Device for testing high temperature resistance of chemical fiber paper tube

Abstract

The utility model discloses a chemical fiber paper tube high-temperature resistance testing device which comprises a detection table, a lower rotary clamping mechanism is arranged on the detection table, one side of the detection table is fixedly connected with a stand column, the stand column is fixedly connected with an installation beam, an upper rotary clamping mechanism is installed on the installation beam and located over the lower rotary clamping mechanism, and the lower rotary clamping mechanism is fixedly connected with the installation beam. The upper rotary clamping mechanism comprises an upper rotary disc and an upper conical plug, the lower rotary clamping mechanism comprises a lower rotary disc and a lower conical plug, a plurality of air holes are formed in the lower conical plug, an air cavity is formed in the lower rotary disc, and the air holes are communicated with the air cavity. The device for testing the high-temperature resistance of the chemical fiber paper tube can effectively simulate the high-temperature working environment of the chemical fiber paper tube and test the chemical fiber paper tube in the high-temperature working environment. The test process is simple in operation, safe and stable.

Description

Technical Field

[0001] The utility model belongs to the technical field of performance testing of chemical fiber paper tubes, and particularly relates to a device for testing the high-temperature resistance performance of chemical fiber paper tubes. Background Art

[0002] The chemical fiber paper tube is formed by winding paper with glue. When the chemical fiber paper tube is in use, it needs to be driven by a rotating shaft to rotate at a high speed. After long-term rotation, the temperature of the paper tube is likely to rise due to friction. The high temperature is likely to affect the glue inside the paper tube, resulting in a decrease in the adhesion between the papers. Finally, the paper tube is deformed or even cracked and burst, affecting the normal progress of production and may also cause safety accidents. Therefore, it is necessary to test the high-temperature resistance performance of the paper tube. Summary of the Utility Model

[0003] To solve the above technical problems, the technical solution adopted by the utility model is: a device for testing the high-temperature resistance performance of chemical fiber paper tubes, including a detection table, a lower rotary clamping mechanism is arranged on the detection table, a column is fixedly connected to one side of the detection table, an installation beam is fixedly connected to the column, an upper rotary clamping mechanism is installed on the installation beam, the upper rotary clamping mechanism is located directly above the lower rotary clamping mechanism, the upper rotary clamping mechanism includes an upper turntable and an upper tapered plug, the large-diameter end of the upper tapered plug is fixedly connected to the upper turntable, the upper turntable is connected to a lifting rod through a bearing, the lifting rod is driven by a cylinder to move up and down, the lower rotary clamping mechanism includes a lower turntable and a lower tapered plug, the large-diameter end of the lower tapered plug is fixedly connected to the lower turntable, the lower tapered plug is located directly below the upper tapered plug and is arranged opposite to the upper tapered plug, the lower turntable is rotatably installed on the detection table, the lower turntable is driven by a motor to rotate, several air holes are arranged on the lower tapered plug, an air cavity is arranged inside the lower turntable, the air holes are respectively communicated with the air cavity, the air cavity is connected to a supply pipe through an air slip ring, the supply pipe is connected to an air flow through a fan, and the air flow is heated by a heater.

[0004] As a preference of the above technical solution, a protective cover is installed on the detection table, and both the upper rotary clamping mechanism and the lower rotary clamping mechanism are located inside the protective cover.

[0005] As a preference of the above technical solution, the protective cover includes a fixed cover and a movable cover, the cross-section of the fixed cover and the cross-section of the movable cover are respectively semi-circular, a circular chute is arranged on the detection table, the lower end of the movable cover is inserted into the circular chute, a handle is fixedly connected to one side of the movable cover, an end cover plate is fixedly connected to the upper end of the movable cover, and a central hole for the lifting rod to pass through is arranged on the end cover plate.

[0006] As a preference of the above technical solution, the movable cover is made of transparent acrylic board.

[0007] As a preference of the above technical solution, the upper tapered plug is made of rubber.

[0008] Preferably, as the above technical solution, a pressure relief hole is provided on the upper conical plug.

[0009] The beneficial effects of the present utility model are as follows: The high-temperature performance testing device for chemical fiber paper tubes of the present utility model can effectively simulate the high-temperature working environment of chemical fiber paper tubes and test the chemical fiber paper tubes under the high-temperature working environment. The testing process is simple to operate and safe and stable during the testing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic structural diagram of the present utility model;

[0011] Figure 2 is a schematic structural diagram of the present utility model from another angle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0012] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0013] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0014] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0015] Such as Figure 1-2As shown in the figure, a high-temperature resistance testing device for chemical fiber paper tubes includes a detection table 1. A lower rotary clamping mechanism is provided on the detection table 1. A column 2 is fixedly connected to one side of the detection table 1. An installation beam 3 is fixedly connected to the column 2. An upper rotary clamping mechanism is installed on the installation beam 3. The upper rotary clamping mechanism is located directly above the lower rotary clamping mechanism. The upper rotary clamping mechanism includes an upper turntable 4 and an upper tapered plug 6. The large-diameter end of the upper tapered plug 6 is fixedly connected to the upper turntable 4. The upper turntable 4 is connected to a lifting rod 5 through a bearing. The lifting rod 5 is driven to move up and down by a cylinder 18. The lower rotary clamping mechanism includes a lower turntable 7 and a lower tapered plug 8. The large-diameter end of the lower tapered plug 8 is fixedly connected to the lower turntable 7. The lower tapered plug 8 is located directly below the upper tapered plug 6 and is arranged opposite to the upper tapered plug 6. The lower turntable 7 is rotatably installed on the detection table 1. The lower turntable 7 is driven to rotate by a motor. A number of air holes 9 are provided on the lower tapered plug 8. An air cavity 10 is provided inside the lower turntable 7. The air holes 9 are respectively communicated with the air cavity 10. The air cavity 10 is connected to an air supply pipe through an air slip ring 11. The air supply pipe is connected to an air flow through a fan. The air flow is heated by a heater. The maximum diameter of the lower tapered plug 8 is smaller than the inner diameter of the lower end of the chemical fiber paper tube, and the maximum diameter of the upper tapered plug 6 is larger than the inner diameter of the upper end of the chemical fiber paper tube. The chemical fiber paper tube is clamped between the upper tapered plug 6 and the lower turntable 7. Hot air at a specified temperature is filled into the chemical fiber paper tube through the air holes 9, and at the same time, the lower turntable 7 rotates. So that the chemical fiber paper tube rotates at a high speed at a certain temperature to simulate the working environment under high temperature. After a specified time, stop rotating and heating, and observe whether the chemical fiber paper tube has problems such as deformation and paper opening and cracking.

[0016] Furthermore, a protective cover is installed on the detection table 1, and both the upper rotary clamping mechanism and the lower rotary clamping mechanism are located inside the protective cover.

[0017] Furthermore, the protective cover includes a fixed cover 12 and a movable cover 13. The cross-section of the fixed cover 12 and the cross-section of the movable cover 13 are respectively semi-circular. An annular sliding groove 15 is provided on the detection table 1. The lower end of the movable cover 13 is inserted into the annular sliding groove 15. A handle 16 is fixedly connected to one side of the movable cover 13. An end cover plate 14 is fixedly connected to the upper end of the movable cover 13. A central hole for the lifting rod 5 to pass through is provided on the end cover plate 14. The protective cover prevents the chemical fiber paper tube rotating at a high speed from bursting and prevents injury to the test personnel.

[0018] Furthermore, the movable cover 13 is made of transparent acrylic board. The real-time situation of the chemical fiber paper tube rotating at a high speed in a high-temperature environment can be observed through the movable cover 13 made of transparent acrylic board.

[0019] Furthermore, the upper tapered plug 6 is made of rubber.

[0020] Furthermore, a pressure relief hole 17 is provided on the upper tapered plug 6. The pressure relief hole 17 prevents the internal pressure of the chemical fiber paper tube from being too high.

[0021] It is worth mentioning that the technical features such as motors, cylinders, heaters, and fans involved in the patent application of the present utility model should be regarded as prior art. For the specific structures, working principles, and possible control methods and spatial arrangement methods of these technical features, conventional selections in the art can be adopted, and they should not be regarded as the inventive points of the patent of the present utility model, and the present utility model patent will not be further specifically elaborated.

[0022] The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present utility model without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field based on the concept of the present utility model through logical analysis, reasoning, or limited experiments on the basis of the prior art should fall within the protection scope determined by the claims.

Claims

1. A high-temperature resistance test device for chemical fiber paper tubes, characterized in that, It includes a detection table, on which a lower rotary clamping mechanism is provided. One side of the detection table is fixedly connected with a column, and an installation beam is fixedly connected to the column. An upper rotary clamping mechanism is installed on the installation beam, and the upper rotary clamping mechanism is located directly above the lower rotary clamping mechanism. The upper rotary clamping mechanism includes an upper turntable and an upper tapered plug. The large-diameter end of the upper tapered plug is fixedly connected to the upper turntable. The upper turntable is connected with a lifting rod through a bearing, and the lifting rod is driven by a cylinder to move up and down. The lower rotary clamping mechanism includes a lower turntable and a lower tapered plug. The large-diameter end of the lower tapered plug is fixedly connected to the lower turntable. The lower tapered plug is located directly below the upper tapered plug and is arranged opposite to the upper tapered plug. The lower turntable is rotatably installed on the detection table and is driven by a motor to rotate. A number of air holes are provided on the lower tapered plug, and an air cavity is provided inside the lower turntable. The air holes are respectively communicated with the air cavity, and the air cavity is connected to a supply pipe through an air slip ring. The supply pipe is connected to an air flow through a blower, and the air flow is heated by a heater.

2. The high-temperature resistance testing device for chemical fiber paper tubes according to claim 1, wherein A protective cover is installed on the detection table, and both the upper rotary clamping mechanism and the lower rotary clamping mechanism are located inside the protective cover.

3. The high-temperature resistance testing device for chemical fiber paper tubes according to claim 2, characterized in that, The protective cover includes a fixed cover and a movable cover. The cross-sections of the fixed cover and the movable cover are respectively semi-circular. An annular chute is provided on the detection table, and the lower end of the movable cover is inserted into the annular chute. One side of the movable cover is fixedly connected with a handle, and the upper end of the movable cover is fixedly connected with an end cover plate. A central hole for the lifting rod to pass through is provided on the end cover plate.

4. The high-temperature resistance testing device for chemical fiber paper tubes according to claim 3, characterized in that, The movable cover is made of transparent acrylic board.

5. The high-temperature resistance testing device for chemical fiber paper tubes according to claim 1, wherein The upper tapered plug is made of rubber.

6. The high-temperature resistance testing device for chemical fiber paper tubes according to claim 5, characterized in that A pressure relief hole is provided on the upper tapered plug.

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