CN116727622B - Multiple type roller for drawing blank - Google Patents
Multiple type roller for drawing blank Download PDFInfo
- Publication number
- CN116727622B CN116727622B CN202311020228.2A CN202311020228A CN116727622B CN 116727622 B CN116727622 B CN 116727622B CN 202311020228 A CN202311020228 A CN 202311020228A CN 116727622 B CN116727622 B CN 116727622B
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- Prior art keywords
- roller
- bracket
- rollers
- bearing
- gear
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- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 239000000498 cooling water Substances 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000009749 continuous casting Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0628—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by more than two casting wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
Multiple type roller that draws blank belongs to metallurgical, circle base or hollow circle base vertical continuous casting technical field, and every group of multiple type roller that draws blank all includes: a fixed support, a bracket and a plurality of rollers. The hydraulic cylinder is connected with the fixed support and the bracket. The two sides of the bracket are provided with a bearing box and a transmission box, and the outer side of the bracket is provided with a motor. A plurality of rollers in the frame. The roller bearings and roller bearing housings are in the bearing housing and gear housing. The roller gear on the roller shaft is meshed with the intermediate reversing gear. The roller gear, the intermediate reversing gear and the intermediate reversing gear shaft are arranged in the transmission case. The multiple pulling rolls may be three sets, uniformly arranged at 120 degrees around the circumference. The transmission case and the bearing case are provided with cooling water pipes. The space occupied by the equipment is reduced, the blank pulling force is increased, and the central position of the hollow blank is kept unchanged, so that the arrangement of the upper equipment and the lower equipment is simple. Compact structure, strong traction force and reliable cooling operation of the bearing seat.
Description
Technical Field
The invention belongs to the technical field of metallurgy, round billet or hollow round billet vertical continuous casting, and particularly relates to a multiple type billet pulling roller.
Background
The steel industry in China develops rapidly, and the steel yield is the first world for many years. The steel technology is continuously developed towards the direction of energy conservation and emission reduction, the near-net-shape continuous casting technology has remarkable result, and the hollow round billet continuous casting technology which is paid attention to is still in the research and development stage. The prior art adopts a generally vertical mode, has similarities with the arrangement mode of large vertical round blanks, but is required to be more compact in the arrangement of equipment. The existing traction blank drawing equipment is single-roller independent transmission, and the limiting distance between rollers is far (the distance between roller axes is 500 mm) due to a transmission device, so that the equipment is too huge at the stage and can not meet the requirement of hollow round blank continuous casting.
Disclosure of Invention
The invention aims to provide a triple-type blank pulling roller, wherein the central position of a hollow blank is kept unchanged, so that the arrangement of upper and lower equipment is simple, the structure is compact, and the traction force is strong.
Multiple pulling rolls, including multiple sets of multiple pulling rolls. The method is characterized in that:
each set of multiple pulling rolls comprises: a fixed support, a bracket and a plurality of rollers.
The hydraulic cylinder is connected with the fixed support and the bracket.
The bearing box and the transmission box are respectively arranged on two sides of the bracket, and the motor is arranged on the outer side of the bracket.
The motor shaft is connected with the connecting shaft.
The support is internally provided with a plurality of rollers which are arranged in parallel from top to bottom.
The roller bearing and the roller bearing seat of each roller are arranged in the bearing box and the transmission box corresponding to the side face of the bracket.
Each roller shaft has a roller gear thereon.
Intermediate reversing gears are arranged between the adjacent roller gears.
The roller gear is meshed with the intermediate reversing gear.
The roller gear, the intermediate reversing gear and the intermediate reversing gear shaft are arranged in the transmission case.
The connecting shaft is connected with the roller shaft.
The multiple pulling rolls may be three sets, uniformly arranged at 120 degrees around the circumference.
The number of rollers of each group of multiple type pulling rollers is three, and the number of hydraulic cylinders is two. The connecting shaft is connected with the roller shaft positioned in the middle.
Cooling water pipes are arranged in the transmission case and the bearing case.
A guiding device is arranged between the bracket and the fixed support.
The space occupied by the equipment (the distance between the axes of the rollers is 300 mm) is reduced, the blank pulling force is increased, and the central position of the hollow blank is kept unchanged, so that the arrangement of the upper equipment and the lower equipment is simple. Compact structure, strong traction force and reliable cooling operation of the bearing seat.
The multiple type roller drawing device adopts an integrated structure, simplifies a bearing seat and a transmission device, combines two into one, realizes that one motor is used for driving a plurality of rollers drawing of the group, and greatly compresses the device space. Each group of the drawing rollers is driven by a hydraulic cylinder, and three groups of multiple drawing rollers are arranged at 120 degrees at the same position. The use of three independently movable sets of rollers provides more tension than two sets of rollers. And the circle center position is not changed when the specification of the blank is changed, so that the arrangement of the upper and lower equipment is simple and convenient to adjust.
Drawings
Fig. 1 is a top view of the present device.
Fig. 2 is a top view of a set of multiple pulling rolls.
Fig. 3 is a cross-sectional view A-A in fig. 2.
Fig. 4 is a B-B cross-sectional view in fig. 2.
Fig. 5 is a side view of a roller gear and an intermediate reversing gear.
The device comprises a fixed support 1, rollers 2, a motor 3, a connecting shaft 4, a round tube blank 5, a cooling water pipe 6, a roller bearing seat 7, a bearing box 8, a bracket 9, a hydraulic cylinder 10, a roller gear 11, an intermediate reversing gear 12, a sleeve 13, a guide rod 14, a guide rolling piece 15 and a transmission box 16.
Detailed Description
Example 1
See fig. 1-5.
Multiple pulling rolls, including multiple sets of multiple pulling rolls.
In this embodiment, three groups of multiple pulling rolls are uniformly arranged at 120 degrees on the circumference, and a round tube blank 5 is arranged in the center.
Each set of multiple pulling rolls comprises: a fixed support 1, a bracket 9 and a plurality of rollers 2. In this embodiment three rollers 2.
The fixed support 1 is provided with at least one hydraulic cylinder 10, the cylinder body of the hydraulic cylinder is fixed on the fixed support 1, and the cylinder rod of the hydraulic cylinder is fixedly connected with the rear part of the bracket 9. In this embodiment, two hydraulic cylinders 10 are provided up and down.
The two sides of the bracket 9 are respectively provided with a bearing box 8 and a transmission box 16, and the outer side of the transmission box 16 is provided with a motor 3.
The motor shaft is connected with the connecting shaft 4.
Inside the frame 9 are three rollers 2 arranged in parallel from top to bottom.
The roller bearings and roller bearing blocks 7 of each roller are respectively arranged in a bearing box 8 and a transmission box 16 at the side face of the bracket 9.
Each roller shaft has a roller gear 11 thereon.
Intermediate reversing gears 12 are arranged between the adjacent roller gears 11.
The roller gear 11 is meshed with the intermediate reversing gear 12.
The roller gear 11, the intermediate reversing gear 12 and the intermediate reversing gear shaft are arranged in a transmission case 16.
The connecting shaft 4 connects the roller shafts located in the middle.
Furthermore, cooling water pipes 6 are respectively arranged in the transmission case 16 and the bearing case 8, and are connected with outside cooling water and a water pump for circulating cooling.
Further, a guide is provided between the rear of the bracket 9 and the fixed support 1.
The guiding means are located between the two hydraulic cylinders 10.
The guiding means comprise a sleeve 13 and a guide rod 14.
A forward sleeve 13 is fixed to the fixed support 1, a rearward guide bar 14 is fixed to the rear of the bracket 9, the guide bar 14 is inserted into the sleeve 13, and a plurality of guide rollers 15 are provided between the sleeve 13 and the guide bar 14.
When the sleeve 13 and the guide bar 14 are square, the guide roller 15 may be a guide roller.
In this embodiment, three rolls 2 are provided, which may be referred to as triple-type pinch rolls.
Each set of pinch rollers is individually adjustable by its own hydraulic cylinder 10 to center the tube blank 5 and provide a clamping force and a pinch force from the motor 3. The three rollers 2 are arranged, one side of each roller 2 is provided with a bearing provided with an integral bearing box 8, the other side is provided with a bearing and a transmission gear provided with a transmission box 16 capable of providing support, and the bearing box 8 and the transmission box 16 are arranged on the same bracket 9. An intermediate reversing gear 12 is installed between the two roller gears 11, and the roller gears 11 are engaged with the intermediate reversing gear 12 in the up-down direction. The outer side of the middle roller is connected with a universal connecting shaft 4, and the rear of the connecting shaft 4 is connected with a driving motor 3. The motor 3 drives the rollers 2 through the connecting shaft 4, and simultaneously drives the upper roller 2 and the lower roller 2 through the middle reversing gear 12, so that the three rollers 2 are driven simultaneously, and the hollow round tube blank 5 is pulled to move. The transmission case 16 is provided with a cooling water pipe 6 for cooling the case. The bearing box 8 and a bracket 9 behind the transmission box 16 are arranged in the fixed support 1, the bracket 9 is driven by a hydraulic cylinder 10 to move back and forth in the fixed support 1, and the fixed support 1 supports the pinch-off roller set through the bracket 9. The front and back movement of the roller group is driven by a hydraulic cylinder 10, the hydraulic cylinder 10 is divided into an upper branch and a lower branch, the front of a cylinder rod of the hydraulic cylinder is connected with a bracket 9, and the rear is arranged on a fixed support 1, and a blank pulling roller is driven to clamp a tube blank during working.
The device is arranged on a vertical hollow tube blank continuous casting machine and is positioned below an outlet guide device of a crystallizer, and tube blank cutting equipment is arranged below the device. The device is arranged at 120 degrees in the same section to form a section of drawing roller group, and two sets of drawing roller groups can be arranged for round pipe blanks 5 with diameters larger than 500 mm. The installation of the apparatus secures the stationary support 1 and motor 3 of the apparatus to the general frame of the vertical casting machine and the cooling water is supplied to the portion of the transmission case 16.
Example 2
Example 2 is substantially the same as example 1 except that:
the multiple groups of multiple pulling rolls are four groups of multiple pulling rolls, and are uniformly distributed at 90 degrees on the circumference.
The number of the rollers 2 is four, and the rollers are arranged from top to bottom.
Claims (7)
1. A multiple type pulling roll device comprises multiple groups of multiple pulling rolls; the method is characterized in that:
each set of multiple pulling rolls comprises: a fixed support (1), a bracket (9) and a plurality of rollers (2);
the hydraulic cylinder is connected with the fixed support (1) and the bracket (9);
bearing boxes (8) and transmission boxes (16) are respectively arranged on two sides of the support (9), and a motor (3) is arranged on the outer side of the support (9);
the motor shaft is connected with a connecting shaft (4);
a plurality of rollers (2) which are arranged in parallel from top to bottom are arranged in the bracket (9);
the roller bearing and the roller bearing seat (7) of each roller are arranged in a bearing box (8) and a transmission box (16) which are corresponding to the side surface of the bracket (9);
each roller shaft is provided with a roller gear (11);
an intermediate reversing gear (12) is arranged between every two adjacent roller gears (11);
the roller gear (11) is meshed with the intermediate reversing gear (12);
the roller gear (11), the intermediate reversing gear (12) and the intermediate reversing gear shaft are arranged in the transmission case (16);
the connecting shaft (4) is connected with the roller shaft;
a plurality of rollers of the present group are driven by 1 motor;
the multiple type blank pulling rollers are three groups and are uniformly distributed at 120 degrees on the circumference;
the number of the rollers (2) of each group of multiple type blank pulling rollers is three, and the number of the hydraulic cylinders (10) is two; the connecting shaft (4) is connected with the roller shaft positioned in the middle;
or the number of rollers (2) of each group of multiple type pulling rollers is four, and the multiple type pulling rollers are four groups and are uniformly distributed at 90 degrees on the circumference.
2. A multiple-pull pinch roller apparatus as claimed in claim 1, wherein:
the cooling water pipes (6) are arranged in the transmission case (16) and the bearing case (8).
3. A multiple-pull pinch roller apparatus as claimed in claim 1, wherein:
a guiding device is arranged between the bracket (9) and the fixed support (1).
4. A multiple-pull pinch roller apparatus as claimed in claim 3, wherein:
the guiding device comprises a sleeve (13) and a bracket (9);
a sleeve (13) is fixed on the fixed support (1), a guide rod (14) is fixed at the rear part of the bracket (9), and the guide rod (14) is inserted into the sleeve (13).
5. A multiple-pull pinch roller apparatus as recited in claim 4, wherein:
a guide rolling piece (15) is arranged between the sleeve (13) and the guide rod (14).
6. A multiple-pull pinch roller apparatus as recited in claim 5, wherein:
the guide rolling piece (15) is a guide roller.
7. A multiple-pull pinch roller apparatus as claimed in claim 1, wherein:
the motor (3) is arranged outside the transmission case (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311020228.2A CN116727622B (en) | 2023-08-15 | 2023-08-15 | Multiple type roller for drawing blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311020228.2A CN116727622B (en) | 2023-08-15 | 2023-08-15 | Multiple type roller for drawing blank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116727622A CN116727622A (en) | 2023-09-12 |
| CN116727622B true CN116727622B (en) | 2023-10-20 |
Family
ID=87902980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311020228.2A Active CN116727622B (en) | 2023-08-15 | 2023-08-15 | Multiple type roller for drawing blank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116727622B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0130857A1 (en) * | 1983-05-17 | 1985-01-09 | Societe Des Acieries De Montereau S.A.M. | Frame for withdrawing continuous-casting strands, especially billets |
| CN1974060A (en) * | 2006-12-06 | 2007-06-06 | 安泰科技股份有限公司 | Hot-mold continuous casting apparatus and method |
| CN101961770A (en) * | 2010-10-29 | 2011-02-02 | 何学才 | Underdrive-concentrated withdrawal and straightening machine with thermal insulation device |
| CN202192240U (en) * | 2011-07-05 | 2012-04-18 | 中冶连铸技术工程股份有限公司 | Independent rack clamp type withdrawal and straightening unit with upper and lower roller dual drive function |
| CN103071680A (en) * | 2013-02-06 | 2013-05-01 | 中冶赛迪工程技术股份有限公司 | Pipe jacking machine unit |
| CN203621419U (en) * | 2013-12-31 | 2014-06-04 | 一重集团大连设计研究院有限公司 | Ejection round billet vertical casting machine of lifter |
| CN108941493A (en) * | 2018-08-30 | 2018-12-07 | 东北大学 | A kind of use for laboratory small billet vertical casting machine roller column and its application method |
| CN210615048U (en) * | 2019-07-09 | 2020-05-26 | 济源市东南机械有限公司 | Traction mechanism of cast iron continuous casting tractor |
| CN211708066U (en) * | 2020-03-06 | 2020-10-20 | 马鞍山钢铁股份有限公司 | Continuous casting billet sector section guiding device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU184618U1 (en) * | 2017-10-23 | 2018-11-01 | Общество с ограниченной ответственностью "ЗАО Мушарака" | DEVICE FOR RETURNING AND PROGRESSIVE EXTRACTION OF CASTING Billets ON EQUIPMENT FOR CONTINUOUS HORIZONTAL CASTING |
-
2023
- 2023-08-15 CN CN202311020228.2A patent/CN116727622B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0130857A1 (en) * | 1983-05-17 | 1985-01-09 | Societe Des Acieries De Montereau S.A.M. | Frame for withdrawing continuous-casting strands, especially billets |
| CN1974060A (en) * | 2006-12-06 | 2007-06-06 | 安泰科技股份有限公司 | Hot-mold continuous casting apparatus and method |
| CN101961770A (en) * | 2010-10-29 | 2011-02-02 | 何学才 | Underdrive-concentrated withdrawal and straightening machine with thermal insulation device |
| CN202192240U (en) * | 2011-07-05 | 2012-04-18 | 中冶连铸技术工程股份有限公司 | Independent rack clamp type withdrawal and straightening unit with upper and lower roller dual drive function |
| CN103071680A (en) * | 2013-02-06 | 2013-05-01 | 中冶赛迪工程技术股份有限公司 | Pipe jacking machine unit |
| CN203621419U (en) * | 2013-12-31 | 2014-06-04 | 一重集团大连设计研究院有限公司 | Ejection round billet vertical casting machine of lifter |
| CN108941493A (en) * | 2018-08-30 | 2018-12-07 | 东北大学 | A kind of use for laboratory small billet vertical casting machine roller column and its application method |
| CN210615048U (en) * | 2019-07-09 | 2020-05-26 | 济源市东南机械有限公司 | Traction mechanism of cast iron continuous casting tractor |
| CN211708066U (en) * | 2020-03-06 | 2020-10-20 | 马鞍山钢铁股份有限公司 | Continuous casting billet sector section guiding device |
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| Publication number | Publication date |
|---|---|
| CN116727622A (en) | 2023-09-12 |
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