Gypsum powder drying device

Abstract

The utility model discloses a gypsum powder drying device which comprises a box body, a crushing barrel is arranged on the surface of the top of the box body, material guiding plates are symmetrically arranged on the inner wall of the crushing barrel, first rotating shafts are symmetrically arranged in the crushing barrel and located below the material guiding plates, crushing rollers are arranged on the first rotating shafts, and a plurality of crushing teeth are evenly arranged on the surfaces of the crushing rollers. A protective shell is arranged on the side wall of the crushing barrel and located on one side of the first rotating shaft, one end of the first rotating shaft penetrates through the side wall of the protective shell and is provided with a fourth motor, a second rotating shaft is arranged on the side, located on the crushing roller, in the crushing barrel, and a cleaning roller is arranged on the second rotating shaft. The gypsum powder cleaning device has the advantages that gypsum powder adhering to the surfaces of the crushing rollers can be cleaned, the situation that follow-up use is affected due to the fact that the gypsum powder adheres to the surfaces of the crushing rollers is avoided, the sieve plate can be vibrated, the gypsum powder is prevented from blocking the sieve plate, and the crushing efficiency is improved. And meanwhile, the sieve plate is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of gypsum powder processing, in particular to a gypsum powder drying device. Background Art

[0002] The production process of gypsum includes feeding, screening, dehydration and drying, dust removal, output and cooling, receiving and packaging. During the production process of gypsum, gypsum will first be processed into gypsum powder, but gypsum powder will contain moisture. When gypsum contains moisture, it is easy to clump, so the moisture in the gypsum powder needs to be removed.

[0003] The existing public technology has a publication number of CN215766054U, which discloses a gypsum powder dryer for a gypsum board production line, including: a box body, the upper end of which is fixedly connected to a feed port; a stirring mechanism, the stirring mechanism includes two crushing wheels, a slide plate, a plurality of leakage grooves, a first toothed belt and three first gears, the three first gears are all rotatably connected to one side end of the box body, the two crushing wheels are all rotatably connected to one side inner wall of the box body, one side end of the two first gears on the upper side is fixed to the central axis of the two crushing wheels, the slide plate is fixedly connected between the inner walls on both sides of the box body, and a plurality of leakage grooves are all opened at the upper end of the slide plate; a lifting mechanism, the lifting mechanism is arranged on one side of the box body to realize the re-crushing of the gypsum in the box body, the gypsum put in from the feed port is crushed, and the gypsum falls through the leakage groove on the slide plate to make the device more stable.

[0004] Although the above patent can crush gypsum multiple times, there are still some shortcomings in its use. First, during the crushing process of gypsum, some gypsum powder will adhere to the surface of the crushing wheel, and the patent lacks a structure for cleaning the crushing wheel, which may affect the subsequent use of the crushing wheel. Secondly, although the patent adopts a slide plate structure to reintroduce the uncrushed gypsum into the box for crushing, its slide plate is a fixed structure, and gypsum powder may clog the leakage groove on the slide plate. For the problems in the relevant technology, no effective solution has been proposed yet. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a gypsum powder drying device, which can clean the gypsum powder adhered to the surface of the crushing roller to prevent the gypsum powder from adhering to the surface of the crushing roller and affecting subsequent use, and can vibrate the sieve plate to prevent the gypsum powder from clogging the sieve plate, while facilitating the replacement of the sieve plate, thereby solving the problems in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] In order to achieve the above advantages, the specific technical solutions adopted by the utility model are as follows:

[0009] The gypsum powder drying device comprises a box body, a crushing cylinder is arranged on the top surface of the box body, a guide plate is symmetrically arranged on the inner wall of the crushing cylinder, a first rotating shaft is symmetrically arranged in the crushing cylinder below the guide plate, a crushing roller is arranged on the first rotating shaft, a plurality of crushing teeth are evenly arranged on the surface of the crushing roller, a protective shell is arranged on the side wall of the crushing cylinder on one side of the first rotating shaft, a fourth motor is arranged on one end of the first rotating shaft penetrating through the side wall of the protective shell, a second rotating shaft is arranged in the crushing cylinder on one side of the crushing roller, a cleaning roller is arranged on the second rotating shaft, a plurality of cleaning brushes are evenly arranged on the surface of the cleaning roller that fits the surface of the crushing roller, a first pulley is arranged on one end of the second rotating shaft penetrating through the side wall of the crushing cylinder and located in the protective shell, a second pulley is arranged on the first rotating shaft and located in the protective shell, and the first pulley is connected to the second pulley through a belt drive.

[0010] Furthermore, a drying cylinder is arranged in the box below the crushing cylinder, an electric heating plate is arranged on the bottom surface of the drying cylinder, the electric heating plate is arc-shaped, a first auger is arranged in the drying cylinder, one end of the first auger penetrates through the side wall of the box and is provided with a second motor, a discharge port is arranged at one end of the bottom surface of the drying cylinder, a mounting plate is hingedly connected to the inner wall of the box below the drying cylinder, a sieve plate is arranged on one side of the mounting plate, a first limiting groove is arranged on the side wall of the sieve plate, a first limiting plate is arranged in the first limiting groove on the side wall of the mounting plate, a second limiting groove is arranged above the first limiting plate on the side wall of the mounting plate, a second limiting plate is arranged in the second limiting groove on the side wall of the sieve plate, threaded holes are arranged on the surfaces of the first limiting plate and the second limiting plate, studs are arranged in the threaded holes, and nuts are arranged at the ends of the studs.

[0011] Furthermore, a rotating rod is provided on the inner wall of the box body below the sieve plate, a first motor is provided on one end of the rotating rod passing through the side wall of the box body, a first fixed cylinder is provided on the rotating rod below one end of the sieve plate, a plurality of first fixed plates are evenly provided on the surface of the first fixed cylinder close to the bottom surface of the sieve plate, a second fixed cylinder is provided on the rotating rod below the other end of the sieve plate, a plurality of second fixed plates are evenly provided on the surface of the second fixed cylinder close to the bottom surface of the sieve plate.

[0012] Furthermore, a through hole is provided on the side wall of the box body, and the end of the screen plate extends into the through hole. A feeding barrel is provided on the side wall of the box body at one side of the through hole, and a second auger is provided in the feeding barrel. One end of the second auger passes through the top surface of the feeding barrel and a third motor is provided. A feeding pipe is provided near the top of the feeding barrel surface, and the end of the feeding pipe passes through the side wall of the crushing barrel and extends into the crushing barrel.

[0013] Furthermore, a feed port is provided on the top surface of the crushing cylinder.

[0014] Furthermore, a discharge port is provided on the bottom surface of the box body, and a valve is provided on the discharge port.

[0015] Furthermore, the bottom surface of the box body is provided with supporting legs, and the supporting legs are provided in plurality.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a gypsum powder drying device, which has the following beneficial effects:

[0018] (1) The utility model adopts a structure of a crushing roller, a cleaning roller, a first pulley, a second pulley and a belt. When in use, the fourth motor rotates to drive the first rotating shaft to rotate and then drives the second pulley to rotate. Since the first pulley and the second pulley are connected by a belt transmission, the rotation of the second pulley drives the first pulley to rotate and then drives the second rotating shaft to rotate. The second rotating shaft drives the cleaning roller to rotate, and the cleaning brush on the surface of the cleaning roller brushes off the gypsum powder adhered to the surface of the crushing roller, so as to avoid excessive gypsum powder adhering to the crushing roller and affecting the subsequent crushing effect of the crushing roller.

[0019] (2) The utility model adopts a structure of a mounting plate, a sieve plate, a first limit plate, a second limit plate and a stud. When the sieve plate needs to be replaced and cleaned, the sieve plate can be removed by rotating the nut and then pulling the stud out of the threaded holes on the surfaces of the first limit plate and the second limit plate, thereby improving the convenience of replacing and cleaning the sieve plate. By adopting a structure of a rotating rod, a first fixed cylinder and a second fixed cylinder, the rotating rod is driven to rotate by starting the first motor, and the first fixed cylinder and the second fixed cylinder are driven to rotate by the rotating rod. The sieve plate can be intermittently knocked and vibrated by the first fixed plate on the surface of the first fixed cylinder and the second fixed plate on the surface of the second fixed cylinder, thereby preventing the sieve plate from being blocked by gypsum powder and affecting the normal use of the sieve plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a cross-sectional view of the gypsum powder drying device proposed by the utility model;

[0022] Figure 2 It is a structural schematic diagram of a crushing roller and a cleaning roller proposed by the utility model;

[0023] Figure 3It is a structural schematic diagram of the mounting plate and the screen plate proposed by the utility model;

[0024] Figure 4 It is a structural schematic diagram of the first fixed cylinder and the second fixed cylinder proposed by the utility model.

[0025] In the figure:

[0026] 1. Box body; 2. First fixed plate; 3. First motor; 4. First fixed cylinder; 5. Stud; 6. Mounting plate; 7. Discharge port; 8. Second motor; 9. First auger; 10. Drying cylinder; 11. Crushing cylinder; 12. Cleaning roller; 13. Crushing roller; 14. First rotating shaft; 15. Feed inlet; 16. Guide plate; 17. Feed pipe; 18. Third motor; 19. Feed cylinder; 20. Second auger; 21. Heating plate; 22. Sieve plate; 23. Second fixed cylinder; 24. Second fixed plate; 25. Support leg; 26. Discharge port; 27. Rotating rod; 28. Protective shell; 29. ​​First pulley; 30. Second rotating shaft; 31. Fourth motor; 32. Second pulley; 33. Belt; 34. First limit plate; 35. Second limit plate. DETAILED DESCRIPTION

[0027] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0028] According to an embodiment of the utility model, a gypsum powder drying device is provided.

[0029] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-4As shown, the gypsum powder drying device according to the embodiment of the utility model includes a box body 1, a crushing cylinder 11 is arranged on the top surface of the box body 1, a guide plate 16 is symmetrically arranged on the inner wall of the crushing cylinder 11, a first rotating shaft 14 is symmetrically arranged below the guide plate 16 in the crushing cylinder 11, a crushing roller 13 is arranged on the first rotating shaft 14, and a plurality of crushing teeth are evenly arranged on the surface of the crushing roller 13, a protective shell 28 is arranged on the side wall of the crushing cylinder 11 at one side of the first rotating shaft 14, a fourth motor 31 is arranged on one end of the first rotating shaft 14 penetrating through the side wall of the protective shell 28, and a second rotating shaft 30 is arranged on the side of the crushing roller 13 in the crushing cylinder 11, A cleaning roller 12 is arranged on the second rotating shaft 30, and a plurality of cleaning brushes are evenly arranged on the surface of the cleaning roller 12 which fits the surface of the crushing roller 13. One end of the second rotating shaft 30 passes through the side wall of the crushing cylinder 11 and is located in a protective shell 28 with a first pulley 29. A second pulley 32 is arranged on the first rotating shaft 14 and is located in the protective shell 28. The first pulley 29 and the second pulley 32 are connected through a belt 33. The function of the cleaning roller 12 is to brush off the gypsum powder adhered to the surface of the crushing roller 13 through the cleaning brush on the surface of the cleaning roller 12, so as to avoid excessive gypsum powder adhering to the crushing roller 13 and affecting the subsequent crushing effect of the crushing roller 13.

[0030] In one embodiment, a drying cylinder 10 is arranged below the crushing cylinder 11 in the box body 1, and an electric heating plate 21 is arranged on the bottom surface of the drying cylinder 10, and the electric heating plate 21 is arc-shaped. A first auger 9 is arranged in the drying cylinder 10, and one end of the first auger 9 penetrates through the side wall of the box body 1 and is provided with a second motor 8. A discharge port 7 is arranged at one end of the bottom surface of the drying cylinder 10, and a mounting plate 6 is hingedly connected to the inner wall of the box body 1 below the drying cylinder 10, and a sieve plate 22 is arranged on one side of the mounting plate 6, and a first limiting groove is arranged on the side wall of the sieve plate 22, and a first limiting plate 3 is arranged on the side wall of the mounting plate 6 in the first limiting groove. 4. A second limiting groove is arranged on the side wall of the mounting plate 6 above the first limiting plate 34, and a second limiting plate 35 is arranged on the side wall of the sieve plate 22 in the second limiting groove. Threaded holes are arranged on the surfaces of the first limiting plate 34 and the second limiting plate 35, and studs 5 are arranged in the threaded holes. Nuts are arranged at the ends of the studs 5. The function of the studs 5 is that when the sieve plate 22 needs to be replaced and cleaned, the sieve plate 22 can be removed by rotating the nuts and then pulling the studs 5 out of the threaded holes on the surfaces of the first limiting plate 34 and the second limiting plate 35, thereby improving the convenience of replacing and cleaning the sieve plate 22.

[0031] In one embodiment, a rotating rod 27 is provided on the inner wall of the box body 1 below the sieve plate 22, and a first motor 3 is provided at one end of the rotating rod 27 penetrating through the side wall of the box body 1, a first fixed cylinder 4 is provided on the rotating rod 27 below one end of the sieve plate 22, and a plurality of first fixed plates 2 are evenly provided on the surface of the first fixed cylinder 4 close to the bottom surface of the sieve plate 22, a second fixed cylinder 23 is provided on the rotating rod 27 below the other end of the sieve plate 22, and a plurality of second fixed plates 24 are evenly provided on the surface of the second fixed cylinder 23 close to the bottom surface of the sieve plate 22, and the function of the first fixed cylinder 4 and the second fixed cylinder 23 is that the sieve plate 22 can be intermittently knocked and vibrated by the first fixed plate 2 on the surface of the first fixed cylinder 4 and the second fixed plate 24 on the surface of the second fixed cylinder 23 to prevent the sieve plate 22 from being blocked by gypsum powder and affecting the normal use of the sieve plate 22.

[0032] In one embodiment, a through hole is provided on the side wall of the box body 1, and the end of the sieve plate 22 extends into the through hole. A feeding barrel 19 is provided on the side wall of the box body 1 on one side of the through hole, and a second auger 20 is provided in the feeding barrel 19. One end of the second auger 20 passes through the top surface of the feeding barrel 19 and a third motor 18 is provided. A feeding pipe 17 is provided near the top of the surface of the feeding barrel 19, and the end of the feeding pipe 17 passes through the side wall of the crushing barrel 11 and extends into the crushing barrel 11. The function of the feeding barrel 19 is to re-feed the gypsum powder that cannot pass through the sieve plate 22 into the crushing barrel 11 for crushing.

[0033] In one embodiment, a feed port 15 is provided on the top surface of the crushing drum 11 , and the function of the feed port 15 is to facilitate the feeding of gypsum powder into the crushing drum 11 .

[0034] In one embodiment, a discharge port 26 is provided on the bottom surface of the box body 1, and a valve is provided on the discharge port 26. The function of the discharge port 26 is to facilitate the removal of the dried gypsum powder.

[0035] In one embodiment, a supporting leg 25 is disposed on the bottom surface of the box body 1 . There are a plurality of supporting legs 25 . The supporting legs 25 play a role in providing certain support to the bottom surface of the box body 1 .

[0036] Working principle: When in use, first pour the gypsum powder into the crushing drum 11 through the feed port 15, and the fourth motor 31 rotates to drive the first rotating shaft 14 to rotate, and then drives the second pulley 32 to rotate. Since the first pulley 29 and the second pulley 32 are connected through the belt 33, the rotation of the second pulley 32 drives the first pulley 29 to rotate, and then drives the second rotating shaft 30 to rotate. The second rotating shaft 30 drives the cleaning roller 12 to rotate, and the cleaning brush on the surface of the cleaning roller 12 brushes off the gypsum powder adhered to the surface of the crushing roller 13, so as to avoid excessive gypsum powder adhering to the crushing roller 13 and affecting the subsequent crushing effect of the crushing roller 13. The crushed gypsum powder will fall into the drying drum 10 for drying. The dried gypsum powder falls onto the sieve plate 22 through the discharge port 7, and the first motor 3 is started to rotate to drive the rotating rod 27 to rotate, and the first fixed cylinder 4 and the second fixed cylinder 23 are driven to rotate by the rotating rod 27. The first fixed plate 2 on the surface of the first fixed cylinder 4 and the second fixed plate 24 on the surface of the second fixed cylinder 23 can intermittently knock and vibrate the sieve plate 22 to prevent the gypsum powder from clogging the sieve plate 22 and affecting the normal use of the sieve plate 22. When the sieve plate 22 needs to be replaced and cleaned, the sieve plate 22 can be removed by rotating the nut and then pulling out the stud 5 from the threaded holes on the surfaces of the first limiting plate 34 and the second limiting plate 35, thereby improving the convenience of replacing and cleaning the sieve plate 22.

[0037] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gypsum powder drying device, comprising a box (1), characterized in that: A crushing barrel (11) is arranged on the top surface of the box body (1), a guide plate (16) is symmetrically arranged on the inner wall of the crushing barrel (11), a first rotating shaft (14) is symmetrically arranged in the crushing barrel (11) below the guide plate (16), a crushing roller (13) is arranged on the first rotating shaft (14), a plurality of crushing teeth are evenly arranged on the surface of the crushing roller (13), a protective shell (28) is arranged on the side wall of the crushing barrel (11) on one side of the first rotating shaft (14), a fourth motor (31) is arranged at one end of the first rotating shaft (14) penetrating through the side wall of the protective shell (28), and the crushing A second rotating shaft (30) is arranged in the crushing cylinder (11) at one side of the crushing roller (13); a cleaning roller (12) is arranged on the second rotating shaft (30); a plurality of cleaning brushes are evenly arranged on the surface of the cleaning roller (12) so as to fit the surface of the crushing roller (13); one end of the second rotating shaft (30) passes through the side wall of the crushing cylinder (11) and is arranged in a protective shell (28) with a first pulley (29); a second pulley (32) is arranged on the first rotating shaft (14) and is arranged in the protective shell (28); the first pulley (29) and the second pulley (32) are connected to each other through a belt (33) for transmission.

2. The gypsum powder drying device according to claim 1, characterized in that: A drying cylinder (10) is arranged in the box body (1) below the crushing cylinder (11), and an electric heating plate (21) is arranged on the bottom surface of the drying cylinder (10), and the electric heating plate (21) is arc-shaped. A first auger (9) is arranged in the drying cylinder (10), and a second motor (8) is arranged at one end of the first auger (9) penetrating through the side wall of the box body (1). A discharge port (7) is arranged at one end of the bottom surface of the drying cylinder (10), and a mounting plate (6) is hingedly connected to the inner wall of the box body (1) below the drying cylinder (10), and one side of the mounting plate (6) is provided with A sieve plate (22) is provided, wherein the side wall of the sieve plate (22) is provided with a first limiting groove, the side wall of the mounting plate (6) is provided with a first limiting plate (34) located in the first limiting groove, the side wall of the mounting plate (6) is provided with a second limiting groove located above the first limiting plate (34), the side wall of the sieve plate (22) is provided with a second limiting plate (35) located in the second limiting groove, threaded holes are provided on the surfaces of the first limiting plate (34) and the second limiting plate (35), studs (5) are provided in the threaded holes, and nuts are provided at the ends of the studs (5).

3. The gypsum powder drying device according to claim 1, characterized in that: A rotating rod (27) is arranged on the inner wall of the box body (1) below the sieve plate (22); one end of the rotating rod (27) passes through the side wall of the box body (1) and is provided with a first motor (3); a first fixed cylinder (4) is arranged on the rotating rod (27) below one end of the sieve plate (22); a plurality of first fixed plates (2) are evenly arranged on the surface of the first fixed cylinder (4) close to the bottom surface of the sieve plate (22); a second fixed cylinder (23) is arranged on the rotating rod (27) below the other end of the sieve plate (22); a plurality of second fixed plates (24) are evenly arranged on the surface of the second fixed cylinder (23) close to the bottom surface of the sieve plate (22).

4. The gypsum powder drying device according to claim 2, characterized in that: The side wall of the box body (1) is provided with a through hole, the end of the sieve plate (22) extends into the through hole, the side wall of the box body (1) is provided with a feeding barrel (19) on one side of the through hole, a second auger (20) is provided in the feeding barrel (19), one end of the second auger (20) passes through the top surface of the feeding barrel (19) and a third motor (18) is provided, a feeding pipe (17) is provided near the top of the surface of the feeding barrel (19), and the end of the feeding pipe (17) passes through the side wall of the crushing barrel (11) and extends into the crushing barrel (11).

5. The gypsum powder drying device according to claim 1, characterized in that: The top surface of the crushing cylinder (11) is provided with a feed opening (15).

6. The gypsum powder drying device according to claim 1, characterized in that: The bottom surface of the box body (1) is provided with a discharge port (26), and a valve is provided on the discharge port (26).

7. The gypsum powder drying device according to claim 1, characterized in that: The bottom surface of the box body (1) is provided with supporting legs (25), and a plurality of supporting legs (25) are provided.

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