Longitudinal stretching machine suitable for thick film

Abstract

The utility model relates to a longitudinal stretcher applicable to thick films, which comprises a frame, an unwinding mechanism, a winding mechanism and a stretching mechanism arranged between the unwinding mechanism and the winding mechanism, the stretching mechanism comprises a preheating roller and a driving roller, two sides of the preheating roller and two sides of the driving roller are respectively provided with a transfer roller for transferring the films, and the transfer rollers are arranged on the frame. The rack comprises a bottom plate, a left side plate and a right side plate, the transfer roller, the preheating roller and the driving roller are arranged between the left side plate and the right side plate, and the preheating roller, the transfer roller and the driving roller are all ceramic rollers. According to the utility model, the rollers in the stretching machine are all ceramic rollers, and ceramic has high wear resistance and high temperature resistance, so that a film can be prevented from being scratched in the stretching process, and meanwhile, the distance between the preheating roller and the driving roller is adjusted through the adjusting mechanism, so that the pressure on the film is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of film processing equipment, in particular to a longitudinal stretching machine suitable for thick films. Background Art

[0002] During the film production process, especially when the film is longitudinally stretched, since the material of the roller is metal material, the film will be scratched during stretching. Therefore, it is necessary to adopt a longitudinal stretching machine that can avoid film scratching. Summary of the Invention

[0003] The purpose of the utility model is to provide a longitudinal stretching machine suitable for thick films to solve the above technical problems.

[0004] To achieve the above purpose, the utility model provides the following technical solutions.

[0005] A longitudinal stretching machine suitable for thick films, characterized in that it includes a frame, a film unwinding mechanism, a film winding mechanism, and a stretching mechanism arranged between the film unwinding mechanism and the film winding mechanism. The stretching mechanism includes a preheating roller and a driving roller. Transfer rollers for transferring the film are arranged on both sides of the preheating roller and the driving roller. The frame includes a bottom plate, a left side plate, and a right side plate. The transfer rollers, the preheating roller, and the driving roller are arranged between the left side plate and the right side plate. The preheating roller, the transfer rollers, and the driving roller are all ceramic rollers.

[0006] The utility model is further provided that a recessed groove is formed on one side of the left side plate and the right side plate corresponding to the preheating roller. An adjusting mechanism for adjusting the distance between the preheating roller and the driving roller is arranged in the recessed groove. The adjusting mechanism includes a mounting plate arranged on the side close to the driving roller in the recessed groove, a guiding shaft arranged on the mounting plate, and a guiding block moving along the guiding shaft. Both ends of the preheating roller are arranged on the mounting plate. A spring is arranged on the guiding shaft, and the guiding shaft is fixedly connected with the mounting plate. The guiding block is connected with a crank assembly. The crank assembly includes a connecting block fixedly connected with the guiding block. The connecting block is connected with a first crank. One end of the first crank is connected with a driving cylinder. The driving cylinder is arranged on the bottom plate. The output end of the driving cylinder is connected with one end of the first crank and is inclined. When the driving cylinder acts, the first crank pushes the guiding block to move along the setting direction of the guiding shaft, so as to adjust the distance between the preheating roller and the driving roller.

[0007] The present utility model is further configured such that the unwinding mechanism and the winding mechanism are disposed on the bottom plate, and the unwinding mechanism and the winding mechanism are slidably disposed on the bottom plate. A sliding plate is provided between the unwinding mechanism, the winding mechanism and the bottom plate. A slide rail and a ball screw for driving the sliding plate to move are provided on the bottom plate. The ball screw is driven by a motor. A sliding block is provided at the bottom of the sliding plate, and the sliding block is used in cooperation with the slide rail. The ball screw drives the sliding plate to move.

[0008] The present utility model is further configured such that the unwinding mechanism and the winding mechanism both include a winding drum and a winding drum shaft, and a driving motor is provided at one end of the winding drum shaft.

[0009] The beneficial effects of the present utility model: In the present utility model, ceramic rollers are used for all the rollers in the stretching machine. Since ceramics have the properties of high wear resistance and high temperature resistance, it can avoid scratching the film during the stretching process. At the same time, the distance between the preheating roller and the driving roller is adjusted by the adjusting mechanism to adjust the pressure on the film. Description of the Drawings

[0010] The drawings described herein are used to provide a further understanding of the present application and constitute 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 of the present application. In the drawings:

[0011] Figure 1 It is a schematic structural view of an embodiment of the present utility model.

[0012] Figure 2 It is a partial schematic view of the adjusting mechanism of an embodiment of the present utility model.

[0013] Figure 3 It is a side view of an embodiment of the present utility model.

[0014] Reference numerals: 10, frame; 101, bottom plate; 102, left side plate; 103, right side plate; 20, unwinding mechanism; 30, winding mechanism; 40, stretching mechanism; 401, preheating roller; 402, driving roller; 403, transfer roller; 50, recessed groove; 60, adjusting mechanism; 601, mounting plate; 602, guiding shaft; 603, guiding block; 604, spring; 70, crank assembly; 701, connecting block; 702, first crank; 703, driving cylinder; 80, sliding plate; 90, slide rail; 100, sliding block; 110, winding drum; 120, winding drum shaft; 130, driving motor; Detailed Embodiments

[0015] The following will cooperate with the drawings and embodiments to detail the implementation manners of the present application, so as to fully understand how the present application uses technical means to solve technical problems and achieve the implementation process of technical effects and implement accordingly.

[0016] As shown Figures 1 - 3 in the figure, a longitudinal stretching machine for thick films of the present utility model includes a frame 10, a unwinding mechanism 20, a winding mechanism 30, and a stretching mechanism 40 disposed between the unwinding mechanism 20 and the winding mechanism 30. The stretching mechanism 40 includes a preheating roller 401 and a driving roller 402. Transfer rollers 403 for transferring the film are disposed on both sides of the preheating roller 401 and the driving roller 402. The frame 10 includes a bottom plate 101, a left side plate 102, and a right side plate 103. The transfer rollers 403, the preheating roller 401, and the driving roller 402 are disposed between the left side plate 102 and the right side plate 103. The preheating roller 401, the transfer rollers 403, and the driving roller 402 are all ceramic rollers.

[0017] In this embodiment, recessed grooves 50 are formed on one side of the left side plate 102 and the right side plate 103 corresponding to the preheating roller 401. An adjusting mechanism 60 for adjusting the distance between the preheating roller 401 and the driving roller 402 is disposed in the recessed grooves 50. The adjusting mechanism 60 includes a mounting plate 601 disposed on one side of the recessed grooves 50 close to the driving roller 402, a guiding shaft 602 disposed on the mounting plate 601, and a guiding block 603 moving along the guiding shaft 602. Both ends of the preheating roller 401 are disposed on the mounting plate 601. A spring 604 is disposed on the guiding shaft 602. The guiding shaft 602 is fixedly connected to the mounting plate 601. The guiding block 603 is connected with a crank assembly 70. The crank assembly 70 includes a connecting block 701 fixedly connected to the guiding block 603. The connecting block 701 is connected with a first crank 702. One end of the first crank 702 is connected with a driving cylinder 703. The driving cylinder 703 is disposed on the bottom plate 101. The output end of the driving cylinder 703 is connected with one end of the first crank 702 and is inclined. When the driving cylinder 703 operates, the first crank 702 pushes the guiding block 603 to move along the setting direction of the guiding shaft 602, thereby adjusting the distance between the preheating roller 401 and the driving roller 402.

[0018] The unwinding mechanism 20 and the winding mechanism 30 are disposed on the bottom plate 101. The unwinding mechanism 20 and the winding mechanism 30 are slidably disposed on the bottom plate 101. A sliding plate 80 is disposed between the unwinding mechanism 20, the winding mechanism 30 and the bottom plate 101. A slide rail 90 and a ball screw for driving the sliding plate 80 to move are disposed on the bottom plate 101. The ball screw is driven by a motor. A sliding block 100 is disposed at the bottom of the sliding plate 80. The sliding block 100 is used in cooperation with the slide rail 90. The ball screw drives the sliding plate 80 to move.

[0019] Both the unwinding mechanism 20 and the winding mechanism 30 include a reel 110 and a reel shaft 110. A driving motor 130 is disposed at one end of the reel shaft 110.

[0020] In the present utility model, ceramic rollers are adopted for all the rollers in the stretching machine. Since ceramics have the properties of high wear resistance and high temperature resistance, it can avoid scratching the film during the stretching process. At the same time, the distance between the preheating roller 401 and the driving roller 402 is adjusted by the adjusting mechanism 60 so as to adjust the pressure on the film.

[0021] 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 of this application do not use the difference in names as a way to distinguish components, but 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 technical problems within a certain error range and basically achieve the technical effect.

[0022] 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 element.

[0023] 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 modified within the scope of the inventive concept herein through the above teachings or the technology or knowledge in the relevant field. And any changes and modifications made by those skilled in the art without departing from the spirit and scope of the present utility model shall fall within the protection scope of the appended claims of the present utility model.

Claims

1. A longitudinal stretching machine suitable for thick films, characterized in that: It includes a frame, a unwinding mechanism, a rewinding mechanism and a stretching mechanism arranged between the unwinding mechanism and the rewinding mechanism, the stretching mechanism includes a preheating roller and an active roller, both sides of the preheating roller and the active roller are provided with transfer rollers for transferring the film, the frame includes a bottom plate, a left plate, and a right plate, the transfer roller, the preheating roller and the active roller are arranged between the left plate and the right plate, and the preheating roller, the transfer roller and the active roller are all ceramic rollers.

2. A longitudinal stretching machine suitable for thick films as claimed in claim 1, characterized in that: A recessed groove is formed on one side of the left plate and the right plate corresponding to the preheating roller, and an adjustment mechanism for adjusting the distance between the preheating roller and the active roller is arranged in the recessed groove, and the adjustment mechanism comprises a mounting plate arranged in the recessed groove close to one side of the active roller, a guide shaft arranged on the mounting plate, and a guide block moving along the guide shaft, both ends of the preheating roller are arranged on the mounting plate, a spring is arranged on the guide shaft, the guide shaft is fixedly connected to the mounting plate, the guide block is connected to a crank assembly, the crank assembly comprises a connecting block fixedly connected to the guide block, the connecting block is connected to crank 1, one end of crank 1 is connected to a driving cylinder, the driving cylinder is arranged on a bottom plate, the output end of the driving cylinder is connected to one end of crank 1, and is arranged obliquely, when the driving cylinder is actuated, the crank 1 pushes the guide block to move along the setting direction of the guide shaft, thereby adjusting the distance between the preheating roller and the active roller.

3. A longitudinal stretching machine suitable for thick films as claimed in claim 1, characterized in that: The unwinding mechanism and the rewinding mechanism are arranged on a bottom plate, and the unwinding mechanism and the rewinding mechanism are slidably arranged on the bottom plate. A sliding plate is arranged between the unwinding mechanism, the rewinding mechanism and the bottom plate, and a slide rail and a ball screw for driving the sliding plate to move are arranged on the bottom plate. The ball screw is driven by a motor, and a sliding block is arranged at the bottom of the sliding plate. The sliding block is used in conjunction with the slide rail, and the ball screw drives the sliding plate to move.

4. A longitudinal stretching machine suitable for thick films as claimed in claim 3, characterized in that: The unwinding mechanism and the rewinding mechanism both comprise a reel and a reel shaft, and a driving motor is arranged at one end of the reel shaft.

Images