Coating machine capable of adjusting tensile force of thin film

Abstract

The utility model discloses a coating machine capable of adjusting the tensile force of a film, which relates to the technical field of coating machines and comprises an unwinding roller, a driving roller is arranged on one side of the unwinding roller, and a back plate is arranged on one side of the unwinding roller. The tensioning mechanism comprises a motor, a support, a floating roller and a rotating roller, the support is rotatably installed on the back plate and comprises a connecting plate and a rotating shaft, the connecting plate rotates with the rotating shaft as a rotating shaft, the floating roller is rotatably installed on the connecting plate, the rotating roller is correspondingly installed on one side of the floating roller, and the rotating roller is installed on the other side of the floating roller. The rotating roller is rotationally mounted on the back plate, and a thin film piece is wound on the floating roller and the rotating roller; and the feedback mechanism is used for feeding back the tensioning size of the thin film piece. According to the utility model, the tensioning mechanism is used for adjusting the tensioning force of the thin film piece, so that the problem that the existing coating machine cannot adjust the tensioning force of the thin film piece is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coating machine technical field especially relates to a kind of coating machines of adjustable film tension. BACKGROUND

[0002] Coating machine is mainly used for the surface coating process production of film, paper etc., this machine is to the substrate of roll form with a layer of specified function's glue, coating material or ink etc., and after drying, it is rolled up.

[0003] In the coating process, the tension control of film piece is important to coating quality, coating efficiency, therefore, a kind of coating machine of adjustable film tension is presented. CONTENT OF UTILITY MODEL

[0004] The main purpose of the utility model is to provide a kind of coating machine of adjustable film tension, the tension of film piece is adjusted by tensioning mechanism, the problem in the background art can be effectively solved.

[0005] To achieve the above-mentioned purpose, the utility model provides a kind of coating machine of adjustable film tension, including unwinding roller, tensioning mechanism and feedback mechanism;

[0006] The side of the unwinding roller is equipped with driving roller, and the side of the unwinding roller is equipped with backplate;

[0007] The tensioning mechanism is installed at the side of unwinding roller close to driving roller, and the tensioning mechanism includes motor, support, floating roller and rotating roller, the motor is fixedly installed on the backplate, the support is rotatably installed on the backplate, the support includes connecting plate and rotating shaft, the motor drives the rotating shaft to rotate, the connecting plate rotates around the rotating shaft as pivot, the floating roller is rotatably installed on the connecting plate, the side of the floating roller is correspondingly provided with rotating roller, and the rotating roller is rotatably installed on the backplate, and the floating roller and rotating roller are wound with film piece;

[0008] The feedback mechanism is installed at the side of tensioning mechanism close to driving roller, and the feedback mechanism includes pressure sensor, rotating rod and feedback shaft, the center position of the rotating rod is connected with bearing, one end of the rotating rod is connected with feedback shaft, and the other end of the rotating rod is resisted by pressure sensor.

[0009] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0010] Further, the side of the driving roller is equipped with spraying die head.

[0011] Further, the floating roller is equipped with multiple, the setting number of the floating roller and rotating roller is same, and the rotating roller is connected with driving mechanism.

[0012] Further, the torque of the motor has a certain range limit.

[0013] Further, one side of the feedback shaft is provided with an auxiliary shaft.

[0014] Further, the film member sequentially passes through the unwinding roller, the tensioning mechanism, the feedback mechanism and the driving roller in sequence.

[0015] The utility model discloses a coating machine of adjustable film tension force has the following advantages:

[0016] 1, the utility model discloses a film member pulls the floating roller and rotates to the one side close to unwinding roller, to reduce the tension of film member.

[0017] 2, the utility model discloses a motor drives the floating roller and rotates to the one side away from unwinding roller, thereby pulling the film member, improves the tension of film member, avoids the film member loose, and influences coating quality and efficiency.

[0018] 3, the utility model discloses a film member drives the feedback shaft rotation, and the change of the pressure of pressure sensor to the one end of rotating rod away from feedback shaft, according to the pressure that pressure sensor shows, and then through coefficient operation, can know the tension of film member size, thereby the adjustment of the tension of film member is convenient.

[0019] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following detailed description of the preferred embodiments of the utility model and the accompanying drawings as follows.The specific implementation of the utility model is given in the following examples and its accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings explained herein are used to provide further understanding of the utility model, constitute a part of this application, the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute undue limitation on the utility model.In the drawings:

[0021] Figure 1 It is the overall structure schematic view of the coating machine of adjustable film tension force proposed in the utility model.

[0022] Figure 2 It is the structure schematic view of the tensioning mechanism in the coating machine of adjustable film tension force proposed in the utility model.

[0023] Figure 3 It is the structure schematic view of the feedback mechanism in the coating machine of adjustable film tension force proposed in the utility model.

[0024] Figure 4The utility model discloses a structure diagram of the film piece of the coating machine of adjustable film tension.

[0025] In the figure: 1, pay-off roll; 2, driving roller; 3, backplate; 4, tensioning mechanism; 5, feedback mechanism; 6, motor; 7, support; 8, floating roller; 9, rotating roller; 10, connecting plate; 11, rotating shaft; 12, film piece; 13, pressure sensor; 14, rotating rod; 15, feedback shaft; 16, bearing; 17, auxiliary shaft. DETAILED DESCRIPTION

[0026] The following description of the utility model is combined with the accompanying Figures 1-4 The utility model discloses a structure diagram of the film piece of the coating machine of adjustable film tension.

[0027] It is explained that when the component is called " fixed to " another component, it can be directly on another component or there can be a middle component. When a component is considered to be " connected " to another component, it can be directly connected to another component or there can be a middle component. When a component is considered to be " set on " another component, it can be directly set on another component or there can be a middle component. The terms " vertical " " horizontal " " left " " right " and similar expressions used in this paper are only for the purpose of illustration.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term " and / or " used herein includes any and all combinations of one or more related listed items.

[0029] As Figures 1-4 The utility model provides a kind of coating machine of adjustable film tension, including pay-off roll 1, tensioning mechanism 4 and feedback mechanism 5;

[0030] One side of the pay-off roll 1 is provided with driving roller 2, one side of the driving roller 2 is provided with spraying die head, one side of the pay-off roll 1 is provided with backplate 3, and the backplate 3 is used to install tensioning mechanism 4 and feedback mechanism 5;

[0031] The tensioning mechanism 4 is installed on one side of the unwinding roller 1 close to the driving roller 2, the tensioning mechanism 4 comprises a motor 6, a support 7, a floating roller 8 and a rotating roller 9, the motor 6 is fixedly installed on the back plate 3, the support 7 is rotatably installed on the back plate 3, the support 7 comprises a connecting plate 10 and a rotating shaft 11, the motor 6 drives the rotating shaft 11 to rotate, the connecting plate 10 rotates around the rotating shaft 11 as the rotation axis, the floating roller 8 is rotatably installed on the connecting plate 10, the rotating roller 9 is correspondingly installed on one side of the floating roller 8, the rotating roller 9 is rotatably installed on the back plate 3, and the floating roller 8 and the rotating roller 9 are wound with the film piece 12;

[0032] The floating roller 8 is provided in plurality, the number of the floating roller 8 is same as that of the rotating roller 9, the rotating roller 9 is connected with a driving mechanism, the rotating roller 9 is used for driving the film piece 12 to move, the torque of the motor 6 has a certain range limit, and then the rotating angle of the rotating shaft 11 has a certain range limit;

[0033] The film piece 12 sequentially passes the rotating roller 9 and the floating roller 8, if the number of the floating roller 8 and the rotating roller 9 is two, the film piece 12 sequentially passes the first rotating roller 9, the first floating roller 8, the second rotating roller 9 and the second floating roller 8, when the tension of the film piece 12 is too large, the film piece 12 drives the floating roller 8 to rotate towards the side close to the unwinding roller 1, so that the tension of the film piece 12 is reduced, when the tension of the film piece 12 needs to be increased, the floating roller 8 is driven by the motor 6 to rotate towards the side away from the unwinding roller 1, so that the film piece 12 is pulled, the tension of the film piece 12 is increased, the film piece 12 is prevented from being loose, and the coating quality and efficiency are affected;

[0034] The feedback mechanism 5 is installed on one side of the tensioning mechanism 4 close to the driving roller 2, the feedback mechanism 5 comprises a pressure sensor 13, a rotating rod 14 and a feedback shaft 15, the center position of the rotating rod 14 is connected with a bearing 16, one end of the rotating rod 14 is connected with the feedback shaft 15, and the other end of the rotating rod 14 abuts against the pressure sensor 13;

[0035] One side of the feedback shaft 15 is provided with an auxiliary shaft 17, as shown in the figure, Figure 4 The auxiliary shaft 17 is provided with two, so that the film piece 12 can drive the feedback shaft 15 to rotate, the rotating rod 14 is fixedly installed on the bearing 16, the tension of the film piece 12 to the feedback shaft 15 is in a coefficient relationship with the pressure of one end of the rotating rod 14 to the pressure sensor 13, the coefficient is related to the force arms of the two ends of the rotating rod 14, according to the pressure displayed by the pressure sensor 13, the tension of the film piece 12 can be known through coefficient operation, so that the tension of the film piece 12 is conveniently adjusted.

[0036] The working principle is as follows:

[0037] The film piece 12 is released on the unwinding roller 1, sequentially passes through a plurality of rotating rollers 9 and floating rollers 8, when the tension of the film piece 12 is too large, the floating roller 8 is rotated to the side close to the unwinding roller 1 by the film piece 12, thereby reducing the tension of the film piece 12, when the tension of the film piece 12 needs to be increased, the floating roller 8 is rotated to the side away from the unwinding roller 1 by the motor 6, thereby pulling the film piece 12 and increasing the tension of the film piece 12, avoiding that the film piece 12 is loose, thereby affecting the coating quality and efficiency, meanwhile, the real-time tension of the film piece 12 can be obtained through the coefficient calculation of the pressure sensor 13.

[0038] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any person skilled in the art can implement the present application according to the drawings and the above description; however, any equivalent changes, modifications and evolutions made by those skilled in the art within the scope of the technical scheme of the present application, using the disclosed technical content, are equivalent embodiments of the present application; meanwhile, any equivalent changes, modifications and evolutions made according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A coating machine with adjustable film tension, characterized in that Include: The unwinding roller (1), one side of the unwinding roller (1) is provided with a driving roller (2), one side of the unwinding roller (1) is provided with a back plate (3); Tensioning mechanism (4), the tensioning mechanism (4) is installed on the unwinding roller (1) near the driving roller (2) side, the tensioning mechanism (4) includes motor (6), support (7), floating roller (8) and rotating roller (9), the motor (6) is fixedly installed on the back plate (3), the support (7) is rotatably installed on the back plate (3), the support (7) includes connecting plate (10) and rotating shaft (11), the motor (6) drives the rotating shaft (11) to rotate, the connecting plate (10) rotates around the rotating shaft (11) as the pivot, the floating roller (8) is rotatably installed on the connecting plate (10), one side of the floating roller (8) is correspondingly provided with a rotating roller (9), the rotating roller (9) is rotatably installed on the back plate (3), the floating roller (8) and the rotating roller (9) are wound with the film piece (12); Feedback mechanism (5), the feedback mechanism (5) is installed on the tensioning mechanism (4) near the driving roller (2) side, the feedback mechanism (5) includes pressure sensor (13), rotating rod (14) and feedback shaft (15), the center position of the rotating rod (14) is connected with bearing (16), one end of the rotating rod (14) is connected with feedback shaft (15), the other end of the rotating rod (14) is resisted with pressure sensor (13).

2. The coating machine of claim 1, wherein, One side of the driving roller (2) is provided with a spraying die.

3. The coating machine of claim 1, wherein the tension of the film is adjusted by the controller. The floating roller (8) is provided with a plurality of, the floating roller (8) and the rotating roller (9) are provided with the same number, the rotating roller (9) is connected with a driving mechanism.

4. The coating machine of claim 1, wherein the tension of the film is adjusted by the controller. The torque of the motor (6) has a certain range limit.

5. The coating machine of claim 1, wherein the tension of the film is adjusted by the controller. One side of the feedback shaft (15) is provided with an auxiliary shaft (17).

6. The coating machine of claim 1, wherein the tension of the film is adjusted by the controller. The film piece (12) sequentially passes through the unwinding roller (1), the tensioning mechanism (4), the feedback mechanism (5) and the driving roller (2) in order.

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