Cutting mechanism for full-degradable composite film bag production

Abstract

The utility model discloses a cutting mechanism for full-degradable composite film bag production, which comprises a rear side plate, a first rolling wheel and a second rolling wheel, a front side plate is arranged on one side of the rear side plate, the first rolling wheel and the second rolling wheel are arranged on the front side wall surface of the rear side plate, a second small belt pulley is arranged at one end of the second rolling wheel, and a second small belt pulley is arranged at the other end of the second rolling wheel. A second transmission belt is arranged among the large belt pulley, the first small belt pulley and the second small belt pulley in a tensioning mode. The first winding wheel and the second winding wheel are designed and are connected with the large belt pulley through the first small belt pulley and the second small belt pulley respectively, a synchronous transmission system is formed, synchronous winding of the two winding wheels (the first winding wheel and the second winding wheel) is achieved, the winding efficiency is improved, and the winding speed is increased. And the uniformity and consistency of rolling of the two sides of the film bag are guaranteed, and meanwhile it is guaranteed that the needed part and the remaining part can be accurately separated in the cutting process and rolled respectively.

Description

TECHNICAL FIELD

[0001] The utility model relates to composite film bag cutting technical field, concretely relates to a cutting mechanism for full-degradable composite film bag production. BACKGROUND

[0002] Composite film is a kind of film by multiple layers of different materials composite, with excellent physical and chemical properties, these properties make composite film have wide application in multiple fields, such as food packaging, building material outer package and industrial special packaging etc., cutting is one of the key steps in the production process of composite film, therefore, in the production process of composite film bag, cutting mechanism is needed to cut it into specific size.

[0003] The existing cutting mechanism can only wind the required part when slitting composite film bag, and the remaining part will be scattered and accumulated, for example, the slitting device for degradable composite film high-temperature curing disclosed in the announcement No.CN219156084U, although the winding roller in the patent can wind the slitted composite film, but in the slitting process, in addition to the part wound by the winding roller, other parts may be scattered and accumulated, which needs additional manual or mechanical means to arrange and recycle, this process is time-consuming and laborious, increases labor cost, and the scattered and accumulated remaining part is often treated as waste, but in fact, it may still contain usable materials, this treatment method causes material waste.

[0004] Therefore, it is necessary to invent a cutting mechanism for full-degradable composite film bag production to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a cutting mechanism for full-degradable composite film bag production to solve the problem that in the slitting process of composite film bag, only the required part can be wound, and the remaining part will be scattered and accumulated.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a cutting mechanism for full-degradable composite film bag production, including rear side plate, no. 1 winding wheel and no. 2 winding wheel, the side of rear side plate is provided with front side plate, the rear side plate is rotatably connected with front side plate between conveying roller, the rear side plate and front side plate are also provided with support cylinder between, the middle part of support cylinder is rotatably connected with connecting shaft, the upper side of support cylinder is provided with cutter, the front side wall surface of rear side plate is provided with no. 1 winding wheel and no. 2 winding wheel, the front side wall surface of rear side plate is also provided with servo motor, the output end of servo motor is connected with large belt pulley, one end of no. 1 winding wheel is provided with no. 1 small belt pulley, one end of no. 2 winding wheel is provided with no. 2 small belt pulley, the large belt pulley, no. 1 small belt pulley and no. 2 small belt pulley are tensioned with no. 2 transmission belt between.

[0007] Preferably, the front side wall surface of the rear side plate is provided with guide rollers, the guide rollers are provided in plurality, and the guide rollers are rotationally connected with the rear side plate, the rotational connection of the plurality of guide rollers with the rear side plate can provide continuous guiding support and improve the stability of the film bag conveying.

[0008] Preferably, one side of the guide roller is provided with a conveying roller, the conveying roller is provided in two, and the two guide rollers are parallel to each other, thereby realizing continuous and stable conveying of the film bag.

[0009] Preferably, one end of one of the conveying rollers is provided with a first pulley, one end of the other conveying roller is provided with a second pulley, and the first pulley and the second pulley are tensioned with a first transmission belt therebetween, thereby realizing synchronous and coordinated rotation.

[0010] Preferably, one end of the second pulley is provided with a rotary motor, the rotary motor is located on the side wall of the rear side plate, and the output end of the rotary motor is connected with the second pulley, the rotary motor serving as a power source of the conveying roller drives the conveying roller to rotate.

[0011] Preferably, the outer surfaces of the two conveying rollers are each provided with anti-skid convex balls, the anti-skid convex balls are provided in plurality, and the plurality of anti-skid convex balls are made of silica gel material, the anti-skid convex balls enhance the friction force of the surface of the conveying roller and prevent the film bag from sliding or deviating during the conveying process.

[0012] Preferably, the two ends of the connecting shaft are provided with through grooves at the positions penetrating the rear side plate and the front side plate, the design of the through grooves allows the position of the supporting roller to be adjusted as needed, thereby increasing the flexibility and adaptability of the cutting mechanism.

[0013] Preferably, the two ends of the connecting shaft are each provided with a first connecting piece, the side walls of the rear side plate and the front side plate are each provided with an electric push rod, the electric push rod is provided in two, the output ends of the two electric push rods are each provided with a second connecting piece, and the first connecting piece and the second connecting piece are hingedly connected with a connecting rod, thereby realizing adjustment of the height of the supporting roller and allowing the cutting mechanism to be flexibly adjusted according to film bags of different thicknesses and sizes.

[0014] In the above technical solution, the technical effects and advantages of the utility model are as follows:

[0015] 1. The utility model allows the connecting shaft to penetrate the rear side plate and the front side plate through the design of the through grooves, and the linkage adjustment mechanism of the electric push rod and the connecting rod allows the position of the supporting roller to be adjusted as needed, and such flexibility not only meets the cutting needs of film bags of different thicknesses, but also allows the cutting mechanism to adapt to film bags of different sizes and shapes, thereby improving the application range and practicality thereof;

[0016] 2. The utility model discloses a design no. 1 winding wheel and no. 2 winding wheel, and are connected with the big pulley through no. 1 small pulley and no. 2 small pulley respectively, form the system of synchronous transmission, realize the synchronous winding of two winding wheels (no. 1 winding wheel and no. 2 winding wheel), this design not only improves the winding efficiency, also ensures the uniformity and consistency of the both sides winding of membrane bag, simultaneously also ensures the needed part with the remaining part in cutting process can be separated accurately, and carries out winding respectively. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the whole structure schematic diagram of the utility model's conveying roller and antiskid convex ball three-dimensional structure;

[0019] Figure 3 It is the whole overhead three-dimensional structure schematic diagram of the utility model;

[0020] Figure 4 It is the support cylinder three-dimensional structure schematic diagram of the utility model;

[0021] Figure 5 It is the whole rear view three-dimensional structure schematic diagram of the utility model.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1, rear side plate;2, front side plate;3, guide roller;4, conveying roller;5, no. 1 pulley;6, no. 2 pulley;7, no. 1 transmission belt;8, antiskid convex ball;9, rotary motor;10, support cylinder;11, connecting shaft;12, through slot;13, no. 1 connecting piece;14, electric push rod;15, no. 2 connecting piece;16, connecting rod;17, cutter;18, no. 1 winding wheel;19, no. 2 winding wheel;20, servo motor;21, big pulley;22, no. 1 small pulley;23, no. 2 small pulley;24, no. 2 transmission belt. DETAILED DESCRIPTION

[0024] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in detail below in conjunction with the drawings.

[0025] The utility model provides a kind of film bag cutting device, including conveying roller, cutter, no. 1 winding wheel and no. 2 winding wheel, it is characterized by: Figures 1-5The cutting mechanism for producing a fully degradable composite film bag is shown, including a rear side plate 1, a first winding wheel 18 and a second winding wheel 19, the side of the rear side plate 1 is provided with a front side plate 2, the rear side plate 1 and the front side plate 2 are rotatably connected with a conveying roller 4, the rear side plate 1 and the front side plate 2 are also provided with a supporting roller 10, the middle part of the supporting roller 10 is rotatably connected with a connecting shaft 11, the upper part of the supporting roller 10 is provided with a cutter 17, the front side wall surface of the rear side plate 1 is provided with the first winding wheel 18 and the second winding wheel 19, the front side wall surface of the rear side plate 1 is also provided with a servo motor 20, the output end of the servo motor 20 is connected with a large belt pulley 21, one end of the first winding wheel 18 is provided with a small belt pulley 22, one end of the second winding wheel 19 is provided with a second small belt pulley 23, the large belt pulley 21, the small belt pulley 22 and the second small belt pulley 23 are tensioned with a second transmission belt 24.

[0026] Through the connection of the second transmission belt 24 with the first small belt pulley 22 and the second small belt pulley 23, the synchronous rotation of the first winding wheel 18 and the second winding wheel 19 is realized, which ensures that the first winding wheel 18 and the second winding wheel 19 can respectively separate the required part and the remaining part for winding during the cutting process.

[0027] The front side wall surface of the rear side plate 1 is provided with a plurality of guide rollers 3, the guide rollers 3 are rotatably connected with the rear side plate 1, one side of the guide roller 3 is provided with a conveying roller 4, the conveying roller 4 is provided with two, the two guide rollers 3 are parallel to each other, one end of one of the conveying rollers 4 is provided with a first belt pulley 5, one end of the other conveying roller 4 is provided with a second belt pulley 6, the first belt pulley 5 and the second belt pulley 6 are tensioned with a first transmission belt 7, one end of the second belt pulley 6 is provided with a rotary motor 9, the rotary motor 9 is located on the side wall of the rear side plate 1, the output end of the rotary motor 9 is connected with the second belt pulley 6, the outer surfaces of the two conveying rollers 4 are provided with anti-skid convex balls 8, the anti-skid convex balls 8 are made of silica gel material.

[0028] Through the synergistic effect of the plurality of guide rollers 3 and the conveying rollers 4, the stability and accuracy of the film bag during the conveying process are ensured, and the outer surfaces of the two conveying rollers 4 are provided with a plurality of silica gel material anti-skid convex balls 8, which can enhance the friction force of the conveying roller 4 surface, prevent the film bag from sliding or deviating during the conveying process.

[0029] The two ends of the connecting shaft 11 penetrate the positions where the rear side plate 1 and the front side plate 2 are provided with a through slot 12, the two ends of the connecting shaft 11 are provided with a first connecting piece 13, the side walls of the rear side plate 1 and the front side plate 2 are provided with an electric push rod 14, the electric push rod 14 is provided with two, the output ends of the two electric push rods 14 are provided with a second connecting piece 15, the first connecting piece 13 and the second connecting piece 15 are hinged with a connecting rod 16.

[0030] The linkage adjustment mechanism of the electric push rod 14 and the connecting rod 16 can adjust the height of the supporting roller 10 according to the film bags with different thicknesses and sizes, so as to adjust the distance between the supporting roller 10 and the cutter 17, thereby meeting the cutting requirements of the film bags with different thicknesses and sizes.

[0031] The working principle of the utility model is as follows:

[0032] Referring to the drawings in the specification Figures 1-5 In the use of the utility model, first, the film bag to be cut is placed between the guide roller 3 and the conveying roller 4, and the film bag is ensured to enter the conveying area stably along the guide direction of the guide roller 3. The conveying roller 4 is driven by the rotating motor 9 and rotates synchronously through the No. 1 transmission belt 7, so as to continuously and stably convey the film bag to the space between the supporting roller 10 and the cutter 17. Then, according to the thickness and size of the film bag, the height of the supporting roller 10 is adjusted through the extension and retraction of the electric push rod 14. After the adjustment is completed, the distance between the supporting roller 10 and the cutter 17 is ensured to meet the cutting requirements. When the film bag is conveyed to the predetermined position, the film bag is cut in the conveying process. The supporting roller 10 can support the film bag and prevent it from sagging or deforming. Then, the servo motor 20 is started, and the servo motor 20 drives the No. 1 small pulley 22 and the No. 2 small pulley 23 to rotate synchronously through the No. 2 transmission belt 24, so that the cut film bag part and the remaining part are respectively wound by the No. 1 winding roller 18 and the No. 2 winding roller 19.

Claims

1. A cutting mechanism for producing a fully degradable composite film bag, comprising a back side plate (1), a first winding wheel (18) and a second winding wheel (19), characterized in that: One side of the rear side plate (1) is provided with a front side plate (2), the rear side plate (1) and the front side plate (2) are rotatably connected with a conveying roller (4), the rear side plate (1) and the front side plate (2) are also provided with a supporting roller (10), the middle part of the supporting roller (10) is rotatably connected with a connecting shaft (11), the upper part of the supporting roller (10) is provided with a cutter (17), the front side wall surface of the rear side plate (1) is provided with a first winding wheel (18) and a second winding wheel (19), the front side wall surface of the rear side plate (1) is also provided with a servo motor (20), the output end of the servo motor (20) is connected with a large pulley (21), one end of the first winding wheel (18) is provided with a small pulley (22), one end of the second winding wheel (19) is provided with a second small pulley (23), the large pulley (21), the first small pulley (22) and the second small pulley (23) are tensioned with a second transmission belt (24).

2. A cutting mechanism for the production of fully degradable composite film bags according to claim 1, characterized in that: The front side wall surface of the rear side plate (1) is provided with a guide roller (3), the guide roller (3) is provided with a plurality of guide rollers (3), and the guide roller (3) is rotatably connected with the rear side plate (1).

3. The cutting mechanism for producing a fully degradable composite film bag according to claim 2, characterized in that: One side of the guide roller (3) is provided with a conveying roller (4), the conveying roller (4) is provided with two conveying rollers (4), and the two guide rollers (3) are parallel to each other.

4. The cutting mechanism for producing a fully degradable composite film bag according to claim 3, characterized in that: One end of one of the conveying rollers (4) is provided with a first pulley (5), and the other end of the other conveying roller (4) is provided with a second pulley (6), the first pulley (5) and the second pulley (6) are tensioned with a first transmission belt (7).

5. The cutting mechanism for producing a fully degradable composite film bag according to claim 4, characterized in that: One end of the second pulley (6) is provided with a rotary motor (9), and the rotary motor (9) is located on the side wall of the rear side plate (1), and the output end of the rotary motor (9) is connected with the second pulley (6).

6. The cutting mechanism for producing a fully degradable composite film bag according to claim 3, characterized in that: The outer surfaces of the two conveying rollers (4) are provided with anti-skid convex balls (8), the anti-skid convex balls (8) are made of silica gel material.

7. The cutting mechanism for the production of fully degradable composite film bags according to claim 1, characterized in that: The two ends of the connecting shaft (11) penetrate the positions where the rear side plate (1) and the front side plate (2) are provided with a through groove (12).

8. The cutting mechanism for producing a fully degradable composite film bag according to claim 7, characterized in that: The two ends of the connecting shaft (11) are provided with a first connecting piece (13), the side walls of the rear side plate (1) and the front side plate (2) are provided with an electric push rod (14), the electric push rod (14) is provided with two electric push rods (14), the output ends of the two electric push rods (14) are provided with a second connecting piece (15), and the first connecting piece (13) and the second connecting piece (15) are hinged with a connecting rod (16).

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