Peep-proof film production device

Abstract

The invention belongs to the technical field of peep-proof film production, and particularly relates to a peep-proof film production device which comprises an extrusion mechanism, a cooling forming mechanism, a press-fit forming mechanism, a thickness measuring mechanism, a longitudinal stretching mechanism, an embossing mechanism, a corona mechanism and a traction mechanism. According to the peep-proof film production device, the extrusion mechanism automatically extrudes and forms raw materials, after the extrusion mechanism is cooled and formed through the cooling forming mechanism, the raw materials are extruded to the pressing gap between the first pressing forming roller and the second pressing forming roller, and the first pressing forming roller and the second pressing forming roller press the raw materials to form a film; the thickness of the film is measured through the laser thickness gauge, the film is stretched through the longitudinal stretching mechanism to improve the performance, then the film is embossed through the embossing mechanism and then subjected to corona through the corona mechanism to improve the surface energy of the film, and finally the film is led out through the traction mechanism. The equipment integration degree and the automation degree are improved, and the production efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of anti-peep film production, and in particular relates to an anti-peep film production device. Background Art

[0002] Anti-peep film is the abbreviation of anti-peep film or privacy protection film. Another common name is anti-peep film. The main function of anti-peep film is to protect the privacy of the screen and prevent peeping. It is usually used on display screens to protect the information on the screen, making the screen information visible from the front and invisible from the side, preventing people next to you from seeing the screen contents clearly, thereby protecting privacy.

[0003] In the existing anti-peep film production process, each step needs to be assigned to the corresponding equipment. Each device is scattered and independent, with low integration and automation. The equipment in each step works independently and needs to be transferred to the next device one by one manually for operation, resulting in low production efficiency. Summary of the invention

[0004] The purpose of the present invention is to provide an anti-peep film production device, aiming to solve the technical problems in the prior art that the degree of integration and automation is low, the equipment in each step works independently, and needs to be manually transferred to the next equipment one by one for operation, resulting in low production efficiency.

[0005] To achieve the above-mentioned purpose, an anti-peep film production device provided in an embodiment of the present invention includes an extrusion mechanism, a cooling and forming mechanism, a pressing and forming mechanism, a thickness measuring mechanism, a longitudinal stretching mechanism, an embossing mechanism, a corona mechanism and a traction mechanism, wherein the extrusion mechanism, the cooling and forming mechanism, the pressing and forming mechanism, the thickness measuring mechanism, the longitudinal stretching mechanism, the embossing mechanism, the corona mechanism and the traction mechanism are arranged in sequence from left to right;

[0006] The extrusion mechanism comprises an extrusion frame and an extruder, wherein the extruder is fixedly connected to the extrusion frame and connected to the cooling and molding mechanism;

[0007] The cooling molding mechanism comprises a cooling molding frame, a cooling molding box and a water cooling pipe, wherein the cooling molding frame is connected to the extruder frame, the cooling molding box is connected to the cooling molding frame, and the water cooling pipe is connected to the cooling molding box; the extruder is arranged in the cooling molding box, and one end thereof is arranged on one side of the pressing molding mechanism;

[0008] The pressing and forming mechanism comprises a pressing and forming frame, a first pressing and forming roller and a second pressing and forming roller, wherein the pressing and forming frame is arranged on one side of the extruder frame, the first pressing and forming roller and the second pressing and forming roller are both rotatably connected to the pressing and forming frame, the first pressing and forming roller and the second pressing and forming roller are arranged at intervals to form a pressing gap; one end of the extruder is arranged above the pressing gap;

[0009] The thickness measuring mechanism comprises a thickness measuring base and a laser thickness gauge, wherein the thickness measuring base is arranged on one side of the pressing forming frame, and the laser thickness gauge is connected to the thickness measuring base;

[0010] The longitudinal stretching mechanism comprises a longitudinal stretching frame, a longitudinal stretching introduction roller, and a longitudinal stretching lead-out roller. The longitudinal stretching frame is arranged on one side of the thickness measuring base. The longitudinal stretching introduction roller is rotatably connected to one end of the longitudinal stretching frame, and the longitudinal stretching lead-out roller is rotatably connected to the other end of the longitudinal stretching frame.

[0011] The embossing mechanism comprises an embossing bracket and an embossing template, wherein the embossing bracket is connected to the longitudinal stretching bracket, and the embossing template is connected to the embossing bracket and is arranged on one side of the longitudinal stretching introduction roller;

[0012] The corona mechanism comprises a corona support, a corona roller and a conveying roller, wherein the corona support is arranged at one side of the longitudinal stretching frame, the corona roller is rotatably connected to the corona support, and the conveying roller is arranged at one side of the corona roller and rotatably connected to the corona support;

[0013] The traction mechanism includes a traction base, a traction roller, a motor base and a traction motor. The traction base is arranged on one side of the longitudinal stretching frame. The traction roller is rotatably connected to the traction base and connected to the traction motor. The motor base is connected to the traction base. The traction motor is connected to the motor base and drives the traction roller to rotate.

[0014] As an optional solution of the present invention, the extruder includes a barrel, a heating hopper and an extrusion feed pipe, the barrel is fixedly connected to the extrusion frame and is passed through the cooling and molding box, the heating hopper is fixedly connected to one end of the barrel, the extrusion feed pipe is fixedly connected to the other end of the barrel, and the extrusion feed pipe is arranged above the pressing gap.

[0015] As an optional solution of the present invention, the cooling molding box is arranged in a rectangular shape, and a plurality of the water cooling pipes are provided and are all fixedly connected to the cooling molding box.

[0016] As an optional solution of the present invention, the size of the pressing gap is 0.5-2 mm.

[0017] As an optional solution of the present invention, there are multiple longitudinal stretching introduction rollers and longitudinal stretching export rollers, and the longitudinal stretching introduction rollers and longitudinal stretching export rollers are respectively arranged on one side of the longitudinal stretching frame, the longitudinal stretching introduction rollers and the longitudinal stretching export rollers are arranged parallel to each other, and adjacent longitudinal stretching introduction rollers and longitudinal stretching export rollers are arranged at intervals.

[0018] As an optional solution of the present invention, two embossing templates are provided, one of which is arranged between the longitudinal stretching introduction roller and the longitudinal stretching export roller, and the other is arranged between the longitudinal stretching export roller and the corona bracket, and the two embossing templates are parallel, spaced apart, and arranged on the same horizontal line; an embossing pattern is fixedly connected to the embossing template, and a plurality of embossing patterns are provided and evenly arranged on the embossing template.

[0019] As an optional solution of the present invention, the corona roller is arranged at the front end of the corona bracket, a plurality of conveying rollers are provided and evenly arranged on the corona bracket, and adjacent conveying rollers are arranged at intervals.

[0020] As an optional solution of the present invention, a traction lead-out roller is provided at one end of the traction roller, and the traction lead-out roller is rotatably connected to the traction base.

[0021] The above one or more technical solutions in the anti-peep film production device provided by the embodiment of the present invention have at least one of the following technical effects:

[0022] The anti-peep film production device provided by the present application includes an extrusion mechanism, a cooling and molding mechanism, a pressing and molding mechanism, a thickness measuring mechanism, a longitudinal stretching mechanism, an embossing mechanism, a corona mechanism and a traction mechanism. The extrusion mechanism automatically extrude the raw material into shape. After the extrusion mechanism is cooled and molded by the cooling and molding mechanism, the raw material is extruded to the pressing gap between the first pressing and molding roller and the second pressing and molding roller. The first pressing and molding roller presses the raw material into a film. The film is measured for thickness by a laser thickness gauge and stretched by a longitudinal stretching mechanism to improve performance. The film is then embossed by the embossing mechanism and coronaized by the corona mechanism to improve the surface energy of the film. Finally, the film is led out by the traction mechanism. During the entire production process, the equipment corresponding to each step automatically completes the operation, which improves the equipment integration and automation level and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, 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 present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0024] Figure 1 A three-dimensional diagram of a privacy film production device provided in an embodiment of the present invention.

[0025] Figure 2 A three-dimensional diagram of a privacy film production device provided in an embodiment of the present invention.

[0026] Figure 3A three-dimensional diagram of the privacy film production device provided in an embodiment of the present invention after omitting the pressing molding frame and the corona bracket.

[0027] Figure 4 A three-dimensional diagram of the privacy film production device provided in an embodiment of the present invention after omitting the pressing molding frame and the corona bracket.

[0028] Among them, the reference numerals in the figure are:

[0029] 1. Extrusion mechanism; 2. Cooling and molding mechanism; 3. Pressing and molding mechanism; 4. Thickness measuring mechanism; 5. Longitudinal stretching mechanism; 6. Embossing mechanism; 7. Corona mechanism; 8. Traction mechanism;

[0030] 11. Extrusion frame; 12. Extruder; 13. Cylinder; 14. Heating hopper; 15. Extrusion discharge pipe;

[0031] 21. Cooling molding rack; 22. Cooling molding box;

[0032] 31. Pressing forming frame; 32. First pressing forming roller; 33. Second pressing forming roller;

[0033] 41. Thickness measuring base; 42. Laser thickness gauge;

[0034] 51. Longitudinal stretching frame; 52. Longitudinal stretching introduction roller; 53. Longitudinal stretching outlet roller;

[0035] 61. Embossing bracket; 62. Embossing template;

[0036] 71. corona support; 72. corona roller; 73. conveying roller;

[0037] 81. Traction base; 82. Traction roller; 83. Motor base; 84. Traction lead-out roller. DETAILED DESCRIPTION

[0038] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0039] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0041] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0042] In one embodiment of the present invention, Figures 1 to 4 As shown, a privacy film production device is provided, including an extrusion mechanism 1, a cooling and molding mechanism 2, a pressing and molding mechanism 3, a thickness measuring mechanism 4, a longitudinal stretching mechanism 5, an embossing mechanism 6, a corona mechanism 7 and a traction mechanism 8. The extrusion mechanism 1, the cooling and molding mechanism 2, the pressing and molding mechanism 3, the thickness measuring mechanism 4, the longitudinal stretching mechanism 5, the embossing mechanism 6, the corona mechanism 7 and the traction mechanism 8 are arranged in sequence from left to right.

[0043] The extrusion mechanism 1 includes an extrusion frame 11 and an extruder 12, wherein the extruder 12 is fixedly connected to the extrusion frame 11 and connected to the cooling and molding mechanism 2. The extruder 12 extrudes the raw material into a shape, and the raw material is pressed into a film through the pressing and molding mechanism 3.

[0044] The cooling molding mechanism 2 includes a cooling molding frame 21, a cooling molding box 22 and a water cooling pipe, wherein the cooling molding frame 21 is connected to the extruder frame 11, the cooling molding box 22 is connected to the cooling molding frame 21, and the water cooling pipe is connected to the cooling molding box 22. The extruder 12 is arranged in the cooling molding box 22, and one end is arranged on one side of the pressing molding mechanism 3. When the extruder 12 extrude and mold the raw material, the temperature is reduced by the water cooling pipe, so that the raw material in the extruder 12 is cooled and molded before extrusion.

[0045] The pressing and forming mechanism 3 includes a pressing and forming frame 31, a first pressing and forming roller 32 and a second pressing and forming roller 33. The pressing and forming frame 31 is arranged on one side of the extruder frame 11. The first pressing and forming roller 32 and the second pressing and forming roller 33 are both rotatably connected to the pressing and forming frame 31. The first pressing and forming roller 32 and the second pressing and forming roller 33 are arranged at intervals to form a pressing gap. One end of the extruder 12 is arranged above the pressing gap. The extruder 12 extrude the raw material into the pressing gap, and the first pressing and forming roller 32 and the second pressing and forming roller 33 press the raw material in the pressing gap into a film.

[0046] The thickness measuring mechanism 4 includes a thickness measuring base 41 and a laser thickness gauge 42. The thickness measuring base 41 is arranged on one side of the pressing and forming frame 31, and the laser thickness gauge 42 is connected to the thickness measuring base 41. After the film is pressed and formed, the thickness is measured by the laser thickness gauge 42.

[0047] The longitudinal stretching mechanism 5 includes a longitudinal stretching frame 51, a longitudinal stretching introduction roller 52, and a longitudinal stretching lead-out roller 53. The longitudinal stretching frame 51 is arranged on one side of the thickness measuring base 41. The longitudinal stretching introduction roller 52 is rotatably connected to one end of the longitudinal stretching frame 51, and the longitudinal stretching lead-out roller 53 is rotatably connected to the other end of the longitudinal stretching frame 51. After the film is measured for thickness by the laser thickness gauge 42, the film is stretched by the longitudinal stretching introduction roller 52 and the longitudinal stretching lead-out roller 53 to improve the performance of the film.

[0048] The embossing mechanism 6 includes an embossing bracket 61 and an embossing template 62. The embossing bracket 61 is connected to the longitudinal stretching bracket 51. The embossing template 62 is connected to the embossing bracket 61 and is arranged on one side of the longitudinal stretching introduction roller 52. After the film is stretched by the longitudinal stretching mechanism 5, the embossing operation is performed by the embossing template 62 to emboss the pattern on the film.

[0049] The corona mechanism 7 includes a corona support 71, a corona roller 72 and a conveying roller 73. The corona support 71 is arranged at one side of the longitudinal stretching frame 51, the corona roller 72 is rotatably connected to the corona support 71, and the conveying roller 73 is arranged at one side of the corona roller 72 and is rotatably connected to the corona support 71. After the film is printed, the corona operation is performed by the corona roller 72 to improve the surface energy of the film.

[0050] The traction mechanism 8 includes a traction base 81, a traction roller 82, a motor base 83 and a traction motor. The traction base 81 is arranged on one side of the longitudinal stretching frame 51. The traction roller 82 is rotatably connected to the traction base 81 and connected to the traction motor. The motor base 83 is connected to the traction base 81. The traction motor is connected to the motor base 83 and drives the traction roller 82 to rotate. After the film is subjected to the corona operation, the traction roller 82 is driven to rotate by the traction motor, thereby traction and leading the film out.

[0051] The anti-peep film production device provided in the present application has an extrusion mechanism 1 that automatically extrudes the raw material into shape. After the extrusion mechanism 1 is cooled and formed by the cooling and forming mechanism 2, the raw material is extruded into the pressing gap between the first pressing and forming roller 32 and the second pressing and forming roller 33. The first pressing and forming roller 32 and the second pressing and forming roller 33 press the raw material into a film. The film is measured for thickness by a laser thickness gauge 42, and is stretched by a longitudinal stretching mechanism 5 to improve performance. The film is then embossed by an embossing mechanism 6, and then corona-treated by a corona mechanism 7 to improve the surface energy of the film. Finally, the film is led out by a traction mechanism 8. During the entire production process, the equipment corresponding to each step automatically completes the operation, thereby improving the equipment integration and automation level, and improving production efficiency.

[0052] In another embodiment of the present invention, the extruder 12 of the privacy film production device includes a barrel 13, a heating hopper 14 and an extrusion feed tube 15. The barrel 13 is fixedly connected to the extrusion frame 11 and is inserted into the cooling and molding box 22. The heating hopper 14 is fixedly connected to one end of the barrel 13, and the extrusion feed tube 15 is fixedly connected to the other end of the barrel 13. The extrusion feed tube 15 is arranged above the pressing gap. After the raw material in the heating hopper 14 is heated and melted, the raw material is introduced into the extrusion feed tube 15 through the barrel 13, and after being cooled and molded by the water cooling tube, the raw material is extruded through the extrusion feed tube 15.

[0053] In another embodiment of the present invention, the cooling molding box 22 of the anti-peep film production device is arranged in a rectangular shape, and a plurality of water cooling pipes are provided, and all are fixedly connected to the cooling molding box 22. The heat dissipation efficiency is improved by providing a plurality of water cooling pipes, so as to accelerate the cooling and molding of the raw materials in the barrel 13.

[0054] In another embodiment of the present invention, the size of the pressing gap of the privacy film production device is 0.5-2 mm, preferably 1 mm.

[0055] In another embodiment of the present invention, the privacy film production device is provided with a plurality of longitudinal stretching introduction rollers 52 and longitudinal stretching export rollers 53, which are respectively arranged on one side of the longitudinal stretching frame 51, and the longitudinal stretching introduction rollers 52 and longitudinal stretching export rollers 53 are arranged parallel to each other, and adjacent longitudinal stretching introduction rollers 52 and longitudinal stretching export rollers 53 are arranged at intervals. The film is stretched by the longitudinal stretching introduction rollers 52 and longitudinal stretching export rollers 53, thereby improving the film performance.

[0056] In another embodiment of the present invention, the embossing template 62 of the privacy film production device is provided with two, one of which is arranged between the longitudinal stretching introduction roller 52 and the longitudinal stretching outlet roller 53, and the other is arranged between the longitudinal stretching outlet roller 53 and the corona bracket 71, and the two embossing templates 62 are arranged in parallel, spaced apart, and arranged on the same horizontal line; the embossing template 62 is fixedly connected with an embossing pattern, and a plurality of embossing patterns are provided and evenly arranged on the embossing template 62. By providing two embossing templates 62, the printing efficiency of the film is improved.

[0057] In another embodiment of the present invention, the corona roller 72 of the privacy film production device is arranged at the front end of the corona bracket 71, and a plurality of conveying rollers 73 are provided and evenly arranged on the corona bracket 71, and adjacent conveying rollers 73 are arranged at intervals. By providing a plurality of conveying rollers 73, it is convenient to convey the film.

[0058] In another embodiment of the present invention, a traction roller 84 is provided at one end of the traction roller 82 of the privacy film production device, and the traction roller 84 is rotatably connected to the traction base 81. The film is traction-transported by the traction motor and the traction roller 82, and is discharged through the traction roller 84.

[0059] The anti-peep film production device provided in the present application has an extrusion mechanism 1 that automatically extrudes the raw material into shape. After the extrusion mechanism 1 is cooled and formed by the cooling and forming mechanism 2, the raw material is extruded into the pressing gap between the first pressing and forming roller 32 and the second pressing and forming roller 33. The first pressing and forming roller 32 and the second pressing and forming roller 33 press the raw material into a film. The film is measured for thickness by a laser thickness gauge 42, and is stretched by a longitudinal stretching mechanism 5 to improve performance. The film is then embossed by an embossing mechanism 6, and then corona-treated by a corona mechanism 7 to improve the surface energy of the film. Finally, the film is led out by a traction mechanism 8. During the entire production process, the equipment corresponding to each step automatically completes the operation, thereby improving the equipment integration and automation level, and improving production efficiency.

[0060] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A privacy film production device, characterized in that: It includes an extrusion mechanism, a cooling and forming mechanism, a pressing and forming mechanism, a thickness measuring mechanism, a longitudinal stretching mechanism, an embossing mechanism, a corona mechanism and a traction mechanism, wherein the extrusion mechanism, the cooling and forming mechanism, the pressing and forming mechanism, the thickness measuring mechanism, the longitudinal stretching mechanism, the embossing mechanism, the corona mechanism and the traction mechanism are arranged in sequence from left to right; The extrusion mechanism comprises an extrusion frame and an extruder, wherein the extruder is fixedly connected to the extrusion frame and connected to the cooling and molding mechanism; The cooling molding mechanism comprises a cooling molding frame, a cooling molding box and a water cooling pipe, wherein the cooling molding frame is connected to the extruder frame, the cooling molding box is connected to the cooling molding frame, and the water cooling pipe is connected to the cooling molding box; the extruder is arranged in the cooling molding box, and one end thereof is arranged on one side of the pressing molding mechanism; The pressing and forming mechanism comprises a pressing and forming frame, a first pressing and forming roller and a second pressing and forming roller, wherein the pressing and forming frame is arranged on one side of the extruder frame, the first pressing and forming roller and the second pressing and forming roller are both rotatably connected to the pressing and forming frame, the first pressing and forming roller and the second pressing and forming roller are arranged at intervals to form a pressing gap; one end of the extruder is arranged above the pressing gap; The thickness measuring mechanism comprises a thickness measuring base and a laser thickness gauge, wherein the thickness measuring base is arranged on one side of the pressing forming frame, and the laser thickness gauge is connected to the thickness measuring base; The longitudinal stretching mechanism comprises a longitudinal stretching frame, a longitudinal stretching introduction roller, and a longitudinal stretching lead-out roller. The longitudinal stretching frame is arranged on one side of the thickness measuring base. The longitudinal stretching introduction roller is rotatably connected to one end of the longitudinal stretching frame, and the longitudinal stretching lead-out roller is rotatably connected to the other end of the longitudinal stretching frame. The embossing mechanism comprises an embossing bracket and an embossing template, wherein the embossing bracket is connected to the longitudinal stretching bracket, and the embossing template is connected to the embossing bracket and is arranged on one side of the longitudinal stretching introduction roller; The corona mechanism comprises a corona support, a corona roller and a conveying roller, wherein the corona support is arranged at one side of the longitudinal stretching frame, the corona roller is rotatably connected to the corona support, and the conveying roller is arranged at one side of the corona roller and rotatably connected to the corona support; The traction mechanism includes a traction base, a traction roller, a motor base and a traction motor. The traction base is arranged on one side of the longitudinal stretching frame. The traction roller is rotatably connected to the traction base and connected to the traction motor. The motor base is connected to the traction base. The traction motor is connected to the motor base and drives the traction roller to rotate.

2. The device for producing a privacy film according to claim 1, characterized in that: The extruder includes a barrel, a heating hopper and an extrusion feed pipe. The barrel is fixedly connected to the extrusion frame and is passed through the cooling and molding box. The heating hopper is fixedly connected to one end of the barrel, and the extrusion feed pipe is fixedly connected to the other end of the barrel. The extrusion feed pipe is arranged above the pressing gap.

3. The device for producing a privacy film according to claim 1, characterized in that: The cooling molding box is arranged in a rectangular shape, and a plurality of water cooling pipes are provided and are all fixedly connected to the cooling molding box.

4. The device for producing a privacy film according to claim 1, characterized in that: The size of the pressing gap is 0.5-2 mm.

5. The device for producing a privacy film according to claim 1, characterized in that: There are multiple longitudinal stretching introduction rollers and longitudinal stretching export rollers, and the longitudinal stretching introduction rollers and longitudinal stretching export rollers are respectively arranged on one side of the longitudinal stretching frame. The longitudinal stretching introduction rollers and the longitudinal stretching export rollers are arranged parallel to each other, and the adjacent longitudinal stretching introduction rollers and longitudinal stretching export rollers are arranged at intervals.

6. The device for producing a privacy film according to claim 5, characterized in that: There are two embossing templates, one of which is arranged between the longitudinal stretching introduction roller and the longitudinal stretching export roller, and the other embossing template is arranged between the longitudinal stretching export roller and the corona bracket. The two embossing templates are parallel, spaced apart, and arranged on the same horizontal line; an embossing pattern is fixedly connected to the embossing template, and there are multiple embossing patterns, which are evenly arranged on the embossing template.

7. The device for producing a privacy film according to claim 1, characterized in that: The corona roller is arranged at the front end of the corona bracket, a plurality of conveying rollers are provided and are evenly arranged on the corona bracket, and adjacent conveying rollers are arranged at intervals.

8. The device for producing a privacy film according to claim 1, characterized in that: A traction lead-out roller is provided at one end of the traction roller, and the traction lead-out roller is rotatably connected to the traction base.

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