CN210853198U

CN210853198U - Shrink film oven

Info

Publication number: CN210853198U
Application number: CN201921108994.3U
Authority: CN
Inventors: 刘华文; 吕晓军; 董文渊; 邱义超; 梁正军; 饶海林
Original assignee: Lamican Packaging Kunshan Co ltd
Current assignee: Lamican Packaging Kunshan Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-06-26
Anticipated expiration: 2029-07-16

Abstract

The utility model provides a shrink film oven, which comprises a box body and a conveying platform arranged at the lower part of the box body, wherein the conveying platform is provided with a conveying mechanism, the output end of the oven is connected with two auxiliary film pressing devices, each auxiliary film pressing device comprises a tripod, one side of the tripod is connected on the box body through a shaft pin, the shaft pin is provided with a torsional spring, one end of the torsional spring is connected on the tripod, the other end of the torsional spring is connected on the box body, the lower part of the tripod is vertically provided with a pressing roller through a rotating shaft, the pressing roller presses on the conveying mechanism, the oven is provided with the auxiliary film pressing device at the outlet position, when a small paper roll is in thermal shrinkage, the small paper roll is conveyed out from the oven and is pressed on the circumference of the paper roll in an auxiliary way through the auxiliary film pressing device so as to ensure that the redundant thermal shrinkage film can be pressed, guarantee that the heat distributes evenly at the paper roll side, and the bottom sets up the reflecting plate, guarantees the pyrocondensation effect of pyrocondensation membrane.

Description

Shrink film oven

Technical Field

The utility model relates to a paper roll equipment for packing field especially relates to shrink film oven.

Background

The processing of paper roll is through the mode of a production line, finally snatchs to packagine machine structure department through the manipulator after carrying on conveyor and packs, and the mode with pyrocondensation film usually passes through the oven for the shrink of the outside pyrocondensation film of paper roll wraps up on the paper roll, but in actual operation, still has following problem: 1. the size of the thermal shrinkage film is fixed, the paper roll can be automatically shrunk and wrapped when a large paper roll is packaged, and when a small paper roll is packaged, more redundant thermal shrinkage film is produced directly through an oven, so that the packaging effect is influenced; 2. the heat in the oven is uneven, the heat of the upper surface is higher than the temperature of the periphery, the heat shrinkage of the periphery and the heat of the bottom are smaller, and the heat shrinkage effect is poor.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a shrink film oven, include the box, be located box lower part transport platform, carry the bench to be equipped with conveying mechanism, the oven output is connected with two supplementary press mold devices, supplementary press mold device includes the tripod, on one side of tripod through the pivot connect in on the box, be equipped with the torsional spring on the pivot, torsional spring one end connect in on the tripod, the other end connect in on the box, the tripod lower part is through the vertical pinch roller that is provided with of pivot, the pinch roller press in conveying mechanism is last.

Preferably, the two ends of the box body are provided with openings, the opening of the output end is provided with a rubber door curtain, and the bottom of the rubber door curtain is provided with a thickening block.

Preferably, the top of the box body is provided with at least two fans, the fans are connected with a motor, the inner wall of the box body at the lower part of each fan is provided with a plurality of heating pipes in an arrayed manner, and the lower parts of the heating pipes are provided with air distribution plates.

Preferably, the air homogenizing plate comprises a plate body, a plurality of air penetrating holes are formed in the plate body, and the density of the air penetrating holes in the center position is smaller than that of the air penetrating holes in the edge positions.

Preferably, a ceramic layer is arranged on the conveying table in the box body.

Preferably, the conveying mechanism includes conveying gears located on two sides of the conveying table, a conveying chain is engaged on the conveying gears, a conveying rod is connected to a chain of the conveying chain, and the conveying rod spans across the conveying table.

The utility model provides a shrink film oven has following beneficial effect: this oven is through having set up supplementary press mold device in exit position, when little paper roll when the pyrocondensation, carry out the back in the oven, through supplementary press mold device with the supplementary pressing on the paper roll circumference to guarantee that unnecessary pyrocondensation membrane can be compressed tightly the shrink on the paper roll, simultaneously, set up even aerofoil in the oven, guarantee that the heat is even in the distribution of paper roll side, and the bottom sets up the reflecting plate, guarantees the pyrocondensation effect of pyrocondensation membrane.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic representation of a paper roll and a heat shrink film prior to heat shrinking;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a schematic view of the air uniforming plate of the present invention;

wherein, 1, a box body; 2. a conveying table; 3. a tripod; 4. a torsion spring; 5. a pressure roller; 6. a rubber door curtain; 7. thickening blocks; 8. a fan; 9. a motor; 10. heating a tube; 11. a wind homogenizing plate; 12. a plate body; 13. a ventilation hole; 14. a ceramic layer; 15. a conveying gear; 16. a conveying chain; 17. a conveying rod; 18. a paper roll; 19. And (5) a heat-shrinkable film.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 2, the utility model provides a shrink film oven, include box 1, be located box 1 lower part and carry platform 2, carry and be equipped with conveying mechanism on the platform 2, conveying mechanism is used for carrying paper roll 18 to the box 1 in to carry to the outside, specific theory: the conveying mechanism comprises conveying gears 15 located on two sides of the conveying table 2, conveying chains 16 are meshed on the conveying gears 15, conveying rods 17 are connected to chains of the conveying chains 16, the conveying rods 17 stretch across the conveying table, a motor 9 is connected to each conveying gear 15, the conveying gears 15 are driven to rotate through the motor 9, the chains further rotate, the conveying gears 15 are arranged on two sides of the conveying table 2, the conveying rods 17 are connected to chains of opposite chains, the conveying rods 17 are driven to move on the conveying table 2 through rotation of the chains, paper rollers 18 are driven to move, transmission through the conveying rods 17 is achieved, gaps between the paper rollers 18 and the conveying table 2 are guaranteed, and it is explained that: the ceramic layer 14 is arranged on the conveying table 2 in the box body 1, and heat on the upper portion can be reflected upwards through the ceramic layer 14, so that the heat shrinkage film 19 on the lower portion of the paper roller 18 can be conveniently shrunk.

In order to guarantee that the heat in the box 1 is even, 1 top of box is equipped with two at least fans 8, be connected with motor 9 on the

fan

8, 1 inner wall of box of fan 8 lower part is arranged and is provided with a plurality of heating pipes 10, heating pipe 10 lower part is equipped with even aerofoil 11, even aerofoil 11 includes plate body 12, be equipped with a plurality of ventilation holes 13 on the plate body 12, the ventilation hole 13 density of central point position is less than the ventilation hole 13 density of border position, and is many through ventilation hole 13 on every side, and the ventilation hole 13 at center is few for heat on every side is more, and the top is owing to be the direct-blow, shelters from partial heat through less ventilation hole 13, guarantees that whole regional heat is even basically.

And in order to guarantee that the small paper roll 18 of parcel that pyrocondensation membrane 19 can be better the oven output is connected with two supplementary press mold devices, wherein the input and the output of oven set gradually on the direction of transmission band, supplementary press mold device includes tripod 3, on one side of tripod 3 through the pivot connect in on the box 1, be equipped with torsional spring 4 on the pivot, 4 one end of torsional spring connect in on the tripod 3, the other end connect in on the

box

1, 3 lower parts of tripod are through the vertical pinch rolls 5 that is provided with of pivot, pinch rolls 5 bottom press in on the conveying mechanism, the gravity disc, through the effect of torsional spring 4, when the output of paper roll 18 from the oven, contact paper roll 18 after, 18 is thick paper roll 18 here, can rotate along the pivot, pinch paper roll 18 compresses tightly the pyrocondensation membrane 19 that paper roll 18 outside has not fully contracted after heating, because the paper is just out of the oven, the heat-shrinkable film 19 rolled by the pressing roller 5 can be coated on the paper roller 18, and the heat-shrinkable effect is improved.

In order to guarantee the effect of 19 upper portions of pyrocondensation film parcel, the both ends of box 1 are equipped with the opening, be equipped with rubber door curtain 6 on the opening of output, 6 bottoms of rubber door curtain are equipped with thickening piece 7, and during paper roll 18 output, thickening piece 7 passes through from the upper portion of paper roll 18, compresses tightly pyrocondensation film 19 on upper portion.

Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a shrink film oven, its characterized in that includes the box, is located box lower part and carries the platform, carry the bench to be equipped with conveying mechanism, the oven output is connected with two supplementary film pressing devices, supplementary film pressing device includes the tripod, on one side of tripod pass through the pivot connect in on the box, be equipped with the torsional spring on the pivot, torsional spring one end connect in on the tripod, the other end connect in on the box, the tripod lower part is through the vertical pinch roller that is provided with of pivot, the pinch roller press in conveying mechanism is last.

2. The shrink film oven of claim 1, wherein openings are formed in two ends of the oven body, a rubber door curtain is arranged on the opening of the output end, and a thickening block is arranged at the bottom of the rubber door curtain.

3. The shrink film oven of claim 1, wherein the top of the oven body is provided with at least two fans, the fans are connected with a motor, the inner wall of the oven body at the lower part of the fans is provided with a plurality of heating pipes in an arrangement manner, and the lower parts of the heating pipes are provided with air distribution plates.

4. The shrink film oven of claim 3, wherein the air distribution plate comprises a plate body, a plurality of air permeable holes are formed in the plate body, and the density of the air permeable holes in the center position is smaller than that of the air permeable holes in the edge positions.

5. The shrink film oven of claim 1, wherein a ceramic layer is disposed on the conveyor table within the box.

6. The shrink film oven of claim 1, wherein the conveying mechanism comprises conveying gears on two sides of the conveying table, conveying chains are engaged on the conveying gears, and conveying rods are connected to chains of the conveying chains and cross over the conveying table.