Two-roller calender for wedge-shaped film production

Abstract

The utility model discloses a two-roller calender for wedge-shaped film production, which comprises a rack, a first roller and a second roller which can rotate around the axis of the first roller and are arranged on the rack side by side, a first opening and closing assembly and a second opening and closing assembly which are in transmission connection with the second roller, and a lifting device arranged at the bottom of the rack, the first roller is provided with a first end part and a second end part which are rotationally connected with the rack; the second roller is provided with a third end part and a fourth end part which are connected with the rack in a sliding and rotating manner, the third end part and the first end part are positioned on one side of the rack, and the fourth end part and the second end part are positioned on the other side of the rack; the first opening and closing assembly is in transmission connection with the third end part so as to adjust the distance between the third end part and the first end part; the second opening and closing assembly is in transmission connection with the fourth end part so as to adjust the distance between the fourth end part and the second end part; the lifting device is used for driving the rack to move in the vertical direction. The device is simple in structure, high in adjusting precision and suitable for continuous production of wedge-shaped films.

Description

Technical Field

[0001] The present application relates to the technical field of wedge-shaped film production equipment, and in particular to a two-roll calender for producing wedge-shaped films. Background Art

[0002] The light projected by the traditional vehicle head-up display is dispersed into at least two beams after passing through the windshield. The dispersed light is reflected by the inner and outer surfaces of the windshield and enters the human eye. The human eye will produce double images, making it difficult for users to recognize the image and easily causing safety hazards while driving. In order to solve the problem of double images, double-layer windshields with wedge-shaped PVB interlayers embedded inside are currently on the market. The images reflected by the inner and outer surfaces of the windshield are overlapped into one image through the internal wedge-shaped film, solving the problem of double images. The angle of this wedge-shaped film and the thin and thick ends need to be precisely controlled, but the current wedge-shaped film production equipment has low adjustment accuracy and low production efficiency. Summary of the invention

[0003] In order to solve the above technical problems, the purpose of the present application is to provide a two-roll calender for producing wedge-shaped films.

[0004] To achieve the above-mentioned purpose, the present application adopts the following technical solution: a two-roll calender for producing wedge-shaped films, comprising:

[0005] frame,

[0006] A first roller is rotatably arranged on the frame around its own axis, and the first roller has a first end and a second end rotatably connected to the frame;

[0007] The second roller is rotatably arranged on the frame around its own axis and arranged side by side with the first roller. The second roller has a third end and a fourth end which are both slidably connected and rotatably connected to the frame. The third end and the first end are located on one side of the frame, and the fourth end and the second end are located on the other side of the frame.

[0008] A first opening and closing assembly is drivingly connected to the third end portion to adjust the distance between the third end portion and the first end portion;

[0009] A second opening and closing assembly is drivingly connected to the fourth end portion to adjust the distance between the fourth end portion and the second end portion; and

[0010] The lifting device is arranged at the bottom of the frame, and is used to drive the frame to move in the up and down directions.

[0011] In the above technical solution, it is further preferred that the first opening and closing component includes a first digital display device, which is arranged between the first end and the third end and is connected to the first end and the third end at the same time, and the first digital display device is used to display the distance between the third end and the first end.

[0012] In the above technical solution, it is further preferred that the second opening and closing component includes a second digital display device, which is arranged between the second end and the fourth end and is connected to the second end and the fourth end at the same time, and the second digital display device is used to display the distance between the fourth end and the second end.

[0013] In the above technical solution, it is further preferred that it also includes a pair of fixed bearing seats and a pair of sliding bearing seats, the pair of fixed bearing seats are fixedly arranged on the frame, the pair of sliding bearing seats are slidably arranged on the frame, the first end and the second end of the first roller are respectively rotatably connected to the pair of fixed bearing seats, and the third end and the fourth end of the second roller are respectively rotatably connected to the pair of sliding bearing seats.

[0014] In the above technical solution, it is further preferred that the bearings in the pair of sliding bearing seats are spherical roller bearings.

[0015] In the above technical solution, it is further preferred that the first opening and closing assembly and the second opening and closing assembly are respectively connected to the pair of sliding bearing seats, the first opening and closing assembly includes a first adjusting handwheel and a first turbine and worm gear component that is transmission-connected to the first adjusting handwheel and the corresponding sliding bearing seat, and the second opening and closing assembly includes a second adjusting handwheel and a second turbine and worm gear component that is transmission-connected to the second adjusting handwheel and the corresponding sliding bearing seat.

[0016] In the above technical solution, it is further preferred that the lifting device includes a base, a first lifting assembly, a second lifting assembly and a lifting motor, the frame is arranged above the base, the first lifting assembly and the second lifting assembly are relatively connected between the frame and the base front and back, and the first lifting assembly is transmission-connected to the second lifting assembly, and the lifting motor is transmission-connected to one of the first lifting assembly and the second lifting assembly to drive the first lifting assembly and the second lifting assembly to synchronously lift the frame.

[0017] In the above technical solution, it is further preferred that a plurality of movable parts are rotatably arranged at the bottom of the base.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present application drives the two ends of the second roller to approach and move away from the two ends of the first roller respectively by means of the first opening and closing components which are adjusted independently of each other, so that an inclined angle is formed between the second roller and the first roller to continuously press-fit a wedge-shaped film. The present application has a simple structure and high adjustment accuracy, and is suitable for the continuous production of wedge-shaped films. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of a three-dimensional structure of a two-roll calender provided in an embodiment of the present application, in which the two-roll calender is arranged downstream of an extrusion die;

[0021] Figure 2 for Figure 1 The front view of the two-roll calender in FIG.

[0022] Figure 3 for Figure 1 A top view of a two-roll calender in FIG.

[0023] Figure 4 for Figure 1 Side view of the two-roll calender in Figure 1.

[0024] Wherein: 100, two-roll calender; 1, frame; 11, wall panel; 2, first roller; 21, first end; 22, second end; 3, second roller; 31, third end; 32, fourth end; 4, first opening and closing assembly; 41, first digital display device; 42, first adjusting hand wheel; 43, first turbine worm gear component; 5, second opening and closing assembly; 51, second digital display device; 52, second adjusting hand wheel; 53, second turbine worm gear component; 61, fixed bearing seat; 62, sliding bearing seat; 63, sliding guide rail; 64, slider; 65, first motor; 66, second motor; 7, lifting device; 71, first lifting assembly; 72, second lifting assembly; 73, lifting motor; 74, base; 8, moving mechanism; 81, moving component; 82, moving guide rail; 200, extrusion die. DETAILED DESCRIPTION

[0025] To describe the technical content, structural features, achieved purpose and effect of the application in detail, the technical solutions in the embodiments of the application will be described below in conjunction with the drawings in the embodiments of the application. Obviously, the described embodiments are only a part of the embodiments of the application, rather than all of the embodiments. In the following description, for the purpose of explanation, many specific details are set forth to provide a detailed description of various exemplary embodiments or implementations of the invention. However, various exemplary embodiments may also be implemented without these specific details or in the case of one or more equivalent arrangements. In addition, various exemplary embodiments may be different, but not necessarily exclusive. For example, without departing from the inventive concept, the specific shape, structure and characteristics of the exemplary embodiment may be used or implemented in another exemplary embodiment.

[0026] In the following, the terms "first", "second", etc. are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0027] The terms “front”, “back”, “left”, “right”, “up” and “down” in this application refer to the attached Figure 1 Front, back, left, right, up and down as shown.

[0028] In the present application, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium.

[0029] The present application embodiment provides a two-roll calender for producing wedge-shaped films, such as Figure 1 As shown, the two-roll calender 100 is arranged downstream of the extrusion die 200 to calender and shape the wedge-shaped film extruded by the extrusion die 200; the two-roll calender 100 comprises: a frame 1, a first roller 2 and a second roller 3 which are arranged on the top of the frame 1 and can rotate around their own axis, a first opening and closing assembly 4 and a second opening and closing assembly 5 which are transmission-connected with the second roller 3, and a lifting device 7 arranged at the bottom of the frame 1. The die opening of the extrusion die 200 faces the gap between the first roller 2 and the second roller 3 to extrude the film blank between the first roller 2 and the second roller 3.

[0030] like Figure 1 , 4 As shown, the frame 1 includes a pair of wall panels 11 arranged opposite to each other on the left and right sides, and a plurality of cross beams are arranged between the pair of wall panels 11 to connect and support the pair of wall panels 11 and enhance the stability of the wall panels 11.

[0031] like Figure 1-3 As shown, the first roller 2 has a first end 21 and a second end 22 that are far away from each other, and the first end 21 and the second end 22 are respectively mounted on a pair of wall panels 11 and are respectively rotatably connected to the pair of wall panels 11. The first end 21 and the second end 22 are respectively rotatably connected to a pair of fixed bearing seats 61, and the pair of fixed bearing seats 61 are fixedly connected to the top of the pair of wall panels 11. The pair of fixed bearing seats 61 ensures that the first roller 2 can be rotatably arranged on the frame 1 around its own axis.

[0032] The second roller 3 is arranged side by side with the first roller 2. The second roller 3 has a third end 31 and a fourth end 32 which are far from each other. The third end 31 and the fourth end 32 are respectively mounted on a pair of wall panels 11 and are respectively connected to the pair of wall panels 11 in both sliding and rotational connection. The third end 31 and the first end 21 are located on the same side of the frame 1, and the fourth end 32 and the second end 22 are located on the same side of the frame 1. The third end 31 and the fourth end 32 are respectively connected to a pair of sliding bearing seats 62 for rotational connection. The pair of sliding bearing seats 62 are respectively arranged on the top of the pair of wall panels 11 for sliding in the front-to-back direction. The pair of sliding bearing seats 62 ensure that the second roller 3 can be arranged on the frame 1 for rotation around its own axis, and the third end 31 and the fourth end 32 are respectively arranged on the frame 1 for sliding in the front-to-back direction. The sliding of the third end 31 and the front-to-back sliding of the fourth end 32 are independent of each other. The third end 31 and the fourth end 32 can slide in the front-to-back direction respectively, so that the distance between the third end 31 and the first end 21 can be different from the distance between the fourth end 32 and the second end 22, resulting in the second roller 3 being inclined relative to the first roller 2 and having an inclined angle with the first roller 2, thereby achieving a wedge-shaped film with different thicknesses at the left and right ends and a smooth surface pressed between the first roller 2 and the second roller 3.

[0033] A pair of sliding bearing seats 62 are provided with spherical roller bearings connected to the third end 31 and the fourth end 32. The spherical roller bearings allow the second roller 3 to have different angles relative to the pair of sliding bearing seats 62, so that when the distance between the third end 31 and the first end 21 is different from the distance between the fourth end 32 and the second end 22, the second roller 3 can still be rotatably connected to the pair of sliding bearing seats 62 around its own axis, ensuring that the second roller 3 rotates stably during the process of pressing the wedge-shaped film with the first roller 2.

[0034] like Figure 1 , 2As shown, a pair of sliding structures are respectively arranged between a pair of sliding bearing seats 62 and a pair of wall panels 11, each sliding structure includes a sliding guide rail 63 fixed on the top of the corresponding wall panel 11 and a slider 64 fixed on the bottom of the corresponding sliding bearing seat 62, the sliding guide rail 63 extends in the front-to-back direction, and the slider 64 slides in cooperation with the corresponding sliding guide rail 63.

[0035] like Figure 3 , 4 As shown, the first roller 2 is connected to a first motor 65 and rotates around its own axis under the drive of the first motor 65; the second roller 3 is connected to a second motor 66 and rotates around its own axis under the drive of the second motor 66. The first motor 65 and the second motor 66 are both connected to a control device, and the control device controls the first motor 65 and the second motor 66 to output the same speed, so that the first roller 2 and the second roller 3 press the wedge film at the same speed, avoiding wrinkles and uneven thickness of the wedge film, and improving the quality of the wedge film.

[0036] like Figure 1-3 As shown, the first opening and closing component 4 is connected to the sliding bearing seat 62 of the third end 31, and the first opening and closing component 4 is used to drive the sliding bearing seat 62 of the third end 31 to move forward and backward, so as to adjust the distance between the third end 31 and the first end 21. The first opening and closing component 4 includes a first digital display device 41, a first adjustment hand wheel 42 and a first worm gear component 43. The first digital display device 41 is arranged between the third end 31 and the first end 21, and is connected to the sliding bearing seat 62 at the third end 31 and the fixed bearing seat 61 at the first end 21. It is used to display the distance between the third end 31 and the first end 21, so that the user can intuitively see the distance between the third end 31 and the first end 21. The first worm gear component 43 is connected in transmission between the first adjusting hand wheel 42 and the sliding bearing seat 62 of the third end 31. When the first adjusting hand wheel 42 is rotated under the operation of the user, the first worm gear component 43 transmits the rotation of the first adjusting hand wheel 42 to the sliding bearing seat 62 of the third end 31, so that the sliding bearing seat 62 slides in the front and rear directions. The user can adjust the distance between the third end 31 and the first end 21 while observing the first digital display device 41, thereby improving the adjustment accuracy.

[0037] The second opening and closing assembly 5 is connected to the sliding bearing seat 62 of the fourth end 32, and the second opening and closing assembly 5 is used to drive the sliding bearing seat 62 of the fourth end 32 to move forward and backward, so as to adjust the distance between the fourth end 32 and the second end 22. The second opening and closing assembly 5 includes a second digital display device 51, a second adjustment hand wheel 52, and a second worm gear component 53. The second digital display device 51 is arranged between the fourth end 32 and the second end 22, and is connected to the sliding bearing seat 62 at the fourth end 32 and the fixed bearing seat 61 at the second end 22, and is used to display the distance between the fourth end 32 and the second end 22, so that the user can intuitively see the distance between the fourth end 32 and the second end 22. The second worm gear component 53 is connected between the second adjustment hand wheel 52 and the sliding bearing seat 62 of the fourth end 32. When the second adjustment hand wheel 52 is rotated by the user, the second worm gear component 53 transmits the rotation of the second adjustment hand wheel 52 to the sliding bearing seat 62 of the fourth end 32, so that the sliding bearing seat 62 slides in the front-back direction. The user can adjust the distance between the fourth end 32 and the second end 22 while observing the second digital display device 51, thereby improving the adjustment accuracy. In the embodiment of the present application, the first digital display device 41 and the second digital display device 51 are both dial indicators.

[0038] like Figure 1 , 2 As shown in Figures 4 and 5, the lifting device 7 is used to drive the frame 1 to move in the up and down direction to adjust the height of the first roller 2 and the second roller 3. The lifting device 7 includes a base 74, a first lifting assembly 71, a second lifting assembly 72 and a lifting motor 73. The frame 1 is arranged above the base 74. The first lifting assembly 71 and the second lifting assembly 72 are relatively connected between the frame 1 and the base 74 front and back. The first lifting assembly 71 and the second lifting assembly 72 are connected by a connecting shaft so that the frame 1 can be lifted synchronously to avoid the frame 1 from tilting due to inconsistent heights. The first lifting assembly 71 and the second lifting assembly 72 are both screw transmission structures. The lifting motor 73 is connected to one of the first lifting assembly 71 and the second lifting assembly 72 to drive the first lifting assembly 71 and the second lifting assembly 72 to lift the frame 1 synchronously.

[0039] A moving mechanism 8 is provided at the bottom of the base 74, and the moving mechanism 8 includes a plurality of moving components 81 and a moving guide rail 82 extending along the front-rear direction. The moving component 81 is a roller rotatably connected to the bottom of the base 74, and the plurality of moving components 81 cooperate with the moving guide rail 82 to facilitate the frame 1 to move back and forth along the moving guide rail 82.

[0040] The present application drives the two ends of the second roller 3 to approach and move away from the two ends of the first roller 2 respectively by means of the first opening and closing components 4 and the second opening and closing components 5 which are adjusted independently of each other, so that an inclined angle is provided between the second roller 3 and the first roller 2 to continuously press-fit a wedge-shaped film. The present application has a simple structure and high adjustment accuracy, and is suitable for the continuous production of wedge-shaped films.

[0041] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present application. Without departing from the spirit and scope of the present application, the present application may have various changes and improvements, and the scope of protection required by the present application is defined by the attached claims, description and their equivalents.

Claims

1. A two-roll calender for producing wedge-shaped films, characterized in that: include: frame, A first roller is rotatably arranged on the frame around its own axis, and the first roller has a first end and a second end rotatably connected to the frame; The second roller is rotatably arranged on the frame around its own axis and arranged side by side with the first roller. The second roller has a third end and a fourth end which are both slidably connected and rotatably connected to the frame. The third end and the first end are located on one side of the frame, and the fourth end and the second end are located on the other side of the frame. A first opening and closing assembly is drivingly connected to the third end portion to adjust the distance between the third end portion and the first end portion; A second opening and closing assembly is drivingly connected to the fourth end portion to adjust the distance between the fourth end portion and the second end portion; and The lifting device is arranged at the bottom of the frame, and is used to drive the frame to move in the up and down directions.

2. The two-roll calender according to claim 1, characterized in that: The first opening and closing component includes a first digital display device, which is arranged between the first end and the third end and is connected to the first end and the third end at the same time. The first digital display device is used to display the distance between the third end and the first end.

3. The two-roll calender according to claim 2, characterized in that: The second opening and closing component includes a second digital display device, which is arranged between the second end and the fourth end and is connected to the second end and the fourth end at the same time. The second digital display device is used to display the distance between the fourth end and the second end.

4. The two-roll calender according to claim 1, characterized in that: It also includes a pair of fixed bearing seats and a pair of sliding bearing seats, wherein the pair of fixed bearing seats are fixedly arranged on the frame, and the pair of sliding bearing seats are slidably arranged on the frame, the first end and the second end of the first roller are rotatably connected to the pair of fixed bearing seats respectively, and the third end and the fourth end of the second roller are rotatably connected to the pair of sliding bearing seats respectively.

5. The two-roll calender according to claim 4, characterized in that: The bearings in the pair of sliding bearing seats are spherical roller bearings.

6. The two-roll calender according to claim 4, characterized in that: The first opening and closing assembly and the second opening and closing assembly are respectively connected to the pair of sliding bearing seats. The first opening and closing assembly includes a first adjusting handwheel and a first turbine and worm gear component that is transmission-connected to the first adjusting handwheel and the corresponding sliding bearing seat. The second opening and closing assembly includes a second adjusting handwheel and a second turbine and worm gear component that is transmission-connected to the second adjusting handwheel and the corresponding sliding bearing seat.

7. The two-roll calender according to claim 1, characterized in that: The lifting device includes a base, a first lifting assembly, a second lifting assembly and a lifting motor. The frame is arranged above the base. The first lifting assembly and the second lifting assembly are relatively connected between the frame and the base front and back, and the first lifting assembly is transmission-connected with the second lifting assembly. The lifting motor is transmission-connected with one of the first lifting assembly and the second lifting assembly to drive the first lifting assembly and the second lifting assembly to synchronously lift the frame.

8. The two-roll calender according to claim 7, characterized in that: The bottom of the base is rotatably provided with a plurality of moving parts.

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