CN211333426U - Automatic film cutting device - Google Patents

Abstract

The utility model discloses an automatic film cutting device, which comprises a frame, a winding roll, a conveying roll, a film roll, a vertical rod, a rotating frame, a first air cylinder and a cutting assembly. The vertical rod is vertically fixed on the right side of the frame, one end of the rotating frame is hinged with the bottom of the vertical rod through the first rotating shaft, the cylinder end of the first cylinder is hinged with the upper part of the vertical rod, and the telescopic rod end is hinged with the middle part of the rotating frame. The cutting assembly includes a second rotating shaft, a rotating block, a connecting rod, a second air cylinder and a cutting knife. The second rotating shaft is rotatably installed at the end of the rotating frame, one end of the connecting rod is fixedly connected with the second rotating shaft, and the other end is fixedly connected with the cutting knife. The connecting rod is inclined upward relative to the rotating frame, the end of the cylinder body of the second cylinder is hinged with the side of the rotating frame, one end of the rotating block is fixedly connected with the end of the second rotating shaft, and the end of the telescopic rod of the second cylinder is connected to the rotating frame. The middle of the block is hinged. The utility model can efficiently realize the cutting and winding of the roll film, has reasonable design and strong flexibility.

Description

An automatic film cutting device

technical field

The utility model relates to the technical field of roll film cutting, in particular to an automatic film cutting device.

Background technique

Roll film is often used to make plastic bags, color printing bags, etc., which usually need to be cut according to requirements during the production or printing process. The existing roll film cutting method is mainly manual cutting, which is time-consuming and labor-intensive, has low production efficiency, and is not suitable for automatic production, and the roll film cut by manual cutting has poor flatness and quality is difficult to guarantee.

SUMMARY OF THE INVENTION

In view of the above problems, the purpose of the present invention is to provide an automatic film cutting device with simple structure and reasonable design.

In order to achieve the above purpose, the technical scheme adopted by the present utility model is as follows:

An automatic film cutting device includes a frame, a winding roll, a conveying roll, a film roll, a vertical rod, a rotating frame, a first air cylinder and a cutting assembly. The winding roll is installed on the left side of the frame and is driven to rotate by a servo motor. One end of the roll film is wound on the winding roll, and the other end is connected to the interior of the printing press through the transfer roll. The vertical pole is vertically fixed on the right side of the frame, and one end of the rotating frame is hinged with the bottom of the vertical pole through a first rotating shaft. The cylinder end of the first cylinder is hinged with the upper part of the vertical rod, and the telescopic rod end is hinged with the middle part of the rotating frame. The cutting assembly includes a second rotating shaft, a rotating block, a connecting rod, a second air cylinder and a cutter. The second rotating shaft is rotatably installed at the end of the rotating frame, one end of the connecting rod is fixedly connected with the second rotating shaft, and the other end is fixedly connected with the cutting knife, and the connecting rod is rotated relative to the The shelf is tilted up. The end of the cylinder of the second cylinder is hinged with the side of the rotating frame, one end of the rotating block is fixedly connected with the end of the second rotating shaft, and the end of the telescopic rod of the second cylinder is hinged with the middle of the rotating block And can drive the cutter to rotate and cut the roll film.

Further, a pressing component is also included, and the pressing component includes a pressing roller, a third rotating shaft, a connecting block, a third air cylinder and two driving rods. The third rotating shaft is rotatably mounted on the rotating frame, one end of the two driving rods is respectively fixedly connected with the third rotating shaft, and the two ends of the pressing roller are respectively rotatably mounted on the two driving rods. The driving rod is inclined upward relative to the rotating frame. The end of the cylinder body of the third cylinder is hinged with the side of the rotating frame, one end of the connecting block is fixedly connected with the end of the third rotating shaft, and the end of the telescopic rod of the third cylinder is hinged with the middle of the connecting block And the pressing roller can be driven to rotate and press the roll film.

Further, the rotating frame is arranged obliquely with respect to the vertical rod, and the rotating frame is arranged above the roll film.

The utility model has the following beneficial effects: an automatic film cutting device is provided, which can efficiently realize the cutting and winding of the roll film, and has the advantages of simple structure, reasonable design, convenient use and strong flexibility. Compared with manual cutting, the utility model has the advantages of The roll film cut by the automatic film cutting device is flat and the production efficiency is high.

Description of drawings

FIG. 1 is a schematic diagram of the initial state of the utility model.

FIG. 2 is a schematic diagram of the state after the rotating frame of the present invention is rotated in place.

3 is a schematic diagram of the cutting state of the present invention.

FIG. 4 is a schematic diagram of the structure of the cutting assembly.

Description of main component symbols: 1. Frame; 2. Winding roller; 20. Servo motor; 3. Transfer roller; A cylinder; 8, cutting assembly; 81, second shaft; 82, rotating block; 83, connecting rod; 84, second cylinder; 85, cutter; 91, pinch roller; 92, third shaft; 93, connection block; 94, the third cylinder; 95, the drive rod.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings and specific embodiments.

As shown in Figures 1-4, an automatic film cutting device includes a frame 1, a winding roller 2, a conveying roller 3, a film roll 4, a vertical rod 5, a rotating frame 6, a first air cylinder 7, a cutting assembly 8 and Compress the assembly. The winding roller 2 is installed on the left side of the frame 1 and is driven to rotate by a servo motor 20 .

The vertical pole 5 is vertically fixed on the right side of the frame 1 , and one end of the rotating frame 6 is hinged to the bottom of the vertical pole 5 through the first rotating shaft 60 . The cylinder end of the first cylinder 7 is hinged with the upper part of the vertical rod 5 , and the telescopic rod end is hinged with the middle part of the rotating frame 6 . The rotating frame 6 is arranged obliquely with respect to the vertical rod 5 , and the rotating frame 6 is arranged above the roll film 4 .

The cutting assembly 8 includes a second rotating shaft 81 , a rotating block 82 , a connecting rod 83 , a second air cylinder 84 and a cutter 85 . The second rotating shaft 81 is rotatably installed at the end of the rotating frame 6, and there are two connecting rods 83. One end of the two connecting rods 83 is fixedly connected to the two ends of the second rotating shaft 81, and the other end is fixedly connected to the cutter 85. The rod 83 is inclined upward relative to the rotating frame 6 , and the angle between the connecting rod 83 and the rotating frame 6 can be set according to specific site conditions, so that when the cutter 85 rotates, the roll film 4 can be cut accurately. The end of the cylinder of the second cylinder 84 is hinged with the side of the rotating frame 6 , one end of the rotating block 82 is fixedly connected with the end of the second rotating shaft 81 , and the end of the telescopic rod of the second cylinder 84 is hinged with the middle of the rotating block 82 The cutter 85 can be driven to rotate and cut the roll film 4 .

The pressing assembly includes a pressing roller 91 , a third rotating shaft 92 , a connecting block 93 , a third air cylinder 94 and two driving rods 95 . The third rotating shaft 92 is rotatably mounted on the rotating frame 6, the third rotating shaft 92 and the second rotating shaft 81 are arranged parallel to each other, one end of the two driving rods 95 are respectively fixedly connected to the third rotating shaft 92, and the two ends of the pressing roller 91 rotate respectively Installed at the ends of the two driving rods 95, the driving rods 95 are inclined upward relative to the rotating frame 6, and the specific inclination angle setting can be determined according to the site conditions, so that when the pressing roller 91 rotates, it can press against the roll film 4 and form a certain angle. pressure. The cylinder end of the third cylinder 94 is hinged with the side of the rotating frame 6 , one end of the connecting block 93 is fixedly connected with the end of the third rotating shaft 92 , and the telescopic rod end of the third cylinder 94 is hinged with the middle of the connecting block 93 And the pinch roller 91 can be driven to rotate and pinch the roll film 4 .

The working principle of the utility model is as follows: the tail of the roll film 4 needs to be cut off after the roll film printing machine is finished winding. The action of the first air cylinder 7 drives the rotating frame 6 to rotate around the first shaft 60 to a horizontal position or a position close to the horizontal position, and the action of the third air cylinder 94 drives the connecting block 93 to rotate, and the connecting block 93 drives the third shaft 92, the driving rod 95 and the pressing force. The rollers 91 rotate together around the third rotating shaft 92, and the pressing roller 91 presses the roll film 4 tightly. The action of the second air cylinder 84 drives the rotating block 82 to rotate, and the rotating block 82 drives the second rotating shaft 81 , the connecting rod 83 and the cutter 85 to rotate, and the cutter 85 cuts the compressed film 4 . The servo motor 20 drives the winding roller 2 to rotate continuously, the cut film 4 is completely wound into the winding roller 2, and the entire film cutting process is completed.

Although the present invention has been specifically shown and described in connection with preferred embodiments, it will be understood by those skilled in the art that the Various changes made by the utility model are all within the protection scope of the present utility model.

Claims (3)

1. An automatic film cutting device is characterized in that: comprising a frame, a winding roller, a conveying roller, a film roll, a vertical rod, a rotating frame, a first air cylinder and a cutting assembly, and the described winding roller is installed on the frame. The left side is driven to rotate by a servo motor, one end of the roll film is wound on the winding roller, the other end is connected to the inside of the roll film printing machine through the transfer roll, and the vertical rod is vertically fixed on the right side of the frame One end of the rotating frame is hinged with the bottom of the vertical rod through the first rotating shaft, the cylinder end of the first cylinder is hinged with the upper part of the vertical rod, and the telescopic rod end is hinged with the middle part of the rotating frame , the cutting assembly includes a second rotating shaft, a rotating block, a connecting rod, a second air cylinder and a cutting knife, the second rotating shaft is rotatably installed at the end of the rotating frame, and one end of the connecting rod is connected to the first The two rotating shafts are fixedly connected, the other end is fixedly connected to the cutter, the connecting rod is inclined upward relative to the rotating frame, the cylinder end of the second cylinder is hinged with the side of the rotating frame, and the rotating One end of the block is fixedly connected with the end of the second rotating shaft, and the end of the telescopic rod of the second air cylinder is hinged with the middle of the rotating block and can drive the cutter to rotate and cut off the roll film. 2. An automatic film cutting device as claimed in claim 1, characterized in that it further comprises a pressing assembly comprising a pressing roller, a third rotating shaft, a connecting block, a third air cylinder and two a driving rod, the third rotating shaft is rotatably mounted on the rotating frame, one end of the two driving rods is respectively fixedly connected with the third rotating shaft, and the two ends of the pressing roller are respectively rotatably mounted on the two driving rods, The driving rod is inclined upward relative to the rotating frame, the cylinder end of the third cylinder is hinged with the side of the rotating frame, and one end of the connecting block is fixedly connected with the end of the third rotating shaft , the end of the telescopic rod of the third cylinder is hinged with the middle of the connecting block and can drive the pressing roller to rotate and press the roll film. 3 . The automatic film cutting device according to claim 1 , wherein the rotating frame is inclined relative to the vertical rod, and the rotating frame is arranged above the roll film. 4 .

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