CN218579152U - Automatic roll cutting machine for co-extruded film - Google Patents

Abstract

The utility model discloses an automatic book cutter of crowded membrane altogether, comprising a base plate, be provided with unwinding device on the bottom plate, fixed case and coiling mechanism, the fixed case is located between unwinding device and the coiling mechanism, the driving roller of two parallels is installed to the fixed incasement internal rotation, slidable mounting has the pinch roller in the fixed case, the pinch roller is located between two driving rollers, through the dislocation distribution between two driving rollers and the pinch roller, make crowded membrane altogether when receiving the traction force of coiling mechanism rolling, the pinch roller that makes with the tension when the film is taut shifts up, and laminate the upper surface at the film all the time, when crowded membrane cuts off altogether, crowded membrane altogether loses traction force, make the pinch roller receive the automatic gliding of gravity influence, and the notched section suppression of film on the unwinding device between two driving rollers, thereby make the film notched section keep fixed, prevent effectively that crowded membrane appears loose phenomenon on the unwinding device, and make the notched section of cutting off the back film fix in same position at every turn, the operation of rolling at every turn is made things convenient for.

Description

Automatic roll cutting machine for co-extruded film

Technical Field

The utility model relates to a roll up cutter technical field altogether, especially relate to automatic roll up cutter of crowded membrane altogether.

Background

The co-extruded film is applied to pure milk bags, express bags and metal protective films, and is characterized by good tensile property and good surface brightness, in the process of film processing, one raw material is extruded onto another film which is made or different types of films which are made are mutually bonded to form a multilayer film, the product is called a composite film, most of the materials of the composite film are plastics, but paper, metal aluminum foil or fabric and the like can be used, the basic requirement of the composite film is that good adhesion is required between layers to ensure the integral mechanical property of packaging, in addition, the composite film is mainly used for food packaging, in the process of the composite film, an adhesive is used, and the selection of a solvent, the adhesion process and the like of the adhesive meet the corresponding sanitary standard requirements.

The automatic roll cutting machine of crowded membrane in-process needs to be used at production and processing cuts the rolling, but roll cutting machine among the prior art has certain defect, and after crowded membrane cuts off altogether, the film cut off department that remains on unreeling device can produce the resilience, makes unreeling device go up the film loose easily, and the incision of film on the unreeling device all will be look for in the rolling at every turn, has reduced the efficiency of roll cutting, consequently needs crowded membrane automatic roll cutting machine altogether to satisfy people's demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic book of crowded membrane cutter altogether to solve the back of cutting off when crowded membrane altogether that proposes in the above-mentioned background art, keep the film cut off department on unwinding device and can produce the resilience, make unwinding device go up the film loose easily, and the incision of film on the unwinding device all will be look for in the rolling at every turn, reduced the problem of rolling up the efficiency of cutting.

In order to achieve the above purpose, the utility model provides a following technical scheme: automatic roll up cutter of crowded membrane altogether, comprising a base plate, be provided with unwinding device, fixed case and coiling mechanism on the bottom plate, the fixed case is located between unwinding device and the coiling mechanism, and the driving roller of two parallels is installed to the fixed incasement internal rotation, and slidable mounting has the pinch roller in the fixed case, and the pinch roller is located between two driving rollers, be provided with the cylinder on the fixed case, install the hand hay cutter on the telescopic shaft of cylinder, hand hay cutter slidable mounting is in the fixed incasement, install the screw rod on the fixed case, movable mounting has a plurality of slitting blade on the screw rod.

Preferably, an air expansion shaft is arranged on the winding device.

Preferably, two connecting shafts are installed in the fixed box, and the two driving rollers are respectively rotatably installed on the corresponding connecting shafts.

Preferably, the inner walls of the two sides of the fixed box are provided with sliding grooves, the two ends of the pressing roller are provided with sliding shafts, and the two sliding shafts are respectively slidably mounted in the corresponding sliding grooves.

Preferably, a baffle is arranged in the fixed box and is positioned on one side of the guillotine.

Preferably, a plurality of screw caps are matched on the screw rod, and every two adjacent screw caps are respectively positioned on two sides of the same slitting blade.

Preferably, the cutting blade is provided with a through hole, and the through hole is matched with the screw rod.

The beneficial effects of the utility model are that:

the utility model discloses in through the dislocation distribution between two driving rollers and the pinch roller, make crowded membrane altogether when the traction force of coiling mechanism rolling, the pinch roller that the tension when tensioning the film made shifts up, and laminate all the time at the upper surface of film, when crowded membrane cuts off altogether, crowded membrane loses traction force altogether, make the pinch roller receive the automatic gliding of gravity influence, and suppress the incision section of film on the unwinding device between two driving rollers, thereby make the film incision section keep fixed, prevent effectively that the crowded membrane appears loosely phenomenon altogether on the unwinding device, and make the incision section that cuts off the back film at every turn fix in same position, the operation of coiling at every turn has been made things convenient for.

The utility model discloses in through the setting of screw rod and slitting blade for roll up the effect that the crowded membrane altogether that cuts possesses and cut, thereby make roll up the crowded membrane altogether that cuts and can divide and be cut into a plurality of, and then improved production efficiency.

Drawings

FIG. 1 is a schematic structural view of an automatic roll cutting machine for co-extruded films according to the present invention;

FIG. 2 is a schematic view of a side view cross-sectional structure of the cylinder of the automatic roll cutting machine for co-extruded films of the present invention;

FIG. 3 is a schematic view of a cross-sectional structure of a connecting shaft of the co-extrusion film automatic roll cutting machine according to the present invention;

FIG. 4 is a schematic view of a side view cross-sectional structure of a sliding shaft of the automatic roll cutting machine for co-extruded films of the present invention;

fig. 5 is the utility model provides an automatic machine of rolling up and cutting of crowded membrane's screw rod looks sideways at section local structure sketch map.

In the figure: 1. a base plate; 2. an unwinding device; 3. a fixed box; 4. a winding device; 5. a driving roller; 6. a pressure roller; 7. a cylinder; 8. a guillotine; 9. a screw; 10. cutting the blade; 11. an air expansion shaft; 12. a connecting shaft; 13. a chute; 14. a slide shaft; 15. a baffle plate; 16. a nut; 17. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, an automatic roll cutting machine for co-extruded films comprises a base plate 1, wherein an unwinding device 2, a fixed box 3 and a winding device 4 are arranged on the base plate 1, the fixed box 3 is positioned between the unwinding device 2 and the winding device 4, two parallel transmission rollers 5 are rotatably arranged in the fixed box 3, a pressing roller 6 is slidably arranged in the fixed box 3, the pressing roller 6 is positioned between the two transmission rollers 5, an air cylinder 7 is arranged on the fixed box 3, a hand hay cutter 8 is arranged on a telescopic shaft of the air cylinder 7, the hand hay cutter 8 is slidably arranged in the fixed box 3, a screw 9 is arranged on the fixed box 3, a plurality of slitting blades 10 are movably arranged on the screw 9, the ends of the co-extruded films on the unwinding device 2 penetrate through the space between the upper parts of the two transmission rollers 5 and the lower parts of the pressing roller 6, the co-extruded films are slit into a plurality of parts from one end of the slitting blade 10, and the slit film ends are respectively fixed on the winding device 4, at the moment, a power supply of the winding device 4 is started, so that the winding device 4 performs winding work, traction force of the winding device 4 enables the co-extruded film to extend, and therefore the unwinding device 2 performs unwinding work, in the process, the original whole co-extruded film is cut into a plurality of parts by the slitting blade 10, in the winding process of the co-extruded film, tensile tension of the film enables the pressing roller 6 pressed above the film by self gravity to move upwards, so that the film is ensured to smoothly pass through the space 6 between the driving roller 5 and the pressing roller, when the wound co-extruded film meets the requirement, the air cylinder 7 is driven, an output shaft of the air cylinder 7 drives the guillotine 8 to press downwards to cut off the co-extruded film, the film on the winding device 2 loses the traction force of the winding device 4, the pressing roller 6 is influenced by gravity and automatically slides downwards to press a cut section of the film between the two driving rollers 5, thereby form the phenomenon of dislocation, and then make the incision section of film fix between driving roller 5 and pinch roller 6 for follow-up rolling work is more convenient, prevents effectively that unwinding device 2 from going up crowded membrane loose phenomenon altogether.

Referring to fig. 2, in this embodiment, the winding device 4 is provided with the air-expansion shaft 11, and the air-expansion shaft 11 facilitates fixing and detaching of the sleeve for winding and co-extrusion film on the winding device 4.

Referring to fig. 3, in this embodiment, two connecting shafts 12 are installed in the fixing box 3, the two driving rollers 5 are respectively rotatably installed on the corresponding connecting shafts 12, the connecting shafts 12 connect the driving rollers 5 and the fixing box 3 into a whole, the rotation of the driving rollers 5 is realized, and the friction between the co-extrusion film and the driving rollers 5 during rolling is reduced.

Referring to fig. 4, in this embodiment, sliding grooves 13 are disposed on inner walls of two sides of the fixing box 3, sliding shafts 14 are mounted at two ends of the pressing roller 6, the two sliding shafts 14 are respectively slidably mounted in the corresponding sliding grooves 13, the sliding grooves 13 provide moving guide for the sliding shafts 14, the pressing roller 6 is guaranteed to move in the vertical direction all the time, and the pressing roller 6 is enabled to rotate.

Referring to fig. 2, in this embodiment, be provided with baffle 15 in the fixed case 3, baffle 15 is located one side of hand hay cutter 8, forms the trend of dislocation shearing between baffle 15 and the hand hay cutter 8, and the convenience is cut the crowded membrane altogether.

Referring to fig. 5, in this embodiment, the screw 9 is adapted with a plurality of nuts 16, every two adjacent nuts 16 are respectively located on two sides of the same slitting blade 10, and the nuts 16 and the screw 9 are matched to fix the slitting blade 10, so that the stability of the slitting blade 10 is ensured, and the quality of slitting the co-extruded film is ensured.

Referring to fig. 5, in the embodiment, the slitting blade 10 is provided with the through hole 17, the through hole 17 is adapted to the screw 9, and the through hole 17 facilitates the adjustment of the position of the slitting blade 10 on the screw 9, so that the slitting of the whole co-extruded film into different specifications is realized.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (7)

1. Automatic roll up cutter of crowded membrane altogether includes bottom plate (1), its characterized in that: the automatic winding and unwinding device is characterized in that an unwinding device (2), a fixed box (3) and a winding device (4) are arranged on the bottom plate (1), the fixed box (3) is located between the unwinding device (2) and the winding device (4), two parallel transmission rollers (5) are installed in the fixed box (3) in a rotating mode, a pressing roller (6) is installed in the fixed box (3) in a sliding mode, the pressing roller (6) is located between the two transmission rollers (5), an air cylinder (7) is arranged on the fixed box (3), a chopper (8) is installed on a telescopic shaft of the air cylinder (7), the chopper (8) is installed in the fixed box (3) in a sliding mode, a screw rod (9) is installed on the fixed box (3), and a plurality of slitting blades (10) are movably installed on the screw rod (9).

2. The automatic roll cutting machine of the co-extruded film according to claim 1, characterized in that: and an air expansion shaft (11) is arranged on the winding device (4).

3. The automatic roll cutting machine of the co-extruded film according to claim 1, characterized in that: two connecting shafts (12) are installed in the fixed box (3), and two driving rollers (5) are respectively rotatably installed on the corresponding connecting shafts (12).

4. The automatic roll cutting machine of the co-extruded film according to claim 1, characterized in that: sliding grooves (13) are formed in the inner walls of the two sides of the fixed box (3), sliding shafts (14) are mounted at the two ends of the pressing roller (6), and the two sliding shafts (14) are mounted in the corresponding sliding grooves (13) in a sliding mode respectively.

5. The automatic roll cutting machine of the co-extruded film according to claim 1, characterized in that: a baffle (15) is arranged in the fixed box (3), and the baffle (15) is positioned on one side of the guillotine (8).

6. The automatic roll cutting machine of the co-extruded film according to claim 1, characterized in that: a plurality of screw caps (16) are adapted to the screw (9), and every two adjacent screw caps (16) are respectively positioned on two sides of the same slitting blade (10).

7. The automatic roll cutting machine of the co-extruded film according to claim 1, characterized in that: a through hole (17) is formed in the slitting blade (10), and the through hole (17) is matched with the screw rod (9).

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