CN205838137U

CN205838137U - Automatic squeezing device

Info

Publication number: CN205838137U
Application number: CN201620673972.1U
Authority: CN
Inventors: 杨治焱
Original assignee: CHONGQING HAOLI PLASTIC Co Ltd
Current assignee: CHONGQING HAOLI PLASTIC Co Ltd
Priority date: 2016-06-30
Filing date: 2016-06-30
Publication date: 2016-12-28
Anticipated expiration: 2026-06-30

Abstract

This patent discloses a kind of automatic squeezing device, relate to field of plastics manufacture；Automatic squeezing appliance stand, feeding roller, nip rolls and outlet roller, drive the driving motor that feeding roller and outlet roller rotate；Driving motor is Chain conveyer with feeding roller and outlet roller, and 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 support, feeding roller and outlet roller are rotatably connected on otic placode, and otic placode is provided with bar hole, and nip rolls two ends are provided with the rotating pin coordinated with bar hole, rotating pin inserts in corresponding bar hole, and nip rolls can slide up and down relative to bar hole.This device by being set to quick condition by idler roller, 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.

Description

Automatic squeezing device

Technical field

This utility model relates to field of plastics manufacture, is 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 Packaging, and it is used as coating layer.The commercially shared share of plastics package and plastic packet product is increasing, particularly Composite plastic flexible package, has been widely used for the fields such as food, medicine, chemical industry, the most again with packaging for foodstuff proportion Maximum, such as beverage packaging, quick frozen food packaging, cooking food packaging, fast food packaging etc., these products are all raw to people Live and bring great convenience.In the production process of plastic sheeting, the plastic sheeting after calendering formation needs through automatically squeezing Material device carries out rolling, when to plastic sheeting rolling, in order to prevent thin film from fold occur, often needs thin film tensioning, to protect Card thin film is smooth；Existing automatic squeezing device, is the most all that wherein nip rolls is by nip rolls and feeding roller stretched film Driven voller, and feeding roller is drive roll, feeding roller pulls thin film to move by frictional force, otherwise thin film is to flatten by frictional force Roller rotates, and realizes thin film tensioning with this；But owing to thin film ductility is good, easily i.e. stretching after stress, and stress excessive after hold Easily being 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 tensioning Situation so that during film, easily there is fold in thin film, or the situation that film rolling is fine and close not.

Additionally, due to when film, the diameter of film rolling can be gradually increased, and therefore the rolling speed of thin film can be 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.

Utility model content

The purpose of this utility model is to provide a kind of automatic squeezing device, to solve when film, it is difficult to will mould The tensile force of material thin film controls the problem in the range of relative constancy.

For reaching above-mentioned purpose, base case of the present utility model is as follows:

Automatic squeezing device includes driving of support, feeding roller, nip rolls and outlet roller, driving feeding roller and outlet roller rotation Galvanic electricity machine；Described driving motor is Chain conveyer with feeding roller and outlet roller, and described feeding roller is between nip rolls, and feeding roller Being respectively positioned on above nip rolls with outlet roller, outlet roller is arranged on any side of the support left and right sides；It is fixed with on described support One group of otic placode being oppositely arranged, described feeding roller is rotatably connected on otic placode, and described otic placode is provided with bar hole, described nip rolls Two ends are provided with the rotating pin coordinated with bar hole, and described rotating pin inserts in corresponding bar hole, and nip rolls can be relative Slide up and down in 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 flattening Roller, feeding roller and nip rolls, be then fixed on one end of thin film on paper web；When driving electric motor starting, outlet roller and feeding roller Rotating, 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 incite somebody to action Thin film is decomposed thin film everywhere by power, prevents Film Tear；Nip rolls is driven roll, and feeding roller is drive roll, therefore opens up The frictional force that thin film is produced by plain-barreled roll 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 work as outlet roller When 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 Time, 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 The contact area of thin film and feeding roller and nip rolls is all by reduction, then thin film easily occurs skidding now relative to feeding roller and nip rolls As, 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 mistake Greatly.

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 originally 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 vertically sets Put, 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 in regulation simultaneously During membrane tension, 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 and otic placode opposite face Spacing is identical；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, Being 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；Due to difference Its thickness of thin film, material different, therefore when rolling, its required tension force is the most different, and in this preferred version, can pass through Adding liquid in liquid-entering hole cavity volume in idler roller, to change the quality of idler roller, and then changes 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 turned The expenditure end of untie-sell axle is threaded balancing weight；Balancing weight is installed on rotating pin and can more easily change the matter of idler roller Amount, 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 this utility model embodiment one；

Fig. 2 is the structural representation that in this utility model embodiment one, outlet roller coordinates with otic placode；

Fig. 3 is the structural representation that in this utility model embodiment one, nip rolls coordinates with otic placode；

Fig. 4 is the structural representation that in this utility model embodiment two, nip rolls coordinates with otic placode.

Detailed description of the invention

Below by detailed description of the invention, this utility model is described in further detail:

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 that outlet roller rotates；Drive motor be connected with reductor, reductor again pass through chain respectively with feeding roller and output Roller connects, 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 Being 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 feed Speed is 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, outlet roller It is arranged on the right side of support, and outlet roller is positioned at same level with feeding roller；It is fixed with one group on described support to be oppositely arranged Otic placode, described feeding roller is directly rotatably connected on otic placode；The installation place of outlet roller is provided with two sleeve pipes, and sleeve pipe is rotatably connected on On otic placode, the sidewall of sleeve pipe is provided with trip bolt, and wherein sleeve is directly connected with driving motor by chain, output 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, and described rotating pin inserts in corresponding bar hole, and exhibition Plain-barreled roll 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, inside nip rolls, it is provided with the appearance that can accommodate liquid Chamber, 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 Leakage, is provided with rubber blanket between end and the blocking of rotating pin.

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 fixes On outlet roller, thereafter outlet roller is being fixed with sleeve pipe；Thin film sequentially passes through nip rolls, feeding roller and nip rolls, then will One end of thin film is fixed on paper web；When driving electric motor starting, outlet roller and feeding roller will rotate, outlet roller rotate make thin film by Gradually it is wrapped on paper web, pulls thin film to move simultaneously；And feeding roller is by feeding forward, it is to avoid thin film is pullled power mistake by outlet roller Greatly, Tear Film；The gravity of nip rolls will be distributed on thin film in the process, so that thin film is tensioning state, and opening of thin film The gravity of clamp force and nip rolls is up to stress balance, with this, tensile force of thin film is controlled the scope at relative constancy.When adopting When different thin film being carried out rolling with this device, according to thickness, the material of thin film, liquid can be filled in cavity volume, to change Become 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, is not provided with connecting with cavity volume in embodiment two Liquid-entering hole, i.e. cavity volume can not load liquid, but the rotating pin at idler roller two ends is paid from bar hole, and be provided with balancing weight spiral shell Stricture of vagina is connected to 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, Idler roller can be made to have different quality, and the tensile force of thin film changes the most accordingly.

Above-described is only embodiment of the present utility model, and in scheme, the known general knowledge such as concrete structure and characteristic is at this Too much describe.It should be pointed out that, for a person skilled in the art, in the premise without departing from this utility model structure Under, it is also possible to making some deformation and improvement, these also should be considered as protection domain of the present utility model, and these are all without impact The effect of this utility model enforcement and practical applicability.The protection domain that this application claims should be with the content of its claim Being as the criterion, the detailed description of the invention in description etc. records the content that may be used for explaining claim.

Claims

1. an automatic squeezing device, including support, feeding roller, nip rolls and outlet roller, drives feeding roller and outlet roller to rotate Driving motor；Described driving motor is Chain conveyer with feeding roller and outlet roller, and described feeding roller is between nip rolls, and send Material 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, institute Stating and be fixed with one group of otic placode being oppositely arranged on support, described feeding roller and outlet roller are rotatably connected on otic placode, described otic placode Being provided with bar hole, described nip rolls two ends are provided with the rotating pin coordinated with bar hole, and described rotating pin inserts corresponding In 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 and otic placode opposite face Spacing identical.

Automatic squeezing device the most according to claim 3, it is characterised in that described nip rolls becomes with rotating pin one Type, 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.