Raw material mixing device

Abstract

The utility model is applicable to the technical field of mixing equipment, and provides a raw material mixing device, which comprises a mixing barrel internally provided with a stirring shaft, a material distribution filter screen arranged in the mixing barrel, and a first feed port and a second feed port which are positioned at the top and the bottom of the material distribution filter screen on the mixing barrel; the material distributing filter screen is arranged on the stirring shaft, the material scraping piece is connected with the stirring shaft in a sliding mode, the bottom of the material scraping piece is tightly attached to the top of the material distributing filter screen, and when the material scraping piece rotates relative to the material distributing filter screen, materials on the material distributing filter screen are evenly distributed on the material distributing filter screen. It is guaranteed that materials can be evenly distributed during feeding, and the mixing effect of the materials is optimized.

Description

TECHNICAL FIELD

[0001] The utility model relates to mixing equipment technical field especially relates to a raw material mixing device. BACKGROUND

[0002] This is the main raw material of producing silicon carbide tube, usually including different particle size silicon carbide particles. Through mixing, different particle size silicon carbide particles can be evenly distributed, so as to improve the performance and quality of products.

[0003] But in prior art, when mixing silicon carbide particles, due to the different feeding position of different particles, and when feeding, the existing raw material components are usually introduced through pipeline or feeding port, which can easily cause the composition of raw materials to concentrate in the local position of the stirring cylinder during introduction, affecting the subsequent mixing effect.

[0004] From the above, it is obvious that the prior art has inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENT

[0005] In view of the above defects, the utility model aims at providing a raw material mixing device, which can evenly distribute the material during feeding by setting a structure that can distribute the feeding raw material, and optimize the mixing effect of the material.

[0006] In order to achieve the above purpose, the utility model provides a raw material mixing device, which comprises: a mixing cylinder with a stirring shaft inside, a distribution filter screen is arranged inside the mixing cylinder, a first feeding port and a second feeding port are arranged on the top and bottom of the distribution filter screen of the mixing cylinder; a scraping piece is slidably connected with the stirring shaft, the bottom of the scraping piece is tightly attached to the top of the distribution filter screen, and the scraping piece uniformly distributes the material on the distribution filter screen when rotating relative to the distribution filter screen.

[0007] According to the raw material mixing device of the utility model, the inside of the mixing cylinder is provided with a limiting flange, the distribution filter screen abuts against the top of the limiting flange, the edge of the distribution filter screen is provided with a limiting groove in contact with the limiting flange, and the top of the limiting flange is provided with a limiting convex edge corresponding to the limiting groove.

[0008] According to the raw material mixing device of the utility model, the inside of the scraping piece is provided with a sliding sleeve, the sliding sleeve is slidably connected with the rotating shaft of the stirring shaft, and the stirring shaft rotates to drive the sliding sleeve to rotate synchronously.

[0009] The raw material mixing device has the advantages that the limiting portion is arranged on the rotating shaft, the push spring is arranged between the limiting portion and the sliding sleeve, the scraping member abuts against the top of the cloth filter screen under the action of the push spring, the protective sleeve is arranged on the outside of the push spring.

[0010] According to the raw material mixing device, the scraping member includes a scraper arranged on the outside of the sliding sleeve, the top of the cloth filter screen is provided with a wedge-shaped guide portion, and the scraper impacts the cloth filter screen under the action of the push spring after passing through the guide portion.

[0011] According to the raw material mixing device, the top of the mixing cylinder is provided with a cover plate, the first feeding port is arranged on the cover plate, the cover plate is provided with a driving motor for driving the stirring shaft to rotate, and a plurality of stirring blades in a spiral structure are arranged on the outside of the stirring shaft.

[0012] The raw material mixing device has the advantages that the raw material mixing device has the advantages that the limiting portion is arranged on the rotating shaft, the push spring is arranged between the limiting portion and the sliding sleeve, the scraping member abuts against the top of the cloth filter screen under the action of the push spring, the protective sleeve is arranged on the outside of the push spring, the first feeding port and the second feeding port are arranged on the top and the bottom of the cloth filter screen, the first feeding port and the second feeding port are separated from each other, the two materials are separated from each other when being added, the subsequent mixing process is facilitated, and the addition of the materials is facilitated, the scraping member is in sliding connection with the stirring shaft, the bottom of the scraping member is in close contact with the top of the cloth filter screen, the materials on the cloth filter screen are uniformly distributed on the cloth filter screen when the scraping member rotates relative to the cloth filter screen, then the granular materials directly fall from the cloth filter screen to the inside of the mixing cylinder in the cloth distribution process, the mixing process of the granular materials is completed, and the granular materials are uniformly distributed when being added. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a perspective structural schematic view of the utility model;

[0014] Figure 2 is a sectional structural schematic view of the utility model;

[0015] Figure 3 is Figure 2 is an enlarged structural schematic view of part A in the utility model;

[0016] Figure 4 is a cloth filter screen perspective structural schematic view of the utility model;

[0017] Figure 5 is a three-dimensional structure schematic diagram of the material scraping piece of the utility model;

[0018] In the drawing, 1 - mixing cylinder, 11 - limiting flange, 12 - connecting flange, 2 - discharge port, 3 - second feed port, 4 - cover plate, 5 - driving motor, 6 - first feed port, 7 - stirring shaft, 71 - limiting portion, 8 - cloth filter screen, 81 - guide portion, 82 - limiting groove, 9 - material scraping piece, 91 - thrust spring, 92 - protective sleeve, 93 - scraper. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples, and it should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0020] Referring to Figures 1-5 The utility model provides a kind of raw material mixing device, which includes the mixing cylinder 1 with stirring shaft 7 in it, and the inside of the mixing cylinder 1 is provided with cloth filter screen 8.By setting cloth filter screen 8, it ensures that the granular material entering through the first feed port 6 is evenly scattered into the inside of the mixing cylinder 1, ensuring the efficiency of raw material mixing.The first feed port 6 and the second feed port 3 on the top and bottom of the cloth filter screen 8 on the mixing cylinder 1 are separated from each other, ensuring that the two materials are separated when added, facilitating the subsequent mixing process and the addition of materials.The material scraping piece 9 is connected with the stirring shaft 7, and the bottom of the material scraping piece 9 is in close contact with the top of the cloth filter screen 8.When the material scraping piece 9 rotates relative to the cloth filter screen 8, the material on the cloth filter screen 8 is evenly distributed onto the cloth filter screen 8, and then during the cloth distribution process, the granular material directly falls from the cloth filter screen 8 into the inside of the mixing cylinder 1, completing the mixing process of the granular material, and then being discharged from the bottom discharge port 2.

[0021] Preferably, the inside of the mixing cylinder 1 of the utility model is provided with a limiting flange 11, and the cloth filter screen 8 abuts against the top of the limiting flange 11, ensuring that the cloth filter screen 8 can be normally installed in the inside of the mixing cylinder 1.The edge of the cloth filter screen 8 is provided with a limiting groove 82 in contact with the limiting flange 11, and the top of the limiting flange 11 is provided with a limiting flange corresponding to the limiting groove 82.During installation, the limiting flange is directly clamped into the inside of the limiting groove 82, thereby limiting the rotation of the cloth filter screen 8, ensuring that the material scraping piece 9 can rotate relative to the cloth filter screen 8, facilitating the installation and fixation of the cloth filter screen 8.

[0022] In addition, the inner side of the material scraping piece 9 is provided with a sliding sleeve, the sliding sleeve is slidingly connected to the rotating shaft of the stirring shaft 7, so that the material scraping piece 9 can only slide on the rotating shaft and cannot rotate, thereby ensuring that the stirring shaft 7 drives the sliding sleeve to rotate synchronously, the rotating shaft is provided with a limiting portion 71, a thrust spring 91 is arranged between the limiting portion 71 and the sliding sleeve, the material scraping piece 9 abuts against the top of the cloth filter screen 8 under the action of the thrust spring 91, so that the normal scraping of the material scraping piece 9 on the cloth filter screen 8 is ensured, and the outer side of the sliding sleeve is provided with a protective sleeve 92 sleeved on the outer side of the thrust spring 91, so that the thrust spring 91 is protected by the protective sleeve 92, and damage of the thrust spring 91 caused by the granular material is prevented.

[0023] Further, the material scraping piece 9 comprises a scraper 93 arranged on the outer side of the sliding sleeve, the top of the cloth filter screen 8 is provided with a wedge-shaped guide portion 81, and the scraper 93 impacts the cloth filter screen 8 under the action of the thrust spring 91 after passing through the guide portion 81, so that the granular material clamped on the cloth filter screen 8 can be cleaned, and the normal discharging of the cloth filter screen 8 is completed.

[0024] Better, the top of the mixing cylinder 1 is provided with a cover plate 4, the first feeding port 6 is arranged on the cover plate 4, the cover plate 4 is provided with a driving motor 5 for driving the stirring shaft 7 to rotate, and a plurality of stirring blades in a spiral structure are arranged on the outer side of the stirring shaft 7, so that the stirring blades can turn the material during stirring and mixing.

[0025] In the embodiment, referring to Figures 1-5 In use, the cover plate 4 and the connecting flange 12 at the top of the mixing cylinder 1 are connected, then one kind of granular material is directly conveyed into the interior of the mixing cylinder 1 through the second feeding port 3, and then a second kind of granular material is injected into the interior through the first feeding port 6, at this time, the driving motor 5 drives the stirring shaft 7 to rotate and stirs the material, and at the same time, the second kind of granular material falls from the top to the top of the cloth filter screen 8, then the driving motor 5 drives the material scraping piece 9 to rotate, and the material on the top of the cloth filter screen 8 is distributed and evenly falls to the bottom, then the material scraping piece 9 is first moved upward under the action of the guide portion 81, then impacts the cloth filter screen 8, and the discharging and distributing processes are completed.

[0026] In summary, the utility model provides a raw material mixing device, include: the mixing cylinder that is internally equipped with the stirring shaft, the inside of mixing cylinder is equipped with cloth filter screen, through setting cloth filter screen, guarantee can the granular material of first feed inlet enters, even scattering into the inside of mixing cylinder, guarantee raw material mixing efficiency, the first feed inlet and second feed inlet of cloth filter screen top and bottom on mixing cylinder, through first feed inlet and second feed inlet separate each other, guarantee two material addition separate each other, convenient subsequent mixing process, convenient material addition simultaneously, with The scraping piece that slides with stirring shaft, the bottom of scraping piece is close to the top of cloth filter screen, when relative rotation of scraping piece with cloth filter screen, even distribution material on cloth filter screen to cloth filter screen, then in the process of cloth, granular material falls from cloth filter screen to the inside of mixing cylinder directly, completes the mixing process of granular material, in summary, the utility model produces technical effect is through setting up a structure that can cloth material of raw material of feeding, guarantee can even cloth material when feeding, optimize the mixing effect of material.

[0027] Of course, the utility model also can have other various embodiments, without departing from the spirit and essence of the utility model, the person skilled in the art can make various corresponding changes and deformation according to the utility model, but these corresponding changes and deformation should all belong to the protection scope of the claims attached to the utility model.

[0028] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

Claims

1. A raw material mixing device characterized by comprising: The utility model relates to a mixing barrel with a stirring shaft, a cloth filter screen in the mixing barrel, a first feeding port and a second feeding port on the top and bottom of the cloth filter screen, a scraping member in sliding connection with the stirring shaft, the bottom of the scraping member abutting against the top of the cloth filter screen, the scraping member distributing the material on the cloth filter screen to the cloth filter screen when rotating relative to the cloth filter screen. The interior of the mixing barrel is provided with a limiting flange, the cloth filter screen abuts against the top of the limiting flange, the edge of the cloth filter screen is provided with a limiting groove in contact with the limiting flange, and the top of the limiting flange is provided with a limiting convex edge corresponding to the limiting groove. The interior of the scraping member is provided with a sliding sleeve in sliding connection with the rotating shaft of the stirring shaft, the stirring shaft rotates to drive the sliding sleeve to rotate synchronously.

2. The raw material mixing device according to claim 1, wherein The rotating shaft is provided with a limiting portion, a push spring is arranged between the limiting portion and the sliding sleeve, the scraping member abuts against the top of the cloth filter screen under the action of the push spring, and the exterior of the sliding sleeve is provided with a protective sleeve arranged outside the push spring.

3. The raw material mixing device according to claim 1, wherein The scraping member comprises a scraper arranged outside the sliding sleeve, the top of the cloth filter screen is provided with a wedge-shaped guide portion, and the scraper impacts the cloth filter screen under the action of the push spring after passing through the guide portion.

4. The raw material mixing device according to claim 3, wherein The top of the mixing barrel is provided with a cover plate, the first feeding port is arranged on the cover plate, the cover plate is provided with a driving motor for driving the stirring shaft to rotate, and the exterior of the stirring shaft is provided with a plurality of helical stirring blades.

5. The raw material mixing device according to claim 4, wherein ​ 6. The raw material mixing device according to any one of claims 1 to 5, characterized by ​

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