CN202911138U - Multi-roller stretching machine for stretching sheets unidirectionally - Google Patents
Multi-roller stretching machine for stretching sheets unidirectionally Download PDFInfo
- Publication number
- CN202911138U CN202911138U CN 201220458843 CN201220458843U CN202911138U CN 202911138 U CN202911138 U CN 202911138U CN 201220458843 CN201220458843 CN 201220458843 CN 201220458843 U CN201220458843 U CN 201220458843U CN 202911138 U CN202911138 U CN 202911138U
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- roller
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- sheet material
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Abstract
The utility model discloses a multi-roller stretching machine for stretching sheets unidirectionally. The multi-roller stretching machine comprises a heat-insulating box (1), a driving roller machine frame (7), driving rollers (2), hollow shafts (17), rotary joints (18), driving sprockets (16), an adjusting device and a driving mechanism, wherein the driving roller machine frame (7) is mounted in the heat-insulating box (1); the driving rollers (2) are mounted on the driving roller machine frame (7); the axes of the driving rollers (2) are connected with the hollow shafts (17) and the rotary joints (18); the adjusting device is mounted on the driving roller machine frame (7) and is positioned at the preceding stage of all the driving rollers (2); and the driving mechanism is connected with the driving sprockets (16) mounted on the hollow shafts (17). The multi-roller stretching machine adopts 15 driving rollers to stretch and each driving roller is heated by heat-conducting oil, so that that the sheets are heated uniformly and stretched consistently; multi-roller multi-point longitudinal stretching is adopted, so that the sheets are internally stressed uniformly and the stretching thickness is consistent; and no stretching internal pressure exists in the sheets, so that the stretching quality is guaranteed.
Description
Technical field
The utility model relates to a kind of stretched plastic film equipment, relates in particular to BOPVA simple tension sheet material multiple roll stretching-machine.
Background technology
At present, domestic stretching-machine for unidirectional PVA stretched sheet is five-roller stretcher, this equipment is to the stretching of sheet material, it is the stretching that recently realizes sheet material by five-roller stretcher speed each other, this stretching form is that the single-point single-line type stretches, five roller roller linear velocities are the same, and by intensity and the draw ratio of sheet material itself, there is following shortcoming in the stretching of this form to the degree of stretching entirely: 1, because stretched sheet is the single-point single-line type; Stress is concentrated during sheet material stretching, causes sheet material that internal stress is arranged, and causes the sheet material stretching uneven thickness.2, the sheet material crystal inside is arranged unevenly, and the each point hot strength is different, thereby causes afterwards film became uneven and the different combination property that affects of intensity in length and breadth in the biaxial orientation process of BOPVA.
Summary of the invention
In order to solve the problems of the prior art, it is even that the purpose of this utility model provides a kind of sheet material stretching, the simple tension sheet material multiple roll stretching-machine that consistency of thickness, product inherence and external quality are high.
For achieving the above object, the technological means that the utility model adopts is: 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 installed in the incubator, described live-roller is installed on the live-roller frame, its axle center connects hollow shaft and swivel joint, and conduction oil enters roller inside by swivel joint and is convenient to heat to sheet plate upper and lower surface; Described adjusting device is installed on the live-roller frame, is positioned at all live-roller primes; Described transmission mechanism is mounted on the drive sprocket on the hollow shaft.
Further, described live-roller arranges 15, and wherein seven live-rollers are installed in the live-roller upper rack, and eight live-rollers are installed in the live-roller frame lower, holds evenly to be spaced.
Further, described adjusting device comprises transferring deposits pressure roller, guide rail, sliding bearing, cylinder, wherein transfers to deposit on the pressure roller spindle nose sliding bearing is installed, and sliding bearing slides at guide rail by plain bearing housing, and described cylinder output shaft connects sliding bearing.
Further, described incubator front is provided with actuating doors, is convenient to enter in the incubator, carries out test run and maintenance and maintenance.
Further, described transmission mechanism comprise reductor, be installed in sprocket wheel on the speed reducer output shaft, the fixing supporting plate of reductor.
The beneficial effects of the utility model are: adopt 15 live-rollers to stretch, each live-roller is inner uses heat-conducting oil heating, so that the sheet material homogeneous heating, sheet material stretching is consistent during stretching; Multiple roll multipoint mode longitudinal stretching makes sheet material stretching inner stressed evenly, the stretching consistency of thickness; Sheet material inside has guaranteed the stretching quality without the stretching internal pressure.
Description of drawings
Below in conjunction with accompanying drawing the technical solution of the utility model is described.
Fig. 1 is front view of the present utility model;
Fig. 2 is top view of the present utility model.
Among the figure: 1, incubator, 2, live-roller, 3, bearing block, 4, bearing plate, 5, fixed screw, 6, supporting square tube, 7, the live-roller frame, 8, transfer and to 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.
The specific embodiment
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 installed in the incubator 1, described live-roller 2 is installed on the 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 installed on the live-roller frame 7, is positioned at all live-roller 2 primes; Described transmission mechanism is mounted on the drive sprocket 16 on the hollow shaft 17.
Further, described live-roller 2 arranges 15, and wherein seven live-rollers are installed in live-roller frame 7 tops, and eight live-rollers are installed in live-roller frame 7 bottoms, holds evenly to be spaced.
Further, described adjusting device comprises transferring deposits pressure roller 8, guide rail 10, sliding bearing 9, cylinder 11, wherein transfer to deposit sliding bearing 9 is installed on pressure roller 8 spindle noses, sliding bearing 9 slides at guide rail 10 by plain bearing housing, and described cylinder 11 output shafts connect sliding bearing 9.
Further, described incubator 1 front is provided with actuating doors 19, is convenient to enter in the incubator, carries out test run and maintenance and maintenance.
Further, described transmission mechanism comprise reductor 13, be installed in sprocket wheel 14 on reductor 13 output shafts, the fixing supporting plate 12 of reductor 13.
The mechanical rotation of described 15 live-rollers 2 is transmitted drive sprocket 16 by reductor 13 output shaft upper sprocket wheels 14 by chain 15, on the hollow shaft 17 of described 15 live-rollers 2 drive sprocket 16 is housed all.
Described 15 live-rollers 2 all connect swivel joint 18 by hollow shaft 17, enter live-roller 2 inside by swivel joint 18 during heat conduction, are convenient to heat to the sheet material upper and lower surface.
Insulation frame 1 inside that is welded by channel-section steel is provided with the live-roller frame 7 that is welded by square tube and gusset, described live-roller 2 two ends are installed in the bearing block 3, and be fixed on the bearing plate 4 by fixed screw 5, described bearing plate 4 is welded on the live-roller frame 7 upper support square tubes 6.
Than the inner obstructed heat-conducting oil heating of existing five-roller stretcher roller, just one-point type stretches, below three rollers be drive roll, the above is two velamen action rollers, the driven roll compacted form is pneumatic, the sheet material compacted form is the S type; Adopt 15 live-rollers to stretch, each live-roller is inner uses heat-conducting oil heating, so that the sheet material homogeneous heating, sheet material stretching is consistent during stretching; Multiple roll multipoint mode longitudinal stretching makes sheet material stretching inner stressed evenly, the stretching consistency of thickness; Sheet material inside has guaranteed the stretching quality without the stretching internal pressure.
Claims (5)
1. simple tension sheet material multiple roll stretching-machine, comprise incubator (1), live-roller frame (7), live-roller (2), described live-roller frame (7) is installed in the 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 installed on the live-roller frame (7), and its axle center connects hollow shaft (17) and swivel joint (18); Described adjusting device is installed on the live-roller frame (7), is positioned at all live-rollers (2) prime; Described transmission mechanism is mounted on the drive sprocket (16) on the hollow shaft (17).
2. simple tension sheet material multiple roll stretching-machine according to claim 1, it is characterized in that: described live-roller (2) arranges 15, wherein seven live-rollers are installed in live-roller frame (7) top, and eight live-rollers are installed in live-roller frame (7) bottom, hold evenly to be spaced.
3. simple tension sheet material multiple roll stretching-machine according to claim 1, it is characterized in that: described adjusting device comprises transferring deposits pressure roller (8), guide rail (10), sliding bearing (9), cylinder (11), wherein transfer to deposit on pressure roller (8) spindle nose sliding bearing (9) is installed, sliding bearing (9) slides at guide rail (10) by plain bearing housing, and described cylinder (11) output shaft connects sliding bearing (9).
4. simple tension sheet material multiple roll stretching-machine according to claim 1, it is characterized in that: described incubator (1) front is provided with actuating doors (19).
5. simple tension sheet material multiple roll stretching-machine according to claim 1 is characterized in that: described transmission mechanism comprises reductor (13), be installed in sprocket wheel (14) on reductor (13) output shaft, the fixing supporting plate (12) of reductor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220458843 CN202911138U (en) | 2012-09-11 | 2012-09-11 | Multi-roller stretching machine for stretching sheets unidirectionally |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220458843 CN202911138U (en) | 2012-09-11 | 2012-09-11 | Multi-roller stretching machine for stretching sheets unidirectionally |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202911138U true CN202911138U (en) | 2013-05-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220458843 Expired - Fee Related CN202911138U (en) | 2012-09-11 | 2012-09-11 | Multi-roller stretching machine for stretching sheets unidirectionally |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202911138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065841A (en) * | 2019-05-23 | 2019-07-30 | 苟秀防 | A kind of isolated conveying device of film drawer cabinet |
-
2012
- 2012-09-11 CN CN 201220458843 patent/CN202911138U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065841A (en) * | 2019-05-23 | 2019-07-30 | 苟秀防 | A kind of isolated conveying device of film drawer cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20170911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |