with the power base and the roller box through a connecting shaft. The connecting shaft of the connecting rod for connecting the double-arm pull rod and the roller box is fixedly provided with a self-adjusting sliding sleeve. A supporting beam is fixed on the power base and is provided with an upper pulley, a lower pulley and gears which engage with one another. The supporting beam is provided with a projection base which is provided with a sliding sleeve guiding groove. The frame is provided with the rack which is engaged with the gear on the lower pulley. Each supporting beam is provided with a vertical groove which can hoop the power base. The power base is provided with two horizontal grooves which can hoop corresponding flanges provided on each supporting beam. The cold-rolling pipe mill has the advantages of preventing the turning-over of the power base and the roller box, reducing the abrasion of the guiding device, increasing the strength of working rack, prolonging the service life of the cold-rolling pipe mill, and improving the quality of the hardly deformed material milled pipe.
Description
Technical field
The present invention relates to the tube rolling production field, exactly, relate to the cold pilger mill of carbon steel, steel alloy and stainless steel tube.
Background technology
Known cold pilger mill is seen the patent No2286221 of the Russian Federation, and B21B 31/08, the applying date: on April 5th, 2005, open day: on October 27th, 2006.
The framework that known cold pilger mill comprised has guider; The work housing of installing on the guider has the portable roller case of portable power base, supporting track, side plate, tooth bar and band working roll, and the lever drive unit of roller case and power base has connecting rod and is contained in the both arms pull bar in the hinged support.Working roll in the roller case is by bearings.A foot piece is set on the roller case, and foot piece carries out hinged through the drive unit that a ball bearing and roller case move horizontally.
The structural disadvantages of known cold pilger mill is, the length of service is short, and reason is: when wearing and tearing appearred in the base plate that is provided with in the roller tank shell, frame will be sunk, and causes the foot piece curved incline, and makes the axis of working roll be not orthogonal to rolling axis, causes equipment attrition serious.
In addition, also can cause tube rolling crooked, thereby reduce the tube rolling quality.
In known cold pilger mill, technical immediate be the patent № of the Russian Federation 2286219, B21B 21/00, described cold pilger mill, this patent day in April, 2005 application, on October 27th, 2006 is open.
The framework that this cold-rolling mill comprised has guider; The work housing of installing on the guider has the portable roller case of portable power base, supporting track, tooth bar and band working roll; The both arms pull bar of drive unit, its connecting rod is connected with portable power base and portable roller case through connecting axle.The roller case moves with the spigot surface side along upper and lower.The area of last spigot surface is littler than the area of following spigot surface.Portable power base is made the frame shape of two closures, bears roll-force, and it also has three brace summers longitudinally, is connected to below the contacted supporting track of portable roller case working roll.
The structural disadvantages of this known cold pilger mill is; Functional reliability is poor, and the length of service is short, and reason is: when roller case advance and retreat move; The connecting rod that is hinged with roller case and drive unit both arms pull bar can be with certain angular movement to rolling axis; The roller case moves along the spigot surface of upper and lower and side, and these spigot surfaces have different friction surfaces long-pending, and the roller case produces turning torque to the gravity effect meeting from rolling axial line distance following spigot surface farthest.Spigot surface can wear and tear very soon, the gap occurs, working roll axis runout vertical plane, this point can show negatively cold pilger mill length of service and tube rolling qualitatively.
The power base is divided into two parts, and is connected with brace summer through spigot surface, and this can make brace summer bend, and has reduced the length of service and the tube rolling quality of cold pilger mill thus.
Summary of the invention
Task of the present invention will provide a kind of cold pilger mill exactly, makes it can avoid base and the overturning of roller case, reduces the wearing and tearing of spigot surface, improves work housing intensity, thereby improves the length of service of cold pilger mill, improves the quality of difficult-to-deformation material tube rolling.
Task of the present invention is accomplished through following method, and the framework that known cold pilger mill comprised has guider, and the work housing of installing on the guider has the portable roller case of portable power base, supporting track, tooth bar and band working roll; The both arms pull bar of drive unit, its connecting rod is connected with portable power base and portable roller case through connecting axle, according to the present invention; Mix the self-regulated sliding sleeve for above-mentioned this cold pilger mill, be installed on the connecting rod shaft that connects both arms pull bar and roller case, be fixed on the portable power base with the both sides of brace summer along rolling axis; Brace summer is provided with upper and lower roller, and the gear on the upper and lower roller is meshing with each other, and the gathering sill on the protruding seat of brace summer extends to said sliding sleeve and matches; Have side plate on the brace summer, and on the framework below the brace summer, tooth bar is installed, this tooth bar is meshed with gear on the bottom roller; Distance between two bottom rollers on each brace summer widens as far as possible; Distance between two upper rollers is dwindled as far as possible, and in addition, each brace summer is provided with a groove that vertically extends; It can be waled the power base; The power base is provided with two grooves in the along continuous straight runs extension, one of them groove and rolling parallel axes, and another groove and rolling axis normal in installation brace summer position; These two grooves are waled the corresponding flange that is provided with on each brace summer, and brace summer is by being bolted on the power base.
The cold pilger mill of this structure can prolong its length of service, improves the tube rolling quality.
The method that realizes is, the self-adjustable sliding sleeve is installed on the connecting rod shaft of roller case, and let it reach maximum to the distance of working roll, can overturning to guarantee base and roller case, and avoid tube rolling bending to occur.
On the power base, arrange brace summer, roller and protruding seat; Can on the connecting rod shaft of power chassis outer side, all install a self-adjustable sliding sleeve like this; This has also just strengthened the longitudinal axis distance between the support component (sliding sleeve axle and roll mandrel), eliminates roller case overturning factor, and it is crooked to avoid roll to occur; Thereby prolong the length of service of cold pilger mill, improve the quality of tube rolling.
On power base and brace summer, corresponding grooves is set, and fixes with bolt again, can guarantee firm being fixed on the power base of brace summer like this.
The place sets up roller to brace summer at maximum impetus, can become sliding friction like this and be rolling friction, reduces friction loss, also alleviates the working strength of drive unit, that is to say and can cut down the consumption of energy, and prolongs the length of service.
In the power base, use a power mounting, and be arranged in the sphere of action of maximum rolling force, can improve the intensity of frame like this, correspondingly also just can improve the tube rolling quality.
Description of drawings
For invention is made an explanation, enumerate the instantiation that an invention is used below, and have drawing:
Fig. 1 is the cold pilger mill sketch map;
Fig. 2 is the cold pilger mill vertical view;
Fig. 3 is an A-A profile among Fig. 2;
Fig. 4 is Б among Fig. 3-Б profile;
Fig. 5 is a B-B profile among Fig. 1;
Fig. 6 is a Γ place enlarged drawing among Fig. 3;
Fig. 7 be among Fig. 6 Д to view;
Fig. 8 be among Fig. 6 E to view;
Fig. 9 be among Fig. 7 Ж to view;
Figure 10 is И among Fig. 6-И profile;
Figure 11 is the portable power base housing of a work housing sketch map;
Figure 12 be among Figure 11 H to view.
The specific embodiment
The framework 1 that known cold pilger mill comprised has guider 2; The work housing of installing on the guider 23 has the portable roller case 7 of portable power base 4, supporting track 5, tooth bar 6 and band working roll 8,9,10; Wherein two working rolls 8,9 are fixed on the pull bar 11; And working roll 10 rigidly fixes with roller case 7, and the mobile drive deivce of power base 4 and roller case 7 has both arms pull bar 12.Both arms pull bar 12 links to each other with power base 4 through the connecting rod 13 that has connecting axle 14, links to each other with roller case 7 through the connecting rod 15 that has connecting axle 16.On the connecting axle 16 of the connecting rod 15 that connects both arms pull bar 12 and roller case 7, self-adjustable sliding sleeve 17 is installed.On portable power base 4, along rolling axis both sides, be fixed with brace summer 18, brace summer 18 is provided with upper and lower roller 19,20 and pitch wheel 21,22.Brace summer 18 is provided with protruding seat 23, and protruding seat 23 is provided with the gathering sill 24 that leads to sliding sleeve 17 that forges the steel plate facing.On the framework of brace summer 18 belows tooth bar 25 is installed, the gear 22 on this tooth bar 25 and the bottom roller 20 interacts.Distance between two bottom rollers 20 on each brace summer 18 widens as far as possible, and the distance between two upper rollers 19 is dwindled as far as possible.
All be provided with a groove 26 that vertically extends on each brace summer 18, it can be waled power base 4.The position that brace summer 18 is installed on the power base 4 is provided with the groove 27,28 that two along continuous straight runs extend, its further groove 27 and rolling parallel axes, groove 28 and rolling axis normal.Groove 27,28 will be waled the corresponding flange 29,30 that is provided with on each brace summer 18.Brace summer 18 is fixed on the power base 4 by bolt 31.On brace summer 18, be fixed with side plate 32.Be fixed with side plate 33 on roller case 7 housings.
Cold pilger mill carries out work according to following manner.
In the operation of rolling, power base 4 and roller case 7 are advanced and retreat mobile simultaneously, and just speed is different with displacement.Power base 4 moves at upper and lower roller 19,20 and the side plate 32 installed on through brace summer 18 on the guider 2 of framework 1.Roller case 7 moves through bottom working roll 10, two self-regulated sliding sleeves 17 and the side plate 33 and the gathering sill 24 of sliding sleeve 17 that are fixed on roller case 7 housings in power base 4. Working roll 8,9,10 is installed in the roller case, through advancing, retreat reciprocating motion, realizes the distortion of steel pipe 34.
The power that acts on roller case 7 is accepted by self-adjustable sliding sleeve 17 and bottom working roll 10, and passes to brace summer 18, is delivered to power base 4 then.
Be delivered to the guider 2 of framework 1 through the side plate 32 of roller 19,20 and brace summer 18 from connecting rod 13 and the power that acts on power base 4.
Come the ultromotivity base 4 and the gravity of connecting rod 13 and the inertia force of portable power base 4 and the roller 19,20 of the supported beam 18 of roll-force and 32 of side plates that are fixed on above them to bear.
Acting on the power of side plate 32 and 33, is because deflection, decentraction and the pipe that allows in the production process to occur is crooked, wall unevenness causes.
Because the maximum possible between the self-adjustable sliding sleeve 17 that is distributed on support works roller 10 below in the roller case 7 and the plane, rolling axis place is apart from having determined wheelbase; So; In rolling process; Portable power base 4 can strictness be parallel to rolling axis with roller case 7 when mobile, can avoid power base 4 and 7 overturnings of roller case like this.
The automatic adjusting of sliding sleeve 17 is to be protected through it and being articulated and connected of roller case, and compensation connects the allowable error that movable part is made precision and worn and torn and produced thus.
Cold pilger mill of the present invention and known comparing, wearing and tearing, raising work housing intensity through avoiding movable base and the overturning of roller case, reduction guider can prolong its length of service, improve the quality of difficult-to-deformation material tube rolling.
Claims (1)
1. a cold pilger mill comprises framework, has guider on the framework; The work housing of installing on the guider has the portable roller case of portable power base, supporting track, tooth bar and band working roll, and connecting rod is connected with portable power base and portable roller case respectively through connecting axle on the both arms pull bar of drive unit, it is characterized in that; Said cold pilger mill has been equipped with the self-adjustable sliding sleeve, and this self-adjustable sliding sleeve is installed on the connecting axle of the connecting rod that connects both arms pull bar and roller case, and brace summer is fixed on the portable power base along the both sides of rolling axis; Brace summer is provided with upper and lower roller, and the gear on the upper and lower roller is meshing with each other, and the gathering sill of brace summer epirelief seat extends to said self-adjustable sliding sleeve and matches; Brace summer is provided with side plate; And on the framework below the brace summer, tooth bar is installed, the tooth bar of installing on the framework of brace summer below is meshed with the gear on the bottom roller, the distance on each brace summer between two bottom rollers widens as far as possible, between two upper rollers apart from dwindle as far as possible; In addition; Each brace summer is provided with a groove that vertically extends, and this groove can be waled the power base, and the power base is being installed the groove that the brace summer position is provided with two along continuous straight runs extensions; One of them groove and rolling parallel axes; And another groove and rolling axis normal, this two groove is waled corresponding flange set on each brace summer, and brace summer is by being bolted on the power base.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2009117810 | 2009-05-14 | ||
| RU2009117810/02A RU2385779C1 (en) | 2009-05-14 | 2009-05-14 | Pipe cold rolling mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101733280A CN101733280A (en) | 2010-06-16 |
| CN101733280B true CN101733280B (en) | 2012-06-06 |
Family
ID=42457602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102658842A Expired - Fee Related CN101733280B (en) | 2009-05-14 | 2009-12-29 | Cold-rolling pipe mill |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101733280B (en) |
| RU (1) | RU2385779C1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2488454C1 (en) * | 2012-05-05 | 2013-07-27 | Открытое акционерное общество "Электростальский завод тяжелого машиностроения" | Pipe cold-rolling mill stand |
| RU2601724C1 (en) * | 2015-06-01 | 2016-11-10 | Открытое акционерное общество "Электростальский завод тяжелого машиностроения" | Cold pipe rolling mill stand |
| CN109317519A (en) * | 2018-10-22 | 2019-02-12 | 中国重型机械研究院股份公司 | A kind of stand arrangement and application method of two rollers hot pipe mill |
| RU2720330C1 (en) * | 2019-03-22 | 2020-04-28 | Открытое акционерное общество "Электростальский завод тяжелого машиностроения" | Working stand of cold rolling mill of pipes |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0079295A1 (en) * | 1981-11-11 | 1983-05-18 | MANNESMANN Aktiengesellschaft | Method of and device for manufacturing tubes in a cold rolling mill |
| CN1057600A (en) * | 1990-06-23 | 1992-01-08 | 生产联合企业“电炉钢部” | The working stand of cold reduction of tubes machine |
| US5216911A (en) * | 1992-01-21 | 1993-06-08 | Westinghouse Electric Corp. | Automatic cold-pilger mill stop apparatus |
| CN1104940A (en) * | 1993-10-20 | 1995-07-12 | 曼内斯曼股份公司 | Crankshaft gear in cold tube roller |
| RU2155109C2 (en) * | 1998-05-19 | 2000-08-27 | Открытое акционерное общество "Электростальский завод тяжелого машиностроения" | Controlled thrust mechanism of screw rolling mill |
| CN1775392A (en) * | 2005-12-22 | 2006-05-24 | 中冶集团北京冶金设备研究设计总院 | Single-driven input shaft draft-adjustable three-roll mill |
| RU2286219C1 (en) * | 2005-04-05 | 2006-10-27 | ОАО "Институт Цветметобработка" | Working stand for tube cold rolling mill |
-
2009
- 2009-05-14 RU RU2009117810/02A patent/RU2385779C1/en not_active IP Right Cessation
- 2009-12-29 CN CN2009102658842A patent/CN101733280B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0079295A1 (en) * | 1981-11-11 | 1983-05-18 | MANNESMANN Aktiengesellschaft | Method of and device for manufacturing tubes in a cold rolling mill |
| CN1057600A (en) * | 1990-06-23 | 1992-01-08 | 生产联合企业“电炉钢部” | The working stand of cold reduction of tubes machine |
| US5216911A (en) * | 1992-01-21 | 1993-06-08 | Westinghouse Electric Corp. | Automatic cold-pilger mill stop apparatus |
| CN1104940A (en) * | 1993-10-20 | 1995-07-12 | 曼内斯曼股份公司 | Crankshaft gear in cold tube roller |
| RU2155109C2 (en) * | 1998-05-19 | 2000-08-27 | Открытое акционерное общество "Электростальский завод тяжелого машиностроения" | Controlled thrust mechanism of screw rolling mill |
| RU2286219C1 (en) * | 2005-04-05 | 2006-10-27 | ОАО "Институт Цветметобработка" | Working stand for tube cold rolling mill |
| CN1775392A (en) * | 2005-12-22 | 2006-05-24 | 中冶集团北京冶金设备研究设计总院 | Single-driven input shaft draft-adjustable three-roll mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101733280A (en) | 2010-06-16 |
| RU2385779C1 (en) | 2010-04-10 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120606 Termination date: 20161229 |