CN111559035A

CN111559035A - Processing system based on efficient cooling of PVC (polyvinyl chloride) film

Info

Publication number: CN111559035A
Application number: CN202010426702.1A
Authority: CN
Inventors: 杨康君
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-04-01
Filing date: 2018-04-01
Publication date: 2020-08-21
Also published as: CN108748816B; CN108748816A

Abstract

The invention discloses a processing system based on efficient cooling of a PVC (polyvinyl chloride) film, which comprises a feeding device, a heating device, a humidifying device and a cooling device for cooling the heated PVC film; the cooling device comprises a supporting mechanism, a cooling mechanism and a driving mechanism for driving the cooling mechanism to rotate; the cooling mechanism comprises a cooling piece which is rotatably arranged on the supporting mechanism, a liquid inlet opening and a liquid adding part which are arranged on the cooling piece; the cooling piece comprises an outer shell and an inner rotating piece arranged in the outer shell, and a gap is formed between the inner rotating piece and the outer shell to form a cooling cavity; the rotating member is rotatable relative to the outer housing. According to the invention, the inner rotating piece can rotate relative to the outer shell, so that the water inside and outside the cooling cavity generates a certain degree of convection, the water temperature on the outer side is prevented from rising too fast and is always maintained at a lower temperature, and the PVC film is well cooled.

Description

Processing system based on efficient cooling of PVC (polyvinyl chloride) film

Technical Field

The invention belongs to the technical field of polyvinyl chloride processing, and particularly relates to a processing system based on efficient cooling of a PVC film.

Background

The existing PVC film has the problems of folds, edge bending, rough surface and the like during processing because the film is easy to deform during processing; however, the existing processing procedure can not solve the problem of solving the three aspects in the processing process, so that the PVC film needs to be processed for many times, the processing cost is high, and the processing time is long.

Can adopt the chill roll to cool down the processing to the PVC membrane in the course of working, nevertheless the water in the traditional chill roll can not take place to flow basically between the inside and outside, and then makes the temperature in outside heat up easily, but inside water all does not heat up, and not only the cooling effect is relatively poor, also comparatively extravagant water resource.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the processing system based on the efficient cooling of the PVC film, which has high processing efficiency and good cooling effect.

In order to achieve the purpose, the invention adopts the following technical scheme: a processing system based on efficient cooling of a PVC film comprises a feeding device, a heating device, a humidifying device and a cooling device for cooling the heated PVC film; the cooling device comprises a supporting mechanism, a cooling mechanism and a driving mechanism for driving the cooling mechanism to rotate; the cooling mechanism comprises a cooling piece which is rotatably arranged on the supporting mechanism, a liquid inlet opening and a liquid adding part which are arranged on the cooling piece; the cooling piece comprises an outer shell and an inner rotating piece arranged in the outer shell, and a gap is formed between the inner rotating piece and the outer shell to form a cooling cavity; the rotating member is rotatable relative to the outer housing. According to the invention, the cooling part is arranged into the outer shell and the inner rotating part, so that the water quantity contained in the cooling part is reduced, and the waste of water resources is reduced; the inner rotating piece can rotate relative to the outer shell, so that water in the cooling piece can be stirred in the process of conveying the PVC film, and then the water on the inner side and the outer side of the cooling cavity can generate convection to a certain extent, so that the phenomenon that the temperature of the water on the outer side is increased too fast and is always kept at a lower temperature is avoided, and the PVC film is well cooled;

secondly, the feeding device is arranged to automatically feed the PVC film to be processed into the processing procedure, manual feeding is not needed, feeding efficiency is improved, and feeding progress is guaranteed; the heating device is arranged, so that the PVC film can be conveniently heated, and the PVC film is prevented from forming wrinkles in the processing process; the humidifying device can humidify the PVC film after the PVC film is heated, so that the humidity of the PVC film is improved, and the PVC film is prevented from being bent and deformed due to too dry; the cooling device is arranged, so that the PVC film can be further cooled after humidification, the surface roughness of the surface film caused by high temperature of the PVC film in the subsequent processing process is avoided, and the quality of the produced PVC film is improved; and the liquid feeding part can add the coolant liquid to among the cooling part, need not artifical liquid feeding, and this mode still can be convenient for realize the liquid circulation among the cooling part simultaneously, improves the cooling effect of coolant liquid.

The feeding device comprises a first feeding mechanism and a second feeding mechanism matched with the first feeding mechanism; a feeding space for PVC films to pass through is formed between the first feeding mechanism and the second feeding mechanism; the first feeding mechanism and the second feeding mechanism are matched to clamp the PVC film, so that the PVC film moves forwards along with the rotation of the first feeding mechanism.

The first feeding mechanism comprises a rotating part and a pressing roller sleeved on the rotating part, and the pressing roller is connected with the rotating part in a rotation stopping manner; but set up rotation piece automatic rotation to drive the compression roller and rotate together, should rotate the in-process and can impel the PVC membrane forward, make PVC membrane rate of motion invariable, and rotate the piece and only rotate with the compression roller and be connected, can avoid the compression roller to rotate the piece relatively and take place to skid.

The compression roller is provided with a deformation layer, and the deformation layer is provided with a plurality of arc-shaped convex parts at equal intervals; the deformation layer is arranged to deform when the compression roller works, so that the compression roller is kept to compress the PVC film, and the PVC film is prevented from slipping relative to the compression roller; set up the pressure that the arc convex part can increase the compression roller to the PVC membrane, further guarantee compression roller transportation PVC membrane's efficiency.

A plurality of stirring paddles are uniformly distributed on the outer surface of the inner rotating piece at intervals; the convection condition of the water body in the cooling cavity is further enhanced through the arrangement of the stirring paddle, and the cooling effect on the PVC film is improved.

The end part of the inner rotating piece is provided with a concave part, and a connecting convex part matched with the concave part is arranged in the outer shell.

The liquid adding part is movably connected with the cooling part through a connecting mechanism; the cooling mechanism is arranged to cool the PVC film, so that the effect of cooling the PVC film is accelerated, and the PVC film is prevented from being curled due to quick drying; the cooling efficiency of the cooling mechanism can be improved by arranging the driving mechanism to drive the cooling mechanism to rotate, and the cooling part can be conveniently filled with cooling liquid, so that the cooling effect is improved; the liquid feeding part can add the coolant liquid to the middle of the cooling part, does not need manual liquid feeding, and this mode still can be convenient for realize the liquid circulation in the middle of the cooling part simultaneously, improves the cooling effect of coolant liquid.

Further, the liquid adding part comprises a liquid adding part for introducing liquid into the cooling part, and the liquid adding part partially penetrates through the liquid inlet opening; set up the liquid feeding spare and can add the coolant liquid to the middle of the cooling part, the liquid feeding presss from both sides the part and penetrates to going into in the middle of the liquid opening, makes the coolant liquid all get into the middle of the cooling part, avoids the coolant liquid extravagant.

In conclusion, the feeding device can automatically feed the PVC film to be processed into the processing procedure, so that the feeding efficiency is improved; interior rotation piece shell body relatively rotates, and then makes the water in the cooling piece can be stirred at the in-process of conveying PVC membrane, and then the water outside the cooling chamber will take place the convection current of certain degree, avoids the temperature in the outside to rise at the excessive speed, maintains throughout on lower temperature, realizes the good cooling to the PVC membrane.

Drawings

Fig. 1 is a schematic diagram of the mechanism of the present invention.

Fig. 2 is a schematic structural diagram of the heating device of the present invention.

Fig. 3 is a schematic structural diagram of the feeding device of the present invention.

Fig. 4 is a right side view of a second feed mechanism of the present invention.

Fig. 5 is a schematic view of the cooling device mechanism of the present invention.

Fig. 6 is an enlarged view of a in fig. 5.

Fig. 7 is an enlarged view of B in fig. 6.

Fig. 8 is an enlarged view of C in fig. 7.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-8, a processing system based on PVC film high-efficiency cooling comprises a feeding device 7, a heating device 8, a humidifying device 9 and a cooling device 6; wherein the heating device 8 comprises a box 81 and a heating component 82; the heating member 82 is provided in the case 81; the heating component 82 comprises a first heating component 821 and a second heating component 822, wherein the first heating component 821 comprises a metal pipe, a rubber sleeve sleeved on the metal pipe and a resistance wire spirally arranged in the metal pipe, and the resistance wire generates heat, so that heat is transferred to the wall of the metal pipe and then transferred to the rubber sleeve through the metal pipe; the second heating member 822 and the first heating member 821 have the same structure; the second heating member 822 is disposed right below the first heating member 821, and a moving space for passing the PVC film is left between the two heating members; the humidifying device 9 is a metal roller with an outer layer wrapped by a sponge layer, the metal roller rotates under the drive of a motor, water is arranged on the sponge layer, and therefore the humidifying device 9 rotates under the drive of the motor and contacts with a polyethylene film to humidify the polyethylene film.

Further, the feeding device 7 comprises a first feeding mechanism 71 and a second feeding mechanism 72, and a feeding space 73 for the PVC film to pass through is formed between the first feeding mechanism 71 and the second feeding mechanism 72; specifically, the first feeding mechanism 71 includes a rotating member 711 and a pressing roller 712, the rotating member 711 is a metal rod, and the rotating member 711 is driven by a motor to rotate; the compression roller 712 is a plastic sleeve, the compression roller 712 is sleeved on the rotating part 711, the rotating part 711 is provided with a rotation stopping convex part 713, the compression roller 712 is provided with a rotation stopping concave part 714, and the rotation stopping convex part 713 penetrates into the rotation stopping concave part 714 so as to realize the rotation stopping connection of the compression roller 712 and the rotating part 711; the pressing roller 712 is provided with a deformation layer 715, the deformation layer 715 is a layer of rubber, the deformation layer 715 is provided with a plurality of arc-shaped convex parts 716, and the arc-shaped convex parts 716 and the deformation layer 715 are integrally formed; the second feeding mechanism 72 is a rubber roller made of rubber, and the rubber roller can rotate along with the rotation of the first feeding mechanism 71.

Further, the cooling device comprises a supporting mechanism 1, a cooling mechanism 2 and a driving mechanism 3, wherein the supporting mechanism 1 is a metal frame, and the cooling mechanism 2 and the driving mechanism 4 are respectively arranged on the supporting mechanism 1; the driving mechanism 4 is a motor, and is not described again; the cooling mechanism 2 comprises a cooling part 21 and a liquid adding part 22, and in the PVC film processing process, the PVC film is contacted with the cooling part 21, so that the heat on the PVC film is absorbed by the cooling part 21, and the temperature reduction of the PVC film is realized; specifically, the cooling component 21 includes a cooling element 211, a liquid inlet opening 212 and a liquid outlet opening 219, the cooling element 211 includes a metal hollow cylindrical outer shell 2112 and an inner rotating element 2113 disposed in the outer shell, the inner rotating element 2113 is a cylindrical roller made of metal, and a gap is formed between the outer surface of the inner rotating element 2112 and the inner surface of the outer shell 2112 to form a cooling cavity 2114; the cooling liquid enters the cooling cavity 2114 for temporary storage, then the PVC film is in contact with the outer wall of the cooling part 211, and the temperature is transferred to the cooling liquid, so that the PVC film is rapidly cooled.

Specifically, the left end and the right end of the inner rotating element 2112 extend outwards to form a cylindrical recess 51, the left end and the right end of the outer shell 2113 are provided with a cylindrical connecting protrusion 52, the connecting protrusion 52 can penetrate into the recess and can rotate to the recess, and then the rotating element 2113 can rotate relative to the outer shell 2112; preferably, a bearing is provided between the connecting convex portion 52 and the concave portion 51.

Further, a plurality of stirring paddles 2115 are uniformly distributed on the outer surface of the inner rotating member 2112 at intervals; the liquid inlet opening 212 is arranged on the connecting convex part 52 at the left position and is communicated with the cooling cavity 2114, and the cooling liquid enters the cooling cavity 2114 from the liquid inlet opening 212; the liquid outlet opening 219 is provided in the right connecting projection 52, and the cooling liquid in the cooling chamber 2114 is discharged through the liquid outlet opening 219.

Further, the liquid adding part 22 comprises a liquid adding part 221, and the liquid adding part 221 is a metal pipeline connected with a water pump; the liquid outlet 219 is connected with a metal pipe, and after the cooling liquid in the liquid adding member 221 is fed into the cooling cavity 2114, the cooling liquid in the original cooling cavity 2114 is discharged through the metal pipe at the liquid outlet 219, thereby realizing the circulation of the cooling liquid in the cooling cavity 2114.

Further, the connecting mechanism 3 includes a fixing part 31 and an anti-dropping part 32, the fixing part 31 includes a fixing part 311, the fixing part 311 is a circular metal block, a circular through hole is formed in the middle of the fixing part 311, and the fixing part 311 penetrates into the liquid adding part 221 and is welded with the outer wall of the liquid adding part 221 in a seamless manner; the fixing piece is fixed on the liquid adding piece, so that the liquid adding piece can be fixed by fixing the fixing piece, the liquid adding piece is kept suspended in the liquid inlet, and the liquid adding piece is prevented from influencing the rotation of the cooling liquid; when the end of the liquid adding part 221 passes through the liquid inlet opening and enters the cooling cavity 2114, the contact between the side wall of the fixing part 311 and the side wall of the cooling part 211 limits the continuous entering of the liquid adding part 221 into the cooling cavity 2114; the anti-dropping part 32 comprises an anti-dropping part 321 and a sealing part 322, the anti-dropping part 321 is a round metal sheet with a diameter larger than that of the fixing part 311, the anti-dropping part 321 is movably sleeved on the liquid adding part 221, the anti-dropping part 321 is fixed on the side wall of the cooling part 211 through a screw after the liquid adding part 221 penetrates into the cooling cavity 2114 from the liquid inlet opening 212, after the fixing is finished, the sealing part 322 is clamped between the anti-dropping part 321 and the side wall of the cooling part 211, and the sealing part 322 is a rubber block; meanwhile, after the anti-dropping element 321 is installed, the fixing element 311 is located between the anti-dropping element 321 and the side wall of the cooling element 211, so that the anti-dropping element 321 effectively limits the fixing element 311 from dropping outwards; the anti-falling part can limit the fixed part and ensure that the position of the fixed part is constant and does not shake; the sealing element is arranged between the fixing element and the side wall of the cooling element, so that the side walls of the fixing element and the cooling element can be sealed when the fixing element is fixed on the side wall of the cooling element, and the sealing performance is improved.

In order to better fix the fixing piece 311, a first concave portion 291 and a second concave portion 292 are arranged in the middle of the side wall of the cooling piece 211, the first concave portion 291 is arranged in the middle of the second concave portion 292, the fixing piece 311 is positioned in the first concave portion 291, the anti-falling piece 321 is positioned in the second concave portion 292, the first concave portion 291 is used for positioning the fixing piece 311 when the fixing piece 311 is installed, the second concave portion 281 is used for positioning the anti-falling piece 321 when the anti-falling piece 321 is installed, and the arrangement of the first concave portion 291 and the second concave portion 292 can improve the installation efficiency.

In order to cause abrasion due to the contact of the fixing piece 311 and the side wall of the cooling piece 211, a first leakage-proof concave part 201 is arranged on the side wall of the cooling piece 211, the first leakage-proof concave part 201 is a circle of concave ring, a first inclined surface 203 which is obliquely arranged from top to bottom and a second inclined surface 204 which is symmetrically arranged with the first inclined surface 203 are arranged on the first leakage-proof concave part 201, a plurality of convex parts 208 are respectively arranged on the first inclined surface 203 and the second inclined surface 204 at equal intervals, and the convex parts 208 are arranged in an arc shape; the side wall of the fixed part 311 is provided with a first positioning part 301, the first positioning part 301 is a circle of concave ring, a first wear-resistant part 401 is embedded on the first positioning part 301, the first wear-resistant part 401 is made of a circle of wear-resistant plastic, the first wear-resistant part 401 is clamped into the first leakage-proof concave part 201, the end part of the first wear-resistant part 401 is contacted with the first inclined surface 203 and the second inclined surface 204 on the first leakage-proof concave part 201, under the connection mode, the diamond corner of the first wear-resistant part 401 is clamped between the two adjacent convex parts 208, so that the fixed part 311 and the first wear-resistant part 401 keep still under the rotation of the cooling part 211; in the case of taking the cooling member 211 as a stationary reference, the diamond-shaped part of the first wear-resistant member 401 slides relative to the cooling member 211 along the gap between two adjacent protrusions 208; the first anti-falling concave part is arranged to position the first wear-resisting part, so that when the first wear-resisting part rotates relative to the first anti-leakage concave part, the first wear-resisting part rotates stably and cannot fall off from the first anti-leakage concave part; the arrangement mode can improve the stability and the sealing performance of the device; similarly, the second anti-leakage concave part is arranged to position the second wear-resistant part and keep the second wear-resistant part to be stably matched with the anti-falling part.

Furthermore, a second leakage-proof concave part 402 is arranged on the side wall of the anti-dropping element 321, the second leakage-proof concave part 402 is a circle of concave ring, a third inclined surface 205 which is inclined from top to bottom and a fourth inclined surface which is symmetrical to the third inclined surface 205 are arranged on the second leakage-proof concave part 402, a plurality of convex parts 208 are respectively arranged on the third inclined surface 205 and the fourth inclined surface at equal intervals, and the convex parts 208 are the same as those on the first leakage-proof concave part 401; the side wall of the fixed part 311 is provided with a second positioning part 302, the second positioning part 302 is a circle of concave ring, a second wear-resistant part 402 is embedded on the second positioning part 302, the second wear-resistant part 402 is made of a circle of wear-resistant plastic, the second wear-resistant part 402 is clamped into the second leakage-proof concave part 402, the end part of the second wear-resistant part 402 is contacted with the third inclined surface 205 and the fourth inclined surface 206 on the second leakage-proof concave part 402, under the connection mode, the diamond corner of the second wear-resistant part 402 is clamped between the two convex parts 208, so that the fixed part 311 and the second wear-resistant part 402 keep still under the rotation of the cooling part 211 together, and the diamond corner part of the second wear-resistant part 402 slides relative to the cooling part 211 along the gap between the two adjacent convex parts 208 with the cooling part 211 as a still reference object; set up first wearing parts and second wearing parts both can avoid mounting and cooling part lateral wall, direct contact between mounting and the anticreep spare lateral wall, avoid mounting and cooling part, the anticreep spare takes place wearing and tearing, improve device life, it can realize the first time sealed between mounting and the cooling part lateral wall to set up first wearing parts, avoid the liquid in the cooling part to leak, it can realize the sealing between mounting and anticreep spare to set up the second wearing parts, realize the secondary seal, improve sealed effect.

Further, the cooling element 311 is movably connected to the supporting mechanism 1, and the movable connection is that bearings with larger volume are respectively arranged on the left and right side walls of the cooling element 311, the inner ring of the bearing is welded to the side wall of the cooling element 311 after extending outwards, and the outer ring of the bearing is welded to the supporting mechanism 1, which can be easily realized by those skilled in the art, and therefore, the details are not repeated herein; in order to facilitate the driving mechanism 4 to drive the cooling element 311 to rotate, a ring of toothed rings is disposed at an end of the cooling element 311, a gear is disposed on the driving mechanism 4, and the cooling element 311 is driven to rotate by the ring of toothed rings.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. A processing system based on efficient cooling of a PVC film comprises a feeding device (7), a heating device (8), a humidifying device (9) and a cooling device (6) for cooling the heated PVC film; the cooling device (6) comprises a supporting mechanism (1), a cooling mechanism (2) and a driving mechanism (4) for driving the cooling mechanism (2) to rotate; the cooling mechanism (2) comprises a cooling piece (211) which is rotatably arranged on the supporting mechanism (1), a liquid inlet opening (212) which is arranged on the cooling piece (211) and a liquid adding part (22); the method is characterized in that: the cooling element (211) comprises an outer shell (2112) and an inner rotating element (2113) arranged in the outer shell, and a gap is formed between the inner rotating element (2113) and the outer shell (2112) to form a cooling cavity (2114); the inner rotating part (2113) can rotate relative to the outer shell (2112); the liquid adding part (22) is movably connected with the cooling part (21) through a connecting mechanism (3); the liquid adding part (22) comprises a liquid adding part (221) used for introducing liquid into the cooling part (211), and the liquid adding part (221) partially penetrates through the liquid inlet opening (212); the connecting mechanism (3) comprises a fixing part (31) and an anti-falling part (32), the fixing part (31) comprises a fixing piece (311), the middle of the fixing piece (311) is provided with a circular through hole, and the fixing piece (311) penetrates into the liquid adding piece (221) and is welded with the outer wall of the liquid adding piece (221) in a seamless mode; when the end part of the liquid adding part (221) penetrates through the liquid inlet opening and enters the cooling cavity (2114), the side wall of the fixing part (311) is in contact with the side wall of the cooling part (211) to limit the continuous entering of the liquid adding part (221) into the cooling cavity (2114); the anti-falling part (32) comprises an anti-falling part (321) and a sealing part (322), the anti-falling part (321) is a round metal sheet with the diameter larger than that of the fixing part (311), the anti-falling part (321) is movably sleeved on the liquid adding part (221), the anti-falling part (321) is fixed on the side wall of the cooling part (211) through screws after the liquid adding part (221) penetrates into the cooling cavity (2114) from the liquid inlet opening (212), and the sealing part (322) is clamped between the anti-falling part (321) and the side wall of the cooling part (211) after the fixing is finished; the side wall of the cooling part (211) is provided with a first leakage-proof concave part (201), the first leakage-proof concave part (201) is a circle of concave ring, the first leakage-proof concave part (201) is provided with a first inclined surface (203) which is obliquely arranged from top to bottom and a second inclined surface (204) which is symmetrically arranged with the first inclined surface (204), the first inclined surface (203) and the second inclined surface (204) are respectively provided with a plurality of convex parts (208) at equal intervals, and the convex parts (208) are arranged in an arc shape; a first positioning part (301) is arranged on the side wall of the fixing part (311), the first positioning part (301) is a circle of concave ring, a first wear-resistant part (401) is embedded on the first positioning part (301), the first wear-resistant part (401) is made of a circle of wear-resistant plastic, the first wear-resistant part (401) is clamped into the first leakage-proof concave part (201), and the end part of the first wear-resistant part (401) is in contact with a first inclined surface (203) and a second inclined surface (204) on the first leakage-proof concave part (201); a second leakage-proof concave part (202) is arranged on the side wall of the anti-falling part (321), the second leakage-proof concave part (202) is a circle of concave ring, and a third inclined surface (205) which is obliquely arranged from top to bottom and a fourth inclined surface (206) which is symmetrically arranged with the third inclined surface (205) are arranged on the second leakage-proof concave part (202); a second positioning part (302) is arranged on the side wall of the fixing part (311), the second positioning part (302) is a circle of concave ring, a second wear-resistant part (402) is embedded on the second positioning part (302), the second wear-resistant part (402) is made of a circle of wear-resistant plastic, the second wear-resistant part (402) is clamped into the second leakage-proof concave part (202), and the end part of the second wear-resistant part (402) is in contact with a third inclined surface (205) and a fourth inclined surface (206) on the second leakage-proof concave part (202); the feeding device (7) comprises a first feeding mechanism (71) and a second feeding mechanism (72); the first feeding mechanism (71) and the second feeding mechanism (72) are provided with a feeding space for PVC films to pass through; the first feeding mechanism (71) comprises a rotating part (711) and a pressing roller (712) sleeved on the rotating part (711), and the pressing roller (712) is in rotation stopping connection with the rotating part (711); the heating component (82) is arranged in the box body (81); the heating component (82) comprises a first heating component (821) and a second heating component (822), wherein the first heating component (821) consists of a metal pipe, a rubber sleeve sleeved on the metal pipe and a resistance wire spirally arranged in the metal pipe; the second heating member (822) is arranged right below the first heating member (821), and a movable space for the PVC film to pass through is reserved between the two heating members.

2. The PVC film high efficiency cooling based processing system according to claim 1, wherein: the pressing roller (712) is provided with a deformation layer (715), and the deformation layer (715) is provided with a plurality of arc-shaped convex parts (716) at equal intervals.