PE protective film coating machine

Abstract

The utility model belongs to the technical field of protective films, and particularly relates to a PE (polyethylene) protective film coating machine, which comprises a coating mechanism, a coating mechanism and a coating mechanism, a guide roller and a winding roller are arranged on the bottom plate; the drying mechanism comprises a shell, a plurality of hot air blowers, an air pipe and a spray head, the shell is arranged between the coating box and the winding roller, the plurality of hot air blowers are arranged at the bottom of the shell, and the spray head is connected with the hot air blowers through the air pipe; wherein the drying mechanism is arranged between the coating box and the wind-up roller, according to the PE protective film coating machine provided by the utility model, after coating liquid is coated on a PE protective film through the coating roller, hot air generated by the hot air blower is blown to the coating liquid on the PE protective film through the air pipe and the spray head to dry the coating liquid, so that the drying efficiency is improved; and adhesion of the PE protective film in the rolling process due to the fact that the coating liquid is not completely dried is prevented, and the coating quality is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of protective films, and in particular relates to a PE protective film coating machine. Background Art

[0002] Coating machine is an important industrial equipment, which is mainly used to evenly apply a coating liquid of a specific thickness on the surface of a substrate. This equipment is widely used in packaging, printing, electronics, automobile, construction and other industries. Coating machines are usually equipped with automatic control systems, which greatly improves production efficiency and reduces labor costs. Coating machines use advanced control systems and sophisticated coating head design, which can accurately control the thickness and uniformity of the coating liquid to ensure product quality. Coating machines are suitable for various types of coating liquids and substrates, such as paper, plastic, metal, glass, etc. The operating interface of the coating machine is usually designed to be very intuitive and simple, which is convenient for operators to quickly master and operate. Coating machine is an important industrial equipment with broad application prospects and market demand. With the continuous advancement of science and technology and the continuous improvement of technology, the performance and function of the coating machine will also be continuously improved and optimized.

[0003] The utility model with the authorization announcement number CN209549846U discloses a PE protective film coating machine, which is provided with an anilox roller, an active rubber roller and a passive flattening roller in sequence from the discharge end to the receiving end. The receiving end is also provided with an adjustable angle component, which includes a rubber roller arranged on a bracket and a rubber roller arranged on the circumference of the rubber roller. There are two rubber rollers, which are respectively arranged on the rubber surface side of the protective film of the rubber roller to press the protective film. The beneficial effects of the utility model are embodied in: while improving the speed of the whole machine, the speed and position of the rubber roller are adjusted, combined with the speed and position adjustment between the rubber roller, and the angle of the protective film is adjusted when the rubber material is coated, thereby avoiding the shrinkage and deformation of the width of the protective film during coating, and effectively improving the quality of the protective film surface. After the coating process, the coating liquid of the existing coating machine is not easy to dry thoroughly. If the coating liquid is rolled up before it is completely dry, it is easy to cause adhesion, which affects the quality of the PE protective film. Utility Model Content

[0004] The purpose of the utility model is to provide a PE protective film coating machine for drying the coating liquid on the PE protective film in view of the above-mentioned existing technical problems.

[0005] In view of this, the utility model provides a PE protective film coating machine, comprising: a coating mechanism, the coating mechanism comprising a coating box and a coating roller; a bottom plate, the bottom plate is provided with a guide roller and a winding roller; and also comprises: a drying mechanism, the drying mechanism comprising a shell, a hot air blower, an air duct and a nozzle, the shell is arranged between the coating box and the winding roller, a plurality of the hot air blowers are arranged at the bottom of the shell, and the nozzle is connected to the hot air blower through the air duct; wherein, the drying mechanism is arranged between the coating box and the winding roller.

[0006] In this technical solution, after the coating liquid is applied to the PE protective film by a coating roller, a hot air blower generates hot air and blows it toward the coating liquid on the PE protective film through an air duct and a nozzle to dry it, thereby preventing the PE protective film from sticking during the winding process due to the coating liquid not being completely dry, thereby improving the coating quality.

[0007] In the above technical scheme, further, the drying mechanism also includes: a first motor, which is arranged on the bottom side wall of the shell; a worm, one end of the worm is connected to the output end of the first motor, and the other end of the worm is rotatably connected to the side wall of the shell; a worm wheel, the worm wheel is meshingly connected to the worm, and the worm wheel is rotatably connected to the inner wall of the shell; a fan gear, the fan gear is coaxially fixedly connected to the worm wheel; a moving frame, the moving frame is sleeved outside the fan gear; a rack, the rack is arranged on the inner wall of the moving frame, and the rack cooperates with the fan gear; a connecting block, a plurality of the connecting blocks are symmetrically arranged on the outside of the moving frame, and the air duct is connected to the moving frame through the connecting block.

[0008] In the above technical solution, further, a scraping mechanism is provided in the coating box.

[0009] In the above technical scheme, further, the scraper mechanism includes: a slide groove, two of the slide grooves are respectively opened on the inner wall of the coating box, and a slider is slidably connected in the slide groove; an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected to the slider; a scraper roller, the scraper roller is rotatably connected between the sliders through a rotating shaft, and the scraper roller abuts against the paint roller; an annular groove, a plurality of the annular grooves are evenly opened on the scraper roller.

[0010] In the above technical solution, further, a plurality of rotating rods are rotatably connected to the bottom of the coating box, one end of the rotating rod is connected to a second motor, and a spiral blade is fixedly connected to the rotating rod.

[0011] The beneficial effects of the utility model are:

[0012] 1. After the coating liquid is applied to the PE protective film by the coating roller, the hot air blower generates hot air to blow the coating liquid on the PE protective film through the air duct and nozzle to dry it, so as to prevent the PE protective film from sticking during the winding process due to the coating liquid not being completely dry, and improve the coating quality.

[0013] 2. The rotation of the worm drives the worm wheel and the fan gear to rotate, so that the moving frame can drive the air duct to swing back and forth, so that the hot air can be blown onto the PE protective film more evenly, ensuring that the coating liquid is evenly heated and further improving the coating quality.

[0014] 3. When the paint roller rotates, the excess coating liquid can be scraped off by the scraper roller to ensure that the coating liquid is evenly distributed on the PE protective film. The design of the annular groove can help the scraper roller to scrape off the coating liquid better and improve the scraping efficiency.

[0015] 4. The rotating rod and spiral blades form a stirring effect in the coating box to prevent the coating liquid from settling and stratifying, ensuring the quality and uniformity of the coating liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a schematic structural diagram of a specific implementation method of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the drying mechanism of the utility model.

[0019] Figure 3 It is a structural schematic diagram of the mobile frame of the utility model.

[0020] Figure 4 It is a schematic diagram of the structure inside the coating box of the utility model.

[0021] Figure 5 It is a structural schematic diagram of the scraping mechanism of the utility model.

[0022] The symbols in the figure are:

[0023] 1-bottom plate, 11-guide roller, 12-winding roller, 2-coating mechanism, 21-coating box, 22-coating roller, 3-drying mechanism, 31-housing, 32-hot air blower, 33-air duct, 34-sprinkler, 35-first motor, 36-worm, 37-worm gear, 38-sector gear, 39-moving frame, 310-rack, 311-connecting block, 4-scraping mechanism, 41-sliding block, 42-electric telescopic rod, 43-scraping roller, 44-annular groove, 5-rotating rod, 6-second motor, 7-spiral blade. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0026] Embodiment 1:

[0027] The embodiment of the present application provides a PE protective film coating machine, including: a coating mechanism 2, the coating mechanism 2 includes a coating box 21 and a coating roller 22; a bottom plate 1, on which a guide roller 11 and a winding roller 12 are arranged; and also includes: a drying mechanism 3, the drying mechanism 3 includes a shell 31, a hot air blower 32, an air duct 33 and a nozzle 34, the shell 31 is arranged between the coating box 21 and the winding roller 12, and a through groove for the PE protective film to pass through is arranged on the side wall of the shell 31, a plurality of hot air blowers 32 are arranged at the bottom of the shell 31, the air duct 33 is a hose, and the nozzle 34 is connected to the hot air blower 32 through the air duct 33; wherein, the drying mechanism 3 is arranged between the coating box 21 and the winding roller 12.

[0028] In this embodiment, refer to Figure 1 and Figure 2 As shown, after the coating liquid is applied to the PE protective film by the coating roller 22, the hot air blower 32 generates hot air and blows it toward the coating liquid on the PE protective film through the air duct 33 and the nozzle 34 to dry it, thereby preventing the PE protective film from sticking during the winding process due to the coating liquid not being completely dry, thereby improving the coating quality.

[0029] Embodiment 2:

[0030] This embodiment provides a PE protective film coating machine, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the drying mechanism 3 also includes:

[0031] A first motor 35, the first motor 35 is disposed on a bottom side wall of the housing 31;

[0032] A worm 36, one end of the worm 36 is connected to the output end of the first motor 35, and the other end of the worm 36 is rotatably connected to the side wall of the housing 31;

[0033] A worm wheel 37, which is meshed with the worm 36 and is rotatably connected to the inner wall of the housing 31;

[0034] The sector gear 38 is coaxially fixedly connected with the worm gear 37;

[0035] A moving frame 39, which is sleeved outside the sector gear 38 and is laterally slidably connected in the housing 31;

[0036] The rack 310 is arranged on the inner wall of the moving frame 39, and the rack 310 cooperates with the sector gear 38;

[0037] Connecting blocks 311 , wherein a plurality of connecting blocks 311 are symmetrically arranged outside the moving frame 39 , and the air duct 33 is connected to the moving frame 39 via the connecting blocks 311 .

[0038] In this embodiment, refer to Figure 2 and Figure 3 As shown, the rotation of the worm 36 drives the worm wheel 37 and the fan gear 38 to rotate, so that the movable frame 39 can drive the air duct 33 to swing back and forth, so that the hot air can be blown onto the PE protective film more evenly, ensuring that the coating liquid is evenly heated, and further improving the coating quality.

[0039] Embodiment 3:

[0040] This embodiment provides a PE protective film coating machine, which, in addition to the technical solutions of the above embodiments, also has the following technical features: a scraping mechanism 4 is provided in the coating box 21, and the scraping mechanism 4 includes:

[0041] Slide grooves, two slide grooves are respectively opened on the inner wall of the coating box 21, and a slider 41 is slidably connected in the slide grooves;

[0042] An electric telescopic rod 42, the output end of which is fixedly connected to the slider 41;

[0043] A scraper roller 43, the scraper roller 43 is rotatably connected between the sliders 41 via a rotating shaft, and the scraper roller 43 abuts against the coating roller 22;

[0044] An annular groove 44 , wherein a plurality of annular grooves 44 are evenly formed on the scraper roller 43 .

[0045] In this embodiment, refer to Figure 4 and Figure 5 As shown, when the coating roller 22 rotates, the excess coating liquid can be scraped off by the scraper roller 43 to ensure that the coating liquid is evenly distributed on the PE protective film. The design of the annular groove 44 can help the scraper roller 43 to scrape off the coating liquid better and improve the scraping efficiency.

[0046] Embodiment 4:

[0047] This embodiment provides a PE protective film coating machine, which, in addition to the technical solutions of the above embodiments, also has the following technical features: a plurality of rotating rods 5 are rotatably connected to the bottom of the coating box 21, a second motor 6 is connected to one end of the rotating rod 5, and a spiral blade 7 is fixedly connected to the rotating rod 5.

[0048] In this embodiment, refer to Figure 4 As shown, the rotating rod 5 and the spiral blade 7 form a stirring effect in the coating box 21 to prevent the coating liquid from settling and stratifying, thereby ensuring the quality and uniformity of the coating liquid.

[0049] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A PE protective film coating machine, comprising: A coating mechanism (2), the coating mechanism (2) comprising a coating box (21) and a coating roller (22); A bottom plate (1), wherein a guide roller (11) and a winding roller (12) are arranged on the bottom plate (1); It is characterized by further comprising: A drying mechanism (3), the drying mechanism (3) comprising a shell (31), a hot air blower (32), an air duct (33) and a nozzle (34), the shell (31) being arranged between the coating box (21) and the winding roller (12), a plurality of the hot air blowers (32) being arranged at the bottom of the shell (31), and the nozzle (34) being connected to the hot air blower (32) via the air duct (33); Wherein, the drying mechanism (3) is arranged between the coating box (21) and the winding roller (12).

2. A PE protective film coating machine according to claim 1, characterized in that: The drying mechanism (3) further comprises: A first motor (35), wherein the first motor (35) is arranged on a bottom side wall of the housing (31); A worm (36), one end of the worm (36) is connected to the output end of the first motor (35), and the other end of the worm (36) is rotatably connected to the side wall of the housing (31); A worm wheel (37), the worm wheel (37) is meshedly connected with the worm (36), and the worm wheel (37) is rotatably connected to the inner wall of the housing (31); A sector gear (38), wherein the sector gear (38) is coaxially fixedly connected to the worm gear (37); A moving frame (39), wherein the moving frame (39) is sleeved outside the sector gear (38); A rack (310), wherein the rack (310) is arranged on the inner wall of the moving frame (39), and the rack (310) is matched with the sector gear (38); A connecting block (311), wherein a plurality of the connecting blocks (311) are symmetrically arranged outside the movable frame (39), and the air duct (33) is connected to the movable frame (39) via the connecting blocks (311).

3. A PE protective film coating machine according to claim 1, characterized in that: A scraping mechanism (4) is arranged in the coating box (21).

4. A PE protective film coating machine according to claim 3, characterized in that: The scraping mechanism (4) comprises: Slide grooves, wherein the two slide grooves are respectively arranged on the inner wall of the coating box (21), and a slider (41) is slidably connected in the slide grooves; An electric telescopic rod (42), wherein an output end of the electric telescopic rod (42) is fixedly connected to the slider (41); A scraper roller (43), the scraper roller (43) is rotatably connected between the sliders (41) via a rotating shaft, and the scraper roller (43) abuts against the coating roller (22); An annular groove (44), wherein a plurality of the annular grooves (44) are evenly arranged on the scraper roller (43).

5. A PE protective film coating machine according to claim 1, characterized in that: A plurality of rotating rods (5) are rotatably connected to the bottom of the coating box (21), one end of the rotating rod (5) is connected to a second motor (6), and a spiral blade (7) is fixedly connected to the rotating rod (5).

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