CN219600706U - Film-coating hot-drying device of film-coating machine - Google Patents

Abstract

The utility model discloses a film-covering hot drying device of a film-covering machine, which comprises a drying box, a drying and blowing mechanism and an auxiliary drying mechanism, wherein two ends of the drying box are provided with material guide openings which are communicated with each other and are convenient for paper tapes to enter and exit; the drying and blowing mechanism comprises a drying and blowing box arranged in the drying and blowing box, the top of the drying and blowing box is provided with a hollowed-out plate which is penetrated upwards, and a heating pipe capable of inputting hot air flow is fixed in the drying and blowing box along the length direction of the drying and blowing box; the auxiliary drying mechanism comprises an air suction cover arranged above the drying box, high-temperature high-pressure hot air is uniformly dispersed in the drying box through the heating pipe under the cooperation of the air guide holes, under the action of air pressure, the heat flow in the box can be uniformly sprayed on paper tapes passing through the upper part through the hollowed-out plate and the air guide holes, so that glue on the film body is sufficiently dried, and compared with conventional electric heating baking, the drying mode is easier to control in temperature, higher in drying efficiency and shorter in stroke.

Description

Film-coating hot-drying device of film-coating machine

Technical Field

The utility model relates to the technical field of drying devices for film coating machines, in particular to a film coating hot drying device of a film coating machine.

Background

The film coating machine can be divided into a coating machine and a precoating type film coating machine; the film laminating process is special equipment for paper, board and film lamination; the rubber roller and the heating roller are pressed together to form a two-in-one product.

At present, most of the existing film laminating machines adopt heating and drying modes for paper, after the film is glued, the film is sent into a drying oven provided with a plurality of heating pipes by a drying roller which is rotationally connected to a rack for drying, but the drying oven has the defects of slow drying effect, long hot drying time and difficult temperature control on water-based dry glue, thereby influencing the processing efficiency.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

Therefore, the utility model aims to provide a film-coating hot-drying device of a film-coating machine, so as to solve the problems that the existing drying box provided in the background art has the defects of slow drying effect, long hot-drying time and difficult control of temperature on water-based dry coating glue, and thus the processing efficiency is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: film laminating machine tectorial membrane heat is device futilely, it includes:

the two ends of the drying box are provided with material guide openings which are communicated with each other and are convenient for paper tape to enter and exit;

the drying and blowing mechanism comprises a drying and blowing box arranged in the drying and blowing box, the top of the drying and blowing box is provided with a hollowed-out plate which is penetrated upwards, and a heating pipe capable of inputting hot air flow is fixed in the drying and blowing box along the length direction of the drying and blowing box;

the auxiliary drying mechanism comprises an air suction cover arranged above the drying box, a return pipe communicated with the drying box is arranged at the upper end of the air suction cover, and a dehumidifying component is further arranged between the return pipe and the air suction cover.

As a preferable scheme of the sealing ring discharging device of the spray head pump, a box door is further arranged on the front face of the drying box.

As a preferable scheme of the discharging device of the sealing ring of the spray head pump, the hollow plate is provided with a plurality of uniformly distributed air holes, and the heating pipe body is provided with uniformly distributed air guide holes along the length direction of the heating pipe body.

As a preferable scheme of the sealing ring discharging device of the spray head pump, the drying and blowing mechanism further comprises a gas pipe communicated with one end of the heating pipe and a first fan arranged on the gas pipe, and one end, far away from the heating pipe, of the gas pipe is communicated with the heating device.

As a preferable scheme of the sealing ring discharging device of the spray head pump, a plurality of guide rollers are distributed above the hollowed-out plate at equal intervals along the length direction of the hollowed-out plate, and two ends of the guide rollers are in free rotary connection with the drying box.

As a preferred embodiment of the seal ring discharging device of the shower nozzle pump, the auxiliary drying mechanism further comprises a second fan arranged on the return pipe.

Compared with the prior art, the utility model has the beneficial effects that: according to the film laminating machine film laminating hot drying device, when the film laminating machine film laminating hot drying device works, high-temperature and high-pressure hot air flows are uniformly dispersed in the drying and blowing box through the heating pipe under the cooperation of the air guide holes, under the action of air pressure, the heat flows in the box can be uniformly sprayed on paper tapes passing above through the hollowed-out plates and the air guide holes, so that glue on a film body is sufficiently dried, and compared with conventional electric heating baking, the temperature is easier to control, and meanwhile, the drying efficiency is higher and the travel is shorter; simultaneously, in order to keep the inside drivability and the stoving effect of stoving case, can filter the moisture that evaporates in the paper tape film body through the cover of breathing in under the cooperation of back flow, dehumidification unit and second fan and inhale, can guide into the stoving case again through the back flow with the hot-blast stream after filtering simultaneously to realized the circulation operation of hot-blast, and to the make full use of heat energy, and then improved its drying efficiency.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present utility model;

FIG. 2 is a schematic diagram of the combination of the drying and blowing mechanism and the auxiliary drying mechanism of the present utility model;

FIG. 3 is a schematic view of the structure of the drying and blowing box of the present utility model.

In the figure: 100. a drying box; 110. a material guiding port; 120. a door; 200. a baking and blowing mechanism; 210. a drying and blowing box; 210a, hollowed-out plates; 210a-1, air holes; 220. heating pipes; 220a, air guide holes; 230. a gas pipe; 240. a first fan; 250. a guide roller; 300. an auxiliary drying mechanism; 310. an air suction cover; 320. a return pipe; 320a, a second fan; 330. a dehumidifying part.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Fig. 1 to 3 are schematic views showing the whole structure of a film laminating machine film laminating hot drying apparatus according to the present utility model, referring to fig. 1 to 3, the film laminating machine film laminating hot drying apparatus of the present embodiment includes a drying box 100, a drying blowing mechanism 200 and an auxiliary drying mechanism 300.

The drying box 100, its both ends have the material guiding mouth 110 that communicates each other and be convenient for paper tape business turn over, and drying box 100 openly still installs and is provided with chamber door 120, makes things convenient for the staff to draw forth two material guiding mouths 110 departments around with the paper tape after the tectorial membrane behind opening chamber door 120 to form the parcel with hot air current through drying box 100, prevent that the heat source from excessively dispersing.

The baking and blowing mechanism 200 comprises a baking and blowing box 210 arranged in the baking and blowing box 100, wherein a hollowed-out plate 210a penetrating upwards is arranged at the top of the baking and blowing box 210, a heating pipe 220 capable of inputting hot air flow is fixed in the baking and blowing box 210 along the length direction of the baking and blowing box 210, in the embodiment, a plurality of uniformly distributed air holes 210a-1 are formed in the hollowed-out plate 210a, uniformly distributed air guide holes 220a are formed in the heating pipe 220 along the length direction of the heating pipe 220, during operation, the heating pipe 220 uniformly distributes high-temperature and high-pressure hot air flow in the baking and blowing box 210 under the cooperation of the air guide holes 220a, under the action of air pressure, the heat flow in the box can be uniformly sprayed on paper tapes passing through the upper parts through the hollowed-out plate 210a and the air guide holes 220a, so that glue on a film body can be sufficiently dried.

The baking and blowing mechanism 200 further comprises an air pipe 230 and a first fan 240, wherein the air pipe 230 is communicated with one end of the heating pipe 220, the first fan 240 is arranged on the air pipe 230, one end, far away from the heating pipe 220, of the air pipe 230 is communicated with the heating device, and the air pipe 230 can continuously drain a heat source generated by the operation of the heating device to the heating pipe 220 under the suction of the first fan 240;

further, the heating device in this embodiment may adopt a heating wire heating mode, or other heating modes capable of providing a heat source, which is not limited in this example.

A plurality of guide rollers 250 are equidistantly distributed above the hollowed-out plate 210a along the length direction of the hollowed-out plate, and the two ends of the guide rollers 250 are in free rotation connection with the drying box 100, as the paper tape film body can form up-and-down fluctuation under the blowing of the drying box 210, the drying effect of colloid and the stable output of paper tape are affected, the top of the paper tape can be reversely pressed by arranging the plurality of freely rotating guide rollers 250, so that the drying box 210 can form continuous stable drying on the paper tape in a short distance

The auxiliary drying mechanism 300 comprises an air suction cover 310 arranged above the drying box 100, a return pipe 320 communicated with the drying box 210 is arranged at the upper end of the air suction cover 310, a dehumidifying component 330 is arranged between the return pipe 320 and the air suction cover 310, and in the embodiment, the auxiliary drying mechanism 300 further comprises a second fan 320 arranged on the return pipe 320; further, the dehumidifying component 330 in the present embodiment may employ a dehumidifier or may be provided with a desiccant filter layer inside, so as to absorb and filter moisture in the air.

Because the paper tape film body can produce a small amount of water vapor during drying, in order to maintain the drying performance and the drying effect inside the drying box 100, the air suction cover 310 can filter and suck the evaporated moisture in the paper tape film body under the cooperation of the return pipe 320, the dehumidifying component 330 and the second fan 320, and simultaneously, the filtered hot air flow can be reintroduced into the drying and blowing box 210 through the return pipe 320, thereby realizing the circulation operation of hot air, fully utilizing the heat energy and further improving the drying efficiency of the drying and blowing box.

In summary, in the film laminating machine film-coating heat drying device of the present embodiment, during operation, after the box door 120 is opened, a worker conveniently leads out the paper tape after film lamination from the front and rear two material guide openings 110, then the heating pipe 220 evenly distributes high-temperature and high-pressure hot air in the drying and blowing box 210 under the cooperation of the air guide holes 220a, under the action of air pressure, the heat flow in the box can be evenly sprayed on the paper tape passing above through the hollowed-out plate 210a and the air guide holes 220a, so that the glue on the film body is fully dried, meanwhile, the evaporated moisture in the paper tape film body can be filtered and sucked through the air suction cover 310 under the cooperation of the return pipe 320, the dehumidifying component 330 and the second fan 320, and meanwhile, the filtered hot air can be reintroduced into the drying and blowing box 210 through the return pipe 320, thereby realizing the circulation operation and drying of the hot air.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. The film-coating hot drying device of the film-coating machine is characterized by comprising

The two ends of the drying box (100) are provided with material guide openings (110) which are communicated with each other and are convenient for paper tape to enter and exit;

the drying and blowing mechanism (200) comprises a drying and blowing box (210) arranged in the drying and blowing box (100), wherein a hollowed-out plate (210 a) penetrating upwards is arranged at the top of the drying and blowing box (210), and a heating pipe (220) capable of inputting hot air flow is fixed in the drying and blowing box (210) along the length direction;

the auxiliary drying mechanism (300) comprises an air suction cover (310) arranged above the drying box (100), a return pipe (320) communicated with the drying box (210) is arranged at the upper end of the air suction cover (310), and a dehumidifying component (330) is further arranged between the return pipe (320) and the air suction cover (310).

2. The laminator film-coating heat drying device of claim 1, wherein: the front of the drying box (100) is also provided with a box door (120).

3. The laminator film-coating heat drying device of claim 1, wherein: a plurality of uniformly distributed air holes (210 a-1) are formed in the hollowed-out plate (210 a), and uniformly distributed air guide holes (220 a) are formed in the heating pipe (220) body along the length direction of the heating pipe body.

4. The laminator film-coating heat drying device of claim 1, wherein: the baking and blowing mechanism (200) further comprises a gas pipe (230) communicated with one end of the heating pipe (220) and a first fan (240) arranged on the gas pipe (230), and one end, far away from the heating pipe (220), of the gas pipe (230) is communicated with the heating device.

5. The laminator film-coating heat drying device of claim 1, wherein: a plurality of guide rollers (250) are distributed above the hollowed-out plate (210 a) at equal intervals along the length direction of the hollowed-out plate, and two ends of the guide rollers (250) are in free rotary connection with the drying box (100).

6. The laminator film-coating heat drying device of claim 1, wherein: the auxiliary drying mechanism (300) further comprises a second fan (320 a) arranged on the return pipe (320).