Preservative film rolling and slitting mechanism

Abstract

The utility model discloses a preservative film rolling and slitting mechanism which comprises a base and a slitting assembly, one side of the top of the base is connected with a film winding roll through a rolling assembly, supporting plates are symmetrically and fixedly installed on the side, away from the film winding roll, of the top of the base, a fixing frame is fixedly installed between the two supporting plates, and the slitting assembly is arranged in the fixing frame. According to the preservative film winding and slitting mechanism, one end of a preservative film penetrates through the fixing frame and is fixed through the film winding roll, the pasting layer is arranged on the outer side of the film winding roll, and after winding of the film winding roll is completed, the connecting plate is pushed to move downwards through the slitting assembly and the electric telescopic rod; the electric sliding rail drives the sliding block and the slitting blade to cut the preservative film, and the preservative film is fixed through the positioning strip, so that the preservative film is fixed while being cut, the preservative film is prevented from falling off, and a film winding roll is convenient to replace and wind again.

Description

Technical Field

[0001] The utility model relates to the technical field of cling film rolling, in particular to a cling film rolling and slitting mechanism. Background Art

[0002] Cling film is a plastic packaging product, usually made through polymerization reaction with ethylene as the masterbatch. Cling film can be divided into three categories: the first is polyethylene, referred to as PE; the second is polyvinyl chloride, referred to as PVC; the third is polyvinylidene chloride, referred to as PVDC. It is widely used in microwave food heating, refrigerator food preservation, fresh and cooked food packaging, and other occasions in family life, supermarkets, hotels and restaurants, and industrial production of food packaging. After the production and processing of cling film, it needs to be packaged and rolled according to the factory demand.

[0003] The patent document with application number CN215881839U discloses a cutting device for cling film production, which relates to the technical field of cling film production, and comprises a base, a winding mechanism is arranged above the base, the bottom of the winding mechanism is transmission-connected with an adjusting mechanism, a cutting mechanism is arranged on the winding mechanism, and a winding sleeve is arranged in the winding mechanism. The beneficial effect is: the cutting mechanism of the device, the auxiliary plate in the cutting mechanism can adjust the tension of the cling film, so that the cling film can be conveniently cut and rolled up. When the cling film needs to be cut, the operator only needs to press the pressing plate to move the pressing plate downward, and then cut the cling film on the auxiliary plate with the cutting knife. This design is simple to operate, and when cutting, the auxiliary plate has a supporting effect, which can avoid burrs on the incision.

[0004] In the above-mentioned related technologies, although the cutting mechanism is helpful for cutting the cling film during use, the cling film cannot be fixed after being cut, which may easily cause the cling film to loosen and fall off at the cut part, making it inconvenient to roll up the cling film again. To address the above problems, we have introduced a cling film rolling and slitting mechanism. Utility Model Content

[0005] The utility model discloses a cling film rolling and slitting mechanism, aiming to solve the technical problem in the related art that, when in use, the arranged cutting mechanism is conducive to cutting the cling film, but after the cling film is cut, the cling film cannot be fixed, which easily causes the cut part of the cling film to loosen and fall off, making it inconvenient to roll up the cling film again.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A cling film winding and slitting mechanism comprises a base and a slitting assembly, wherein one side of the top of the base is connected to a film roll through the winding assembly, a support plate is symmetrically fixedly installed on the side of the top of the base away from the film roll, a fixing frame is fixedly installed between the two support plates, a slitting assembly is arranged inside the fixing frame, a mounting plate is fixedly installed inside the fixing frame and on a side close to the film roll, a mounting frame is fixedly installed equidistantly on the top of the fixing frame, a mounting groove is opened inside the top of the fixing frame, a connecting plate is slidably connected inside the mounting groove, the connecting plate and the mounting frame are connected by an electric telescopic rod, a sliding block is connected to the side of the bottom of the connecting plate close to the film roll through an electric slide rail, a slitting blade is arranged on the side of the sliding block close to the mounting plate, and a positioning strip is fixedly installed on the side of the bottom of the connecting plate away from the film roll.

[0008] The wrapping film is then moved to a new location and the wrapping film is moved to a new location on the wrapping film roll for wrapping.

[0009] In a preferred embodiment, the winding assembly includes a movable groove, which is symmetrically opened inside the top of the base, and the movable groove is connected to a bidirectional screw through a No. 1 motor, and a movable block is symmetrically threadedly connected to the outside of the bidirectional screw and located inside the movable groove, and two movable blocks are fixedly installed with fixed plates on the top, and the sides of the two fixed plates that are close to each other are connected with a positioning seat through a rotating shaft, and a No. 2 motor is fixedly installed on one side of one of the fixed plates, and the output end of the No. 2 motor is fixedly connected to one of the rotating shafts.

[0010] By setting the rotation of the output end of motor No. 1 to drive the bidirectional lead screw to rotate, the two moving blocks are further driven to move toward or in the opposite direction, which is beneficial for adjustment according to the length of the film roll. A fixed seat is fixedly installed on the side close to the two positioning seats, and the film roll is placed between the two positioning seats. The two fixed seats extend to the inside of both sides of the film roll respectively, which is beneficial for fixing film rolls of different lengths.

[0011] In a preferred embodiment, a rotating roller is rotatably connected inside the fixed frame and on a side away from the film roll, sliding grooves are symmetrically opened inside the fixed frame and above the slitting assembly, sliding blocks are slidably connected inside the sliding grooves, threaded rods are threadedly connected inside the top of the fixed frame, the bottom ends of the threaded rods extend into the sliding blocks and are rotatably connected to the sliding blocks, and a movable roller is rotatably connected between the two sliding blocks.

[0012] By setting a rotating roller and a moving roller, the two sliding blocks are driven to move up and down in the sliding groove by rotating the two threaded rods, and the moving roller is further driven to move up and down, which is beneficial to adjust the distance between the moving roller and the rotating roller according to the different thicknesses of the cling film, and the application range is wider.

[0013] In a preferred solution, a groove is provided on the top of the mounting plate and directly below the slitting blade.

[0014] The groove is provided to facilitate the stability of the movement of the slitting blade driven by the electric slide rail after the slitting blade moves downward.

[0015] In a preferred solution, the limiting blocks are symmetrically fixed on both sides of the connecting plate, and limiting grooves are provided inside the fixing frame and on one side close to the limiting blocks. The limiting blocks extend into the limiting grooves and are slidably connected to the limiting grooves.

[0016] By arranging the limit block to extend into the limit groove, it is beneficial for the connection plate to move up and down more stably.

[0017] In a preferred solution, a positioning block is fixedly installed at the bottom of the sliding block, a positioning frame is fixedly installed at the top of the slitting blade, and the positioning block extends into the interior of the positioning frame and is fixed by bolts.

[0018] The positioning block is extended to the inside of the positioning frame and fixed by bolts, which facilitates the replacement and maintenance of the slitting blade at a later time.

[0019] In a preferred solution, mounting blocks are fixedly mounted on all four sides of the base, and mounting holes for matching with fixing bolts are provided inside the mounting blocks.

[0020] By providing the mounting block, the mounting hole inside the mounting block is conducive to cooperating with the fixing bolt to install the base at the required installation position.

[0021] The utility model provides a cling film rolling and slitting mechanism with the following advantages:

[0022] The invention relates to a method for fixing the cling film by moving the cling film around the film roll and then rewinding the cling film. The method is simple and convenient. The invention relates to a method for fixing the cling film by moving the cling film around the film roll and then rewinding the cling film. The method is simple and convenient. The invention relates to a method for fixing the cling film by moving the cling film around the film roll and then rewinding the cling film. The method is simple and convenient. The invention relates to a method for fixing the cling film by moving the cling film around the film roll and then rewinding the cling film. The method is simple and convenient. The invention relates to a method for fixing the cling film by moving the cling film around the film roll and then rewinding the cling film. The method is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a right-side stereoscopic schematic diagram of a cling film rolling and slitting mechanism proposed by the utility model.

[0024] Figure 2 It is a right side stereoscopic cross-sectional schematic diagram of a cling film rolling and slitting mechanism proposed by the utility model.

[0025] Figure 3 The utility model is a left-side stereoscopic cross-sectional schematic diagram of a cling film rolling and slitting mechanism.

[0026] Figure 4 The utility model is a three-dimensional schematic diagram of a slitting blade in a cling film rolling and slitting mechanism.

[0027] Figure 5 for Figure 3 Enlarged view of point A in the middle.

[0028] In the accompanying drawings: 1. base; 11. mounting block; 2. winding assembly; 21. moving groove; 22. No. 1 motor; 23. bidirectional lead screw; 24. moving block; 25. fixed plate; 26. positioning seat; 27. No. 2 motor; 3. film winding roll; 4. support plate; 5. fixing frame; 51. limiting groove; 6. slitting assembly; 61. mounting plate; 611. groove; 62. mounting groove; 63. connecting plate; 631. limiting block; 64. slider; 641. positioning block; 65. slitting blade; 651. positioning frame; 652. bolt; 66. rotating roller; 67. sliding groove; 68. sliding block; 69. threaded rod; 610. moving roller; 7. mounting frame; 8. positioning strip. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application usually described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0030] The utility model discloses a cling film rolling and slitting mechanism which is mainly used for rolling and slitting the cling film.

[0031] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A cling film winding and slitting mechanism comprises: a base 1 and a slitting assembly 6, one side of the top of the base 1 is connected with a film roll 3 through a winding assembly 2, a support plate 4 is symmetrically fixedly installed on the side of the top of the base 1 away from the film roll 3, a fixing frame 5 is fixedly installed between the two supporting plates 4, a slitting assembly 6 is arranged inside the fixing frame 5, a mounting plate 61 is fixedly installed inside the fixing frame 5 and on the side close to the film roll 3, a mounting frame 7 is fixedly installed equidistantly on the top of the fixing frame 5, a mounting groove 62 is opened inside the top of the fixing frame 5, a connecting plate 63 is slidably connected inside the mounting groove 62, the connecting plate 63 and the mounting frame 7 are connected through an electric telescopic rod, a slider 64 is connected to the side of the bottom of the connecting plate 63 close to the film roll 3 through an electric slide rail, a slitting blade 65 is arranged on the side of the slider 64 close to the mounting plate 61, and a positioning strip 8 is fixedly installed on the side of the bottom of the connecting plate 63 away from the film roll 3.

[0032] A groove 611 is provided at the top of the mounting plate 61 and directly below the slitting blade 65 . The provision of the groove 611 is beneficial to the stability of the movement of the slitting blade 65 driven by the electric slide rail after the slitting blade 65 moves downward.

[0033] Among them, the limiting blocks 631 are symmetrically fixed on both sides of the connecting plate 63, and the limiting grooves 51 are opened on one side inside the fixing frame 5 and close to the limiting blocks 631. The limiting blocks 631 extend into the limiting grooves 51 and are slidably connected with the limiting grooves 51. By setting the limiting blocks 631 to extend into the limiting grooves 51, it is beneficial for the connecting plate 63 to move up and down more stably.

[0034] Among them, a positioning block 641 is fixedly installed at the bottom of the slider 64, and a positioning frame 651 is fixedly installed on the top of the slitting blade 65. The positioning block 641 extends to the inside of the positioning frame 651 and is fixed by a bolt 652. By setting the positioning block 641 to extend to the inside of the positioning frame 651 and fix it by a bolt 652, it is convenient for the later replacement and maintenance of the slitting blade 65.

[0035] Among them, mounting blocks 11 are fixedly installed on all four sides of the base 1, and mounting holes are opened inside the mounting blocks 11 for use with fixing bolts; by setting the mounting blocks 11, the mounting holes inside the mounting blocks 11 are conducive to cooperating with the fixing bolts to install the base 1 at the required installation position.

[0036] In this embodiment, one end of the cling film is passed through the fixing frame 5 and fixed by the film winding roll 3. An adhesive layer is provided on the outer side of the film winding roll 3. After the film winding roll 3 is completed, the electric telescopic rod pushes the connecting plate 63 downward through the provided slitting assembly 6, and the electric slide rail drives the slider 64 and the slitting blade 65 to cut the cling film, and the cling film is fixed by the positioning strip 8, which is beneficial to fix the cling film while cutting, prevents the cling film from falling off, and facilitates the replacement of the film winding roll 3 and rewinding; it solves the technical problem in the related art that, when in use, although the provided cutting mechanism is beneficial to cutting the cling film, after the cling film is cut, the cling film cannot be fixed, which easily causes the cut part of the cling film to loosen and fall off, making it inconvenient to rewind the cling film.

[0037] In the above technical solution, considering the problem of fixing different winding film rolls 3, in order to solve such problem, the specific operation is as follows:

[0038] Reference Figure 1 and Figure 2 In a preferred embodiment, the winding assembly 2 includes a moving groove 21, which is symmetrically arranged inside the top of the base 1. A bidirectional screw 23 is connected to the moving groove 21 through a No. 1 motor 22. A moving block 24 is symmetrically threadedly connected to the outside of the bidirectional screw 23 and located inside the moving groove 21. A fixing plate 25 is fixedly installed on the top of each of the two moving blocks 24. A positioning seat 26 is connected to the adjacent sides of the two fixing plates 25 through a rotating shaft. A No. 2 motor 27 is fixedly installed on one side of one of the fixing plates 25. The output end of the No. 2 motor 27 is fixedly connected to one of the rotating shafts.

[0039] In this embodiment: by setting up a rotation through the output end of the No. 1 motor 22 to drive the bidirectional screw 23 to rotate, further driving the two moving blocks 24 to move toward or in the opposite direction, it is beneficial to adjust according to the length of the film roll 3. The two positioning seats 26 are fixedly installed on the side close to each other, and the film roll 3 is placed between the two positioning seats 26. The two fixing seats extend to the inside of the two sides of the film roll 3 respectively, which is beneficial to fix the film rolls 3 of different lengths.

[0040] In the above technical solution, considering the problem of limiting the position of cling film with different thicknesses, in order to solve such problem, the specific operation is as follows:

[0041] Reference Figure 1 and Figure 3 In a preferred embodiment, a rotating roller 66 is rotatably connected inside the fixed frame 5 and on the side away from the film roll 3, and sliding grooves 67 are symmetrically opened inside the fixed frame 5 and above the slitting assembly 6. Sliding blocks 68 are slidably connected inside the sliding grooves 67. Threaded rods 69 are threadedly connected inside the top of the fixed frame 5. The bottom ends of the threaded rods 69 extend into the sliding blocks 68 and are rotatably connected to the sliding blocks 68. A moving roller 610 is rotatably connected between the two sliding blocks 68.

[0042] In this embodiment: by setting a rotating roller 66 and a movable roller 610, the two sliding blocks 68 are driven to move up and down inside the sliding groove 67 by rotating the two threaded rods 69, and the movable roller 610 is further driven to move up and down, which is beneficial to adjust the distance between the movable roller 610 and the rotating roller 66 according to the different thicknesses of the cling film, and the scope of application is wider.

[0043] All electrical equipment in this solution are powered by an external power supply and controlled by external control.

[0044] Working principle: When in use, one end of the cling film is passed through the fixing frame 5 and fixed by the film winding roll 3. An adhesive layer is provided on the outer side of the film winding roll 3. After the film winding roll 3 is completed, the slitting assembly 6 is provided, and the electric telescopic rod pushes the connecting plate 63 downward, and the electric slide rail drives the slider 64 and the slitting blade 65 to cut the cling film, and the positioning strip 8 is used to fix the cling film, which is conducive to fixing the cling film while cutting, preventing the cling film from falling off, and facilitating the replacement of the film winding roll 3 and rewinding.

[0045] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. Equivalent replacement or change based on the technical solution of the utility model and its utility model concept should be included in the protection scope of the utility model.

Claims

1. A cling film rolling and slitting mechanism, comprising a base (1) and a slitting assembly (6), characterized in that: One side of the top of the base (1) is connected to a film roll (3) via a winding assembly (2); a support plate (4) is symmetrically fixedly installed on the side of the top of the base (1) away from the film roll (3); a fixing frame (5) is fixedly installed between the two supporting plates (4); a slitting assembly (6) is arranged inside the fixing frame (5); a mounting plate (61) is fixedly installed inside the fixing frame (5) and on one side close to the film roll (3); mounting frames (7) are fixedly installed at equal distances on the top of the fixing frame (5); (5) A mounting groove (62) is provided inside the top, a connecting plate (63) is slidably connected inside the mounting groove (62), the connecting plate (63) and the mounting frame (7) are connected via an electric telescopic rod, a side of the bottom of the connecting plate (63) close to the film winding roll (3) is connected to a slider (64) via an electric slide rail, a side of the slider (64) close to the mounting plate (61) is provided with a slitting blade (65), and a positioning strip (8) is fixedly installed on a side of the bottom of the connecting plate (63) away from the film winding roll (3).

2. A cling film rolling and slitting mechanism according to claim 1, characterized in that: The winding assembly (2) comprises a moving groove (21), wherein the moving groove (21) is symmetrically arranged inside the top of the base (1), and the moving groove (21) is connected to a bidirectional lead screw (23) via a No. 1 motor (22). A moving block (24) is symmetrically threadedly connected to the outside of the bidirectional lead screw (23) and located inside the moving groove (21), and a fixing plate (25) is fixedly installed on the top of two moving blocks (24). The adjacent sides of the two fixing plates (25) are connected to a positioning seat (26) via a rotating shaft, and a No. 2 motor (27) is fixedly installed on one side of one of the fixing plates (25), and the output end of the No. 2 motor (27) is fixedly connected to one of the rotating shafts.

3. The cling film rolling and slitting mechanism according to claim 1, characterized in that: A rotating roller (66) is rotatably connected inside the fixed frame (5) and on a side away from the film roll (3); sliding grooves (67) are symmetrically opened above the fixed frame (5) and close to the slitting assembly (6); sliding blocks (68) are slidably connected inside the sliding grooves (67); threaded rods (69) are threadedly connected inside the top of the fixed frame (5); the bottom ends of the threaded rods (69) extend into the inside of the sliding blocks (68) and are rotatably connected to the sliding blocks (68); a moving roller (610) is rotatably connected between the two sliding blocks (68).

4. The cling film rolling and slitting mechanism according to claim 1, characterized in that: A groove (611) is provided on the top of the mounting plate (61) and directly below the slitting blade (65).

5. The cling film rolling and slitting mechanism according to claim 1, characterized in that: Limiting blocks (631) are symmetrically fixedly mounted on both sides of the connecting plate (63), and limiting grooves (51) are provided inside the fixing frame (5) and on one side close to the limiting blocks (631), and the limiting blocks (631) extend into the limiting grooves (51) and are slidably connected to the limiting grooves (51).

6. The cling film rolling and slitting mechanism according to claim 1, characterized in that: A positioning block (641) is fixedly mounted on the bottom of the sliding block (64), a positioning frame (651) is fixedly mounted on the top of the slitting blade (65), and the positioning block (641) extends into the interior of the positioning frame (651) and is fixed by bolts (652).

7. The cling film rolling and slitting mechanism according to claim 1, characterized in that: The base (1) is fixedly provided with mounting blocks (11) on all four sides thereof, and the mounting blocks (11) are provided with mounting holes inside thereof for use with fixing bolts.

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