CN207293732U

CN207293732U - Film cutter

Info

Publication number: CN207293732U
Application number: CN201721097173.5U
Authority: CN
Inventors: 曹玉
Original assignee: Chongqing Ruiting Plastic Co Ltd
Current assignee: Chongqing Ruiting Plastic Co Ltd
Priority date: 2017-08-30
Filing date: 2017-08-30
Publication date: 2018-05-01
Anticipated expiration: 2027-08-30

Abstract

The utility model belongs to cutting machine technical field, specifically discloses a kind of film cutter, including rack, rolling-up mechanism, cutting mechanism and unreeling structure, and unreeling structure includes let off roll；Cutting mechanism includes knife rest and cutter；Rolling-up mechanism includes the motor that telescopic rod, nip rolls, wind-up roll, the reel on wind-up roll and driving wind-up roll rotate, telescopic rod includes interior bar and is provided with the outer bar of cavity, interior bar is slidably connected in cavity, spring is connected between interior bar and outer bar, nip rolls is fixed on one end of interior bar；The inside of nip rolls is provided with cavity, and gas can be blown the exhaust outlet on reel by being additionally provided with nip rolls；The output shaft of motor is equipped with multiple blades, and rack is equipped with the shell of parcel blade, exhaust pipe is connected between shell and cavity.Using the present apparatus, on reel, winding quality is good for the collection that the film after cutting can be smooth.

Description

Film cutter

Technical field

The utility model belongs to cutting machine technical field, more particularly to a kind of film cutter.

Background technology

Film cutter can be by the film dividing such as polyester film, metallized film, BOPP, LDPE, HDPE, LLDPE, PP Into different sizes, packaging and other overlay film industries are widely used in.Film splitter is mainly by rack, the upper volume in rack Roller, cutter and wind-up roll are formed, and material film cylinder to be cut is installed winding up roller, dismantle material film cylinder rear haulage original Material film is fixed by cutter region by the end of material film and the reel on wind-up roll.Film splitter is transported OK, wind-up roll rotates driving reel and rotates, and reel traction material film movement, cutter cuts into material film relatively narrow Finished films., it is necessary to which the finished films cylinder on wind-up roll is removed after cutting.

But existing film cutter the shortcomings that generally existing below：Raw material can be deformed in cutting process, risen Wrinkle, the finished product material unwinding for causing to wind tightly differ, and film roll end face is irregular, and the effect after film dividing winding is unsatisfactory, Influence follow-up normal use.

Utility model content

The purpose of this utility model is being received in a kind of film cutter of offer, the collection that the film after cutting can be smooth On reel.

In order to achieve the above object, the base case of the utility model is：Film cutter, including rack and be respectively mounted Rolling-up mechanism, cutting mechanism and unreeling structure in rack, unreeling structure include being used to install unreeling for film to be cut Roller；Cutting mechanism includes knife rest and the cutter on knife rest and for cutting film；Rolling-up mechanism includes wind-up roll, installation The motor that reel on wind-up roll and driving wind-up roll rotate, rolling-up mechanism further include rack-mounted telescopic rod and For making the film adhered nip rolls on reel；Telescopic rod includes interior bar and is provided with the outer bar of cavity, and interior bar is slidably connected In cavity, spring is connected between interior bar and outer bar, nip rolls is fixed on one end of interior bar；The inside of nip rolls is provided with sky Chamber, gas can be blown the exhaust outlet on reel by being additionally provided with nip rolls；The output shaft of motor is equipped with multiple blades, rack The shell of parcel blade is equipped with, exhaust pipe is connected between shell and cavity.

The operation principle of this base case is：When needing to cut film, film is fixed on let off roll, is put Winding up roller, which rotates, makes film be opened at leisure, and then cutter cuts film, makes the narrowed width of film.At the same time open Dynamic motor, motor drive wind-up roll to rotate, the film of the reel winding slitting on wind-up roll.In reel winding film During, nip rolls is bonded with reel all the time, and under the action of nip rolls, film can be closely wound on reel. Motor can also together rotate when rotating with movable vane piece, and blade, which rotates, produces air-flow, and air-flow enters cavity, Ran Houcong by exhaust pipe Exhaust outlet is discharged, and air-flow is blown on the film of wind-up roll, film is fitted on reel, avoids producing bubble.

The beneficial effect of this base case is：

1st, interior bar is slidably connected in cavity, and spring is connected between interior bar and outer bar, and nip rolls is fixed in interior bar, when When applying active force to nip rolls, nip rolls can be to one lateral movement of cavity.As the film wound on reel is more and more, receive The volume of reel becomes increasing, and the setting of telescopic rod enables reel side-to-side movement, can make nip rolls and reel Remain contact, avoid the proper motion of nip rolls interference reel.

The 2nd, nip rolls is set, nip rolls is bonded with reel all the time, and under the action of nip rolls, film can be received consolidation Volume is on reel.

3rd, rotated using motor band movable vane piece, blade rotates the air-flow produced and blows on film, film is close to reel On, avoid producing bubble during winding, ensure the quality of winding.

Further, the oil pocket for filling hydraulic oil is provided with wind-up roll, wind-up roll is equipped with multiple air bags connected with oil pocket； Piston is slidably connected in oil pocket, push rod is fixed with piston；Wind-up roll is provided with through hole close to one end of push rod, is provided with push rod Multiple mounting holes coordinated with through hole, are removably connected with latch on mounting hole.When reel is installed, reel is set in On wind-up roll, then pressure-ram, raises the pressure in oil pocket, and hydraulic oil is squeezed, under the action of hydraulic oil, air bag Outwardly convex, air bag are in close contact with reel so that reel is fixed on wind-up roll.Needs, which are completed, when winding removes receipts During reel, push rod is stretched out, the pressure in oil pocket reduces, and air bag restores to the original state, and exists at this time between reel and wind-up roll Larger gap, easy to which reel is removed.

Further, the surface of air bag is equipped with frictional layer.Set frictional layer to increase wiping coefficient, make reel preferably solid It is scheduled on wind-up roll.

Further, cutter is slidably connected on knife rest.When thin film application is different, the width for cutting film also has difference, because This needs to adjust the distance between cutter.Cutter is slidably connected on knife rest, easy to which the position of cutter is adjusted.

Further, multiple first threaded holes are provided with knife rest, are provided with cutter and matched second screw thread of the first threaded hole Hole.When needing to adjust the position of cutter, cutter is slided, is then fixed cutter using fasteners such as bolts, it is very convenient.

Brief description of the drawings

Fig. 1 is the structure diagram of the utility model film cutter embodiment；

Fig. 2 is the sectional view of A-A in Fig. 1.

Embodiment

The utility model is described in further detail below by embodiment：

Reference numeral in Figure of description includes：Rack 1, let off roll 2, film 21, wind-up roll 3, air bag 31, oil pocket 32nd, knife rest 4, blade 41, nip rolls 5, exhaust outlet 51, cavity 52, exhaust pipe 6, outer bar 7, cavity 71, spring 72, interior bar 73, receipts Reel 8, motor 9, shell 91.

As shown in Figure 1 and Figure 2, film cutter, including rack 1, rolling-up mechanism, cutting mechanism and unreeling structure, winding Mechanism, cutting mechanism and unreeling structure are installed in rack 1.Unreeling structure includes let off roll 2, and film 21 to be cut is installed On let off roll 2, under the action of let off roll 2, film 21 gradually scatters.Cutting mechanism includes knife rest 4 and for cutting film 21 Cutter, cutter is slidably connected on knife rest 4；Multiple first threaded holes are provided with knife rest 4, are provided with cutter and the first threaded hole Cutter, can be fixed on knife rest 4 by matched second threaded hole by fasteners such as bolts.Rolling-up mechanism includes motor 9, flattening Roller 5, telescopic rod, wind-up roll 3 and the reel 8 on wind-up roll 3, the output shaft of motor 9 are connected with wind-up roll 3, are started Motor 9, can drive wind-up roll 3 to rotate.Oil pocket 32 is provided with wind-up roll 3, hydraulic oil, wind-up roll 3 are filled in oil pocket 32 Multiple air bags 31 connected with oil pocket 32 are equipped with, the surface mount of air bag 31 has frictional layer.Slidably connected on oil pocket 32 Piston, is fixed with push rod on piston；Wind-up roll 3 is provided with through hole close to one end of push rod, and multiple and through hole is provided with push rod and is coordinated Mounting hole, be removably connected with latch on mounting hole, latch is injected to through hole, mounting hole successively can be fixed on push rod receipts On reel 8.Nip rolls 5 is located at the side of reel 8, and nip rolls 5 is remained with reel 8 and is bonded, and can be bonded film 21 On reel 8.Telescopic rod is installed in rack 1, and telescopic rod includes interior bar 73 and is provided with the outer bar 7 of cavity 71, and interior bar 73 is slided It is dynamic to be connected in cavity 71, spring 72 is connected between interior bar 73 and outer bar 7, nip rolls 5 is fixed on interior bar 73 away from cavity 71 one end.The inside of nip rolls 5 is provided with cavity 52, the exhaust outlet 51 connected with cavity 52 is also provided with nip rolls 5, from exhaust The gases of the blowout of mouth 51 can be blown on reel 8.The output shaft of motor 9 is equipped with multiple blades, and rack 1 is equipped with parcel leaf The shell 91 of piece, is connected with exhaust pipe 6 between shell 91 and cavity 52；Gas caused by blade rotation can pass through exhaust pipe 6 enter cavity 52, are then discharged from exhaust outlet 51.

When being cut to film 21, film 21 is fixed on let off roll 2, reel 8 is installed, then adjusts cutter Position, makes 21 width of film that cutter is cut meet the requirements.Let off roll 2, which rotates, makes film 21 be opened at leisure, and cutter is to thin Film 21 is cut.At the same time motor 9 is started, motor 9 drives wind-up roll 3 to rotate, and the reel 8 on wind-up roll 3 winds quilt The film 21 of cutting.After the completion of cutting, push rod is operated, reduces the pressure in oil pocket 32, air bag 31 restores to the original state, and winds at this time There are larger gap between cylinder 8 and wind-up roll 3, reel 8 is removed from wind-up roll 3.

Above-described is only the embodiment of the utility model, and the general knowledge such as known concrete structure and characteristic is herein in scheme Do not describe excessively.It should be pointed out that for those skilled in the art, the premise of the utility model structure is not being departed from Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, these are all without influence The effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim Subject to, the record such as embodiment in specification can be used for the content for explaining claim.

Claims

1. film cutter, including rack and the rolling-up mechanism, cutting mechanism and the unreeling structure that are installed in rack, put Volume mechanism includes being used for the let off roll for installing film to be cut；Cutting mechanism includes knife rest and on knife rest and for cutting The cutter of film；Rolling-up mechanism includes the motor that wind-up roll, the reel on wind-up roll and driving wind-up roll rotate, its It is characterized in that：Rolling-up mechanism further includes rack-mounted telescopic rod and for making the film adhered flattening on reel Roller；Telescopic rod includes interior bar and is provided with the outer bar of cavity, and interior bar is slidably connected in cavity, and bullet is connected between interior bar and outer bar Spring, nip rolls are fixed on one end of interior bar；The inside of nip rolls is provided with cavity, is additionally provided with that gas can be blown on nip rolls and is winding Exhaust outlet on cylinder；The output shaft of motor is equipped with multiple blades, and rack is equipped with the shell of parcel blade, shell and cavity it Between be connected with exhaust pipe.

2. film cutter as claimed in claim 1, it is characterised in that the oil pocket for filling hydraulic oil is provided with wind-up roll, Wind-up roll is equipped with multiple air bags connected with oil pocket；Piston is slidably connected in oil pocket, push rod is fixed with piston；Wind-up roll Through hole is provided with close to one end of push rod, multiple mounting holes coordinated with through hole are provided with push rod, are removably connected on mounting hole There is latch.

3. film cutter as claimed in claim 2, it is characterised in that the surface of air bag is equipped with frictional layer.

4. film cutter as claimed in claim 1, it is characterised in that cutter is slidably connected on knife rest.

5. film cutter as claimed in claim 4, it is characterised in that multiple first threaded holes, cutter are provided with knife rest On be provided with and matched second threaded hole of the first threaded hole.