Laminating and rewinding device for waterproof and breathable roll film

Abstract

The utility model discloses a laminating and rewinding device for a waterproof and breathable roll film. The laminating and rewinding device comprises a rack, a protective bottom film, a composite winding shaft and a protective bottom film unwinding shaft, wherein the protective bottom film, the composite winding shaft and the protective bottom film unwinding shaft are mounted on one side of the rack; a pneumatic laminating mechanism is arranged at one end of the top of the rack and is arranged above the composite winding shaft; a constant-tension unreeling mechanism is arranged on one side of the pneumatic laminating mechanism, a film unreeling shaft and a tension feedback mechanism are arranged on one side of the constant-tension unreeling mechanism, the film unreeling shaft and the tension feedback mechanism are arranged between the pneumatic laminating mechanism and the constant-tension unreeling mechanism, and a film coiled material is arranged on the outer side of the film unreeling shaft; an unwinding deviation rectifying mechanism is arranged on one side, far away from the pneumatic laminating mechanism, of the constant-tension unwinding mechanism; the film is unwound through the constant-tension unwinding mechanism and is attached to the viscous protective bottom film, so that the rewound film has certain hardness and strength and can be directly used as a raw material in the die cutting process, and the die cutting machinability of the soft film is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film roll rewinding, in particular to a laminating and rewinding device for waterproof and breathable film rolls. Background Art

[0002] Currently, waterproof, breathable, and sound-permeable components used in smart electronic products like mobile phones and headphones are often made from multiple layers of film material stacked and die-cut. However, because these films are often very soft and prone to stretching, deformation, and wrinkling, unwinding them directly from a reel and into the die-cutting process is difficult. Therefore, it became necessary to develop a device that could pre-laminate this soft film with a protective backing film and then rewind it, thereby improving the efficiency and quality of the subsequent die-cutting process. Utility Model Content

[0003] The purpose of the utility model is to provide a laminating and rewinding device for waterproof and breathable roll film, so as to solve the problems in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a laminating and rewinding device for waterproof and breathable roll film, comprising: a frame and a protective base film and protective film installed on one side of the frame, a composite rewinding shaft and a protective base film unwinding shaft;

[0005] A pneumatic laminating mechanism is provided at one end of the top of the frame, and the pneumatic laminating mechanism is provided above the composite winding shaft;

[0006] A constant tension unwinding mechanism is provided on one side of the pneumatic laminating mechanism, a film unwinding shaft and a tension feedback mechanism are provided on one side of the constant tension unwinding mechanism, the film unwinding shaft and the tension feedback mechanism are provided between the pneumatic laminating mechanism and the constant tension unwinding mechanism, and a film roll is provided on the outside of the film unwinding shaft;

[0007] The side of the constant tension unwinding mechanism away from the pneumatic laminating mechanism is provided with an unwinding deviation correction mechanism.

[0008] Preferably, the unwinding and correcting mechanism includes a correcting guide rail, and the constant tension unwinding mechanism is connected to the correcting guide rail. A correcting screw end fixing seat and a correcting screw head fixing seat are provided on one side of the correcting guide rail, and a correcting screw is provided between the correcting screw end fixing seat and the correcting screw head fixing seat.

[0009] Preferably, a correction handwheel is provided at the end of the correction screw, a correction screw nut is provided on the outside of the middle position of the correction screw, a correction connecting block is provided on the top of the correction screw nut, one end of the correction connecting block is connected to the constant tension unwinding mechanism, and the other end is provided with a fixing screw.

[0010] Preferably, the constant tension unwinding mechanism includes a mounting seat connected to the correction guide rail, an unwinding roller is provided at the center position of the mounting seat, one end of the unwinding roller is connected to a coupling, one end of the coupling is connected to an unwinding servo motor, and the other end of the unwinding roller is provided with an unwinding shaft chuck.

[0011] Preferably, the pneumatic laminating mechanism includes a fixed frame and an upper laminating roller and a lower laminating roller arranged on the inner side of the fixed frame, the upper laminating roller is arranged side by side directly above the lower laminating roller, and two cylinder slide modules are installed side by side on the top of the fixed frame.

[0012] Preferably, one end of the lower laminating roller is connected to a laminating servo motor.

[0013] Preferably, an automatic following mechanism is provided below the pneumatic fitting mechanism, and the bottom of the automatic following mechanism is connected with a following module guide rail. The automatic following mechanism includes a following screw nut, and a following screw passes through the inside of the following screw nut. A following connecting block is provided on one side of the following screw nut, and the following connecting block is fixedly mounted on the bottom of the pneumatic fitting mechanism.

[0014] Preferably, one end of the follower screw is provided with a follower screw end fixing seat, the other end of the follower screw is provided with a follower screw head end fixing seat, and the end of the follower screw close to the follower screw head end fixing seat is provided with a follower driven synchronous wheel.

[0015] Preferably, the automatic following mechanism further comprises a following servo motor, a shaft end of the following servo motor is connected to a following active synchronous wheel, and the following active synchronous wheel is connected to the outer side of the following driven synchronous wheel via a following synchronous belt.

[0016] Preferably, the tension feedback mechanism includes a tension detection roller seat, a plurality of tension detection rollers are arranged side by side on the inner side of the tension detection roller seat, a pressure sensor is arranged below the tension detection roller and on the inner side of the tension detection roller seat, and a laser sensor is arranged on one side of the tension detection roller seat.

[0017] Due to the application of the above technical solution, the beneficial effects of this application compared with the prior art are:

[0018] (1) The present application discloses a laminating and rewinding device for waterproof and breathable roll film, which unwinds the film through a constant tension unwinding mechanism and laminates it with an adhesive protective base film, and then rewinds it onto a reel. This ensures that the rewound film has a certain hardness and strength and can be directly used as a raw material in the die-cutting process, thereby greatly improving the die-cutting processability of the soft film.

[0019] (2) Constant tension control is achieved through a precise tension feedback mechanism, ensuring that the film maintains constant tension throughout the entire process, thus avoiding stretching deformation.

[0020] (3) The pneumatic lamination method allows for setting the lamination pressure to ensure close lamination between the film and the protective base film, thus improving the quality of the subsequent die-cutting process. The laser sensor continuously monitors the unwinding shaft diameter, allowing the tension feedback structure and the laminating mechanism to continuously approach the film unwinding shaft, thereby reducing the impact on the film unwinding and laminating, and realizing the automatic following function. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the specific embodiments or the description of the prior art.

[0022] Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0023] Attachment Figure 1 This is a schematic diagram of the three-dimensional structure of the laminating and rewinding device for waterproof and breathable roll film of the present invention;

[0024] Attachment Figure 2 This is a structural diagram of the correction mechanism and unwinding shaft of the laminating and rewinding device for waterproof and breathable roll film of the utility model;

[0025] Attachment Figure 3 This is a structural diagram of the pneumatic laminating mechanism, tension feedback mechanism and automatic following mechanism of the laminating and rewinding device for waterproof and breathable roll film of the utility model.

[0026] In the figure: 101, frame, 102, air pressure regulating valve, 103, protective bottom film, 104, composite reel, 105, protective bottom film unreel;

[0027] 200, unwinding and correcting mechanism, 201, correcting screw end fixing seat, 202, correcting screw, 203, correcting screw nut, 204, correcting screw head end fixing seat, 205, correcting handwheel, 206, fixing screw, 207, correcting connecting block, 208, correcting guide rail;

[0028] 300, constant tension unwinding mechanism, 301, unwinding servo motor, 302, coupling, 303, unwinding roller, 304, unwinding shaft chuck, 305, film coil, 351, pressure sensor, 352, tension detection roller seat, 353, tension detection roller;

[0029] 400, pneumatic laminating mechanism, 401, lower laminating roller, 402, upper laminating roller, 403, cylinder slide module, 404, laminating servo motor;

[0030] 500. Automatic following mechanism, 501. Following screw end fixing seat, 502. Following screw, 503. Following connecting block, 504. Following screw nut, 505. Following module guide rail slider, 506. Following servo motor, 507. Following active synchronous wheel, 508. Following synchronous belt, 509. Following module guide rail, 510. Following driven synchronous wheel, 511. Following screw head end fixing seat, 512. Laser sensor. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0033] In this application, terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "center," "vertical," "horizontal," "transverse," and "longitudinal" indicate positions or locations based on the positions or locations shown in the accompanying drawings. These terms are primarily intended to better describe the present invention and its embodiments and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed or operated in a specific orientation.

[0034] Furthermore, some of the above terms may be used to express other meanings besides indicating a position or location. For example, the term "on" may also be used to indicate a dependency or connection in certain circumstances. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0035] Furthermore, the terms "installed," "disposed," "provided with," "connected," "connected," and "socketed" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integral structures; mechanical connections or electrical connections; direct connections, indirect connections through an intermediary, or internal communication between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0036] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0037] Example 1

[0038] Attachment Figure 1-3 The utility model is a laminating and rewinding device for waterproof and breathable roll film, comprising: a frame 101, a protective base film 103, a composite reel 104, and a protective base film unreel 105 mounted on one side of the frame 101; a pneumatic laminating mechanism 400 is provided at one end of the top of the frame 101, and the pneumatic laminating mechanism 400 is disposed above the composite reel 104;

[0039] A constant tension unwinding mechanism 300 is provided on one side of the pneumatic laminating mechanism 400, and a film unwinding shaft and a tension feedback mechanism are provided on one side of the constant tension unwinding mechanism 300. The film unwinding shaft and the tension feedback mechanism are provided between the pneumatic laminating mechanism 400 and the constant tension unwinding mechanism 300, and a film coil 305 is provided on the outer side of the film unwinding shaft;

[0040] An unwinding deviation correction mechanism 200 is provided on the side of the constant tension unwinding mechanism 300 away from the pneumatic laminating mechanism 400 .

[0041] According to an embodiment of the utility model, the unwinding and correcting mechanism 200 includes a correcting guide rail 208, and the constant tension unwinding mechanism 300 is cooperatively connected to the correcting guide rail 208. A correcting screw end fixing seat 201 and a correcting screw head end fixing seat 204 are provided on one side of the correcting guide rail 208, and a correcting screw 202 is provided between the correcting screw end fixing seat 201 and the correcting screw head end fixing seat 204.

[0042] It should be noted that the unwinding correction mechanism 200 is used to adjust the displacement of the unwinding shaft in the axial direction to ensure that the film and the protective base film are aligned.

[0043] According to an embodiment of the present utility model, a correcting handwheel 205 is provided at the end of the correcting screw 202, a correcting screw nut 203 is provided on the outside of the middle position of the correcting screw 202, and a correcting connecting block 207 is provided on the top of the correcting screw nut 203. One end of the correcting connecting block 207 is connected to the constant tension unwinding mechanism 300, and the other end is provided with a fixing screw 206.

[0044] According to an embodiment of the utility model, the constant tension unwinding mechanism 300 includes a mounting seat connected to the correction guide rail 208, an unwinding roller 303 is provided through the center position of the mounting seat, one end of the unwinding roller 303 is connected to a coupling 302, one end of the coupling 302 is connected to an unwinding servo motor 301, and the other end of the unwinding roller 303 is provided with an unwinding shaft chuck 304.

[0045] According to an embodiment of the present invention, the pneumatic laminating mechanism 400 includes a fixed frame and an upper laminating roller 402 and a lower laminating roller 401 arranged on the inner side of the fixed frame. The upper laminating roller 402 is arranged side by side directly above the lower laminating roller 401, and two cylinder slide modules 403 are installed side by side on the top of the fixed frame.

[0046] According to the embodiment of the present invention, one end of the lower laminating roller 401 is connected to a laminating servo motor 404 .

[0047] According to an embodiment of the present utility model, an automatic following mechanism 500 is arranged below the pneumatic fitting mechanism 400, and a following module guide rail 509 is connected to the bottom of the automatic following mechanism 500, and a following module guide rail slider 505 is arranged on the following module guide rail 509. The automatic following mechanism 500 includes a following screw nut 504, and a following screw 502 passes through the inside of the following screw nut 504. A following connecting block 503 is arranged on one side of the following screw nut 504, and the following connecting block 503 is fixedly installed at the bottom of the pneumatic fitting mechanism 400.

[0048] It should be noted that the pneumatic bonding mechanism 400 includes a pair of bonding roller groups, namely a lower bonding roller and an upper bonding roller. The lower bonding roller is an active roller and the upper bonding roller is a driven roller. The up and down movement can be controlled by a double-cylinder module. The lower bonding roller is driven by a servo motor with an adjustable speed, which determines the bonding speed of the entire machine. After the upper bonding roller falls, it can press the film with a set pressure to ensure a close fit between the film and the protective base film.

[0049] According to an embodiment of the present invention, a following screw end fixing seat 501 is provided at one end of the following screw 502, a following screw head fixing seat 511 is provided at the other end of the following screw 502, and a following driven synchronous wheel 510 is provided at the end of the following screw 502 close to the following screw head fixing seat 511.

[0050] According to an embodiment of the present invention, the automatic following mechanism 500 further includes a following servo motor 506 , the shaft end of which is connected to a following active synchronous wheel 507 , and the following active synchronous wheel 507 is connected to the outer side of the following driven synchronous wheel 510 via a following synchronous belt 508 .

[0051] It should be noted that the automatic following mechanism 500 is used to control the movement of the dynamic tension feedback mechanism and the bonding mechanism in the feeding direction. When the film is continuously unwound, its radius becomes smaller and smaller. In order to ensure the constant tension of the film, when the radius is reduced to the response of the starting laser sensor 512, the automatic following mechanism 500 drives the above two mechanisms to approach the film unwinding shaft through the transmission screw.

[0052] According to an embodiment of the present utility model, the tension feedback mechanism includes a tension detection roller seat 352, a plurality of tension detection rollers 353 are arranged in parallel on the inner side of the tension detection roller seat 352, a pressure sensor 351 is arranged below the tension detection roller 353 and on the inner side of the tension detection roller seat 352, and a laser sensor 512 is arranged on one side of the tension detection roller seat 352.

[0053] It should be noted that the tension feedback mechanism detects the tension of the film through a sensor and adjusts the unwinding speed in real time to achieve constant tension control. Through the precise tension feedback mechanism, constant tension control is achieved, ensuring that the film maintains constant tension throughout the process and avoiding stretching deformation.

[0054] According to an embodiment of the present invention, an air pressure regulating valve 102 is provided on one side of the frame 101 .

[0055] It should be noted that the pneumatic lamination method allows for adjustable lamination pressure, ensuring a tight fit between the film and the protective backing film, improving the quality of subsequent die-cutting processes. Laser sensor 512 continuously monitors the unwinding shaft diameter, allowing the tension feedback structure and laminating mechanism to continuously approach the film unwinding shaft, minimizing any impact on film unwinding and lamination, thus achieving an automatic tracking function.

[0056] To sum up, the present application is a laminating and rewinding device for waterproof and breathable roll film, which unwinds the film through a constant tension unwinding mechanism 300, and laminates it with an adhesive protective base film, and then rewinds it onto a reel, so that the rewound film has a certain hardness and strength, and can be directly used as raw material in the die-cutting process, greatly improving the die-cutting processability of the soft film.

[0057] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A laminating and rewinding device for waterproof and breathable film rolls, comprising: The frame and the protective bottom film, protective film, composite winding shaft and protective bottom film unwinding shaft installed on one side of the frame are characterized in that: A pneumatic laminating mechanism is provided at one end of the top of the frame, and the pneumatic laminating mechanism is provided above the composite winding shaft; A constant tension unwinding mechanism is provided on one side of the pneumatic laminating mechanism, a film unwinding shaft and a tension feedback mechanism are provided on one side of the constant tension unwinding mechanism, the film unwinding shaft and the tension feedback mechanism are provided between the pneumatic laminating mechanism and the constant tension unwinding mechanism, and a film roll is provided on the outside of the film unwinding shaft; The constant tension unwinding mechanism is provided with an unwinding correction mechanism on the side away from the pneumatic laminating mechanism; The unwinding and correcting mechanism includes a correcting guide rail, the constant tension unwinding mechanism is cooperatively connected to the correcting guide rail, a correcting screw end fixing seat and a correcting screw head fixing seat are provided on one side of the correcting guide rail, and a correcting screw is provided between the correcting screw end fixing seat and the correcting screw head fixing seat; A correcting handwheel is provided at the end of the correcting screw, a correcting screw nut is provided on the outside of the middle position of the correcting screw, a correcting connecting block is provided on the top of the correcting screw nut, one end of the correcting connecting block is connected to the constant tension unwinding mechanism, and the other end is provided with a fixing screw; The constant tension unwinding mechanism includes a mounting seat connected to the deviation correction guide rail, an unwinding roller is provided at the center of the mounting seat, one end of the unwinding roller is connected to a coupling, one end of the coupling is connected to an unwinding servo motor, and the other end of the unwinding roller is provided with an unwinding shaft chuck; An automatic following mechanism is provided below the pneumatic fitting mechanism, and a following module guide rail is cooperatively connected to the bottom of the automatic following mechanism. The automatic following mechanism includes a following screw nut, a following screw passing through the inside of the following screw nut, and a following connection block is provided on one side of the following screw nut, and the following connection block is fixedly mounted on the bottom of the pneumatic fitting mechanism; One end of the following screw rod is provided with a following screw rod end fixing seat, the other end of the following screw rod is provided with a following screw rod head end fixing seat, and the end of the following screw rod close to the following screw rod head end fixing seat is provided with a following driven synchronous wheel; The automatic following mechanism further comprises a following servo motor, a shaft end of the following servo motor is connected to a following active synchronous wheel, and the following active synchronous wheel is connected to the outer side of the following driven synchronous wheel via a following synchronous belt.

2. A laminating and rewinding device for waterproof and breathable roll film according to claim 1, characterized in that: The pneumatic laminating mechanism includes a fixed frame and an upper laminating roller and a lower laminating roller arranged on the inner side of the fixed frame. The upper laminating roller is arranged side by side directly above the lower laminating roller, and two cylinder slide modules are installed side by side on the top of the fixed frame.

3. A laminating and rewinding device for waterproof and breathable roll film according to claim 2, characterized in that: One end of the lower laminating roller is connected to a laminating servo motor.

4. The laminating and rewinding device for waterproof and breathable film roll according to claim 1, characterized in that: The tension feedback mechanism includes a tension detection roller seat, a plurality of tension detection rollers are arranged in parallel on the inner side of the tension detection roller seat, a pressure sensor is arranged below the tension detection roller and on the inner side of the tension detection roller seat, and a laser sensor is arranged on one side of the tension detection roller seat.

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