Hopper device for producing heat-conducting powder

By designing a closed hopper device and equipping it with a vacuum dust collection system, the dust problem in the production of thermal conductive powder was solved, thereby improving environmental performance and ensuring the health of operators.

CN223606682UActive Publication Date: 2025-11-28SHENZHEN AOCHUAN TECH CO LTD
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Patent Information

Application Number
CN202520064182.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-11-28
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

In the current production process of thermal conductive powder, significant dust pollution is likely to occur during the feeding and collecting of materials, which pollutes the production environment and adversely affects the health of operators.

Method used

Design a closed hopper device, including a support frame, container, pneumatic butterfly valve and pneumatic manual control valve, equipped with vacuum dust collection equipment and pneumatic arch breaker, to control dust diffusion through the closed structure and vacuum dust collection system, and achieve precise feeding and discharging.

Benefits of technology

Effectively control dust diffusion, optimize the production environment, improve environmental performance, and ensure the health of operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a hopper device for heat-conducting powder production. Comprising a support frame, a container, a pneumatic butterfly valve and a pneumatic manual control valve, the container is arranged on the support frame; the top of the container is provided with a feed port and a dust collection interface, and the bottom of the container is provided with a discharge port matched with a feed interface of the high-speed mixer; a first cover body is arranged at the feed port, a cover upper interface matched with a discharge pipeline of the high-speed mixer is arranged on the surface of the first cover body, and a second cover body is arranged at the cover upper interface; the dust collection interface is connected with vacuum dust collection equipment through a dust collection pipeline; the pneumatic butterfly valve is arranged at the discharge hole; and the pneumatic manual control valve is arranged on the support frame and is pneumatically connected with the pneumatic butterfly valve. Flying dust in the container can be efficiently absorbed, so that dust diffusion is effectively controlled in the feeding and receiving processes, the production environment is optimized, and the environmental protection performance is improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the production technology of heat-conducting powder, in particular to a hopper device for heat-conducting powder production. BACKGROUND

[0002] The safety, stability and service life of electronic products are largely related to their heat dissipation performance. The heat dissipation of electronic components mainly depends on thermal interface materials. Thermal interface materials are materials used to fill the gap between two contact surfaces to reduce thermal resistance and improve heat conduction efficiency, mainly composed of heat-conducting powder and organic matrix. The mass fraction of heat-conducting powder in thermal interface materials can reach 50-96.5%, which plays a decisive role in improving the thermal conductivity of the material.

[0003] The production process of heat-conducting powder is mainly divided into wet process and dry process. The dry process has become the mainstream process for the production of heat-conducting powder due to its simple equipment structure, high production efficiency and low cost. The core equipment of the dry process is a high-speed mixer, and the production process includes material feeding, stirring and material collecting. At present, the feeding and collecting of materials are both dependent on manual operation, that is, the operator feeds the heat-conducting powder in the upstream equipment into the high-speed mixer through the hopper, or feeds the heat-conducting powder in the high-speed mixer into the downstream equipment through the hopper. However, during the feeding and collecting process, a large amount of dust is easily generated in the production site, which not only pollutes the production environment, but also may have adverse effects on the health of the operator. CONTENT OF THE UTILITY MODEL

[0004] In view of the above-mentioned problems, the present application is proposed to provide a hopper device for heat-conducting powder production to overcome the problems or at least partially solve the problems, which comprises:

[0005] A hopper device for heat-conducting powder production, comprising: a support frame, a container, a pneumatic butterfly valve and a pneumatic manual control valve.

[0006] The container is arranged on the support frame; the top of the container is provided with a feeding port and a dust collecting interface, and the bottom is provided with a discharging port adapted to the feeding interface of a high-speed mixer; a first cover body is arranged at the feeding port, the surface of the first cover body is provided with an upper cover interface adapted to the discharging pipeline of the high-speed mixer, and a second cover body is arranged at the upper cover interface; the dust collecting interface is connected with a vacuum dust collecting equipment through a dust collecting pipeline; the pneumatic butterfly valve is arranged at the discharging port; and the pneumatic manual control valve is arranged on the support frame and pneumatically connected with the pneumatic butterfly valve.

[0007] Preferably, it further comprises a pneumatic arch breaker; the pneumatic arch breaker is arranged on the surface of the container; and the pneumatic manual control valve is pneumatically connected with the pneumatic arch breaker.

[0008] Preferably, further comprising: a fixed pulley; the fixed pulley is arranged at the bottom of the support frame.

[0009] Preferably, further comprising: a handrail; the handrail is arranged at the side of the container.

[0010] Preferably, further comprising: a brake plate; the brake plate is arranged on the mounting seat of the fixed pulley.

[0011] Preferably, the first cover is made of transparent plate material

[0012] Preferably, the upper part of the container is cylindrical, and the lower part is conical.

[0013] Preferably, the edge of the upper cover interface is provided with a first annular protrusion extending outward.

[0014] Preferably, the edge of the dust collection interface is provided with a second annular protrusion extending outward.

[0015] Preferably, the discharge port is conical.

[0016] The application has the following advantages:

[0017] In view of the problem that a large amount of dust is easily generated in the production site of the existing heat-conducting powder, the application provides a solution of adopting a closed hopper device connected with a vacuum dust collection equipment, specifically comprising: a support frame, a container, a pneumatic butterfly valve and a pneumatic manual control valve; the container is arranged on the support frame; the top of the container is provided with a feeding port and a dust collection interface, and the bottom is provided with a discharge port matched with the feeding interface of a high-speed mixer; the feeding port is provided with a first cover, the surface of the first cover is provided with an upper cover interface matched with the discharge pipeline of the high-speed mixer, and the upper cover interface is provided with a second cover; the dust collection interface is connected with the vacuum dust collection equipment through a dust collection pipeline; the pneumatic butterfly valve is arranged at the discharge port; and the pneumatic manual control valve is arranged on the support frame and pneumatically connected with the pneumatic butterfly valve.

[0018] By arranging the closed container, the discharge port matched with the feeding interface of the high-speed mixer and the upper cover interface matched with the discharge pipeline of the high-speed mixer on the surface of the container, precise docking with the high-speed mixer can be realized to realize feeding and discharging, by arranging the dust collection interface on the surface of the container and connecting the dust collection pipeline with the vacuum dust collection equipment, the dust inside the container can be efficiently absorbed, so that the dust diffusion in the feeding and discharging process can be effectively controlled, the production environment can be optimized, and the environmental protection performance can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the present application, the drawings needed to be used in the description of the present application will be briefly introduced as follows. Obviously, the drawings in the following description are only part of the embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0020] Figure 1 is a perspective view of a hopper device provided by an embodiment of the present application;

[0021] Figure 2 is a front view of a hopper device provided by an embodiment of the present application;

[0022] Figure 3 is a left view of a hopper device provided by an embodiment of the present application;

[0023] Figure 4 is a top view of a hopper device provided by an embodiment of the present application.

[0024] The reference signs in the drawings of the specification are as follows:

[0025] 10, support frame; 20, container; 21, feeding port; 22, dust collection interface; 23, discharging port; 24, first cover; 25, cover interface; 26, second cover; 30, pneumatic butterfly valve; 40, pneumatic manual control valve; 50, pneumatic arch breaker; 60, fixed pulley; 70, handrail. DETAILED DESCRIPTION

[0026] In order to make the purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail in the following with reference to the drawings and specific embodiments. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without any creative effort fall within the scope of protection of the present application.

[0027] The inventor found through analyzing the prior art that the existing hopper device adopts an open structure design and is not connected to a high-efficiency dust collection device, and cannot control the dust diffusion of the material during feeding and discharging, so that a large amount of dust is likely to occur during feeding and discharging.

[0028] Reference Figures 1-4 In an embodiment of the present application, a hopper device for heat-conducting powder production is provided, which comprises a support frame 10, a container 20, a pneumatic butterfly valve 30 and a pneumatic manual control valve 40.

[0029] The container 20 is arranged on the support frame 10; the top of the container 20 is provided with a feeding port 21 and a dust collection interface 22, and the bottom is provided with a discharging port 23 which is adapted to the feeding interface of the high-speed mixer; the first cover 24 is arranged at the feeding port 21, the surface of the first cover 24 is provided with an upper cover interface 25 which is adapted to the discharging pipeline of the high-speed mixer, and the second cover 26 is arranged at the upper cover interface 25; the dust collection interface 22 is connected with the vacuum dust collection equipment through a dust collection pipeline; the pneumatic butterfly valve 30 is arranged at the discharging port 23; the pneumatic manual control valve 40 is arranged on the support frame 10 and is pneumatically connected with the pneumatic butterfly valve 30; the pneumatic manual control valve 40 is used to control the opening and closing of the pneumatic butterfly valve 30.

[0030] By arranging the closed container 20, the discharging port 23 which is adapted to the feeding interface of the high-speed mixer and the upper cover interface 25 which is adapted to the discharging pipeline of the high-speed mixer are arranged on the surface of the container 20, precise docking with the high-speed mixer can be realized to realize feeding and discharging, the dust collection interface 22 is arranged on the surface of the container 20 and connected with the vacuum dust collection equipment through the dust collection pipeline, the dust in the container 20 can be efficiently absorbed, thereby effectively controlling dust diffusion during feeding and discharging, optimizing the production environment and improving the environmental protection performance.

[0031] In the following, the hopper device in the example embodiment will be further described.

[0032] In an embodiment of the present application, the hopper device further comprises a pneumatic arch breaker 50; the pneumatic arch breaker 50 is arranged on the surface of the container 20; the pneumatic manual control valve 40 is pneumatically connected with the pneumatic arch breaker 50; the pneumatic manual control valve 40 is used to control the start and stop of the pneumatic arch breaker 50. By arranging the pneumatic arch breaker 50, the arching phenomenon of the material in the container 20 can be prevented, thereby improving the discharging efficiency.

[0033] In an embodiment of the present application, the hopper device further comprises a fixed pulley 60; the fixed pulley 60 is arranged at the bottom of the support frame 10. As an example, the fixed pulley 60 is arranged at the four corners of the outer end of the bottom of the support frame 10. By arranging the fixed pulley 60, the hopper device is allowed to smoothly slide in various directions, greatly improving the efficiency of material transfer.

[0034] In an embodiment of the present application, the hopper device further comprises a handrail 70; the handrail 70 is arranged on the side of the container 20. By arranging the handrail 70, the movement direction of the hopper device can be easily controlled by the operator, thereby easily moving the hopper device.

[0035] In an embodiment of the present application, the hopper device further comprises a brake plate, the brake plate is arranged on the mounting seat of the fixed pulley 60, and the brake plate is used for locking or releasing the fixed pulley 60. By arranging the brake plate, the hopper device can be prevented from sliding or moving accidentally during use, and safety and stability are ensured.

[0036] In an embodiment of the present application, the first cover 24 is made of transparent plate material. As an example, the first cover 24 is made of transparent bakelite. By adopting the transparent first cover 24, the material state inside the container 20 can be observed by the operator.

[0037] In an embodiment of the present application, the upper part of the container 20 is cylindrical, and the lower part is conical. The upper part in a cylindrical structure provides a larger volume, facilitates the one-time loading of more materials, improves the loading efficiency, and the lower part in a conical structure helps the material to concentrate naturally downward, reduces the material accumulation or stagnation phenomenon.

[0038] In an embodiment of the present application, the edge of the upper interface 25 of the cover is provided with a first annular protrusion extending outward, which facilitates the connection of the discharge pipeline of the high-speed mixer and plays a fixing role.

[0039] In an embodiment of the present application, the edge of the dust collection interface 22 is provided with a second annular protrusion extending outward, which facilitates the connection of the dust collection pipeline and plays a fixing role.

[0040] In an embodiment of the present application, the discharge port 23 is conical, which facilitates the concentration of the material into the feeding interface of the high-speed mixer.

[0041] The use method of the hopper device is as follows:

[0042] Feeding the hopper device: closing the second cover 26, closing the pneumatic butterfly valve 30 through the pneumatic manual control valve 40, opening the first cover 24, opening the vacuum dust collection equipment through the controller, and feeding different specifications of heat-conducting powder into the hopper device through the feeding port 21;

[0043] Feeding the hopper device to the high-speed mixer: closing the first cover 24 and the second cover 26, aligning the discharge port 23 with the feeding interface of the high-speed mixer, opening the vacuum dust collection equipment through the controller, opening the pneumatic butterfly valve 30 and the pneumatic arch breaker 50 through the pneumatic manual control valve 40, and making the heat-conducting powder in the hopper device enter the high-speed mixer through the discharge port 23 and the feeding interface of the high-speed mixer;

[0044] The hopper device receives the heat-conducting powder: the first cover 24 is closed, the pneumatic butterfly valve 30 is closed through the pneumatic manual control valve 40, the vacuum dust collection equipment is turned on through the controller, the second cover 26 is opened, and the cover interface 25 is connected with the discharge pipeline of the high-speed mixer, so that the heat-conducting powder in the high-speed mixer enters the hopper device through the discharge pipeline and the cover interface 25.

[0045] The hopper device receives the heat-conducting powder: the first cover 24 and the second cover 26 are closed, the vacuum dust collection equipment is turned on through the controller, the pneumatic butterfly valve 30 and the pneumatic arch breaker 50 are opened through the pneumatic manual control valve 40, so that the heat-conducting powder in the hopper device enters the downstream equipment through the discharge port 23.

[0046] The above embodiments are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other.

[0047] Although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to the embodiments once they know the basic creative concept. Therefore, the interpretation of the appended claims includes the preferred embodiments and all changes and modifications falling within the scope of the embodiments of the present application.

[0048] Finally, it should be noted that in this specification, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between the entities or operations. Moreover, the terms "comprise", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or terminal device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or terminal device. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of another identical element in the process, method, article or terminal device including the element.

[0049] The above describes in detail a hopper device for heat-conducting powder production provided by the present application. The principles and implementation manners of the present application are described in the specification by using specific embodiments. The above embodiment descriptions are only used to help understand the method and core idea of the present application; meanwhile, for those skilled in the art, the specific implementation manners and application ranges will be changed according to the idea of the present application. In conclusion, the content of the specification should not be understood as a limitation of the present application.

Claims

1. A hopper device for the production of heat-conducting powder, characterized in that, Comprise: a support frame, a container, a pneumatic butterfly valve and a pneumatic manual control valve; the container is arranged on the support frame; the top of the container is provided with a feeding port and a dust collection interface, and the bottom of the container is provided with a discharging port which is adapted to the feeding interface of a high-speed mixer; the first cover body is arranged at the feeding port, and the surface of the first cover body is provided with an upper cover interface which is adapted to the discharging pipeline of the high-speed mixer; the second cover body is arranged at the upper cover interface; the dust collection interface is connected with a vacuum dust collection device through a dust collection pipeline; the pneumatic butterfly valve is arranged at the discharging port; the pneumatic manual control valve is arranged on the support frame and pneumatically connected with the pneumatic butterfly valve.

2. The hopper apparatus of claim 1, wherein, Further comprise: a pneumatic arch breaker; the pneumatic arch breaker is arranged on the surface of the container; the pneumatic manual control valve is pneumatically connected with the pneumatic arch breaker.

3. The hopper apparatus of claim 1, wherein, Further comprise: a fixed pulley; the fixed pulley is arranged at the bottom of the support frame.

4. The hopper apparatus of claim 3, wherein, Further comprise: a handrail; the handrail is arranged on the side of the container.

5. The hopper apparatus of claim 3, wherein, Further comprise: a brake plate; the brake plate is arranged on the mounting seat of the fixed pulley.

6. The hopper apparatus of claim 1, wherein, The first cover body is made of transparent plate material.

7. The hopper apparatus of claim 1, wherein, The upper part of the container is cylindrical, and the lower part of the container is conical.

8. The hopper apparatus of claim 1, wherein, The edge of the upper cover interface is provided with a first annular protrusion extending outward.

9. The hopper apparatus of claim 1, wherein, The edge of the dust collection interface is provided with a second annular protrusion extending outward.

10. The hopper apparatus of claim 1, wherein, The discharging port is conical.