Film blowing device for POF heat shrinkage film

Abstract

The utility model discloses a film blowing device for a POF heat shrink film, which relates to the technical field of POF heat shrink film production and comprises a base, a heating and stirring barrel is fixedly mounted at the top of the base, a conveying pipe is fixedly mounted at the bottom of the heating and stirring barrel, a film blowing device is fixedly mounted at one end of the conveying pipe, and the film blowing device is fixedly mounted at the other end of the conveying pipe. A filtering and drying mechanism is arranged at the top of the base and used for filtering and drying raw materials, and the filtering and drying mechanism comprises a drying unit arranged at the top of the base and used for drying the raw materials; the filtering unit is arranged in the drying unit, a double-shaft motor runs to drive a rotating rod to rotate, the rotating rod drives a sieve plate to shake left and right through a linkage column, the linkage rod and a connecting column, and when raw materials enter the sieve plate through a feeding barrel, the sieve plate shakes to filter out impurities in the raw materials; therefore, it can be ensured that raw materials entering the heating and stirring device are pure, and the quality of the POF heat shrinkage film is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to POF heat shrinkable film production technical field, concretely is a kind of POF heat shrinkable film's film blowing device. BACKGROUND

[0002] POF heat shrinkable film is the abbreviation of biaxially oriented polyolefin shrinkable film, it is a kind of new type environmental protection shrinkable film that is most widely used in the world at present, and develops rapidly. It uses advanced biaxial stretching three layers, five layers melt co-extrusion special process. Produce with high transparency, high shrinkage, high toughness, high heat sealing performance, antistatic, excellent cold resistance, safe and reliable soft shrinkable film.

[0003] According to the patent number: CN117621395A, a kind of POF heat shrinkable film production is prevented from wrinkled film blowing device, including base, base top end is fixed with support frame;Film blowing component, including feed and film blowing part, feed includes the material box of being fixed in the base top end, the one end of material box bottom end is connected with feed pipe, film blowing part is set in support frame bottom and with the other end of feed pipe intercommunication, material box is provided with mixing element, mixing element is used to mix and stir material, there are several adjusting air ports on film blowing part in equidistantly along the circumference;Guiding component, including guiding element and cooling element, guiding element is set in support frame top, guiding element is used to guide the heat shrinkable film on film blowing part, cooling element is set in guiding element and is used to cool guiding element;Winding roller, setting in base top end side. The application is suitable for different specifications of heat shrinkable film production, reduces the situation that appears in the process of production, guarantees the quality of product.

[0004] And based on the above prior art, the existing POF heat shrinkable film's film blowing device still has the following problems, the existing POF heat shrinkable film's film blowing device when raw material enters melting barrel in use process, impurity in raw material can cause POF heat shrinkable film unclean, and the moisture of raw material is too much, produce bubble or influence film transparency in film blowing process, therefore, the utility model provides a kind of POF heat shrinkable film's film blowing device. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of POF heat shrinkable film's film blowing device, solve the existing POF heat shrinkable film's film blowing device still has the following problems, the existing POF heat shrinkable film's film blowing device when raw material enters melting barrel in use process, impurity in raw material can cause POF heat shrinkable film unclean, and the moisture of raw material is too much, produce bubble or influence film transparency in film blowing process.

[0006] In order to achieve the above object, the utility model discloses a kind of POF heat shrinkable film's film blowing device, including base, the top of base is fixedly installed with heating stirring barrel, the bottom of heating stirring barrel is fixedly installed with conveying pipe, one end of conveying pipe is fixedly installed with film blowing device, the top of base is provided with filter drying mechanism for filtering and drying raw material, including in filter drying mechanism:

[0007] Drying unit, is set to the top of base, and is used to dry raw material;

[0008] Filter unit, is arranged in the inside of drying unit, including first fixed block, the side of first fixed block is fixedly installed with spring strip, the upper end side of spring strip is fixedly installed with second fixed block, the inboard of second fixed block is fixedly installed with sieve plate, and the side of sieve plate is provided with drive assembly.

[0009] Preferably, the filter unit further includes a collection box, and the front and rear sides of one end of the sieve plate are fixedly installed with connecting columns.

[0010] Preferably, the filter unit further includes an inclined plate, and the shape of the inclined plate is left-low right-high inclined slope.

[0011] Preferably, the drive assembly includes a double-shaft motor, both ends of the double-shaft motor are fixedly installed with rotating rods, one end of the rotating rod is rotatably connected with a linkage rod through a linkage column, and one end of the linkage rod is rotatably connected with the connecting column.

[0012] Preferably, the drying unit includes a chassis fixedly installed on the top of the base, a box body is fixedly installed on the top of the chassis, a scavenging plate is insertedly installed below the left side of the box body, a material conveying pipe is fixedly installed on the right side of the box body, the collection box is fixedly installed on the right wall of the inner cavity of the box body, the material conveying pipe is fixedly connected with the collection box through the box body, the other end of the material conveying pipe is fixedly connected with the top of the heating stirring barrel, a feeding cylinder is fixedly installed on the top of the box body, the inclined plate is fixedly installed on the bottom of the inner cavity of the box body, and the double-shaft motor is fixedly installed on the left side of the inner cavity of the box body.

[0013] Preferably, a hot air machine is fixedly installed on the top of the box body, an air supply pipe is fixedly installed on the output end of the hot air machine, branch ends of the air supply pipe are fixedly installed with air distribution boxes, and the output ends of the air distribution boxes are inserted into the inside of the box body.

[0014] The utility model provides a kind of POF heat shrinkable film's film blowing device.Compared with prior art, it has the following beneficial effects:

[0015] (1), the blowing device of the POF heat shrinkable film, the double-shaft motor operates, drives the rotating rod to rotate, the rotating rod drives the sieve plate to sway left and right through the linkage column, linkage rod and connecting column, when the raw material enters the inside of the sieve plate through the feeding cylinder, the sieve plate shakes to filter out the impurities in the raw material, so that the raw material entering the heating and stirring device is pure, thereby improving the quality of the POF heat shrinkable film.

[0016] (2), the blowing device of the POF heat shrinkable film, in the process of filtering impurities in the raw material through the filtering unit, the hot air machine operates, the hot air is introduced into the inside of the air distribution box through the air supply pipe, and is sprayed from the bottom of the air distribution box at the same time, so that the raw material being screened on the sieve plate is dried, thereby the moisture in the raw material can be effectively removed, and the transparency and quality of the film in the subsequent heating and stirring process are prevented from being affected. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 it is the right view solid structure figure of the utility model;

[0018] Figure 2 it is the filtering and drying mechanism solid structure figure of the utility model;

[0019] Figure 3 it is the filtering and drying mechanism sectional solid structure figure of the utility model;

[0020] Figure 4 it is the local solid structure figure of the utility model.

[0021] In the drawing: 1-base, 2-filtering and drying mechanism, 21-drying unit, 211-chassis, 212-box, 213-impurity removal plate, 214-feeding pipe, 215-feeding cylinder, 216-hot air machine, 217-air supply pipe, 218-air distribution box, 22-filtering unit, 221-inclined plate, 222-first fixed block, 223-spring strip, 224-second fixed block, 225-sieve plate, 226-connecting column, 227-material collecting box, 3-driving assembly, 31-double-shaft motor, 32-rotating rod, 33-linkage column, 34-linkage rod, 4-heating and stirring barrel, 5-conveying pipe, 6-blowing device. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4The utility model provides a technical scheme:

[0024] A blowing device of POF heat shrinkable film, including base 1, the top of base 1 is fixedly installed with heating stirring barrel 4, the bottom of heating stirring barrel 4 is fixedly installed with conveying pipe 5, one end of conveying pipe 5 is fixedly installed with blowing device 6, the top of base 1 is provided with filter drying mechanism 2 for filtering and drying raw materials, and filter drying mechanism 2 includes:

[0025] Drying unit 21 is arranged at the top of base 1 and is used for drying raw materials;

[0026] Filter unit 22 is arranged in the inside of drying unit 21 and includes first fixed block 222, one side of first fixed block 222 is fixedly installed with spring strip 223, the upper end of spring strip 223 is fixedly installed with second fixed block 224 on one side, the inner side of second fixed block 224 is fixedly installed with sieve plate 225, one side of sieve plate 225 is provided with drive assembly 3, filter unit 22 further includes material collecting box 227, and one end of sieve plate 225 is fixedly installed with connecting column 226 on the front and back sides.

[0027] The model of double-shaft motor 31 is CTD41A, is electrically connected with external power supply and is opened and closed by personnel control panel to realize operation, double-shaft motor 31 runs, drives rotary rod 32 to rotate, rotary rod 32 drives sieve plate 225 to swing left and right through linkage column 33, linkage rod 34 and connecting column 226, when raw materials pass through feed cylinder 215 and enter the inside of sieve plate 225, sieve plate 225 swings and filters out the impurities in raw materials, so that it can ensure that the raw materials entering heating stirring device are pure, thereby improving the quality of POF heat shrinkable film.

[0028] In the embodiment, the filter unit 22 further includes an inclined plate 221, and the shape of the inclined plate 221 is a left-low right-high inclined slope.

[0029] The filtered impurities fall on the inclined plate 221, and the shape of the inclined plate 221 causes the impurities to fall on the left side of the bottom of the inner cavity of the box body 212. The user pulls open the impurity discharge plate 213 to discharge the impurities in the box body 212.

[0030] In the embodiment, the drive assembly 3 includes a double-shaft motor 31, both ends of the double-shaft motor 31 are fixedly installed with rotary rods 32, one end of the rotary rod 32 is rotatably connected with a linkage rod 34 through a linkage column 33, and one end of the linkage rod 34 is rotatably connected with the connecting column 226.

[0031] The double-shaft motor 31 runs, drives the rotary rod 32 to rotate, and the rotary rod 32 drives the sieve plate 225 to swing left and right through the linkage column 33, the linkage rod 34 and the connecting column 226.

[0032] In the embodiment, the drying unit 21 comprises a base frame 211 fixedly installed on the top of the base 1, a box body 212 fixedly installed on the top of the base frame 211, a sundries removal plate 213 insertedly installed below the left side of the box body 212, a material conveying pipe 214 fixedly installed on the right side of the box body 212, a material collecting box 227 fixedly installed on the right wall of the inner cavity of the box body 212, the material conveying pipe 214 penetrating through the box body 212 and fixedly connected with the material collecting box 227, one end of the material conveying pipe 214 fixedly connected with the top of the heating and stirring barrel 4, a feeding cylinder 215 fixedly installed on the top of the box body 212, an inclined plate 221 fixedly installed on the bottom of the inner cavity of the box body 212, a double-shaft motor 31 fixedly installed on the left side of the inner cavity of the box body 212, a hot air machine 216 fixedly installed on the top of the box body 212, an air supply pipe 217 fixedly installed on the output end of the hot air machine 216, branch ends of the air supply pipe 217 each fixedly installed with a air distribution box 218, and the output end of the air distribution box 218 inserted into the inner part of the box body 212.

[0033] The bottom of the air distribution box 218 is provided with a plurality of air holes for uniformly drying the raw materials on the sieve plate 225.

[0034] The model of the hot air machine 216 is HAM-G15A-32, which is electrically connected with an external power supply and is opened and closed by a personnel-operated control panel. During the process that the raw materials are filtered to remove sundries by the filtering unit 22, the hot air machine 216 is operated to guide hot air into the inner part of the air distribution box 218 through the air supply pipe 217, and at the same time, the hot air is sprayed from the bottom of the air distribution box 218 to dry the raw materials being screened on the sieve plate 225, so that the moisture in the raw materials can be effectively removed to prevent the moisture from affecting the transparency and quality of the film in the subsequent heating and stirring process.

[0035] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0036] In working, firstly, the double-shaft motor 31 operates to drive the rotating rod 32 to rotate, the rotating rod 32 drives the sieve plate 225 to swing left and right through the linkage column 33, the linkage rod 34 and the connecting column 226, when the raw material enters the inside of the sieve plate 225 through the feeding cylinder 215, the sieve plate 225 swings to filter out the impurities in the raw material, in the process that the raw material filters out the impurities through the filtering unit 22, the hot air machine 216 operates to guide the hot air into the inside of the air distribution box 218 through the air supply pipe 217, and the hot air is sprayed from the bottom of the air distribution box 218 to dry the raw material being screened on the sieve plate 225, then the filtered impurities fall on the inclined plate 221, the shape of the inclined plate 221 makes the impurities fall on the left side of the bottom of the inside of the box body 212, the user pulls open the impurity discharge plate 213 to discharge the impurities in the inside of the box body 212, after the raw material treatment is finished, the raw material enters the inside of the heating and stirring barrel 4 through the material collecting box 227 and the material conveying pipe 214 to be melted, and then the raw material melted in the inside of the heating and stirring barrel 4 is guided into the inside of the film blowing device 6 through the conveying pipe 5 to be blown into a film.

[0037] It should be noted that the relative terms such as first and second and the like are used herein solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A blown film device for POF heat shrinkable film, comprising a base (1), wherein a heating and stirring tank (4) is fixedly installed on the top of the base (1), a conveying pipe (5) is fixedly installed on the bottom of the heating and stirring tank (4), and a blown film device (6) is fixedly installed at one end of the conveying pipe (5), characterized in that: The top of the base (1) is provided with a filtration and drying mechanism (2) for filtering and drying the raw materials. The filtration and drying mechanism (2) includes: A drying unit (21) is disposed on top of the base (1) and is used to dry the raw materials; The filter unit (22) is located inside the drying unit (21) and includes a first fixing block (222). A spring strip (223) is fixedly installed on one side of the first fixing block (222). A second fixing block (224) is fixedly installed on the upper side of the spring strip (223). A sieve plate (225) is fixedly installed on the inner side of the second fixing block (224), and a drive assembly (3) is provided on one side of the sieve plate (225).

2. The blown film apparatus for POF heat shrinkable film according to claim 1, characterized in that: The filter unit (22) also includes a collection box (227), and connecting columns (226) are fixedly installed on the front and rear sides of one end of the sieve plate (225).

3. The blown film apparatus for POF heat shrinkable film according to claim 2, characterized in that: The filter unit (22) also includes an inclined plate (221), and the inclined plate (221) is shaped as a slope with the left side lower than the right side.

4. The blown film apparatus for POF heat shrinkable film according to claim 3, wherein: The drive assembly (3) includes a dual-axis motor (31), with rotating rods (32) fixedly installed at both ends of the dual-axis motor (31). A linkage rod (34) is rotatably connected to one end of the rotating rod (32) via a linkage column (33), and one end of the linkage rod (34) is rotatably connected to a connecting column (226).

5. The blown film apparatus for POF heat shrinkable film according to claim 4, characterized in that: The drying unit (21) includes a base frame (211) fixedly installed on the top of the base (1). A box (212) is fixedly installed on the top of the base frame (211), and a waste removal plate (213) is inserted and installed on the lower left side of the box (212). A conveying pipe (214) is fixedly installed on the right side of the box (212), and a collection box (227) is fixedly installed on the right wall of the inner cavity of the box (212). The conveying pipe (214) passes through the box (212) and is fixedly connected to the collection box (227). The other end of the conveying pipe (214) is fixedly connected to the top of the heating and stirring tank (4). A feeding cylinder (215) is fixedly installed on the top of the box (212). The inclined plate (221) is fixedly installed at the bottom of the inner cavity of the box (212). The dual-shaft motor (31) is fixedly installed on the left side of the inner cavity of the box (212).

6. The blown film apparatus for POF heat shrinkable film according to claim 5, wherein: A hot air blower (216) is fixedly installed on the top of the housing (212). An air supply pipe (217) is fixedly installed at the output end of the hot air blower (216), and an air distribution box (218) is fixedly installed at each branch end of the air supply pipe (217). The output end of the air distribution box (218) is inserted into the interior of the housing (212).

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