CN214399192U

CN214399192U - High-barrier thermal shrinkage film slitting and rewinding device

Info

Publication number: CN214399192U
Application number: CN202120421735.7U
Authority: CN
Inventors: 刘科学; 王晓旭; 张九龙; 丁中勇; 吕波
Original assignee: Shandong Xinda Packing Technology Co ltd
Current assignee: Shandong Xinda Packing Technology Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-10-15
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a rewinding unit is cut to high separation thermal contraction membrane, including the under casing, the both sides on under casing top are fixed respectively and are equipped with two first U type framves and two second U type framves, and the top of two first U type framves is rotated respectively and is installed unwinding roller and wind-up roll, and the middle part of two second U type framves inner wall is rotated respectively and is installed two parallel rollers, rotates respectively through two first adjusting part between two first U type framves and two second U type framves and installs two tensioning rollers, and the middle part fixed mounting on under casing top has the portal frame, the beneficial effects of the utility model are that: the height of adjusting the tensioning roller through first adjusting part and two parallel rollers, unreel the roller and the wind-up roll cooperate and can adjust the tensioning degree of cutting preceding shrink film and the tensioning degree of cutting back shrink film as required, then can provide stable tension, make the shrink film keep tight state in cutting process to improve cutting effect.

Description

High-barrier thermal shrinkage film slitting and rewinding device

Technical Field

The utility model relates to a cut rewinding unit, in particular to rewinding unit is cut to high separation thermal contraction membrane belongs to membrane production facility technical field.

Background

The high-barrier heat shrinkable film is a high-polymer film and is widely applied to the field of article packaging, and the usage amount of the high-barrier heat shrinkable film is increased along with the rapid development of the logistics transportation industry in China in recent years.

The existing device needs to cut a large roll of high-barrier heat shrinkable film in the production process of the high-barrier heat shrinkable film to generate two small rolls of high-barrier heat shrinkable film, so that subsequent storage and transportation operations are facilitated, but the existing high-barrier heat shrinkable film cutting rewinding device cannot provide stable tension, the cutting effect is influenced, the cutting cannot be adjusted according to the width of the heat shrinkable film, the practicability is poor, meanwhile, the existing high-barrier heat shrinkable film cutting rewinding device does not have a heat dissipation structure, machinery is easily damaged due to high temperature during long-time work, and the deformation of the heat shrinkable film is easily caused due to high temperature, so that the normal processing is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rewinding unit is cut to high separation thermal contraction membrane to solve the problem that rewinding unit is cut to current high separation thermal contraction membrane that proposes in the above-mentioned background art can't provide stable tension and can't adjust the cutting according to the width of shrink membrane.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rewinding unit is cut to high separation thermal contraction membrane, includes the under casing, the both sides on under casing top are fixed respectively and are equipped with two first U type framves and two second U type framves, two the top of first U type frame is rotated respectively and is installed unwinding roller and wind-up roll, two the middle part of second U type frame inner wall is rotated respectively and is installed two parallel rollers, two rotate respectively through two first adjusting part between first U type frame and the two second U type frames and install two tensioning rollers, the middle part fixed mounting on under casing top has the portal frame, the top of portal frame inner wall is rotated and is installed screw rod and gag lever post that are parallel to each other, the middle part screw thread interlude of screw rod installs the slide, the bottom of slide and the middle part slip interlude of gag lever post are connected, the bottom of slide has the cutter through pneumatic cylinder fixed mounting, the top fixed mounting of portal frame avris has the motor, the output shaft of the motor is fixedly connected with one end of the screw rod, and the tops of the inner walls of the two second U-shaped frames are respectively and rotatably provided with two pressing rollers through two second adjusting assemblies.

As a preferred technical scheme of the utility model, two first adjusting part includes two pairs of first electronic jars and two third U type framves respectively, two the bottom of third U type frame is through two pairs of first electronic jars respectively fixed mounting in the both sides on bottom case top, and two the third U type frame sets up respectively between two first U type framves and two second U type framves.

As a preferred technical scheme of the utility model, two the second adjusting part includes two pairs of spouts and two pairs of second electronic jars, two pairs respectively the spout is seted up respectively at the top of two second U type frame inner wall both sides, two pairs the electronic jar of second is fixed mounting respectively on the top of two pairs of spout inner walls, two there are two pairs of sliders, two pairs the bottom of the electronic jar of second is fixed mounting respectively the slider slides respectively and sets up in the inside of two pairs of spouts, two pairs the middle part of slider rotates with the both ends of two tensioning roller shafts respectively and is connected.

As a preferred technical scheme of the utility model, the fixed interlayer that is equipped with in middle part of under casing inner wall, the middle part fixed mounting on interlayer top has the fan, the air inlet end of fan passes through the bottom intercommunication of connecting pipe with the interlayer, the air-out end fixedly connected with blast pipe of fan, a plurality of air vent has been seted up to the equidistant both sides side of blast pipe, the bottom of under casing both sides inlays respectively and is equipped with two filter screens, a plurality of gas distribution hole has been seted up on the top of under casing.

As an optimized technical scheme of the utility model, the bottom of bottom case avris slides respectively to alternate and installs two sealed drawers, two the crystal box of ice has all been placed to the inside of drawer, and two the drawer is stainless steel and makes.

As an optimal technical scheme of the utility model, the fixed flush mounting plate that is equipped with in middle part of bottom case avris, flush mounting plate's surface is installed first electronic jar control switch, pneumatic cylinder control switch, motor just reverse switch, second electronic jar control switch and fan control switch, two pairs respectively first electronic jar, pneumatic cylinder, motor, two pairs of second electronic jar and fan are respectively through first electronic jar control switch, pneumatic cylinder control switch, motor just reverse switch, second electronic jar control switch and fan control switch and external power supply electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a high separation thermal contraction membrane cuts rewinding unit, the height of adjusting the tensioning roller through first adjusting part cooperates with two parallel rollers, unreeling roller and wind-up roll can adjust the tensioning degree of shrink membrane before cutting and the tensioning degree of shrink membrane after cutting as required, then can provide stable tension, make the shrink membrane keep tight state in the cutting process to improve the cutting effect, cooperate with parallel roller through the pinch roller and make the pinch roller hug closely the shrink membrane on the parallel roller, ensure that the shrink membrane keeps tight when cutting; the sliding seat can be driven to slide back and forth by driving the screw rod to rotate forwards and backwards through the motor, so that the cutting can be adjusted according to the width of the shrink film, and the device is more practical; under the effect of fan, the outside air carries out the forced air cooling through filter screen, blast pipe and a plurality of cloth gas pocket discharge to a plurality of rollers on the under casing, avoids high temperature to influence device life, can avoid high temperature to damage high separation thermal contraction membrane simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a bottom box; 2. a first U-shaped frame; 3. a second U-shaped frame; 4. unwinding rollers; 5. a wind-up roll; 6. parallel rollers; 7. a first adjustment assembly; 71. a first electric cylinder; 72. a third U-shaped frame; 8. a tension roller; 9. a gantry; 10. a screw; 11. a limiting rod; 12. a slide base; 13. a hydraulic cylinder; 14. a cutter; 15. a motor; 16. a second adjustment assembly; 161. a chute; 162. a second electric cylinder; 163. a slider; 17. a pressure roller; 18. an interlayer; 19. a fan; 20. an exhaust pipe; 21. a vent hole; 22. filtering with a screen; 23. distributing air holes; 24. a drawer; 25. an ice crystal box; 26. a switch panel.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a high-barrier heat shrinkable film slitting and rewinding device, which comprises a bottom box 1, wherein two sides of the top end of the bottom box 1 are respectively fixedly provided with two first U-shaped frames 2 and two second U-shaped frames 3, the tops of the two first U-shaped frames 2 are respectively rotatably provided with an unwinding roller 4 and a winding roller 5, the middle parts of the inner walls of the two second U-shaped frames 3 are respectively rotatably provided with two parallel rollers 6, two tensioning rollers 8 are respectively rotatably provided between the two first U-shaped frames 2 and the two second U-shaped frames 3 through two first adjusting components 7, the tensioning degree of a slit film before slitting and the tensioning degree of the slit film after can be adjusted according to needs by matching the first adjusting components 7 with the two parallel rollers 6, the unwinding roller 4 and the winding roller 5, and the tensioning purpose of adjusting tensioning can be achieved through the tensioning rollers 8, can provide stable tension then, make the shrink film keep tight state in cutting process, thereby improve the cutting effect, the middle part fixed mounting on 1 top of under casing has portal frame 9, the top of portal frame 9 inner wall is rotated and is installed screw rod 10 and gag lever post 11 that are parallel to each other, slide 12 is installed to the middle part screw thread interlude of screw rod 10, the bottom of slide 12 and the middle part sliding interlude of gag lever post 11 are connected, pneumatic cylinder 13 fixed mounting is passed through to the bottom of slide 12 has cutter 14, the top fixed mounting of portal frame 9 avris has motor 15, the output shaft of motor 15 and the one end fixed connection of screw rod 10, the top of two second U type frame 3 inner walls rotates respectively through two second adjusting part 16 and installs two pinch rolls 17.

Preferably, the two first adjusting assemblies 7 respectively comprise two pairs of first electric cylinders 71 and two third U-shaped frames 72, the bottom ends of the two third U-shaped frames 72 are respectively and fixedly mounted at two sides of the top end of the bottom case 1 through the two pairs of first electric cylinders 71, the two third U-shaped frames 72 are respectively disposed between the two first U-shaped frames 2 and the two second U-shaped frames 3, the third U-shaped frames 72 can be driven to move up and down by controlling the first electric cylinders 71, and then the height of the tensioning roller 8 can be adjusted as required, the tensioning roller 8 can achieve the purpose of adjusting the tensioning, so that the shrink film can be kept in a tight state during the cutting process, thereby improving the cutting effect, the two second adjusting assemblies 16 respectively comprise two pairs of sliding grooves 161 and two pairs of second electric cylinders 162, the two pairs of sliding grooves 161 are respectively disposed at the top portions of two sides of the inner walls of the two second U-shaped frames 3, the two pairs of second electric cylinders 162 are respectively and fixedly mounted at the top ends of the inner walls of the two pairs of sliding grooves 161, the bottom ends of the two second electric cylinders 162 are respectively and fixedly provided with two pairs of sliding blocks 163, the two pairs of sliding blocks 163 are respectively and slidably arranged inside the two pairs of sliding grooves 161, the middle parts of the two pairs of sliding blocks 163 are respectively and rotatably connected with the two ends of the roll shafts of the two tensioning rolls 8, the sliding blocks 163 can be driven by the second electric cylinders 162 to slide up and down inside the sliding grooves 161, and then the pressing rolls 17 can be driven to move up and down, the pressing rolls 17 are tightly attached to the shrink films on the parallel rolls 6 through the matching of the pressing rolls 17 and the parallel rolls 6, so as to ensure that the shrink films are kept tight during cutting, the middle part of the inner wall of the bottom box 1 is fixedly provided with an interlayer 18, the middle part of the top end of the interlayer 18 is fixedly provided with a fan 19, the air inlet end of the fan 19 is communicated with the bottom of the interlayer 18 through a connecting pipe, the air outlet end of the fan 19 is fixedly connected with an exhaust pipe 20, the two side edges of the exhaust pipe 20 are provided with a plurality of vent holes 21 at equal intervals, the bottom parts of the two sides of the bottom box 1 are respectively embedded with two filter screens 22, the top end of the bottom box 1 is provided with a plurality of air distribution holes 23, under the action of the fan 19, the external air is discharged through the filter screen 22, the exhaust pipe 20 and the air distribution holes 23 to cool a plurality of rollers on the bottom box 1 in an air cooling manner, the service life of the device is prevented from being influenced by high temperature, meanwhile, high-temperature damage to a high-barrier heat shrinkable film can be avoided, the bottom of the side of the bottom box 1 is respectively provided with two sealed drawers 24 in a sliding and inserting manner, ice crystal boxes 25 are respectively placed in the two drawers 24, the two drawers 24 are made of stainless steel, the air flow can be cooled by matching the ice crystal boxes 25 with the drawers 24, the air cooling effect is improved, the ice crystal boxes 25 can be conveniently replaced, meanwhile, the ice crystal boxes 25 can be recycled, the middle of the side of the bottom box 1 is fixedly provided with a switch panel 26, and the surface of the switch panel 26 is respectively provided with a first electric cylinder control switch and a hydraulic cylinder control switch, The motor is a positive and negative rotation switch, the second electric cylinder control switch and the fan control switch, the two pairs of first electric cylinders 71, the hydraulic cylinders 13, the motor 15, the two pairs of second electric cylinders 162 and the fan 19 are respectively electrically connected with an external power supply through the first electric cylinder control switch, the hydraulic cylinder control switch, the motor is a positive and negative rotation switch, the second electric cylinder control switch and the fan control switch, the whole device is convenient to control through the switch panel 26, and the operation is simple and convenient.

When specifically using, the utility model relates to a rewinding unit is cut to high separation thermal contraction membrane, at first according to the size adjustment cutter 14's of shrink film position on unreeling roller 4, can drive slide 12 through the positive and negative rotation of switch panel 26 control motor 15 driving screw 10 promptly and make a round trip to slide, then can adjust the cutting according to the width according to the shrink film, and is more practical, then walk around one of them tensioning roller 8 in proper order with the shrink film on unreeling roller 4, one of them parallel roller 6, another parallel roller 6 and another tensioning roller 8 rolling are on wind-up roll 5, cut the shrink film through switch panel 26 control pneumatic cylinder 13 work adjustment cutter 14's position simultaneously, wind-up roll 5 carries out the rolling operation simultaneously, cut the in-process, highly and two parallel rollers 6 of adjusting tension roller 8 through first adjusting part 7, unreeling roller 4 and wind-up roll 5 cooperate and can adjust the tensioning degree of cutting preceding shrink film and the tensioning degree of cutting the shrink film as required and cut the tensioning of back shrink film as required Degree, namely, the first electric cylinder 71 can be controlled to drive the third U-shaped frame 72 to move up and down, the height of the tension roller 8 can be adjusted as required, the tension can be adjusted by the tension roller 8, and then stable tension can be provided, so that the shrink film can be kept in a tight state in the cutting process, thereby improving the cutting effect, the second electric cylinder 162 can be controlled by the switch panel 26 to drive the sliding block 163 to slide up and down in the sliding groove 161, so as to drive the press roller 17 to move up and down, the press roller 17 is tightly attached to the shrink film on the parallel roller 6 by matching the press roller 17 with the parallel roller 6, so as to ensure that the shrink film is kept tight in the cutting process, the fan 19 is started through the switch panel 26, under the action of the fan 19, outside air is discharged through the filter screen 22, the exhaust pipe 20 and the plurality of air distribution holes 23 to cool down the plurality of rollers on the bottom box 1 by air cooling, avoid high temperature to influence device life, can avoid high temperature to damage high separation thermal contraction membrane simultaneously, the air-cooled in-process cooperatees through ice crystal box 25 and drawer 24 and can cool down the air current, improves the air-cooled effect, and is convenient for change ice crystal box 25, and ice crystal box 25 can cyclic utilization simultaneously.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The high-barrier heat-shrinkable film slitting and rewinding device comprises a bottom box (1) and is characterized in that two sides of the top end of the bottom box (1) are respectively fixedly provided with two first U-shaped frames (2) and two second U-shaped frames (3), the top of each first U-shaped frame (2) is respectively rotatably provided with an unwinding roller (4) and a winding roller (5), the middle of the inner wall of each second U-shaped frame (3) is respectively rotatably provided with two parallel rollers (6), two tensioning rollers (8) are respectively rotatably arranged between each first U-shaped frame (2) and the two second U-shaped frames (3) through two first adjusting components (7), the middle of the top end of the bottom box (1) is fixedly provided with a portal frame (9), the top of the inner wall of the portal frame (9) is rotatably provided with a screw rod (10) and a limiting rod (11) which are parallel to each other, a sliding seat (12) is alternately arranged on the middle thread of the screw rod (10), the bottom of slide (12) and the middle part of gag lever post (11) slip interlude and be connected, pneumatic cylinder (13) fixed mounting is passed through to the bottom of slide (12) has cutter (14), the top fixed mounting of portal frame (9) avris has motor (15), the output shaft of motor (15) and the one end fixed connection of screw rod (10), two rotate respectively through two second adjusting part (16) at the top of second U type frame (3) inner wall and install two pinch rolls (17).

2. The slitting and rewinding device for the high-barrier heat-shrinkable film as claimed in claim 1, wherein: two first adjusting component (7) include two pairs of first electronic jars (71) and two third U type frame (72) respectively, two the bottom of third U type frame (72) is through two pairs of first electronic jars (71) respectively fixed mounting in the both sides on bottom case (1) top, and two third U type frame (72) set up respectively between two first U type frame (2) and two second U type frame (3).

3. The slitting and rewinding device for the high-barrier heat-shrinkable film as claimed in claim 2, wherein: two second regulating assembly (16) includes two pairs of spout (161) and two pairs of second electronic jar (162), two pairs of spout (161) are seted up respectively at the top on two second U type frame (3) inner wall both sides, two pairs the electronic jar of second (162) fixed mounting is respectively on the top of two pairs of spout (161) inner walls, two there are two pairs of slider (163) bottom difference fixed mounting of the electronic jar of second (162), two pairs slider (163) slide respectively and set up in the inside of two pairs of spout (161), two pairs the middle part of slider (163) rotates with the both ends of two tensioning roller (8) roller respectively and is connected.

4. The slitting and rewinding device for the high-barrier heat-shrinkable film as claimed in claim 3, wherein: the middle part of under casing (1) inner wall is fixed and is equipped with interlayer (18), the middle part fixed mounting on interlayer (18) top has fan (19), the air inlet end of fan (19) passes through the bottom intercommunication of connecting pipe with interlayer (18), the air-out end fixedly connected with blast pipe (20) of fan (19), a plurality of air vent (21) have been seted up to the both sides limit equidistant of blast pipe (20), the bottom of under casing (1) both sides is inlayed respectively and is equipped with two filter screens (22), a plurality of cloth gas pocket (23) have been seted up on the top of under casing (1).

5. The slitting and rewinding device for the high-barrier heat-shrinkable film as claimed in claim 4, wherein: the bottom of under casing (1) avris slides respectively to alternate and installs two sealed drawers (24), two ice crystal box (25) have all been placed to the inside of drawer (24), and two drawer (24) are stainless steel and make.

6. The slitting and rewinding device for the high-barrier heat-shrinkable film as claimed in claim 4, wherein: the middle part of under casing (1) avris is fixed and is equipped with flush mounting plate of switch (26), flush mounting plate of switch (26) installs first electronic jar control switch, pneumatic cylinder control switch, motor just reverse switch, the electronic jar control switch of second and fan control switch, two pairs respectively first electronic jar (71), pneumatic cylinder (13), motor (15), two pairs of electronic jar of second (162) and fan (19) are respectively through first electronic jar control switch, pneumatic cylinder control switch, the motor just reverse switch, the electronic jar control switch of second and fan control switch and external power supply electric connection.