Winding device for casting polyethylene film production

Abstract

The utility model discloses a winding device for casting polyethylene film production, which comprises a bottom plate, two groups of guide rollers are connected to the inner side of a support frame through an adjusting mechanism, a rotating shaft is rotatably connected to one side, far away from the guide rollers, of the support frame, a driving mechanism is connected to one end of the rotating shaft, and two groups of support discs are sleeved on the outer side of the rotating shaft. According to the utility model, the two groups of guide rollers can conveniently move up and down through the adjusting mechanism, so that a casting polyethylene film can be ensured to be in a straightened state during winding, wrinkles cannot be generated during winding, the winding efficiency is improved, the production cost is reduced, and the production efficiency is improved. The rotating shaft and the two sets of supporting discs can be driven to rotate through the driving mechanism, so that the two sets of winding rollers can be driven to alternately rotate to the working position for winding operation, the winding rollers can be conveniently mounted and dismounted through the arranged fixing mechanism, and then the dismounting and mounting convenience of the winding rollers is greatly improved through the arrangement; and the winding efficiency of the casting polyethylene film is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polyethylene film processing, in particular to a winding device for producing cast polyethylene film. Background Art

[0002] The cast film method is one of the most widely used methods in plastic film processing. The film produced by the cast film method has the advantages of good transparency, good glossiness, high dimensional accuracy, etc., and the production rate of the cast film method is relatively high. At present, in the process of producing polyethylene film by the cast film method, the last process is to wind up and collect the produced cast polyethylene film. The general working principle is: the motor drives the winding roller on the winder to rotate, and the cast polyethylene film on the winding roller is wound and collected. At the same time, the feeding device on the production line will feed the cast polyethylene film to the direction of the winder.

[0003] However, there is a problem with the existing winding roller, that is, when the winding roller has been wound, it is necessary to remove the winding roller and replace it with a new one. This process is very time-consuming and affects the winding efficiency.

[0004] Therefore, a winding device for producing cast polyethylene film is needed to solve the problems raised in the above background technology. Utility Model Content

[0005] In view of the above problems, the utility model provides a winding device for producing cast polyethylene film.

[0006] The utility model provides the following technical solutions: a winding device for producing cast polyethylene film, comprising a bottom plate, a support frame is provided on the top of the bottom plate, two groups of guide rollers are provided at the inner side of the support frame near one end, an adjustment mechanism is installed on the top of the support frame to facilitate the up and down movement of the two groups of guide rollers, a rotating shaft is rotatably connected to the side of the support frame away from the guide roller, one end of the rotating shaft is connected to a driving mechanism to facilitate its rotation, two groups of support discs are sleeved on the outer side of the rotating shaft, two groups of winding rollers are penetrated between the two groups of support discs, and two groups of fixing mechanisms respectively matched with the two groups of winding rollers are provided on the inner sides of the two groups of support discs;

[0007] The fixing mechanism includes a turntable installed on one side of the support plate, the outer rings of the two groups of support plates are provided with grooves, the bottoms of the two groups of grooves are provided with movable grooves that facilitate the movement of the movable plates, the inner sides of the two groups of movable grooves are rotatably connected with bidirectional screws threadedly connected to the two groups of movable plates, one end of the bidirectional screw is connected to one side of the turntable, one side of the two groups of movable plates are rotatably connected with a socket, the other side of one group of movable plates is provided with a second motor that drives the socket to rotate, and both ends of the winding roller are provided with plug connectors that are respectively compatible with the two groups of sockets.

[0008] In a further technical solution, the driving mechanism includes a first motor installed on the top of the support frame, the output end of the first motor is connected to a driving turntable, and the driving turntable is connected to a driven turntable connected to one end of the rotating shaft through a conveyor belt.

[0009] In a further technical solution, the adjustment mechanism includes an adjustment disk, adjustment grooves are provided on both side inner walls of the support frame, limit strips are provided on both side inner walls of the adjustment grooves, adjustment plates are penetrated on the inner sides of the two groups of adjustment grooves and are respectively slidably connected to the corresponding two groups of limit strips, two groups of guide rollers are rotatably connected between the two groups of adjustment plates, connecting rods slidably connected to the support frame are provided on the tops of the two groups of adjustment plates, the ends of the two groups of connecting rods are connected by a connecting plate, the connecting plate is threadedly connected to a screw rotatably connected to the top of the support frame, and the top of the screw is provided with the adjustment disk.

[0010] In a further technical solution, a placement rack for facilitating the placement of the winding roller is installed on one side of the two groups of support plates.

[0011] In a further technical solution, two groups of limit rods slidably connected to the movable plates are provided on the inner sides of the two groups of movable grooves.

[0012] In a further technical solution, a fixed seat is provided on one side of the support frame, and the outer ring of the fixed seat is rotatably connected to a mounting plate and connected through a torsion spring, and the inner side of one end of the mounting plate is rotatably connected to a pressure roller that contacts the winding roller.

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

[0014] The two motors are connected in a direction of rotation to form a plurality of movable plates, and the two movable plates are connected in a direction of rotation to form a plurality of movable plates, and the two movable plates are connected in a direction of rotation to form a plurality of movable plates.

[0015] 2. The utility model can drive the screw to rotate by rotating the adjusting disk, and the screw can drive the connecting plate to move up and down through the threaded connection with the connecting plate, and the connecting plate can drive two groups of connecting rods and two groups of adjusting plates to move up and down, and the two groups of adjusting plates can drive two groups of guide rollers to move up and down, so that the up and down movement of the two groups of guide rollers can ensure that the cast polyethylene film is in a straight state when it is rolled up, and no wrinkles will be generated during the rolling.

[0016] 3. The utility model can drive the pressure roller at one end of the mounting plate to come into contact with the winding roller by means of the torsion spring, so that when the winding roller winds up the cast polyethylene film, the cast polyethylene film can be leveled, thereby ensuring the winding effect of the cast polyethylene film. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a side view of the utility model;

[0019] Figure 3 It is a side sectional view of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the winding roller;

[0021] Figure 5 for Figure 3 Enlarged view of part A in .

[0022] In the figure: 1, bottom plate, 2, support frame, 3, adjusting groove, 4, limit strip, 5, adjusting plate, 6, connecting rod, 7, connecting plate, 8, screw, 9, adjusting disk, 10, guide roller, 11, rotating shaft, 12, driven turntable, 13, conveyor belt, 14, driving turntable, 15, first motor, 16, support plate, 17, groove, 18, movable groove, 19, bidirectional screw, 20, turntable, 21, movable plate, 22, socket, 23, second motor, 24, winding roller, 25, plug connector, 26, limit rod, 27, placement frame, 28, fixed seat, 29, mounting plate, 30, torsion spring, 31, pressure roller. DETAILED DESCRIPTION

[0023] The embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

[0024] Example:

[0025] Reference Figure 1-Figure 5A winding device for producing cast polyethylene film, comprising a bottom plate 1, a support frame 2 is arranged on the top of the bottom plate 1, two groups of guide rollers 10 are arranged on the inner side of the support frame 2 near one end, an adjustment mechanism for facilitating the up and down movement of the two groups of guide rollers 10 is installed on the top of the support frame 2, a rotating shaft 11 is rotatably connected to the side of the support frame 2 away from the guide roller 10, one end of the rotating shaft 11 is connected to a driving mechanism for facilitating its rotation, two groups of support discs 16 are sleeved on the outer side of the rotating shaft 11, two groups of winding rollers 24 are penetrated between the two groups of support discs 16, and two groups of fixing mechanisms respectively matched with the two groups of winding rollers 24 are arranged on the inner sides of the two groups of support discs 16;

[0026] The fixing mechanism includes a turntable 20 installed on one side of the support plate 16, the outer rings of the two groups of support plates 16 are provided with grooves 17, and the bottoms of the two groups of grooves 17 are provided with movable grooves 18 for facilitating the movement of the movable plates 21. The inner sides of the two groups of movable grooves 18 are rotatably connected with bidirectional screws 19 threadedly connected to the two groups of movable plates 21, one end of the bidirectional screw 19 is connected to one side of the turntable 20, and one side of the two groups of movable plates 21 are rotatably connected with a socket 22, and a second motor 23 that drives the socket 22 to rotate is installed on the other side of one group of movable plates 21, and plug connectors 25 that are respectively compatible with the two groups of sockets 22 are provided at both ends of the winding roller 24.

[0027] Specifically, the bottom plate 1 and the support frame 2 can provide a stable working platform for the winding operation of the cast polyethylene film. The adjustment mechanism can facilitate the up and down movement of the two groups of guide rollers 10, so as to ensure that the cast polyethylene film is in a straight state when winding, and no wrinkles will be generated during winding. The driving mechanism can drive the rotating shaft 11 and the two groups of support plates 16 to rotate, so as to drive the two groups of winding rollers 24 to rotate alternately to the working position for winding operation. By rotating the turntable 20, the turntable 20 can drive the bidirectional screw 19 to rotate, and the bidirectional screw 19 can rotate by interlocking with the two groups of movable plates. Under the action of the threaded connection of 21, the two groups of movable plates 21 can be driven to move inward, and the two groups of movable plates 21 can drive the two groups of plug-in seats 22 to move inward and plug with the two groups of plug connectors 25, so that the installation and fixation of the winding roller 24 can be completed, and then by starting the second motor 23, the second motor 23 can drive the plug-in seat 22 and the winding roller 24 to rotate, so as to facilitate the winding operation of the cast polyethylene film, and the disassembly of the winding roller 24 can be completed by reverse operation, and then through the above structure, the convenience of disassembly and assembly of the winding roller 24 is greatly improved, and the winding efficiency of the cast polyethylene film is effectively improved.

[0028] Among them, the driving mechanism includes a first motor 15 installed on the top of the support frame 2, and the output end of the first motor 15 is connected to the driving turntable 14, and the driving turntable 14 is connected to the driven turntable 12 connected to one end of the rotating shaft 11 through the conveyor belt 13. By starting the first motor 15, the first motor 15 can drive the driving turntable 14 to rotate. The driving turntable 14 can drive the driven turntable 12 to rotate under the action of the conveyor belt 13. The driven turntable 12 can drive the rotating shaft 11 and the two groups of support plates 16 to rotate, thereby driving the two groups of winding rollers 24 to rotate alternately to the working position for winding operations, effectively improving the efficiency of winding the cast polyethylene film.

[0029] Among them, the adjusting mechanism includes an adjusting disk 9, adjusting grooves 3 are opened on the inner walls on both sides of the support frame 2, and limit strips 4 are arranged on the inner walls on both sides of the adjusting grooves 3. The inner sides of the two groups of adjusting grooves 3 are penetrated by adjusting plates 5 which are respectively slidably connected with the corresponding two groups of limit strips 4. Two groups of guide rollers 10 are rotatably connected between the two groups of adjusting plates 5. The tops of the two groups of adjusting plates 5 are provided with connecting rods 6 which are slidably connected with the support frame 2. The ends of the two groups of connecting rods 6 are connected by connecting plates 7. The connecting plates 7 are threadedly connected with screws 8 which are rotatably connected with the top of the support frame 2. An adjusting disk 9 is arranged on the top of the screw 8. By rotating the adjusting disk 9, the adjusting disk 9 can drive the screw 8 to rotate. The screw 8 can drive the connecting plate 7 to move up and down through the threaded connection with the connecting plate 7. The connecting plate 7 can drive the two groups of connecting rods 6 and the two groups of adjusting plates 5 to move up and down. The two groups of adjusting plates 5 can drive the two groups of guide rollers 10 to move up and down, so that the up and down movement of the two groups of guide rollers 10 can ensure that the cast polyethylene film is in a straight state when it is rolled up, and no wrinkles will be generated when it is rolled up.

[0030] Among them, one side of the two groups of support plates 16 is equipped with a placement rack 27 for convenient placement of the winding roller 24. The placement rack 27 can facilitate the placement of the winding roller 24, so as to facilitate the installation and fixation of the winding roller 24. The inner sides of the two groups of movable grooves 18 are provided with two groups of limit rods 26 slidingly connected to the movable plate 21. The limit rods 26 can limit the movement of the movable plate 21, so that the movable plate 21 can more stably drive the socket 22 to move, so as to better plug in with the plug connector 25.

[0031] Among them, a fixed seat 28 is provided on one side of the support frame 2, and the outer circle of the fixed seat 28 is rotatably connected to a mounting plate 29, and is connected through a torsion spring 30. The inner side of one end of the mounting plate 29 is rotatably connected to a pressure roller 31 that contacts the winding roller 24. Through the torsion spring 30, the pressure roller 31 at one end of the mounting plate 29 can be driven to contact the winding roller 24, so that when the winding roller 24 winds up the cast polyethylene film, the cast polyethylene film can be flattened, thereby ensuring the winding effect of the cast polyethylene film.

[0032] Working principle: First, place the winding roller 24 on the placement frame 27, then, by rotating the turntable 20, the turntable 20 can drive the bidirectional screw 19 to rotate, and the bidirectional screw 19 can drive the two sets of movable plates 21 to move inward, and the two sets of movable plates 21 can drive the two sets of plug-in seats 22 to move inward and plug with the two sets of plug-in connectors 25, so that the installation and fixation of the winding roller 24 can be completed, and the disassembly of the winding roller 24 can be completed by reverse operation, and then by starting the second motor 23, the second motor 23 can drive the plug-in seat 22 and the winding roller 24 to rotate, so as to facilitate the winding operation of the cast polyethylene film, and by rotating the adjusting disk 9, the adjusting disk 9 can The screw rod 8 is driven to rotate, and the screw rod 8 can drive the connecting plate 7 to move up and down. The connecting plate 7 can drive two groups of connecting rods 6 and two groups of adjusting plates 5 to move up and down. The two groups of adjusting plates 5 can drive two groups of guide rollers 10 to move up and down. Therefore, the up and down movement of the two groups of guide rollers 10 can ensure that the cast polyethylene film is in a straight state when it is rolled up, and no wrinkles will be generated when it is rolled up. Through the set torsion spring 30, the pressure roller 31 at one end of the mounting plate 29 can be driven to conflict with the winding roller 24. Therefore, when the winding roller 24 rolls up the cast polyethylene film, the cast polyethylene film can be flattened, thereby ensuring the rolling effect of the cast polyethylene film, thereby completing the entire operation process.

[0033] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A winding device for producing cast polyethylene film, comprising a bottom plate, characterized in that: A support frame is provided on the top of the bottom plate, and two groups of guide rollers are provided on the inner side of the support frame near one end. An adjustment mechanism is installed on the top of the support frame to facilitate the up and down movement of the two groups of guide rollers. A rotating shaft is rotatably connected to the side of the support frame away from the guide rollers, and one end of the rotating shaft is connected to a driving mechanism to facilitate its rotation. Two groups of support discs are sleeved on the outer side of the rotating shaft, and two groups of winding rollers are penetrated between the two groups of support discs. Two groups of fixing mechanisms respectively matched with the two groups of winding rollers are provided on the inner sides of the two groups of support discs. The fixing mechanism includes a turntable installed on one side of the support plate, the outer rings of the two groups of support plates are provided with grooves, the bottoms of the two groups of grooves are provided with movable grooves that facilitate the movement of the movable plates, the inner sides of the two groups of movable grooves are rotatably connected with bidirectional screws threadedly connected to the two groups of movable plates, one end of the bidirectional screw is connected to one side of the turntable, one side of the two groups of movable plates are rotatably connected with a socket, the other side of one group of movable plates is provided with a second motor that drives the socket to rotate, and both ends of the winding roller are provided with plug connectors that are respectively compatible with the two groups of sockets.

2. A winding device for producing cast polyethylene film according to claim 1, characterized in that: The driving mechanism comprises a first motor installed on the top of the support frame, the output end of the first motor is connected to a driving turntable, and the driving turntable is connected to a driven turntable connected to one end of the rotating shaft through a conveyor belt.

3. A winding device for producing cast polyethylene film according to claim 2, characterized in that: The adjusting mechanism comprises an adjusting disk, adjusting grooves are provided on both side inner walls of the support frame, limiting strips are provided on both side inner walls of the adjusting grooves, adjusting plates which are slidably connected with the corresponding two groups of limiting strips are penetrated on the inner sides of the two groups of adjusting grooves, two groups of guide rollers are rotatably connected between the two groups of adjusting plates, connecting rods which are slidably connected with the support frame are provided on the tops of the two groups of adjusting plates, the ends of the two groups of connecting rods are connected by a connecting plate, the connecting plate is threadedly connected with a screw which is rotatably connected with the top of the support frame, and the adjusting disk is provided on the top of the screw.

4. A winding device for producing cast polyethylene film according to claim 1, characterized in that: One side of the two groups of support plates is equipped with a placement frame for convenient placement of the winding roller.

5. A winding device for producing cast polyethylene film according to claim 4, characterized in that: Two groups of limiting rods slidably connected to the moving plates are arranged on the inner sides of the two groups of movable grooves.

6. A winding device for producing cast polyethylene film according to claim 4, characterized in that: A fixing seat is provided on one side of the support frame, and an outer ring of the fixing seat is rotatably connected to a mounting plate through a torsion spring. An inner side of one end of the mounting plate is rotatably connected to a pressure roller that contacts the winding roller.

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