A polyethylene composite film preparation device

Abstract

The application relates to the technical field of composite film production, and discloses a polyethylene composite film preparation device, which comprises a stand column, the outer wall of the stand column is fixedly connected with a stirring barrel, the top of the stirring barrel is provided with a top cover, the bottom of the top cover is threadedly connected with the inside of the stirring barrel, the top of the top cover is fixedly connected with a feeding pipe, the outer wall of the stirring barrel is fixedly connected with a feeding mechanism, the bottom of the top cover is fixedly connected with a pretreatment mechanism, the bottom of the pretreatment mechanism is rotatably connected with a stirring mechanism, and the bottom of the stirring barrel is fixedly connected with a discharging pipe.The device avoids the problem that polyethylene raw materials and solvents are added into the polyethylene composite film preparation device through a single feeding pipe during use, so that the polyethylene raw materials are adhered to the inside of the feeding pipe, raw materials are wasted, the feeding speed is affected, the material ratio is affected, product quality problems are caused, powder materials, liquid and granular materials are separately fed, the powder materials, the liquid and the granular materials are uniformly sprinkled on the main agent, the stirring time of the stirring machine is shortened, and the stirring effect is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of composite film production, in particular to a polyethylene composite film preparation device. BACKGROUND

[0002] The polyethylene composite film is a widely used packaging material, which is formed by compounding polyethylene film as a base material with other material layers through a compounding process. Common composite material layers include polyester, polypropylene, aluminum foil and the like. The polyethylene composite film has good flexibility, wear resistance, chemical corrosion resistance and the like, and is widely used in packaging, building, agriculture and the like.

[0003] The polyethylene raw material is added into an isoparaffin solvent, stirred uniformly to obtain a polyethylene suspension, polyvinyl alcohol powder and a dispersion solvent are added into the polyethylene suspension, the polyvinyl alcohol powder is completely dissolved through stirring, the dispersion solution is coated into a mold, the mold is cooled and dried at a rate of 5 DEG C / 3h between 30 DEG C and 50 DEG C for 12h, and the polyethylene composite film is obtained after demolding. In the production process of the composite film, the mixing and preparation of the glue solution are related to the quality of the composite film. The existing composite film raw material stirrer often uses a single feeding pipe to add a curing agent and a solvent during actual use, which directly causes the curing agent and the solvent to accumulate in a block in the stirring box, cannot be uniformly scattered on the main agent, prolongs the stirring time of the stirrer, and affects the stirring effect. In addition, the solvent and the curing agent are easy to accumulate on the inner wall of the feeding pipe, are difficult to clean after a long time, and the glue solution is easy to adhere to the inner wall of the stirring container and the stirring blade during the stirring process, thereby causing waste. SUMMARY

[0004] In view of the defects of the prior art, the technical scheme adopted by the application to solve the technical problems is that the polyethylene composite film preparation device comprises a stand column, an outer wall of the stand column is fixedly connected with a stirring barrel, a top of the stirring barrel is provided with a top cover, a bottom of the top cover is threadedly connected with an inner part of the stirring barrel, a top of the top cover is fixedly connected with a feeding pipe, an outer wall of the stirring barrel is fixedly connected with a feeding mechanism, the bottom of the top cover is fixedly connected with a pretreatment mechanism, the bottom of the pretreatment mechanism is rotatably connected with a stirring mechanism, and the bottom of the stirring barrel is fixedly connected with a discharging pipe.

[0005] Preferably, the pretreatment mechanism comprises a filter tank, the top of the filter tank is fixedly connected with the bottom of the top cover, the bottom of the inner wall of the filter tank is fixedly connected with a first motor, the outer wall of the first motor is fixedly connected with a first rotating frame and a second rotating frame respectively, the inner wall of the first rotating frame is rotatably connected with a roller, the bottom of the second rotating frame is rotatably connected with a rotating shaft, the outer wall of the rotating shaft is uniformly fixedly connected with a pushing piece, the bottom of the filter tank is fixedly connected with a vibration assembly, so as to avoid affecting the discharging, separate the powder material from the liquid and the granular material, uniformly sprinkle the powder material on the main agent, thereby shortening the stirring time of the stirrer, improving the stirring effect, and vibrating the assembly when discharging.

[0006] Preferably, the feeding mechanism comprises a feeding pipe, the outer wall of the feeding pipe is fixedly connected with the outer wall of the stirring barrel, the outer wall of the end of the feeding pipe away from the stirring barrel is fixedly connected with a support frame, the end of the support frame away from the feeding pipe is fixedly connected with a stopper, the bottom of the stopper is fixedly connected with a guide rail, the outer wall of the guide rail is slidably connected with a sliding block, the outer wall of the sliding block is fixedly connected with a first telescopic rod, the outer wall of the first telescopic rod is provided with a limiting ring, the inner wall of the limiting ring is sleeved with the outer wall of the first telescopic rod, the end of the first telescopic rod away from the guide rail is fixedly connected with a sponge head, so as to avoid that the polyethylene raw material and the solvent are added into the feeding pipe in a single way during use, causing the polyethylene raw material to adhere to the inside of the feeding pipe, resulting in waste of raw materials, affecting the feeding speed, and affecting the material ratio to cause problems in product quality.

[0007] Preferably, the vibration assembly comprises a second motor, the top of the second motor is fixedly connected with the bottom of the filter tank, the bottom of the second motor is fixedly connected with a fixed block, the outer wall of the second motor is uniformly fixedly connected with a second telescopic rod, the end of the second telescopic rod away from the second motor is fixedly connected with a mounting groove, the inner wall of the mounting groove is rotatably connected with a rotating rod, the end of the rotating rod close to the second motor is fixedly connected with a hammer head, so as to avoid that the powder blocks the discharging rate, affects the material forming, and the holes of the filter tank are uniformly distributed, the powder is uniformly sprinkled and mixed with the solution quickly and uniformly, the stirring time is reduced, the stirring effect is improved, and the material agglomeration is avoided to affect the polyethylene composite film manufacturing.

[0008] Preferably, the stirring mechanism comprises a telescopic column, the top of the telescopic column is rotatably connected with the bottom of the fixed block, the bottom of the telescopic column is fixedly connected with a central shaft, the outer wall of the central shaft is fixedly connected with a first stirring assembly, the outer wall of the end of the central shaft away from the first stirring assembly is fixedly connected with a second stirring assembly, the contact between the stirring assembly and the stirring barrel wall is increased, thereby reducing the glue liquid residue, saving raw materials, and reducing cost waste.

[0009] Preferably, the first stirring assembly includes a mounting column, the outer wall of which is fixedly connected to the inner wall of the central shaft, a third telescopic rod is fixedly connected to the outer wall of the mounting column, a first stirring blade is fixedly connected to the end of the third telescopic rod away from the mounting column, a limit block is slidably connected to the bottom of the first stirring blade, a collar is fixedly connected to the outer wall of the limit block, and the inner wall of the collar is sleeved with the outer wall of the first stirring blade.

[0010] Preferably, the second stirring assembly includes a fourth telescopic rod, the outer wall of which is fixedly connected to the outer wall of the mounting column. A second stirring blade is fixedly connected to the end of the fourth telescopic rod away from the mounting column. A fifth telescopic rod is uniformly fixedly connected to the inner wall of the second stirring blade. An extension plate is fixedly connected to the end of the fifth telescopic rod away from the mounting column. The outer surfaces of the first and second stirring blades are in contact with the outer wall of the central shaft. The outer walls of the fourth and fifth telescopic rods are sleeved with the inner wall of the central shaft. The outer wall of the extension plate is sleeved with the inner wall of the second stirring blade. The adhesive on the surface of the extension plate is scraped off, and the inner wall of the stirring tank is cleaned, further reducing adhesive residue.

[0011] The beneficial effects of this invention are as follows:

[0012] 1. This invention, by setting up a feeding mechanism, adds solvent to the mixing tank through a feeding pipe, and then adds polyethylene material for mixing. At this time, the polyethylene material easily adheres to the inner wall of the feeding pipe. The slider is initially located at the bottom of the limiting block. When the feeding is completed, the slider moves along the guide rail, and at the same time, the first telescopic rod extends, bringing the sponge head into contact with the inner wall of the feeding pipe. During the movement, the polyethylene raw material adhering to the wall of the feeding pipe is cleaned off. This avoids the situation where adding polyethylene raw material and solvent through a single feeding pipe during use would cause the polyethylene raw material to adhere to the inside of the feeding pipe, resulting in material waste, affecting the feeding speed, and affecting the material ratio, thus causing product quality problems.

[0013] 2. This invention, by setting up a pretreatment mechanism, first blocks the holes of the filter tank when adding polyvinyl alcohol powder. The powder is then added into the filter tank. To prevent the polyvinyl alcohol powder from clumping, a first motor drives a first rotating frame to rotate. The first rotating frame drives a roller to crush the clumps of polyvinyl alcohol powder. Simultaneously, a second rotating frame follows, and the rotating shaft at the bottom of the second rotating frame rotates, driving a stirring plate to stir the compacted polyvinyl alcohol powder. This avoids affecting the feeding process, separating the powder material from the liquid and granular materials, allowing it to be evenly sprinkled onto the main agent, thereby shortening the mixing time of the mixer and improving the mixing effect.

[0014] 3. The present application is provided with a vibration assembly, one end of the installation groove is provided with an opening corresponding to the hammer head, the rotating rod drives the hammer head to rotate to enable knocking on the top and bottom of the filter groove, when the polyvinyl alcohol powder is added, the second telescopic rod is extended to block the holes of the filter groove, when the material is discharged, the second telescopic rod is retracted to expose the holes, the powder is easy to block the holes when discharging, the rotating rod drives the hammer head to rotate 180 degrees to beat the bottom of the filter groove, so that the filter groove vibrates, so that the powder continues to discharge, avoids the slow discharge rate caused by the powder blocking, affects the material forming, meanwhile, the holes of the filter groove are uniformly distributed, so that the powder is uniformly scattered and quickly mixed with the solution, reduces the stirring time, improves the stirring effect, avoids the material agglomeration affecting the polyethylene composite film manufacturing.

[0015] 4. The present application is provided with a stirring mechanism, the material in the stirring barrel is stirred by the first stirring assembly and the second stirring assembly, after stirring, the glue liquid formed by the material is not easy to completely discharge, especially easy to adhere to the stirring barrel wall and the stirring blade, when discharging, the telescopic column rotates with the center shaft, the telescopic column extends to drive the center shaft to move up and down to scrape off the glue liquid on the stirring barrel wall, in the process of rotating, the telescopic column descends along the spiral line to increase the contact between the stirring assembly and the stirring barrel wall, the limit block moves at the bottom of the first blade to make the sleeve ring move on the surface of the first stirring blade to scrape off the glue liquid, the fifth telescopic rod drives the lengthening plate to contact with the conical surface at the lower end of the stirring barrel, the center shaft drives the lengthening plate to scrape off the glue liquid on the inner wall of the stirring barrel, when the lengthening plate is retracted, the second stirring blade scrapes off the glue liquid on the surface of the lengthening plate, reduces the adhesion of the glue liquid on the inner wall of the stirring barrel and the first stirring blade, makes the discharge more complete, thereby reduces the glue liquid residue, saves raw materials, reduces cost waste. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the front view of the whole application;

[0017] Figure 2 is the structural schematic view of the whole application;

[0018] Figure 3 is the structural schematic view of the feeding mechanism of the application;

[0019] Figure 4 is the structural schematic view of the pretreatment mechanism of the application;

[0020] Figure 5 is the structural schematic view of the stirring mechanism of the application;

[0021] Figure 6 is the structural schematic view of the vibration assembly of the application;

[0022] Figure 7 is the structural schematic view of the first stirring assembly of the application;

[0023] Figure 8 This is a schematic diagram of the structure of the second stirring assembly of the present invention;

[0024] In the diagram: 1. Column; 2. Mixing tank; 3. Top cover; 4. Feed pipe; 5. Feeding mechanism; 501. Feeding pipe; 502. Support frame; 503. Stop block; 504. Guide rail; 505. Slider; 506. First telescopic rod; 507. Limiting ring; 508. Sponge head; 6. Pretreatment mechanism; 601. Filter tank; 602. First motor; 603. First rotating frame; 604. Drum; 605. Second rotating frame; 606. Rotating shaft; 607. Actuating plate; 608. Vibration assembly; 6081. Fixing block; 6082. 6083. Second motor; 6084. Second telescopic rod; 6085. Mounting slot; 6086. Rotating rod; 6087. Hammer head; 7088. Stirring mechanism; 701. Telescopic column; 702. Central shaft; 703. First stirring assembly; 7031. Mounting column; 7032. Third telescopic rod; 7033. First stirring blade; 7034. Limiting block; 7035. Collar; 704. Second stirring assembly; 7041. Fourth telescopic rod; 7042. Second stirring blade; 7043. Fifth telescopic rod; 7044. Extension plate; 8. Feed pipe. Detailed Implementation

[0025] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

[0026] Example 1, using Figures 1-5 An apparatus for preparing a polyethylene composite film according to one embodiment of the present invention will be described as follows.

[0027] like Figures 1-5 As shown, the polyethylene composite film preparation device of the present invention includes a column 1, a mixing tank 2 fixedly connected to the outer wall of the column 1, a top cover 3 provided on the top of the mixing tank 2, the bottom of the top cover 3 being threadedly connected to the inside of the mixing tank 2, a feed pipe 4 fixedly connected to the top of the top cover 3, a feeding mechanism 5 fixedly connected to the outer wall of the mixing tank 2, a pretreatment mechanism 6 fixedly connected to the bottom of the top cover 3, a stirring mechanism 7 rotatably connected to the bottom of the pretreatment mechanism 6, and a discharge pipe 8 fixedly connected to the bottom of the mixing tank 2.

[0028] The pretreatment mechanism 6 comprises a filter tank 601, the top of the filter tank 601 is fixedly connected with the bottom of the top cover 3, the inner wall of the filter tank 601 is fixedly connected with a first motor 602, the outer wall of the first motor 602 is fixedly connected with a first rotating frame 603 and a second rotating frame 605 respectively, the inner wall of the first rotating frame 603 is rotatably connected with a roller 604, the bottom of the second rotating frame 605 is rotatably connected with a rotating shaft 606, the outer wall of the rotating shaft 606 is uniformly fixedly connected with a pushing piece 607, the bottom of the filter tank 601 is fixedly connected with a vibration assembly 608, when the polyvinyl alcohol powder is added, the vibration assembly 608 first blocks the hole of the filter tank 601, the powder is added into the filter tank 601, in order to avoid the polyvinyl alcohol powder from being caked, the first motor 602 drives the first rotating frame 603 to rotate, the first rotating frame 603 drives the roller 604 to crush the polyvinyl alcohol powder cake, at the same time, the second rotating frame 605 rotates, the rotating shaft 606 at the bottom of the second rotating frame 605 rotates, drives the pushing piece 607 to stir the compacted polyvinyl alcohol powder, avoids affecting the feeding, separates the powder material from the liquid and the granular material, and makes the powder material evenly fall on the main agent, so that the stirring time of the stirrer is shortened, and the stirring effect is improved.

[0029] The feeding mechanism 5 comprises a feeding pipe 501, the outer wall of the feeding pipe 501 is fixedly connected with the outer wall of the stirring barrel 2, the outer wall of one end of the feeding pipe 501 away from the stirring barrel 2 is fixedly connected with a supporting frame 502, one end of the supporting frame 502 away from the feeding pipe 501 is fixedly connected with a stop block 503, the bottom of the stop block 503 is fixedly connected with a guide rail 504, the outer wall of the guide rail 504 is slidably connected with a sliding block 505, the outer wall of the sliding block 505 is fixedly connected with a first telescopic rod 506, the outer wall of the first telescopic rod 506 is provided with a limiting ring 507, the inner wall of the limiting ring 507 is sleeved with the outer wall of the first telescopic rod 506, one end of the first telescopic rod 506 away from the guide rail 504 is fixedly connected with a sponge head 508, the solvent is added into the stirring barrel 2 through the feeding pipe 501, then the polyethylene material is added for mixing, at this time, the polyethylene material is easy to adhere to the inner wall of the feeding pipe 501, the sliding block 505 is located at the bottom of the limiting block 7034 at the beginning, when the feeding is completed, the sliding block 505 moves along the guide rail 504, at the same time, the first telescopic rod 506 is stretched out, the sponge head 508 is in contact with the inner wall of the feeding pipe 501, in the moving process, the polyethylene raw material adhered to the wall of the feeding pipe 501 is cleaned, so that the polyethylene raw material is not adhered to the inside of the feeding pipe 501 when the single feeding pipe 501 is used to add the polyethylene raw material and the solvent, raw material waste is avoided, the feeding speed is affected, the material ratio is affected, and product quality problems are caused.

[0030] The stirring mechanism 7 comprises a telescopic column 701, the top of the telescopic column 701 is rotationally connected with the bottom of the fixing block 6081, the bottom of the telescopic column 701 is fixedly connected with a central shaft 702, the outer wall of the central shaft 702 is fixedly connected with a first stirring assembly 703, the outer wall of the central shaft 702, away from the first stirring assembly 703, is fixedly connected with a second stirring assembly 704, the material in the stirring barrel 2 is stirred by the first stirring assembly 703 and the second stirring assembly 704, after the stirring is completed, the glue liquid formed by the material is not easy to completely discharge, especially easy to adhere to the wall of the stirring barrel 2 and the stirring blade, when discharging, the telescopic column 701 is stretched out while rotating with the central shaft 702, the telescopic column 701 drives the central shaft 702 to move up and down, the glue liquid on the wall of the stirring barrel 2 is scraped off, in the process of rotating, the telescopic column 701 moves downward along the spiral line, the contact between the stirring assembly and the wall of the stirring barrel 2 is increased, so that the glue liquid residue is reduced, the raw material is saved, and the cost waste is reduced.

[0031] The specific working process is as follows:

[0032] When working, the solvent is added to the stirring barrel 2 through the feeding pipe 501, then the polyethylene material is added for mixing, the sliding block 505 is located at the bottom of the limiting block 7034 at the beginning, when the feeding is completed, the sliding block 505 moves along the guide rail 504, and the first telescopic rod 506 is stretched out, so that the sponge head 508 is in contact with the inner wall of the feeding pipe 501, in the moving process, the polyethylene raw material attached to the wall of the feeding pipe 501 is cleaned, the stirring mechanism 7 is started, the polyethylene material and the solution are stirred uniformly to obtain polyethylene suspension, then the polyvinyl alcohol powder is added, the vibration assembly 608 first blocks the holes of the filter groove 601, the powder is added to the filter groove 601, in order to avoid the polyvinyl alcohol powder from being caked, the first motor 602 drives the first rotating frame 603 to rotate, the first rotating frame 603 drives the roller 604 to crush the polyvinyl alcohol powder cake, at the same time, the second rotating frame 605 rotates, the rotating shaft 606 at the bottom of the second rotating frame 605 rotates, and the stirring piece 607 drives the compacted polyvinyl alcohol powder to be stirred, the stirring makes the polyvinyl alcohol powder completely dissolved, and after waiting for a period of time, the polyethylene composite film is made.

[0033] In the second embodiment, the polyethylene composite film preparation device is used Figures 6-8 An embodiment of the polyethylene composite film preparation device is described as follows.

[0034] As Figures 6-8As shown, the polyethylene composite film preparation device provided by the application, on the basis of embodiment one, the vibration assembly 608 comprises a second motor 6082, the top of the second motor 6082 is fixedly connected with the bottom of the filter tank 601, the bottom of the second motor 6082 is fixedly connected with a fixed block 6081, the outer wall of the second motor 6082 is uniformly fixedly connected with a second telescopic rod 6083, the end of the second telescopic rod 6083 away from the second motor 6082 is fixedly connected with a mounting groove 6084, the inner wall of the mounting groove 6084 is rotatably connected with a rotating rod 6085, the end of the rotating rod 6085 close to the second motor 6082 is fixedly connected with a hammer head 6086, and the mounting groove 6084 is provided with an opening corresponding to the hammer head 6086 at one end, so that the rotating rod 6085 drives the hammer head 6086 to rotate and knock the top and bottom of the filter tank 601, when the polyvinyl alcohol powder is added, the second telescopic rod 6083 is extended, and the mounting groove 6084 blocks the holes of the filter tank 601, when the material is discharged, the second telescopic rod 6083 is retracted, and the holes are exposed, so that the powder is easy to block the holes when the material is discharged, the rotating rod 6085 drives the hammer head 6086 to rotate by 180 degrees, the bottom of the filter tank 601 is hammered, the filter tank 601 is vibrated, and thus the powder continues to be discharged, the discharge rate is prevented from being reduced due to the powder blocking, the material forming is affected, meanwhile, the holes of the filter tank 601 are uniformly distributed, the powder is uniformly scattered and mixed with the solution quickly and uniformly, the stirring time is reduced, the stirring effect is improved, and the material agglomeration affecting the polyethylene composite film manufacturing is avoided.

[0035] The first stirring assembly 703 comprises a mounting column 7031, the outer wall of the mounting column 7031 is fixedly connected with the inner wall of the central shaft 702, the outer wall of the mounting column 7031 is fixedly connected with a third telescopic rod 7032, the end of the third telescopic rod 7032 away from the mounting column 7031 is fixedly connected with a first stirring blade 7033, the bottom of the first stirring blade 7033 is slidingly connected with a limiting block 7034, the outer wall of the limiting block 7034 is fixedly connected with a sleeve ring 7035, the inner wall of the sleeve ring 7035 is sleeved with the outer wall of the first stirring blade 7033, after stirring is completed, the third telescopic rod 701 is extended to drive the first stirring blade 7033 to extend to contact the inner wall of the stirring barrel 2, the gel liquid adhered to the inner wall of the stirring barrel 2 is scraped off, meanwhile, the limiting block 7034 moves at the bottom of the first blade, the sleeve ring 7035 moves on the surface of the first stirring blade 7033, the gel liquid is scraped off, the adhesion of the gel liquid on the inner wall of the stirring barrel 2 and the first stirring blade 7033 is reduced, the material is more completely discharged, the waste of the gel liquid is reduced, and thus the production cost is reduced.

[0036] The second stirring assembly 704 comprises a fourth telescopic rod 7041, an outer wall of the fourth telescopic rod 7041 is fixedly connected with an outer wall of the mounting column 7031, one end of the fourth telescopic rod 7041 away from the mounting column 7031 is fixedly connected with a second stirring blade 7042, inner walls of the second stirring blade 7042 are uniformly fixedly connected with fifth telescopic rods 7043, one end of the fifth telescopic rod 7043 away from the mounting column 7031 is fixedly connected with an extension plate 7044, outer portions of the first stirring blade 7033 and the second stirring blade 7042 are in contact with an outer wall of the central shaft 702, outer walls of the fourth telescopic rod 7041 and the fifth telescopic rod 7043 are sleeved with an inner wall of the central shaft 702, an outer wall of the extension plate 7044 is sleeved with an inner wall of the second stirring blade 7042, the fourth telescopic rod 7041 is extended to drive the second stirring blade 7042 to be close to the wall of the stirring barrel 2, the fifth telescopic rod 7043 drives the extension plate 7044 to be in contact with the lower end conical surface of the stirring barrel 2, the central shaft 702 drives the inner wall of the stirring barrel 2 to be scraped, and the second stirring blade 7042 scrapes the glue liquid on the surface of the extension plate 7044 when the extension plate 7044 is retracted, so that the inner wall of the stirring barrel 2 is cleaned and the residue of the glue liquid is further reduced.

[0037] The specific working process is as follows:

[0038] When the polyvinyl alcohol powder is added, the second telescopic rod 6083 is extended to drive the mounting groove 6084 to block the hole of the filtering groove 601, when the material is discharged, the second telescopic rod 6083 is retracted to expose the hole, the powder is easy to block the hole when the material is discharged, the rotating rod 6085 drives the hammer head 6086 to rotate by 180 degrees to strike the bottom of the filtering groove 601, so that the filtering groove 601 vibrates, and the powder continues to be discharged, after the stirring is completed, the third telescopic column 701 is extended to drive the first stirring blade 7033 to be extended to contact the inner wall of the stirring barrel 2, the glue liquid attached to the inner wall of the stirring barrel 2 is scraped, meanwhile, the limiting block 7034 moves at the bottom of the first blade to drive the sleeve ring 7035 to move on the surface of the first stirring blade 7033, so that the glue liquid is scraped off, the glue liquid attached to the inner wall of the stirring barrel 2 and the first stirring blade 7033 is reduced, the fifth telescopic rod 7043 drives the extension plate 7044 to be in contact with the lower end conical surface of the stirring barrel 2, the central shaft 702 drives the inner wall of the stirring barrel 2 to be scraped, and the second stirring blade 7042 scrapes the glue liquid on the surface of the extension plate 7044 when the extension plate 7044 is retracted, so that the inner wall of the stirring barrel 2 is cleaned.

[0039] Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A polyethylene composite film preparation device comprising a stand (1), characterized in that: The outer wall of the column (1) is fixedly connected with a stirring barrel (2), the top of the stirring barrel (2) is provided with a top cover (3), the bottom of the top cover (3) is threadedly connected with the inside of the stirring barrel (2), the top of the top cover (3) is fixedly connected with a feeding pipe (4), the outer wall of the stirring barrel (2) is fixedly connected with a feeding mechanism (5), the bottom of the top cover (3) is fixedly connected with a pretreatment mechanism (6), the bottom of the pretreatment mechanism (6) is rotatably connected with a stirring mechanism (7), and the bottom of the stirring barrel (2) is fixedly connected with a discharging pipe (8). The pretreatment mechanism (6) comprises a filter tank (601), the top of the filter tank (601) is fixedly connected with the bottom of the top cover (3), the bottom of the inner wall of the filter tank (601) is fixedly connected with a first motor (602), the outer wall of the first motor (602) is fixedly connected with a first rotating frame (603) and a second rotating frame (605) respectively, the inner wall of the first rotating frame (603) is rotatably connected with a roller (604), the bottom of the second rotating frame (605) is rotatably connected with a rotating shaft (606), the outer wall of the rotating shaft (606) is uniformly fixedly connected with a poking piece (607), and the bottom of the filter tank (601) is fixedly connected with a vibration assembly (608). The vibration assembly (608) comprises a second motor (6082), the top of the second motor (6082) is fixedly connected with the bottom of the filter tank (601), the bottom of the second motor (6082) is fixedly connected with a fixed block (6081), and the outer wall of the second motor (6082) is uniformly fixedly connected with a second telescopic rod (6083). One end of the second telescopic rod (6083) away from the second motor (6082) is fixedly connected with a mounting groove (6084), the inner wall of the mounting groove (6084) is rotatably connected with a rotating rod (6085), and the end of the rotating rod (6085) close to the second motor (6082) is fixedly connected with a hammer head (6086). The feeding mechanism (5) comprises a feeding pipe (501), the outer wall of the feeding pipe (501) is fixedly connected with the outer wall of the stirring barrel (2), the outer wall of one end of the feeding pipe (501) away from the stirring barrel (2) is fixedly connected with a support frame (502), one end of the support frame (502) away from the feeding pipe (501) is fixedly connected with a stop block (503), and the bottom of the stop block (503) is fixedly connected with a guide rail (504). The stirring mechanism (7) comprises a telescopic column (701), the top of the telescopic column (701) is rotatably connected with the bottom of the fixed block (6081), the bottom of the telescopic column (701) is fixedly connected with a central shaft (702), the outer wall of the central shaft (702) is fixedly connected with a first stirring assembly (703), and the outer wall of one end of the central shaft (702) away from the first stirring assembly (703) is fixedly connected with a second stirring assembly (704).

2. The polyethylene composite film preparation device according to claim 1, characterized in that: The outer wall of the guide rail (504) is slidably connected with a sliding block (505), the outer wall of the sliding block (505) is fixedly connected with a first telescopic rod (506), the outer wall of the first telescopic rod (506) is provided with a limiting ring (507), the inner wall of the limiting ring (507) is in sleeve connection with the outer wall of the first telescopic rod (506), and the end, away from the guide rail (504), of the first telescopic rod (506) is fixedly connected with a sponge head (508).

3. The polyethylene composite film preparation device according to claim 1, characterized in that: The first stirring assembly (703) comprises a mounting column (7031), the outer wall of the mounting column (7031) is fixedly connected with the inner wall of the central shaft (702), the outer wall of the mounting column (7031) is fixedly connected with a third telescopic rod (7032), the end, away from the mounting column (7031), of the third telescopic rod (7032) is fixedly connected with a first stirring blade (7033), the bottom of the first stirring blade (7033) is slidably connected with a limiting block (7034), the outer wall of the limiting block (7034) is fixedly connected with a sleeve ring (7035), and the inner wall of the sleeve ring (7035) is in sleeve connection with the outer wall of the first stirring blade (7033).

4. The polyethylene composite film preparation device according to claim 3, characterized in that: The second stirring assembly (704) comprises a fourth telescopic rod (7041), the outer wall of the fourth telescopic rod (7041) is fixedly connected with the outer wall of the mounting column (7031), the end, away from the mounting column (7031), of the fourth telescopic rod (7041) is fixedly connected with a second stirring blade (7042), and the inner wall of the second stirring blade (7042) is uniformly fixedly connected with a fifth telescopic rod (7043).

5. The polyethylene composite film preparation device according to claim 4, characterized in that: The outer wall of the fourth telescopic rod (7041) and the fifth telescopic rod (7043) is in sleeve connection with the inner wall of the central shaft (702), and the outer wall of the lengthening plate (7044) is in sleeve connection with the inner wall of the second stirring blade (7042).

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