Discharging device of plastic film rolling machine

Abstract

The utility model discloses an emptying device of a plastic film rolling machine, which comprises an equipment base, an equipment vertical plate is fixedly mounted on one side of the equipment base, an emptying roller is rotatably mounted on one side of the equipment vertical plate, a plastic roller is placed on the emptying roller, and a rear plastic film body is wound on the plastic roller. When a worker pulls one end of a plastic film body, a pulling roller can be driven to move under the action of pulling force, so that a positioning block is driven to move downwards, a discharging roller can freely rotate, conveying and discharging of the plastic film body can be achieved, discharging and conveying can be achieved under the action of pulling force, and after discharging is stopped, under the action of an extrusion spring, the plastic film body can be extruded. When the plastic film body rotates, the positioning clamping teeth are driven to be clamped on the rotating gear, the position of the discharging roller is positioned, so that the plastic roll stops rotating, and the situation that the plastic film body is disordered or wound due to the fact that the plastic roll is driven to rotate all the time by discharging rotating inertia is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic roll unwinding, in particular to a unwinding device of a plastic film rolling machine. Background Art

[0002] Plastic film is made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins. Plastic film is formed by heating and melting plastic particles and then extruding and blowing them through a film blowing machine. The plastic can be rolled up by a film rolling machine. At the same time, the plastic can be placed on the film rolling machine for unloading.

[0003] When unwinding the plastic film, the rolled plastic film is placed on a unwinding roller, and the unwinding operation of the plastic is achieved by pulling. During the unwinding process, the pulling of the plastic will drive the rolled plastic roll to rotate. When the pulling stops, the plastic roll will continue to rotate due to inertia, resulting in disorder or entanglement of the plastic film. Therefore, a unwinding device for a plastic film rolling machine is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a material discharge device for a plastic film rolling machine, which is used to solve the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A material discharge device of a plastic film rolling machine comprises an equipment base, a equipment vertical plate is fixedly installed on one side of the equipment base, a material discharge roller is rotatably installed on one side of the equipment vertical plate, a plastic roller is placed on the material discharge roller, a plastic film body is wound on the plastic roller, a pulling roller is installed on the equipment base through a moving component, the plastic film body is movably installed on the pulling roller, a positioning block is installed on one side of the equipment vertical plate through a limiting component, the positioning block and the material discharge roller are connected through the positioning component, and the bottom side of the positioning block is connected to the moving component through the pulling component.

[0007] Preferably, the moving assembly includes two guide columns fixedly mounted on the top side of the equipment base, and guide blocks are rotatably mounted on both ends of the pulling roller, and the two guide blocks are movably sleeved on the two guide columns respectively.

[0008] Preferably, the pulling assembly includes a lower pull rod fixedly mounted on the bottom side of the positioning block, a pulling rod is rotatably mounted on the bottom end of the lower pull rod, a driving column is rotatably mounted on one end of the pulling rod, and one end of the driving column is fixedly connected to a guide block.

[0009] Preferably, the positioning assembly includes a rotating gear fixedly sleeved on the discharge roller, an arc groove is opened on the top side of the positioning block, a plurality of positioning teeth are fixedly installed on the top side of the arc groove, and the rotating gear meshes with the plurality of positioning teeth.

[0010] Preferably, the limiting assembly includes two groups of fixed plates fixedly mounted on one side of the equipment vertical plate, sliding columns are fixedly mounted between the two groups of fixed plates, sliding blocks are fixedly mounted on both sides of the positioning block, and the two sliding blocks are slidably mounted on the two sliding columns respectively.

[0011] Preferably, one end of a compression spring is fixedly mounted on the bottom side of the sliding block, the other end of the compression spring is fixedly mounted on one side of a fixed plate, and the compression spring is movably sleeved on the sliding column.

[0012] Preferably, an auxiliary roller is rotatably mounted on one side of the vertical plate of the equipment, and the plastic film body is movably mounted on the auxiliary roller.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the unloading device of the plastic film rolling machine places the rolled plastic on the unloading roller on the plastic film rolling machine. When unloading, the staff pulls one end of the plastic film body, and the pulling force drives the pulling roller to move, thereby driving the guide block to move. Under the action of the pulling component, the positioning block can be driven to move downward. After the positioning block moves downward, the unloading roller will be able to rotate freely, and the plastic film body can be conveyed and unloaded. Under the action of the pulling force, the unloading conveyance can be achieved. When the unloading stops, the pulling force disappears. At this time, under the action of the extrusion spring, the positioning block will be driven to move upward, and the positioning tooth will be stuck on the rotating gear, thereby positioning the unloading roller, so that the plastic roll stops rotating, avoiding the rotational inertia of the unloading, which will drive the plastic roll to rotate continuously, causing the plastic film body to be disordered or entangled, and the plastic roll will rotate as the unloading is pulled. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a left-side perspective structural diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model from the right side;

[0016] Figure 3 It is a schematic diagram of the structure of the utility model in cross section;

[0017] Figure 4 It is a schematic diagram of the structure of a partial section of the utility model.

[0018] In the figure: 1. Equipment base; 2. Equipment vertical plate; 3. Discharging roller; 4. Plastic roller; 5. Plastic film body; 6. Auxiliary roller; 7. Guide column; 8. Guide block; 9. Pulling roller; 10. Sliding column; 11. Sliding block; 12. Extrusion spring; 13. Positioning block; 14. Arc groove; 15. Positioning tooth; 16. Rotating gear; 17. Lower pull rod; 18. Pull rod; 19. Driving column. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example: Refer to Figure 1-4 , a discharging device of a plastic film rolling machine, comprising an equipment base 1, an equipment vertical plate 2 is fixedly installed on one side of the equipment base 1, a discharging roller 3 is rotatably installed on one side of the equipment vertical plate 2, a plastic roller 4 is placed on the discharging roller 3, a plastic film body 5 is wound on the plastic roller 4, a pulling roller 9 is installed on the equipment base 1 through a moving component, the plastic film body 5 is movably installed on the pulling roller 9, a positioning block 13 is installed on one side of the equipment vertical plate 2 through a limiting component, the positioning block 13 and the discharging roller 3 are connected through a positioning component, the bottom side of the positioning block 13 is connected to the moving component through a pulling component, an auxiliary roller 6 is rotatably installed on one side of the equipment vertical plate 2, the plastic film body 5 is movably installed on the auxiliary roller 6, the rolled plastic is placed on the discharging roller 3 on the plastic film rolling machine, and then one end of the plastic film body 5 is pulled out from the plastic roll and passes through the auxiliary roller 6 and the pulling roller 9 in sequence, the setting of the auxiliary roller 6 can adjust the conveying position of the plastic film body 5, so that the plastic film body 5 can be well located on the pulling roller 9.

[0021] Specifically, the moving assembly includes two guide columns 7 fixedly mounted on the top side of the equipment base 1, and guide blocks 8 are rotatably mounted on both ends of the pulling roller 9. The two guide blocks 8 are movably sleeved on the two guide columns 7 respectively. When discharging the material, the staff pulls one end of the plastic film body 5. After pulling, there will be a certain pulling force, which will not cause damage to the plastic film body 5, and will drive the pulling roller 9 to move. The set guide columns 7 and guide blocks 8 can limit the movement of the pulling roller 9.

[0022] Specifically, the pulling assembly includes a lower pull rod 17 fixedly mounted on the bottom side of the positioning block 13, a pulling rod 18 is rotatably mounted on the bottom end of the lower pull rod 17, a driving column 19 is rotatably mounted on one end of the pulling rod 18, and one end of the driving column 19 is fixedly connected to a guide block 8. The positioning assembly includes a rotating gear 16 fixedly sleeved on the discharge roller 3, an arc groove 14 is opened on the top side of the positioning block 13, and a plurality of positioning teeth 15 are fixedly mounted on the top side of the arc groove 14, and the rotating gear 16 meshes with the plurality of positioning teeth 15. The limit assembly includes two sets of fixed plates fixedly mounted on one side of the equipment vertical plate 2, a sliding column 10 is fixedly mounted between the two sets of fixed plates, a sliding block 11 is fixedly mounted on both sides of the positioning block 13, and the two sliding blocks 11 are slidably mounted on the two sliding columns 10 respectively, one end of the extrusion spring 12 is fixedly mounted on the bottom side of the sliding block 11, and the other end of the extrusion spring 12 is fixedly mounted on one side of a fixed plate, and the extrusion spring 12 is movably sleeved on the sliding column 10. After the guide block 8 moves, it will pull Under the action of the assembly, the driving column 19 on the pulling assembly moves synchronously, thereby driving the pulling rod 18 to move, and driving the positioning block 13 to move downward. After the positioning block 13 moves downward, it will drive the positioning tooth 15 on the positioning assembly to move downward, and the positioning tooth 15 will be separated from the rotating gear 16, and the discharge roller 3 will be able to rotate freely. At this time, after the positioning block 13 moves downward, it will compress the extrusion spring 12. The sliding column 10 and the sliding block 11 can vertically limit the movement of the positioning block 13. After the discharge roller 3 rotates, the plastic film can be realized. The conveying and unloading of the main body 5 can be carried out under the action of tension. When the unloading stops, the tension disappears. At this time, under the action of the extrusion spring 12, the positioning block 13 will be driven to move up, and the positioning tooth 15 will be stuck on the rotating gear 16, so as to locate the position of the unloading roller 3. The unloading roller 3 stops rotating, so that the plastic roll stops rotating, avoiding the rotation inertia of the unloading, which will drive the plastic roll to rotate continuously, causing the plastic film body 5 to be disordered or entangled, and the plastic roll will rotate with the unloading pull.

[0023] During use: the plastic film rolling machine can realize the winding and unwinding operations of plastic. When unwinding the plastic, the rolled plastic is placed on the unwinding roller 3 on the plastic film rolling machine, and then one end of the plastic film body 5 is pulled out from the plastic roll and passes through the auxiliary roller 6 and the pulling roller 9 in sequence. The setting of the auxiliary roller 6 can adjust the conveying position of the plastic film body 5 so that the plastic film body 5 can be well located on the pulling roller 9. When unwinding, the staff pulls one end of the plastic film body 5. After pulling, there will be a certain pulling force, which will not cause damage to the plastic film body 5, and will drive the pulling roller 9 to move. The guide column 7 and guide block 8 set can limit the movement of the pulling roller 9. After the guide block 8 moves, it will be under the action of the pulling assembly. The driving column 19 on the pulling assembly moves synchronously, thereby driving the pulling rod 18 to move, and driving the positioning block 13 to move downward, and the positioning block 13 After moving down, it will drive the positioning tooth 15 on the positioning assembly to move down, and the positioning tooth 15 will be separated from the rotating gear 16, and the feeding roller 3 will be able to rotate freely. At this time, after the positioning block 13 moves down, it will compress the extrusion spring 12. The provided sliding column 10 and sliding block 11 can vertically limit the movement of the positioning block 13. After the feeding roller 3 rotates, the conveying and discharging of the plastic film body 5 can be realized. Under the action of the pulling force, the material can be discharged and transported. When the material discharging stops, the pulling force disappears. At this time, under the action of the extrusion spring 12, the positioning block 13 will be driven to move up, and the positioning tooth 15 will be stuck on the rotating gear 16, thereby positioning the position of the feeding roller 3, and the feeding roller 3 stops rotating, so that the plastic roll stops rotating, avoiding the rotation inertia of the material discharging, which will drive the plastic roll to rotate continuously, resulting in the plastic film body 5 being disordered or entangled. The plastic roll will rotate with the material discharging, which is convenient to use.

[0024] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A material discharging device for a plastic film rolling machine, comprising a device base (1), characterized in that: A device upright plate (2) is fixedly mounted on one side of the device base (1), a feeding roller (3) is rotatably mounted on one side of the device upright plate (2), a plastic roller (4) is placed on the feeding roller (3), a plastic film body (5) is wound on the plastic roller (4), a pulling roller (9) is mounted on the device base (1) via a moving assembly, the plastic film body (5) is movably mounted on the pulling roller (9), a positioning block (13) is mounted on one side of the device upright plate (2) via a limiting assembly, the positioning block (13) and the feeding roller (3) are connected via the positioning assembly, and the bottom side of the positioning block (13) is connected to the moving assembly via a pulling assembly.

2. The unloading device of a plastic film rolling machine according to claim 1, characterized in that: The moving assembly comprises two guide columns (7) fixedly mounted on the top side of the equipment base (1), and guide blocks (8) are rotatably mounted on both ends of the pulling roller (9), and the two guide blocks (8) are movably sleeved on the two guide columns (7) respectively.

3. The unloading device of a plastic film rolling machine according to claim 2, characterized in that: The pulling assembly comprises a lower pull rod (17) fixedly mounted on the bottom side of the positioning block (13), a pulling rod (18) being rotatably mounted on the bottom end of the lower pull rod (17), a driving column (19) being rotatably mounted on one end of the pulling rod (18), and one end of the driving column (19) being fixedly connected to a guide block (8).

4. The unloading device of a plastic film rolling machine according to claim 1, characterized in that: The positioning assembly comprises a rotating gear (16) fixedly sleeved on the discharge roller (3); an arc groove (14) is provided on the top side of the positioning block (13); a plurality of positioning teeth (15) are fixedly mounted on the top side of the arc groove (14); and the rotating gear (16) meshes with the plurality of positioning teeth (15).

5. The unloading device of a plastic film rolling machine according to claim 1, characterized in that: The limit assembly comprises two groups of fixed plates fixedly mounted on one side of the equipment vertical plate (2), a sliding column (10) is fixedly mounted between the two groups of fixed plates, and sliding blocks (11) are fixedly mounted on both sides of the positioning block (13), and the two sliding blocks (11) are respectively slidably mounted on the two sliding columns (10).

6. A material discharge device for a plastic film rolling machine according to claim 5, characterized in that: One end of a pressing spring (12) is fixedly mounted on the bottom side of the sliding block (11), and the other end of the pressing spring (12) is fixedly mounted on one side of a fixed plate. The pressing spring (12) is movably sleeved on the sliding column (10).

7. The unloading device of a plastic film rolling machine according to claim 1, characterized in that: An auxiliary roller (6) is rotatably mounted on one side of the equipment vertical plate (2), and the plastic film body (5) is movably mounted on the auxiliary roller (6).

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