Novel film stretcher

Abstract

The utility model relates to a novel film stretching machine which comprises a rack, the rack is divided into an upper layer and a lower layer in the vertical direction, a discharging roller is arranged on the upper layer, a collecting roller is arranged on the lower layer, a plurality of transmission rollers are arranged on one side of the discharging roller, a pressing roller is arranged on one side of the collecting roller, the two ends of the collecting roller are connected with roller connecting blocks, and the roller connecting blocks are connected with air cylinders. The air cylinder drives the roller connecting block and the material collecting roller to ascend and descend, a containing groove is formed in the position, corresponding to the air cylinder, of the rack, the air cylinder is arranged at the top of the containing groove, and the roller connecting block moves in the containing groove, so that the relative position between the material collecting roller and the pressing roller is adjusted, and the tension of a film is adjusted. Meanwhile, the tension sensor is connected with the controller, the controller is electrically connected with the air cylinder, the tension is detected through the tension sensor, and when the tension deviates, the controller controls the air cylinder to adjust the relative position between the material collecting roller and the pressing roller. And the film is prevented from wrinkling.

Description

Technical Field

[0001] The utility model relates to the technical field of film processing, in particular to a novel film stretching machine. Background Art

[0002] At present, most films are formed by stretching with a stretching machine. A thick film is wound around two stretching rollers with different rotation speeds. The rotation speed of the rear stretching roller is higher than that of the front stretching roller. By using the rotation speed difference between the two stretching rollers, the thick film is stretched into a thin film. In the prior art, numerous film stretching machines have emerged.

[0003] During the stretching process, it is necessary to control the tension of the winding roller to ensure the stable tension of the film during winding and avoid the problem of wrinkles. Therefore, this application is proposed. Summary of the Invention

[0004] The purpose of the utility model is to provide a novel film stretching machine to solve the above technical problems.

[0005] To achieve the above purpose, the utility model provides the following technical solutions.

[0006] A novel film stretching machine, characterized in that it includes a frame. The frame is divided into upper and lower layers in the vertical direction. A feeding roller is arranged on the upper layer, and a winding roller is arranged on the lower layer. Several driving rollers are arranged on one side of the feeding roller, and a pressing roller is arranged on one side of the winding roller. Both ends of the winding roller are connected with roller connection blocks, and the roller connection blocks are connected with cylinders. The cylinders drive the roller connection blocks and the winding roller to move up and down. The frame is provided with a placement groove corresponding to the cylinders. The cylinders are arranged on the top of the placement groove. The roller connection blocks move in the placement groove, so as to adjust the relative position between the winding roller and the pressing roller, thereby adjusting the tension of the film. A tension sensor is arranged on the winding roller to detect the tension. At the same time, the tension sensor is connected with a controller, and the controller is electrically connected with the cylinders. By detecting the tension with the tension sensor, when the tension deviates, the controller controls the cylinders to adjust the relative position between the winding roller and the pressing roller.

[0007] The utility model is further arranged that the driving rollers include a first driving roller, a second driving roller, a third driving roller and a fourth driving roller. The first driving roller is arranged close to the feeding roller. The second driving roller is located on one side of the first driving roller. The third driving roller and the fourth driving roller are located in the lower space of the first driving roller and the second driving roller. The third driving roller is arranged close to the feeding roller, and the fourth driving roller is arranged far from the feeding roller. The fourth driving roller is connected to the pressing roller.

[0008] The present utility model is further configured such that the frame includes upper side plates, lower side plates, and a partition plate. The upper side plates are disposed opposite to each other, the lower side plates are disposed opposite to each other, and the partition plate is connected to the upper side plates and the lower side plates.

[0009] The present utility model is further configured such that mounting blocks are provided at both ends of the material feeding roller. A roller mounting groove is formed on the mounting block. A notch is formed at a position corresponding to the roller mounting groove on the frame for both ends of the material feeding roller to pass through. A bolt hole is formed on the mounting block, and a connection hole is correspondingly provided on the frame. The bolt hole corresponds to the connection hole for fixing the mounting block. There are multiple groups of bolt holes and connection holes. When the mounting blocks are at different heights, the height of the material feeding roller is different.

[0010] The present utility model is further configured such that a rotational speed sensor is provided on the material winding roller for detecting the rotational speed of the winding roller. The rotational speed sensor is connected to a controller. The controller receives the real-time data of the rotational speed sensor and cooperates with the motor for rotational speed control.

[0011] The beneficial effects of the present utility model: In the present utility model, by providing a cylinder and a tension sensor capable of adjusting the height of the material winding roller, the tension of the material winding roller during the stretching process is realized, its stability is maintained, and the problem of wrinkles is avoided. Description of the Drawings

[0012] The drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

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

[0014] Figure 2 It is an exploded schematic diagram of an embodiment of the present utility model.

[0015] Reference Numerals

[0016] 10. Frame; 101. Upper Side Plate; 102. Lower Side Plate; 103. Partition Plate; 20. Material Feeding Roller; 201. Mounting Block; 202. Roller Mounting Groove; 30. Material Winding Roller; 40. Driving Roller; 401. First Driving Roller; 402. Second Driving Roller; 403. Third Driving Roller; 404. Fourth Driving Roller; 50. Pressing Roller; 60. Roller Connection Block; 70. Placement Groove; Detailed Embodiments

[0017] The following will detail the embodiments of the present application in conjunction with the drawings and embodiments, so as to fully understand the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects and implement accordingly.

[0018] As Figure 1-2 shown, the utility model is a new type of film stretching machine, including a frame 10. The frame 10 is divided into upper and lower layers in the vertical direction. A material feeding roller 20 is arranged on the upper layer, and a material receiving roller 30 is arranged on the lower layer. A plurality of driving rollers 40 are arranged on one side of the material feeding roller 20, and a pressing roller 50 is arranged on one side of the material receiving roller 30. Both ends of the material receiving roller 30 are connected with roller connection blocks 60, and the roller connection blocks 60 are connected with cylinders. The cylinders drive the roller connection blocks 60 and the material receiving roller 30 to move up and down. An installation groove 70 is arranged at the position of the frame 10 corresponding to the cylinders. The cylinders are arranged at the top of the installation groove 70, and the roller connection blocks 60 move in the installation groove 70, so as to adjust the relative position between the material receiving roller 30 and the pressing roller 50, thereby adjusting the tension of the film. A tension sensor is arranged on the material receiving roller 30 to detect the tension. At the same time, the tension sensor is connected with a controller, and the controller is electrically connected with the cylinders. The tension is detected by the tension sensor. When the tension deviates, the controller controls the cylinders to adjust the relative position between the material receiving roller 30 and the pressing roller 50.

[0019] The utility model is further provided that the driving rollers 40 include a first driving roller 40140, a second driving roller 40240, a third driving roller 40340 and a fourth driving roller 40440. The first driving roller 40140 is arranged close to the material feeding roller 20. The second driving roller 40240 is located on one side of the first driving roller 40140. The third driving roller 40340 and the fourth driving roller 40440 are located in the space below the first driving roller 40140 and the second driving roller 40240. The third driving roller 40340 is arranged close to the material feeding roller 20, and the fourth driving roller 40440 is arranged far away from the material feeding roller 20. The fourth driving roller 40440 is connected with the pressing roller 50.

[0020] The utility model is further provided that the frame 10 includes upper side plates 101, lower side plates 102 and a partition plate 103. The upper side plates 101 are arranged oppositely, the lower side plates 102 are arranged oppositely, and the partition plate 103 is connected with the upper side plates 101 and the lower side plates 102.

[0021] The utility model is further provided that both ends of the material feeding roller 20 are provided with mounting blocks 201. Roller mounting grooves 202 are formed on the mounting blocks 201. The frame 10 forms notches at positions corresponding to the roller mounting grooves 202 for both ends of the material feeding roller 20 to pass through. Bolt holes are formed on the mounting blocks 201, and corresponding connection holes are arranged on the frame 10. The bolt holes correspond to the connection holes for fixing the mounting blocks 201. There are multiple groups of bolt holes and connection holes. When the mounting blocks 201 are at different heights, the height of the material feeding roller 20 is different.

[0022] The present utility model is further configured such that a rotational speed sensor is provided on the material receiving roller 30 for detecting the rotational speed of the winding roller. The rotational speed sensor is connected to a controller, and the controller receives the real-time data of the rotational speed sensor and cooperates with the motor to perform rotational speed control.

[0023] In the present utility model, by providing a cylinder capable of adjusting the height of the material receiving roller 30 and a tension sensor, the tension of the material receiving roller 30 during the stretching process is achieved, and its stability is maintained, avoiding the problem of wrinkles.

[0024] As used in the specification and claims, certain terms are used to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in names as a way to distinguish components, but rather use the difference in functions of components as the criterion for distinction. As mentioned throughout the specification and claims, "comprising" is an open-ended term and should be interpreted as "including but not limited to". "Substantially" means within an acceptable error range. Those skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect.

[0025] It should be noted that the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a commodity or system including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such commodity or system. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of another identical element in the commodity or system including the said element.

[0026] The above description shows and describes several preferred embodiments of the present utility model. However, as mentioned above, it should be understood that the present utility model is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be within the scope of the inventive concept described herein, and can be modified by the above teachings or the techniques or knowledge in related fields. And the modifications and changes made by those skilled in the art without departing from the spirit and scope of the present utility model should all be within the protection scope of the appended claims of the present utility model.

Claims

1. A new type of film stretching machine, characterized in that It includes a frame which is divided into upper and lower layers in the vertical direction. A material feeding roller is arranged on the upper layer, and a material receiving roller is arranged on the lower layer. A number of driving rollers are arranged on one side of the material feeding roller, and a pressing roller is arranged on one side of the material receiving roller. Both ends of the material receiving roller are connected with roller connecting blocks, and the roller connecting blocks are connected with cylinders. The cylinders drive the roller connecting blocks and the material receiving roller to move up and down. An installation groove is arranged at the position of the frame corresponding to the cylinders, and the cylinders are arranged on the top of the installation groove. The roller connecting blocks move within the installation groove, so as to adjust the relative position between the material receiving roller and the pressing roller and thus adjust the tension of the film. A tension sensor is arranged on the material receiving roller to detect the tension. At the same time, the tension sensor is connected with a controller, and the controller is electrically connected with the cylinders. The tension is detected by the tension sensor. When the tension deviates, the controller controls the cylinders to adjust the relative position between the material receiving roller and the pressing roller.

2. A novel film stretching machine according to claim 1, characterized in that, The driving rollers include a first driving roller, a second driving roller, a third driving roller and a fourth driving roller. The first driving roller is arranged close to the material feeding roller. The second driving roller is located on one side of the first driving roller. The third driving roller and the fourth driving roller are located in the space below the first driving roller and the second driving roller. The third driving roller is arranged close to the material feeding roller, and the fourth driving roller is arranged far from the material feeding roller. The fourth driving roller is connected to the pressing roller.

3. A novel film stretching machine according to claim 1, characterized in that, The frame includes upper side plates, lower side plates and a partition plate. The upper side plates are arranged opposite to each other, the lower side plates are arranged opposite to each other, and the partition plate is connected with the upper side plates and the lower side plates.

4. A novel film stretching machine according to claim 1, characterized in that, Both ends of the material feeding roller are provided with mounting blocks. Roller mounting grooves are formed on the mounting blocks. Notch openings are formed at the positions of the frame corresponding to the roller mounting grooves for the two ends of the material feeding roller to pass through. Bolt holes are formed on the mounting blocks, and corresponding connection holes are arranged on the frame. The bolt holes correspond to the connection holes for fixing the mounting blocks. There are multiple groups of bolt holes and connection holes. When the mounting blocks are at different heights, the height of the material feeding roller is different.

5. A novel film stretching machine according to claim 1, characterized in that, A rotation speed sensor is arranged on the material receiving roller to detect the rotation speed of the winding roller. The rotation speed sensor is connected with a controller. The controller receives the real-time data of the rotation speed sensor and cooperates with the motor for rotation speed control.

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