CN104338760B - The sharpening unit of formula tandem mill compressed into by seamless pipe machinery - Google Patents
The sharpening unit of formula tandem mill compressed into by seamless pipe machinery Download PDFInfo
- Publication number
- CN104338760B CN104338760B CN201410610910.1A CN201410610910A CN104338760B CN 104338760 B CN104338760 B CN 104338760B CN 201410610910 A CN201410610910 A CN 201410610910A CN 104338760 B CN104338760 B CN 104338760B
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- screw mandrel
- rotating circular
- circular disk
- compressing
- sharpening
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 abstract description 18
- 239000010959 steel Substances 0.000 abstract description 18
- 238000005096 rolling process Methods 0.000 abstract description 16
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
Abstract
The invention belongs to rolling mill equipment technical field, especially the sharpening unit that formula tandem mill compressed into by a kind of seamless pipe machinery is related to, comprise one group and compress into screw mandrel screw screw pair, one group drives motor reducer and the worm reduction gear of compressing into screw mandrel, be arranged on each displacement transducer compressing into screw mandrel end, it is characterized in that the outside memorial archway place compressing into screw mandrel compressing into formula tandem mill at each machinery is connected with rotating circular disk, each rotating circular disk is equipped with earrings, a cylinder lever connecting rod is connected with between earrings, sharpening hydraulic cylinder is provided with in the earrings side of the rotating circular disk being positioned at end, the output of this sharpening hydraulic cylinder is connected with the earrings of the rotating circular disk being positioned at end, the motor reducer that screw mandrel is compressed in each driving is fixedly connected with the rotating circular disk corresponded with worm reduction gear.The present invention can solve the large problem of rolled steel tube head and tail wall thickness deviation, thus improves the tandem rolling quality of seamless pipe, improves product rate of becoming a useful person and also significantly reduces costs.
Description
Technical field
The invention belongs to rolling mill equipment technical field, especially relate to the sharpening unit that formula tandem mill compressed into by a kind of seamless pipe machinery.
Background technology
The sharpening function of seamless steel pipe rolling mill is the technology when rolling seamless pipe, steel pipe head and tail wall thickness being implemented to control.Sharpening function, to raising steel pipe rolling quality, improves lumber recovery, has reduced costs extremely important effect.Seamless steel pipe rolling mill is divided into by the mode of compressing in the world at present: mechanical lead screw compresses into formula and hydraulic servo compresses into formula two kinds.The tandem mill only having now hydraulic servo to compress into formula achieves sharpening function, but the control technology that hydraulic servo compresses into formula tandem mill sharpening function is complicated, and investment is large, and cost of equipment maintenance is high.Machinery compress into formula tandem mill compress into mechanism comprise compress into screw mandrel screw screw pair, drive compress into screw mandrel motor reducer and worm reduction gear, be arranged on the displacement transducer etc. compressing into screw mandrel end.That compresses into formula tandem mill due to machinery compresses into mechanism structure complexity, realizes sharpening function difficulty large, so formula tandem mill compressed into by the machinery produced at present do not have sharpening function.If formula tandem mill compressed into by machinery can realize sharpening function, under the prerequisite obtaining same Product Precision, quality and lumber recovery, cost will be saved in a large number.
Summary of the invention
The object of this invention is to provide one and can improve seamless pipe tandem rolling quality, improve product and to become a useful person rate, the sharpening unit of formula tandem mill compressed into by the seamless pipe reduced costs machinery.
The object of the invention is to be realized by following technical proposals:
The sharpening unit of formula tandem mill compressed into by seamless pipe machinery of the present invention, comprise one group and compress into screw mandrel screw screw pair, compress into corresponding one group of screw mandrel screw screw pair and drive with described one group the motor reducer and worm reduction gear of compressing into screw mandrel, be arranged on each displacement transducer compressing into screw mandrel end, it is characterized in that the outside memorial archway place compressing into screw mandrel compressing into formula tandem mill at each machinery is connected with rotating circular disk, each rotating circular disk is equipped with earrings, a cylinder lever connecting rod is connected with between described earrings, sharpening hydraulic cylinder is provided with in the earrings side of the rotating circular disk being positioned at end, the output of this sharpening hydraulic cylinder is connected with the described earrings being positioned at the rotating circular disk of end, the motor reducer that screw mandrel is compressed in each driving is fixedly connected with the rotating circular disk corresponded with worm reduction gear.
Advantage of the present invention:
The sharpening unit that formula tandem mill compressed into by seamless pipe machinery of the present invention can solve the large problem of rolled steel tube head and tail wall thickness deviation, thus improves the tandem rolling quality of seamless pipe, improves product rate of becoming a useful person and also significantly reduces costs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A view of Fig. 1 of the present invention.
Detailed description of the invention
The specific embodiment of the present invention is further illustrated below in conjunction with accompanying drawing.
As Fig. 1, shown in 2, the sharpening unit of formula tandem mill compressed into by seamless pipe machinery, comprise one group and compress into screw mandrel screw screw pair, compress into corresponding one group of screw mandrel screw screw pair and drive with described one group the motor reducer 8 and worm reduction gear 9 of compressing into screw mandrel 6, be arranged on each displacement transducer 7 compressing into screw mandrel 6 end, it is characterized in that outside memorial archway 5 place compressing into screw mandrel 6 compressing into formula tandem mill at each machinery is connected with rotating circular disk 1, each rotating circular disk 1 is equipped with earrings 2, a cylinder lever connecting rod 3 is connected with between described earrings 2, sharpening hydraulic cylinder 4 is provided with in earrings 2 side of the rotating circular disk 1 being positioned at end, the output of this sharpening hydraulic cylinder 4 is connected with the described earrings 2 being positioned at the rotating circular disk 1 of end, the motor reducer 8 that screw mandrel 6 is compressed in each driving is fixedly connected with the rotating circular disk 1 corresponded with worm reduction gear 9.
Seamless pipe of the present invention machinery compresses into the sharpening unit of formula tandem mill according to the sharpening numerical value of setting, promotes rotating circular disk 1 drive and compress into screw mandrel 6 and rotate to an angle by direction initialization by sharpening hydraulic cylinder 4, thus makes to compress into screw mandrel 6 and compress into.Detect by compressing into displacement transducer 7 on screw mandrel 6 displacement compressed into screw mandrel 6 reality and occur, when compressing into after displacement that screw mandrel 6 reality occurs reaches the sharpening numerical value precomputed, sharpening hydraulic cylinder 4 stops driving and by rotating circular disk 1 locking position.
Concrete sharpening operating process is as follows:
1, seamless steel pipe before rolling, compressing into screw mandrel 6 is being under the prerequisite of normal steel rolling position, sharpening hydraulic cylinder 4 promotes all rotating circular disks 1 by the earrings 2 and cylinder lever connecting rod 3 being positioned at end rotating circular disk 1 and drives all screw mandrels 6 of compressing into rotate to an angle, make to compress into screw mandrel 6 to compress into by the displacement precomputed, make displacement reach sharpening numerical requirements.Make to compress into screw mandrel 6 and be in sharpening state (that is: stretching out the sharpening numerical value of setting).The actual displacement amount compressing into screw mandrel 6 detects by being contained in the displacement transducer 7 compressing into screw mandrel 6 end;
2, roll seamless steel tube is carried out, (this distance is by the numerical value of former setting to during distance end certain distance for roll seamless steel tube, obtain after milling train rotating speed calculates), sharpening hydraulic cylinder 4 drives all rotating circular disks 1 to turn an angle to former contrary direction by the earrings 2 of rotating circular disk 1 and cylinder lever connecting rod 3, makes to compress into after screw mandrel 6 lifts to be in former normal steel rolling position;
3, at roll seamless steel tube, to during distance steel pipe tail end certain distance, (this distance is by the numerical value of former setting, obtain after milling train rotating speed calculates), sharpening hydraulic cylinder 4 promotes all rotating circular disks 1 by earrings 2 and cylinder lever connecting rod 3 and drives and compress into screw mandrel 6 and rotate to an angle, and makes to compress into screw mandrel 6 and again compresses into by the displacement precomputed.Make to compress into screw mandrel 6 and be again in sharpening state (that is: stretching out the sharpening numerical value of setting).Until steel pipe rolling process all terminates;
4, next root roll seamless steel tube is carried out, circulation aforesaid operations process.
The selection of sharpening hydraulic cylinder 4 of the present invention is that the installation form of sharpening hydraulic cylinder 4 is determined in design according to roll-force and cylinder diameter and the stroke of compressing into screw mandrel 6 amount of feeding designing and calculating sharpening hydraulic cylinder 4 required when fining away.
The sharpening unit that formula tandem mill compressed into by seamless pipe machinery of the present invention can eliminate steel pipe head and tail wall thickness deviation completely at steel pipe continuous rolling process, thus ensure the rolling production of seamless steel pipe, thus improve the tandem rolling quality of seamless pipe, improve product rate of becoming a useful person and also significantly reduce costs.
Claims (1)
1. the mechanical sharpening unit compressing into formula tandem mill of seamless pipe, comprise one group and compress into screw mandrel screw screw pair, compress into corresponding one group of screw mandrel screw screw pair and drive with described one group the motor reducer and worm reduction gear of compressing into screw mandrel, be arranged on each displacement transducer compressing into screw mandrel end, it is characterized in that the outside memorial archway place compressing into screw mandrel compressing into formula tandem mill at each machinery is connected with rotating circular disk, each rotating circular disk is equipped with earrings, a cylinder lever connecting rod is connected with between described earrings, sharpening hydraulic cylinder is provided with in the side of one group of rotating circular disk, the output of this sharpening hydraulic cylinder is connected with the earrings of the rotating circular disk of outermost end in described one group of rotating circular disk, the motor reducer that screw mandrel is compressed in each driving is fixedly connected with the rotating circular disk corresponded with worm reduction gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410610910.1A CN104338760B (en) | 2014-11-04 | 2014-11-04 | The sharpening unit of formula tandem mill compressed into by seamless pipe machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410610910.1A CN104338760B (en) | 2014-11-04 | 2014-11-04 | The sharpening unit of formula tandem mill compressed into by seamless pipe machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104338760A CN104338760A (en) | 2015-02-11 |
| CN104338760B true CN104338760B (en) | 2016-02-03 |
Family
ID=52495699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410610910.1A Active CN104338760B (en) | 2014-11-04 | 2014-11-04 | The sharpening unit of formula tandem mill compressed into by seamless pipe machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104338760B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238464A (en) * | 2016-08-03 | 2016-12-21 | 太原磬泓机电设备有限公司 | Oblique milling seamless steel pipe pipe end rolling method for sharpening |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56136206A (en) * | 1980-03-26 | 1981-10-24 | Kawasaki Steel Corp | Manufacture of seamless steel tube |
| CN1100010A (en) * | 1994-07-04 | 1995-03-15 | 宝山钢铁(集团)公司 | Trommel rolling method for tail end of continuously rolled pipe |
| JP4254341B2 (en) * | 2003-05-16 | 2009-04-15 | 住友金属工業株式会社 | Metal tube manufacturing apparatus and metal tube thickness control method |
| CN101823075B (en) * | 2010-05-25 | 2013-04-24 | 攀钢集团有限公司 | Rolling method for sharpening head and tail wall thickness of seamless steel tube |
| CN102211110A (en) * | 2010-12-24 | 2011-10-12 | 天津君晟成套设备有限公司 | Servo screwdown continuous rolling frame with mill roll gap control mechanism |
| CN204194438U (en) * | 2014-11-04 | 2015-03-11 | 辽宁天丰特殊工具制造有限公司 | The sharp device that disappears of formula tandem mill compressed into by seamless pipe machinery |
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2014
- 2014-11-04 CN CN201410610910.1A patent/CN104338760B/en active Active
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| CN104338760A (en) | 2015-02-11 |
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| C06 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 114011 Liaoning city in Anshan Province Economic Development Zone City Hambourg gas station west red plant hospital Applicant after: LIAONING TIANFENG SPECIAL TOOL MANUFACTURING CO.,LTD. Address before: 114011 Liaoning city in Anshan Province Economic Development Zone City Hambourg gas station west red plant hospital Applicant before: LIAONING TIANFENG SPECIAL TOOLS MANUFACTURING Co.,Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Sharpening device for mechanical press-in type continuous mill of seamless tube Effective date of registration: 20180516 Granted publication date: 20160203 Pledgee: Bank of Anshan Limited by Share Ltd. Pledgor: LIAONING TIANFENG SPECIAL TOOL MANUFACTURING CO.,LTD. Registration number: 2018210000015 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190530 Granted publication date: 20160203 Pledgee: Bank of Anshan Limited by Share Ltd. Pledgor: LIAONING TIANFENG SPECIAL TOOL MANUFACTURING CO.,LTD. Registration number: 2018210000015 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Sharpening device for mechanical press-in type continuous mill of seamless tube Effective date of registration: 20190610 Granted publication date: 20160203 Pledgee: Bank of Anshan Limited by Share Ltd. Pledgor: LIAONING TIANFENG SPECIAL TOOL MANUFACTURING CO.,LTD. Registration number: 2019210000020 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221101 Granted publication date: 20160203 Pledgee: Bank of Anshan Limited by Share Ltd. Pledgor: LIAONING TIANFENG SPECIAL TOOL MANUFACTURING CO.,LTD. Registration number: 2019210000020 |