WO2023272757A1

WO2023272757A1 - Preparation device for polypropylene-based ray shielding composite material

Info

Publication number: WO2023272757A1
Application number: PCT/CN2021/104719
Authority: WO
Inventors: 李良飞
Original assignee: 苏州君坦新材料科技有限公司
Priority date: 2021-07-02
Filing date: 2021-07-06
Publication date: 2023-01-05
Also published as: CN215283474U; LU502609B1

Abstract

A preparation device for a polypropylene-based ray shielding composite material, which device comprises a display body and a mounting structure, wherein the mounting structure comprises an adjustment housing, the adjustment housing is placed at the top of the display body, a bidirectional threaded column is rotationally connected to a side face of the adjustment housing, a surface of the bidirectional threaded column is in threaded connection with a sliding plate, the sliding plate is slidably connected to a surface of a limiting column, the limiting column is fixedly connected to a side wall of an inner cavity of the adjustment housing, a connecting column is fixedly connected to the top of the sliding plate, a mounting housing is fixedly connected to the top end of the connecting column, and the mounting housing is provided with a fixing assembly. The position of the display body can be limited by means of a mounting pressing plate, so that the mounting and dismounting of the display body are facilitated, and the display body is prevented from moving or even falling off due to the vibration of a torque rheometer body, thereby preventing the display body from being damaged, and facilitating the usage of the display body.

Description

[Title of the invention established by the ISA under Rule 37.2] Apparatus for the preparation of polypropylene-based radiation-shielding composite materials

technical field

The application relates to the field of composite materials, in particular to a preparation device for polypropylene-based radiation-shielding composite materials.

Background technique

The intensity of rays including penetrating substances will be weakened. A shielding material with a certain thickness can weaken the intensity of rays. Setting a shield (shielding material) thick enough between the radiation source and the human body can reduce the radiation level and make people work. The dose received is reduced below the maximum allowable dose to ensure personal safety and achieve the purpose of protection. The key point of shielding protection is to place a shielding material that can effectively absorb radiation between the radiation source and the human body.

In the preparation of polypropylene-based ray-shielding composite materials, the mechanical blending method is used to blend rare earth oxides and PP slices through torque rheometer, extrusion and granulation. Currently, torque rheometer is used to study the flow of materials. It is an ideal equipment for plasticizing, heat and shear stability. It can continuously, accurately and reliably measure the rheological properties of materials, such as mixing of multi-component materials, cross-linking and curing of thermosetting resins, vulcanization of elastomers, materials The dynamic stability of the screw speed and the influence of the screw speed on the processing performance of the system, etc., when people use the torque rheometer for material research, in order to see the real-time data more conveniently, the computer monitor is generally installed directly on the torque rheometer. On the host of the instrument, when people are conducting material research, they can obtain information such as data processing results more quickly through the display on the host, but it is unstable to place the display directly on the top of the torque rheometer, and it is easy to follow the Displacement due to vibration, or even falling, affects the use of the display. Therefore, a preparation device for polypropylene-based radiation-shielding composite materials is proposed to address the above problems.

technical solution

In this embodiment, a preparation device for polypropylene-based ray-shielding composite material is provided to solve the problem in the prior art that placing the display directly on the top of the torque rheometer is unstable, and it is easy to be damaged by the vibration of the torque rheometer. Displacement, or even falling, affects the use of the display.

According to one aspect of the present application, a preparation device for polypropylene-based ray-shielding composite material is provided, including a display body and an installation structure, the installation structure includes an adjustment housing, and the adjustment housing is placed on the top of the display body, so The side of the adjustment housing is rotatably connected to a two-way threaded column, and the surface of the two-way threaded column is threaded to a sliding plate, and the sliding plate is slidably connected to the surface of the limiting column, and the limiting column is fixedly connected to the side wall of the inner cavity of the adjusting housing. The top of the sliding plate is fixedly connected to the connecting column, and the top of the connecting column is fixedly connected to the installation housing, and the installation housing is provided with a fixing component.

Further, the fixing assembly includes a central column fixed to the bottom of the inner cavity of the installation housing, the surface of the central column is slidably connected to the moving plate, the bottom of the moving plate is fixed to a support spring, and the support spring is fixed to the At the bottom of the inner cavity of the center column, one side of the moving plate is fixedly connected to the mounting pressure plate, and the other side of the moving plate is connected to the mounting bolts by rotation, and the surface of the mounting bolts is threaded to the fixed plate, and the fixed plate is fixed to the mounting shell side.

Further, both sides of the adjustment housing are provided with rotation openings, the two ends of the two-way threaded column respectively pass through the rotation opening and extend to the outside of the adjustment housing, and both ends of the two-way threaded column are fixedly connected with rotation knobs.

Further, two symmetrically distributed sliding plates are screwed on the surface of the two-way threaded column, and two symmetrically distributed limiting columns are fixedly connected to the side wall of the inner chamber of the adjustment housing.

Further, two symmetrically distributed connecting columns are fixedly connected to the top of the sliding plate, and a communication port is opened on the top of the adjusting housing, and the top ends of the connecting columns pass through the communicating port and extend straight above the adjusting housing.

Further, both sides of the installation housing are provided with adjustment openings, the two ends of the moving plate pass through the adjustment openings and extend to the outside of the installation housing, and the support spring is sleeved on the surface of the central column.

Further, it includes an angle adjustment structure, the angle adjustment structure includes an adjustment plate, the adjustment plate is fixed to the bottom of the adjustment housing, the side of the adjustment plate is fixed to a limit block, and the surface of the limit block is rotated and slidably connected to strengthen The inner wall of the bottom surface of the reinforcing plate is rotatably connected with supporting rolling balls, the supporting rolling balls are slidably connected to the bottom of the adjusting plate, and the reinforcing plate is fixedly connected to the top of the torque rheometer body.

Further, the cross-section of the reinforcing plate is a U-shaped structure, the adjusting plate is rotatably connected with the reinforcing plate, and the inner wall of the bottom surface of the reinforcing plate is rotatably connected with several support rolling balls distributed in a circular array.

Beneficial effect

Through the above-mentioned embodiments of the present application, the position of the display body is limited by the structure of the installation shell and the installation pressure plate, which solves the problem that the display is placed directly on the top of the torque rheometer, which is unstable and prone to displacement with the vibration of the torque rheometer , or even fall, which will affect the use of the display, make the placement of the display body more stable, and prevent the display body from being displaced and affecting the use.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present application. Those skilled in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is the overall three-dimensional schematic diagram of an embodiment of the present application;

Figure 2 is an overall internal schematic diagram of an embodiment of the present application;

Fig. 3 is an internal schematic diagram of an installation structure and an angle adjustment structure of an embodiment of the present application;

Fig. 4 is a schematic top view of an installation structure of an embodiment of the present application;

FIG. 5 is an enlarged schematic diagram of part A in FIG. 3 according to an embodiment of the present application.

In the figure: 1. Display body, 2. Adjusting shell, 3. Two-way threaded column, 4. Sliding plate, 5. Limiting column, 6. Connecting column, 7. Installation shell, 8. Center column, 9. Moving Plate, 10, support spring, 11, installation pressure plate, 12, installation bolt, 13, fixed plate, 14, adjustment plate, 15, limit block, 16, reinforcement plate, 17, support rolling ball, 18, torque rheology instrument body.

Embodiments of the present invention

In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for the embodiments of the application described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", The orientations or positional relationships indicated by "vertical", "horizontal", "horizontal", and "longitudinal" are based on the orientations or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation.

Moreover, some of the above terms may be used to indicate other meanings besides orientation or positional relationship, for example, the term "upper" may also be used to indicate a certain attachment relationship or connection relationship in some cases. Those skilled in the art can understand the specific meanings of these terms in this application according to specific situations.

Furthermore, the terms "installed", "disposed", "provided", "connected", "connected", "socketed" are to be interpreted broadly. For example, it may be a fixed connection, a detachable connection, or an integral structure; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediary; internal connectivity. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

The preparation device in this embodiment can be applied to various composite materials. For example, the following water turbine guide vane is provided in this embodiment, and the preparation device in this embodiment can be used for the following water turbine guide vane.

The composition and parts by weight of the components are: low-density polyethylene (LDPE): 100, samarium acrylate: 20, cerium methacrylate: 40, samarium methacrylate: 40, terbium acrylate: 20, samarium oxide: 200 , cerium oxide: 200, metal tin: 20, tin oxide: 100, bismuth oxide: 100, bismuth undecylenate: 230, metal tungsten: 100, KH550: 3, low molecular weight polyethylene wax (molecular weight: 2000): 15 , Antioxidant 10102, dicumyl peroxide (in situ reaction initiator): 0.3. Preparation of shielding material: Heat the hot roll to 130°C, add 100 parts of LDPE and melt it to cover the roll, add 20 parts of samarium acrylate, 20 parts of terbium acrylate, 40 parts of samarium methacrylate, 40 parts of cerium methacrylate, After mixing 230 parts of bismuth undecylenate and 0.3 parts of in-situ reaction initiator dicumyl peroxide for 5 minutes, add 2 parts of antioxidant 1010 and mix for 1 minute, then add 200 parts of samarium oxide and 200 parts of cerium oxide in sequence , then add 20 parts of metal tin, 100 parts of tin oxide, 100 parts of bismuth oxide, 100 parts of metal tungsten, add 3 parts of coupling agent KH550 at the same time, mix for 20 minutes, then add 15 parts of low molecular wax, mix for 2 minutes, and get Shielding composites. The KH550 is aminopropyltriethoxysilane; the antioxidant 1010 is tetrakis[methyl-β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester.

Of course, this embodiment can also be used for composite materials of other structures. The details will not be repeated here, and the preparation device of the embodiment of the present application will be introduced below.

Please refer to Figures 1-5, a preparation device for polypropylene-based radiation-shielding composite materials, including a display body 1 and an installation structure, the installation structure includes an adjustment housing 2, and the adjustment housing 2 is placed on the display body 1 top, the side of the adjustment housing 2 is rotatably connected to the two-way threaded post 3, the surface of the two-way threaded post 3 is threaded to the slide plate 4, and the slide plate 4 is slidably connected to the surface of the limit post 5, and the stop post 5 It is fixed to the side wall of the inner cavity of the adjustment housing 2, the top of the sliding plate 4 is fixed to the connecting column 6, and the top of the connecting column 6 is fixed to the installation housing 7, and the installation housing 7 is provided with a fixing component.

Structures such as the two-way threaded column 3 can drive the installation housing 7 and the installation pressure plate 11 to move, and the height of the installation pressure plate 11 can be adjusted through the installation bolts 12, so that the base of the display body 1 can be fixed by the installation pressure plate 11, so that the display The position of the main body 1 is limited to facilitate the installation and disassembly of the display main body 1, prevent the display main body 1 from being displaced or even fall due to the vibration of the torque rheometer main body 18, prevent the display main body 1 from being damaged, and facilitate the use of the display main body 1 .

The fixing assembly includes a central column 8 fixedly connected to the bottom of the inner cavity of the installation housing 7, the surface of the central column 8 is slidably connected to the moving plate 9, and the bottom of the moving plate 9 is fixedly connected to the support spring 10, so The support spring 10 is fixedly connected to the bottom of the inner cavity of the central column 8, one side of the moving plate 9 is fixedly connected to the installation pressure plate 11, and the other side of the moving plate 9 is rotatably connected to the installation bolt 12, and the surface of the installation bolt 12 is threaded and fixed. plate 13, the fixed plate 13 is fixedly connected to one side of the installation housing 7, and the position of the display body 1 can be conveniently limited through the fixing assembly; The two ends of the column 3 respectively pass through the rotating port and extend to the outside of the adjustment housing 2. Both ends of the two-way threaded column 3 are fixedly connected with a rotating knob, and the two-way threaded column 3 can be easily rotated by turning the knob; the surface of the two-way threaded column 3 Two symmetrically distributed sliding plates 4 are threadedly connected, and two symmetrically distributed limiting columns 5 are fixedly connected to the side wall of the inner cavity of the adjustment housing 2, through which the moving tracks of the sliding plate 4 and other structures can be adjusted. It is defined to prevent the movement track of the sliding plate 4 and other structures from shifting, so that the sliding plate 4 and other structures are more stable when moving; the top of the sliding plate 4 is fixedly connected with two symmetrically distributed connecting columns 6, and the adjusting shell The top of the body 2 is provided with a communication port, and the top of the connecting column 6 runs through the communication port and extends straight above the adjustment housing 2. The connecting column 6 can facilitate the connection of the sliding plate 4 and the installation housing 7; the two sides of the installation housing 7 Both ends are provided with adjustment ports, and the two ends of the moving plate 9 pass through the adjustment ports and extend to the outside of the installation housing 7. The support spring 10 is sleeved on the surface of the center column 8, and the support spring 10 can facilitate the movement of the moving plate 9, etc. The structure returns to the initial position; including an angle adjustment structure, the angle adjustment structure includes an adjustment plate 14, the adjustment plate 14 is fixed on the bottom of the adjustment housing 2, and the side of the adjustment plate 14 is fixed to the limit block 15, the limit block 15 The surface of the bit block 15 is rotated and slidably connected to the reinforcing plate 16, and the inner wall of the bottom surface of the reinforcing plate 16 is rotatably connected to the supporting rolling ball 17, and the supporting rolling ball 17 is slidably connected to the bottom of the adjusting plate 14, and the reinforcing plate 16 is fixed to the torque flow The top of the instrument body 18 can adjust the angle of the display body 1 through the angle adjustment structure, which is convenient for people in different positions to observe and use the display body 1; The plate 16 is rotatably connected, and the inner wall of the bottom surface of the reinforcing plate 16 is rotatably connected with several support rolling balls 17 distributed in a circular array, and the adjusting plate 14 can be supported by the supporting rolling balls 17, so that the rotation of the adjusting plate 14 is more stable.

When the application is in use, first place the display body 1 on the top of the adjustment housing 2, and then turn the rotary knob, thereby driving the two-way threaded column 3 to rotate, and then driving the sliding plate 4 to move along the limit column 5, and at this time can drive the connection The column 6 moves in the same direction, and then drives the installation shell 7 to move in the same direction, so that the structures such as the installation shell 7 and the installation pressure plate 11 on both sides move towards each other, so that the installation pressure plate 11 is above the base of the display body 1, and then the installation bolt 12 is rotated , at this time, under the action of the fixing plate 13, the mounting bolt 12 moves, thereby driving the moving plate 9 to move down along the center column 8, and then driving the mounting platen 11 to move down, thereby using the mounting platen 11 to limit the position of the display body 1, preventing the display from The main body 1 is displaced or even dropped due to the vibration of the torque rheometer main body 18, so as to prevent damage to the display main body 1 and prevent the use of the display main body 1 from being affected. Move up, at this time, under the action of the support spring 10, the installation pressure plate 11 moves up, and then the two-way threaded column 3 is rotated to make the installation shells 7 on both sides move back, so that the display body 1 can be easily removed, and the display body 1 can be easily installed. Installation and disassembly, when the display body 1 is in use, the adjustment plate 14 can be rotated under the action of the reinforcing plate 16, thereby adjusting the angles of the structures such as the display body 1, so that people in different positions can observe and use the display body 1. When the plate 14 rotates, it can drive the limit block 15 to rotate, thereby using the limit block 15 to limit the rotation track of the adjustment plate 14, and the adjustment plate 14 can be supported by the supporting ball 17, so as to facilitate the rotation of the adjustment plate 14 and facilitate adjustment. The angle of the display body 1.

The benefits of this application are:

1. This application is easy to operate. The structure such as the two-way threaded column can drive the installation shell and the installation pressure plate to move, and the height of the installation pressure plate can be adjusted through the installation bolts, so that the base of the display body can be fixed by the installation pressure plate, so that the display The position of the main body is limited to facilitate the installation and disassembly of the display body, prevent the display body from being displaced or even fall due to the vibration of the torque rheometer body, prevent the display body from being damaged, and facilitate the use of the display body;

2. The structure of the application is compact, and the angle of the display body can be adjusted through the structure of the adjustment plate and the reinforcement plate, which is convenient for people in different positions to observe and use the display body. for stability.

The circuits, electronic components and modules involved are all existing technologies, and those skilled in the art can fully realize them. Needless to say, the protection content of this application does not involve the improvement of software and methods.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, there may be various modifications and changes in the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims

A preparation device for polypropylene-based ray-shielding composite material, characterized in that it includes a display body (1) and an installation structure, the installation structure includes an adjustment housing (2), and the adjustment housing (2) is placed on the display The top of the body (1), the side of the adjustment housing (2) is rotatably connected to the two-way threaded column (3), the surface of the two-way threaded column (3) is threaded to the sliding plate (4), and the sliding plate (4) is slidably connected On the surface of the limiting column (5), the limiting column (5) is fixed on the side wall of the inner cavity of the adjustment housing (2), and the top of the sliding plate (4) is fixed on the connecting column (6). The top end of the column (6) is fixedly connected to the installation housing (7), and the installation housing (7) is provided with a fixing assembly.
A preparation device for polypropylene-based radiation-shielding composite materials according to claim 1, characterized in that: the fixing assembly includes a central column (8), and the central column (8) is fixedly connected to the installation shell (7 ) at the bottom of the inner cavity, the surface of the center column (8) is slidingly connected to the moving plate (9), the bottom of the moving plate (9) is fixed to the support spring (10), and the support spring (10) is fixed to the center column ( 8) At the bottom of the inner cavity, one side of the moving plate (9) is fixedly connected to the installation pressure plate (11), and the other side of the moving plate (9) is rotated to connect with the mounting bolts (12), and the surface of the mounting bolts (12) is threaded The fixed plate (13) is connected, and the fixed plate (13) is fixedly connected to one side of the installation shell (7).
The preparation device of a polypropylene-based ray-shielding composite material according to claim 1, characterized in that: both sides of the adjustment housing (2) are provided with rotating ports, and the two ends of the two-way threaded column (3) are Respectively through the rotating port and extending to the outside of the adjustment housing (2), both ends of the two-way threaded column (3) are fixedly connected with rotating knobs.
The preparation device of a polypropylene-based ray-shielding composite material according to claim 1, characterized in that: two symmetrically distributed sliding plates (4) are threaded on the surface of the two-way threaded column (3), and the adjustment Two symmetrically distributed limiting columns (5) are fixedly connected to the side wall of the inner cavity of the casing (2).
The preparation device of a polypropylene-based ray-shielding composite material according to claim 1, characterized in that: two symmetrically distributed connecting columns (6) are fixed on the top of the sliding plate (4), and the adjusting shell The top of the body (2) is provided with a communication port, and the top of the connecting column (6) passes through the communication port and extends straight above the adjustment housing (2).
The preparation device of a polypropylene-based ray-shielding composite material according to claim 2, characterized in that: both sides of the installation shell (7) are provided with adjustment ports, and the two ends of the moving plate (9) are respectively The support spring (10) is sheathed on the surface of the central column (8) through the adjustment port and extends to the outside of the installation housing (7).
The preparation device of a polypropylene-based ray-shielding composite material according to claim 1, characterized in that it includes an angle adjustment structure, the angle adjustment structure includes an adjustment plate (14), and the adjustment plate (14) is fixed At the bottom of the adjustment housing (2), the side of the adjustment plate (14) is fixed to the limit block (15), and the surface of the limit block (15) is connected to the reinforcement plate (16) by rotation and sliding, and the reinforcement plate (16) ) the inner wall of the bottom surface is rotatably connected to the supporting ball (17), the supporting rolling ball (17) is slidably connected to the bottom of the adjusting plate (14), and the reinforcing plate (16) is fixed to the top of the torque rheometer body (18) .
The preparation device of a polypropylene-based ray-shielding composite material according to claim 7, characterized in that: the cross-section of the reinforcement plate (16) is a U-shaped structure, and the adjustment plate (14) and the reinforcement plate (16) ) is rotatably connected, and the inner wall of the bottom surface of the reinforcing plate (16) is rotatably connected with several support rolling balls (17) distributed in a circular array.