CN202079266U - Drawing and straightening unit for both square and round billets - Google Patents
Drawing and straightening unit for both square and round billets Download PDFInfo
- Publication number
- CN202079266U CN202079266U CN2011201269036U CN201120126903U CN202079266U CN 202079266 U CN202079266 U CN 202079266U CN 2011201269036 U CN2011201269036 U CN 2011201269036U CN 201120126903 U CN201120126903 U CN 201120126903U CN 202079266 U CN202079266 U CN 202079266U
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- roller
- roller mechanism
- straightening machine
- installing frame
- top roll
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Abstract
The utility model provides a drawing and straightening unit for both square and round billets, which comprises a lower base (10), an upper fixing plate (30), a lower roller mechanism (20), an upper roller mounting frame (31), a driving mechanism, an upper roller mechanism (40) and a driving motor (32). The lower roller mechanism (20) comprises a first concave roller (21) and a first flat roller (22); the upper roller mechanism (40) comprises a second concave roller (41) and a second flat roller (42); and the upper roller mechanism (40) and the lower roller mechanism (20) have a first operating mode and a second operating mode, wherein the first operating mode is matched with the first flat roller (22) and the second flat roller (42), and the second operating mode is matched with the first concave roller (21) and the second concave roller (41). According to the drawing and straightening unit for both the square and round billets, rollers are replaced by needed press-down rollers online according to difference of continuous casting billets, the drawing and straightening unit is simple and convenient to use, time loss is reduced effectively, and production efficiency is improved.
Description
Technical field
The utility model relates to mechanical continuous casting field, in particular to a kind of circumference base dual-purpose straightening machine.
Background technology
In the casting process, because choosing divides the effect of crystallization a large amount of low-melting solutes that made the interdendritic enrichment in the process of setting, solidifying latter stage, the residual liquid that the powerful suction that the solidification shrinkage of casting blank solidification end solid-liquid two-phase region produces causes interdendritic enrichment impurity to center flow and filling in wherein, thereby produce defectives such as the center segregation of slab and center porosity.Because center segregation and center porosity can not be eliminated by follow-up rolling or annealing in process, and under condition of high ground stress, center segregation and center porosity cause the layering of slab easily, and therefore solving center segregation and center porosity is to improve an effective way of slab quality.
It is the new technology that at present domestic and international emtallurgy research person generally is concerned about that solidification end is gently depressed technology, gently depress finger and near the continuous casting billet solidification end, strand is exerted pressure produce the solidification shrinkage amount that certain drafts compensates strand, be mainly used in defectives such as improving strand center porosity and internal component segregation by changing roll gap.But conticaster for circumference base dual-purpose, owing to the depress roller that production square billet and circle base are used is different, produce the circle base and need use the roller that has groove, then to use plain-barreled roll when producing square billet, especially when gently depressing, can not exchange by two kinds of rollers especially, so when strand difformity section exchanges, must change roller, can increase time cost like this, reduce production efficiency, and increased workload greatly.
The utility model content
The utility model aims to provide a kind of circumference base dual-purpose straightening machine, can be according to the difference of continuous casting billet and online depress roller of being replaced by needs is easy to use, reduce time loss effectively, and enhance productivity.
To achieve these goals,, provide a kind of circumference base dual-purpose straightening machine, having comprised: lower bottom base according to an aspect of the present utility model; Upper mounted plate is fixedly installed on the lower bottom base upper end; Following roller mechanism is arranged in the lower bottom base by first rotating shaft; The top roll installing frame is arranged in the upper mounted plate; Driving mechanism is connected with the top roll installing frame, and driving top roll installing frame moves up and down; Last roller mechanism, correspondence is descended the roller mechanism setting, and is arranged in the top roll installing frame by second rotating shaft; Drive motors is removably disposed on the roller mechanism, following roller mechanism comprise the first recessed roller and with the first recessed roller along symmetrically arranged first plain-barreled roll of first rotating shaft, the first recessed roller and first plain-barreled roll rotatably are provided with around first rotating shaft; Last roller mechanism comprise the second recessed roller and with the second recessed roller along symmetrically arranged second plain-barreled roll of second rotating shaft, the second recessed roller and second plain-barreled roll rotatably are provided with around second rotating shaft; Last roller mechanism and following roller mechanism have second duty that first duty that first plain-barreled roll cooperates with second plain-barreled roll and the first recessed roller cooperate with the second recessed roller; Drive motors is connected to the working roll of roller mechanism.
Further, drive motors passes upper mounted plate and is connected to roller mechanism, and upper mounted plate is provided with the chute that slides for drive motors.
Further, the top roll installing frame is the U-shaped frame, and driving mechanism is connected to the U-shaped bottom of top roll installing frame.
Further, upper mounted plate and top roll installing frame are provided with along the guiding mechanism of drive mechanism direction guiding.
Further, guiding mechanism is to be arranged on the projection in the top roll installing frame outside and to be arranged on the upper mounted plate inboard, and the groove that cooperates with projection.
Further, on driving mechanism, also be provided with position sensor, the motion of position sensor control driving mechanism.
Further, at first retaining mechanism that also is provided with roller mechanism under the locking on the lower bottom base.
Further, on the top roll installing frame, also be provided with second retaining mechanism of roller mechanism in the locking.
Further, first retaining mechanism is to pass first bearing pin that lower bottom base is connected with following roller mechanism, and second retaining mechanism is to pass second bearing pin that the top roll installing frame is connected with last roller mechanism.
Further, driving mechanism is a hydraulic jack.
According to the technical solution of the utility model, circumference base dual-purpose straightening machine comprises roller mechanism and following roller mechanism, following roller mechanism has along the first rotating shaft symmetrically arranged first recessed roller and first plain-barreled roll, and last roller mechanism has along the second rotating shaft symmetrically arranged second recessed roller and second plain-barreled roll.Can make the straightening machine be in first duty of straightening square billet easily by overturn last roller mechanism and following roller mechanism, perhaps second duty of base be justified in straightening.Owing to only need to go up roller mechanism and following roller mechanism, just can obtain needed mated condition, and need not from the straightening machine, lower compression roller to be removed by upset, therefore change required lower compression roller, use conveniently, change quicker, effectively reduce the replacing time, improved operating efficiency.Driving mechanism is provided with position sensor, can make accurate control to the motion of driving mechanism, thereby guarantees the operating accuracy of lower compression roller, improves the straightening quality.On last roller mechanism and following roller mechanism, be provided with retaining mechanism, can form good location lower compression roller, when guaranteeing to produce strand, the stability of straightening machine duty.
Description of drawings
The accompanying drawing that constitutes a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, does not constitute improper qualification of the present utility model.In the accompanying drawings:
Structural representation when Fig. 1 shows according to the circumference base dual-purpose straightening machine production square billet of embodiment of the present utility model; And
Structural representation when Fig. 2 shows according to the circumference base dual-purpose straightening machine production circle base of embodiment of the present utility model.
The specific embodiment
Hereinafter will describe the utility model with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
As depicted in figs. 1 and 2, according to embodiment of the present utility model, circumference base dual-purpose straightening machine comprises the lower bottom base 10 that supports whole straightening machine, on lower bottom base 10, be set with upper mounted plate 30, upper mounted plate 30 can be welded on the lower bottom base 10, also can be bolted to connection on lower bottom base 10.Lower bottom base 10 is two triangular support plates that are oppositely arranged, and is provided with first rotating shaft 23 at the middle part of triangular support plate, and rotating shaft 23 is provided with down roller mechanism 20, and following roller mechanism 20 can be rotatably set in first rotating shaft 23.
Following roller mechanism 20 comprises the underframe 24 that is installed in first rotating shaft 23, and is arranged in the underframe 24, and along first rotating shaft, the 23 symmetrically arranged first recessed rollers 21 and first plain-barreled roll 22.Also be provided with first retaining mechanism between roller mechanism 20 and the lower bottom base 10 down, first retaining mechanism is after roller mechanism 20 is in the duty that needs down, and locking is roller mechanism 20 down, to form the stable position structure.First locking mechanism can be arranged on down first bearing pin 11 on the underframe 24 of roller mechanism 20 for the gripper shoe of passing lower bottom base 10, by the underframe 24 of roller mechanism 20 under first bearing pin, 11 location and the relative position of lower bottom base 10, to prevent that underframe 24 rotates in the straightening process, cause depress roller can not form good cooperation, make the straightening machine not finish production work well, influence slab quality.Upper mounted plate 30 comprises two side plates that are separately positioned on two triangular support plates, and the upper plate that connects two side plates, in upper mounted plate 30, be provided with top roll installing frame 31, top roll installing frame 31 is the U-shaped frame, and Open Side Down is provided with for U-shaped, be connected with driving mechanism 33 at the U-shaped frame bottom, drive the U-shaped frame by driving mechanism 33 and move up and down, thereby make the straightening machine can produce square billet or circle base.Driving mechanism 33 is hydraulic jack or pneumatic cylinder, perhaps electric power push rod, and perhaps other telescoping mechanism, in the present embodiment, driving mechanism 33 is a hydraulic jack, its piston rod is connected the U-shaped bottom of U-shaped frame.The U-shaped frame is hung in the upper mounted plate 30 by hydraulic jack.Therefore, under the driving effect of driving mechanism 33, the circumference dual-purpose straightening machine in the present embodiment not only can be finished the production of square billet and circle base, and can finish the work of gently depressing of square billet.
Be provided with second rotating shaft, 43, the second rotating shafts 43 and be provided with roller mechanism 40 in the U-shaped frame, last roller mechanism 40 corresponding roller mechanisms 20 down are provided with, and can be around second rotating shaft, 43 rotations.Last roller mechanism 40 includes the upper frame 44 that is arranged in second rotating shaft 43, and is arranged in the upper frame 44, and along second rotating shaft, the 43 symmetrically arranged second recessed rollers 41 and second plain-barreled roll 42.Also be provided with second retaining mechanism between top roll installing frame 31 and upper frame 44, after second retaining mechanism was in the duty that needs at last roller mechanism 40, roller mechanism 40 in the locking, to form the stable position structure.Second locking mechanism can be arranged on second bearing pin 34 on the upper frame 44 of roller mechanism 40 for the U-shaped side plate that passes top roll installing frame 31, go up the upper frame 44 of roller mechanism 40 and the relative position of top roll installing frame 31 by second bearing pin, 34 location, to prevent that beat takes place upper frame 44 in the straightening process, cause depress roller can not form good cooperation, make the straightening machine can not finish straightening work well, influence slab quality.
First retaining mechanism and second retaining mechanism also can be removably disposed between underframe 24 and the lower bottom base 10 or the fixed structure between upper frame 44 and the top roll installing frame 31 for other, bolting mechanism for example, by bolt underframe 24 and lower bottom base 10 are linked together, and/or upper frame 44 and top roll installing frame 31 linked together, thereby underframe 24 and upper frame 44 are carried out good location, to guarantee the operating accuracy of straightening machine.
Because in the process of straightening, roller mechanism 40 constantly moves down under the active force of driving mechanism 33 on the needs, so that the enough power of gently depressing to be provided, square billet or circle base are carried out straightening, therefore, need drive motors 32 can follow working roll and move together, so that enough straightening power to be provided.In the present embodiment, drive motors 32 is removably disposed on the working roll of roller mechanism 40, in the time need changing to the working roll of last roller mechanism 40, drive motors 32 is pulled down, after the working roll replacing of last roller mechanism 40 finishes, drive motors 32 is reinstalled on the new working roll, continues as the straightening machine straightening power is provided.Be connected with screw by adpting flange between the working roll of last roller mechanism 40 and the drive motors 32, can realize efficient transmission.
Following top roll installing frame 31 for the ease of drive motors 32 moves up and down together, so that adapt to the strand straightening of different size, the side plate of upper mounted plate 30 is provided with chute, chute is provided with along the axially-movable direction of driving mechanism 33, drive motors 32 passes chute and is connected on the working roll, and moves up and down with last roller mechanism 40.Chute can also form the location to drive motors 32, forms the location thereby go up roller mechanism 40 by 32 pairs of drive motors, and the good movement effects of roller mechanism 40 in the assurance prevents from its process that moves up and down beat to take place, and influences straightening machine precision.
In a unshowned embodiment, between upper mounted plate 30 and top roll installing frame 31, be provided with the guiding mechanism that is provided with along the driving direction of driving mechanism 33, this guiding mechanism forms guiding to moving up and down of last roller mechanism 40, the kinematic accuracy of roller mechanism 40 in the assurance, and then the straightening precision of assurance straightening machine.Guiding mechanism can be for being arranged on the projection in top roll installing frame 31 outsides, and the side plate inboard that is arranged on upper mounted plate 30, and the groove that cooperates with projection.Projection and groove fit, the motion in upper mounted plate 30 forms good location to top roll installing frame 31, thereby the last roller mechanism 40 that is arranged in the top roll installing frame 31 is formed good location, further guarantees the operating accuracy of straightening machine.
Preferably, in hydraulic jack, also be provided with position sensor, the motion of position sensor control hydraulic jack, thus moving up and down of roller mechanism 40 gone up in control, guarantees the accuracy of drafts, realizes accurate displacement control.
In the present embodiment, the course of work of circumference base dual-purpose straightening machine is as follows, at first when the straightening square billet, make roller mechanism 40 and following roller mechanism 20 be in first duty, and the position of going up roller mechanism 40 and following roller mechanism 20 by the locking of first locking device and second locking device, the motion of going up roller mechanism 40 by hydraulic jack control is adjusted the distance between first plain-barreled roll 22 and second plain-barreled roll 32, and is provided straightening power by drive motors 32 then.Do the time spent gently depressing, at first calculate depressing position by solidifying computation model, the motion of going up roller mechanism 40 by position sensor control then realizes accurate displacement control, and square billet is depressed accurately.In this process, drive motors 32 is followed roller mechanism 40 and is moved together, thereby for the straightening machine provides the straightening power of continous-stable, guarantees stable the carrying out of straightening work.When the straightening work of justifying base, make roller mechanism 40 and following roller mechanism 20 be in second duty, and the position of going up roller mechanism 40 and following roller mechanism 20 by the locking of first locking device and second locking device, the motion of going up roller mechanism 40 then by hydraulic jack control, adjust the distance between the first recessed roller 21 and the second recessed roller 41, and provide straightening power by drive motors 32.
From above description, as can be seen, the utility model the above embodiments have realized following technique effect: circumference base dual-purpose straightening machine comprises roller mechanism and following roller mechanism, following roller mechanism has along the first rotating shaft symmetrically arranged first recessed roller and first plain-barreled roll, and last roller mechanism has along the second rotating shaft symmetrically arranged second recessed roller and second plain-barreled roll.Can make the straightening machine be in first duty of straightening square billet easily by overturn last roller mechanism and following roller mechanism, perhaps second duty of base be justified in straightening.Owing to only need to go up roller mechanism and following roller mechanism, just can obtain needed mated condition, and need not from the straightening machine, lower compression roller to be removed by upset, therefore change required lower compression roller, use conveniently, change quicker, effectively reduce the replacing time, improved operating efficiency.Driving mechanism is provided with position sensor, can make accurate control to the motion of driving mechanism, thereby guarantees the operating accuracy of lower compression roller, improves the straightening quality.On last roller mechanism and following roller mechanism, be provided with retaining mechanism, can form good location lower compression roller, when guaranteeing to produce strand, the stability of straightening machine duty.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. one kind is had an area of base dual-purpose straightening machine, comprising:
Lower bottom base (10);
Upper mounted plate (30) is fixedly installed on described lower bottom base (10) upper end;
Following roller mechanism (20) is arranged in the described lower bottom base (10) by first rotating shaft (23);
Top roll installing frame (31) is arranged in the described upper mounted plate (30);
Driving mechanism (33) is connected with described top roll installing frame (31), and drives described top roll installing frame (31) and move up and down;
Last roller mechanism (40), corresponding described roller mechanism (20) down is provided with, and is arranged in the described top roll installing frame (31) by second rotating shaft (43);
Drive motors (32) is removably disposed in described going up on the roller mechanism (40),
It is characterized in that,
Described down roller mechanism (20) comprise the first recessed roller (21) and with the described first recessed roller (21) along symmetrically arranged first plain-barreled roll of described first rotating shaft (23) (22), the described first recessed roller (21) and described first plain-barreled roll (22) rotatably are provided with around described first rotating shaft (23);
Described go up roller mechanism (40) comprise the second recessed roller (41) and with the described second recessed roller (41) along symmetrically arranged second plain-barreled roll of described second rotating shaft (43) (42), the described second recessed roller (41) and described second plain-barreled roll (42) rotatably are provided with around described second rotating shaft (43);
Described roller mechanism (40) and the described time roller mechanism (20) gone up has second duty that first duty that described first plain-barreled roll (22) cooperates with described second plain-barreled roll (42) and the described first recessed roller (21) cooperate with the described second recessed roller (41);
Described drive motors (32) is connected to the described working roll of going up roller mechanism (40).
2. circumference base dual-purpose straightening machine according to claim 1, it is characterized in that, described drive motors (32) passes described upper mounted plate (30) and is connected to the described roller mechanism (40) of going up, and described upper mounted plate (30) is provided with the chute that slides for described drive motors (32).
3. circumference base dual-purpose straightening machine according to claim 1 is characterized in that described top roll installing frame (31) is the U-shaped frame, and described driving mechanism (33) is connected to the U-shaped bottom of described top roll installing frame (31).
4. circumference base dual-purpose straightening machine according to claim 1 is characterized in that, described upper mounted plate (30) is provided with along the guiding mechanism of described driving mechanism (33) driving direction guiding with described top roll installing frame (31).
5. circumference base dual-purpose straightening machine according to claim 4 is characterized in that, described guiding mechanism is for being arranged on the projection outside the described top roll installing frame (31) and being arranged on described upper mounted plate (30) inboard, and the groove that cooperates with described projection.
6. circumference base dual-purpose straightening machine according to claim 1 is characterized in that also be provided with position sensor on described driving mechanism (33), described position sensor is controlled the motion of described driving mechanism (33).
7. circumference base dual-purpose straightening machine according to claim 1 is characterized in that, also is provided with described first retaining mechanism of roller mechanism (20) down of locking on described lower bottom base (10).
8. circumference base dual-purpose straightening machine according to claim 7 is characterized in that, also is provided with described second retaining mechanism of going up roller mechanism (40) of locking on described top roll installing frame (31).
9. circumference base dual-purpose straightening machine according to claim 8, it is characterized in that, described first retaining mechanism is for passing first bearing pin (11) that described lower bottom base (10) is connected with described roller mechanism (20) down, and described second retaining mechanism is for passing second bearing pin (34) that described top roll installing frame (31) is connected with described upward roller mechanism (40).
10. according to each described circumference base dual-purpose straightening machine in the claim 1 to 9, it is characterized in that described driving mechanism (33) is a hydraulic jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201269036U CN202079266U (en) | 2011-04-26 | 2011-04-26 | Drawing and straightening unit for both square and round billets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201269036U CN202079266U (en) | 2011-04-26 | 2011-04-26 | Drawing and straightening unit for both square and round billets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202079266U true CN202079266U (en) | 2011-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201269036U Expired - Lifetime CN202079266U (en) | 2011-04-26 | 2011-04-26 | Drawing and straightening unit for both square and round billets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202079266U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189236A (en) * | 2011-04-26 | 2011-09-21 | 田陆 | Withdrawal and straightening machine for square and round billets |
| CN105081249A (en) * | 2014-05-22 | 2015-11-25 | 新日铁住金工程技术株式会社 | Rolling apparatus |
-
2011
- 2011-04-26 CN CN2011201269036U patent/CN202079266U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189236A (en) * | 2011-04-26 | 2011-09-21 | 田陆 | Withdrawal and straightening machine for square and round billets |
| CN102189236B (en) * | 2011-04-26 | 2013-03-27 | 田陆 | Withdrawal and straightening machine for square and round billets |
| CN105081249A (en) * | 2014-05-22 | 2015-11-25 | 新日铁住金工程技术株式会社 | Rolling apparatus |
| CN105081249B (en) * | 2014-05-22 | 2018-09-18 | 新日铁住金工程技术株式会社 | Roll milling apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20130327 |
|
| RGAV | Abandon patent right to avoid regrant |