Slitting mechanism for PE film

Abstract

The utility model provides a slitting mechanism for a PE (polyethylene) film, which comprises a support, a guide roller and a cutting roller are horizontally and rotatably mounted on the support, a plurality of cutting blades are detachably connected onto the cutting roller through fasteners, auxiliary lugs with positioning holes are arranged on the cutting blades, fixing blocks are mounted on two sides of the support, and the fixing blocks are detachably connected onto the guide roller. A transverse rod is detachably installed between the fixing blocks, a plurality of adjusting seats are connected to the transverse rod in a sliding mode, first locking screws are connected to the adjusting seats in a threaded mode, and positioning assemblies matched with the auxiliary lugs are arranged on the adjusting seats; and the cutting roller is also connected with a driving module capable of driving the cutting roller to rotate.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical technology and relates to a PE film slitting mechanism. Background Technology

[0002] PE film is a plastic film material widely used in packaging, agriculture, construction, and other fields. With its excellent physical properties, chemical stability, and good processing performance, it has become an indispensable part of modern industry and daily life.

[0003] In the production of PE film, the varying slitting dimensions required by different customers necessitate frequent adjustments to the cutting blade position, posing a significant challenge. Under current technology, operators must manually remeasure and re-determine the cutting roller position each time the blade is adjusted, a highly tedious process. Therefore, developing a slitting mechanism for PE film is essential. Summary of the Invention

[0004] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a PE film slitting mechanism.

[0005] The objective of this utility model can be achieved through the following technical solution: A PE film slitting mechanism includes a support frame, on which a guide roller and a cutting roller are horizontally rotatably mounted. A plurality of cutting blades are detachably connected to the cutting roller via fasteners. The cutting blades are characterized in that they have auxiliary ears with positioning holes. Fixing blocks are mounted on both sides of the support frame, and a crossbar is detachably mounted between the fixing blocks. A plurality of adjusting seats are slidably connected to the crossbar, and a locking screw is threaded onto each adjusting seat. Each adjusting seat has a positioning component that cooperates with the auxiliary ears. The cutting roller is also connected to a drive module that enables its rotation.

[0006] The positioning assembly includes a fixed cylinder, a positioning pin, and a spring. The fixed cylinder is mounted on an adjusting seat, the positioning pin is slidably connected to the fixed cylinder, and the tip of the positioning pin can be inserted into a positioning hole. The spring is installed between the fixed cylinder and the positioning pin.

[0007] The positioning pin also has a handle.

[0008] The crossbar also has connecting blocks at both ends, and the connecting blocks are connected to the fixing blocks by locking screws.

[0009] One of the connecting blocks also has an anti-reverse pin, and one of the fixing blocks has a slot for the anti-reverse pin.

[0010] The drive module includes a motor, a first sprocket, a second sprocket, and a chain belt. The motor is mounted on a bracket, the first sprocket is mounted on the output shaft end of the motor, the second sprocket is mounted on the end of the cutting roller, and the chain belt is sleeved between the first sprocket and the second sprocket.

[0011] Compared with existing technologies, this PE film slitting mechanism has the following advantages:

[0012] In this invention, a crossbar equipped with a positioning component is introduced. Each time the position of the cutting blade is adjusted, only the corresponding crossbar needs to be installed. By utilizing the cooperation between the positioning component and the positioning ear, the position of the cutting blade can be easily determined, thereby achieving convenient adjustment. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0014] Figure 2 This is a magnified view of a portion of point A;

[0015] Figure 3 This is a three-dimensional structural diagram of the removed portion of this utility model;

[0016] Figure 4 This is a schematic diagram of the planar structure of the removed portion of this utility model;

[0017] In the diagram: 1. Bracket; 2. Crossbar; 3. Motor; 4. Sprocket 1; 5. Chain belt; 6. Adjusting seat; 7. Sprocket 2; 8. Cutting disc; 9. Guide roller; 10. Cutting roller; 11. Positioning assembly; 11a. Positioning pin; 11a1. Handle; 11b. Fixing cylinder; 11c. Spring; 12. Auxiliary ear; 13. Locking screw 1; 14. Fixing block; 14a. Slot; 15. Connecting block; 16. Locking screw 2; 17. Anti-reverse pin. Detailed Implementation

[0018] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0019] like Figures 1-4As shown, the PE film slitting mechanism includes a support 1. A guide roller 9 and a cutting roller 10 are horizontally rotatably mounted on the support 1. Several cutting discs 8 are detachably connected to the cutting roller 10 via fasteners. The cutting discs 8 are connected to the cutting roller 10 in an existing manner. Each cutting disc 8 has an auxiliary ear 12 with a positioning hole. Fixing blocks 14 are installed on both sides of the support 1. A crossbar 2 is detachably installed between the fixing blocks 14. Several adjusting seats 6 are slidably connected to the crossbar 2. A locking screw 13 is threaded onto the adjusting seat 6. The adjusting seat 6 has a positioning component 11 that cooperates with the auxiliary ear 12. In practice, multiple crossbars 2 can be configured. According to different slitting size requirements, the position of the positioning component 11 on the crossbar 2 can be adjusted in advance. Each time the position of the cutting disc 8 needs to be changed, the corresponding crossbar 2 can be selected. The cutting roller 10 is also connected to a drive module that enables it to rotate.

[0020] The positioning assembly 11 includes a fixed cylinder 11b, a positioning pin 11a, and a spring 11c. The fixed cylinder 11b is mounted on the adjusting seat 6. The positioning pin 11a is slidably connected to the fixed cylinder 11b, and the tip of the positioning pin 11a can be inserted into the positioning hole. The spring 11c is installed between the fixed cylinder 11b and the positioning pin 11a. With this structure, when adjusting the cutting disc 8, the cutting disc 8 is moved so that the positioning hole of the auxiliary ear 12 engages with the corresponding pin, thereby positioning the position of the cutting disc 8. After that, the fastener is tightened. After all adjustments are completed, the crossbar 2 can be removed.

[0021] The positioning pin 11a also has a handle 11a1.

[0022] The crossbar 2 also has connecting blocks 15 at both ends. The connecting blocks 15 are connected to the fixing blocks 14 by locking screws 16. One of the connecting blocks 15 also has an anti-reverse pin 17, and one of the fixing blocks 14 has a slot 14a for the anti-reverse pin 17. This structure facilitates the installation of the crossbar 2 and also prevents the crossbar 2 from being installed backwards.

[0023] The drive module includes a motor 3, a first sprocket 4, a second sprocket 7, and a chain belt 5. The motor 3 is mounted on the bracket 1, the first sprocket 4 is mounted on the output shaft end of the motor 3, the second sprocket 7 is mounted on the end of the cutting roller 10, and the chain belt 5 is sleeved between the first sprocket 4 and the second sprocket 7. With this structure, the motor 3 drives the first sprocket 4 to rotate, the first sprocket 4 drives the second sprocket 7 to rotate through the chain belt 5, and the second sprocket 7 drives the cutting roller 10 to rotate.

[0024] In this invention, a crossbar 2 equipped with a positioning component 11 is introduced. Each time the position of the cutting blade 8 is adjusted, only the corresponding crossbar 2 needs to be installed. By utilizing the cooperation between the positioning component 11 and the positioning ear, the position of the cutting blade 8 can be easily determined, thereby achieving convenient adjustment.

[0025] All of the above components are general standard parts or components known to those skilled in the art. Their structure and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0026] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A PE film slitting mechanism, comprising a support (1), wherein a guide roller (9) and a cutting roller (10) are horizontally rotatably mounted on the support (1), and a plurality of cutting blades (8) are detachably connected to the cutting roller (10) by fasteners, characterized in that, The cutting disc (8) has an auxiliary ear (12) with a positioning hole. The bracket (1) has fixing blocks (14) installed on both sides. A crossbar (2) is detachably installed between the fixing blocks (14). Several adjusting seats (6) are slidably connected to the crossbar (2). A locking screw (13) is threaded onto the adjusting seat (6). The adjusting seat (6) has a positioning component (11) that cooperates with the auxiliary ear (12). The cutting roller (10) is also connected to a drive module that can rotate it.

2. The slitting mechanism for PE film according to claim 1, characterized in that, The positioning assembly (11) includes a fixed cylinder (11b), a positioning pin (11a), and a spring (11c). The fixed cylinder (11b) is mounted on the adjusting seat (6). The positioning pin (11a) is slidably connected to the fixed cylinder (11b), and the tip of the positioning pin (11a) can be inserted into the positioning hole. The spring (11c) is installed between the fixed cylinder (11b) and the positioning pin (11a).

3. The slitting mechanism for PE film according to claim 2, characterized in that, The positioning pin (11a) also has a handle (11a1).

4. The slitting mechanism for PE film according to claim 1, characterized in that, The crossbar (2) also has connecting blocks (15) at both ends, and the connecting blocks (15) are connected to the fixing block (14) by locking screws (16).

5. The slitting mechanism for PE film according to claim 4, characterized in that, One of the connecting blocks (15) also has an anti-reverse pin (17), and one of the fixing blocks (14) has a slot (14a) for the anti-reverse pin (17).

6. The slitting mechanism for PE film according to claim 1, characterized in that, The drive module includes a motor (3), a first sprocket (4), a second sprocket (7), and a chain belt (5). The motor (3) is mounted on a bracket (1). The first sprocket (4) is mounted on the output shaft end of the motor (3). The second sprocket (7) is mounted on the end of the cutting roller (10). The chain belt (5) is sleeved between the first sprocket (4) and the second sprocket (7).

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