CN101787618B - Stretch bending roller-type hot rolling mill - Google Patents
Stretch bending roller-type hot rolling mill Download PDFInfo
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- CN101787618B CN101787618B CN200910232266.8A CN200910232266A CN101787618B CN 101787618 B CN101787618 B CN 101787618B CN 200910232266 A CN200910232266 A CN 200910232266A CN 101787618 B CN101787618 B CN 101787618B
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- bottom roll
- stretch bending
- position control
- oil cylinder
- roll
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Abstract
The invention relates to a stretch bending roller-type hot rolling mill, comprising a frame, a power device, a hydraulic device and further comprising a cylindrical upper roller and a cylindrical lower roller, wherein extension sections at two ends of the cylindrical lower roller are symmetrically equipped with stretch bending arms, the upper end of each stretch bending arm is characterized in that a bearing support is connected with bearing steps of the extension section of the lower roller via a pair of conical rolling bearings and the lower end thereof is movably connected with a body of a hydraulic oil cylinder and a piston rod via hinges respectively, and the hydraulic oil cylinder body is fixed to the frame; the cylinder rollers on the surface of the stretch bending roller device form 'middle height' under the action of bending torque M at two ends, and 'middle heights' with different accuracies can be achieved by adjusting the magnitude and the direction of the bending torque, thereby not only lowering the processing cost of the rollers, but also expanding the adaptability of the rollers to different materials.
Description
Technical field
The present invention relates to a kind of nonwoven fabric hot-rolling mill, specifically, is a kind of stretch bending roller-type hot rolling mill.
Background technology
Nonwoven fabric is fluffy owing to having, soft, light weight, the good characteristics such as nontoxic, dry and comfortable, in industries such as family expenses, medical treatment, buildings, be widely used, and the types such as its process unit melts and sprays, hot rolling, wherein hot-rolling mill is one of conventional equipment.Along with the quality requirement of nonwoven fabric is more and more high, such as 10 grams/every square metre of the more and more thin < of thickness, require without damaged, without cavity, without folding line etc., also more and more high to the performance requirement of hot-rolling mill, step by step to high accuracy, high-speed, full-automatic future development.Hot-rolling mill by processing technology requirement subnetting material, hot rolling, the rolling of nonwoven fabric, cut continuous productive process, the regulation and control of its precision index divide again Static and dynamic two kinds of situations, the outfit of the regulation device of hot-rolling mill and improvement are had higher requirement, general requirement is to improve stability, sensitivity and accuracy, such as the tension force of the temperature of roll, linear velocity, linear pressure, finished fabric, controls and net material, moulding, rolling, regulation and control between cutting etc. are all very meticulous and complicated processes.Also having distinct issues, how to make high accuracy in the surface of roll adapt with the thickness and precision of nonwoven fabric, should be worth further investigation, is mainly with advanced mature technology, original equipment to be undergone technological transformation.
In the hot rolling flow casting molding process of nonwoven fabric, there is thermoplastic material hot-rolled state in uneven thickness and thermoplastic material even thickness hot-rolled state, in order to guarantee that the even thickness degree of finished fabric must critically be processed into bottom roll " middle height ", also will adapt to the requirement of different materials to precision, its difficulty is sizable.Along with nonwoven thickness is more and more thin, particularly axially the uniformity is more and more high for even thickness degree, " middle height " precision of breaker roll is had higher requirement.Under normal conditions, " middle height " precision of roll is to utilize precision grinder to process, and this processing method difficulty is large, cost is high is difficult to again guarantee that " middle height " precision can meet the curtain coating characteristic requirements of thermoplastic material.
Summary of the invention
The present invention is to provide a kind of stretch bending roller-type hot rolling mill, solves bottom roll " middle height " precision problem.This stretch bending roller device is that the columniform roll in surface is formed to " middle height " through the effect of two auspicious curved moment M, and the size and Orientation of adjusting moment of flexure, can reach " the middle height " of different accuracy, so not only reduce the processing cost of roll but also expanded the adaptability of roll to different materials.
For reaching this object, the invention provides a kind of stretch bending roller-type hot rolling mill, comprise frame, power set, hydraulic means, a left side in frame, right wallboard is provided with topping roll and bottom roll successively, right stretch bending arm and Zola's curved boom are installed symmetrically on the extension of the two ends of bottom roll, the upper end of right stretch bending arm is that right bearing seat is connected with the bearing step of bottom roll extension with a pair of taper rolling bearing, its lower end is cylindrical hole, in this cylindrical hole, there is right adjusting screw mandrel, it is connected with right pull bar, its right hinge is flexibly connected with the piston rod of hydraulic jack, the upper end of Zola's curved boom is that left shaft holder is connected with the bearing step of bottom roll extension with a pair of taper rolling bearing, its lower end is cylindrical hole, in this cylindrical hole, be equipped with left adjusting screw mandrel, it is connected with left lever, with left hinge, be flexibly connected with the cylinder body of hydraulic jack again, inner side and side Fen Do at right stretch bending arm and Zola's curved boom are provided with position control.
Advantage of the present invention is: roll " middle height " precision can be regulated by pulling force size, in brief, and by the oil pressure of regulator solution compressing cylinder, with regard to " middle height " precision of adjustable bottom roll.
Working face as topping roll described in a modification of the present invention and bottom roll is all cylindrical or rectangle, and producer can select as required voluntarily.
Accompanying drawing explanation
Fig. 1, thermoplastic material hot-rolled state schematic diagram in uneven thickness;
Fig. 2, thermoplastic material even thickness hot-rolled state schematic diagram;
Fig. 3, stretch bending bottom roll device schematic diagram;
Fig. 4, stretch bending roller-type hot rolling mill sketch;
Fig. 5, right adjusting device sketch;
Fig. 6, left adjusting device sketch;
Fig. 7, oil cylinder are installed sketch;
Fig. 8, position control structure diagram;
1, frame; 2, topping roll right bearing seat; 3, bottom roll right bearing seat;
4, right stretch bending arm axle bearing; 5, right stretch bending arm; 6, right adjusting screw mandrel;
6-1, right locking nut; 7, right position control; 7-1, L-square;
7-2, hold-down nut; 7-3, hold out against double-screw bolt; 7-4, bolt;
7-5, screw; 7-6, add Strong muscle; 8, right oil cylinder;
9, right stayed mast; 10, hydraulic jack; 11, left stayed mast;
12, left oil cylinder; 13, left position control; 14, left adjusting screw mandrel;
14-1, left locking nut; 15, base; 16, Zola's curved boom;
17, bottom roll; 18, Zola's bent axle bearing; 19, bottom roll left shaft holder;
20, topping roll; 21, topping roll left shaft holder; 22, right side position control;
23, left side position control; 24, right hinge; 25, piston rod;
26, left hinge.
The specific embodiment
To closing drawings and Examples, the present invention is further illustrated below.
Referring to accompanying drawing 4 and accompanying drawing 7, a kind of stretch bending roller-type hot rolling mill of the present invention comprises frame 1, topping roll right bearing seat 2, bottom roll right bearing seat 3, right stretch bending arm axle bearing 4, right stretch bending arm 5, right adjusting screw mandrel 6, right position control 7, right oil cylinder 8, right stayed mast 9, hydraulic jack 10, left stayed mast 11, left oil cylinder 12, right position control 13, left adjusting screw mandrel 14, base 15, Zola's curved boom 16, bottom roll 17, Zola's bent axle bearing 18, bottom roll left shaft holder 19, topping roll 20, topping roll left shaft holder 21, described frame 1 comprises the right wallboard 1-1 of parallel upright, left wallboard 1-2 and horizontal support piece, and frame is fixed on base 15, topping roll right bearing seat 2 is fixedly mounted on that right wallboard 1-1 is upper and topping roll left shaft holder 21 is fixedly mounted on left wallboard 1-2, topping roll 20 is arranged in topping roll right bearing seat 2 and topping roll left shaft holder 21 with rolling bearing, and left end and the power set of topping roll 20 are connected, bottom roll right bearing seat 3 is arranged on that right wallboard 1-1 is upper and bottom roll left shaft holder 19 is arranged on left wallboard 1-2, right oil cylinder 8 is arranged on side under bottom roll right bearing seat 3, its piston rod can slide up and down bottom roll right bearing seat 3, roughly the same, left oil cylinder 12 is arranged on side under bottom roll left shaft holder 19, its piston rod can slide up and down bottom roll left shaft holder 19, bottom roll 17 is arranged in bottom roll right bearing seat 3 and bottom roll left shaft holder 19 with rolling bearing, and left end and the power set of bottom roll 17 are connected, the upper end of right stretch bending arm 5 is fixedly connected with right stretch bending arm axle bearing 4 and right stretch bending arm axle bearing 4 is connected with the bearing step of bottom roll 17 right-hand member extensions with a pair of taper rolling bearing, right stretch bending arm 5 lower ends are cylindrical holes, in this cylindrical hole, there is right adjusting screw mandrel 6, it is connected with right stayed mast 9, with right hinge 24, be flexibly connected with the piston rod 25 of hydraulic jack 10 again, roughly the same, the upper end of Zola's curved boom 16 is fixedly connected with Zola's bent axle bearing 18 and Zola's bent axle bearing 18 is connected with the bearing step of bottom roll 17 left end extensions with a pair of taper rolling bearing, the lower end of Zola's curved boom 16 is cylindrical holes, in this cylindrical hole, there is left adjusting screw mandrel 14, it is connected with left stayed mast 11, with left hinge 26, be flexibly connected with the cylinder body of hydraulic jack 10 again, hydraulic jack 10 is fixedly connected with frame 1 with bolt, inner side and side in the lower end of right stretch bending arm 5 are provided with right position control 7, right position control 7 is fixedly connected with base 15, roughly the same, the inner side of the lower end of Zola's curved boom 16 and side are provided with left position control 13, and left position control 13 is fixedly connected with base 15.
The degree of depth that regulates right adjusting screw mandrel 6 to be screwed into the degree of depth of right stayed mast 9 and regulate left adjusting screw mandrel 14 to be screwed into left stayed mast 11 is determined the position between right stretch bending arm 5 and Zola's curved boom 16 and center line with this, after its location positioning, with right locking nut 6-1, by right adjusting screw mandrel 6 lockings, with left locking nut 14-1, left adjusting screw mandrel 14 is locked.
Referring to Fig. 8, left position control 13 is identical with the structure of right position control 7, and right position control 7 comprises L-square 7-1, hold-down nut 7-2, holds out against double-screw bolt 7-3, bolt 7-4, screw 7-5, add Strong muscle 7-6; In the inner side of right stretch bending arm 5 and Zola's curved boom 16 and side installation site adjuster all, L-square 7-1 is arranged on base 15 with two bolt 7-4, then first hold-down nut 7-2 is screwed to and is held out against on double-screw bolt 7-3, facing to stretch bending arm surface, will hold out against double-screw bolt 7-3 is again screwed in screw 7-5, adjusting holds out against double-screw bolt 7-3 and makes itself and right stretch bending arm 5 Surface Contacts, after stretch bending arm location positioning, with hold-down nut 7-2, will hold out against double-screw bolt 7-3 tight.
When piston rod 25 indentation, with the strength that equates by stretch bending arm to center line towing.Known according to mechanics principle, on the extension of the two ends of bottom roll 17, produce that numerical value equates and the moment of flexure of opposite direction, due to the effect of moment of flexure, cylindrically become upper curved " ten " bending.Because the formed deflection value of bending becomes analogy relation with the size of value of thrust, as long as change the size of pulling force, just can obtain corresponding degree of disturbing value.In other words, " middle height " precision of roll can be regulated by pulling force size, in brief, and by the oil pressure of regulator solution compressing cylinder 10, with regard to " middle height " precision of adjustable bottom roll 17.
In hot-rolling mill running, oil pressure by regulator solution compressing cylinder 10 just can make bottom roll 17 form corresponding " middle height " value and also formation " concave " value thereupon of topping roll 20, to adapt to the curtain coating characteristic of relevant thermoplastic material, reach the uniform requirement of nonwoven thickness.
Claims (2)
1. a stretch bending roller-type hot rolling mill, comprise frame (1), power set, hydraulic means, it is characterized in that, a left side in frame (1), right wallboard is provided with topping roll (20) and bottom roll (17) successively, right stretch bending arm (5) and Zola's curved boom (16) are installed symmetrically on the two ends extension of bottom roll (17), the upper end of right stretch bending arm (5) is that right bearing seat (4) is connected with the bearing step of bottom roll (17) extension with a pair of taper rolling bearing, its lower end is cylindrical hole, in this cylindrical hole, there is right adjusting screw mandrel (6), it is connected with right stayed mast (9), its right hinge (24) is flexibly connected with the piston rod (25) of hydraulic jack (10), the upper end of Zola's curved boom (16) is that left shaft holder (18) is connected with the bearing step of bottom roll (17) extension with a pair of taper rolling bearing, its lower end is cylindrical hole, in this cylindrical hole, be equipped with left adjusting screw mandrel (14), it is connected with left stayed mast (11), with left hinge (26), be flexibly connected with the cylinder body of hydraulic jack (10) again, inner side and side at right stretch bending arm (5) are separately installed with right position control (7), inner side and side at Zola's curved boom (16) are separately installed with left position control (13), right position control (7) is fixedly connected with base (15), left position control (13) is fixedly connected with base (15), left position control (13) is identical with the structure of right position control (7), right position control (7) comprises L-square (7-1), hold-down nut (7-2), hold out against double-screw bolt (7-3), bolt (7-4), screw (7-5), add Strong muscle (7-6), it is upper that L-square (7-1) is arranged on base (15) by bolt (7-4), and hold-down nut (7-2) is threadedly connected to and holds out against double-screw bolt (7-3), facing to holding out against double-screw bolt (7-3) described in stretch bending arm surface, is screwed in screw (7-5),
Also comprise bottom roll right bearing seat (3), bottom roll left shaft holder (19), right oil cylinder (8), left oil cylinder (12), right oil cylinder (8) is arranged on the below of bottom roll right bearing seat (3), the piston rod of right oil cylinder (8) can slide up and down bottom roll right bearing seat (3), left oil cylinder (12) is arranged on the below of bottom roll left shaft holder (19), and the piston rod of left oil cylinder (12) can slide up and down bottom roll left shaft holder (19).
2. according to a kind of stretch bending roller-type hot rolling mill of claim 1, it is characterized in that, the working face of described topping roll (20) and bottom roll (17) is all cylindrical or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910232266.8A CN101787618B (en) | 2009-12-10 | 2009-12-10 | Stretch bending roller-type hot rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910232266.8A CN101787618B (en) | 2009-12-10 | 2009-12-10 | Stretch bending roller-type hot rolling mill |
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| Publication Number | Publication Date |
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| CN101787618A CN101787618A (en) | 2010-07-28 |
| CN101787618B true CN101787618B (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910232266.8A Active CN101787618B (en) | 2009-12-10 | 2009-12-10 | Stretch bending roller-type hot rolling mill |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104354516B (en) * | 2014-11-03 | 2017-02-22 | 常州市武进广宇花辊机械有限公司 | point-to-point embossing device |
| CN110499580A (en) * | 2019-08-29 | 2019-11-26 | 王本春 | A kind of geotextiles production automation processing unit (plant) |
| CN110565271B (en) * | 2019-09-20 | 2020-07-07 | 浙江嘉瑞过滤科技有限公司 | Hot pressing equipment of non-woven fabrics |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3442109A (en) * | 1964-07-31 | 1969-05-06 | Nouvell Spidem Soc | Rolling mills |
| US3528273A (en) * | 1965-07-12 | 1970-09-15 | Loewy Eng Co Ltd | Rolling mill with roll-deflecting attachment |
| DE1652557A1 (en) * | 1968-02-27 | 1971-04-15 | Siemag Siegener Maschb Gmbh | Support roll back-bending device for rolling mills |
| US4605366A (en) * | 1983-02-10 | 1986-08-12 | Sulzer-Escher Wyss Ag | Calender for pressure and thermal treatment of material webs |
| DE19520479A1 (en) * | 1994-06-23 | 1996-01-04 | Kuesters Eduard Maschf | Calendering rolls maintain controlled, even gap, over full thermoplastic sheet width |
| DE20103034U1 (en) * | 2001-02-20 | 2002-07-04 | Kuesters Eduard Maschf | calender |
| WO2009118117A1 (en) * | 2008-03-27 | 2009-10-01 | Sms Siemag Ag | Roll stand |
| CN201605414U (en) * | 2009-12-10 | 2010-10-13 | 余克 | Stretch bending roller-type hot rolling mill |
-
2009
- 2009-12-10 CN CN200910232266.8A patent/CN101787618B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3442109A (en) * | 1964-07-31 | 1969-05-06 | Nouvell Spidem Soc | Rolling mills |
| US3528273A (en) * | 1965-07-12 | 1970-09-15 | Loewy Eng Co Ltd | Rolling mill with roll-deflecting attachment |
| DE1652557A1 (en) * | 1968-02-27 | 1971-04-15 | Siemag Siegener Maschb Gmbh | Support roll back-bending device for rolling mills |
| US4605366A (en) * | 1983-02-10 | 1986-08-12 | Sulzer-Escher Wyss Ag | Calender for pressure and thermal treatment of material webs |
| DE19520479A1 (en) * | 1994-06-23 | 1996-01-04 | Kuesters Eduard Maschf | Calendering rolls maintain controlled, even gap, over full thermoplastic sheet width |
| DE20103034U1 (en) * | 2001-02-20 | 2002-07-04 | Kuesters Eduard Maschf | calender |
| WO2009118117A1 (en) * | 2008-03-27 | 2009-10-01 | Sms Siemag Ag | Roll stand |
| CN201605414U (en) * | 2009-12-10 | 2010-10-13 | 余克 | Stretch bending roller-type hot rolling mill |
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| CN101787618A (en) | 2010-07-28 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CHANGZHOU WUJIN GUANGYU EMBOSSING ROLLER MACHINERY Free format text: FORMER OWNER: YU KE Effective date: 20130520 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 213161 CHANGZHOU, JIANGSU PROVINCE TO: 213162 CHANGZHOU, JIANGSU PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20130520 Address after: 213162 Hutang, Changzhou, Wujin District, town, Changhong village, South Road, No. 2 Applicant after: Changzhou Wujing Guangyu Embossing Roller Machinery Co., Ltd. Address before: 213161 Hutang Ma Hang street, Wujin District, Jiangsu, Changzhou Applicant before: Yu Ke |
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