CN101428299A - Short stress path molding mill - Google Patents
Short stress path molding mill Download PDFInfo
- Publication number
- CN101428299A CN101428299A CNA2008102246231A CN200810224623A CN101428299A CN 101428299 A CN101428299 A CN 101428299A CN A2008102246231 A CNA2008102246231 A CN A2008102246231A CN 200810224623 A CN200810224623 A CN 200810224623A CN 101428299 A CN101428299 A CN 101428299A
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- Prior art keywords
- slide block
- bearing block
- bore hole
- rolling mill
- thrust baffle
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- 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.)
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- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention discloses a short stress path rolling mill, which is a plane self-alignment device comprising a bearing seat bore hole, a thrust baffle bore hole, a left hinge comprising a left spherical slider and a left slider, a right hinge comprising a right spherical slider and a right slider, an adjusting nut, a locknut and the like. The short stress path rolling mill can realize self-alignment of a bearing seat in the case of deflection of a roller during rolling process, so as to effectively improve the load conditions of a roller bearing, prolong the service life of the roller bearing and improve the operating rate of the mill. Moreover, the short stress path rolling mill effectively improves the load conditions between a sliding chute and a positioning upright post of the bearing, so as to improve the positioning accuracy of the roller during rolling, improve the performance of the short stress path rolling mill, and further improve the quality and the yield of the production line product.
Description
Technical field
The present invention relates to a kind of profile-forming machine, relate in particular to a kind of short stress path rolling mill.
Background technology
In iron and steel small material and wire production, extensively adopt short stress path rolling mill.In the line milling train of the prior art, the bearing block of two rolls links by pull bar up and down.
There is following shortcoming at least in above-mentioned prior art:
The roll axial float is overproof, has influenced the size and shape tolerance of product, and the roll bearing damage is too fast, does not reach the requirement in service life.
Summary of the invention
The purpose of this invention is to provide a kind of short stress path rolling mill that can alleviate roll axial float and roll bearing long service life.
The objective of the invention is to be achieved through the following technical solutions:
Short stress path rolling mill of the present invention comprises roll, and the end of described roll is provided with bearing block, it is characterized in that, the outer face of described bearing block is fixed with thrust baffle, forms chute between described bearing block and the thrust baffle, and the location column is inserted in the described chute;
Be respectively equipped with bearing block bore hole and thrust baffle bore hole in described bearing block and the described thrust baffle, described bearing block bore hole is corresponding with the position of thrust baffle bore hole;
Left side sphere slide block and left slider coincide by sphere; Right sphere slide block and right slide block coincide by sphere;
Described left slider and described right slide block are inserted into respectively in described bearing block bore hole and the described thrust baffle bore hole; Described left sphere slide block and described right sphere slide block are pressed on respectively on the column of described location, and sliding-contact;
Leave the gap respectively between described left slider and described right slide block and the described location column; Leave the gap respectively between described bearing block and described thrust baffle and the described location column.
As seen from the above technical solution provided by the invention, short stress path rolling mill of the present invention is because left sphere slide block and left slider and right sphere slide block and right slide block form left and right hinge respectively; A left side sphere slide block and right sphere slide block respectively with location column sliding-contact; Leave the gap respectively between left slider, right slide block, bearing block and thrust baffle and the location column.When roll bending is out of shape, bearing block both can allow relative slide displacement with the location between the column, can allow relative pendulum angle again, thereby the wearing and tearing that can avoid the rigidity effect between roll bearing and each support component to produce can effectively alleviate the axial float of roll, the service life of prolongation roll bearing.
Description of drawings
Fig. 1 is the facade structures schematic diagram of short stress path rolling mill of the present invention;
Fig. 2 is the side structure schematic diagram of short stress path rolling mill of the present invention;
Fig. 3 is that A-A of Fig. 2 is to the section enlarged diagram.
Among the figure: 1-bearing block, 2-positioning vertical column, 3-adjusting nut, 4-locking nut, 5-lower margin, 6-baffle plate joint bolt, 7-thrust baffle, 8-left elastic support ring 9-left elastic washer, 10-Left-wing Federation connects screw 11-left slider gap 12-left sphere slide block 13-left slider 14-bearing block bore hole 15-right elastic support ring 16-thrust baffle bore hole 17-right sphere slide block 18-right slide block 19-right elastic washer 20-right joint bolt 21-right space of slider 31-roll 32-pull bar
The specific embodiment
Short stress path rolling mill of the present invention, its preferable specific embodiment as shown in Figure 1 and Figure 2, comprise roll 31, the end of roll 31 is provided with bearing block 1, roll 31 can be two, comprise topping roll, bottom roll, can connect by pull bar 32 between the bearing block of topping roll and the bearing block of bottom roll.Roll 31 also can have many as required.
As Fig. 2, shown in Figure 3, the outer face of bearing block 1 is fixed with thrust baffle 7, form chute between bearing block 1 and the thrust baffle 7, location column 2 is inserted in the chute, specifically can between the both sides of bearing block 1 and thrust baffle 7, be formed with chute respectively, location column 2 is provided with two, is inserted into respectively in the chute of bearing block 1 both sides.
Be respectively equipped with bearing block bore hole 14 and thrust baffle bore hole 16 in bearing block 1 and the thrust baffle 7, bearing block bore hole 14 is corresponding with the position of thrust baffle bore hole 16.
Left side sphere slide block 12 coincide by sphere with left slider 13; Right sphere slide block 17 coincide by sphere with right slide block 18, can form hinge by to the spherical rotation of coincideing between left sphere slide block 12 and the left slider 13 and between right sphere slide block 17 and the right slide block 18.Left slider 13 and right slide block 18 are inserted into respectively in bearing block bore hole 14 and the thrust baffle bore hole 16.
Wherein, left sphere slide block 12 and right sphere slide block 17 are pressed on respectively on the column 2 of location, and sliding-contact, can slide relatively; Sliding-contact between the diapire of the end face of sliding-contact and right slide block 18 and thrust baffle bore hole 16 can be slided relatively between the diapire of the end face of left slider 13 and bearing block bore hole 14.Like this, the axial force of bearing block 1 both can act on the column 2 of location by left slider 13 and left sphere slide block 12 and right slide block 18 and right sphere slide block 17, and bearing block 1 can allow a certain amount of relative slip and swing again with locating between the column 2.
Can leave the gap respectively between left slider 13 and right slide block 18 and the location column 2; Also can leave the gap respectively between bearing block 1 and thrust baffle 7 and the location column 2, make things convenient for bearing block 1 and the relative swing of locating between the column 2.
Also can leave the gap between the sidewall of the side of left slider 13 and bearing block bore hole 14, and in this gap, be provided with elastic support ring; Equally, also can leave the gap between the side of right slide block 18 and the sidewall of thrust baffle bore hole 16, and in this gap, be provided with elastic support ring, both can make things convenient for the relative swing between the column 2 of bearing block 1 and location, and make again and reach Elastic Contact between right slide block 18 and the thrust baffle 7 between left slider 13 and the bearing block 1.
Left side sphere slide block 12 is provided with screwed hole, and corresponding left slider 13 is provided with through hole, can be between left sphere slide block 12 and the left slider 13 by screw and elastic washer resilient connection, and leave the gap between the through hole on this screw and the left slider 12; Equally, right sphere slide block 17 is provided with screwed hole, and corresponding right slide block 18 is provided with through hole, by screw and elastic washer resilient connection, and leaves the gap between the through hole on this screw and the right slide block 12 between right sphere slide block 17 and the right slide block 18.Both can make between left sphere slide block 12 and the left slider 13 and right sphere slide block 17 and right slide block 18 between be connected as a wholely, making again has certain elasticity activity between the two, make things convenient for the swing of bearing block.
The position of the corresponding thrust baffle bore hole 16 in thrust baffle 7 outsides can be provided with adjusting nut 3, and adjusting nut 3 is used to regulate the pressure between described right slide block 18, right sphere slide block 17 and the location column 2.Can be provided with locking nut 4 on the adjusting nut 3.
Below in conjunction with drawings and Examples the present invention is described further:
Again referring to Fig. 1, Fig. 2, Fig. 3, roll 31 two ends of short stress path rolling mill are provided with plane self-alignment device, comprise that specifically bearing block 1, location column 2, adjusting nut 3, locking nut 4, lower margin 5, baffle plate joint bolt 6, thrust baffle 7, left elastic support ring 8, left elastic washer 9, the Left-wing Federation connect screw 10, left sphere slide block 12, left slider 13, bearing block bore hole 14, right elastic support ring 15, thrust baffle bore hole 16, right sphere slide block 17, right slide block 18, right elastic washer 19, right joint bolt 20 etc.
Left side hinge inserts in the bearing block bore hole 14 by the left elastic support ring 8 that is enclosed within on the left slider 13, and the left slider 13 in the left hinge forms a left side with bearing block 1 and is slidingly connected;
Right hinge inserts in the thrust baffle bore hole 16 by the right elastic support ring 15 that is enclosed within on the right slide block 18, and the right slide block 18 in the right hinge forms the right side with adjusting nut 3 and is slidingly connected; Adjusting nut 3 forms with thrust baffle 7 and is threaded; Locking nut 4 forms locking with adjusting nut 3 and is connected.
In the short stress path rolling mill of the present invention, left hinge, right hinge, location column and bearing block chute have constituted the plane self-alignment device of this short stress path rolling mill, are the core apparatus in the similar milling train.The self-alignment performance of bearing block when can be implemented in roll deflection has been improved the stand under load situation of roll bearing effectively, thus the service life of having improved roll bearing, and then improved the operating rate of milling train; And can improve bearing block chute and the location stand under load situation between the column effectively, thus roll and the bearing arrangement positioning accuracy when rolling improved, and then improved the performance of short stress path rolling mill, thus the quality and the output of Rolling Production line products improved.
The above; only for the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (7)
1, a kind of short stress path rolling mill comprises roll, and the end of described roll is provided with bearing block, it is characterized in that, the outer face of described bearing block is fixed with thrust baffle, forms chute between described bearing block and the thrust baffle, and the location column is inserted in the described chute;
Be respectively equipped with bearing block bore hole and thrust baffle bore hole in described bearing block and the described thrust baffle, described bearing block bore hole is corresponding with the position of thrust baffle bore hole;
Left side sphere slide block and left slider coincide by sphere; Right sphere slide block and right slide block coincide by sphere;
Described left slider and described right slide block are inserted into respectively in described bearing block bore hole and the described thrust baffle bore hole; Described left sphere slide block and described right sphere slide block are pressed on respectively on the column of described location, and sliding-contact;
Leave the gap respectively between described left slider and described right slide block and the described location column; Leave the gap respectively between described bearing block and described thrust baffle and the described location column.
2, short stress path rolling mill according to claim 1, it is characterized in that, sliding-contact between the diapire of the end face of described left slider and described bearing block bore hole leaves the gap between the sidewall of the side of described left slider and described bearing block bore hole, and be provided with elastic support ring in this gap;
Sliding-contact between the diapire of the end face of described right slide block and described thrust baffle bore hole leaves the gap between the sidewall of the side of described right slide block and described thrust baffle bore hole, and be provided with elastic support ring in this gap.
3, short stress path rolling mill according to claim 1 and 2, it is characterized in that, described left sphere slide block is provided with screwed hole, corresponding described left slider is provided with through hole, by screw and elastic washer resilient connection, and leave the gap between the through hole on this screw and the described left slider between described left sphere slide block and the described left slider;
Described right sphere slide block is provided with screwed hole, and corresponding described right slide block is provided with through hole, by screw and elastic washer resilient connection, and leaves the gap between the through hole on this screw and the described right slide block between described right sphere slide block and the described right slide block.
4, short stress path rolling mill according to claim 1, it is characterized in that, the position of the corresponding thrust baffle bore hole in the described thrust baffle outside is provided with adjusting nut, and described adjusting nut is used to regulate the pressure between described right slide block, right sphere slide block and the location column.
5, short stress path rolling mill according to claim 4 is characterized in that, described adjusting nut is provided with locking nut.
6, short stress path rolling mill according to claim 1 is characterized in that, is formed with chute respectively between the both sides of described bearing block and the described thrust baffle, and described location column has two, is inserted into respectively in the chute of described bearing block both sides.
7, short stress path rolling mill according to claim 1 is characterized in that, described roll comprises topping roll, bottom roll, connects by pull bar between the bearing block of described topping roll and the bearing block of bottom roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102246231A CN101428299B (en) | 2008-10-21 | 2008-10-21 | Short stress path molding mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102246231A CN101428299B (en) | 2008-10-21 | 2008-10-21 | Short stress path molding mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101428299A true CN101428299A (en) | 2009-05-13 |
| CN101428299B CN101428299B (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102246231A Expired - Fee Related CN101428299B (en) | 2008-10-21 | 2008-10-21 | Short stress path molding mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101428299B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101690942A (en) * | 2009-06-03 | 2010-04-07 | 无锡瑞佳精机有限公司 | Modified bearing block axial fixing plate |
| CN102247984A (en) * | 2011-06-29 | 2011-11-23 | 北京京诚瑞信长材工程技术有限公司 | Short-stress wire rolling mill |
| WO2012155851A1 (en) * | 2011-05-18 | 2012-11-22 | 合肥市百胜科技发展股份有限公司 | Rolling mill bearing positioning device |
| CN104889156A (en) * | 2015-06-03 | 2015-09-09 | 中冶华天南京工程技术有限公司 | Bars reducing and sizing mill |
| CN105834221A (en) * | 2016-05-13 | 2016-08-10 | 中冶华天工程技术有限公司 | Chuck type axial-moving-prevention device |
| CN107377626A (en) * | 2017-07-25 | 2017-11-24 | 马鞍山市银鼎机械制造有限公司 | A kind of pull bar assembling structure of milling train |
-
2008
- 2008-10-21 CN CN2008102246231A patent/CN101428299B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101690942A (en) * | 2009-06-03 | 2010-04-07 | 无锡瑞佳精机有限公司 | Modified bearing block axial fixing plate |
| WO2012155851A1 (en) * | 2011-05-18 | 2012-11-22 | 合肥市百胜科技发展股份有限公司 | Rolling mill bearing positioning device |
| CN102247984A (en) * | 2011-06-29 | 2011-11-23 | 北京京诚瑞信长材工程技术有限公司 | Short-stress wire rolling mill |
| CN102247984B (en) * | 2011-06-29 | 2013-08-14 | 北京京诚瑞信长材工程技术有限公司 | Short-stress wire rolling mill |
| CN104889156A (en) * | 2015-06-03 | 2015-09-09 | 中冶华天南京工程技术有限公司 | Bars reducing and sizing mill |
| CN105834221A (en) * | 2016-05-13 | 2016-08-10 | 中冶华天工程技术有限公司 | Chuck type axial-moving-prevention device |
| CN107377626A (en) * | 2017-07-25 | 2017-11-24 | 马鞍山市银鼎机械制造有限公司 | A kind of pull bar assembling structure of milling train |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101428299B (en) | 2011-01-12 |
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Granted publication date: 20110112 Termination date: 20111021 |