CN211169157U - Film guide device of film blowing machine - Google Patents

Abstract

The utility model provides a film blowing machine leads membrane device belongs to film blowing machine technical field, including leading the membrane case, leading membrane subassembly, press mold subassembly, the subassembly that admits air and blow the subassembly, the left and right sides of leading the membrane case is provided with into the membrane mouth respectively and goes out the membrane mouth, it all is equipped with the live-rollers in membrane mouth and the play membrane mouth to enter, it all sets up in leading the membrane incasement with press mold subassembly to lead membrane subassembly to press mold subassembly is located the top of leading membrane subassembly, the subassembly that admits air sets up the side of leading the membrane case, the subassembly that blows sets up in the inside bottom of leading the membrane case to blow the subassembly and be located the below of leading membrane subassembly, it is linked together with the subassembly that admits air to blow the subassembly, the utility model provides a current film blowing machine leads the direct film rolling to the wind-up roller with the film of higher temperature of membrane device, takes place between the film easily and glues even, influences the problem.

Description

Film guide device of film blowing machine

Technical Field

The utility model belongs to the technical field of the inflation film manufacturing machine technique and specifically relates to a film guiding device of inflation film manufacturing machine is related to.

Background

The film blowing machine consists of an extruder, a machine head, a die head, a cooling device and the like, plastic particles are heated and melted and blown into a film, the film is wound into a cylinder through a traction roller and a winding device, the blown film is clean, a bag has good stretching capacity, and the film has good barrier property and is applied to various fresh fruits, vegetables and meat products. After the raw material is blown into a film by a film blowing machine, the formed film needs to be rolled up by a rolling device, and in order to ensure that the film is relatively flat during rolling, a film guide device is arranged between the film blowing machine and the rolling device so as to guide the film.

The film guide device of the existing film blowing machine utilizes a plurality of film guide rollers to guide films, and the films are directly wound on a winding roller by the films at higher temperature due to the fact that the surfaces of the films are at higher temperatures after being blown out by the blow molding machine, and are easily adhered to each other, so that the later-stage use of the films is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a film blowing machine film guide device to solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a film blowing machine leads membrane device, including leading the membrane case, leading membrane subassembly, press mold subassembly, the subassembly that admits air and the subassembly of blowing, the left and right sides of leading the membrane case is provided with into the membrane mouth respectively and goes out the membrane mouth, it all is equipped with the live-rollers in the membrane mouth and the play membrane mouth to advance, it all sets up at leading the membrane incasement with the press mold subassembly to lead membrane subassembly to press mold subassembly is located the top of leading the membrane subassembly, the subassembly setting that admits air is at the side of leading the membrane case, the subassembly setting of blowing is in the inside bottom of leading the membrane case, and the subassembly of blowing is located the below of leading the membrane subassembly, the subassembly of blowing is linked together with the subassembly of admitting air.

Further, it includes driving motor, drive sprocket, chain, a plurality of and leads membrane roller and a plurality of driven sprocket to lead the membrane roller and can rotate and install in leading the membrane incasement to the one end that a plurality of led the membrane roller extends to the outside of leading the membrane case, a plurality of driven sprocket leads the membrane roller respectively with a plurality of and extends to the one end fixed connection who leads the outside of membrane case, driving motor is the level setting on the lateral wall of leading the membrane case, drive sprocket and driving motor's output shaft fixed connection, the chain cover is established in driving sprocket and a plurality of driven sprocket's outside.

Further, the press mold subassembly includes lifter plate, two slide rails, two lift cylinders, a plurality of mount pad and a plurality of press mold roller, two the slide rail is the symmetry and sets up on the inside wall of leading the membrane case, the lifter plate can slidable mounting on two slide rails, two the lift cylinder is the symmetry and sets up lead the top of membrane case to the output of two lift cylinders extends to the top fixed connection with the lifter plate, a plurality of the mount pad is equidistant setting in the bottom of lifter plate, a plurality of the press mold roller can rotate respectively and install in a plurality of mount pad to a plurality of press mold roller leads membrane roller one-to-one with a plurality of.

Further, the subassembly of blowing includes movable plate, gas-supply pipe, two lead screw slip tables and a plurality of air blowing piece, two the lead screw slip table is the inside bottom that the symmetry set up at the guide membrane case, the both ends of movable plate respectively with the removal end fixed connection of two lead screw slip tables, the gas-supply pipe is installed on the lateral wall of guide membrane case, a plurality of air blowing piece is equidistant setting at the top of movable plate to a plurality of air blowing piece all is linked together with the gas-supply pipe, every air blowing piece all includes gas blow pipe, hose and the jet-propelled head of a plurality of, the top at the movable plate is installed to the gas blow pipe, a plurality of the jet-propelled head is equidistant setting on the gas blow pipe, the both ends of hose are linked together with gas blow pipe and conveyer pipe respectively.

Further, the air inlet component includes air inlet box, air filter plate, air exhauster, first pipeline, second pipeline, two air inlet fan and two limiting plates, the air inlet box sets up at the side of leading the membrane case, two the air inlet fan is the symmetry and sets up on the lateral wall of air inlet box to all be equipped with first dust screen on two air inlet fan, two the limiting plate is the symmetry and sets up on the inside wall of air inlet box, the air filter plate sets up on two limiting plates to the both ends of air filter plate respectively with two limiting plate sliding fit, the top of air inlet box is equipped with the logical groove that supplies the air filter plate to pass, the air exhauster sets up at the air inlet box and leads between the membrane case, the both ends of first pipeline are linked together with the input of air exhauster and air inlet box respectively, the both ends of second pipeline are linked together with the output and the gas-supply pipe of air exhauster respectively.

Further, the top of leading the membrane case is equipped with two air discharge fans, two all be equipped with the second dust screen on the air discharge fan.

Compared with the prior art, the beneficial effects of the utility model reside in that:

one of which, the utility model discloses the film after the inflation film manufacturing machine blew off is carried to leading the membrane incasement through the live-rollers of advancing the membrane mouth, then lead membrane subassembly and press mold assembly work and carry the film and remove in leading the membrane incasement, the film is leading the interior subassembly of admitting air and the synchronous work of subassembly of blowing of removal in the membrane incasement, the subassembly of admitting air carries the air in the external world to the subassembly of blowing, the operation of blowing is blown to the film to the subassembly of blowing, blow the cooling to the film surface, the refrigerated purpose of cooling down to the film surface has been reached, film after the cooling down at last leaves through the live-rollers of going out the membrane mouth and leads the membrane case to carry out the rolling, film owing to the higher glutinous phenomenon that causes between the film of film surface temperature when the rolling has been avoided through above-mentioned step, can not influence the later stage use.

Two, the utility model discloses when leading membrane module during operation, drive the lifter plate through two lift cylinder work and move down on two slide rails, install a plurality of press mold roller also synchronous the downstream in a plurality of mount pad, a plurality of press mold roller downstream is contradicted to the upper surface with the film, has reached and has carried out spacing purpose to the film, prevents to blow the subassembly film and a plurality of press mold roller separation when blowing the operation to the film.

Three, the utility model discloses a two lead screw slip table work drive movable plate lift, the movable plate drives a plurality of and blows a synchronous lift, adjust the distance between a plurality of piece and the film of blowing, the operation of conveniently blowing to the film of different thickness, avoid a plurality of to blow the phenomenon that the distance between piece and the film caused the emergence to blow through the film short, the subassembly that admits air is to the intraductal carrier gas of gas transmission, then the gas in the gas transmission is through hose flow to the gas blowing intraductal, gas in the gas blowing pipe spouts to the film surface through a plurality of jet-propelled head afterwards, the purpose of the cooling of blowing to the film surface has been reached.

Drawings

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

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

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

FIG. 3 is a partial cross-sectional view of the present invention;

fig. 4 is a schematic view of a partial three-dimensional structure of the present invention;

FIG. 5 is a partial cross-sectional view of the intake assembly of the present invention;

fig. 6 is a schematic perspective view of the air intake box of the present invention.

Reference numerals:

the film guide device comprises a film guide box 1, an exhaust fan 11, a second dust screen 12, a film guide assembly 2, a driving motor 21, a driving sprocket 22, a chain 23, a film guide roller 24, a driven sprocket 25, a film pressing assembly 3, a lifting plate 31, a slide rail 32, a lifting cylinder 33, a mounting seat 34, a film pressing roller 35, an air inlet assembly 4, an air inlet box 41, an air filter plate 42, an exhaust fan 43, a first pipeline 44, a second pipeline 45, an air inlet fan 46, a limiting plate 47, a first dust screen 48, a through groove 49, an air blowing assembly 5, a moving plate 51, an air pipe 52, a screw rod sliding table 53, an air blowing piece 54, an air blowing pipe 55, a hose 56, an air nozzle 57, a film inlet 6, a film outlet 7 and a rotating roller 8.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a film guiding device of a film blowing machine, which is shown by combining with figures 1-6 below, and comprises a film guiding box 1, a film guiding component 2, a film pressing component 3, an air inlet component 4 and an air blowing component 5, wherein the left side and the right side of the film guiding box 1 are respectively provided with a film inlet 6 and a film outlet 7, the film inlet 6 and the film outlet 7 are respectively provided with a rotating roller 8, the film guiding component 2 and the film pressing component 3 are both arranged in the film guiding box 1, the film pressing component 3 is arranged above the film guiding component 2, the air inlet component 4 is arranged at the side of the film guiding box 1, the air blowing component 5 is arranged at the bottom inside the film guiding box 1, the air blowing component 5 is arranged below the film guiding component 2, the air blowing component 5 is communicated with the air inlet component 4, a film blown out by the film blowing machine is conveyed into the film guiding box 1 through the rotating roller 8 of the film inlet 6, then the film guiding component 2 and the film pressing component 3 work and convey the film in the film guiding box 1, the film is leading the membrane case 1 removal in the subassembly 4 that admits air and the 5 synchronous workings of subassembly that blows, admit air subassembly 4 with external air transport to the subassembly 5 that blows in, the subassembly 5 that blows is blown the operation to the film, blow the cooling to the film surface, the refrigerated purpose of cooling down to the film surface has been reached, the film after the cooling down at last leaves through the live-rollers 8 of play membrane mouth 7 and leads to membrane case 1 to carry out the rolling, the film has been avoided through above-mentioned step when the rolling because the higher phenomenon that causes the adhesion to take place between the film of film surface temperature, can not influence the later stage use of film, the practicality is stronger.

Specifically, the film guiding assembly 2 comprises a driving motor 21, a driving sprocket 22, a chain 23, a plurality of film guiding rollers 24 and a plurality of driven sprockets 25, wherein the plurality of film guiding rollers 24 can be rotatably installed in the film guiding box 1, one end of each of the plurality of film guiding rollers 24 extends to the outside of the film guiding box 1, the plurality of driven sprockets 25 are fixedly connected with one ends of the plurality of film guiding rollers 24 extending to the outside of the film guiding box 1, the driving motor 21 is horizontally arranged on the outer side wall of the film guiding box 1, the driving sprocket 22 is fixedly connected with an output shaft of the driving motor 21, the chain 23 is sleeved on the outside of the driving sprocket 22 and the plurality of driven sprockets 25, when a film is conveyed to the film guiding box 1 through a rotating roller 8 of a film inlet 6, the driving motor 21 works to drive the driving sprocket 22 to rotate, and the chain 23 is sleeved on the outside of the driving sprocket 22 and the plurality of driven sprockets 25, therefore, the driving sprocket 22 drives the driven sprockets 25 and the chain 23 to rotate synchronously, the driven sprockets 25 drive the film guide rollers 24 to rotate, and the film guide rollers 24 drive the film to move in the film guide box 1, so that the aim of conveying the film to move in the film guide box 1 is fulfilled.

Specifically, the film pressing assembly 3 comprises a lifting plate 31, two sliding rails 32, two lifting cylinders 33, a plurality of mounting seats 34 and a plurality of film pressing rollers 35, wherein the two sliding rails 32 are symmetrically arranged on the inner side wall of the film guiding box 1, the lifting plate 31 can be slidably mounted on the two sliding rails 32, the two lifting cylinders 33 are symmetrically arranged at the top of the film guiding box 1, the output ends of the two lifting cylinders 33 extend to be fixedly connected with the top of the lifting plate 31, the plurality of mounting seats 34 are equidistantly arranged at the bottom of the lifting plate 31, the plurality of film pressing rollers 35 can be respectively rotatably mounted in the plurality of mounting seats 34, the plurality of film pressing rollers 35 are in one-to-one correspondence with the plurality of film guiding rollers 24, when the film guiding assembly 2 works, the lifting plate 31 is driven to move downwards on the two sliding rails 32 through the work of the two lifting cylinders 33, install a plurality of press mold roller 35 in a plurality of mount pad 34 and also move down in step, a plurality of press mold roller 35 moves down to contradict with the upper surface of film, has reached and has carried out spacing purpose to the film, prevents to blow subassembly 5 film and a plurality of press mold roller 35 separation when blowing the operation to the film.

Specifically, the subassembly of blowing 5 includes movable plate 51, gas-supply pipe 52, two lead screw slip tables 53 and a plurality of piece 54 of blowing, two lead screw slip tables 53 are the symmetry and set up in the inside bottom of leading membrane case 1, the both ends of movable plate 51 respectively with the removal end fixed connection of two lead screw slip tables 53, gas-supply pipe 52 is installed on the lateral wall of leading membrane case 1, a plurality of piece 54 of blowing is equidistant setting at the top of movable plate 51 to a plurality of piece 54 of blowing all is linked together with gas-supply pipe 52, every piece 54 of blowing all includes gas blow pipe 55, hose 56 and a plurality of jet-propelled head 57, gas blow pipe 55 is installed at the top of movable plate 51, a plurality of jet-propelled head 57 is equidistant setting on gas blow pipe 55, the both ends of hose 56 are linked together with gas blow pipe 55 and conveyer pipe respectively, drive movable plate 51 through two lead screw slip tables 53 work and go up and down, the movable plate 51 drives the plurality of blowing pieces 54 to synchronously lift, the distance between the plurality of blowing pieces 54 and the film is adjusted, the films with different thicknesses can be conveniently blown, the phenomenon that the films are blown to be broken due to the fact that the distance between the plurality of blowing pieces 54 and the films is short is avoided, the air inlet assembly 4 conveys air into the air conveying pipe 52, then the air in the air conveying pipe 52 flows into the air blowing pipe 55 through the hose 56, and then the air in the air blowing pipe 55 is sprayed to the surface of the film through the plurality of air nozzles 57, so that the purpose of blowing and cooling the surface of the film is achieved.

Specifically, the air intake assembly 4 includes an air intake box 41, an air filter plate 42, an exhaust fan 43, a first pipeline 44, a second pipeline 45, two air intake fans 46 and two limiting plates 47, the air intake box 41 is disposed beside the membrane guiding box 1, the two air intake fans 46 are symmetrically disposed on the outer side wall of the air intake box 41, and two air intake fans 46 are respectively provided with a first dust screen 48, the two limiting plates 47 are symmetrically disposed on the inner side wall of the air intake box 41, the air filter plate 42 is disposed on the two limiting plates 47, and two ends of the air filter plate 42 are respectively in sliding fit with the two limiting plates 47, the top of the air intake box 41 is provided with a through groove 49 for the air filter plate 42 to pass through, the exhaust fan 43 is disposed between the air intake box 41 and the membrane guiding box 1, two ends of the first pipeline 44 are respectively communicated with the input end of the exhaust fan 43 and the air intake box 41, two ends of the second pipeline 45 are respectively communicated with the output end of the exhaust fan 43 and, carry the outside air to the inlet box 41 through two fans 46 work in, the first dust screen 48 among two fans 46 avoids in the air great impurity gets into the inlet box 41, then the air filter plate 42 filters the tiny impurity in the air, later the air after the work extraction of air exhauster 43 is filtered in the inlet box 41 flows to the gas-supply pipe 52 in through first pipeline 44 and second pipeline 45, reached the purpose for blowing component 5 conveying gas, the both ends of air filter plate 42 respectively with two limiting plate 47 sliding fit simultaneously, make things convenient for the manual work to regularly change air filter plate 42.

Specifically, the top of leading membrane case 1 is equipped with two exhaust fans 11, two all be equipped with second dust screen 12 on the exhaust fan 11, will lead the gas outgoing in the membrane case 1 through 11 work of exhaust fan, prevent to lead and take place overheated phenomenon in the membrane case 1, and the great impurity entering in the air is avoided to the second dust screen 12 on two exhaust fans 11 to lead in the membrane case 1.

The utility model discloses the theory of operation: when the film blowing device is used, a film blown out by the film blowing machine is conveyed into the film guide box 1 through the rotating roller 8 of the film inlet 6, then the driving motor 21 works to drive the driving sprocket 22 to rotate, because the chain 23 is sleeved outside the driving sprocket 22 and the driven sprockets 25, the driving sprocket 22 drives the driven sprockets 25 and the chain 23 to synchronously rotate, the driven sprockets 25 drive the film guide rollers 24 to rotate along with the film guide rollers 24, the film guide rollers 24 drive the film to move in the film guide box 1, two lifting cylinders 33 work to drive the lifting plate 31 to move downwards on two slide rails 32 while the driving motor 21 works, the film pressing rollers 35 arranged in the installation seats 34 also synchronously move downwards, the film pressing rollers 35 move downwards to be abutted against the upper surface of the film, the purpose of limiting the film is achieved, the film is prevented from being separated from the film pressing rollers 35 when the film blowing operation is carried out on the film by the film blowing assembly 5, two air inlet fans 46 work to convey outside air into the air inlet box 41 while the film moves in the film guide box 1, a first dustproof net 48 in the two air inlet fans 46 prevents larger impurities in the air from entering the air inlet box 41, then an air filter plate 42 filters fine impurities in the air, then an exhaust fan 43 works to extract the filtered air in the air inlet box 41 to flow into an air conveying pipe 52 through a first pipeline 44 and a second pipeline 45, the air in the air conveying pipe 52 flows into an air blowing pipe 55 through a hose 56, the air in the air blowing pipe 55 is sprayed to the surface of the film through a plurality of air nozzles 57, the purpose of blowing and cooling the surface of the film is achieved, two screw rod sliding tables 53 work to drive a movable plate 51 to lift, the movable plate 51 drives a plurality of blowing pieces 54 to lift synchronously, the distance between the plurality of blowing pieces 54 and the film is adjusted, and the blowing operation of films with different thicknesses is convenient, the phenomenon that the film is blown to be broken due to the fact that the distance between the plurality of air blowing pieces 54 and the film is short is avoided, the film cooled at last is separated from the film guiding box 1 through the rotating roller 8 of the film outlet 7 to be rolled, the phenomenon that the film is adhered to each other due to the fact that the surface temperature of the film is high when the film is rolled is avoided through the steps, the later-stage use of the film cannot be influenced, and the practicability is high.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. The utility model provides a inflation film manufacturing machine leads membrane device which characterized in that: including leading membrane case (1), leading membrane module (2), press mold subassembly (3), admit air subassembly (4) and blow subassembly (5), the left and right sides of leading membrane case (1) is provided with respectively and advances membrane mouth (6) and go out membrane mouth (7), it all is equipped with in membrane mouth (6) and the play membrane mouth (7) and rotates roller (8) to advance, it all sets up in leading membrane case (1) with press mold subassembly (3) to press mold subassembly (3) are located the top of leading membrane subassembly (2), admit air subassembly (4) set up the side of leading membrane case (1), blow subassembly (5) and set up in the inside bottom of leading membrane case (1) to blow subassembly (5) and be located the below of leading membrane subassembly (2), it is linked together with subassembly (4) to blow subassembly (5) and admit air.

2. The film guiding device of the film blowing machine according to claim 1, characterized in that: lead membrane module (2) and include driving motor (21), driving sprocket (22), chain (23), a plurality of and lead membrane roller (24) and a plurality of driven sprocket (25), a plurality of lead membrane roller (24) and can rotate and install in leading membrane case (1) to the one end of a plurality of guide membrane roller (24) extends to the outside of leading membrane case (1), a plurality of driven sprocket (25) lead membrane roller (24) with a plurality of respectively and extend to the outside one end fixed connection of leading membrane case (1), driving motor (21) are the level and set up on the lateral wall of leading membrane case (1), driving sprocket (22) and driving motor's (21) output shaft fixed connection, the outside at driving sprocket (22) and a plurality of driven sprocket (25) is established in chain (23) cover.

3. The film guiding device of the film blowing machine according to claim 2, characterized in that: press mold subassembly (3) include lifter plate (31), two slide rails (32), two lift cylinders (33), a plurality of mount pad (34) and a plurality of press mold roller (35), two slide rail (32) are the symmetry and set up on the inside wall of leading membrane case (1), lifter plate (31) can slidable mounting on two slide rails (32), two lift cylinder (33) are the symmetry and set up lead the top of membrane case (1) to the output of two lift cylinders (33) extends to the top fixed connection with lifter plate (31), a plurality of mount pad (34) are equidistant setting in the bottom of lifter plate (31), a plurality of press mold roller (35) can rotate respectively and install in a plurality of mount pad (34) to a plurality of press mold roller (35) and a plurality of lead membrane roller (24) one-to-one.

4. The film guiding device of the film blowing machine according to claim 1, characterized in that: the blowing assembly (5) comprises a movable plate (51), a gas pipe (52), two screw rod sliding tables (53) and a plurality of blowing pieces (54), wherein the screw rod sliding tables (53) are symmetrically arranged at the bottom end inside the film guide box (1), the two ends of the movable plate (51) are fixedly connected with the moving ends of the two screw rod sliding tables (53) respectively, the gas pipe (52) is arranged on the outer side wall of the film guide box (1), the blowing pieces (54) are equidistantly arranged at the top of the movable plate (51), and the blowing pieces (54) are communicated with the gas pipe (52) respectively, each blowing piece (54) comprises a blowing pipe (55), a hose (56) and a plurality of blowing heads (57), the blowing pipe (55) is arranged at the top of the movable plate (51), and the blowing heads (57) are equidistantly arranged on the blowing pipe (55), two ends of the hose (56) are respectively communicated with the blowing pipe (55) and the conveying pipe.

5. The film guiding device of the film blowing machine according to claim 4, characterized in that: the air inlet assembly (4) comprises an air inlet box (41), an air filter plate (42), an exhaust fan (43), a first pipeline (44), a second pipeline (45), two air inlet fans (46) and two limiting plates (47), wherein the air inlet box (41) is arranged at the side of the air guide box (1), the two air inlet fans (46) are symmetrically arranged on the outer side wall of the air inlet box (41), the two air inlet fans (46) are respectively provided with a first dust screen (48), the two limiting plates (47) are symmetrically arranged on the inner side wall of the air inlet box (41), the air filter plate (42) is arranged on the two limiting plates (47), the two ends of the air filter plate (42) are respectively in sliding fit with the two limiting plates (47), the top of the air inlet box (41) is provided with a through groove (49) for the air filter plate (42) to pass through, and the exhaust fan (43) is arranged between the air inlet box (41) and the air guide box (1), two ends of the first pipeline (44) are respectively communicated with the input end of the exhaust fan (43) and the air inlet box (41), and two ends of the second pipeline (45) are respectively communicated with the output end of the exhaust fan (43) and the air conveying pipe (52).

6. The film guiding device of the film blowing machine according to claim 1, characterized in that: the top of membrane guide box (1) is equipped with two air discharge fans (11), two all be equipped with second dust screen (12) on air discharge fan (11).

Images