Raw material mixing kettle for silicone rubber production
By designing a silicone rubber mixing vessel with stirring and scraping devices, the problem of material adhering to the vessel wall was solved, achieving efficient material mixing and vessel cleaning, and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU DESI SILICON NEW MATERIALS TECHNOLOGY CO LTD
- Filing Date
- 2025-03-31
- Publication Date
- 2026-04-10
AI Technical Summary
In existing silicone rubber reactors, materials tend to adhere to the inner wall of the reactor during the mixing process, making cleaning difficult and affecting work efficiency.
A mixing vessel including a vessel body, a stirring device, and a scraping device was designed. A drive motor drives a rotating shaft to rotate the device and the stirring device, thereby achieving rapid mixing of materials. The scraping device is also equipped to clean the inner wall of the vessel.
It achieves thorough mixing of materials and efficient cleaning of the inner wall of the vessel, improving the working efficiency of the equipment and reducing the time and labor intensity of manual cleaning.
Smart Images

Figure CN224103239U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of silicone rubber production, and specifically relates to a raw material mixing kettle for silicone rubber production. BACKGROUND
[0002] Silicone rubber is the largest category of organosilicon products, suitable for molding and injection molding, with excellent temperature resistance, corrosion resistance and insulation, as well as good elasticity and flexibility, and its electrical and mechanical properties remain unchanged under extreme temperature and low temperature conditions. In addition, it has considerable resistance to acids, bases, solvents, chemicals, oils and water, etc.
[0003] In the production process of silicone rubber, a reaction kettle is needed to heat and mix raw materials such as methyl vinyl raw rubber (liquid), white carbon black (solid) and silicone oil, which is a very important process in the production process of silicone rubber. In this process, the raw rubber is fully mixed with various additives, so that each component can be uniformly dispersed in the rubber, thereby enhancing the mechanical properties of silicone rubber, imparting other properties, ensuring product quality, facilitating subsequent processing, etc.
[0004] The silicone rubber raw material reaction kettle mainly consists of a kettle body, a stirring mechanism, a vacuum pump and a heating structure. The existing silicone rubber raw material reaction kettle can only clean the silicone rubber adhered to the inner wall of the kettle body. However, the mixed silicone rubber is in the form of a liquid gel with certain viscosity, and during the mixing process in the reaction kettle, there are problems such as incomplete mixing, strong material viscosity and difficulty in removing the mixed kettle inner wall, which leads to incomplete discharge of the material and the need for manual cleaning afterwards, which is time-consuming and labor-intensive, thereby affecting the working efficiency of the device. UTILITY MODEL CONTENTS
[0005] The utility model solves the above technical problems and provides a raw material mixing kettle for silicone rubber production.
[0006] To solve the above technical problems, the utility model provides the technical scheme:
[0007] A raw material mixing kettle for silicone rubber production, comprising a kettle body, a detachable kettle cover installed at the upper end of the kettle body;
[0008] A mixing device for mixing is installed in the kettle body, the mixing device comprises a drive motor at the lower end of the kettle body, and the output end of the drive motor is provided with a rotating shaft extending into the kettle body;
[0009] A pushing device for pushing the raw materials to flow and a stirring device for stirring the raw materials are installed on the outer side of the rotating shaft;
[0010] A scraping device for cleaning the inner wall of the kettle body is movably installed on the stirring device and the pushing device.
[0011] Preferably, the pushing device comprises two arc-shaped plates, a fixing plate is installed between the two arc-shaped plates and the rotating shaft, and the other end of the arc-shaped plate is provided with a limiting plate.
[0012] Preferably, the stirring device comprises a spiral plate, a plurality of connecting pipes are installed between the outer side of the spiral plate and the rotating shaft, the outer side of the rotating shaft is provided with a first fixing pipe, a second fixing pipe and a third fixing pipe, the two ends of the second fixing pipe are respectively connected with two stirring blades, and the other end of the two stirring blades is respectively connected with the first fixing pipe and the third fixing pipe.
[0013] Preferably, the scraping device comprises oppositely arranged first inserting rods, the upper end of the two first inserting rods is respectively provided with a connecting plate, the upper end of the connecting plate is provided with a rubber scraping arm, the upper end of the two rubber scraping arms is connected with a linkage plate, and the lower end of the linkage plate is provided with a second inserting rod.
[0014] Preferably, the upper end of the limiting plate is provided with a first groove matched with the first inserting rod.
[0015] Preferably, the upper end of the rotating shaft is provided with a second groove matched with the second inserting rod.
[0016] Preferably, the lower end of the kettle body is provided with a supporting leg.
[0017] After the above structure is adopted, the kettle body has the following advantages:
[0018] The driving motor of the mixing device drives the pushing device and the stirring device to work, the spiral plate and the plurality of stirring blades rotate, the raw materials such as raw rubber, white carbon black and silicone oil can be stirred more quickly, the scraping device can be installed on the stirring device and the pushing device, the silicone rubber scraping arm is driven by the driving motor to scrape the inner wall of the kettle body, and the cleaning of the kettle body is completed.
[0019] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above-described illustrative aspects, embodiments and features, further aspects, embodiments and features of the present application will be readily apparent from the drawings and detailed description below. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some 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.
[0021] Figure 1 is a structural schematic view of the present application;
[0022] Figure 2 is a structural schematic view of the mixing device of the present application;
[0023] Figure 3 is a structural schematic view of the present application installing the silicone rubber scraping arm.
[0024] As shown in the figure: 1, kettle body; 2, kettle cover; 3, mixing device; 301, driving motor; 302, rotating shaft; 4, pushing device; 401, arc plate; 402, fixed plate; 403, limiting plate; 5, stirring device; 501, spiral plate; 502, connecting pipe; 503, first fixed pipe; 504, second fixed pipe; 505, third fixed pipe; 506, stirring blade; 6, scraping device; 601, first inserting rod; 602, connecting plate; 603, rubber scraping arm; 604, linkage plate; 605, second inserting rod; 7, first groove; 8, second groove; 9, supporting leg. DETAILED DESCRIPTION
[0025] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.
[0026] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0027] The present application will be further described in detail below in combination with the whole text.
[0028] In combination with the accompanying Figures 1-3 A raw material mixing kettle for silicone rubber production, which comprises a kettle body 1, a detachable kettle cover 2 is installed at the upper end of the kettle body 1, a mixing device 3 for mixing is installed in the kettle body 1, the mixing device 3 comprises a driving motor 301 at the lower end of the kettle body 1, and a rotating shaft 302 is installed at the output end of the driving motor 301 and extends into the kettle body 1.
[0029] In the specific implementation of the present application, for example, Figure 3As shown, the outer side of the rotating shaft 302 is provided with a pushing device 4 for pushing the raw material to flow, the pushing device 4 comprises two arc-shaped plates 401, a fixed plate 402 is arranged between the two arc-shaped plates 401 and the rotating shaft 302, and the other end of the arc-shaped plate 401 is provided with a limiting plate 403.
[0030] As shown in the specific implementation of the utility model, Figure 1 and Figure 2 As shown, the outer side of the rotating shaft 302 is provided with a stirring device 5 for stirring the raw material, the stirring device 5 comprises a spiral plate 501, a plurality of connecting pipes 502 are arranged between the outer side of the spiral plate 501 and the rotating shaft 302, the outer side of the rotating shaft 302 is provided with a first fixed pipe 503, a second fixed pipe 504 and a third fixed pipe 505, both ends of the second fixed pipe 504 are respectively connected with two stirring blades 506, and the other end of the two stirring blades 506 is respectively connected with the first fixed pipe 503 and the third fixed pipe 505. The rotating shaft 302 drives the spiral plate 501, the stirring blades 506 and the first fixed pipe 503, the second fixed pipe 504 and the third fixed pipe 505 to rotate, so as to mix and stir the raw material in the kettle body 1. Because of the spiral plate 501 and the plurality of stirring blades 506, the liquid silicone can be stirred more quickly.
[0031] As shown in the specific implementation of the utility model, Figure 1 and Figure 3 As shown, the stirring device 5 and the pushing device 4 are movably provided with a scraping device 6 for cleaning the inner wall of the kettle body 1. The scraping device 6 comprises oppositely arranged first inserting rods 601, the upper end of each of the two first inserting rods 601 is provided with a connecting plate 602, the upper end of the connecting plate 602 is provided with a rubber scraping arm 603, the upper end of each of the two rubber scraping arms 603 is connected with a linkage plate 604, and the lower end of the linkage plate 604 is provided with a second inserting rod 605. The upper end of the limiting plate 403 is provided with a first groove 7 matched with the first inserting rod 601, and the upper end of the rotating shaft 302 is provided with a second groove 8 matched with the second inserting rod 605. When cleaning is needed, the liquid silicone in the kettle body 1 flows out from the outlet, and then the liquid silicone adheres to the inner wall. The kettle cover 2 can be opened, the scraping device 6 is installed on the stirring device 5 and the pushing device 4, the first inserting rod 601 and the second inserting rod 605 are inserted into the first groove 7 and the second groove 8, and the silicone rubber scraping arm 603 is driven by the driving motor 301 to scrape the inner wall of the kettle body 1, so as to complete the cleaning of the kettle body 1.
[0032] The lower end of the kettle body 1 is provided with a supporting leg 9. Specifically, the kettle body 1 and the kettle cover 2 are connected by bolts, the kettle cover 2 is provided with a feeding port, and the line segment of the kettle body 1 is provided with a discharging port.
[0033] The working principle of the utility model is:
[0034] The driving motor 301 works to drive the rotating shaft 302 to rotate, drive the two arc-shaped plates 401 to rotate, the arc-shaped plates 401 push the liquid silicone to move, provide a basis for stirring, and drive the spiral plate 501, the stirring blade 506 and the first fixed tube 503, the second fixed tube 504 and the third fixed tube 505 to rotate, mix and stir the liquid silicone in the kettle body 1, because the spiral plate 501 and the plurality of groups of stirring blades 506, the liquid silicone can be stirred more quickly.
[0035] When cleaning is needed, the liquid silicone in the kettle body 1 flows out from the discharge port, the kettle cover 2 is opened, the scraping device 6 is installed on the stirring device 5 and the pushing device 4, the first inserting rod 601 and the second inserting rod 605 are inserted into the first recess 7 and the second recess 8, the silicone rubber scraping arm 603 is driven by the driving motor 301 to scrape the inner wall of the kettle body 1, and the cleaning of the kettle body 1 is completed.
[0036] The above describes the utility model and its implementation, which is not limited, and the shown in the full text is only one of the embodiments of the utility model, and the actual structure is not limited. In general, if the ordinary skilled person in the art is inspired, without departing from the creative purpose of the utility model, without creative design, the similar structure mode and the embodiment of the technical scheme should belong to the protection scope of the utility model.
Claims
1. A raw material mixing reactor for silicone rubber production, characterized in that, Including kettle body (1), the upper end of kettle body (1) is installed with detachable kettle cover (2); The kettle body (1) is installed with mixing device (3) for mixing, the mixing device (3) includes the drive motor (301) of the lower end of kettle body (1), the output end of drive motor (301) is installed with rotating shaft (302) and rotating shaft (302) extends into kettle body (1); The outer side of rotating shaft (302) is installed with pushing device (4) for pushing raw material flow and stirring device (5) for stirring raw material; The stirring device (5) and pushing device (4) are movably installed with scraping device (6) for cleaning the inner wall of kettle body (1).
2. The raw material mixing kettle for producing silicone rubber according to claim 1, characterized in that: The pushing device (4) includes two arc-shaped plates (401), two arc-shaped plates (401) and rotating shaft (302) are installed with fixed plate (402), the other end of arc-shaped plate (401) is installed with limiting plate (403).
3. The raw material mixing kettle for producing silicone rubber according to claim 2, characterized in that: The stirring device (5) includes spiral plate (501), the outer side of spiral plate (501) and rotating shaft (302) are installed with multiple groups of connecting pipes (502), the outer side of rotating shaft (302) is installed with first fixed pipe (503), second fixed pipe (504) and third fixed pipe (505), two ends of second fixed pipe (504) are connected with two stirring blades (506) respectively, the other end of two stirring blades (506) is connected with first fixed pipe (503) and third fixed pipe (505) respectively.
4. The raw material mixing kettle for producing silicone rubber according to claim 3, characterized in that: The scraping device (6) includes oppositely arranged first inserting rod (601), the upper end of two first inserting rods (601) is installed with connecting plate (602), the upper end of connecting plate (602) is installed with rubber scraping arm (603), the upper end of two rubber scraping arms (603) is connected with linkage plate (604), the lower end of linkage plate (604) is installed with second inserting rod (605).
5. The raw material mixing kettle for producing silicone rubber according to claim 4, characterized in that: The upper end of limiting plate (403) is provided with first recess (7) matched with first inserting rod (601).
6. The raw material mixing kettle for producing silicone rubber according to claim 4, characterized in that: The upper end of rotating shaft (302) is provided with second recess (8) matched with second inserting rod (605).
7. The raw material mixing kettle for producing silicone rubber according to claim 1, characterized in that: The lower end of kettle body (1) is installed with supporting leg (9).