CN202318928U - Water tank lifting device for film blowing machine set - Google Patents
Water tank lifting device for film blowing machine set Download PDFInfo
- Publication number
- CN202318928U CN202318928U CN2011204553640U CN201120455364U CN202318928U CN 202318928 U CN202318928 U CN 202318928U CN 2011204553640 U CN2011204553640 U CN 2011204553640U CN 201120455364 U CN201120455364 U CN 201120455364U CN 202318928 U CN202318928 U CN 202318928U
- Authority
- CN
- China
- Prior art keywords
- water tank
- film
- lifting device
- blowing machine
- machine set
- 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.)
- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a water tank lifting device for a film blowing machine set, which is characterized in that: the water tank lifting device for the film blowing machine set comprises lifting threaded rods, nuts, a worm gear and a worm rod, wherein the lifting threaded rods are vertically arranged at the two sides of a water tank, the nuts which are threaded with the lifting threaded rods are fixedly installed at the side walls of the water tank, the worm gear is connected with the lower axial ends of the lifting threaded rods, the worm rod is connected onto a transmission shaft which is horizontally arranged, and the transmission shaft is in transmission connection with a motor. The water tank lifting device has the advantages that: the water tank is lifted and descended to automatically adjust the pressure in a film pipe during the film production process, so that the produced film has smooth and uniform thickness and good quality.
Description
[technical field]
The utility model relates to a kind of blown film unit that plastic sheeting is produced that is used for, and is specifically related to a kind of water tank elevating mechanism of blown film unit.
[background technology]
The blown film unit is used for the production of plastic sheeting, present blown film unit, and producing film will be through extruding operations such as blown film, film shape film forming pipe, film pipe heating extension, film take-up.Smooth evenly for guaranteeing the film thickness of producing; Film pipe air pressure in the film pipe in heating extension process should remain on desired value; The heating extension process of film pipe is to carry out between the pressure roller in water tank, installed and the carry-over pinch rolls above the water tank; One of the film pipe will rely on compressing each other of pressure roller to seal, and the other end of film pipe then relies on compressing each other of carry-over pinch rolls to seal, because the position of water tank, pressure roller and the carry-over pinch rolls of blown film unit all is changeless at present; So change and to occur that the film pipe increases or when dwindling when internal pressure appears in the film pipe; Air pressure in the film pipe can not be regulated automatically, and is constant for guaranteeing the air pressure in the film pipe, often inflate or venting to the film pipe through artificial.
[summary of the invention]
Deficiency in view of the background technology existence; The technical problem that the utility model will solve is the water tank elevating mechanism that is to provide a kind of blown film unit; Automatically regulate the pressure in the film pipe in the film production process through the up-down water tank, make the film thickness of production smooth evenly, quality is good.
The utility model is implemented through following technical scheme:
The water tank elevating mechanism of blown film unit; It is characterized in that: the water tank elevating mechanism of blown film unit comprises lifting screw, nut, worm gear and worm screw; Lifting screw vertically is provided with in the both sides of water tank, and the nut that spins with lifting screw fixedly mounts at the sidewall of water tank, and said worm gear is connected the lower shaft end of lifting screw; Said worm screw is connected on the horizontally disposed power transmission shaft, and power transmission shaft is connected with drive of motor.
After adopting technique scheme, water tank can move up and down under motor-driven, changes and the increase of film pipe occurs or when dwindling when internal pressure appears in the film pipe like this; Automatic lifting through water tank; Change the distance between pressure roller and the carry-over pinch rolls, change the length of film pipe, thereby reach the purpose of automatic adjusting film intraductal atmospheric pressure; Make the air pressure in the film pipe keep constant, guarantee that the film thickness of producing is smooth evenly.
[description of drawings]
Accompanying drawing 1 is the structural representation of the utility model
[specific embodiment]
Shown in accompanying drawing 1, the water tank elevating mechanism of blown film unit comprises lifting screw 4, nut 5, worm gear 12 and worm screw 7; Lifting screw 4 vertically is provided with in the both sides of water tank 3; With nut 5 sidewall fixed installation in the left and right sides of water tank 3 that lifting screw 4 spins, said worm gear 12 is connected the lower shaft end of lifting screw 4, and said worm screw 7 is connected on the horizontally disposed power transmission shaft 10; Power transmission shaft 10 pivoting supports are on bearing 9; Bearing 9 fixedly mounts on frame 8, is connected with belt pulley 11 in the middle of the power transmission shaft 10, and this belt pulley 11 is connected through belt transmission with motor pulley.
The utility model is performed such work; The heating extension process of film pipe 2 is to carry out between the pressure roller 6 in water tank, installed and the carry-over pinch rolls 1 above the water tank, and the film pipe is in heating extension process, when film pipe internal pressure diminishes the film pipe when dwindling; Elevating mechanism drives water tank upwards; The film length of tube is shortened, and the film pipe volume diminishes, and has so just increased film pipe internal pressure; When film pipe internal pressure becomes big film pipe and increases; It is downward that elevating mechanism drives water tank, makes the film length of tube elongated, and it is big that the film pipe volume becomes; So just reduced film pipe internal pressure; Thereby reach the purpose of automatic adjusting film intraductal atmospheric pressure, make the air pressure in the film pipe keep constant, guarantee that the film thickness of producing is smooth evenly, quality is good.
Claims (1)
1. the water tank elevating mechanism of blown film unit; It is characterized in that: the water tank elevating mechanism of blown film unit comprises lifting screw, nut, worm gear and worm screw; Lifting screw vertically is provided with in the both sides of water tank, and the nut that spins with lifting screw fixedly mounts at the sidewall of water tank, and said worm gear is connected the lower shaft end of lifting screw; Said worm screw is connected on the horizontally disposed power transmission shaft, and power transmission shaft is connected with drive of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204553640U CN202318928U (en) | 2011-11-14 | 2011-11-14 | Water tank lifting device for film blowing machine set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204553640U CN202318928U (en) | 2011-11-14 | 2011-11-14 | Water tank lifting device for film blowing machine set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202318928U true CN202318928U (en) | 2012-07-11 |
Family
ID=46430923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204553640U Expired - Fee Related CN202318928U (en) | 2011-11-14 | 2011-11-14 | Water tank lifting device for film blowing machine set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202318928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121413A (en) * | 2014-06-24 | 2014-10-29 | 欧阳嘉豪 | Water storage device |
| CN112873817A (en) * | 2020-12-24 | 2021-06-01 | 重庆瑞霆塑胶有限公司 | Film cooling forming device for film blowing machine |
-
2011
- 2011-11-14 CN CN2011204553640U patent/CN202318928U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121413A (en) * | 2014-06-24 | 2014-10-29 | 欧阳嘉豪 | Water storage device |
| CN104121413B (en) * | 2014-06-24 | 2016-06-29 | 张婷婷 | Water storage device |
| CN112873817A (en) * | 2020-12-24 | 2021-06-01 | 重庆瑞霆塑胶有限公司 | Film cooling forming device for film blowing machine |
| CN112873817B (en) * | 2020-12-24 | 2022-07-15 | 重庆瑞霆塑胶有限公司 | Film cooling forming device for film blowing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20121114 |