Calender provided with edge cutting structure and used for PVC film production

Abstract

The utility model relates to the technical field of PVC (polyvinyl chloride) film production, in particular to a calender with an edge cutting structure for PVC film production, which comprises a bottom plate and a first bent plate, the upper end of the bottom plate is fixedly connected with the bent plate, a tension adjusting structure is arranged in the first bent plate, the right side of the upper end of the bottom plate is fixedly connected with a base, and the right side of the lower end of the bottom plate is fixedly connected with the edge cutting structure. A hydraulic cylinder is fixedly connected to the inner wall of the second bent plate, a third bent plate is fixedly connected to the output end of the hydraulic cylinder, and an edge cutting structure is arranged below the third bent plate. Through cooperation of the tension adjusting structure and the first round roller, the tension of a PVC film penetrating through the device is adjusted, the PVC film is straightened, wrinkles are prevented from being generated in the conveying and machining process, the production quality of the PVC film is improved, through cooperation of the edge cutting structure and the hydraulic cylinder, edge cutting can be conducted on the PVC film while continuous PVC film calendaring work is conducted, edge cutting can be directly conducted on the PVC film, and the production efficiency is improved. The working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PVC film production technical field, concretely is PVC film production is rolled out with the calender of edge cutting structure. BACKGROUND

[0002] The calender is a kind of plastic processing machinery, mainly for the plastic sheeting calender into film, board or sheeting. It is composed of two or more roller, these roller is arranged according to certain form, through pressure, plastic material is pressed and spread into the thickness and surface shape required.

[0003] For example, the announcement number is "CN211795630U " a kind of PVC film production is rolled out with the calender, by two can be simultaneously opposite close or far positioning seat, can be positioned when film calendering discharging, guarantee the positioning stability of winding. But the device is not provided with the structure of adjusting PVC film tension, PVC film texture is soft, fold in the conveying process, cause fold when winding, affect the production quality of PVC film, simultaneously, after PVC film calendering, PVC film two sides are not neat, need to cut the edge of PVC film two sides, to ensure that PVC film is neat, the device is not provided with the structure of cutting the edge of PVC film, need to cut the edge manually or by other device, low working efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem of fold when winding, affect the production quality of PVC film, and need to cut the edge manually or by other device, low working efficiency, and provides a kind of PVC film production is rolled out with the calender of edge cutting structure.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] Design a kind of PVC film production is rolled out with the calender of edge cutting structure, including bottom plate and first bent plate, the upper end of bottom plate is fixedly connected with bent plate, the inside of first bent plate is equipped with tension adjusting structure, the upper end right side of bottom plate is fixedly connected with base, the upper end of base is fixedly connected with second bent plate, the inner wall of second bent plate is fixedly connected with hydraulic cylinder, the output of hydraulic cylinder is fixedly connected with third bent plate, the lower of third bent plate is equipped with edge cutting structure.

[0007] Preferably, the tension adjusting structure includes a first motor, the first motor is fixedly connected with the rear end of the first bent plate, the output of the first motor is fixedly connected with a threaded rod, the threaded rod is rotatably connected with a straight plate at both ends through bearings, the end of the straight plate is fixedly connected with the first bent plate, the threaded rod is threadedly connected with a threaded block, the end of the threaded block is fixedly connected with a fourth bent plate, the fourth bent plate is rotatably connected with both ends of a third roller through bearings.

[0008] Preferably, the outer wall of the threaded block is slidably connected to the first bent plate, and the front end of the fourth bent plate is slidably connected to the first bent plate.

[0009] Preferably, the trimming structure includes a housing, a second motor is fixedly connected to the upper end of the housing, the output shaft of the second motor is rotatably connected to the housing via a bearing, a circular plate is fixedly connected to the output end of the second motor, the two sides of the circular plate are movably connected to a connecting rod via pins, the connecting rod is slidably connected to a slider via pins, and a cutting blade is installed at the lower end of the slider.

[0010] Preferably, the upper end of the box is fixedly connected to the third curved plate, and the outer wall of the slider is slidably connected to the box.

[0011] Preferably, the inner wall of the first curved plate is rotatably connected to two first rollers via bearings, the base is rotatably connected to two second rollers via bearings, and the calender body is provided on the upper left side of the base plate.

[0012] The present invention proposes a calender for producing PVC film with an edge trimming structure. The advantages are as follows: through the cooperation of the tension adjustment structure and the first roller, the first motor drives the threaded rod to rotate, the rotation of the threaded rod drives the threaded block to move, the movement of the threaded block drives the fourth bending plate to move, and the movement of the fourth bending plate drives the third roller to move, thereby adjusting the tension of the PVC film passing through the device, straightening the PVC film, preventing wrinkles from occurring during conveying and processing, and improving the production quality of the PVC film.

[0013] Through the cooperation of the trimming structure and the hydraulic cylinder, the second motor drives the circular plate to rotate. The rotation of the circular plate drives the connecting rod to move, which in turn drives the slider to move. The slider then drives the cutting blade to move. The distance between cuts is adjusted according to the width of the PVC film. Then, the second motor is turned off, and the hydraulic cylinder is started. The output end of the hydraulic cylinder extends, causing the third bending plate to move downward. The downward movement of the third bending plate causes the trimming structure to move downward, lowering the cutting blade to a suitable height. The hydraulic cylinder is then turned off. This allows for continuous PVC film calendering while simultaneously trimming the PVC film, directly trimming the edges and improving work efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 for Figure 1 The front view;

[0016] Figure 3 for Figure 2 A partial sectional view;

[0017] Figure 4 for Figure 1 A partial left-side sectional view;

[0018] Figure 5 for Figure 1 A partial bottom view;

[0019] Figure 6 for Figure 1 A partial right-side sectional view.

[0020] In the diagram: 1. Base plate, 2. First curved plate, 3. Tension adjustment structure, 301. First motor, 302. Threaded rod, 303. Straight plate, 304. Threaded block, 305. Fourth curved plate, 306. Third roller, 4. First roller, 5. Base, 6. Second curved plate, 7. Hydraulic cylinder, 8. Third curved plate, 9. Trimming structure, 901. Box body, 902. Second motor, 903. Circular plate, 904. Connecting rod, 905. Slider, 906. Cutting knife, 10. Second roller, 11. Calender body. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings:

[0022] See attached document Figures 1-6 :

[0023] In this embodiment, a calender for producing PVC film with an edge trimming structure includes a base plate 1 and a first bending plate 2. The upper end of the base plate 1 is fixedly connected to the bending plate 2. The first bending plate 2 has a tension adjustment structure 3 inside. A base 5 is fixedly connected to the upper right side of the base plate 1. A second bending plate 6 is fixedly connected to the upper end of the base 5. A hydraulic cylinder 7 is fixedly connected to the inner wall of the second bending plate 6. The model of the hydraulic cylinder 7 is selected according to the actual working requirements. A third bending plate 8 is fixedly connected to the output end of the hydraulic cylinder 7. An edge trimming structure 9 is provided below the third bending plate 8. Moving the output end of the hydraulic cylinder 7 can drive the third bending plate 8 to move, and at the same time drive the edge trimming structure 9 to move. The inner wall of the first bending plate 2 is rotatably connected to two first rollers 4 through bearings. The base 5 is rotatably connected to two second rollers 10 through bearings. A calender body 11 is provided on the upper left side of the base plate 1. The working method of the calender body 11 is the same as that in the announcement number "CN211795630U", and will not be described in detail here.

[0024] See attached document Figures 1-4 :

[0025] The tension adjusting structure 3 comprises a first motor 301, the model of the first motor 301 is selected according to actual working requirements, and the working requirements are met. The first motor 301 is fixedly connected with the rear end of the first bent plate 2. A threaded rod 302 is fixedly connected with the output end of the first motor 301. Both ends of the threaded rod 302 are rotatably connected with a straight plate 303 through bearings. The end of the straight plate 303 is fixedly connected with the first bent plate 2. The output shaft of the first motor 301 can drive the threaded rod 302 to rotate. The threaded rod 302 is screwed with a threaded block 304. The outer wall of the threaded block 304 is slidably connected with the first bent plate 2. The threaded rod 302 can drive the threaded block 304 to move. The end of the threaded block 304 is fixedly connected with a fourth bent plate 305. The fourth bent plate 305 is rotatably connected with both ends of a third round roller 306 through bearings. The front end of the fourth bent plate 305 is slidably connected with the first bent plate 2. The threaded block 304 can drive the fourth bent plate 305 to move, and simultaneously drive the third round roller 306 to move.

[0026] With reference to the accompanying drawings Figures 1-3 and 5-6:

[0027] The edge cutting structure 9 comprises a box body 901. The upper end of the box body 901 is fixedly connected with the third bent plate 8. A second motor 902 is fixedly connected with the upper end of the box body 901. The second motor 902 is a servo motor and has a self-locking function. The specific model is selected according to actual working requirements, and the working requirements are met. The output shaft of the second motor 902 is rotatably connected with the box body 901 through a bearing. The output end of the second motor 902 is fixedly connected with a round plate 903. The output shaft of the second motor 902 can drive the round plate 903 to rotate. The two sides of the round plate 903 are movably connected with connecting rods 904 through pin shafts. The connecting rods 904 are slidably connected with sliding blocks 905 through pin shafts. The outer wall of the sliding block 905 is slidably connected with the box body 901. The round plate 903 can drive the connecting rods 904 to move, and simultaneously drive the sliding blocks 905 to move. The lower end of the sliding block 905 is provided with a cutting knife 906. The sliding block 905 can drive the cutting knife 906 to move.

[0028] Working principle:

[0029] First, the PVC film output by the calendering machine body 11 passes through the upper side of the left first round roller 4, the lower side of the third round roller 306, the upper side of the right first round roller 4 and the upper side of the two second round rollers 10 in sequence, and is fixed at one end on the PVC film winding device (such as Figure 3 ), to prepare for the calendering work of the PVC film.

[0030] Tension adjusting work:

[0031] The external power supply of the first motor 301 is turned on, the first motor 301 is started to drive the threaded rod 302 to rotate, the threaded rod 302 is driven to move the threaded block 304, the threaded block 304 is driven to move the fourth bent plate 305, the fourth bent plate 305 is driven to move the third round roller 306, the tension of the PVC film passing through the device is adjusted, the PVC film is straightened, and wrinkles are prevented from being generated during conveying and processing.

[0032] Edge cutting work;

[0033] First, the external power supply of the second motor 902 is turned on, the second motor 902 is started to drive the round plate 903 to rotate, the round plate 903 is driven to move the connecting rod 904, the connecting rod 904 is driven to move the sliding block 905, the sliding block 905 is driven to move the cutting knife 906, the distance between the cutting knives 906 is adjusted according to the width of the PVC film, then the second motor 902 (the second motor 902 is a servo motor and has self-locking capability) is turned off, the hydraulic cylinder 7 is started, the output end of the hydraulic cylinder 7 is elongated to drive the third bent plate 8 to move downwards, the third bent plate 8 is driven to move downwards to drive the edge cutting structure 9 to move downwards, the cutting knife 906 is lowered to a proper height, the hydraulic cylinder 7 is turned off, continuous PVC film calendering work can be carried out, and the PVC film is cut.

[0034] Although the utility model has been illustrated and described by referring to preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of claims.

Claims

1. A calender for PVC film production provided with an edge cutting structure, comprising a base plate (1) and a first bending plate (2), the upper end of the base plate (1) being fixedly connected with the bending plate (2), characterized in that: The inside of the first bending plate (2) is provided with a tension adjusting structure (3), the upper end right side of the bottom plate (1) is fixedly connected with a base (5), the upper end of the base (5) is fixedly connected with a second bending plate (6), the inner wall of the second bending plate (6) is fixedly connected with a hydraulic cylinder (7), the output end of the hydraulic cylinder (7) is fixedly connected with a third bending plate (8), and the lower side of the third bending plate (8) is provided with an edge cutting structure (9).

2. The calender for PVC film production provided with an edge cutting structure according to claim 1, characterized in that: The tension adjusting structure (3) comprises a first motor (301), the output end of the first motor (301) is fixedly connected with a threaded rod (302), the threaded rod (302) is rotatably connected with a straight plate (303) through bearings at both ends, the end of the straight plate (303) is fixedly connected with the first bending plate (2), the threaded rod (302) is screw connected with a threaded block (304), the end of the threaded block (304) is fixedly connected with a fourth bending plate (305), and the fourth bending plate (305) is rotatably connected with both ends of a third circular roller (306) through bearings.

3. The calender for PVC film production provided with an edge cutting structure according to claim 2, characterized in that: The outer wall of the threaded block (304) is slidably connected with the first bending plate (2), and the front end of the fourth bending plate (305) is slidably connected with the first bending plate (2).

4. The calender for PVC film production provided with an edge cutting structure according to claim 1, characterized in that: The edge cutting structure (9) comprises a box body (901), the upper end of the box body (901) is fixedly connected with a second motor (902), the output shaft of the second motor (902) is rotatably connected with the box body (901) through a bearing, the output end of the second motor (902) is fixedly connected with a circular plate (903), the two sides of the circular plate (903) are movably connected with connecting rods (904) through pin shafts, the connecting rods (904) are slidably connected with sliding blocks (905) through pin shafts, and the lower end of the sliding block (905) is provided with a cutting knife (906).

5. The calender for PVC film production provided with an edge cutting structure according to claim 4, characterized in that: The upper end of the box body (901) is fixedly connected with the third bending plate (8), and the outer wall of the sliding block (905) is slidably connected with the box body (901).

6. The calender for PVC film production provided with an edge cutting structure according to claim 1, characterized in that: The inner wall of the first bending plate (2) is rotatably connected with two first circular rollers (4) through bearings, the base (5) is rotatably connected with two second circular rollers (10) through bearings, and the upper left side of the bottom plate (1) is provided with a calender body (11).

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