Cutting device for plastic film production

Abstract

The utility model relates to the technical field of plastic film production, in particular to a cutting device for plastic film production, which comprises a mounting frame, a fixing plate is welded at the top of the mounting frame, and a first fixing frame is connected to the rear side of the top of the fixing plate through bolts. According to the plastic film cooling device, a plastic film which is just produced penetrates through the space between the guide roller and the lower pressing roller, then penetrates through the space between the first cooling shell and the second cooling shell and finally penetrates through the space between the driving roller and the positioning roller, elastic force is provided for the first movable frame and the lower pressing roller through the first spring, and the lower pressing roller presses the plastic film downwards; guiding is conducted through a guide roller and a lower pressing roller, in the moving process of the plastic film, cooling water in a cooling box is cooled through a refrigerator, the cooling water in the cooling box is pumped out through a water pump, the cooling water is injected into a second cooling shell and a first cooling shell, and the plastic film is cooled through the second cooling shell and the first cooling shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic film production, specifically to a cutting device for plastic film production. BACKGROUND

[0002] Plastic film manufacturing refers to the manufacturing of agricultural covering, industrial, commercial and daily packaging film, and the plastic film needs to be cut during production, so a cutting device is needed.

[0003] After searching, the publication number is CN212355938U, and the name is a slitting device for plastic film production, including a fixed base, through research and analysis, it is found that although it has the advantages of cutting plastic film by rotating cutting knife, better than general cutting method, making the cutting surface of plastic film more flat, and the device is simple to manufacture and convenient to cut, but to some extent, it still has the following shortcomings.

[0004] For example, the device is usually directly cutting the freshly produced plastic film during use, and the temperature of the freshly produced plastic film is relatively high, which is easy to cut the plastic film due to its softness during cutting, and it is not convenient for workers to use, in order to solve the above technical problems, therefore we design a cutting device for plastic film production. UTILITY MODEL CONTENTS

[0005] The utility model is to provide a cutting device for plastic film production, which has the advantage of cooling the plastic film, and solves the problem that the device is usually directly cutting the freshly produced plastic film during use, and the temperature of the freshly produced plastic film is relatively high, which is easy to cut the plastic film due to its softness during cutting, and it is not convenient for workers to use.

[0006] To achieve the above object, the utility model provides the following technical scheme: A cutting device for plastic film production, fixed plate is welded on the top of mounting bracket, the rear side of fixed plate top is connected with first fixed frame through bolt, the inner chamber of first fixed frame is rotatably connected with guide roller, the inner chamber of first fixed frame is provided with positioning assembly, positioning assembly includes driving plate, the bottom of driving plate is welded with second spring, the bottom of second spring is welded with first cooling shell, the top of fixed plate is connected with second cooling shell through bolt, the surface of mounting bracket is connected with cooling box through bolt, the top of cooling box is connected with water pump through bolt, the right side of cooling box is connected with refrigerating machine through bolt, the top of fixed plate is connected with second fixed frame through bolt, the inner chamber of second fixed frame is rotatably connected with drive roller, the top of second fixed frame is provided with threaded rod, the bottom of threaded rod is rotatably connected with second movable frame, the inner chamber of second movable frame is rotatably connected with positioning roller, the top of second fixed frame is provided with electric telescopic handle, the bottom of electric telescopic handle is connected with cutting knife through bolt.

[0007] Preferably, the positioning assembly includes a first spring, the top of the first spring is welded with the first fixed frame, the bottom of the first spring is welded with a first movable frame, the inner chamber of the first movable frame is rotatably connected with a pressing roller, and the front side of the pressing roller is welded with the driving plate.

[0008] Preferably, the top of the first fixed frame is provided with a guide rod, the surface of the guide rod is slidably connected with the first fixed frame, and the top of the guide rod is connected with a handle through a bolt.

[0009] Preferably, the top of the driving plate is provided with a guide pin, and the bottom of the guide pin is connected with the first cooling shell through a bolt.

[0010] Preferably, the water suction pipe of the water pump is communicated with the cooling box through a pipeline, the water outlet pipe of the water pump is communicated with the second cooling shell through a pipeline, the right side of the second cooling shell is communicated with an extension tube, the left side of the extension tube is communicated with the first cooling shell, and the top of the first cooling shell is communicated with the cooling box through a pipeline.

[0011] Preferably, the top of the cooling box is communicated with a water filling pipe, the top of the water filling pipe is threadedly sleeved with a first pipe cover, the right side of the cooling box is communicated with a drain pipe, and the right side of the drain pipe is threadedly sleeved with a second pipe cover.

[0012] Preferably, the front side of the mounting bracket is connected with a flow guide pad through a bolt, and the surface of the drive roller is slidably connected with the flow guide pad.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1. The utility model discloses a plastic film is worn through the guide roller and the down pressure roller between just production, then it is worn through the first cooling shell and the second cooling shell between, finally it is worn through the drive roller and the positioning roller between, the first spring is provided to the first movable frame and the down pressure roller with the elastic force through the first spring, and the down pressure roller carries out the down pressure to the plastic film, and the guide roller and the down pressure roller are guided, and the second movable frame and the positioning roller are made up and down movement through the rotation threaded rod, and the plastic film is carried out the down pressure through the positioning roller, and the surface of drive roller is closely contacted with the plastic film, and the drive roller is rotated through the transmission shaft of motor, and the plastic film is pushed through the drive roller, and the plastic film is pushed out the appropriate length after, and the cutting knife is made up and down movement through the electric telescopic link, and the plastic film is cut through the cutting knife.

[0015] 2. The utility model discloses a plastic film moves in the process, and the cooling water in cooling box is cooled through the refrigerator, and the cooling water in cooling box is pumped out through the water pump, and the cooling water is injected into the second cooling shell and the first cooling shell, and the plastic film is cooled through the second cooling shell and the first cooling shell, prevent the plastic film from being cut and being damaged because being too soft. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the structure side view of the utility model structure;

[0017] Figure 2 It is the solid drawing of the utility model second fixed frame and cutting knife;

[0018] Figure 3 It is the solid drawing of the utility model drive plate and water pump;

[0019] Figure 4 It is the solid drawing of the utility model first fixed frame and drive plate.

[0020] In the drawing: 1, mounting frame;2, fixed plate;3, first fixed frame;4, guide roller;5, first spring;6, first movable frame;7, down pressure roller;8, drive plate;9, second spring;10, first cooling shell;11, second cooling shell;12, cooling box;13, refrigerator;14, water pump;15, second fixed frame;16, threaded rod;17, second movable frame;18, positioning roller;19, drive roller;20, motor;21, electric telescopic link;22, cutting knife;23, positioning assembly. DETAILED DESCRIPTION

[0021] Please refer to Figures 1-4The application discloses a cutting device for plastic film production, which comprises a mounting frame 1, a fixed plate 2 welded on the top of the mounting frame 1, a first fixed frame 3 connected to the rear side of the top of the fixed plate 2 through bolts, a guide roller 4 rotatably connected to the inner cavity of the first fixed frame 3, a positioning assembly 23 arranged in the inner cavity of the first fixed frame 3, the positioning assembly 23 comprising a driving plate 8, a second spring 9 welded on the bottom of the driving plate 8, a first cooling shell 10 welded on the bottom of the second spring 9, a second cooling shell 11 connected to the top of the fixed plate 2 through bolts, a cooling box 12 connected to the surface of the mounting frame 1 through bolts, a water pump 14 connected to the top of the cooling box 12 through bolts, a refrigerating device 13 connected to the right side of the cooling box 12 through bolts, a second fixed frame 15 connected to the top of the fixed plate 2 through bolts, a driving roller 19 rotatably connected to the inner cavity of the second fixed frame 15, a threaded rod 16 penetrating through the top of the second fixed frame 15, a second movable frame 17 rotatably connected to the bottom of the threaded rod 16, a positioning roller 18 rotatably connected to the inner cavity of the second movable frame 17, and a cutting knife 22 connected to the bottom of the electric telescopic rod 21.

[0022] Please refer to Figure 1 and Figure 4 The positioning assembly 23 comprises a first spring 5, the top of the first spring 5 is welded to the first fixed frame 3, the bottom of the first spring 5 is welded to a first movable frame 6, the inner cavity of the first movable frame 6 is rotatably connected to a pressing roller 7, the first spring 5 can provide elastic force for the first movable frame 6 and the pressing roller 7, the plastic film can be pressed and guided, and the front side of the pressing roller 7 is welded to the driving plate 8.

[0023] Please refer to Figure 1 and Figure 4 The top of the first fixed frame 3 penetrates a guide rod, the surface of the guide rod is slidably connected to the first fixed frame 3, and the top of the guide rod is connected to a handle through bolts, the guide rod and the handle can be used to pull the first movable frame 6 and the pressing roller 7, separate the guide roller 4 and the pressing roller 7, and pass the plastic film between the guide roller 4 and the pressing roller 7.

[0024] Please refer to Figure 1 The top of the driving plate 8 penetrates a guide pin, the guide pin can be used to guide the first cooling shell 10 and stably move the first cooling shell 10, and the bottom of the guide pin is connected to the first cooling shell 10 through bolts.

[0025] Please refer to Figure 1 and Figure 3The water suction pipe of the water pump 14 is communicated with the cooling box 12 through a pipeline, the water outlet pipe of the water pump 14 is communicated with the second cooling shell 11 through a pipeline, the right side of the second cooling shell 11 is communicated with an elastic pipe, through the setting of the elastic pipe, the first cooling shell 10 and the second cooling shell 11 can be conveniently communicated, the cooling water can be conveniently injected into the first cooling shell 10 and the second cooling shell 11, the left side of the elastic pipe is communicated with the first cooling shell 10, and the top of the first cooling shell 10 is communicated with the cooling box 12 through a pipeline.

[0026] Please refer to Figure 1 and Figure 3 The top of the cooling box 12 is communicated with a water filling pipe, the top of the water filling pipe is threadedly sleeved with a first pipe cover, and the right side of the cooling box 12 is communicated with a drain pipe. Through the setting of the water filling pipe and the drain pipe, the water in the cooling box 12 can be conveniently discharged and replaced, and the cooling water in the cooling box 12 can be conveniently kept sufficient. The right side of the drain pipe is threadedly sleeved with a second pipe cover.

[0027] Please refer to Figure 1 The front side of the mounting frame 1 is connected with a flow guide pad through bolts. Through the setting of the flow guide pad, the cut plastic film can be conveniently guided and taken, and the driving roller 19 is in sliding connection with the flow guide pad.

[0028] In use, the device is controlled by an external controller, the plastic film just produced is passed between the guide roller 4 and the pressing roller 7, then passed between the first cooling shell 10 and the second cooling shell 11, and finally passed between the driving roller 19 and the positioning roller 18. The first spring 5 provides elastic force for the first movable frame 6 and the pressing roller 7, so that the pressing roller 7 presses the plastic film. The plastic film is guided by the guide roller 4 and the pressing roller 7. The second movable frame 17 and the positioning roller 18 are driven to move up and down by rotating the threaded rod 16. The positioning roller 18 presses the plastic film, so that the surface of the driving roller 19 is in close contact with the plastic film. The driving roller 19 is driven to rotate by the transmission shaft of the motor 20. The plastic film is pushed by the driving roller 19. After the plastic film is pushed out to a proper length, the cutting knife 22 is driven to move up and down by the electric telescopic rod 21. The plastic film is cut by the cutting knife 22. In the moving process of the plastic film, the cooling water in the cooling box 12 is cooled by the refrigerator 13. The cooling water in the cooling box 12 is pumped out by the water pump 14 and injected into the second cooling shell 11 and the first cooling shell 10. The plastic film is cooled by the second cooling shell 11 and the first cooling shell 10, so as to prevent the plastic film from being cut and damaged due to being too soft.

[0029] In summary: the plastic film production with cutting device, through the drive roll 19, motor 20, electric telescopic rod 21, cutting knife 22 and positioning assembly 23, solved the device in the process of use, usually is directly to the plastic film that just produces cutting, just produces the temperature of plastic film will be in the higher state, in the cutting process, easy to cut bad because of the plastic film is soft, inconvenient for staff to use the problem.

Claims

1. A cutting device for plastic film production comprising a mounting frame (1), characterized in that: The top of the mounting frame (1) is welded with a fixed plate (2), the rear side of the top of the fixed plate (2) is connected with a first fixed frame (3) through bolts, the inner cavity of the first fixed frame (3) is rotatably connected with a guide roller (4), the inner cavity of the first fixed frame (3) is provided with a positioning assembly (23), the positioning assembly (23) comprises a driving plate (8), the bottom of the driving plate (8) is welded with a second spring (9), the bottom of the second spring (9) is welded with a first cooling shell (10), the top of the fixed plate (2) is connected with a second cooling shell (11) through bolts, the surface of the mounting frame (1) is connected with a cooling box (12) through bolts, the top of the cooling box (12) is connected with a water pump (14) through bolts, the right side of the cooling box (12) is connected with a refrigerator (13) through bolts, the top of the fixed plate (2) is connected with a second fixed frame (15) through bolts, the inner cavity of the second fixed frame (15) is rotatably connected with a driving roller (19), the top of the second fixed frame (15) is provided with a threaded rod (16) penetratingly, the bottom of the threaded rod (16) is rotatably connected with a second movable frame (17), the inner cavity of the second movable frame (17) is rotatably connected with a positioning roller (18), the top of the second fixed frame (15) is provided with an electric telescopic rod (21) penetratingly, the bottom of the electric telescopic rod (21) is connected with a cutting knife (22) through bolts.

2. The cutting device for plastic film production according to claim 1, characterized in that: The positioning assembly (23) comprises a first spring (5), the top of the first spring (5) is welded with the first fixed frame (3), the bottom of the first spring (5) is welded with a first movable frame (6), the inner cavity of the first movable frame (6) is rotatably connected with a pressing roller (7), the front side of the pressing roller (7) is welded with the driving plate (8).

3. The cutting device for plastic film production according to claim 2, characterized in that: The top of the first fixed frame (3) is provided with a guide rod penetratingly, the surface of the guide rod is slidably connected with the first fixed frame (3), the top of the guide rod is connected with a handle through bolts.

4. The cutting device for plastic film production according to claim 1, characterized in that: The top of the driving plate (8) is provided with a guide pin penetratingly, the bottom of the guide pin is connected with the first cooling shell (10) through bolts.

5. The cutting device for plastic film production according to claim 1, characterized in that: The water suction pipe of the water pump (14) is communicated with the cooling box (12) through a pipeline, the water outlet pipe of the water pump (14) is communicated with the second cooling shell (11) through a pipeline, the right side of the second cooling shell (11) is communicated with a telescopic pipe, the left side of the telescopic pipe is communicated with the first cooling shell (10), the top of the first cooling shell (10) is communicated with the cooling box (12) through a pipeline.

6. The cutting device for plastic film production according to claim 1, characterized in that: The top of the cooling box (12) is communicated with a water filling pipe, the top of the water filling pipe is threadedly sleeved with a first pipe cover, the right side of the cooling box (12) is communicated with a drain pipe, the right side of the drain pipe is threadedly sleeved with a second pipe cover.

7. The cutting device for plastic film production according to claim 1, characterized in that: The front side of the mounting frame (1) is connected with a flow guide pad through bolts, the surface of the driving roller (19) is slidably connected with the flow guide pad.

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