CN106006143A - Automatic extrusion device - Google Patents
Automatic extrusion device Download PDFInfo
- Publication number
- CN106006143A CN106006143A CN201610502200.6A CN201610502200A CN106006143A CN 106006143 A CN106006143 A CN 106006143A CN 201610502200 A CN201610502200 A CN 201610502200A CN 106006143 A CN106006143 A CN 106006143A
- Authority
- CN
- China
- Prior art keywords
- roller
- nip rolls
- thin film
- feeding roller
- rotating pin
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/16—Registering, tensioning, smoothing or guiding webs longitudinally by weighted or spring-pressed movable bars or rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/34—Apparatus for taking-out curl from webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/512—Changing form of handled material
- B65H2301/5125—Restoring form
- B65H2301/51256—Removing waviness or curl, smoothing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/11—Details of cross-section or profile
- B65H2404/117—Details of cross-section or profile comprising hollow portions
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an automatic extrusion device, and relates to the field of plastic manufacturing. The automatic extrusion device comprises a bracket, a feed roller, spread rollers, an output roller and a driving motor driving the feed roller and the output roller to rotate, wherein the driving motor is in chain transmission with the feed roller and the output roller; the feed roller is positioned between the spread rollers; the feed roller and the output roller are positioned above the spread rollers; the output roller is arranged on an arbitrary side of the left and right sides of the bracket; a group of relatively arranged lug plates are fixed to the bracket; the feed roller and the output roller are rotatably connected on the lug plates; strip-shaped holes are formed in the lug plates; rotating hinge pins matched with the strip-shaped holes are arranged at the two ends of the spread rollers; the rotating hinge pins are inserted in the corresponding strip-shaped holes; and the spread rollers can slide up and down relative to the strip-shaped holes. According to the automatic extrusion device, a tension roller is in a floating state, a thin film is tensioned through the self gravity of the tension roller, the stress of the thin film is always in a relatively constant state, and the tensile force of the thin film is constant.
Description
Technical field
The present invention relates to field of plastics manufacture, be specifically related to a kind of automatic squeezing device.
Background technology
Plastic sheeting is mainly made by with polrvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, is used for packing, and is used as coating layer.The commercially shared share of plastics package and plastic packet product is increasing, particularly composite plastic flexible package, have been widely used for the fields such as food, medicine, chemical industry, maximum with packaging for foodstuff proportion the most again, such as beverage packaging, quick frozen food packaging, cooking food packaging, fast food packaging etc., these products all bring great convenience to people's life.In the production process of plastic sheeting, the plastic sheeting after calendering formation needs to carry out rolling through automatic squeezing device, when to plastic sheeting rolling, in order to prevent thin film from fold occur, often needs thin film tensioning, to ensure that thin film is smooth；Existing automatic squeezing device, is the most all by nip rolls and feeding roller stretched film, and wherein nip rolls is driven voller, and feeding roller is drive roll, feeding roller pulls thin film to move by frictional force, otherwise thin film is that nip rolls rotates by frictional force, realizes thin film tensioning with this；But owing to thin film ductility is good, the most easily stretching after stress, and stress excessive after be easily torn, therefore nip rolls and feeding roller surface can not be excessive with the frictional force of thin film, the most often occur that thin film can not the situation of tensioning, when making film, easily there is fold, or the situation that film rolling is fine and close not in thin film.
Additionally, due to when film, the diameter of film rolling can be gradually increased, and therefore the rolling speed of thin film can gradually accelerate so that the friction of the translational speed of thin film, thin film and each roller all can produce the tensile force of change, i.e. thin film and be difficult to control to.
Summary of the invention
It is an object of the invention to provide a kind of automatic squeezing device, to solve when film, it is difficult to the tensile force of plastic sheeting is controlled the problem in the range of relative constancy.
For reaching above-mentioned purpose, the base case of the present invention is as follows:
Automatic squeezing device includes support, feeding roller, nip rolls and outlet roller, drives the driving motor that feeding roller and outlet roller rotate；Described driving motor is Chain conveyer with feeding roller and outlet roller, and described feeding roller is between nip rolls, and feeding roller and outlet roller are respectively positioned on above nip rolls, and outlet roller is arranged on any side of the support left and right sides；One group of otic placode being oppositely arranged it is fixed with on described support, described feeding roller is rotatably connected on otic placode, described otic placode is provided with bar hole, described nip rolls two ends are provided with the rotating pin coordinated with bar hole, described rotating pin inserts in corresponding bar hole, and nip rolls can slide up and down relative to bar hole.
The principle of this programme automatic squeezing device is:
When needs film, first paper web should be nested with and be fixed on outlet roller, and thin film is sequentially passed through nip rolls, feeding roller and nip rolls, then one end of thin film is fixed on paper web；When driving electric motor starting, outlet roller and feeding roller to rotate, feeding roller rotates and makes thin film gradually be wrapped on paper web, pulls thin film to move simultaneously；Arranging feeding roller is then to thin film be decomposed thin film everywhere by power, preventing Film Tear；Nip rolls is driven roll, and feeding roller is that the frictional force that thin film is produced by drive roll, therefore nip rolls and feeding roller is contrary, the beneficially thin film between tensioning nip rolls and feeding roller.
Pass from the lower section of nip rolls additionally, due to thin film, and nip rolls can slide up and down along bar hole, and when outlet roller film and feeding roller feeding, all thin film can be produced pulling force, make thin film produce tensile force；When the tensile force of thin film is too small, nip rolls will sink, to ensure thin film tensioning；And when the tensile force of thin film is excessive, nip rolls will be pulled up, now thin film and the contact area of feeding roller and nip rolls are all by reduction, then easily there is skidding relative to feeding roller and nip rolls in thin film, therefore the length of the thin film between nip rolls can build up and increase again, i.e. nip rolls will sink, and prevent tensile force excessive.
This programme produces and provides the benefit that:
The essence of this programme is by idler roller is set to quick condition, and by the gravity of idler roller self by thin film tensioning, so that the stress of thin film is always at the state of relative constancy, so that the tensile force of thin film keeps constant；Additionally this apparatus structure is simple, reequips low cost.
Preferred version one: as the further optimization to base case, described bar hole is vertically arranged；Bar hole is vertically arranged, then the gravity of idler roller will all be applied on thin film, thus is conducive to calculating the tension force of thin film, and idler roller is when regulating membrane tension simultaneously, and the sidewall of bar hole will be less on the impact of idler roller.
Preferred version two: as the further optimization to base case, the length of described nip rolls is identical with the spacing of otic placode opposite face；This optimization can avoid idler roller tilt phenomenon occur so that the tension force of film surface can keep uniform.
Preferred version three: as the further optimization to preferred version two, described nip rolls is one-body molded with rotating pin, is provided with cavity volume inside nip rolls, and rotating pin center is communicated with the liquid-entering hole of cavity volume, is provided with blocking in liquid-entering hole；Due to its thickness of different thin film, material difference, therefore when rolling, its required tension force is the most different, and in this preferred version, can be by adding liquid in liquid-entering hole cavity volume in idler roller, to change the quality of idler roller, and then change the tensile force of thin film.
Preferred version four: as the further optimization to preferred version two, described rotating pin is paid from bar hole, and the expenditure end of rotating pin is threaded balancing weight；Installing balancing weight on rotating pin and can more easily change the quality of idler roller, and balancing weight is threaded on rotating pin, the fastening of favourable balancing weight, when preventing idler roller from rotating, balancing weight produces vibrations interference.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is the structural representation that in the embodiment of the present invention one, outlet roller coordinates with otic placode；
Fig. 3 is the structural representation that in the embodiment of the present invention one, nip rolls coordinates with otic placode；
Fig. 4 is the structural representation that in the embodiment of the present invention two, nip rolls coordinates with otic placode.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference in Figure of description includes: support 1, feeding roller 2, nip rolls 3, outlet roller 4, thin film 7, otic placode 11, bar hole 12, rotating pin 31, cavity volume 32, liquid-entering hole 33, blocking 34, sleeve pipe 41, trip bolt 42, balancing weight 35.
Embodiment is the most as shown in Figure 1:
Embodiment one:
As it is shown in figure 1, automatic squeezing device includes support, feeding roller, nip rolls and outlet roller, and drive feeding roller and the driving motor of outlet roller rotation；Driving motor to be connected with reductor, reductor is connected with feeding roller and outlet roller respectively by chain again, and the rotating speed big 2% of the rotating ratio feeding roller of outlet roller；Owing to, during film, the external diameter of film rolling will be gradually increased, therefore the rolling speed of thin film gradually accelerates, and the rotating speed of outlet roller, more than the rotating speed of feeding roller, is possible to prevent feeding speed the slowest, and makes membrane tension increase.
As shown in Figure 1 and Figure 2, described feeding roller is between nip rolls, and feeding roller is positioned at above nip rolls, and outlet roller is arranged on the right side of support, and outlet roller is positioned at same level with feeding roller；Being fixed with one group of otic placode being oppositely arranged on described support, described feeding roller is directly rotatably connected on otic placode；The installation place of outlet roller is provided with two sleeve pipes, sleeve pipe is rotatably connected on otic placode, the sidewall of sleeve pipe is provided with trip bolt, and wherein sleeve is directly connected with driving motor by chain, outlet roller is inserted in sleeve pipe, and can be formed fixing by trip bolt and sleeve pipe.There is on described otic placode the bar hole being vertically arranged, described nip rolls two ends are provided with the rotating pin coordinated with bar hole, described rotating pin inserts in corresponding bar hole, and nip rolls can slide up and down relative to bar hole, and the length of nip rolls is identical with the spacing of otic placode opposite face simultaneously.
As it is shown on figure 3, described nip rolls is one-body molded with rotating pin, being provided with the cavity volume that can accommodate liquid inside nip rolls, rotating pin center is communicated with the liquid-entering hole of cavity volume, and the threaded blocking in exit of liquid-entering hole；In order to prevent liquid from leaking, between end and the blocking of rotating pin, it is provided with rubber blanket.
The specific works process of the present embodiment automatic squeezing device is:
First loosening the trip bolt on sleeve pipe, make outlet roller depart from fastening relationships with sleeve pipe, then paper web is nested with and is fixed on outlet roller, is being fixed with sleeve pipe by outlet roller thereafter；Thin film sequentially passes through nip rolls, feeding roller and nip rolls, is then fixed on paper web one end of thin film；When driving electric motor starting, outlet roller and feeding roller to rotate, outlet roller rotates and makes thin film gradually be wrapped on paper web, pulls thin film to move simultaneously；And feeding roller is by feeding forward, it is to avoid it is excessive that thin film is pullled power by outlet roller, Tear Film；The gravity of nip rolls will be distributed on thin film in the process, so that thin film is tensioning state, the tensile force of thin film and the gravity of nip rolls are up to stress balance, with this, tensile force of thin film are controlled the scope at relative constancy.When using this device that different thin film is carried out rolling, according to thickness, the material of thin film, liquid can be filled in cavity volume, to change the quality of idler roller, thus adjust the tensile force of thin film.
Embodiment two:
As shown in Figure 4, embodiment two differs only in embodiment one, embodiment two is not provided with the liquid-entering hole connected with cavity volume, cavity volume i.e. can not load liquid, but the rotating pin at idler roller two ends is paid from bar hole, and be provided with balancing weight be threaded in rotating pin expenditure end so that balancing weight can be changed.
Thickness according to thin film and material, when needing thin film to have different tensile forces, by changing different balancing weights, can make idler roller have different quality, and the tensile force of thin film changes the most accordingly.
Above-described is only embodiments of the invention, and in scheme, the known general knowledge such as concrete structure and characteristic too much describes at this.Should be understood that; for a person skilled in the art, on the premise of without departing from present configuration, it is also possible to make some deformation and improvement; these also should be considered as protection scope of the present invention, and these are all without affecting effect and the practical applicability that the present invention implements.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. records the content that may be used for explaining claim.
Claims (5)
1. an automatic squeezing device, including support, feeding roller, nip rolls and outlet roller, drives the driving motor that feeding roller and outlet roller rotate；Described driving motor is Chain conveyer with feeding roller and outlet roller, and described feeding roller is between nip rolls, and feeding roller and outlet roller are respectively positioned on above nip rolls, and outlet roller is arranged on any side of the support left and right sides；It is characterized in that, one group of otic placode being oppositely arranged it is fixed with on described support, described feeding roller and outlet roller are rotatably connected on otic placode, described otic placode is provided with bar hole, described nip rolls two ends are provided with the rotating pin coordinated with bar hole, described rotating pin inserts in corresponding bar hole, and nip rolls can slide up and down relative to bar hole.
Automatic squeezing device the most according to claim 1, it is characterised in that described bar hole is vertically arranged.
Automatic squeezing device the most according to claim 1, it is characterised in that the length of described nip rolls is identical with the spacing of otic placode opposite face.
Automatic squeezing device the most according to claim 3, it is characterised in that described nip rolls is one-body molded with rotating pin, is provided with cavity volume inside nip rolls, rotating pin center is communicated with the liquid-entering hole of cavity volume, is provided with blocking in liquid-entering hole.
Automatic squeezing device the most according to claim 3, it is characterised in that described rotating pin is paid from bar hole, and the expenditure end of rotating pin is threaded balancing weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502200.6A CN106006143A (en) | 2016-06-30 | 2016-06-30 | Automatic extrusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502200.6A CN106006143A (en) | 2016-06-30 | 2016-06-30 | Automatic extrusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106006143A true CN106006143A (en) | 2016-10-12 |
Family
ID=57105338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610502200.6A Pending CN106006143A (en) | 2016-06-30 | 2016-06-30 | Automatic extrusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106006143A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106494674A (en) * | 2016-12-19 | 2017-03-15 | 江西宜人家食品有限公司 | A kind of food processing pillow type packing machine |
| CN108840147A (en) * | 2018-06-19 | 2018-11-20 | 宁波鸿雁包装材料有限公司 | A kind of online pretensioning device of film |
| CN110803556A (en) * | 2019-11-07 | 2020-02-18 | 江苏上达电子有限公司 | Autorotation gravity device for COF substrate winding and use method thereof |
-
2016
- 2016-06-30 CN CN201610502200.6A patent/CN106006143A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106494674A (en) * | 2016-12-19 | 2017-03-15 | 江西宜人家食品有限公司 | A kind of food processing pillow type packing machine |
| CN108840147A (en) * | 2018-06-19 | 2018-11-20 | 宁波鸿雁包装材料有限公司 | A kind of online pretensioning device of film |
| CN108840147B (en) * | 2018-06-19 | 2023-07-11 | 宁波鸿雁包装材料有限公司 | Online prestretching equipment of film |
| CN110803556A (en) * | 2019-11-07 | 2020-02-18 | 江苏上达电子有限公司 | Autorotation gravity device for COF substrate winding and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161012 |