Stirring equipment for producing gypsum plaster board

By using a conical filter screen and a fixed rod structure in the paper-faced gypsum board production equipment, the problem of uneven mixing caused by clumping gypsum powder was solved, achieving uniform mixing and slurry fluidity, thus improving the quality of the boards.

CN224044159UActive Publication Date: 2026-03-27GUIYANG GREENSON GYPSUM CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In the production of paper-faced gypsum board, clumping gypsum powder leads to uneven mixing and poor slurry flowability, affecting the strength and molding quality of the board, which is difficult to solve effectively with existing technologies.

Method used

It adopts a conical filter screen and fixed rod structure. The conical filter screen filters out clumps of gypsum powder, and the elastic strip sweeps at the top of the conical filter screen to prevent the mesh from clogging. The spiral stirring blades achieve uniform stirring.

Benefits of technology

This effectively prevents lumpy gypsum powder from entering the outer shell, ensuring uniform mixing and slurry fluidity, and improving the strength and molding quality of the board.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of gypsum board production, and particularly relates to stirring equipment for gypsum plaster board production, which comprises an outer shell and a driving motor, a feed hopper is arranged at the top of the outer shell, a fixing frame is arranged at the top of the outer shell, the driving motor is positioned on the inner side of the fixing frame, a rotating shaft is arranged at the bottom of the driving motor, and the rotating shaft is positioned on the inner side of the fixing frame. The rotating shaft is located on the inner side of the outer shell and the inner side of the feeding hopper, spiral stirring blades are arranged on the outer side of the rotating shaft, and a conical filter screen is arranged on the inner side of the feeding hopper. Materials can be stirred through the spiral stirring blades, so that the purpose of manufacturing gypsum slurry is achieved, gypsum powder can be filtered through the conical filter screen, the situation that due to the fact that caked gypsum powder enters the outer shell, stirring is not uniform, and the slurry fluidity is poor is avoided, and meanwhile the gypsum powder can be recycled. And a plurality of elastic strips can move on the top of the conical filter screen through a fixing rod, and the situation that caked gypsum powder blocks meshes of the conical filter screen can be avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of gypsum board production, and particularly relates to a stirring equipment for paper-faced gypsum board production. BACKGROUND

[0002] Paper-faced gypsum board is a light building board made of building gypsum as main raw material, mixed with fiber, foaming agent and other additives, and covered with high-strength face paper on both sides. When producing paper-faced gypsum board, building gypsum powder, water and additives need to be mixed in proportion, and then the mixture is stirred into uniform slurry. Gypsum slurry stirring is one of the core processes in paper-faced gypsum board production, which directly affects the uniformity, strength, density and forming quality of the board. However, since gypsum powder has strong hygroscopicity, it is easy to form lumps during storage. If the lumped gypsum powder is used in the process of making gypsum slurry, it will cause uneven stirring and poor slurry flowability, and even affect the strength of the board. Therefore, it is necessary to screen out the lumped gypsum powder. SUMMARY

[0003] The utility model provides a kind of paper-faced gypsum board production stirring equipment, with it can be filtered to gypsum powder by conical filter screen, avoid lumped gypsum powder into shell body, by fixed rod can make several elastic strips move at the top of conical filter screen, avoid the mesh of conical filter screen from being blocked by lumped gypsum powder.

[0004] The utility model provides the following technical scheme: including shell body and drive motor, the top of shell body is equipped with feed hopper, the top of shell body is equipped with fixed frame, drive motor is located in the inside of fixed frame, the bottom of drive motor is equipped with shaft, the inside of shell body and feed hopper is located in the inside of shaft, the outside of shaft is equipped with spiral stirring blade, the inside of feed hopper is equipped with conical filter screen, the outside of shaft is equipped with fixed rod, the top of conical filter screen is located in the top of fixed rod, the bottom of fixed rod is equipped with several elastic strips, the bottom of elastic strip is in contact with conical filter screen.

[0005] Wherein, the top of shell body is equipped with feed inlet, the feed hopper is aligned with the feed inlet, and the bottom of shell body is equipped with several support rods.

[0006] Wherein, the size of fixed plate and movable plate is same, the fixed plate and movable plate are all equipped with link grooves, and the shaft is located in the inside of link groove.

[0007] Wherein, the conical filter screen is equipped with through groove, and the shaft is located in the inside of through groove.

[0008] The bottom of the feed hopper has several empty slots, and the top of the outer shell is movably connected to two semi-annular support seats, with an extension plate on the outer side of each semi-annular support seat.

[0009] The rotating shaft has a fixing ring on its outer side, and the end of the fixing rod is fixedly connected to the fixing ring.

[0010] The bottom of the outer casing is provided with a discharge pipe, and a sealing cap is threaded to the outside of the discharge pipe. A filling block is provided on the inside of the sealing cap, and the filling block matches the internal dimensions of the discharge pipe.

[0011] The beneficial effects of this utility model are: the spiral stirring blades can stir the materials to achieve the purpose of making gypsum slurry, and the conical filter screen can filter the gypsum powder to prevent lumps of gypsum powder from entering the outer shell, which would cause uneven stirring and poor slurry flowability. At the same time, the fixing rod can move several elastic strips at the top of the conical filter screen to prevent lumps of gypsum powder from clogging the mesh of the conical filter screen.

[0012] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0014] Figure 2 This is a top view of the structure of this utility model;

[0015] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0016] Figure 4 This utility model Figure 3 Enlarged view of part A in the image;

[0017] Figure 5 This utility model Figure 3 Enlarged view of part B in the image;

[0018] Figure 6 This is a cross-sectional structural diagram of the feed hopper in this utility model;

[0019] In the figure: 1, the outer shell; 11, feed inlet; 12, fixed frame; 121, drive motor; 13, discharge pipe; 14, sealing cover; 141, filling block; 15, semi-annular support seat; 151, extension plate; 16, support rod; 2, feed hopper; 21, fixed plate; 22, movable plate; 221, link groove; 23, empty groove; 24, conical filter screen; 241, through groove; 3, rotating shaft; 31, spiral stirring blade; 32, fixed ring; 33, fixed rod; 331, elastic strip. DETAILED DESCRIPTION

[0020] Please refer to Figures 1-6 The utility model provides the following technical scheme: including outer shell 1 and drive motor 121, the top of outer shell 1 is equipped with feed hopper 2, the top of outer shell 1 is equipped with fixed frame 12, drive motor 121 is located in the inside of fixed frame 12, the bottom of drive motor 121 is equipped with rotating shaft 3, rotating shaft 3 is located in the inside of outer shell 1 and feed hopper 2, the outside of rotating shaft 3 is equipped with spiral stirring blade 31, the inside of feed hopper 2 is equipped with conical filter screen 24, the outside of rotating shaft 3 is equipped with fixed rod 33, fixed rod 33 is located at the top of conical filter screen 24, the bottom of fixed rod 33 is equipped with a plurality of elastic strips 331, the bottom of elastic strip 331 is in contact with conical filter screen 24.

[0021] In this embodiment: including the shell 1 and drive motor 121, drive motor 121 is well known in the art of technical means, because the technical structure is not the improvement of the utility model, therefore will not be described, the top of the shell 1 is equipped with feed hopper 2, feed hopper 2 is fixedly connected with the shell 1, through feed hopper 2 can be introduced into the shell 1, the top of the shell 1 is equipped with fixed frame 12, fixed frame 12 is fixedly connected with the shell 1, and fixed frame 12 is located at the top and outside of feed hopper 2, drive motor 121 is located at the inside of fixed frame 12, drive motor 121 is fixedly connected with fixed frame 12, and drive motor 121 is located at the top of feed hopper 2, drive motor 121 is coaxial with feed hopper 2 and the shell 1, the bottom of drive motor 121 is equipped with the rotating shaft 3, the rotating shaft 3 can be controlled to rotate through drive motor 121, the rotating shaft 3 is located at the inside of the shell 1 and feed hopper 2, the outside of the rotating shaft 3 is equipped with spiral stirring blade 31, spiral stirring blade 31 is fixedly connected with the rotating shaft 3, and spiral stirring blade 31 is located at the inside of the shell 1, when the rotating shaft 3 rotates, spiral stirring blade 31 will rotate at the inside of the shell 1, when the material is located at the inside of the shell 1, the material can be stirred through the rotation of spiral stirring blade 31, the inside of feed hopper 2 is equipped with conical filter screen 24, the size of conical filter screen 24 gradually increases from top to bottom, when the gypsum powder is located at the top of conical filter screen 24, the gypsum powder can be screened through conical filter screen 24, the agglomerated gypsum powder is intercepted by conical filter screen 24, the outside of the rotating shaft 3 is equipped with fixed rod 33, fixed rod 33 is in an inclined state, when the rotating shaft 3 rotates, fixed rod 33 will rotate simultaneously, fixed rod 33 is located at the top of conical filter screen 24, the inclination angle of fixed rod 33 matches with that of conical filter screen 24, the bottom of fixed rod 33 is equipped with a plurality of elastic strips 331, a plurality of elastic strips 331 are equidistantly arranged, the bottom of elastic strip 331 is in contact with conical filter screen 24, when fixed rod 33 rotates, a plurality of elastic strips 331 will sweep at the top of conical filter screen 24, so that the mesh of conical filter screen 24 can be prevented from being blocked by the agglomerated gypsum powder.

[0022] The top of the shell 1 is provided with a feed inlet 11, the feed hopper 2 is aligned with the feed inlet 11, and the bottom of the shell 1 is provided with a plurality of supporting rods 16; the material can enter the shell 1 through the feed inlet 11, and the bottom of the shell 1 is in a suspended state through the plurality of supporting rods 16.

[0023] The fixed plate 21 and the movable plate 22 are of the same size, and the fixed plate 21 and the movable plate 22 are provided with a connecting groove 221, and the rotating shaft 3 is located inside the connecting groove 221; by rotating the movable plate 22, the positional relationship between the movable plate 22 and the fixed plate 21 can be adjusted, when the movable plate 22 is out of position with the fixed plate 21, the top of the feeding hopper 2 can be closed, and when the movable plate 22 is in position with the fixed plate 21, the top of the feeding hopper 2 will be in an open state, so that the material can enter the feeding hopper 2.

[0024] The conical filter screen 24 is provided with a through groove 241, and the rotating shaft 3 is located inside the through groove 241; the through groove 241 and the rotating shaft 3 are matched in size, and the rotating shaft 3 is rotatable inside the through groove 241.

[0025] The bottom of the feeding hopper 2 is provided with a plurality of air slots 23, the top of the outer shell 1 is movably connected with two semi-annular support seats 15, and the outer side of the semi-annular support seat 15 is provided with an extension plate 151; the agglomerated gypsum powder on the conical filter screen 24 will roll down by the sweeping of the elastic strip 331, and the agglomerated gypsum powder can roll to the outside of the feeding hopper 2 through the air slots 23, and the top of the semi-annular support seat 15 is a slope, when the two semi-annular support seats 15 are in position on the outside of the feeding hopper 2, the semi-annular support seat 15 will be located at the bottom of the air slot 23, so as to block the air slot 23, avoiding the leakage of gypsum powder from the air slot 23.

[0026] The outer side of the rotating shaft 3 is provided with a fixed ring 32, and the end of the fixed rod 33 is fixedly connected with the fixed ring 32; when the rotating shaft 3 rotates, the fixed ring 32 and the fixed rod 33 will rotate synchronously.

[0027] The bottom of the outer shell 1 is provided with a discharge pipe 13, the outer side of the discharge pipe 13 is threadedly connected with a sealing cover 14, the inner side of the sealing cover 14 is provided with a filling block 141, and the filling block 141 is matched with the inner size of the discharge pipe 13; the gypsum slurry can be discharged outward through the discharge pipe 13, and the discharge pipe 13 can be blocked by the sealing cover 14, when the sealing cover 14 is connected with the discharge pipe 13, the filling block 141 will be located inside the discharge pipe 13, so as to fill the inside of the discharge pipe 13, avoiding the mixing of the material with other materials in the stirring process.

[0028] The working principle and use process of the utility model: in use, first need to rotate the movable plate 22 to with fixed plate 21 alignment, then can pour the material into the feed hopper 2, through the feed hopper 2 can the material is introduced into the shell body 1, through the rotation of the rotating shaft 3 can make the spiral stirring blade 31 rotate to the material inside the shell body 1 is stirred. When adding gypsum powder, through the conical filter screen 24 can screen the gypsum powder, the caked gypsum powder will be intercepted by the conical filter screen 24, and the rotation of the rotating shaft 3 will drive the fixed rod 33 to rotate, and the elastic strip 331 will sweep on the top of the conical filter screen 24, so that the caked gypsum powder can avoid the mesh of the conical filter screen 24 from being blocked, and when the stirring is completed, the gypsum slurry can be discharged outward through the discharge pipe 13, and by moving the two half-ring supporting seats 15 outward and being out of position with the empty slot 23, the caked gypsum powder on the conical filter screen 24 will be moved to the outside of the feed hopper 2 through the sweeping of the elastic strip 331 and the arc surface of the conical filter screen 24 through the empty slot 23, so that the caked gypsum powder can be cleaned.

Claims

1. A mixing device for the production of papered gypsum boards, comprising an outer housing (1) and a drive motor (121), characterized in that: The top of the outer shell (1) is provided with a feeding hopper (2), the top of the outer shell (1) is provided with a fixed frame (12), the driving motor (121) is located in the inner side of the fixed frame (12), the bottom of the driving motor (121) is provided with a rotating shaft (3), the rotating shaft (3) is located in the inner side of the outer shell (1) and the feeding hopper (2), the outer side of the rotating shaft (3) is provided with a spiral stirring blade (31), the inner side of the feeding hopper (2) is provided with a conical filter screen (24), the outer side of the rotating shaft (3) is provided with a fixed rod (33), the fixed rod (33) is located at the top of the conical filter screen (24), the bottom of the fixed rod (33) is provided with a plurality of elastic strips (331), the bottom of the elastic strip (331) is in contact with the conical filter screen (24).

2. A mixing apparatus for the production of paper faced gypsum board according to claim 1, characterized in that: The top of the outer shell (1) is provided with a feeding port (11), the feeding hopper (2) is aligned with the feeding port (11), and the bottom of the outer shell (1) is provided with a plurality of supporting rods (16).

3. A mixing apparatus for the production of paper faced gypsum board according to claim 2, characterized in that: The fixed plate (21) and the movable plate (22) are the same size, the fixed plate (21) and the movable plate (22) are provided with a connecting groove (221), and the rotating shaft (3) is located in the connecting groove (221).

4. A mixing apparatus for the production of paper faced gypsum board according to claim 3, characterized in that: The conical filter screen (24) is provided with a through groove (241), and the rotating shaft (3) is located in the through groove (241).

5. A mixing apparatus for the production of paper faced gypsum board according to claim 4, characterized in that: The bottom of the feeding hopper (2) is provided with a plurality of hollow grooves (23), the top of the outer shell (1) is movably connected with two half-ring supporting seats (15), and the outer side of the half-ring supporting seat (15) is provided with an extension plate (151).

6. A mixing apparatus for the production of paper faced gypsum board according to claim 5, characterized in that: The outer side of the rotating shaft (3) is provided with a fixed ring (32), and the end of the fixed rod (33) is fixedly connected with the fixed ring (32).

7. A mixing apparatus for the production of paper faced gypsum board according to claim 6, characterized in that: The bottom of the outer shell (1) is provided with a discharge pipe (13), the outer side of the discharge pipe (13) is threadedly connected with a sealing cover (14), the inner side of the sealing cover (14) is provided with a filling block (141), and the filling block (141) matches the internal size of the discharge pipe (13).