CN211026902U

CN211026902U - PET multifunctional coating machine

Info

Publication number: CN211026902U
Application number: CN201921187878.5U
Authority: CN
Inventors: 张灵; 赵波; 胡堂贵; 金军强
Original assignee: Sichuan Yuxi New Material Co ltd
Current assignee: Sichuan Yuxi New Material Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-07-17
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a PET multifunctional coating machine, which comprises an unreeling device, a coating head, a drying oven, a cooling box and a reeling device which are connected in sequence, wherein the unreeling device and the reeling device are provided with deviation rectifying devices; the drying oven is characterized in that film guide rollers arranged in a staggered mode are arranged inside the drying oven, an air inlet pipe and a hot air circulating device are arranged at the top of the drying oven, the other end of the air inlet pipe is connected with a hot air source, the hot air circulating device comprises a circulating fan, an air return pipe connected with an air inlet of the circulating fan, an air supply pipe connected with an air outlet of the circulating fan, a heater fixed on the air supply pipe and an air equalizing box connected with the other end of the air supply pipe, the air equalizing box is fixed at the top of the drying oven, a through hole connected with the air supply pipe is formed in the upper wall of the air equalizing box, a plurality of uniformly distributed air outlet holes communicated with the inside of the drying oven are formed in the lower wall of the air equalizing. Through the utility model discloses, can avoid the coating skew, and high-efficient fast drying.

Description

PET multifunctional coating machine

Technical Field

The utility model relates to a coating equipment technical field, in particular to multi-functional coating machine of PET.

Background

The PET film is a packaging film with relatively comprehensive performance. The product has good transparency, luster, air tightness, fragrance retention, moderate moisture resistance and low moisture permeability at low temperature. The PET film has excellent mechanical performance, the toughness is the best of all thermoplastics, the tensile strength and the impact strength are much higher than those of the common films, and the surface of the PET film needs to be coated during the processing.

Among the prior art, current PET membrane coating mechanism can not effectual fixed position remove, and the coating in-process has the membrane skew condition to take place, still can not effectual utilization oven heat in addition, causes the energy waste.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at providing a prevent that membrane skew and cyclic utilization heat capacity's multi-functional coating machine of PET.

The technical scheme of the utility model as follows:

a PET multifunctional coating machine comprises an unwinding device comprising an unwinding roller, a coating head, a drying oven, a cooling box and a winding device comprising a receiving roller, wherein the unwinding device and the winding device are sequentially connected, the unwinding device and the winding device are provided with deviation rectifying devices, each deviation rectifying device comprises a deviation rectifying seat parallel to the unwinding roller or the receiving roller, the upper surface of each deviation rectifying seat is provided with a chute, two support rods are arranged in the chutes, the bottoms of the support rods are provided with slide blocks matched with the chutes, the slide blocks are fixed in the chutes through bolts, and the tops of the support rods are provided with limit baffles; the hot air circulation device comprises a circulating fan, a return air pipe connected with an air inlet of the circulating fan, an air supply pipe connected with an air outlet of the circulating fan, a heater fixed on the air supply pipe and an air equalizing box connected with the other end of the air supply pipe, wherein the air equalizing box is fixed at the inner top of the oven, the upper wall of the air equalizing box is provided with through holes connected with the air supply pipe, the lower wall of the air equalizing box is provided with a plurality of uniformly distributed air outlet holes communicated with the inside of the oven, and the other end of the return air pipe penetrates through the bottom of the oven and is connected with the inside of the oven.

Preferably, a filter screen is arranged in the air inlet pipe.

Preferably, the size of the air equalizing box is matched with the top in the oven.

Preferably, the air outlet holes are uniformly distributed on the lower wall of the whole air equalizing box.

Preferably, a filter screen is arranged at the air outlet.

Preferably, a trumpet-shaped flow expansion nozzle facing the inside of the oven is arranged at the air outlet.

Preferably, the support rod is a telescopic rod, the telescopic rod comprises an outer pipe and an inner pipe, the inner diameter of the outer pipe is equal to the outer diameter of the inner pipe, and the inner pipe and the outer pipe are in threaded fit connection.

Preferably, the bottom of the oven is symmetrically provided with the air equalizing box relative to the top of the oven.

Preferably, the bottom of the oven is provided with a pressure relief pipe with a valve.

Preferably, the high film guide rollers are arranged at the upper part in the oven through a support, the low film guide rollers are arranged at the lower part in the oven through a support, and the high film guide rollers and the low film guide rollers are uniformly distributed in a staggered manner.

The utility model has the advantages that:

1. through setting up deviation correcting device, can avoid the membrane to cause the film untidy when the coiling because of factors such as the constantly changing of tension in the coiling process, cause condemned condition to take place even.

2. Include the seat of rectifying a deviation parallel with blowing roller or receipts material roller through setting up deviation correcting device, the seat upper surface of rectifying a deviation is equipped with the spout, is equipped with two spinal branch vaulting poles in the spout, and the bracing piece bottom is equipped with the slider that matches with the spout, the slider passes through the bolt fastening in the spout, and the bracing piece top is equipped with limit baffle, can be according to the corresponding relative distance of the needs horizontal adjustment limit baffle of different membrane widths.

3. Be the telescopic link through setting up the bracing piece, the telescopic link includes outer tube and inner tube, the internal diameter of outer tube equals the external diameter of inner tube, and inner tube and outer tube screw-thread fit are connected, can adjust limit baffle's height to adapt to not co-altitude blowing or receive the material.

4. Through the film guide rollers with staggered heights, which are arranged inside the oven, the upper part of the film guide rollers is arranged in the oven through the support, the lower part of the film guide rollers is arranged in the oven through the support, and the film guide rollers are uniformly distributed in a staggered manner, so that the time of a film in the oven can be prolonged, and the film drying effect is ensured.

5. Through set up intake pipe and heated air circulation device at the oven top, the other end and the heat source of intake pipe are connected, can make the heat circulation of oven, improve the heat rate of utilization.

6. Through setting up heated air circulation device and including circulating fan, the return air duct that links to each other with the circulating fan air intake, the blast pipe that links to each other with the circulating fan air outlet, be fixed in the heater on the blast pipe and the box of wind sharing that links to each other with the blast pipe other end, the box of wind sharing is fixed at the oven top, and the upper wall of box of wind sharing is equipped with the through-hole that links to each other with the blast pipe, and the lower wall of box of wind sharing is equipped with a plurality of evenly distributed's exhaust vent with the inside intercommunication of oven, the other end of return air duct runs through the oven bottom and links to each other with the oven is inside, can make the hot-blast diffusion of endless evenly inside the oven, avoids having the phenomenon emergence.

7. Through setting up the filter screen in air-supply line inside to and air outlet department sets up the filter screen, can filter hot-blast, avoid impurity to get into the oven along with hot-blast, pollute the film.

8. Through top matching in setting up even wind box size and the oven, exhaust vent evenly distributed is in whole even wind box lower wall, and exhaust vent department is equipped with the loudspeaker form that faces oven inside and expands the class mouth, can make the hot-blast more even spreading of circulation inside whole oven, guarantees the inside temperature evenly distributed of oven.

9. Through set up the pressure release pipe that has the valve in the oven bottom, can release oven internal pressure as required.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the multifunctional PET coating machine of the present invention.

Fig. 2 is the oven structure schematic diagram of the multifunctional PET coating machine of the present invention.

Fig. 3 is the utility model discloses the oven box of all wind of multi-functional coating machine of PET overlooks the schematic diagram.

Fig. 4 is the structure schematic diagram of the oven box of the multifunctional PET coating machine with uniform wind in the upward view.

Fig. 5 is the structure schematic diagram of the oven flow expansion nozzle of the multifunctional PET coating machine of the present invention.

Fig. 6 is the structure schematic diagram of the deviation rectifying device of the multifunctional PET coating machine of the present invention.

Reference numbers in the figures:

1-unreeling device, 2-coating head, 3-oven, 301-film guide roller, 302-support, 303-air inlet pipe, 4-cooling box, 5-reeling device, 6-deviation correcting device, 601-deviation correcting seat, 602-chute, 603-support rod, 604-slide block, 605-limit baffle, 606-bolt, 7-film inlet roller, 8-film outlet roller, 901-circulating fan, 902-air return pipe, 903-air supply pipe, 904-heater, 905-air equalizing box, 906-through hole, 907-air outlet hole, 908-flow expansion nozzle, 10-hot air source, 11-filter screen, 12-valve and 13-pressure relief pipe.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1 to 6, a multifunctional PET coating machine includes an unwinding device 1 including an unwinding roller, a coating head 2, an oven 3, a cooling box 4, and a winding device 5 including a receiving roller, which are connected in sequence. Unwinding device 1 and coiling mechanism 5 are equipped with deviation correcting device 6, deviation correcting device 6 includes the seat 601 of rectifying a deviation parallel with blowing roller or receipts material roller, and the seat 601 upper surface of rectifying a deviation is equipped with spout 602, is equipped with two spinal branch vaulting poles 603 in the spout 602, bracing piece 603 is the telescopic link, the telescopic link includes outer tube and inner tube, the internal diameter of outer tube equals the external diameter of inner tube, and inner tube and outer tube screw-thread fit connect, and bracing piece 603 bottom is equipped with the slider 604 that matches with spout 602, slider 604 passes through bolt 606 to be fixed in spout 602, and the bracing piece 603 top is equipped with limit baffle 605. The film feeding roller 7 and the film discharging roller 8 are respectively arranged at the left end and the right end of the oven 3, the film guiding rollers 301 which are uniformly arranged in a staggered mode are arranged inside the oven 3, the high film guiding rollers are arranged at the upper portion inside the oven through a support 302, and the low film guiding rollers are arranged at the lower portion inside the oven through the support 302. The top of the oven 3 is provided with an air inlet pipe 303 and a hot air circulating device, a filter screen 11 is arranged inside the air inlet pipe 303, and the other end of the air inlet pipe 303 is connected with a hot air source 10. The hot air circulating device comprises a circulating fan 901, an air return pipe 902 connected with an air inlet of the circulating fan 901, an air supply pipe 903 connected with an air outlet of the circulating fan 901, a heater 904 fixed on the air supply pipe 903, and an air equalizing box 905 connected with the other end of the air supply pipe 903. The utility model discloses a drying oven, including the box 905 of wind equalizing, the upper wall of box 905 of wind equalizing is equipped with the through-hole 906 that links to each other with blast pipe 903, and the lower wall of box 905 of wind equalizing is equipped with a plurality of evenly distributed and the inside exhaust vent 907 that communicates of drying oven, exhaust vent 907 evenly distributed is in whole box 905 lower wall of wind equalizing, exhaust vent 907 department is equipped with filter screen 11 and the inside loudspeaker form diverging mouth 908 of orientation drying oven, the other end of return air pipe 902 runs through the drying oven bottom and links to each other with the drying oven is inside, the drying oven bottom is equipped with the bleeder 13 that has valve 12 and the box 905 of wind equalizing about the drying oven top symmetry.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.

Claims

1. A PET multifunctional coating machine is characterized by comprising an unreeling device containing an unreeling roller, a coating head, a drying oven, a cooling box and a reeling device containing a receiving roller, wherein the unreeling device and the reeling device are provided with deviation correcting devices, each deviation correcting device comprises a deviation correcting seat parallel to the unreeling roller or the receiving roller, a sliding groove is formed in the upper surface of each deviation correcting seat, two support rods are arranged in the sliding groove, a sliding block matched with the sliding groove is arranged at the bottom of each support rod, the sliding block is fixed in the sliding groove through bolts, and a limiting baffle is arranged at the top of each support rod; the hot air circulation device comprises a circulating fan, a return air pipe connected with an air inlet of the circulating fan, an air supply pipe connected with an air outlet of the circulating fan, a heater fixed on the air supply pipe and an air equalizing box connected with the other end of the air supply pipe, wherein the air equalizing box is fixed at the inner top of the oven, the upper wall of the air equalizing box is provided with through holes connected with the air supply pipe, the lower wall of the air equalizing box is provided with a plurality of uniformly distributed air outlet holes communicated with the inside of the oven, and the other end of the return air pipe penetrates through the bottom of the oven and is connected with the inside of the oven.

2. The PET multifunctional coater according to claim 1, wherein a filter screen is provided inside the air inlet pipe.

3. The PET multifunctional coater according to claim 2, wherein the size of the air equalizing box is matched with the top in the oven.

4. The PET multifunctional coating machine as claimed in claim 3, wherein the air outlet holes are uniformly distributed on the whole lower wall of the air homogenizing box.

5. The PET multifunctional coating machine according to any one of claims 1-4, characterized in that a filter screen is arranged at the air outlet.

6. The PET multifunctional coater according to any one of claims 1-4, characterized in that a trumpet-shaped flow expansion nozzle facing the inside of the oven is arranged at the air outlet.

7. The multifunctional PET coater according to claim 1, wherein the support rod is a telescopic rod, the telescopic rod comprises an outer tube and an inner tube, the inner diameter of the outer tube is equal to the outer diameter of the inner tube, and the inner tube and the outer tube are in threaded fit connection.

8. The PET multifunctional coater according to claim 1, wherein the oven bottom is symmetrically provided with a wind equalizing box about the oven top.

9. The multifunctional PET coater according to claim 1 or 8, wherein the oven bottom is provided with a pressure relief pipe having a valve.

10. The multifunctional PET coating machine according to claim 1, wherein the film guide roller at a higher position in the oven is arranged at the upper part in the oven through a support, the film guide roller at a lower position in the oven is arranged at the lower part in the oven through a support, and the film guide rollers at a higher position and the film guide rollers at a lower position are uniformly distributed in a staggered manner.