Automatic cutting device for degradable bag processing

Abstract

The utility model discloses an automatic cutting device for degradable bag processing, which comprises a bottom plate, two sides of the top of the bottom plate are respectively provided with a containing cavity, the center of the top of the bottom plate is provided with a cutting groove, two groups of conveying structures are respectively arranged in the containing cavities, and two groups of limiting structures are respectively arranged on two sides of the rear side of the top of the bottom plate. A fixing shaft penetrates through the opposite sides of the two limiting structures, the two ends of the fixing shaft are sleeved with baffles correspondingly, the outer wall of the fixing shaft is connected with a degradable bag in a wound mode, and the telescopic structure is arranged in the cutting groove. The degradable bag is wound around the outer wall of the fixing shaft and placed in the two limiting structures, an electric push rod in the conveying structure compresses one end of the degradable bag and then stretches the degradable bag to a proper length, and a hydraulic rod drives a cutting knife to cut the degradable bag. And after cutting is completed, the second spring pushes the transverse plate and the end of the degradable bag on the top of the transverse plate to ascend, the conveying belt is prevented from being damaged under high-frequency cutting, the maintenance workload of workers is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of biodegradable bag processing, in particular to an automatic cutting device used for biodegradable bag processing. Background Art

[0002] Biodegradable plastics refer to a type of plastic that is degraded by microorganisms such as bacteria, molds (fungi) and algae in nature. They are increasingly used because they do not pollute the environment after being discarded. Plastic bags made from these materials are more widely used because they can replace traditional plastic bags that are more polluting.

[0003] An automatic cutting device for processing biodegradable bags with announcement number CN218140234U solves the problem that the existing cutting devices on the market may not completely cut the biodegradable plastic bags during cutting, thus affecting the later use of the products. It includes a workbench, a conveyor belt capable of conveying biodegradable bags is provided on the top of the workbench, and a cutting piece capable of cutting the biodegradable bags is provided above the workbench. The cutting piece has a cutting knife, which can move up and down, and when the cutting piece moves up and down, the cutting knife can move up and down accordingly to cut the biodegradable bags on the conveyor belt. The cutting piece can also move horizontally, and the speed of the horizontal movement of the cutting piece is the same as the speed of the conveyor belt. The utility model has the ability to completely cut the biodegradable bags, thereby achieving the effect of improving the later use of the products. In addition, the existing cutting devices also have the following disadvantages during use:

[0004] (1) The existing cutting device cuts at the top of the conveyor belt. Long-term and high-frequency cutting causes cracks or breaks in the conveyor belt, thereby increasing maintenance workload and reducing production efficiency. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the above technical defects and provide an automatic cutting device for processing degradable bags.

[0006] In order to solve the above problems, the technical solution of the utility model includes:

[0007] A bottom plate, wherein the four corners of the bottom of the bottom plate are respectively fixedly connected to the support columns, the top two sides of the bottom plate are respectively provided with cavities, the inner two sides of the two cavities are respectively provided with slide grooves, and the top center of the bottom plate is provided with a cutting groove;

[0008] A conveying structure, wherein the number of the conveying structures is two, and the two groups of the conveying structures are respectively arranged inside the cavity;

[0009] The limiting structure has two groups, and the two groups of limiting structures are respectively arranged on both sides of the top rear side of the bottom plate, and a fixed shaft is passed through the opposite side of the two groups of limiting structures, and the two ends of the fixed shaft are respectively sleeved with baffles, and the outer wall of the fixed shaft is wrapped with a degradable bag;

[0010] The telescopic structure is arranged inside the cutting groove. The telescopic structure comprises spring 2 and a cross plate. The cross plate is arranged inside the cutting groove. A plurality of equidistant springs 2 are arranged at the bottom of the cross plate.

[0011] Furthermore, each group of the conveying structure includes a threaded rod, a movable seat, an L-shaped fixed plate, an electric push rod and a pressing block. A threaded rod is provided inside the cavity, and the outer wall of the threaded rod is sleeved on the movable seat. One side of the top of the movable seat is fixedly connected to the L-shaped fixed plate, and an electric push rod is provided on the side of the bottom of the L-shaped fixed plate away from the movable seat. One end of the electric push rod is fixedly connected to the L-shaped fixed plate, and the other end is fixedly connected to the pressing block.

[0012] Furthermore, the threaded rod is threadedly connected to the movable seat, and the two sliding blocks are respectively adapted to be connected to the sliding grooves.

[0013] Furthermore, one end of the screw rod away from the baffle is threadedly connected to the thread groove, the bottom of the limit plate is fixedly connected to the telescopic rod, the outer wall of the telescopic rod is wrapped with a spring, and the bottom end of the telescopic rod is fixedly connected to the abutment plate.

[0014] Furthermore, fixing frames are provided on both sides of the top of the cutting groove, a hydraulic rod is provided on the inner top side of the fixing frame, and a cutting knife is provided at the bottom end of the hydraulic rod.

[0015] Furthermore, one end of the threaded rod is movably connected to the inner wall of the cavity, and the other end passes through the bottom plate and is fixedly connected to the output end of the motor. The two sides of the movable seat are respectively fixedly connected to the sliding blocks, and the top of the movable seat away from the L-shaped fixed plate is fixedly connected to the shovel plate.

[0016] Furthermore, each group of the limiting structures includes a fixed seat, a limiting groove, a rotating shaft, a threaded groove, a limiting plate and a screw. One end of the fixed seat is fixedly connected to the base plate, and the other end is provided with a limiting groove. A rotating shaft is provided on one side of the top of the two fixed seats close to the baffle, and a threaded groove is provided on the other side. One end of the rotating shaft is movably connected to the fixed seat, and the other end is fixedly connected to the limiting plate. A screw is passed through the end of the limiting plate away from the rotating shaft.

[0017] The advantages of the utility model compared with the existing technology are:

[0018] 1. The utility model provides an automatic cutting device for processing degradable bags, which wraps the degradable bag around the outer wall of a fixed shaft and places it inside two sets of limiting structures, then presses one end of the degradable bag through an electric push rod in the conveying structure and then stretches the degradable bag to a suitable length, and drives the cutting knife to cut the degradable bag through a hydraulic rod. After the cutting is completed, the cross plate and the end of the degradable bag on the top of the cross plate are pushed up by a second spring, and then the above operation is repeated, thereby avoiding damage to the conveyor belt under high-frequency cutting. The structure is simple, the operation is convenient, the maintenance workload of the staff is reduced, and the work efficiency is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a stereogram of the utility model.

[0020] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0021] Figure 3 yes Figure 1 Enlarged view of point B in the middle.

[0022] Figure 4 yes Figure 1 Enlarged view of the internal structure at point C in the middle.

[0023] As shown in the figure: 1. bottom plate; 2. cavity; 3. slide groove; 4. support column; 5. cutting groove; 6. fixed frame; 7. hydraulic rod; 8. cutting knife; 9. conveying structure; 901. threaded rod; 902. moving seat; 903. L-shaped fixed plate; 904. electric push rod; 905. pressing block; 906. shovel plate; 907. slider; 10. limiting structure; 1001. fixed seat; 1002. limiting groove; 1003. rotating shaft; 1004. threaded groove; 1005. limiting plate; 1006. screw; 1007. telescopic rod; 1008. spring one; 1009. abutment plate; 11. fixed shaft; 12. baffle; 13. degradable bag; 14. telescopic structure; 1401. spring two; 1402. horizontal plate. DETAILED DESCRIPTION

[0024] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices consistent with some aspects of the present disclosure as detailed in the appended claims.

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] Embodiment 1:

[0027] like Figures 1 to 4 As shown, this embodiment proposes an automatic cutting device for processing degradable bags, including a base plate 1, a conveying structure 9, a limiting structure 10 and a telescopic structure 14. The four bottom corners of the base plate 1 are fixedly connected to support columns 4 respectively. Receiving cavities 2 are respectively provided on both sides of the top of the base plate 1. Slide grooves 3 are respectively provided on both sides of the interior of the two receiving cavities 2. A cutting groove 5 is provided at the top center of the base plate 1. There are two groups of conveying structures 9, and the two groups of conveying structures 9 are respectively arranged inside the receiving cavities 2. There are two groups of limiting structures 10, and the two groups of limiting structures 10 are respectively arranged on both sides of the top rear side of the base plate 1. A fixed shaft 11 is passed through the opposite side of the two groups of limiting structures 10. The two ends of the fixed shaft 11 are respectively connected to baffles 12. The outer wall of the fixed shaft 11 is wrapped around the degradable bag 13. The telescopic structure 14 is arranged inside the cutting groove 5.

[0028] Embodiment 2:

[0029] The scheme in Example 1 is further introduced below in combination with the specific working method, as described below for details: the telescopic structure 14 includes a spring 1401 and a cross plate 1402, the interior of the cutting groove 5 is provided with a cross plate 1402, the bottom of the cross plate 1402 is provided with a plurality of equidistant springs 1401, a fixing frame 6 is provided on both sides of the top of the cutting groove 5, a hydraulic rod 7 is provided on the inner top side of the fixing frame 6, and a cutting knife 8 is provided at the bottom end of the hydraulic rod 7.

[0030] Embodiment 3:

[0031] The scheme in Example 2 is further introduced below in combination with a specific working method, as described below: Each group of conveying structures 9 includes a threaded rod 901, a movable seat 902, an L-shaped fixed plate 903, an electric push rod 904 and a pressing block 905. The interior of the cavity 2 is provided with a threaded rod 901, the outer wall of the threaded rod 901 is sleeved with the movable seat 902, one side of the top of the movable seat 902 is fixedly connected to the L-shaped fixed plate 903, and the bottom of the L-shaped fixed plate 903 is provided with an electric push rod 904 on the side away from the movable seat 902. 04, one end of the electric push rod 904 is fixedly connected to the L-shaped fixing plate 903, and the other end is fixedly connected to the pressing block 905. One end of the threaded rod 901 is movably connected to the inner wall of the cavity 2, and the other end passes through the bottom plate 1 and is fixedly connected to the output end of the motor. The two sides of the moving seat 902 are respectively fixedly connected to the sliders 907, and the top of the side of the moving seat 902 away from the L-shaped fixing plate 903 is fixedly connected to the shovel plate 906. The threaded rod 901 is threadedly connected to the moving seat 902, and the two sliders 907 are respectively adapted to be connected to the slide groove 3.

[0032] Embodiment 4:

[0033] The scheme in Example 3 is further introduced below in combination with the specific working method, as described below: Each group of limiting structures 10 includes a fixed seat 1001, a limiting groove 1002, a rotating shaft 1003, a threaded groove 1004, a limiting plate 1005 and a screw 1006, one end of the fixed seat 1001 is fixedly connected to the bottom plate 1, and the other end is provided with a limiting groove 1002, and the top of the two fixed seats 1001 close to the baffle 12 is provided with a rotating shaft 1003 on one side and a threaded groove 1004 on the other side. Slot 1004, one end of the rotating shaft 1003 is movably connected to the fixed seat 1001, and the other end is fixedly connected to the limiting plate 1005, the end of the limiting plate 1005 away from the rotating shaft 1003 is penetrated by a screw 1006, and the end of the screw 1006 away from the baffle 12 is threadedly connected to the threaded groove 1004, the bottom of the limiting plate 1005 is fixedly connected to the telescopic rod 1007, the outer wall of the telescopic rod 1007 is wound with a spring 1008, and the bottom end of the telescopic rod 1007 is fixedly connected to the abutment plate 1009.

[0034] The degradable bag 13 is wrapped around the outer wall of the fixed shaft 11 and placed inside the two sets of limiting structures 10. The limiting structure 10 facilitates the disassembly and installation of the fixed shaft 11. Then, the electric push rod 904 in the conveying structure 9 presses one end of the degradable bag 13 and then stretches the degradable bag 13 to a suitable length. The hydraulic rod 7 drives the cutting knife 8 to cut the degradable bag 13. After the cutting is completed, the spring 1401 pushes the cross plate 1402 and the end of the degradable bag 13 on the top of the cross plate 1402 to rise, and then the above operation is repeated, thereby avoiding damage to the conveyor belt under high-frequency cutting. The structure is simple, the operation is convenient, the maintenance workload of the staff is reduced, and the work efficiency is increased.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0037] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. An automatic cutting device for processing biodegradable bags, characterized in that: include: A bottom plate (1), wherein the four bottom corners of the bottom plate (1) are respectively fixedly connected to support columns (4), the top two sides of the bottom plate (1) are respectively provided with cavities (2), the inside two sides of the two cavities (2) are respectively provided with slide grooves (3), and the top center of the bottom plate (1) is provided with a cutting groove (5); Conveying structures (9), the number of the conveying structures (9) being two groups, and the two groups of the conveying structures (9) being respectively arranged inside the containing cavity (2); A limiting structure (10), wherein the limiting structure (10) is provided in two groups, and the two groups of the limiting structures (10) are respectively arranged on two sides of the top rear side of the bottom plate (1), and a fixed shaft (11) is passed through the opposite side of the two groups of the limiting structures (10), and the two ends of the fixed shaft (11) are respectively sleeved with a baffle (12), and the outer wall of the fixed shaft (11) is wrapped with a degradable bag (13); A telescopic structure (14), the telescopic structure (14) is arranged inside the cutting groove (5), the telescopic structure (14) comprises a spring 2 (1401) and a cross plate (1402), the cross plate (1402) is arranged inside the cutting groove (5), and a plurality of equidistant springs 2 (1401) are arranged at the bottom of the cross plate (1402).

2. The automatic cutting device for processing biodegradable bags according to claim 1, characterized in that: Fixed frames (6) are provided on both sides of the top of the cutting groove (5), a hydraulic rod (7) is provided on the inner top side of the fixed frame (6), and a cutting knife (8) is provided at the bottom end of the hydraulic rod (7).

3. The automatic cutting device for processing biodegradable bags according to claim 1, characterized in that: Each group of the conveying structure (9) comprises a threaded rod (901), a movable seat (902), an L-shaped fixed plate (903), an electric push rod (904) and a pressing block (905); a threaded rod (901) is arranged inside the cavity (2); the outer wall of the threaded rod (901) is sleeved on the movable seat (902); one side of the top of the movable seat (902) is fixedly connected to the L-shaped fixed plate (903); an electric push rod (904) is arranged on the side of the bottom of the L-shaped fixed plate (903) away from the movable seat (902); one end of the electric push rod (904) is fixedly connected to the L-shaped fixed plate (903), and the other end is fixedly connected to the pressing block (905).

4. The automatic cutting device for processing biodegradable bags according to claim 3, characterized in that: One end of the threaded rod (901) is movably connected to the inner wall of the cavity (2), and the other end passes through the bottom plate (1) and is fixedly connected to the output end of the motor. Both sides of the movable seat (902) are respectively fixedly connected to sliding blocks (907), and the top of the side of the movable seat (902) away from the L-shaped fixed plate (903) is fixedly connected to a shovel plate (906).

5. The automatic cutting device for processing biodegradable bags according to claim 4, characterized in that: The threaded rod (901) is threadedly connected to the movable seat (902), and the two sliding blocks (907) are respectively adapted to be connected to the sliding grooves (3).

6. The automatic cutting device for processing biodegradable bags according to claim 1, characterized in that: Each group of the limiting structures (10) comprises a fixed seat (1001), a limiting groove (1002), a rotating shaft (1003), a threaded groove (1004), a limiting plate (1005) and a screw (1006); one end of the fixed seat (1001) is fixedly connected to the bottom plate (1), and the other end is provided with a limiting groove (1002); one side of the top of the two fixed seats (1001) close to the baffle (12) is provided with a rotating shaft (1003), and the other side is provided with a threaded groove (1004); one end of the rotating shaft (1003) is movably connected to the fixed seat (1001), and the other end is fixedly connected to the limiting plate (1005); and the end of the limiting plate (1005) away from the rotating shaft (1003) is penetrated by a screw (1006).

7. The automatic cutting device for processing biodegradable bags according to claim 6, characterized in that: One end of the screw rod (1006) away from the baffle plate (12) is threadedly connected to the thread groove (1004), the bottom of the limit plate (1005) is fixedly connected to the telescopic rod (1007), the outer wall of the telescopic rod (1007) is wound with a spring 1 (1008), and the bottom end of the telescopic rod (1007) is fixedly connected to the abutment plate (1009).

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