Film drawing device

Abstract

The utility model discloses a film drawing device which comprises a fixing frame, universal wheels are fixedly connected to the four corners of the bottom end of the fixing frame, locking assemblies are arranged on the front side and the rear side of the fixing frame, and a two-way screw is rotationally connected to the middle position in the fixing frame. According to the film drawing device, movement and position adjustment of the film drawing device can be facilitated through the arranged universal wheels, the film drawing device can be limited through the arranged locking assembly and prevented from moving in the working process, and the distance between the lifting assemblies can be adjusted through the arranged first servo motor, the arranged bidirectional screw and the arranged first limiting rod; the distance between the clamping assemblies can be adjusted, winding drums with different lengths can be clamped conveniently, the inner walls of the two sides of the winding drums can be clamped through the arranged three-jaw chuck, the winding drums with different diameters can be clamped conveniently, after film drawing is finished, the winding drums are driven to descend through the lifting assembly, the winding drums can be supported through the arranged nylon cloth, and therefore discharging is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pull film device technical field especially relates to a pull film device. BACKGROUND

[0002] The pull film device for producing polylactic acid plastic is a pull film machine, which is a device for pulling out plastic film from a film blowing machine and winding it up. It is usually composed of a machine frame and a film winding mechanism. The film winding mechanism winds the film from a winding drum, and then positions and tensions it through a series of rollers and tension control devices to complete the winding of the plastic film.

[0003] A pull film device for producing polylactic acid plastic is disclosed in Chinese Patent No. CN220517345U. It includes a pull film machine mounted on a base at the bottom. The bottom of the base is provided with a storage slot. A lifting plate is provided inside the storage slot. Four universal wheels are installed at the bottom of the lifting plate at the four corners. A bearing is installed at the top center of the lifting plate. A nut block is installed on the top of the base. A threaded rod with a hand wheel is installed on the inner wall of the nut block. The utility model is convenient for people to move the pull film machine without using a forklift or lifting equipment. By rotating the threaded rod clockwise, the threaded rod pushes the lifting plate down. The lifting plate extends out of the storage slot to support the pull film machine with the universal wheels. People can easily move the pull film machine by pushing it with the universal wheels. When it is necessary to fix the pull film device, the universal wheels can be retracted into the storage slot by reversing the threaded rod. The overall structure is simple and the production cost is low, greatly improving the applicability of the pull film device.

[0004] The above-mentioned pull film device is not convenient for clamping winding drums of different diameters and lengths, and is not convenient for unloading. In order to overcome these disadvantages, the utility model provides a pull film device. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a pull film device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pull film device, including a fixed frame, the four corners of the bottom end of the fixed frame are all fixedly connected with universal wheels, the front and rear sides of the fixed frame are all provided with locking assemblies, the inside of the fixed frame is rotatably connected with a bidirectional screw rod at the middle position, the two sides of the inside of the fixed frame are all fixedly connected with first limiting rods, the upper end of the fixed frame is provided with lifting assemblies on both sides, the lifting assemblies are all provided with clamping assemblies inside, the clamping assemblies are provided with winding drums between them, the upper end of the fixed frame is fixedly connected with support frames on the front and rear sides, the support frames are fixedly connected with nylon cloth.

[0007] Further, the first servo motor is fixedly connected to the middle position of one side of the fixing frame, and the output end of the first servo motor is fixedly connected to one end of the bidirectional screw rod.

[0008] Further, the locking assembly comprises a fixing plate fixedly connected to the fixing frame, an adjusting screw threadedly connected to the fixing plate, and a crank fixedly connected to the upper end of the adjusting screw.

[0009] Further, the bottom end of the adjusting screw is rotatably connected to a limiting disc, and the bottom end of the limiting disc is fixedly connected to an antiskid pad.

[0010] Further, the lifting assembly comprises a mounting frame, a connecting block fixedly connected to the bottom end of the mounting frame, and a first limiting rod slidably connected to the connecting block.

[0011] Further, the mounting frame is fixedly connected to a second limiting rod on one side of the inside of the mounting frame, rotatably connected to a first screw rod on the other side of the inside of the mounting frame, fixedly connected to a second servo motor on the upper end of the mounting frame, and fixedly connected to the upper end of the first screw rod through the output end of the second servo motor.

[0012] Further, the clamping assembly comprises a mounting block, the mounting block is threadedly connected to the first screw rod on one side, slidably connected to the second limiting rod on the other side, fixedly connected to a third servo motor on the outside of the mounting block, and the output end of the third servo motor is fixedly connected to a three-jaw chuck through the mounting block.

[0013] The utility model discloses the beneficial effects of:

[0014] When using, the film pulling device can be moved, the position is adjusted, the film pulling device is positioned through the locking assembly, the movement during work is avoided, the distance between the lifting assemblies can be adjusted through the first servo motor, the bidirectional screw rod and the first limiting rod, the distance between the clamping assemblies can be adjusted, the winding drum of different lengths is clamped, the three-jaw chuck can clamp the inner wall on both sides of the winding drum, the winding drum of different diameters is clamped, the winding drum is lowered through the lifting assembly when the film pulling is finished, the nylon cloth can support the winding drum, and the unloading is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the utility model, the following will be briefly introduced the drawings needed to be used in the specific implementation mode, obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can be obtained according to these drawings without creating creative labor.

[0016] Figure 1 : the front view of the utility model;

[0017] Figure 2 : the locking assembly structure schematic view of the utility model;

[0018] Figure 3 : the lifting assembly structure schematic view of the utility model;

[0019] Figure 4 : the clamping assembly structure schematic view of the utility model.

[0020] The signs are as follows:

[0021] 1, fixed frame;2, universal wheel;3, lifting assembly;4, clamping assembly;5, fixed plate;6, adjusting screw;7, rocking handle;8, limit disc;9, bidirectional screw;10, first limit rod;11, first servo motor;12, support frame;13, nylon cloth;14, mounting frame;15, connecting block;16, second limit rod;17, first screw;18, second servo motor;19, mounting block;20, third servo motor;21, three-jaw chuck. Specific implementation

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] As Figures 1-4 shown, it relates to a kind of pull film devices, including fixed frame 1, fixed frame 1 bottom end four corners are all fixedly connected with universal wheel 2, fixed frame 1 front and back sides are all provided with locking assembly, bidirectional screw 9 is rotatably connected in the middle position of the inside of fixed frame 1, first limit rod 10 is fixedly connected in the both sides of the inside of fixed frame 1, lifting assembly 3 is provided on the both sides of the upper end of fixed frame 1, clamping assembly 4 is provided in the inside of lifting assembly 3, winding drum is arranged between clamping assembly 4, support frame 12 is fixedly connected between the front and back sides of the upper end of fixed frame 1, nylon cloth 13 is fixedly connected between support frame 12, first servo motor 11 is fixedly connected in the middle position of one side of fixed frame 1, first servo motor 11 output end is fixedly connected with one end of bidirectional screw 9, first servo motor 11 is driven bidirectional screw 9 to rotate, can drive lifting assembly 3 to be close to or away from along first limit rod 10 by connecting block 15, can adjust the spacing between lifting assembly 3, so as to adjust the spacing between clamping assembly 4, it is convenient to clamp winding drum of different lengths.

[0024] As shown in the figure, the locking assembly comprises a fixed plate 5 fixedly connected with the fixed frame 1, an adjusting screw 6 threadedly connected on the fixed plate 5, a crank 7 fixedly connected on the upper end of the adjusting screw 6, and a limiting disc 8 rotatably connected on the bottom end of the adjusting screw 6, wherein the bottom end of the limiting disc 8 is fixedly connected with an anti-skid pad. Rotating the crank 7 can drive the adjusting screw 6 to rotate, thereby driving the limiting disc 8 to move. The anti-skid pad at the bottom end of the limiting disc 8 is in contact with the ground, thereby limiting the movement of the device during operation.

[0025] As shown in the figure, the lifting assembly 3 comprises a mounting frame 14, a connecting block 15 fixedly connected on the bottom end of the mounting frame 14, the connecting block 15 threadedly connected with one side of the bidirectional screw 9, the connecting block 15 slidably connected with the first limiting rod 10, a second limiting rod 16 fixedly connected on one side inside the mounting frame 14, a first screw 17 rotatably connected on the other side inside the mounting frame 14, a second servo motor 18 fixedly connected on the upper end of the mounting frame 14, the output end of the second servo motor 18 fixedly connected with the upper end of the first screw 17, the second servo motor 18 driving the first screw 17 to rotate, thereby driving the clamping assembly 4 to move along the second limiting rod 16 through the mounting block 19. The clamping assembly 4 comprises the mounting block 19, one side of the mounting block 19 threadedly connected with the first screw 17, the other side of the mounting block 19 slidably connected with the second limiting rod 16, a third servo motor 20 fixedly connected on the outer side of the mounting block 19, and a three-jaw chuck 21 fixedly connected on the output end of the third servo motor 20 and penetrating through the mounting block 19. The three-jaw chuck 21 is driven to rotate by the third servo motor 20, thereby driving the winding drum to rotate, and thereby winding the polylactic acid plastic film.

[0026] Working principle: in use, through the setting universal wheel 2 can facilitate the movement of the film drawing device, adjust the position, through the setting locking assembly can be positioned to the film drawing device, specifically, rotating the handle 7 can drive the adjusting screw 6 rotates, thus can drive the limiting disc 8 moves, the anti-skid pad of the bottom end of the limiting disc 8 is in contact with the ground, thus can be positioned to the device, avoid moving when working, through the setting first servo motor 11 drive bidirectional screw 9 rotates, can drive the lifting assembly 3 through the connecting block 15 along the first limiting rod 10 close or far away, can adjust the spacing between the lifting assembly 3, thus can adjust the spacing between the clamping assembly 4, facilitate the clamping of the different length of the reel, the reel is placed between the clamping assembly 4, the setting three-jaw chuck 21 can be clamped to the inner wall of the reel both sides, facilitate the clamping of the different diameter of the reel, through the setting third servo motor 20 drive three-jaw chuck 21 rotates, can drive the reel rotates, thus can be wound to the polylactic acid plastic film, when the film drawing ends, through the lifting assembly 3 drive the reel down, specifically, the second servo motor 18 drive first screw 17 rotates, can drive the clamping assembly 4 through the mounting block 19 along the second limiting rod 16 moves, the setting nylon cloth 13 can support the reel, contact three-jaw chuck 21 to the clamping of the reel, adjust the spacing between the lifting assembly 3 again, make it separate, thus facilitate unloading.

[0027] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A film pulling device comprising a fixed frame (1), characterized in that: The fixed frame (1) bottom end four corners are fixedly connected with universal wheels (2), the fixed frame (1) front and back sides are provided with locking assemblies, the fixed frame (1) inside middle position is rotatably connected with a bidirectional screw rod (9), the fixed frame (1) inside both sides are fixedly connected with first limit rods (10), the fixed frame (1) upper ends both sides are provided with lifting assemblies (3), the lifting assemblies (3) are provided with clamping assemblies (4) inside, the clamping assemblies (4) are provided with a winding drum between, the fixed frame (1) upper end front and back sides are fixedly connected with support frames (12), the support frames (12) are fixedly connected with nylon cloth (13) between.

2. The film drawing apparatus according to claim 1, characterized by: The fixed frame (1) one side middle position is fixedly connected with a first servo motor (11), and the first servo motor (11) output end is fixedly connected with the bidirectional screw rod (9) one end.

3. The film drawing apparatus according to claim 1, characterized by: The locking assembly includes a fixed plate (5) fixedly connected with the fixed frame (1), the fixed plate (5) is threadedly connected with an adjusting screw rod (6), and the adjusting screw rod (6) upper end is fixedly connected with a crank handle (7).

4. The film drawing apparatus according to claim 3, characterized by: The adjusting screw rod (6) bottom end is rotatably connected with a limit disc (8), and the limit disc (8) bottom end is fixedly connected with an antiskid pad.

5. The film drawing apparatus according to claim 1, characterized by: The lifting assembly (3) includes a mounting frame (14), the mounting frame (14) bottom end is fixedly connected with a connecting block (15), the connecting block (15) is threadedly connected with the bidirectional screw rod (9) one side, and the connecting block (15) is slidably connected with the first limit rod (10).

6. A film drawing apparatus according to claim 5, characterized in that: The mounting frame (14) inside one side is fixedly connected with a second limit rod (16), the mounting frame (14) inside other side is rotatably connected with a first screw rod (17), the mounting frame (14) upper end is fixedly connected with a second servo motor (18), and the second servo motor (18) output end is fixedly connected with the first screw rod (17) upper end.

7. The film drawing apparatus according to claim 6, characterized by: The clamping assembly (4) includes a mounting block (19), one side of the mounting block (19) is threadedly connected with the first screw rod (17), the other side of the mounting block (19) is slidably connected with the second limit rod (16), the mounting block (19) outer side is fixedly connected with a third servo motor (20), and the third servo motor (20) output end is fixedly connected with a three-jaw chuck (21) penetrating the mounting block (19).

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