CN216065456U - Five-roller continuous straightening and withdrawal straightener - Google Patents
Five-roller continuous straightening and withdrawal straightener Download PDFInfo
- Publication number
- CN216065456U CN216065456U CN202122315164.1U CN202122315164U CN216065456U CN 216065456 U CN216065456 U CN 216065456U CN 202122315164 U CN202122315164 U CN 202122315164U CN 216065456 U CN216065456 U CN 216065456U
- Authority
- CN
- China
- Prior art keywords
- straightening
- withdrawal
- roller
- roll
- continuous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Continuous Casting (AREA)
Abstract
The utility model relates to a five-roller continuous straightening and withdrawal straightening machine, which comprises a base, a rack arranged on the base and withdrawal and straightening rollers arranged on the rack, wherein the withdrawal and straightening rollers comprise five groups, namely a first inner arc withdrawal and straightening roller and an outer arc withdrawal and straightening roller which are correspondingly arranged at the front end of the withdrawal and straightening, a second inner arc withdrawal and straightening roller and a second free roller which are correspondingly arranged at the rear end of the withdrawal and straightening and a first free roller which is arranged at the middle section of a straightening area. The utility model has the advantages of compact structure, continuous straightening curve, long straightening area, small casting blank strain, stable blank drawing speed, high production efficiency, long service life, good adaptability and easy maintenance.
Description
Technical Field
The utility model relates to a withdrawal and straightening machine, in particular to a five-roller continuous straightening and withdrawal and straightening machine.
Background
The withdrawal and straightening machine is one of important equipment in continuous casting production, and has the main function of smoothly withdrawing the billet solidified in the shell from the crystallizer and straightening the billet near the bottom area of the basic arc. The secondary cooling device is mainly arranged at the tail part of a guide section of a secondary cooling area and plays roles of blank drawing, straightening and ingot returning. The quality of the withdrawal and straightening machine is directly related to the quality of a casting blank and the continuous casting production efficiency, and is one of more key devices in the complete equipment of a continuous casting machine.
The five-roller withdrawal and straightening machine is commonly used for R6-R10 m arc radius full arc type continuous casting machines, the sections of casting blanks are mostly square blanks with the radius of 100-200 mm and round blanks with the radius of phi 120-phi 280mm, and the forms of dummy bars are mostly rigid dummy bars. The five-roller type withdrawal and straightening machine has the advantages of compact structure, good integral rigidity, high equipment utilization efficiency, easy cleaning of iron scale and the like. The method can adopt two straightening curves of gradual straightening or continuous straightening, and can effectively guarantee the internal and external quality of the casting blank during continuous casting production.
The conventional five-roller withdrawal and straightening machine has the following problems:
(1) the straightening distance is short, the casting blank is large in deformation, and quality defects are easy to generate;
(2) the maintenance and repair time is long, which is not beneficial to the improvement of the production benefit;
(3) the environment is severe, so that the performance of the equipment is unreliable, and the service cycle is short.
It is therefore desirable to improve the five-roll withdrawal and straightening unit to solve the above-described problems.
Disclosure of Invention
The utility model aims to solve the technical problems and provides a five-roller continuous straightening and pulling straightener which has the advantages of compact structure, continuous straightening curve, long straightening area, small strain of a casting blank, stable pulling speed, high production efficiency, long service life, good adaptability and easy maintenance.
The technical scheme includes that the straightening and withdrawal device comprises a base, a rack arranged on the base and straightening and withdrawal rollers arranged on the rack, wherein the straightening and withdrawal rollers comprise five groups including a first inner arc straightening and withdrawal roller and an outer arc straightening and withdrawal roller which are positioned at the straightening and withdrawal front end and are correspondingly arranged, a second inner arc straightening and withdrawal roller and a second free roller which are positioned at the straightening and withdrawal rear end and are correspondingly arranged, and a first free roller which is positioned at the middle section of a straightening area.
The transverse distance X of the straightening area between the outer arc straightening and withdrawing roll and the second free roll and the central height difference Y between the outer arc straightening and withdrawing roll and the second free roll meet the requirement of connectionContinuous straightening curve Y is K.X3Wherein K is the straightening coefficient.
The first inner arc straightening and withdrawal roller, the outer arc straightening and withdrawal roller and the second inner arc straightening and withdrawal roller are respectively in direct connection transmission by a variable-frequency speed reduction motor.
The first inner arc straightening and withdrawing roller and the second inner arc straightening and withdrawing roller are respectively arranged on the rack through rotating arms, and each rotating arm is respectively connected with a hydraulic cylinder.
And a water cooling cover positioned above the straightening area is arranged on the frame.
And the rack is provided with water cooling covers which are respectively positioned at the front end and the rear end of the withdrawal and straightening.
A plurality of water cooling channels are arranged in the frame.
Has the advantages that:
(1) the positions of five groups of pulling and straightening rollers are set to realize a continuous straightening curve, the straightening area is long, and the strain of a casting blank is small;
(2) the first inner arc straightening and withdrawal roller, the outer arc straightening and withdrawal roller and the second inner arc straightening and withdrawal roller are all in direct connection transmission by a variable-frequency speed reduction motor, and can be controlled by speed regulation of a frequency converter so as to realize synchronous and stable rotation of the inner arc straightening and withdrawal roller and the outer arc straightening and withdrawal roller;
(3) the hydraulic cylinder is utilized to drive the rotating arm, so that the inner arc straightening and withdrawal roll can move up and down to meet the production requirement; the hydraulic cylinder can realize conversion of different pressures by adopting multi-stage hydraulic pressure so as to adapt to different production requirements.
(4) The multiple water cooling channels are arranged in the frame to protect the frame and prevent the frame from being deformed by heating, and the water cooling cover is arranged above the frame, so that direct heat radiation of a casting blank to a speed reduction motor, a hydraulic cylinder and the like during production is avoided, and the casting blank can be insulated.
(5) The utility model has compact structure, stable blank drawing speed, strong adaptability of casting blank, high production efficiency and long maintenance interval period, and can meet the technical requirement of high-efficiency continuous casting on liquid core straightening.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
The device comprises a base 1, a rack 2, an outer arc straightening and withdrawal roller 3, a first inner arc straightening and withdrawal roller 4, a second free roller 5, a rotating arm 6, an alternating current variable frequency speed reducing motor 7, a hydraulic cylinder 8, a water cooling cover 9, a second inner arc straightening and withdrawal roller 10 and a first free roller 11.
Detailed Description
The utility model is further explained below with reference to the drawings in which:
referring to fig. 1, the device comprises a base 1, a frame 2 arranged on the base 1, and a straightening and withdrawal roller arranged on the frame 2, wherein the frame 2 is preferably connected with the base 1 in a wedge iron fixing mode, so that the positioning is accurate, and the disassembly and the assembly are convenient;
the pulling and straightening rollers are divided into five groups, and comprise a first inner arc pulling and straightening roller 4 and an outer arc pulling and straightening roller 3 which are correspondingly arranged at the pulling and straightening front end of the pulling and straightening machine, a second inner arc pulling and straightening roller 10 and a second free roller 5 which are correspondingly arranged at the pulling and straightening rear end, and a first free roller 11 which is arranged at the middle section of a straightening area.
The straightening area is positioned between the outer arc straightening and withdrawal roller 3 and the second free roller 5, and the transverse distance X of the straightening area and the central height difference Y between the outer arc straightening and withdrawal roller 3 and the second free roller 5 meet the condition that a continuous straightening curve Y is equal to K.X3(K is the straightening coefficient). The straightening deformation and the deformation rate of the casting blank during production are controlled within an ideal deformation range through a reasonable continuous straightening curve, so that the production pulling speed and the casting blank quality are effectively ensured at the same time.
Preferably, the first inner arc straightening and withdrawing roll 4, the outer arc straightening and withdrawing roll 3 and the second inner arc straightening and withdrawing roll 10 are respectively in direct connection transmission by a variable frequency speed reducing motor 7. The first inner arc straightening and withdrawing roll 4 and the second inner arc straightening and withdrawing roll 10 are further respectively installed on the rack 2 through the rotating arms 6, each rotating arm 6 is respectively connected with a hydraulic cylinder 8, the rotating arms 6 are driven through the hydraulic cylinders 8, and the first inner arc straightening and withdrawing roll 4 and the second inner arc straightening and withdrawing roll 10 are finally driven to move up and down, the hydraulic cylinders 8 are driven by an external hydraulic system, the hydraulic system is provided with three-stage pressure automatic conversion and is automatically adjusted to adapt to different production working conditions, so that the defects of straightening and withdrawing force or the deformation of a casting blank or even the bursting of a blank shell caused by the single use pressure of the traditional straightening and withdrawing machine are avoided;
the machine frame 2 is provided with a water cooling cover 9, and the water cooling cover 9 is respectively positioned at a straightening area, a straightening front end and a straightening rear end so as not to influence the movement of the first inner arc straightening and withdrawing roller 4 and the second inner arc straightening and withdrawing roller 10. The casting blank is separated from the hydraulic cylinder 8, the rotating arm 6, the variable frequency speed reducing motor 7 and other components through the water cooling cover 9, so that direct heat radiation of the casting blank to the variable frequency speed reducing motor 7, the hydraulic cylinder 8 and other components during production is avoided, and meanwhile, the casting blank can be insulated.
A plurality of water cooling channels are also arranged in the frame 2, and the frame 2 is protected from heat radiation through circulating cooling water circulation.
Claims (7)
1. The utility model provides a five roll-type continuous straightening withdrawal straightening machines, includes the base, locates the frame on the base to and install the withdrawal straightening roller in the frame, its characterized in that, the withdrawal straightening roller is total five groups, draws straightening roller and outer arc withdrawal straightening roller including the first inner arc that is located to draw and straightens the front end and corresponds the setting, lies in and draws straightening roller and the second free roller that draws and straightens the rear end and correspond the setting and lie in the first free roller in straightening district middle section.
2. The five-roll continuous straightening withdrawal and straightening machine according to claim 1, wherein the transverse distance X of the straightening area between the outer arc withdrawal and straightening roll and the second free roll and the central height difference Y between the outer arc withdrawal and straightening roll and the second free roll satisfy the requirement of a continuous straightening curve Y ═ K · X3Wherein K is the straightening coefficient.
3. The five-roller continuous straightening withdrawal and straightening machine according to claim 1, wherein the first inner arc withdrawal and straightening roller, the outer arc withdrawal and straightening roller and the second inner arc withdrawal and straightening roller are respectively driven by a variable frequency speed reduction motor in a direct connection manner.
4. The five-roll continuous straightening withdrawal and straightening machine according to claim 1, wherein the first inner-arc withdrawal and straightening roll and the second inner-arc withdrawal and straightening roll are respectively mounted on the frame via a rotating arm, and each rotating arm is respectively connected with a hydraulic cylinder.
5. Five-roller continuous straightening pull straightening machine according to any one of claims 1 to 4, characterized in that the frame is provided with a water-cooled hood above the straightening zone.
6. The five-roller continuous straightening withdrawal straightener as claimed in claim 5, wherein the frame is provided with water-cooled hoods at the withdrawal and straightening front end and the withdrawal and straightening rear end, respectively.
7. Five-roller continuous straightening pull straightening machine according to any one of claims 1 to 4, characterized in that a plurality of water-cooled channels are provided in the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122315164.1U CN216065456U (en) | 2021-09-24 | 2021-09-24 | Five-roller continuous straightening and withdrawal straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122315164.1U CN216065456U (en) | 2021-09-24 | 2021-09-24 | Five-roller continuous straightening and withdrawal straightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216065456U true CN216065456U (en) | 2022-03-18 |
Family
ID=80678559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122315164.1U Active CN216065456U (en) | 2021-09-24 | 2021-09-24 | Five-roller continuous straightening and withdrawal straightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216065456U (en) |
-
2021
- 2021-09-24 CN CN202122315164.1U patent/CN216065456U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107866544A (en) | A kind of casting device | |
| CN216065456U (en) | Five-roller continuous straightening and withdrawal straightener | |
| CN102248143A (en) | Upper and lower roller dual-drive pincer-type pulling-straightening machine with independent frame | |
| CN212704276U (en) | Hydraulic straightening device | |
| CN216938229U (en) | Environment-friendly hardware housing cold forging mould | |
| CN214023034U (en) | Motor housing stamping forming die | |
| CN202192240U (en) | Independent rack clamp type withdrawal and straightening unit with upper and lower roller dual drive function | |
| CN209886626U (en) | Memorial archway type withdrawal and straightening machine and small square billet continuous casting machine adopting same for pressing | |
| CN201241177Y (en) | Refusion heating device for aluminum alloy thixotropy machining | |
| CN210475522U (en) | Adjusting device for prefabricated part forming die of steel tapping hole | |
| CN210188354U (en) | Pole steel mould race wheel forging device | |
| CN113087367A (en) | Auxiliary shaping device for production of arc-shaped toughened glass and implementation method thereof | |
| CN110722121A (en) | Single-frame six-roller three-drive progressive withdrawal and straightening machine | |
| CN206047042U (en) | Five roller continuous straightening withdrawal straightening machines | |
| CN106077552A (en) | Five roller continuous straightening withdrawal straightening machine and usings method thereof | |
| CN211539409U (en) | Single-frame six-roller three-drive progressive withdrawal and straightening machine | |
| CN220717728U (en) | Guide pinch roll apparatus | |
| CN219924502U (en) | Sector section water-cooling heat preservation channel of large-specification round billet continuous casting machine | |
| CN215746376U (en) | Brake disc gap casting device | |
| CN213559242U (en) | Adjustable multi-roller straightening device for aluminum alloy processing | |
| CN210730739U (en) | Wheel axle processing die | |
| CN216044718U (en) | Novel rotary oil cylinder device for aluminum casting-rolling coiling unit | |
| CN2510189Y (en) | Five-roll, double-frame progressice straightening and withdrawal straightening machine | |
| CN102941329A (en) | Rocker arm type tension leveler | |
| CN216324983U (en) | High-pulling-speed square billet crystallizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |