Film reel cutting mechanism

Abstract

The utility model relates to a film winding drum cutting mechanism which comprises a working table and a rotatable drum penetrating rotating shaft arranged on the working table, a limiting seat mechanism capable of moving along the drum penetrating rotating shaft is installed on the drum penetrating rotating shaft, and a supporting body is arranged at the end of the drum penetrating rotating shaft. A cutting mechanism capable of being pressed down to the position of the supporting body is arranged above the supporting body, one end of the paper tube is limited to the limiting seat mechanism, and the other end of the paper tube is arranged outside the supporting body in a sleeving mode and cut off through the cutting mechanism. The paper tube penetrating device is reasonable in design, simple in structure and convenient to use, paper tubes can be conveniently positioned on the tube penetrating rotating shaft and are downwards pressed and cut off through the cutting mechanism, time and labor are saved, and working efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to a film roll cutting mechanism. Background Technology

[0002] In daily life, plastic film is a thin film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins. It is used for packaging or as a coating layer. After completion, the plastic film is wound onto paper tubes for packaging, transportation, and sales. Currently, different sizes of plastic film need to be wound onto corresponding sizes of paper tubes. Therefore, it is necessary to cut the purchased long paper tubes to fit the different widths of plastic film. However, the current method of cutting paper tubes is generally done manually by hand with a cutting tool, which is inconvenient for positioning, time-consuming, labor-intensive, and inefficient. Utility Model Content

[0003] This invention addresses the aforementioned problem by providing a film roll cutting mechanism that is simple in structure and easy to use.

[0004] This utility model is constructed as follows: it includes a workbench and a rotatable tube-passing shaft disposed on the workbench. A limiting seat mechanism that can move along the tube-passing shaft is installed on the tube-passing shaft. A support body is provided at the end of the tube-passing shaft. A cutting mechanism that can be pressed down to the position of the support body is provided above the support body. One end of the paper tube is limited by the limiting seat mechanism, and the other end of the paper tube is sleeved outside the support body and cut by the cutting mechanism.

[0005] Furthermore, a motor is provided on the side of the workbench away from the support body to drive the cylinder shaft to rotate.

[0006] Furthermore, the limiting seat mechanism includes a guide block and a movable seat disposed above the guide block. The worktable surface is provided with a guide rail, and the guide rail and the guide block are slidably engaged. A paper tube positioning seat is provided on the side of the movable seat. The paper tube positioning seat includes a positioning disk and a positioning protrusion ring disposed in the middle of the positioning disk. Positioning pins are provided on the periphery of the positioning disk.

[0007] Furthermore, the movable base is provided with a movable handle.

[0008] Furthermore, a fixing ring is provided on the side of the movable seat away from the paper tube positioning seat, a fixing groove is provided on the upper part of the tube-passing shaft, and a fixing component is provided above the fixing ring to limit the fixing ring and the tube-passing shaft.

[0009] Furthermore, the cutting mechanism includes a cutting frame disposed behind the worktable, a cutting rod that can swing up and down is hinged above the cutting frame, a cutting blade is disposed on the cutting rod, a support is disposed behind the worktable, and a return spring is disposed between the support and the cutting rod.

[0010] Furthermore, a limiting block is provided at the upper rear of the cutting frame to limit the cutting spacer.

[0011] Furthermore, the cutting rod has a handle at its front end.

[0012] Furthermore, a guide wheel assembly is provided below the support body, the guide wheel assembly including a guide wheel seat and a rotatable guide wheel disposed within the guide wheel seat.

[0013] Furthermore, a guide wheel drive assembly is provided below the guide wheel assembly to drive the guide wheel assembly to move up and down. The guide wheel drive assembly includes a slide rail installed on the side wall of the workbench. A slide block that can move along the slide rail is fitted on the slide rail. The slide block is fixed to the guide wheel assembly. A fixed seat is provided below the slide block. A screw is passed through the middle of the fixed seat. The upper end of the screw is connected to the guide wheel seat of the guide wheel assembly. A throttle is provided below the screw.

[0014] Compared with the prior art, this utility model has the following advantages: This device has a simple structure, reasonable design, is easy to use, saves time and effort, and helps to improve work efficiency and cutting accuracy. The position of the limiting seat mechanism is adjusted according to the required length of the paper tube to be cut, and then the paper tube is inserted along one end of the paper tube insertion shaft. One end of the paper tube is inserted into the positioning protrusion of the paper tube positioning seat, and one end of the paper tube is fixed by inserting it into the positioning pin of the positioning plate. At this time, the lower part of the paper tube to be cut is in contact with the guide wheel of the guide wheel assembly; the motor drives the paper tube insertion shaft and the paper tube... The positioning seat rotates, causing the paper tube to rotate as well. By controlling the cutting rod to swing downwards, the cutting blade contacts the rotating paper tube and cuts it, thus obtaining a paper tube of the required length. After cutting, the cutting rod is released, and the cutting blade separates from the paper tube under the elastic force of the return spring. Then, the position of the limiting seat mechanism is moved, causing the remaining paper tube to continue moving outwards a certain distance until the required length of paper tube is reached. Then, it is cut by the cutting mechanism until the entire paper tube is divided into several segments. Finally, a new long paper tube is replaced for further division. Attached Figure Description

[0015] Figure 1 This is a top view of an embodiment of the present utility model;

[0016] Figure 2 This is a side view of an embodiment of the present utility model;

[0017] Figure 3 for Figure 1 A magnified view of a section at point A in the middle;

[0018] Figure 4 for Figure 1 A magnified view of a section at point B in the middle;

[0019] Figure 5 for Figure 1 BB in the cross-sectional view. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0021] Example: Figures 1-5 As shown, in this embodiment, a film roll cutting mechanism is provided, including a worktable 1 and a rotatable threading shaft 2 disposed on the worktable. A limiting seat mechanism 3 that can move along the threading shaft is installed on the threading shaft. A support body 4 is provided at the end of the threading shaft. A cutting ring groove can be provided in the middle of the support body. A cutting mechanism 5 that can be pressed down to the position of the support body is provided above the support body. One end of the paper roll 6 is limited to the limiting seat mechanism, and the other end of the paper roll is sleeved outside the support body and cut by the cutting mechanism.

[0022] During operation, the limiting seat mechanism is positioned according to the required length of the paper tube to be cut. Then, the paper tube is inserted along one end of the through-tube rotating shaft, and one end of the paper tube is inserted into the positioning protrusion of the paper tube positioning seat. The other end of the paper tube is then fixed inside the positioning pin of the positioning plate. At this point, the lower part of the paper tube to be cut is in contact with the guide wheel of the guide wheel assembly. The motor drives the through-tube rotating shaft and the paper tube positioning seat to rotate synchronously, thereby causing the paper tube to rotate as well. By controlling the cutting rod to swing downwards, the cutting blade contacts the rotating paper tube and cuts it, thus obtaining the required length of paper tube. The cutting is complete. Afterwards, release the cutting rod. Under the elastic force of the return spring, the cutting blade returns to its original position and separates from the paper tube. If a round paper tube is long and needs to be cut into multiple segments, move the position of the limit seat mechanism to move the remaining paper tube outward a certain distance until the required length of paper tube is reached. Then, cut it through the cutting mechanism until the entire paper tube is divided into several segments. Then, replace it with a new long paper tube for further cutting. If a round paper tube is short or the paper tube to be cut is long, a section of the required length of paper tube can be cut directly, and the remaining part can be recycled as waste.

[0023] In this embodiment of the utility model, a motor 7 is provided on the side of the workbench 1 away from the support body to drive the cylinder shaft to rotate.

[0024] In this embodiment of the utility model, the limiting seat mechanism 3 includes a guide block 301 and a movable seat 302 disposed above the guide block. A guide rail 303 is disposed on the surface of the worktable, and the guide rail and the guide block are slidably engaged. A paper tube positioning seat 304 is disposed on the side of the movable seat. The paper tube positioning seat includes a positioning disk 305 and a positioning protrusion ring 306 disposed in the middle of the positioning disk. A plurality of positioning pins 307 are disposed around the periphery of the positioning disk. The paper tube positioning seat can rotate with the paper tube rotating shaft.

[0025] The positioning disc, positioning protrusion, and fixing ring mentioned above may have through holes in the middle for the cylinder shaft to pass through.

[0026] The aforementioned fixing ring and paper tube positioning seat are fixedly connected and can be integrated as one unit. When the fixing ring is fixed to the paper tube shaft using a fixing component, the paper tube positioning seat is also fixed relative to the paper tube shaft. When the fixing component is unlocked, the fixing ring, paper tube positioning seat, and paper tube shaft can slide relative to each other.

[0027] To facilitate the movement of the limiting seat mechanism on the guide rail, the movable seat is provided with a movable handle 308; the movable handle can be U-shaped.

[0028] A fixing ring 309 is provided on the side of the movable seat away from the paper tube positioning seat. A fixing groove 201 is provided on the upper part of the paper tube rotating shaft. A fixing member 310 is provided above the fixing ring to limit the fixing ring and the paper tube rotating shaft. The fixing member can be a bolt.

[0029] After a paper tube is cut to the required length, the position of the limiting seat mechanism needs to be adjusted so that the remaining part of the paper tube can be moved to the position where it needs to be cut again to cut the next end of the paper tube. First, unlock the fixing part, then move the limiting seat mechanism along the guide rail on the worktable to the appropriate position by moving the handle, and then re-lock the fixing part. The fixing part passes through the fixing ring and then abuts against the fixing groove of the paper tube rotating shaft.

[0030] In this embodiment of the utility model, the cutting mechanism 5 includes a cutting frame 501 disposed behind the worktable, a cutting rod 502 that can swing up and down is hinged above the cutting frame, the cutting rod is hinged to the cutting frame via a pin shaft, a cutting blade 503 is disposed on the cutting rod, the cutting blade is fixed to the cutting rod by bolts, a bracket 504 is disposed behind the worktable, and a return spring 505 is disposed between the bracket and the cutting rod.

[0031] In this embodiment of the utility model, in order to limit the angle of the cutting rod swinging backward, a limiting block 506 is provided at the rear of the upper part of the cutting frame to limit the cutting rod; the limiting block abuts against the cutting rod to prevent it from continuing to swing backward.

[0032] In this embodiment of the utility model, in order to facilitate the downward swing of the cutting blade, a handle 507 is provided at the front end of the cutting rod.

[0033] In this embodiment of the utility model, in order to stably support the rotation of the circular paper tube, a guide wheel assembly 8 is provided below the support body. The guide wheel assembly includes a guide wheel seat 801 and two rotatable guide wheels 802 disposed in the guide wheel seat. The guide wheels are installed in the guide wheel seat via guide wheel shafts.

[0034] Of course, in order to better support the long paper tube, another guide wheel assembly can be provided on the right side of the guide wheel assembly, and the two guide wheel assemblies are fixed together by a connecting rod 803.

[0035] In this embodiment of the utility model, a guide wheel drive assembly 9 for driving the guide wheel assembly to move up and down is provided below the guide wheel assembly. The guide wheel drive assembly includes a slide rail 901 installed on the side wall of the workbench. A slide block 902 that can move along the slide rail is sleeved on the slide rail. The slide block is fixed to the guide wheel assembly. A fixed seat 903 is provided below the slide block. The fixed seat is installed on the side wall of the workbench. A screw 904 passes through the middle of the fixed seat. The screw is threaded with the fixed seat. The upper end of the screw is connected to the guide wheel seat of the guide wheel assembly. A throttle 905 is provided below the screw.

[0036] The upper end of the screw is rotatably engaged with the lower part of the guide wheel seat of the guide wheel assembly. A rotating body can be provided at the upper end of the screw, and a rotating groove adapted to the rotating body can be provided on the guide wheel seat. A through hole through which the screw passes is provided below the rotating groove, but the size of the rotating body is larger than the through hole.

[0037] The vertical position of the guide wheel assembly can be adjusted by rotating the screw. When adjusting the height of the guide wheel assembly, the screw rotation drives the slide block to move up and down along the slide rail, thereby driving the guide wheel assembly to move up and down, so as to facilitate the guide wheel assembly to support the paper tube.

[0038] In this embodiment of the utility model, a bearing seat 10 is provided on the side of the through-tube rotating shaft near the motor, and a bearing is inside the bearing seat, through which the through-tube rotating shaft passes.

[0039] In this embodiment of the utility model, the circular paper tube is ring-shaped, has a certain thickness, and has a circular hole in its middle.

[0040] Unless otherwise stated, if any of the technical solutions disclosed in this utility model discloses a numerical range, then the disclosed numerical range is a preferred numerical range. Any person skilled in the art should understand that the preferred numerical range is merely one among many feasible numerical values ​​that has a more obvious or representative technical effect. Because there are many numerical values, it is impossible to list them all. Therefore, this utility model discloses only some numerical values ​​to illustrate the technical solutions of this utility model. Furthermore, the numerical values ​​listed above should not constitute a limitation on the scope of protection of this utility model.

[0041] Meanwhile, if the present invention discloses or relates to mutually fixedly connected parts or structural components, then unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (e.g., using bolts or screws), or a non-detachable fixed connection (e.g., riveting, welding). Of course, the mutually fixed connection can also be replaced by an integral structure (e.g., manufactured by casting process) (except where it is obviously impossible to use an integral forming process).

[0042] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in this utility model above include states or shapes that are similar to, close to, or approximate with them.

[0043] Any component provided by this utility model can be assembled from multiple individual components, or it can be a single component manufactured by a one-piece molding process.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it; although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this utility model or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the technical solution claimed by this utility model.

Claims

1. A film roll cutting mechanism characterized by comprising: The application relates to a paper tube cutting device, which comprises a workbench and a rotatable paper tube rotating shaft arranged on the workbench, wherein a limiting seat mechanism movable along the paper tube rotating shaft is arranged on the paper tube rotating shaft, a supporting body is arranged at the end of the paper tube rotating shaft, a cutting mechanism capable of being pressed down to the position of the supporting body is arranged above the supporting body, one end of a paper tube is limited by the limiting seat mechanism, and the other end of the paper tube is sleeved outside the supporting body and cut off by the cutting mechanism.

2. A film roll cutting mechanism according to claim 1, wherein A motor is arranged on the side of the workbench away from the supporting body, and is used for driving the paper tube rotating shaft to rotate.

3. A film roll cutting mechanism according to claim 1, wherein The limiting seat mechanism comprises a guide block and a moving seat arranged above the guide block, a guide rail is arranged on the surface of the workbench, the guide rail and the guide block are in sliding fit, a paper tube positioning seat is arranged on the side of the moving seat, the paper tube positioning seat comprises a positioning disc and a positioning convex ring arranged in the middle of the positioning disc, and positioning pins are arranged on the circumferential side of the positioning disc.

4. A film roll cutting mechanism according to claim 3, wherein A moving handle is arranged on the moving seat.

5. A film roll cutting mechanism according to claim 3, wherein A fixing ring is arranged on the side of the moving seat away from the paper tube positioning seat, a fixing groove is formed in the upper portion of the paper tube rotating shaft, and a fixing member for limiting the fixing ring and the paper tube rotating shaft is arranged above the fixing ring.

6. A film roll cutting mechanism according to claim 1, wherein The cutting mechanism comprises a cutting frame arranged behind the workbench, a cutting rod capable of swinging up and down is hingedly arranged above the cutting frame, a cutting knife is arranged on the cutting rod, a support is arranged behind the workbench, and a return spring is arranged between the support and the cutting rod.

7. A film roll cutting mechanism according to claim 6, wherein A limiting block for limiting the cutting rod is arranged at the rear upper portion of the cutting frame.

8. A film roll cutting mechanism according to claim 6, wherein A pulling handle is arranged at the front end of the cutting rod.

9. The film roll cutting mechanism of claim 1, wherein A guide wheel assembly is arranged below the supporting body, and the guide wheel assembly comprises a guide wheel seat and a guide wheel rotatably arranged in the guide wheel seat.

10. A film roll cutting mechanism according to claim 9, wherein A guide wheel driving assembly for driving the guide wheel assembly to move up and down is arranged below the guide wheel assembly, the guide wheel driving assembly comprises a sliding rail arranged on the side wall of the workbench, a sliding seat capable of moving along the sliding rail is sleeved on the sliding rail, the sliding seat is fixed with the guide wheel assembly, a fixing seat is arranged below the sliding seat, a screw rod is arranged in the middle of the fixing seat, the upper end of the screw rod is connected with the guide wheel seat of the guide wheel assembly, and a rotating handle is arranged below the screw rod.

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