BOPP film slitting device

Abstract

The utility model relates to the technical field of film slitting, especially to a BOPP film slitting device, which can adjust the distance between two adjacent slitting knives at will, facilitate to adjust the cutting width at will within a certain range according to production needs, and expand the application range, comprising a base, a support, a film roller, an adjusting part, a guide part, a cutting part and a supporting part, the support is installed at the top end of the base, the film roller is rotatably installed at the lower part of the support, the adjusting part is installed at the top end of the support, the cutting part is installed at the bottom of the adjusting part, the guide part is installed between the left and right sides of the adjusting part and the two ends of the support, and the supporting part is installed between the cutting part and the adjusting part.

Description

Technical Field

[0001] This utility model relates to the technical field of film slitting, and in particular to a BOPP film slitting device. Background Technology

[0002] Biaxially oriented polypropylene (BOPP) film is generally a multilayer co-extruded film, made by co-extruding polypropylene granules into sheets, and then stretching them in both longitudinal and transverse directions. In the BOPP film production and processing field, film slitting machines are required. Existing technology announcement CN208323561U discloses a BOPP film slitting device, including a frame, a film roller mounted on the frame, a blade holder support plate parallel to and above the film roller, and slitting blades. Two moving sliders are threadedly connected to the outer circumference of a lead screw through internal threaded holes. Two vertical guide rails each have a lifting vertical rod that slides up and down. The hinge shafts on the two moving sliders are respectively hinged to support rods. The hinge shafts at the top of the two lifting vertical rods are respectively hinged to the other ends of the two support rods. The tops of both ends of the blade holder support plate are fixedly connected to the bottom ends of the two lifting vertical rods. Multiple slitting blade assemblies are detachably mounted on the blade holder support plate via mounting bolts. However, its slitting blades are generally fixed in place, making it inconvenient to adjust the spacing between two adjacent slitting blades, thus limiting its applicability. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a BOPP film slitting device that can arbitrarily adjust the distance between two adjacent slitting blades, making it convenient to adjust the cutting width within a certain range according to production needs and expanding the scope of application.

[0004] This utility model discloses a BOPP film slitting device, comprising a base, a support, a film roller, an adjusting component, a guiding component, a cutting component, and a supporting component. The support is installed at the top of the base, and the film roller is rotatably mounted at the bottom of the support. The adjusting component is installed at the top of the support, and the cutting component is installed at the bottom of the adjusting component. Guiding components are installed between the left and right sides of the adjusting component and the two ends of the support. The supporting component is installed between the cutting component and the adjusting component. The adjusting component drives the cutting component to move downward and cooperate with the film roller to complete the cutting. The guiding component increases the connection strength and ensures stability. The cutting component allows for arbitrary adjustment of the distance between two adjacent slitting blades, thereby facilitating the adjustment of the cutting width within a certain range according to production needs, expanding the applicability range, and providing convenient adjustment. The supporting component supports the cutting component, ensuring stability during cutting and improving cutting quality.

[0005] Preferably, the adjustment component includes two electric telescopic rods and a movable plate. The two electric telescopic rods are symmetrically installed at the left and right ends of the top of the bracket, and the movable plate is installed at the bottom telescopic end of the electric telescopic rod. Activating the electric telescopic rod pushes the movable plate downward, thereby adjusting the distance between the slitting knife and the film roller, which facilitates processing.

[0006] Preferably, the guiding component includes a guide rod, two guide blocks, and two sets of limiting sliders. The guide rod is slidably mounted on the top of the bracket, and its bottom is connected to the top of the movable plate. Rectangular slots are provided at both ends of the bracket, and guide rods are installed at both ends of the movable plate. The guide rods are slidably mounted in the rectangular slots, and limiting guide grooves are symmetrically provided in the rectangular slots. Limiting sliders are installed at the front and rear ends of the guide blocks, and the limiting sliders are slidably mounted in the limiting guide grooves. When the movable plate moves downward, it drives the guide rods to slide on the bracket, increasing structural strength and ensuring stability. At the same time, it drives the guide blocks to move in the rectangular slots, and the guide blocks drive the limiting sliders to slide in the limiting guide grooves, enhancing stability, ensuring stability during cutting, and improving cutting quality.

[0007] Preferably, the cutting component includes two fixed plates, a hexagonal prism, a pull ring, a locking nut, multiple sliding sleeves, and multiple sliding blades. Fixed plates are symmetrically mounted on the bottom of the movable plate. The hexagonal prism is slidably inserted between the two fixed plates. A pull ring is installed at one end of the hexagonal prism, and a locking nut is screwed onto the other end of the pull ring. Multiple sliding sleeves are slidably mounted on the hexagonal prism, and sliding blades are installed at the bottom of the sliding sleeves. Pushing the sliding sleeves along the hexagonal prism allows for arbitrary adjustment of the distance between two adjacent sliding blades, thus facilitating the adjustment of the cutting width within a certain range according to production needs, expanding the applicability, and providing convenient adjustment. Removing the locking nut and pulling the pull ring allows for increasing or decreasing the number of sliding blades as needed, making it convenient to use.

[0008] Preferably, the support component includes two sets of support arms, two sets of support sliders, and two sets of fixing blocks. Slots are symmetrically opened at both ends of the sliding sleeve. Fixing blocks that match the slots are installed at the bottom of the support arms. Sliding guide grooves are symmetrically opened at both ends of the moving plate. An opening is provided on one side of the sliding guide groove of the moving plate. Support sliders are installed at the top of the support arms and are slidably installed in the sliding grooves. The support sliders are slidably inserted into the sliding guide grooves through the openings, and then the fixing blocks are inserted into the slots and connected to the sliding sleeves to provide support during cutting, ensuring stability during cutting and improving cutting quality.

[0009] Preferably, it also includes multiple positioning plates and multiple tightening screws. The positioning plates are installed on the top of one side support arm, and the tightening screws are screwed onto the positioning plates. After the support arm is moved to push the sliding sleeve to adjust the position of the slitting blade, the tightening screws are tightened to securely connect with the moving plate, thereby fixing the position of the slitting blade.

[0010] Preferably, it also includes scale lines and multiple pointers. A pointer is installed at the front end of the moving plate and a pointer is installed at the top of the front support arm. When the support arm is pushed to move, the pointer moves in front of the scale lines, which facilitates precise control of the distance between two adjacent cutting blades and ensures processing accuracy.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: the adjusting component drives the cutting component to move downward and cooperate with the film roller to complete the cutting; the guiding component can increase the connection strength and ensure stability; the cutting component can adjust the distance between two adjacent cutting blades at will, thereby facilitating the adjustment of the cutting width within a certain range according to production needs, expanding the scope of application, and making adjustment convenient; the supporting component can support the cutting component, ensuring stability during cutting and improving cutting quality. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a three-dimensional structural diagram of the rear of this utility model;

[0014] Figure 3 This is a front view structural diagram of the present invention;

[0015] Figure 4 This is a partial cross-sectional structural schematic diagram of the present invention;

[0016] Figure 5 This is a schematic diagram of the right-side cross-sectional structure of this utility model;

[0017] The following are labels in the attached diagram: 1. Base; 2. Support; 3. Film roller; 4. Electric telescopic rod; 5. Moving plate; 6. Guide rod; 7. Guide block; 8. Limiting slider; 9. Fixing plate; 10. Hexagonal prism; 11. Pull ring; 12. Locking nut; 13. Sliding sleeve; 14. Sliding knife; 15. Support arm; 16. Support slider; 17. Positioning plate; 18. Tightening screw; 19. Fixing insert; 20. Scale line; 21. Pointer. Detailed Implementation

[0018] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0019] like Figures 1 to 5As shown, bracket 2 is installed at the top of base 1. A film roller 3 is rotatably installed at the bottom of bracket 2. Two electric telescopic rods 4 are symmetrically installed at the left and right ends of the top of bracket 2. A movable plate 5 is installed at the bottom telescopic end of the electric telescopic rod 4. A guide rod 6 is slidably installed at the top of bracket 2. The bottom of the guide rod 6 is connected to the top of the movable plate 5. Rectangular grooves are opened at the left and right ends of bracket 2. Guide rods 6 are installed at the left and right ends of movable plate 5. The guide rods 6 are slidably installed in the rectangular grooves. Limiting guide grooves are symmetrically opened in the rectangular grooves. Limiting sliders 8 are installed at the front and rear ends of guide block 7. The limiting sliders 8 are slidably installed in the limiting guide grooves. Fixed plates 9 are symmetrically installed at the bottom of movable plate 5. A hexagonal prism 10 is slidably inserted between the two fixed plates 9. A pull ring 11 is installed at one end of the 10, and a locking nut 12 is screwed onto the other end of the pull ring 11. Multiple sliding sleeves 13 are slidably fitted onto the hexagonal prism 10. A slitting blade 14 is installed at the bottom of the sliding sleeve 13. Slots are symmetrically opened at both ends of the sliding sleeve 13. A fixing block 19 matching the slot is installed at the bottom end of the support arm 15. Sliding guide grooves are symmetrically opened at both ends of the moving plate 5. An opening is provided on one side of the sliding guide groove of the moving plate 5. A support slider 16 is installed at the top of the support arm 15. The support slider 16 is slidably installed in the sliding groove. A positioning plate 17 is installed on the top of one side of the support arm 15. A tightening screw 18 is screwed onto the positioning plate 17. A pointer 21 is installed at the front end of the moving plate 5. A pointer 21 is installed at the top of the front support arm 15.

[0020] Activating the electric telescopic rod 4 pushes the moving plate 5 downwards, thereby adjusting the distance between the slitting blade and the film roller 3 for easier processing. As the moving plate 5 moves downwards, it drives the guide rod 6 to slide on the bracket 2, increasing structural strength and ensuring stability. Simultaneously, it drives the guide block 7 to move within the rectangular groove. The guide block 7 drives the limiting slider 8 to slide within the limiting guide groove, enhancing stability and ensuring cutting stability, thus improving cutting quality. Pushing the sliding sleeve 13 to slide on the hexagonal prism 10 allows for arbitrary adjustment of the distance between two adjacent slitting blades 14, facilitating easy adjustment of the cutting width within a certain range according to production needs, expanding the applicability range, and providing convenient adjustment. The locking screw is then removed. The mother 12, by pulling the pull ring 11, can increase or decrease the number of slitting blades 14 as needed, making it convenient to use. The support slider 16 is slidably inserted into the sliding guide groove through the opening, and then the fixed insert 19 is inserted into the slot and connected to the sliding sleeve 13 to provide support during cutting, ensuring stability and improving cutting quality. After adjusting the position of the slitting blade 14 by moving the support arm 15 to push the sliding sleeve 13, the top screw 18 is tightened and fixedly connected to the moving plate 5 to fix the position of the slitting blade 14. When the support arm 15 is pushed to move, the pointer 21 moves in front of the scale line 20, which facilitates precise control of the distance between two adjacent slitting blades 14 and ensures processing accuracy.

[0021] like Figures 1 to 5As shown, this utility model discloses a BOPP film slitting device. During operation, the electric telescopic rod 4 pushes the moving plate 5 downwards, thereby adjusting the distance between the slitting blade and the film roller 3. As the moving plate 5 moves downwards, it drives the guide rod 6 to slide on the bracket 2, simultaneously driving the guide block 7 to move within the rectangular groove. The guide block 7 drives the limiting slider 8 to slide within the limiting guide groove, enhancing stability and ensuring stability during cutting. The support slider 16 is slidably inserted into the sliding guide groove through the opening, and then the fixing block 19 is inserted into the slot and the sliding sleeve 1. 3. Connect the blades and provide support during cutting. Pushing the sliding sleeve 13 onto the hexagonal prism 10 allows for easy adjustment of the distance between two adjacent cutting blades 14, thus facilitating the adjustment of the cutting width within a certain range according to production needs. After adjusting the position of the cutting blade 14 by moving the support arm 15 and pushing the sliding sleeve 13, tighten the top screw 18 to securely connect it to the moving plate 5, fixing the position of the cutting blade 14. When the support arm 15 is moved, it causes the pointer 21 to move in front of the scale line 20, facilitating precise control of the distance between two adjacent cutting blades 14.

[0022] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A BOPP film slitting device, characterized in that, It includes a base (1), a bracket (2), a film roller (3), an adjustment component, a guide component, a cutting component, and a support component. The bracket (2) is installed on the top of the base (1), and the film roller (3) is rotatably installed on the lower part of the bracket (2). The adjustment component is installed on the top of the bracket (2), and the cutting component is installed on the bottom of the adjustment component. Guide components are installed between the left and right sides of the adjustment component and the two ends of the bracket (2), and a support component is installed between the cutting component and the adjustment component.

2. The BOPP film slitting device as described in claim 1, characterized in that, The adjustment components include two electric telescopic rods (4) and a movable plate (5). The two electric telescopic rods (4) are symmetrically installed at the top left and right ends of the bracket (2), and the movable plate (5) is installed at the bottom telescopic end of the electric telescopic rods (4).

3. The BOPP film slitting device as described in claim 2, characterized in that, The guiding components include a guide rod (6), two guide blocks (7) and two sets of limiting sliders (8). The guide rod (6) is slidably installed on the top of the bracket (2). The bottom of the guide rod (6) is connected to the top of the moving plate (5). Rectangular grooves are opened at the left and right ends of the bracket (2). The guide rod (6) is installed at the left and right ends of the moving plate (5). The guide rod (6) is slidably installed in the rectangular groove. Limiting guide grooves are symmetrically opened in the rectangular groove. Limiting sliders (8) are installed at the front and rear ends of the guide blocks (7). The limiting sliders (8) are slidably installed in the limiting guide grooves.

4. A BOPP film slitting device as described in claim 2, characterized in that, The cutting component includes two fixed plates (9), a hexagonal prism (10), a pull ring (11), a locking nut (12), multiple sliding sleeves (13) and multiple sliding blades (14). Fixed plates (9) are symmetrically installed on the bottom of the movable plate (5). The hexagonal prism (10) is slidably inserted between the two fixed plates (9). A pull ring (11) is installed at one end of the hexagonal prism (10), and a locking nut (12) is screwed onto the other end of the pull ring (11). Multiple sliding sleeves (13) are slidably fitted onto the hexagonal prism (10), and sliding blades (14) are installed at the bottom of the sliding sleeves (13).

5. A BOPP film slitting device as described in claim 4, characterized in that, The support components include two sets of support arms (15), two sets of support sliders (16) and two sets of fixing blocks (19). Slots are symmetrically opened at the front and rear ends of the sliding sleeve (13). The bottom end of the support arm (15) is equipped with a fixing block (19) that matches the slot. The front and rear ends of the moving plate (5) are symmetrically opened with sliding guide grooves. An opening is provided on one side of the sliding guide groove of the moving plate (5). The top end of the support arm (15) is equipped with a support slider (16), which is slidably installed in the sliding groove.

6. A BOPP film slitting device as described in claim 5, characterized in that, It also includes multiple positioning plates (17) and multiple tightening screws (18), with the positioning plates (17) installed on the top of one side support arm (15) and the tightening screws (18) screwed onto the positioning plates (17).

7. A BOPP film slitting device as described in claim 5, characterized in that, It also includes scale lines (20) and multiple pointers (21), with pointers (21) mounted on the front end of the moving plate (5) and pointers (21) mounted on the top of the front support arm (15).

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