Cellulose film drying and stretching device

Abstract

The utility model relates to the technical field of cellulose film drying and stretching, in particular to a cellulose film drying and stretching device which comprises a first conveying mechanism, a second conveying mechanism, a stretching mechanism and a stretching box, the stretching mechanism comprises a servo motor, a rotating disc and two stretching units, and the two stretching units are both fixedly connected with the rotating disc. The rotating disc is fixedly connected with the output end of the servo motor, the servo motor is fixedly connected with the stretching box, and the rotating disc can be driven by the servo motor to adjust self steering, so that the stretching unit is driven to conduct stretching work in different directions, the self stretching angle is changed on the premise that the film stretching direction is not changed, and the stretching efficiency is improved. By means of the design, the problems that in the stretching process, the film needs to be transferred for multiple times, stretching can be completed, the stretching efficiency is low, and the final stretching quality of products is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of drying and stretching of cellulose films, in particular to a drying and stretching device for cellulose films. Background Art

[0002] The traditional method for preparing cellulose films is the solution method. In practice, drying methods such as long-term room-temperature drying, oven drying, vacuum heating drying, hot pressing drying, freeze drying, and supercritical drying in a constant temperature and humidity environment are usually used to obtain films with high porosity and stable dimensions. However, these drying methods require a large amount of time and production resources.

[0003] In the prior art, the patent (CN212021385U) proposed a drying and stretching device for cellulose films, including a microwave drying chamber, an infrared heater, a hot air heater, a first transfer mechanism, and a second transfer mechanism sequentially arranged at the upper part of the drying and stretching device, and an input mechanism, a transverse stretching mechanism, and an output mechanism sequentially arranged at the lower part of the drying and stretching device; the hot air heater is located above the input mechanism, the first transfer mechanism includes a first guide rail and a first transfer unit, the transverse stretching mechanism includes at least two transverse stretching clamps and at least two bottom guide rails, the microwave drying chamber is located between the two bottom guide rails, the second transfer mechanism includes a second guide rail, at least two longitudinal stretching clamps, and at least two second transfer units, and the infrared heater is located above the second transfer mechanism. This utility model can not only quickly dry cellulose films but also stretch and orient cellulose films to obtain high-performance cellulose films.

[0004] However, in the above prior art, the film needs to be transferred multiple times during the stretching process to complete stretching, resulting in low stretching efficiency and affecting the final stretching quality of the product. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a drying and stretching device for cellulose films, which solves the problem that in the prior art, the film needs to be transferred multiple times during the stretching process to complete stretching, resulting in low stretching efficiency and affecting the final stretching quality of the product.

[0006] To achieve the above purpose, the utility model provides a drying and stretching device for cellulose films, including a first conveyor mechanism, a second conveyor mechanism, a stretching mechanism, and a stretching box. The second conveyor mechanism is fixedly connected to the stretching box and is located at one end of the stretching box. The first conveyor mechanism is fixedly connected to the stretching box and is located at the other end of the stretching box. The stretching mechanism includes a servo motor, a turntable, and two stretching units. Both stretching units are fixedly connected to the turntable and are located above the turntable. The turntable is fixedly connected to the output end of the servo motor. The servo motor is fixedly connected to the stretching box and is located inside the stretching box.

[0007] Among them, the first conveying mechanism includes a first support platform and a first fully automatic conveyor belt. The first fully automatic conveyor belt is rotatably connected to the first support platform and is located above the first support platform. The first support platform is fixedly connected to the stretching box and is located at one end of the stretching box.

[0008] Among them, the second conveying mechanism includes a second support platform and a second fully automatic conveyor belt. The second fully automatic conveyor belt is rotatably connected to the second support platform and is located above the second support platform. The second fully automatic conveyor belt is fixedly connected to the stretching box and is located at one end of the stretching box.

[0009] Among them, the stretching box includes a box body, two guide rails, a vacuum suction attachment, and a workbench. The workbench is fixedly connected to the box body and is located inside the box body. Both sides of the vacuum suction attachment are slidably connected to the corresponding guide rails and are respectively located on one side of the corresponding guide rails. Both of the two guide rails are fixedly connected to the box body and are located on the inner wall of the box body.

[0010] Among them, the cellulose film drying and stretching device further includes a temperature control box, an installation box, and multiple heating tubes. Each heating tube is fixedly connected to the installation box and is located on the inner wall of the installation box. The installation box is fixedly connected to the temperature control box and is located below the temperature control box. The temperature control box is fixedly connected to the box body and is located above the box body.

[0011] In a cellulose film drying and stretching device of the present utility model, the currently provided turntable can adjust its own rotation direction under the drive of the servo motor, thereby driving the stretching unit to perform stretching work in different orientations. Without changing the stretching direction of the film, the stretching angle of itself is changed to achieve all-round stretching of the film. This design solves the problem that the film needs to be transferred multiple times during the stretching process to complete stretching, resulting in low stretching efficiency and affecting the final stretching quality of the product. The temperature control box controls the temperature of each heating tube in the installation box, adjusts the temperature according to specific production requirements, and can achieve the function of manually adjusting the temperature. The length of each heating tube is the same as the length of the installation box, and can cover the upper top wall of the box body to increase the heating area of the film. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.

[0013] Figure 1 It is a schematic structural diagram of the whole of the first embodiment of the present utility model.

[0014] Figure 2 It is the left view of the first embodiment of the present utility model.

[0015] Figure 3 It is of the present utility model Figure 2 Cross-sectional view taken along line A-A.

[0016] Figure 4 It is of the present utility model Figure 2 Cross-sectional view taken along line B-B.

[0017] Figure 5 It is the front view of the second embodiment of the present utility model.

[0018] Figure 6 It is of the present utility model Figure 5 Cross-sectional view taken along line C-C.

[0019] 101 - First conveying mechanism, 102 - Second conveying mechanism, 103 - Stretching mechanism, 104 - Stretching box, 105 - Servo motor, 106 - Turntable, 107 - Stretching unit, 108 - First support platform, 109 - First fully automatic conveyor belt, 110 - Second support platform, 111 - Second fully automatic conveyor belt, 112 - Box body, 113 - Guide rail, 114 - Vacuum suction attachment, 115 - Workbench, 201 - Temperature control box, 202 - Installation box, 203 - Heating pipe. Detailed implementation manners

[0020] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0021] The first embodiment of the present application is as follows:

[0022] Please refer to Figures 1-4 , in which Figure 1 is the overall structural schematic diagram of the first embodiment of the present utility model, Figure 2 is the left view of the first embodiment of the present utility model, Figure 3 is of the present utility model Figure 2 Cross-sectional view taken along line A-A, Figure 4 is of the present utility model Figure 2 Cross-sectional view taken along line B-B.

[0023] The utility model provides a cellulose film drying and stretching device, which comprises a first conveying mechanism 101, a second conveying mechanism 102, a stretching mechanism 103 and a stretching box 104. The stretching mechanism 103 comprises a servo motor 105, a turntable 106 and two stretching units 107. The first conveying mechanism 101 comprises a first support platform 108 and a first full-automatic conveyor belt 109. The second conveying mechanism 102 comprises a second support platform 110 and a second full-automatic conveyor belt 111. The stretching box 104 comprises a box body 112, two guide rails 113, a vacuum suction attachment 114 and a workbench 115.

[0024] For this specific embodiment, the second conveying mechanism 102 is fixedly connected to the stretching box 104, the first conveying mechanism 101 is fixedly connected to the stretching box 104, both of the two stretching units 107 are fixedly connected to the turntable 106, the turntable 106 is fixedly connected to the output end of the servo motor 105, the servo motor 105 is fixedly connected to the stretching box 104, the first full-automatic conveyor belt 109 is rotatably connected to the first support platform 108, the first support platform 108 is fixedly connected to the stretching box 104, the second full-automatic conveyor belt 111 is rotatably connected to the second support platform 110, the second full-automatic conveyor belt 111 is fixedly connected to the stretching box 104, the workbench 115 is fixedly connected to the box body 112, both sides of the vacuum suction attachment 114 are respectively slidably connected to the corresponding guide rails 113, and both of the two guide rails 113 are fixedly connected to the box body 112. The currently provided turntable 106 can adjust its own rotation direction under the drive of the servo motor 105, thereby driving the stretching unit 107 to perform stretching work in different positions, changing its own stretching angle without changing the stretching direction of the film, and realizing the all-round stretching of the film. This design solves the problem that the film needs to be transferred multiple times during the stretching process to complete the stretching, resulting in low stretching efficiency and affecting the final stretching quality of the product.

[0025] Among them, the second conveyor mechanism 102 is located at one end of the stretching box 104, the first conveyor mechanism 101 is located at the other end of the stretching box 104, both stretching units 107 are located above the turntable 106, and the servo motor 105 is located inside the stretching box 104. After the film is transported from the first fully automatic conveyor belt 109 to the workbench 115, the vacuum suction attachment 114 adsorbs the film and transfers it above the turntable 106. Then, both stretching units 107 are activated to stretch the film in two directions. After the stretching is completed, the vacuum suction attachment 114 adsorbs the film, and the turntable 106 rotates 90° driven by the servo motor 105. Then the film is placed on the turntable 106 to be stretched in the other two directions. Finally, the vacuum suction attachment 114 adsorbs the film and transfers it to the second fully automatic conveyor belt 111 for transfer.

[0026] Secondly, the first fully automatic conveyor belt 109 is located above the first support platform 108, the first support platform 108 is located at one end of the stretching box 104, the second fully automatic conveyor belt 111 is located above the second fully automatic conveyor belt 111, and the second fully automatic conveyor belt 111 is located at one end of the stretching box 104. Both the first fully automatic conveyor belt 109 and the second fully automatic conveyor belt 111 are equipped with automatically operating conveyor motors to drive the corresponding belts to operate.

[0027] At the same time, the workbench 115 is located inside the box body 112. Both sides of the vacuum suction attachment 114 are respectively located on one side of the corresponding guide rails 113. Both guide rails 113 are located on the inner wall of the box body 112. The workbench 115 is composed of four vertical rods and a fixed flat plate. There is a round hole in the middle of the flat plate, which is just adapted to the size of the turntable 106, so that the turntable 106 can freely rotate inside the flat plate. The vacuum suction attachment 114 includes a sliding unit and a vacuum suction cup. The sliding unit slides in the box body 112 relying on the two guide rails 113. The vacuum suction cup can adsorb the film, transfer the film from below the first fully automatic conveyor belt 109 to the turntable 106 for processing and stretching, and then adsorb the film again after the stretching is completed and transfer it above the second fully automatic conveyor belt 111 for transfer.

[0028] In this embodiment, the currently provided turntable 106 can adjust its own rotation direction under the drive of the servo motor 105, thereby driving the stretching unit 107 to perform stretching work in different directions. Without changing the stretching direction of the film, the stretching angle of itself is changed to achieve the all-round stretching of the film. This design solves the problem that the film needs to be transferred multiple times during the stretching process to complete the stretching, resulting in low stretching efficiency and affecting the final stretching quality of the product. After the film is transported from the first fully automatic conveyor belt 109 to the workbench 115, the vacuum adsorbing member 114 adsorbs the film and transfers it above the turntable 106. The two stretching units 107 are activated to stretch the film in two of the directions. After the stretching is completed, the vacuum adsorbing member 114 adsorbs the film, and the turntable 106 rotates 90° under the drive of the servo motor 105. Then the film is placed on the turntable 106 to stretch the film in the other two directions. Finally, the vacuum adsorbing member 114 adsorbs the film and transfers it to the second fully automatic conveyor belt 111 for transfer. Both the first fully automatic conveyor belt 109 and the second fully automatic conveyor belt 111 are equipped with automatically operating conveyor motors to drive the corresponding belts to operate. The workbench 115 is composed of four vertical rods and a fixed flat plate. There is a round hole in the middle of the flat plate, which just fits the size of the turntable 106, so that the turntable 106 can freely rotate inside the flat plate. The vacuum adsorbing member 114 includes a sliding unit and a vacuum suction cup. The sliding unit slides in the box body 112 relying on the two guide rails 113. The vacuum suction cup can adsorb the film, transfer the film from below the first fully automatic conveyor belt 109 to the turntable 106 for processing and stretching, and adsorb the film again after the stretching is completed and transfer it above the second fully automatic conveyor belt 111 for transfer.

[0029] The second embodiment of the present application is as follows:

[0030] On the basis of the first embodiment, please refer to Figures 5-6 , where Figure 5 is the front view of the second embodiment of the present utility model, Figure 6 is the Figure 5 C-C line cross-sectional view of the present utility model.

[0031] The present utility model provides a cellulose film drying and stretching device, which further includes a temperature control box 201, an installation box 202 and a plurality of heating tubes 203.

[0032] For this specific embodiment, each of the heating tubes 203 is fixedly connected to the mounting box 202 and is located on the inner wall of the mounting box 202. The mounting box 202 is fixedly connected to the temperature control box 201 and is located below the temperature control box 201. The temperature control box 201 is fixedly connected to the box body 112 and is located above the box body 112. The temperature control box 201 controls the temperature of each heating tube 203 in the mounting box 202, adjusts the temperature according to the specific production requirements, and can achieve the function of artificially adjusting the air temperature. The length of each heating tube 203 is the same as the length of the mounting box 202, and can cover the upper top wall of the box body 112, increasing the heating area of the film.

[0033] In this embodiment, the temperature control box 201 controls the temperature of each heating tube 203 in the mounting box 202, adjusts the temperature according to the specific production requirements, and can achieve the function of artificially adjusting the air temperature. The length of each heating tube 203 is the same as the length of the mounting box 202, and can cover the upper top wall of the box body 112, increasing the heating area of the film.

[0034] The above-disclosed are only one or more preferred embodiments of the present application, and the scope of rights of the present application cannot be limited thereby. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A cellulose film drying and stretching device, comprising a first conveying mechanism, a second conveying mechanism and a stretching box, wherein the second conveying mechanism is fixedly connected to the stretching box and is located at one end of the stretching box, and the first conveying mechanism is fixedly connected to the stretching box and is located at the other end of the stretching box, characterized in that: It also includes a stretching mechanism, which includes a servo motor, a turntable and two stretching units. The two stretching units are fixedly connected to the turntable and are located above the turntable. The turntable is fixedly connected to the output end of the servo motor. The servo motor is fixedly connected to the stretching box and is located on the inner side of the stretching box.

2. The cellulose film drying and stretching device according to claim 1, characterized in that: The first conveying mechanism includes a first support platform and a first fully automatic conveyor belt, the first fully automatic conveyor belt is rotatably connected to the first support platform and is located above the first support platform, and the first support platform is fixedly connected to the stretching box and is located at one end of the stretching box.

3. The cellulose film drying and stretching device according to claim 2, characterized in that: The second conveying mechanism includes a second supporting platform and a second fully-automatic conveyor belt, the second fully-automatic conveyor belt is rotatably connected to the second supporting platform and is located above the second fully-automatic conveyor belt, and the second fully-automatic conveyor belt is fixedly connected to the stretching box and is located at one end of the stretching box.

4. The cellulose film drying and stretching device according to claim 3, characterized in that: The stretching box includes a box body, two guide rails, a vacuum adsorption component and a workbench. The workbench is fixedly connected to the box body and is located on the inner side of the box body. Both sides of the vacuum adsorption component are slidably connected to the corresponding guide rails and are respectively located on one side of the corresponding guide rails. Both guide rails are fixedly connected to the box body and are located on the inner wall of the box body.

5. The cellulose film drying and stretching device according to claim 4, characterized in that: The cellulose film drying and stretching device also includes a temperature control box, a mounting box and a plurality of heating tubes, each of which is fixedly connected to the mounting box and is located at the mounting box. The installation box is fixedly connected to the temperature control box and is located below the temperature control box. The temperature control box is fixedly connected to the box body and is located above the box body.

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