High-speed cold roller line extrusion coating machine for release paper

Abstract

The utility model discloses a high-speed cold roll line extrusion coating machine for release paper, which comprises a coating mechanism, a material conveying mechanism and a uniform coating mechanism, the coating mechanism comprises a rack, a coating roll movably mounted in the rack, two material pressing rods connected with the top of the rack and respectively positioned on two sides of the coating roll, and the material conveying mechanism is connected with the uniform coating mechanism. The material conveying mechanism comprises two slurry tanks installed on the front side and the rear side of the machine frame and a connecting frame connected between the two slurry tanks. According to the utility model, when the coating operation is carried out, the two hydraulic cylinders are started, then the piston discs respectively extrude raw materials in the two slurry tanks, the raw materials enter the plurality of shunt pipes through the discharge pipe and then are injected into the cavity, and when the coating roller rotates, the outer surface of the coating roller scrapes the slurry in the cavity and then is uniformly scraped by the two scrapers, so that the coating roller is uniform in coating. Therefore, the coating effect of the release paper moving close to the coating roller is guaranteed, and the forming effect of the release paper is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production technical field of release paper, specifically to a high -speed cold roll line extrusion coating machine for release paper. BACKGROUND

[0002] Release paper, also known as silicone oil paper and anti -adhesive paper, mainly plays the role of isolating objects with adhesion, such as adhesive tape. It is generally required to be peeled off and discarded when in use; it is mainly used as the carrier of adhesive tape or adhesive products, and of course it is also used in the food and medical health industry.

[0003] The application number CN201921737877.3 discloses an online extrusion coating machine, which comprises a rack and the like. The utility model adds slurry into the storage tank through the feeding pipe, pushes the extrusion piston through the air cylinder to extrude the slurry from the feeding pipe and the discharge pipe, and the setting of the plurality of discharge pipes can improve the flow of the slurry feeding, so as to avoid that the unit flow of the slurry cannot keep up with the intermittent reaction speed, and the coating quality of the base material is affected. The application is used in practice, although the slurry is extruded by using multiple discharge pipes, but it cannot guarantee that the slurry is uniformly laid on the coating roller, resulting in poor coating of the base material. UTILITY MODEL CONTENT

[0004] The utility model aims at solving one of the technical problems existing in the prior art or related art.

[0005] To this end, the technical scheme adopted by the utility model is as follows:

[0006] A high-speed cold roll line extrusion coating machine for release paper, comprising a coating mechanism, a feeding mechanism and a uniform coating mechanism, the coating mechanism comprising a rack, a coating roller movably mounted in the interior of the rack, two pressure rods connected with the top of the rack, the two pressure rods being located on the two sides of the coating roller respectively, a feeding mechanism, the feeding mechanism comprising two slurry tanks mounted on the front and rear sides of the rack, a connecting frame connected between the two slurry tanks, two hydraulic cylinders penetrating through the top of the connecting frame, a piston disc connected with the movable end of the hydraulic cylinder, a discharge pipe provided at the bottom of the connecting frame and connected between the two slurry tanks, a uniform coating mechanism, the uniform coating mechanism comprising two scrapers connected with the inner wall of the rack, a film connected between the two scrapers, a plurality of shunt pipes connected between the discharge pipe and the film, the scrapers being inclinedly arranged, and the outer end being attached to the outer wall of the coating roller.

[0007] By adopting the technical scheme, when coating is performed, two hydraulic cylinders are started, then the piston plates extrude raw materials in two slurry tanks respectively, the raw materials enter multiple shunt pipes through the discharge pipe, then are injected into the cavity, then when the coating roller rotates, the outer surface thereof wipes the slurry in the cavity, then is scraped evenly by the two scrapers, thereby ensuring the coating effect of the release paper moving along the coating rod, and improving the forming effect of the release paper.

[0008] In a preferred example, the two pressing rods are flush at the bottom, and the diameter of the pressing rods is smaller than the diameter of the discharge pipe.

[0009] In a preferred example, the two hydraulic cylinders are connected in series, and the hydraulic cylinders are electrically connected with the external power supply.

[0010] In a preferred example, the two piston plates are vertically coaxial with the two slurry tanks respectively, and the piston plates are inserted into the slurry tanks in interference fit.

[0011] In a preferred example, the cavity is left between the coating roller and the film, and the cavity is connected with the inside of the discharge pipe through the multiple shunt pipes.

[0012] In a preferred example, the multiple shunt pipes are arranged in rows at equal intervals, and the slurry tank is connected with the inside of the shunt pipe through the discharge pipe.

[0013] By adopting the technical scheme, the utility model has the beneficial effects that:

[0014] 1. In the utility model, when coating is performed, two hydraulic cylinders are started, then the piston plates extrude raw materials in two slurry tanks respectively, the raw materials enter multiple shunt pipes through the discharge pipe, then are injected into the cavity, then when the coating roller rotates, the outer surface thereof wipes the slurry in the cavity, then is scraped evenly by the two scrapers, thereby ensuring the coating effect of the release paper moving along the coating rod, and improving the forming effect of the release paper.

[0015] 2. In the utility model, the release paper is introduced from the inside of the connecting frame, then the movable end of the release paper passes through the bottom of the pressing rod close to the connecting frame, then passes around the top of the coating roller, then passes through the bottom of the other pressing rod, and finally the release paper is connected with the external winding mechanism, thereby preventing the release paper from contacting other parts in the device, and making the coating operation more stable. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the whole structure of the utility model;

[0017] Figure 2It is a coating mechanism schematic view of the utility model.

[0018] Figure 3 It is a conveying mechanism schematic view of the utility model.

[0019] Figure 4 It is a uniform coating mechanism schematic view of the utility model.

[0020] Reference signs:

[0021] 100, coating mechanism, 110, rack, 120, coating roller, 130, pressing rod,

[0022] 200, conveying mechanism, 210, slurry tank, 220, connecting frame, 230, hydraulic cylinder, 240, piston disc, 250, discharge pipe,

[0023] 300, uniform coating mechanism, 310, scraper, 320, film, 330, shunt pipe. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantage of the utility model more clear and apparent, the utility model is further explained in detail below in combination with specific implementation manners and with reference to the drawings. It should be explained that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0025] It is understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model.

[0026] Some embodiments of the utility model are described below in combination with the drawings to provide a high-speed cold roller line extrusion coating machine for release paper.

[0027] Embodiment one:

[0028] In combination with Figures 1-4 As shown in the figure, the utility model provides a high-speed cold roller line extrusion coating machine for release paper, which comprises a coating mechanism 100, a conveying mechanism 200 and a uniform coating mechanism 300, the coating mechanism 100 comprises a rack 110, a coating roller 120 movably installed inside the rack 110, two pressing rods 130 connected with the top of the rack 110, and the two pressing rods 130 are respectively located on both sides of the coating roller 120.

[0029] The conveying mechanism 200 comprises two slurry tanks 210 installed on the front and rear sides of the rack 110, a connecting frame 220 connected between the two slurry tanks 210, two hydraulic cylinders 230 penetrating through the top of the connecting frame 220, a piston disc 240 connected with the movable end of the hydraulic cylinder 230, and a discharge pipe 250 arranged at the bottom of the connecting frame 220 and connected between the two slurry tanks 210.

[0030] A coating uniformity mechanism 300 is arranged on the inner wall of the frame 110, which comprises two scrapers 310 connected with the inner wall of the frame 110, a film 320 connected between the two scrapers 310, and a plurality of shunt pipes 330 connected between the discharge pipe 250 and the film 320. The scrapers 310 are arranged obliquely, and the outer ends thereof are in contact with the outer wall of the coating roller 120.

[0031] Further, the two piston plates 240 are vertically coaxial with the two slurry tanks 210, and the piston plates 240 are inserted into the slurry tanks 210 in an interference fit. The layout design of the two piston plates 240 enables them to be accurately inserted into the slurry tanks 210, thereby providing conditions for extruding the slurry.

[0032] Further, a cavity is left between the coating roller 120 and the film 320, and the cavity is in communication with the interior of the discharge pipe 250 through the plurality of shunt pipes 330. The cavity provides conditions for the slurry to fill and uniformly coat the surface of the coating roller 120.

[0033] Further, the plurality of shunt pipes 330 are arranged at equal intervals in a row, and the slurry tanks 210 are in communication with the interior of the shunt pipes 330 through the discharge pipe 250. The layout design of the plurality of shunt pipes 330 enables the slurry to be quickly and uniformly filled into the cavity.

[0034] Embodiment Two:

[0035] In combination with Figures 1-2 As shown in the embodiment one, the bottoms of the two pressing rods 130 are flush, and the diameters of the pressing rods 130 are smaller than the diameter of the discharge pipe 250. The layout design of the two pressing rods 130 can avoid the release paper from contacting other components of the device during movement.

[0036] Embodiment Three:

[0037] In combination with Figures 1-3 As shown in the above embodiments, the two hydraulic cylinders 230 are connected in series, and the hydraulic cylinders 230 are electrically connected with an external power supply. The structure design facilitates the operator to control the device.

[0038] The working principle and use process of the utility model: when the device is put into practical use, the release paper is introduced from the inner side of the connecting frame 220, then the movable end of the release paper first passes through the bottom of the pressing rod 130 close to the connecting frame 220, then passes over the top of the coating roller 120, then passes through the bottom of the other pressing rod 130, finally the release paper is connected with the external winding mechanism, thereby completing the "lead" operation, then when coating operation is carried out, two hydraulic cylinders 23 are started, then the piston disc 240 extrudes the raw materials in the two slurry tanks 210 respectively, the raw materials enter the multiple shunt pipes 330 through the discharge pipes 250, then are injected into the cavity, then when the coating roller 120 rotates, the outer surface thereof wipes the slurry in the cavity, then is scraped evenly by the two scrapers 310, thereby guaranteeing the coating effect and improving the forming effect of the release paper.

[0039] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A high speed cold roll in-line extrusion coater for release paper, characterized by, The application relates to a coating device. The coating device comprises a frame (110), a coating roller (120) movably arranged inside the frame (110), two pressing rods (130) connected to the top of the frame (110) and arranged on the two sides of the coating roller (120) respectively. The coating device further comprises a material conveying mechanism (200) which comprises two slurry tanks (210) arranged on the front and back of the frame (110), a connecting frame (220) connected between the two slurry tanks (210), two hydraulic cylinders (230) penetrating through the top of the connecting frame (220), piston plates (240) connected to the movable ends of the hydraulic cylinders (230), and a discharging pipe (250) arranged at the bottom of the connecting frame (220) and connected between the two slurry tanks (210). The coating device further comprises a coating uniformity mechanism (300) which comprises two scrapers (310) connected to the inner wall of the frame (110), a film (320) connected between the two scrapers (310), and a plurality of shunt pipes (330) connected between the discharging pipe (250) and the film (320).

2. A high speed cold roll line extrusion coater for release paper as claimed in claim 1 wherein, The bottom of the two pressing rods (130) is flush, and the diameter of the pressing rods (130) is smaller than the diameter of the discharging pipe (250).

3. A high speed cold roll line extrusion coater for release paper as claimed in claim 1 wherein, The two hydraulic cylinders (230) are connected in series, and the hydraulic cylinders (230) are electrically connected to an external power supply.

4. A high speed cold roll line extrusion coater for release paper as claimed in claim 1 wherein, The two piston plates (240) are vertically coaxial with the two slurry tanks (210) respectively, and the piston plates (240) are shrink-fitted with the slurry tanks (210).

5. A high speed cold roll line extrusion coater for release paper as claimed in claim 1 wherein, A cavity is left between the coating roller (120) and the film (320), and the cavity is communicated with the inside of the discharging pipe (250) through the plurality of shunt pipes (330).

6. A high speed cold roll line extrusion coater for release paper as claimed in claim 1 wherein, The plurality of shunt pipes (330) are arranged at equal intervals and in rows, and the slurry tanks (210) are communicated with the inside of the shunt pipes (330) through the discharging pipe (250).

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