CN204234690U - A kind of withdrawal straightening machine - Google Patents
A kind of withdrawal straightening machine Download PDFInfo
- Publication number
- CN204234690U CN204234690U CN201420703194.7U CN201420703194U CN204234690U CN 204234690 U CN204234690 U CN 204234690U CN 201420703194 U CN201420703194 U CN 201420703194U CN 204234690 U CN204234690 U CN 204234690U
- Authority
- CN
- China
- Prior art keywords
- tooth bar
- underframe
- frame plate
- driven roller
- mounting bracket
- 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
Landscapes
- Heat Treatment Of Articles (AREA)
Abstract
The utility model discloses a kind of withdrawal straightening machine, comprising: underframe; Upper frame, is arranged on described underframe upper end; Lift drive mechanism, is arranged on described upper frame; Mounting bracket, is connected with described driving mechanism; Driven roller, is installed in rotation on described mounting bracket; Free roll, is installed in rotation on described underframe, and correspondence is positioned at below described driven roller; Drive unit, is connected for driving described driven roller to rotate with described driven roller; Also comprise guider, described guider comprises the tooth bar be arranged on described underframe and the gear be arranged on described mounting bracket, and described gear and described tooth bar engage each other to guide described mounting bracket and be elevated under the driving of described lift drive mechanism.Withdrawal straightening machine of the present utility model has stable guide function, to strand carry out slighter compress correct time error less, and then ensure slab quality.
Description
Technical field
The utility model relates to a kind of withdrawal straightening machine, particularly a kind of withdrawal straightening machine with stable guide function.
Background technology
Along with market is to the raising of steel products quality requirement, smelting and rolling technique have also been obtained development.In continuous casting is produced, particularly generally all can there is the defect such as center segregation and center porosity in big cross section strand inside, totally unfavorable to follow-up further rolling processing, especially, after modern efficient continuous casting proposes, the technology being core with its high pulling rate also brings center segregation and loose further deterioration.The technology that conventional control continuous casting billet center segregation, center porosity produce has: solidification end soft reduction technique, the strong refrigeration technique of solidification end, cast cold technology, electromagnetic agitating technology etc.Wherein the most effective one is soft reduction technique.
Current domestic withdrawal straightening machine slighter compress device all has guider usually, and this guider is based on guide plate and slide plate guide frame, and this guidance mode there is guide plate and slide clearance adjusts difficulty, and the unbalance loading of drive unit causes slide plate serious wear.This guide frame changes slide plate difficulty, changes a cycle oversize, changes and can affect the normal work of withdrawal straightening machine not in time, affect slab quality.
Therefore, be necessary that providing a kind of has the withdrawal straightening machine can stablizing guiding slighter compress device, to overcome above-mentioned defect.
Utility model content
Problem to be solved in the utility model is, provides a kind of withdrawal straightening machine with stable guide function.
In order to solve the problem, the utility model provides a kind of withdrawal straightening machine, comprising: underframe; Upper frame, is arranged on described underframe upper end; Lift drive mechanism, is arranged on described upper frame; Mounting bracket, is connected with described lift drive mechanism; Driven roller, is installed in rotation on described mounting bracket; Free roll, is installed in rotation on described underframe, and correspondence is positioned at below described driven roller; Drive unit, is connected for driving described driven roller to rotate with described driven roller; Also comprise guider, described guider comprises the tooth bar be arranged on described underframe and the gear be arranged on described mounting bracket, and described gear and described tooth bar engage each other to guide described mounting bracket and be elevated under the driving of described lift drive mechanism.
As preferably, described underframe at least comprises base frame plate to be located at described base on parallel with two, it is two right that described tooth bar is at least, the often pair of described tooth bar is corresponding to be respectively located on two relative plate faces of frame plate described in two, described tooth bar is all arranged along the short transverse of described frame plate, and described gear is equal with the quantity of described tooth bar and arrange with described tooth bar one_to_one corresponding.
As preferably, described tooth bar is fixed on described underframe by installing rack, described installing rack at least comprises the first frame plate of strip, the length direction of described first frame plate is identical with the short transverse of described underframe, described tooth bar is provided with multiple installing hole along its length, is equipped with bolt to be fixed on described first frame plate by described tooth bar in described installing hole.
As preferably, described installing rack also comprises the second frame plate of the lower end being located at described first frame plate, described first frame plate length is longer than described tooth bar, described installing hole is slotted hole, its length direction is identical with the length direction of described first frame plate, described second frame plate offers screwed hole, is provided with the adjusting bolt abutting the height regulating described tooth bar with described tooth bar lower end in described screwed hole.
As preferably, described pinion rotation is located on synchronizing shaft, and described synchronizing shaft is located on bearing block, and described bearing block is installed on described mounting bracket by holder, has the gasket assembly for adjusting gear rack and gear centre distance between described bearing block and holder.
As preferably, described driven roller is water-cooled driven roller, and described free roll is water-cooled free roll, described upper frame is water-cooled upper frame, described underframe is water-cooled underframe, and described drive unit comprises the water-cooled machine and water-cooled decelerator that are connected, and described water-cooled decelerator is connected with described driven roller.
As preferably, described lift drive mechanism is hydraulic jack, and described mounting bracket is connected with the expansion link of described hydraulic jack.
The beneficial effect of withdrawal straightening machine of the present utility model is, change the guide frame being realized that by guide plate and slide plate mounting bracket is led of the prior art, then adopt the structure of rack-and-pinion to lead to mounting bracket, because the rack-and-pinion formula that is meshed is moved, therefore stability is higher, allow to as mounting bracket provides very stable guide function, especially need that slighter compress carries out to strand less to correct time error, the center segregation of strand inside, center porosity can be eliminated, optimize Inner Quality of Billet, and then ensure slab quality.
Accompanying drawing explanation
Fig. 1 is the front view of withdrawal straightening machine of the present utility model.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is that the A-A of Fig. 2 is to sectional view.
Fig. 4 is the partial enlarged drawing of Fig. 3, and the structure of guider part is wherein mainly shown.
Reference numeral:
1-base; 2-upper frame; 3-underframe; 4-hydraulic jack; 5-water-cooled machine; 6-water-cooled decelerator; 7-mounting bracket; 8-driven roller; 9-free roll; 11-tooth bar; 12-first frame plate; 13-second frame plate; 14-adjusting bolt; 15-installing hole; 16-gear; 17-synchronizing shaft; 18-bearing block; 19-holder; 20-frame plate; 21-toggle.
Detailed description of the invention
Be described in detail of the present utility model below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, the utility model discloses a kind of withdrawal straightening machine, comprising: underframe 3, upper frame 2, lift drive mechanism 4, mounting bracket 7, driven roller 8, free roll 9, drive unit and guider.This guider comprises the tooth bar 11 be arranged on underframe 3 and the gear 16 be arranged on mounting bracket 7, and this gear 16 and tooth bar 11 engage each other to guide mounting bracket 7 and be elevated under the driving of lift drive mechanism 4.
Particularly, in the present embodiment, this underframe 3 at least comprises base 1 frame plate 20 to be located at base 1 on parallel with two; Upper frame 2 is arranged on underframe 3 upper end, i.e. the upper end of two frame plates 20; Lift drive mechanism is arranged on upper frame 2, and the lift drive mechanism in the present embodiment is hydraulic jack 4; Mounting bracket 7 is connected with lift drive mechanism mounting bracket 7 can be moved up and down, and in the present embodiment, this mounting bracket 7 is connected with the expansion link of hydraulic jack 4; Driven roller 8 is installed in rotation on mounting bracket 7; Free roll 9 is installed in rotation on underframe 3 and correspondence is positioned at below driven roller 8, and it is specifically located on underframe 3 by turning cylinder; Drive unit is connected for driving driven roller 8 to rotate with driven roller 8, drive unit in the present embodiment comprises the water-cooled machine 5 and water-cooled decelerator 6 that are connected, water-cooled decelerator 6 is connected with driven roller 8, wherein this free roll 9 is not connected with any transmission mechanism, the frictional force between strand is only relied on to be rotated, certainly, the transmission mechanism of this free roll 9 also by being connected with drive unit obtains power, or adopts other form to obtain power; Preferably, the heat produced in the running due to withdrawal straightening machine is higher, in order to avoid, temperature is too high makes each equipment fault, upper frame 2 in the present embodiment is for having the water-cooled upper frame of water-cooling heat radiating system, underframe 3 is for having the water-cooled underframe of water-cooling heat radiating system, driven roller 8 is for having the water-cooled driven roller of water-cooling heat radiating system, and free roll 9 is for having the water-cooled free roll of water-cooling heat radiating system, and above-mentioned water-cooling heat radiating system can be and of the prior artly anyly can carry out the system of water-cooling for device.In addition, between mounting bracket 7 and drive unit, toggle 21 is installed.
Preferably, as shown in Figure 3 and Figure 4, it is two right that tooth bar 11 in the present embodiment is at least, this the often pair tooth bar 11 is corresponding to be respectively located on two relative plate faces of two frame plates 20, and each tooth bar 11 is all arranged along frame plate 20 short transverse, the quantity of gear 16 is equal with the quantity of tooth bar 11, and each gear 16 and each tooth bar 11 one_to_one corresponding are arranged.Certainly also can be arranged side by side multiple tooth bar 11 on frame plate 20, corresponding also needs arranges multiple gear 16 on mounting bracket 7.For better stationary rack 11, tooth bar 11 in the present embodiment is fixed on underframe 3 by installing rack, this installing rack at least comprises the first frame plate 12 of strip, the length direction of the first frame plate 12 is identical with the short transverse of underframe 3, tooth bar 11 is provided with multiple installing hole 15 along its length, is equipped with bolt to be fixed on the first frame plate 12 along the first frame plate 12 length direction by tooth bar 11 in installing hole 15.The structure of this installing rack is not fixed, and also can be other structure, or on frame plate 20, offers elongated slot be also fine.
Further, this installing rack also comprises the second frame plate 13 of the lower end being located at the first frame plate 12, in the present embodiment, the second frame plate 13 makes the first frame plate 12 and the second frame plate 13 form L-type with the first frame plate 12 lower end vertical connection, the length of this first frame plate 12 is longer than the length of tooth bar 11, installing hole 15 is preferably slotted hole, its length direction is identical with the length direction of the first frame plate 12, i.e. vertical second frame plate 13, second frame plate 13 offers screwed hole (not shown), the adjusting bolt 14 for adjusting gear rack 11 height abutted with tooth bar 11 lower end is provided with in this screwed hole, namely screwing out to change by the screw-in of adjusting bolt 14 makes tooth bar 11 can move up and down along the first frame plate 12 length direction to the thrust of tooth bar 11, its amount of movement is the length of above-mentioned slotted hole, this kind of adjustment can ensure that gear 16 can firmly engage with tooth bar 11, ensure that the height relationships of two tooth bars 11 is consistent simultaneously.Gear 16 in the present embodiment rotates to be located on synchronizing shaft 17, this synchronizing shaft 17 is located on bearing block 18, and bearing block 18 is fixed on mounting bracket 7 by holder 19, have for the gasket assembly (not shown) of adjusting gear rack 11 with gear 16 centre-to-centre spacing between its bottom bracket 18 and holder 19, gasket assembly can comprise various pad and be located at pad between bearing block 18 and holder 19, by adjusting kind and the quantity of pad, gear 16 and tooth bar 11 can be made to engage each other in optimum position, thus ensure fastness and the stability of guiding.
Withdrawal straightening machine in the present embodiment can arrange 3-9 component units and use, and can need any combination according to different casting blank sections and production technology.During Operational preparation, hydraulic jack 4 drives driven roller 8 to depress die casting dummy bar under cold base pressure, and drive unit drives driven roller 8 to reverse simultaneously, and dummy bar head is sent into crystallizer, when starting to pour into a mould, drive unit drives driven roller 8 to rotate forward and to be pulled straight by strand and to align, during normal casting, for different molten steel casting temperature, strand steel grade, casting blank specification, pulling rate, it is interval that cooling system correspond to different slighter compress, the withdrawal straightening machine that different slighter compress intervals then correspond to diverse location implements slighter compress action with different slighter compress pressure accurately to strand, guider is namely needed accurately driven roller 8 to be brought to strand rectification place, the segregation that is loose and easy enriched element of strand inside is controlled effectively, eliminate the center segregation of strand inside, center porosity, optimize Inner Quality of Billet, final production goes out high-quality strand.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can in essence of the present utility model and protection domain, and make various amendment or equivalent replacement to the utility model, this amendment or equivalent replacement also should be considered as dropping in protection domain of the present utility model.
Claims (7)
1. a withdrawal straightening machine, comprising:
Underframe;
Upper frame, is arranged on described underframe upper end;
Lift drive mechanism, is arranged on described upper frame;
Mounting bracket, is connected with described driving mechanism;
Driven roller, is installed in rotation on described mounting bracket;
Free roll, is installed in rotation on described underframe, and correspondence is positioned at below described driven roller;
Drive unit, is connected for driving described driven roller to rotate with described driven roller;
It is characterized in that,
Also comprise guider, described guider comprises the tooth bar be arranged on described underframe and the gear be arranged on described mounting bracket, and described gear and described tooth bar engage each other to guide described mounting bracket and be elevated under the driving of described lift drive mechanism.
2. withdrawal straightening machine according to claim 1, it is characterized in that, described underframe at least comprises base frame plate to be located at described base on parallel with two, it is two right that described tooth bar is at least, the often pair of described tooth bar is corresponding to be respectively located on two relative plate faces of frame plate described in two, described tooth bar is all arranged along the short transverse of described frame plate, and described gear is equal with described tooth bar quantity and arrange with described tooth bar one_to_one corresponding.
3. withdrawal straightening machine according to claim 2, it is characterized in that, described tooth bar is fixed on described underframe by installing rack, described installing rack at least comprises the first frame plate of strip, the length direction of described first frame plate is identical with the short transverse of described underframe, described tooth bar is provided with multiple installing hole along its length, is equipped with bolt to be fixed on described first frame plate by described tooth bar in described installing hole.
4. withdrawal straightening machine according to claim 3, it is characterized in that, described installing rack also comprises the second frame plate of the lower end being located at described first frame plate, described first frame plate length is longer than described tooth bar, described installing hole is slotted hole, its length direction is identical with the length direction of described first frame plate, and described second frame plate offers screwed hole, is provided with the adjusting bolt abutting the height regulating described tooth bar with described tooth bar lower end in described screwed hole.
5. withdrawal straightening machine according to claim 1, it is characterized in that, described pinion rotation is located on synchronizing shaft, described synchronizing shaft is located on bearing block, described bearing block is installed on described mounting bracket by holder, has the gasket assembly for adjusting gear rack and gear centre distance between described bearing block and holder.
6. withdrawal straightening machine according to claim 1, it is characterized in that, described driven roller is water-cooled driven roller, described free roll is water-cooled free roll, described upper frame is water-cooled upper frame, described underframe is water-cooled underframe, and described drive unit comprises the water-cooled machine and water-cooled decelerator that are connected, and described water-cooled decelerator is connected with described driven roller.
7. withdrawal straightening machine according to claim 1, is characterized in that, described lift drive mechanism is hydraulic jack, and described mounting bracket is connected with the expansion link of described hydraulic jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420703194.7U CN204234690U (en) | 2014-11-20 | 2014-11-20 | A kind of withdrawal straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420703194.7U CN204234690U (en) | 2014-11-20 | 2014-11-20 | A kind of withdrawal straightening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204234690U true CN204234690U (en) | 2015-04-01 |
Family
ID=52764242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420703194.7U Active CN204234690U (en) | 2014-11-20 | 2014-11-20 | A kind of withdrawal straightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204234690U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107913983A (en) * | 2017-12-22 | 2018-04-17 | 中冶京诚工程技术有限公司 | A kind of big cross section vertical casting machine drawing device |
| CN109226706A (en) * | 2018-10-10 | 2019-01-18 | 江苏联峰能源装备有限公司 | One kind preventing the inclined device of withdrawal straightening machine upper roller |
| CN110814310A (en) * | 2019-11-04 | 2020-02-21 | 宣化钢铁集团有限责任公司 | Leading guider of machine is rectified in drawing |
-
2014
- 2014-11-20 CN CN201420703194.7U patent/CN204234690U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107913983A (en) * | 2017-12-22 | 2018-04-17 | 中冶京诚工程技术有限公司 | A kind of big cross section vertical casting machine drawing device |
| CN107913983B (en) * | 2017-12-22 | 2023-09-15 | 中冶京诚工程技术有限公司 | Blank pulling device of large-section vertical continuous casting machine |
| CN109226706A (en) * | 2018-10-10 | 2019-01-18 | 江苏联峰能源装备有限公司 | One kind preventing the inclined device of withdrawal straightening machine upper roller |
| CN110814310A (en) * | 2019-11-04 | 2020-02-21 | 宣化钢铁集团有限责任公司 | Leading guider of machine is rectified in drawing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201140197Y (en) | Wire rod bar blooming mill apparatus | |
| CN205614026U (en) | Lip position mechanical adjustment device of rolling mill is cast to two rollers of horizontal | |
| CN204234690U (en) | A kind of withdrawal straightening machine | |
| CN101462121A (en) | Wire rod bar blooming mill | |
| CN101811136A (en) | Magnesium alloy wide plate casting-rolling equipment | |
| CN203397606U (en) | Continuous casting model system | |
| CN102228904B (en) | Novel twenty-roller cold-rolling mill | |
| CN201832970U (en) | Continuous-casting soft pressing device | |
| CN202045129U (en) | Novel twenty-roller cold rolling wire body | |
| DE102010007660B4 (en) | continuous casting machine | |
| CN101875056A (en) | Magnesium alloy wide plate three-roll casting-rolling mill | |
| CN202123101U (en) | Double-convexity-adjustor cold-rolling mill with twenty rolls | |
| CN216540186U (en) | Aluminum coil cold rolling device | |
| CN209886626U (en) | Memorial archway type withdrawal and straightening machine and small square billet continuous casting machine adopting same for pressing | |
| CN202192240U (en) | Independent rack clamp type withdrawal and straightening unit with upper and lower roller dual drive function | |
| CN205341846U (en) | Fan -shaped section location locking device of continuous slab casting | |
| CN204621036U (en) | A kind of cooling system of fan-shaped sections of slab continuous Continuous Casting Rolls outer support device | |
| US3550676A (en) | Pinch roll assembly for a continuous-casting machine | |
| CN204097313U (en) | A kind of ultra-thin glass edge machine | |
| CN203578392U (en) | Section mill guide | |
| CN215587810U (en) | Magnesium alloy casting molded wire rod drawing machine | |
| CN201603854U (en) | Seven-roll integral straightening and withdrawal machine | |
| CN202479226U (en) | Rolling mill inlet guide and guard device | |
| CN204052833U (en) | The strip feeding machine of metal tape is fed continuously in cast steel billet crystallizer | |
| CN205128877U (en) | Three quick -witted third -class slab caster production lines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |