Premixing device for preparing flame retardant
By designing a premixing device for flame retardant preparation, the problems of uneven mixing and clogging were solved by using a mixing disc and scraper structure, thus achieving a highly efficient flame retardant preparation process.
Patent Information
- Application Number
- CN202520186446.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-06
AI Technical Summary
Traditional premixing equipment is prone to raw material clumping and adhesion when mixing flame retardants, resulting in uneven mixing and easy blockage of the discharge port.
A premixing device for flame retardant preparation was designed, which adopts a mixing disc, an outer plate and a scraper section. By combining stirring and scraping, the raw materials are fully dispersed and uniformly mixed, and residue is avoided during discharge.
It improves the uniformity of mixing, avoids clogging at the discharge port, and ensures mixing quality and discharge efficiency.
Smart Images

Figure CN223800357U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of flame retardant preparation process, especially a premixing device for flame retardant preparation. BACKGROUND
[0002] The premixing of the flame retardant is an important step for preparing the material containing the flame retardant performance. The process usually involves uniformly dispersing the flame retardant into the base material to improve its fireproof performance, wherein the premixing method mainly has dry mixing, wet mixing and melt blending, wherein in the dry mixing, we find that the premixing equipment used in the traditional mixing often has the phenomenon of part of the single raw material caking or sticking when mixing two raw materials, resulting in uneven mixing, which also leads to the easy blockage of the discharge port when discharging. SUMMARY
[0003] The utility model discloses a premixing device for flame retardant preparation to solve the problems in the background art.
[0004] The utility model solves its technical problem and is implemented by the following technical scheme:
[0005] A premixing device for flame retardant preparation, including the base, the upper end surface of base is fixedly installed with two installation vertical boards, each installation vertical board is fixedly installed with the connecting portion respectively, each connecting portion is fixedly connected with the mixing horn cover respectively, the inner chamber of connecting portion and the inner chamber of mixing horn cover are communicated with each other, the annular plate is connected between two mixing horn covers, the outer side end surface of one installation vertical board is fixedly installed with motor, the output of motor is fixedly connected with the rotating shaft, the rotating shaft extends to the inner chamber side wall of another connecting portion and penetrates the inner chamber of two mixing horn covers, two mixing discs are fixedly installed on the rotating shaft, two mixing discs are symmetrically distributed about the annular plate, the disc body is fixedly installed on the rotating shaft at the middle position of two mixing discs, and L-shaped premixing rod is connected between each mixing disc and the disc body at equal intervals.
[0006] As preferred, a plurality of outer pasting plates are installed on the mixing disc at equal intervals, and the arc-shaped parts of each outer pasting plate are respectively slidably abutted on the inner cavity walls of the corresponding mixing horn covers.
[0007] As preferred, a plurality of connecting rods are installed on the disc body at equal intervals, and a scraper part is fixedly installed on each connecting rod, and the surface of the scraper part is slidably abutted on the inner side end surface of the annular plate.
[0008] Preferably, the left and right symmetrical mounting grooves are arranged on the inner end face of the annular plate, and the protruding parts are arranged at the edges of the mixing horn covers respectively, and the protruding parts are embedded in the corresponding mounting grooves respectively.
[0009] Preferably, the connecting part is fixedly provided with a discharging funnel, the bottom opening of the discharging funnel is communicated with the inner cavity of the connecting part, and the bottom of the inner cavity of the connecting part is provided with a slope part.
[0010] Preferably, the annular plate is provided with a discharging port penetrating through the bottom, the discharging port is fixedly provided with a discharging cylinder, the discharging cylinder is provided with a switch part, the bottom of the annular plate is fixedly provided with a support part, and the support part abuts against the upper end face of the base.
[0011] The utility model discloses the advantages and positive effects are:
[0012] The utility model discloses a kind of premixing devices for preparation of flame retardant, including base, annular plate, connecting part, discharging funnel, discharging cylinder, switch part, support part, two kinds of raw materials are placed in the annular plate, the raw materials are mixed in the annular plate, and the raw materials are discharged from the discharging cylinder. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model is further described below in connection with drawings and examples.
[0014] Figure 1 It is overall structure schematic view for the premixing device for preparation of flame retardant of the utility model;
[0015] Figure 2 It is main view sectional structure schematic view for the premixing device for preparation of flame retardant of the utility model;
[0016] Figure 3 It is the premixing device for preparation of flame retardant of the utility model Figure 2 It is local amplification structure schematic view of A place in middle;
[0017] Figure 4 It is structure schematic view of L-shaped premixing rod and connecting rod in the premixing device for preparation of flame retardant of the utility model.
[0018] The base 10; the installation vertical plate 11; the motor 12; the blanking funnel 13; the connecting part 14; the mixing horn cover 15; the annular plate 16; the support part 17; the discharge cylinder 18; the slope part 19; the rotating shaft 20; the mixing disc 21; the outer pasting plate 22; the disc body 23; the L-shaped premixing rod 24; the connecting rod 25; the scraper part 26; the protruding part 27. DETAILED DESCRIPTION
[0019] The utility model will be described further in detail by combining with the drawings, obviously, the described embodiment is only a part of the utility model embodiment, not all the embodiments, based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of the utility model protection, these drawings are all simplified schematic view, only with the schematic way the basic structure of the utility model is shown, therefore it only shows the structure related to the utility model.
[0020] In order to facilitate understanding the utility model, the utility model will be described more fully below with reference to relevant drawings, the drawings show several embodiments of the utility model, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0021] The utility model will be described further in detail by combining with the drawings, obviously, the described embodiment is only a part of the utility model embodiment, not all the embodiments, based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of the utility model protection, these drawings are all simplified schematic view, only with the schematic way the basic structure of the utility model is shown, therefore it only shows the structure related to the utility model. Figures 1-4 The utility model will be described further in detail by combining with the drawings, obviously, the described embodiment is only a part of the utility model embodiment, not all the embodiments, based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of the utility model protection, these drawings are all simplified schematic view, only with the schematic way the basic structure of the utility model is shown, therefore it only shows the structure related to the utility model. Figure 1 The view direction's front and rear, left and right, up and down direction is consistent with the direction shown in the drawing, Figure 1 The view direction's front and rear, left and right, up and down direction is consistent with the direction shown in the drawing.
[0022] In the utility model, unless otherwise explicitly specified and limited, the terms such as '' installation '' '' connection '' '' fixed '' and other terms should be understood broadly, for example, can be fixed connection, can be detachable connection, or integrated, can be mechanical connection, can be directly connected, can be indirectly connected through intermediate medium, can be the communication or interaction of at least two elements, unless otherwise explicitly limited. For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.
[0023] The utility model embodiment will be described further in detail below by combining with the drawings:
[0024] Please refer to Figures 1-4The utility model provides a premixing device of flame retardant preparation, including base 10, the upper end surface fixed mounting of base 10 has two installation vertical board 11, every installation vertical board 11 is fixedly installed with connecting portion 14 respectively, the inside hollow of connecting portion 14, premixing device of flame retardant preparation, including base 10, the upper end surface fixed mounting of base 10 has two installation vertical board 11, every installation vertical board 11 is fixedly installed with connecting portion 14 respectively, the inside hollow of connecting portion 14, the connecting portion 14 is fixedly installed with the blanking funnel 13 on, the raw material that needs mixing is added through blanking funnel 13 conveniently, simultaneously the blanking funnel 13 bottom end mouth and the inner chamber between connecting portion 14 communicate, the inner chamber bottom of connecting portion 14 is provided with slope portion 19, after the raw material enters the inner chamber of connecting portion 14 through blanking funnel 13, utilizes slope portion 19 and can quickly guide the raw material into the inner chamber of mixing horn cover 15, every connecting portion 14 is fixedly connected with mixing horn cover 15 respectively, the inner chamber of connecting portion 14 and the inner chamber of mixing horn cover 15 communicate with each other, two mixing horn cover 15 are connected with annular plate 16, one installation vertical board 11's outside end surface is fixedly installed with motor 12, the output of motor 12 is fixedly connected with the shaft 20, the shaft 20 extends to the inner chamber lateral wall of another connecting portion 14 and penetrates two mixing horn cover 15, two mixing discs 21 are fixedly installed on the shaft 20, two mixing discs 21 are about the annular plate 16 and are symmetrically distributed, the disc body 23 is fixedly installed on the shaft 20 at the intermediate position of two mixing discs 21, eight L-shaped premixing rods 24 are equidistantly distributed and connected between every mixing disc 21 and the disc body 23.
[0025] It is worth mentioning that, in order to further ensure the uniformity of mixing, several outer pasting plates 22 are equidistantly distributed and installed on the mixing disc 21 in the embodiment, one outer pasting plate 22 is selected and installed in the up-down orientation, the arc-shaped portions of each outer pasting plate 22 are slidingly abutted on the inner side cavity walls of the corresponding mixing horn covers 15, when mixing, the mixing disc 21 rotates to drive the outer pasting plates 22 to slide along the inner side cavity walls of the mixing horn covers 15, so that some raw materials adhered to the cavity walls can be scraped off, and the scraped mixed raw materials are pushed to the top of the mixing horn cover 15 and then fall into the middle mixed raw materials to participate in mixing, which greatly improves the uniformity and quality of mixing.
[0026] It is also worth mentioning that, in the embodiment, the left and right symmetrical mounting grooves are arranged on the inner end surface of the annular plate 16, the protruding part 27 is arranged at the edge of each mixing horn cover 15, each protruding part 27 is embedded in the corresponding mounting groove, so that the two mixing horn covers 15 leave a cavity in the middle of the annular plate 16, which facilitates the falling of the mixed raw materials into the cavity, and at the same time, the discharge port is arranged at the bottom of the annular plate 16, the discharge cylinder 18 is fixedly installed at the discharge port, the switch part is installed in the discharge cylinder 18, the bracket part 17 is fixedly installed at the bottom of the annular plate 16, the bracket part 17 abuts against the upper end surface of the base 10, after the raw materials are mixed, the switch part in the discharge cylinder 18 is opened, the mixed raw materials can be discharged through the discharge cylinder 18, and the outer pasting plates 22 on both sides are still rotating, so as to gather the residual raw materials to the direction of the annular plate 16, thereby maximizing the avoidance of the residual raw materials when the mixed raw materials are discharged.
[0027] It is necessary to note that, in order to further facilitate the discharge of the raw materials, in the embodiment, the connecting rods 25 are equidistantly arranged on the disc body 23, the scraper parts 26 are fixedly installed on each connecting rod 25, the surface of the scraper part 26 is slidingly abutted against the inner end surface of the annular plate 16, when the disc body 23 rotates, the scraper part 26 continuously slides in the cavity formed by the two mixing horn covers 15 on the annular plate 16, so as to continuously reciprocate the raw materials falling into the inner side of the annular plate 16, which can effectively avoid the accumulation and blockage of the raw materials at the discharge port.
[0028] In specific implementation, two raw materials to be mixed are added from the left and right of the discharge funnel 13 respectively, and the raw materials fall into the inner cavity of the mixing horn 15 through the connecting part 14. At this time, the motor 12 is started, the rotating shaft 20 rotates, and the two mixing discs 21 are driven to rotate. Firstly, the two L-shaped premixing rods 24 are used to stir the two raw materials respectively, and the raw materials are fully dispersed. Finally, the two raw materials are mixed in the middle during the stirring and mixing process. During the mixing process, the outer plate 22 slides along the inner cavity wall of the mixing horn 15, so that some raw materials adhering to the cavity wall can be scraped off, and the scraped mixed raw materials are pushed to the top of the mixing horn 15 and then fall into the middle mixed raw materials to participate in the mixing, thereby greatly improving the uniformity and quality of the mixing. When the raw materials are taken out, the switch part in the discharge cylinder 18 is opened, the disc body 23 in the middle continuously rotates, the scraper part 26 is used to continuously dredge the raw materials accumulated at the discharge port, and the raw materials are prevented from being blocked. At the same time, the outer plate 22 on the two sides still rotates, and the residual raw materials are gathered to the direction of the annular plate 16, so that the raw materials can be maximized to avoid residual when the mixed raw materials are discharged.
[0029] It should be emphasized that the embodiments of the utility model are illustrative rather than restrictive, and therefore the utility model is not limited to the embodiments described in the specific embodiments. Any other embodiments derived from the technical solution of the utility model by those skilled in the art also belong to the protection scope of the utility model.
Claims
1. A premixing device for the preparation of flame retardants comprising a base (10), characterized in that: The upper end surface of the base (10) is fixedly provided with two mounting vertical plates (11), each of which is fixedly provided with a connecting part (14), and each of the connecting parts (14) is fixedly connected with a mixing horn cover (15), and the inner cavities of the connecting parts (14) and the mixing horn covers (15) are in communication with each other, and the two mixing horn covers (15) are connected with an annular plate (16), and the outer side end surface of one of the mounting vertical plates (11) is fixedly provided with a motor (12), and the output end of the motor (12) is fixedly connected with a rotating shaft (20), and the rotating shaft (20) extends through the inner cavities of the two mixing horn covers (15) to the inner cavity side wall of the other connecting part (14), and the rotating shaft (20) is fixedly provided with two mixing discs (21), and the two mixing discs (21) are symmetrically arranged about the annular plate (16), and the rotating shaft (20) is fixedly provided with a disc body (23) at the middle position between the two mixing discs (21), and each of the mixing discs (21) and the disc body (23) is connected with an L-shaped premixing rod (24) at equal intervals.
2. A premixing device prepared from a flame retardant according to claim 1, characterized by: The mixing disc (21) is provided with a plurality of outer pasting plates (22) at equal intervals, and the arc-shaped parts of each of the outer pasting plates (22) are respectively slidably abutted on the inner cavity walls of the corresponding mixing horn covers (15).
3. A premixing device prepared from a flame retardant according to claim 2, characterized by: The disc body (23) is provided with a plurality of connecting rods (25) at equal intervals, and each of the connecting rods (25) is fixedly provided with a scraper part (26), and the surface of the scraper part (26) is slidably abutted on the inner side end surface of the annular plate (16).
4. A premixing device prepared from a flame retardant according to claim 3, characterized by: The inner side end surface of the annular plate (16) is symmetrically provided with mounting grooves, and each of the mixing horn covers (15) is provided with a protruding part (27) at the edge, and each of the protruding parts (27) is embedded in the corresponding mounting groove.
5. A premixing device prepared from a flame retardant according to claim 4, characterized by: The connecting part (14) is fixedly provided with a discharging funnel (13), and the bottom end opening of the discharging funnel (13) is in communication with the inner cavity of the connecting part (14), and the inner cavity bottom of the connecting part (14) is provided with a slope part (19).
6. A premixing device prepared from a flame retardant according to claim 5, characterized by: The annular plate (16) is provided with a discharging port at the bottom, and the discharging port is fixedly provided with a discharging cylinder (18), and the discharging cylinder (18) is provided with a switching part, and the bottom of the annular plate (16) is fixedly provided with a support part (17), and the support part (17) is abutted on the upper end surface of the base (10).