CN102814975B - BOPVA multi-roll stretcher for unilaterally stretching sheets - Google Patents
BOPVA multi-roll stretcher for unilaterally stretching sheets Download PDFInfo
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- CN102814975B CN102814975B CN201210332685.0A CN201210332685A CN102814975B CN 102814975 B CN102814975 B CN 102814975B CN 201210332685 A CN201210332685 A CN 201210332685A CN 102814975 B CN102814975 B CN 102814975B
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Abstract
The invention discloses a BOPVA multi-roller stretcher for unilaterally stretching sheets. The BOPVA multi-roller stretcher for unilaterally stretching the sheets comprises a thermal insulation box (1), a transmission roller rack (7), transmission rollers (2), a hollow shaft (17), a rotary joint (18), a transmission chain wheel (16), an adjustment device and a transmission mechanism, wherein the transmission roller rack (7) is arranged in the thermal insulation box (1); the transmission rollers (2) are arranged on the transmission roller rack (7) and the axes of the transmission rollers are connected with the hollow shaft (17) and the rotary joint (18); the adjustment device is arranged on the transmission roller rack (7) and is located at the front stages of all the transmission rollers (2); and the transmission mechanism is connected with the transmission chain wheel (16) which is arranged on the hollow shaft (17). According to the stretcher, the 15 transmission rollers are used for stretching and conduction oil is used for heating in each transmission roller, so that the sheets are heated uniformly and stretched consistently; the multi-roller multipoint type longitudinal stretching is adopted, so that the sheets are internally and uniformly stressed and the stretching thickness is consistent; and no inner stretching pressure exists in the sheets, so that the stretching quality is ensured.
Description
Technical field
The present invention relates to a kind of stretched plastic film equipment, particularly relate to BOPVA simple tension sheet material multiple roll stretching-machine.
Background technology
At present, the domestic stretching-machine for unidirectional PVA stretched sheet is five-roller stretcher, this equipment is to the stretching of sheet material, than the stretching realizing sheet material by five-roller stretcher speed each other, this stretch form is that single-point single-line type stretches, five roller roller linear velocities are the same, and the degree of stretching is entirely by intensity and the draw ratio of sheet material itself, and the stretching of this form exists following shortcoming: 1, because stretched sheet is single-point single-line type; During sheet material stretching, stress is concentrated, and causes sheet material to have internal stress, causes sheet material stretching uneven thickness.2, the arrangement of sheet material crystal inside is uneven, and each point hot strength is different, causes film became uneven and intensity is different thus affect combination property in length and breadth in the biaxial orientation process of BOPVA afterwards.
Summary of the invention
In order to solve the problems of the prior art, the object of this invention is to provide a kind of sheet material stretching even, the BOPVA simple tension sheet material multiple roll stretching-machine that consistency of thickness, product are inherent and external quality is high.
For achieving the above object, the technology used in the present invention means are: BOPVA simple tension sheet material multiple roll stretching-machine, comprise incubator, live-roller frame, live-roller, hollow shaft, swivel joint, drive sprocket, adjusting device, transmission mechanism, described live-roller frame is arranged in incubator, described live-roller is arranged in live-roller frame, its axle center connects hollow shaft and swivel joint, and conduction oil enters roller inner by swivel joint and is convenient to heat to sheet plate upper and lower surface; Described adjusting device is arranged in live-roller frame, is positioned at all live-roller primes; Described transmission mechanism is mounted on the drive sprocket in hollow shaft.
Further, described live-roller arranges 15, and wherein seven live-rollers are arranged on live-roller upper rack, and eight live-rollers are arranged on live-roller frame lower, holds uniform intervals arrangement.
Further, described adjusting device comprises tune and deposits pressure roller, guide rail, sliding bearing, cylinder output shaft, wherein adjusts to deposit on pressure roller spindle nose and installs sliding bearing, and sliding bearing is by plain bearing housing at slide on rails, and described cylinder output shaft connects sliding bearing.
Further, before described incubator, be provided with actuating doors, be convenient to enter in incubator, carry out test run and maintenance process simulation.
Further, described transmission mechanism comprise reductor, the supporting plate of the sprocket wheel be arranged on speed reducer output shaft, fixing reductor.
Beneficial effect of the present invention is: adopt 15 live-rollers to stretch, each live-roller inside heat-conducting oil heating, make sheet material homogeneous heating, during stretching, sheet material stretching is consistent; Multiple roll multipoint mode longitudinal stretching, make the inner uniform force of sheet material stretching, stretched thickness is consistent; Pressure in the inner tensionless winkler foundation of sheet material, ensure that stretching quality.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical scheme of the present invention is described.
Fig. 1 is front view of the present invention;
Fig. 2 is top view of the present invention.
In figure: 1, incubator, 2, live-roller, 3, bearing block, 4, bearing plate, 5, fixed screw, 6, supporting square tube, 7, live-roller frame, 8, adjust and deposit pressure roller, 9, sliding bearing, 10, guide rail, 11, cylinder, 12, supporting plate, 13, reductor, 14, sprocket wheel, 15, chain, 16, drive sprocket, 17, hollow shaft, 18, swivel joint, 19, actuating doors.
Detailed description of the invention
BOPVA simple tension sheet material multiple roll stretching-machine as shown in Figure 1, 2, comprise incubator 1, live-roller frame 7, live-roller 2, hollow shaft 17, swivel joint 18, drive sprocket 16, adjusting device, transmission mechanism, described live-roller frame 7 is arranged in incubator 1, described live-roller 2 is arranged in live-roller frame 7, its axle center connects hollow shaft 17 and swivel joint 18, and conduction oil enters live-roller 2 inside by swivel joint 18 and is convenient to heat to sheet plate upper and lower surface; Described adjusting device is arranged in live-roller frame 7, is positioned at all live-roller 2 primes; Described transmission mechanism is mounted on the drive sprocket 16 in hollow shaft 17.
Further, described live-roller 2 arranges 15, and wherein seven live-rollers are arranged on live-roller frame 7 top, and eight live-rollers are arranged on live-roller frame 7 bottom, holds uniform intervals arrangement.
Further, described adjusting device comprises tune and deposits pressure roller 8, guide rail 10, sliding bearing 9, cylinder 11, wherein adjust to deposit on pressure roller 8 spindle nose and install sliding bearing 9, sliding bearing 9 is slided on guide rail 10 by plain bearing housing, and described cylinder 11 output shaft connects sliding bearing 9.
Further, described incubator 1 is provided with actuating doors 19 above, is convenient to enter in incubator, carries out test run and maintenance process simulation.
Further, described transmission mechanism comprise reductor 13, the supporting plate 12 of the sprocket wheel 14 be arranged on reductor 13 output shaft, fixing reductor 13.
The mechanical rotation of described 15 live-rollers 2 transmits drive sprocket 16 by reductor 13 output shaft upper sprocket wheel 14 by chain 15, and the hollow shaft 17 of described 15 live-rollers 2 is all equipped with drive sprocket 16.
Described 15 live-rollers 2 all connect swivel joint 18 by hollow shaft 17, enter live-roller 2 inner, be convenient to heat to sheet material upper and lower surface during heat conduction by swivel joint 18.
Insulation frame 1 inside be welded by channel-section steel is provided with the live-roller frame 7 be welded by square tube and gusset, described live-roller 2 two ends are arranged in bearing block 3, and being fixed on bearing plate 4 by fixed screw 5, described bearing plate 4 is welded in live-roller frame 7 upper support square tube 6.
Compared to the obstructed heat-conducting oil heating of existing five-roller stretcher roller inner, just one-point type stretches, below three rollers be drive roll, the above is two velamen action rollers, and driven roll compacted form is pneumatic, and sheet material compacted form is S type; Adopt 15 live-rollers to stretch, each live-roller inside heat-conducting oil heating, make sheet material homogeneous heating, during stretching, sheet material stretching is consistent; Multiple roll multipoint mode longitudinal stretching, make the inner uniform force of sheet material stretching, stretched thickness is consistent; Pressure in the inner tensionless winkler foundation of sheet material, ensure that stretching quality.
Claims (3)
1.BOPVA simple tension sheet material multiple roll stretching-machine, comprise incubator (1), live-roller frame (7), live-roller (2), described live-roller frame (7) is arranged in incubator (1), it is characterized in that: also comprise: hollow shaft (17), swivel joint (18), drive sprocket (16), adjusting device, transmission mechanism, described live-roller (2) is arranged in live-roller frame (7), and its axle center connects hollow shaft (17) and swivel joint (18); Described adjusting device is arranged in live-roller frame (7), is positioned at all live-rollers (2) prime; Described transmission mechanism is mounted on the drive sprocket (16) in hollow shaft (17); Described live-roller (2) arranges 15, and wherein seven live-rollers are arranged on live-roller frame (7) top, and eight live-rollers are arranged on live-roller frame (7) bottom, holds uniform intervals arrangement; Described adjusting device comprises tune and deposits pressure roller (8), guide rail (10), sliding bearing (9), cylinder (11), wherein adjust to deposit on pressure roller (8) spindle nose and sliding bearing (9) is installed, sliding bearing (9) is by plain bearing housing in the upper slip of guide rail (10), and described cylinder (11) output shaft connects sliding bearing (9).
2. according to the BOPVA simple tension sheet material multiple roll stretching-machine described in claim 1, it is characterized in that: described incubator (1) is provided with actuating doors (19) above.
3. according to the BOPVA simple tension sheet material multiple roll stretching-machine described in claim 1, it is characterized in that: described transmission mechanism comprises reductor (13), the supporting plate (12) of the sprocket wheel (14) be arranged on reductor (13) output shaft, fixing reductor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332685.0A CN102814975B (en) | 2012-09-11 | 2012-09-11 | BOPVA multi-roll stretcher for unilaterally stretching sheets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332685.0A CN102814975B (en) | 2012-09-11 | 2012-09-11 | BOPVA multi-roll stretcher for unilaterally stretching sheets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102814975A CN102814975A (en) | 2012-12-12 |
| CN102814975B true CN102814975B (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210332685.0A Active CN102814975B (en) | 2012-09-11 | 2012-09-11 | BOPVA multi-roll stretcher for unilaterally stretching sheets |
Country Status (1)
| Country | Link |
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| CN (1) | CN102814975B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144292B (en) * | 2013-03-20 | 2015-06-03 | 青岛江山旭机器制造有限公司 | Uniaxial PP (Polypropylene) plastic tension panel threading system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1133774A (en) * | 1994-12-12 | 1996-10-23 | 伊利诺斯工具制造公司 | Method and apparatus for producing oriented plastic strap, and strap produced thereby |
| CN200954682Y (en) * | 2006-01-26 | 2007-10-03 | 福建省中科盛华光电子有限公司 | Wet-drawing production apparatus for polarization diaphragm for liquidcrystal display |
-
2012
- 2012-09-11 CN CN201210332685.0A patent/CN102814975B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1133774A (en) * | 1994-12-12 | 1996-10-23 | 伊利诺斯工具制造公司 | Method and apparatus for producing oriented plastic strap, and strap produced thereby |
| CN200954682Y (en) * | 2006-01-26 | 2007-10-03 | 福建省中科盛华光电子有限公司 | Wet-drawing production apparatus for polarization diaphragm for liquidcrystal display |
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| Publication number | Publication date |
|---|---|
| CN102814975A (en) | 2012-12-12 |
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Effective date of registration: 20180125 Address after: 266000 Qingdao City, Jiaozhou City, Jiaozhou City, Jiabei Street office through two Road North Patentee after: Qingdao O Ray Teco Plastic Machinery Co., Ltd. Address before: 266101 Shandong province Qingdao high tech Industrial Development Zone entrepreneurship center 318-73 room Patentee before: Qingdao Jiangshanxu Machine Manufacturing Co., Ltd. |
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| TR01 | Transfer of patent right |