Ultralow-temperature segmentation device for high polymer

By using liquid nitrogen spray to embrittle rubber at ultra-low temperatures and then cutting it into blocks or sheets with a cutting blade, the problem of cutting rubber polymers at room temperature is solved, achieving neat cutting edges and high dimensional accuracy.

CN223558573UActive Publication Date: 2025-11-18FUJINRUNHE PHARM TECH (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202423233477.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-18
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Rubber polymers are difficult to cut into regular shapes at room temperature, resulting in uneven cut edges and difficulty in controlling dimensional accuracy.

Method used

Liquid nitrogen is used to embrittle the rubber at ultra-low temperatures. A cylinder drives a cutting blade to cut the rubber into blocks or sheets, and the cut rubber is automatically discharged via an electric telescopic rod.

Benefits of technology

It achieves brittle cutting of rubber, with neat cutting edges, high dimensional accuracy, and convenient automated processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of segmentation devices, and discloses a high polymer ultra-low temperature segmentation device which comprises a working box, a mounting frame is fixedly connected to the middle of the outer wall of the rear end of the working box, a liquid nitrogen tank is placed on the bottom face of the mounting frame, and a liquid nitrogen conveying pump is fixedly connected to one side of the rear end of the upper surface of the working box. According to the high polymer segmenting device, when the high polymer segmenting device is used, rubber needing to be segmented is conveniently placed through the placing frame, the liquid nitrogen valve is opened, the liquid nitrogen conveying pump is started at the moment, conveyed liquid nitrogen is extracted from the input end of the liquid nitrogen conveying pump, and the liquid nitrogen is conveyed into the runner pipe through the output end; the liquid nitrogen is sprayed to the surface of the rubber through the multiple sprayers, the ultralow temperature of the liquid nitrogen enables the rubber to rapidly lose elasticity and become brittle, when the rubber is in a brittle state, the air cylinder is started to drive the cutting knife to move, then the rubber is more easily cut into needed blocks or sheets, and the cutting edge is more tidy.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cutting device technical field especially relates to a kind of polymer ultralow temperature cutting device. BACKGROUND

[0002] It is known that polymer includes rubber polymer, they have unique properties and wide application, rubber polymer mainly includes natural rubber and synthetic rubber, rubber polymer in production process, often need to be cut into suitable block or sheet by cutting device, facilitate subsequent processing link more smoothly.

[0003] Generally, rubber polymer has the characteristics of high elasticity and toughness, at room temperature, this characteristic makes it difficult to cut rubber into regular shape, because rubber is easy to deform and rebound when subjected to cutting force, leading to cutting edge irregular, size accuracy is difficult to control, therefore, it is urgent to make technical improvement. SUMMARY

[0004] The utility model aims at solving the shortcomings in prior art, and provides a kind of polymer ultralow temperature cutting device, the polymer cutting device uses, by placing frame, the rubber needed to be cut is placed, by opening liquid nitrogen valve, at this time, by starting liquid nitrogen delivery pump, liquid nitrogen is extracted from the input end of liquid nitrogen delivery pump, and is transported to the flow pipe by the output end, and then sprayed onto the surface of rubber by multiple spray heads, the ultralow temperature of liquid nitrogen can make rubber lose elasticity rapidly and become brittle, when rubber is in the state of embrittlement, by starting cylinder to drive cutting knife to move, it is more easily cut into the block or sheet needed, and the cutting edge is more neat.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of polymer ultralow temperature cutting device, including working tank, the middle part of the rear end outer wall of the working tank is fixedly connected with installation frame, the bottom surface of the installation frame is placed with liquid nitrogen tank, the rear end of the upper surface of the working tank is fixedly connected with liquid nitrogen delivery pump, the inner wall of the working tank is fixedly connected with flow pipe on both sides, the upper end of the flow pipe is all through working tank to the outside of working tank and is connected with each other, the lower part of the outer wall of the adjacent side of the flow pipe is all connected with multiple spray heads penetratingly;

[0007] The lower part of the front end outer wall of the working tank is provided with taking groove, the middle part of the top surface of the taking groove is connected with the inside of the working tank penetratingly, the lower part of the rear end inner wall of the taking groove is hingedly connected with electric telescopic rod, the output end of the electric telescopic rod is hingedly connected with placing plate, the placing plate is rotatably connected with the rear end of the two sides of the top inner wall of the taking groove.

[0008] By the above technical scheme, compared with the existing high polymer cutting device, when the cutting is completed, the placing plate is driven to move by starting the electric telescopic rod, and then the placing plate is opened and closed, so that the cut rubber can be automatically discharged into the taking groove, which is convenient for subsequent centralized processing and has high practicality.

[0009] Further, the working box is filled with vacuum insulation boards or polyurethane foams in the middle to reduce the transmission of external heat and maintain a low-temperature environment inside, and a protective door is hingedly connected to the upper part of the front outer wall of the working box, and a handle is fixedly connected to one side of the front outer wall of the protective door.

[0010] Through the above technical scheme, the handle is convenient for opening or closing the protective door.

[0011] Further, a PLC control panel is arranged on the upper part of the outer wall of the working box.

[0012] Through the above technical scheme, the PLC control panel is electrically connected with the liquid nitrogen delivery pump, the air cylinder and the electric telescopic rod, so as to facilitate the control of the switch.

[0013] Further, a placing frame is fixedly connected to the edge of the inner bottom surface of the working box, and a plurality of cutting grooves are arranged on the upper surfaces of the placing frame and the placing plate.

[0014] Through the above technical scheme, the placing frame is convenient for placing the required sliced products, and the cutting grooves are convenient for use in cooperation with the cutting knife.

[0015] Further, a protective cover is embedded in the middle of the inner top surface of the working box, an air cylinder is fixedly connected to the middle of the inner top surface of the protective cover, and a cutting-off knife is fixedly connected to the output end of the air cylinder.

[0016] Through the above technical scheme, the air cylinder is convenient for driving the cutting-off knife to move, the cutting knife adopts a hard alloy cutter, the cutter edge is finely ground, has high hardness, high strength and wear resistance, can keep sharp in an ultra-low temperature environment, and effectively cuts high polymer materials.

[0017] Further, support legs are fixedly connected to the four corners of the lower surface of the working box.

[0018] Through the above technical scheme, the support legs are convenient for improving the stability of the whole.

[0019] Further, the input end of the liquid nitrogen delivery pump is in through connection with the output end of the liquid nitrogen tank, and the output end of the liquid nitrogen delivery pump is in through connection with the flow-through pipe.

[0020] Through the technical scheme, liquid nitrogen output by the liquid nitrogen tank is extracted by the liquid nitrogen delivery pump and delivered into the flow pipe, the liquid nitrogen delivery pipe is a vacuum heat insulation pipe, which is composed of an inner pipe and an outer pipe, the inner pipe is used for delivering liquid nitrogen, and the outer pipe is used for protection and heat insulation, and the space between the inner pipe and the outer pipe is vacuumized to form a vacuum heat insulation layer.

[0021] Further, the lower end of the inner wall on the two sides of the taking groove is rotationally connected with a cover plate, the upper end of the middle part of the outer wall at the front end of the cover plate is fixedly connected with an extension rod, and the lower part of the outer wall at the front end of the working box is fixedly connected with a limiting block on the two sides.

[0022] Through the technical scheme, the extension rod and the limiting block are connected to limit the cover plate.

[0023] The high polymer ultra-low temperature cutting device has the following beneficial effects:

[0024] 1. The high polymer ultra-low temperature cutting device is compared with the existing high polymer cutting device, and the placing frame is used to place the rubber to be cut during use. The liquid nitrogen valve is opened, and the liquid nitrogen delivered by the liquid nitrogen delivery pump is extracted from the input end of the liquid nitrogen delivery pump and delivered into the flow pipe. The liquid nitrogen is sprayed onto the surface of the rubber through the multiple nozzles. The ultra-low temperature of the liquid nitrogen can make the rubber lose elasticity and become brittle. When the rubber is in a brittle state, the cutting knife is driven to move by the cylinder, and the rubber is easily cut into blocks or pieces, and the cutting edge is more uniform.

[0025] 2. The high polymer ultra-low temperature cutting device is compared with the existing high polymer cutting device, and the placing plate is driven to move by the electric telescopic rod when the cutting is completed, and the placing plate is opened and closed. The rubber cut by the placing plate is automatically arranged into the taking groove, which is convenient for subsequent centralized processing, and has high practicality. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 The high polymer ultra-low temperature cutting device is compared with the existing high polymer cutting device, and the placing plate is driven to move by the electric telescopic rod when the cutting is completed, and the placing plate is opened and closed. The rubber cut by the placing plate is automatically arranged into the taking groove, which is convenient for subsequent centralized processing, and has high practicality.

[0027] Figure 2 The high polymer ultra-low temperature cutting device is compared with the existing high polymer cutting device, and the placing plate is driven to move by the electric telescopic rod when the cutting is completed, and the placing plate is opened and closed. The rubber cut by the placing plate is automatically arranged into the taking groove, which is convenient for subsequent centralized processing, and has high practicality. Figure 1 The high polymer ultra-low temperature cutting device is compared with the existing high polymer cutting device, and the placing plate is driven to move by the electric telescopic rod when the cutting is completed, and the placing plate is opened and closed. The rubber cut by the placing plate is automatically arranged into the taking groove, which is convenient for subsequent centralized processing, and has high practicality.

[0028] Figure 3 The high polymer ultra-low temperature cutting device is compared with the existing high polymer cutting device, and the placing plate is driven to move by the electric telescopic rod when the cutting is completed, and the placing plate is opened and closed. The rubber cut by the placing plate is automatically arranged into the taking groove, which is convenient for subsequent centralized processing, and has high practicality.

[0029] Figure 4 The high polymer ultra-low temperature cutting device is compared with the existing high polymer cutting device, and the placing plate is driven to move by the electric telescopic rod when the cutting is completed, and the placing plate is opened and closed. The rubber cut by the placing plate is automatically arranged into the taking groove, which is convenient for subsequent centralized processing, and has high practicality.

[0030] Figure 5 The utility model provides an unfolding lower view schematic diagram of a high polymer ultralow temperature cutting device.

[0031] Figure 6 The utility model provides an axle section schematic diagram of a protective cover in a high polymer ultralow temperature cutting device.

[0032] Figure 7 The utility model provides a structure schematic diagram of a placing plate in a high polymer ultralow temperature cutting device.

[0033] Legend:

[0034] 1, work box;11, protective door;12, handle;13, plc control panel;14, limiting block;15, placing frame;16, cutting groove;17, protective cover;18, air cylinder;19, cutting knife;110, support leg;2, mounting frame;21, liquid nitrogen tank;22, liquid nitrogen delivery pump;23, flow pipe;24, spray head;3, take groove;31, cover plate;32, telescopic rod;33, electric telescopic rod;34, placing plate. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0036] With reference to Figures 1-7 The utility model provides an embodiment: a high polymer ultralow temperature cutting device, including work box 1, the middle part of the rear end outer wall of work box 1 is fixedly connected with mounting frame 2, and the bottom surface of mounting frame 2 is placed with liquid nitrogen tank 21, and the rear end of the upper surface of work box 1 is fixedly connected with liquid nitrogen delivery pump 22 on one side, and the both sides of the inner wall of work box 1 are all fixedly connected with flow pipe 23, and the upper end of flow pipe 23 all penetrates work box 1 to the outside of work box 1 and is connected with each other, and the lower part of the outer wall of adjacent side of flow pipe 23 is all connected with a plurality of spray heads 24 through connection,

[0037] The lower part of the front end outer wall of work box 1 is provided with take groove 3, and the middle part of the top surface of take groove 3 is connected with the inside of work box 1 through connection, and the lower part of the rear end inner wall of take groove 3 is hingedly connected with electric telescopic rod 33, and the output end of electric telescopic rod 33 is hingedly connected with placing plate 34, and placing plate 34 is rotatably connected with the both sides of the rear end of the top inner wall of take groove 3.

[0038] Compared with the existing high polymer cutting device, when the cutting is completed, the placing plate 34 is driven to move by starting the electric telescopic rod 33, and then the placing plate 34 is opened and closed, so that the cut rubber can be automatically discharged into the taking groove 3, which is convenient for subsequent centralized processing, and the practicality is higher.

[0039] The work box 1 is filled with vacuum insulation board or polyurethane foam in the middle to reduce the transmission of external heat and maintain a low-temperature environment inside. The upper part of the front outer wall of the work box 1 is hingedly connected with a protective door 11. One side of the front outer wall of the protective door 11 is fixedly connected with a handle 12. The handle 12 is convenient for opening or closing the protective door 11. The upper part of the outer wall of one side of the work box 1 is provided with a plc control panel 13. The plc control panel 13 is electrically connected with the liquid nitrogen delivery pump 22, the air cylinder 18 and the electric telescopic rod 33, which is convenient for controlling the switch. The edge of the inner bottom surface of the work box 1 is fixedly connected with a placing frame 15. The upper surfaces of the placing frame 15 and the placing plate 34 are both provided with a plurality of cutting grooves 16. The placing frame 15 is convenient for placing the required slicing products. The cutting grooves 16 are convenient for use with the cutting knife. The middle part of the inner top surface of the work box 1 is embedded with a protective cover 17. The middle part of the inner top surface of the protective cover 17 is fixedly connected with the air cylinder 18. The output end of the air cylinder 18 is fixedly connected with the cutting knife 19. The air cylinder 18 is convenient for driving the cutting knife 19 to move. The four corners of the lower surface of the work box 1 are all fixedly connected with supporting legs 110, which is convenient for improving the stability of the whole. The input end of the liquid nitrogen delivery pump 22 is throughly connected with the output end of the liquid nitrogen tank 21. The output end of the liquid nitrogen delivery pump 22 is throughly connected with the flow-through pipe 23. The liquid nitrogen delivery pump 22 is convenient for extracting the liquid nitrogen output by the liquid nitrogen tank 21 and delivering it into the flow-through pipe 23. The lower ends of the inner walls of the two sides of the taking groove 3 are rotatably connected with cover plates 31. The upper end of the middle part of the front outer wall of the cover plate 31 is fixedly connected with a telescopic rod 32. The lower part of the front outer wall of the work box 1 is fixedly connected with limit blocks 14 on both sides. The telescopic rod 32 is in clamping cooperation with the limit blocks 14, which is convenient for limiting the cover plate 31.

[0040] Working principle: when in use, the required cutting rubber is placed in the placing frame 15. The liquid nitrogen valve is opened. At this time, the liquid nitrogen delivered by the liquid nitrogen delivery pump 22 is extracted from the input end of the liquid nitrogen delivery pump 22 and delivered into the flow-through pipe 23 through the output end. Then the liquid nitrogen is sprayed onto the surface of the rubber through a plurality of nozzles 24. The ultra-low temperature of the liquid nitrogen can make the rubber lose elasticity and become brittle. When the rubber is in a brittle state, the cutting knife is driven to move by starting the air cylinder 18, which makes it easier to cut it into the required block or sheet shape, and the cutting edge is more uniform. When the cutting is completed, the placing plate 34 is driven to move by starting the electric telescopic rod 33, and then the placing plate 34 is opened and closed, so that the cut rubber can be automatically discharged into the taking groove 3, which is convenient for subsequent centralized processing.

[0041] It should be pointed out finally that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the present application is described in detail with reference to the foregoing embodiments, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A high polymer ultralow temperature cutting device comprising a working tank (1), characterized in that: The middle part of the rear end outer wall of the working box (1) is fixedly connected with a mounting frame (2), the bottom surface of the mounting frame (2) is placed with a liquid nitrogen tank (21), one side of the upper surface of the rear end of the working box (1) is fixedly connected with a liquid nitrogen delivery pump (22), both sides of the inner wall of the working box (1) are fixedly connected with flow pipes (23), the upper ends of the flow pipes (23) all penetrate the working box (1) to the outside of the working box (1) and are connected with each other, and the lower parts of the outer walls of the adjacent sides of the flow pipes (23) are all connected with a plurality of spray heads (24) in a penetrating manner. The lower part of the front end outer wall of the working box (1) is provided with a taking groove (3), the top surface of the taking groove (3) is connected with the inside of the working box (1) in a penetrating manner, the lower part of the rear end inner wall of the taking groove (3) is hingedly connected with an electric telescopic rod (33), the output end of the electric telescopic rod (33) is hingedly connected with a placing plate (34), and the placing plate (34) is rotatably connected with the rear end of the two sides of the top inner wall of the taking groove (3).

2. The polymer ultralow temperature slicing apparatus of claim 1, wherein: The upper part of the front end outer wall of the working box (1) is hingedly connected with a protective door (11), one side of the front end outer wall of the protective door (11) is fixedly connected with a handle (12).

3. The polymer ultralow temperature slicing apparatus of claim 1, wherein: The upper part of one side outer wall of the working box (1) is provided with a PLC control panel (13).

4. The polymer ultralow temperature slicing apparatus of claim 1, wherein: The edge of the inner bottom surface of the working box (1) is fixedly connected with a placing frame (15), and the upper surfaces of the placing frame (15) and the placing plate (34) are both provided with a plurality of cutting grooves (16).

5. The polymer ultralow temperature slicing apparatus of claim 1, wherein: The middle part of the inner top surface of the working box (1) is embedded with a protective cover (17), the middle part of the inner top surface of the protective cover (17) is fixedly connected with a gas cylinder (18), and the output end of the gas cylinder (18) is fixedly connected with a cutting knife (19).

6. The polymer ultralow temperature slicing apparatus of claim 1, wherein: The lower surface of the working box (1) is fixedly connected with supporting legs (110) at four corners.

7. The polymer ultralow temperature slicing apparatus of claim 1, wherein: The input end of the liquid nitrogen delivery pump (22) is connected with the output end of the liquid nitrogen tank (21) in a penetrating manner, and the output end of the liquid nitrogen delivery pump (22) is connected with the flow pipe (23) in a penetrating manner.

8. The polymer ultralow temperature slicing apparatus of claim 1, wherein: The lower ends of the inner walls of the two sides of the taking groove (3) are rotatably connected with cover plates (31), the upper end of the middle part of the front end outer wall of the cover plate (31) is fixedly connected with a telescopic rod (32), the two sides of the lower part of the front end outer wall of the working box (1) are both fixedly connected with limiting blocks (14), and the telescopic rod (32) is in clamping cooperation with the limiting blocks (14).