Automatic sand drying machine

Abstract

The utility model discloses an automatic sand drying machine, and relates to the technical field of drying devices. The device comprises a bottom plate, a mounting frame is fixedly connected to the top end, close to one side, of the bottom plate, a drying assembly is fixedly connected to the top end, close to one side, of the mounting frame, a side plate is fixedly connected to the side end, close to the top, of the mounting frame, and a vertical plate is fixedly connected to the top end, close to the mounting frame, of the bottom plate. A bent column is fixedly connected to the position, close to the vertical plate, of the top end of the bottom plate, a screening assembly is rotationally connected to the outer ring of the top end of the bent column, the drying assembly comprises a drying box, and the outer ring of the drying box is fixedly connected with the mounting frame. According to the sand drying device, the second motor and the air heater are operated, then under the mutual cooperation of the top plate, the rotating shaft and the air pipe, the effect of fully drying sand is achieved, and therefore the problem that the interior of the sand is not prone to being heated in the drying process due to the fact that the sand is high in humidity and prone to being bonded together before being dried is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of drying devices, in particular to an automatic sand drying machine. Background Art

[0002] Sand is widely used in the construction industry, and the demand for sand is increasing. However, most of the sand used on construction sites is river sand, which contains a lot of water and cannot be used directly. Sand often needs to be dried before use.

[0003] In the operation of the existing sand dryer, the sand is easy to stick together because the sand has high humidity before drying, which makes the sand difficult to heat during drying, and the sand is easy to agglomerate. At the same time, the drying box of some automatic dryers is not cylindrical, so that when the sand needs to be discharged after drying, some sand will be left at the bottom of the drying box, resulting in the loss of sand. The sand after drying needs to be screened out of the sand with qualified particle size before it can be used. Therefore, it is necessary to add a screening device to screen out the large particles of sand in the dried sand.

[0004] In view of the above problems, the inventor proposes an automatic sand drying machine to solve the above problems. Utility Model Content

[0005] In order to solve the problem that the sand has high humidity before drying and is easy to stick together, resulting in the sand being difficult to heat during drying, and the sand after drying needs to be screened out to find sand with a qualified particle size before it can be used; the purpose of the utility model is to provide an automatic sand dryer.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions: an automatic sand dryer, comprising a base plate, a mounting frame fixedly connected to the top of the base plate near one side, a drying assembly fixedly connected to the top of the mounting frame near one side, a side plate fixedly connected to the side end of the mounting frame near the top, a vertical plate fixedly connected to the top of the base plate near the mounting frame, a bent column fixedly connected to the top of the base plate near the vertical plate, and a screening assembly rotatably connected to the outer ring of the top of the bent column.

[0007] Preferably, the drying assembly includes a drying box, and the outer ring of the drying box is fixedly connected to the mounting frame, the top center of the drying box is fixedly connected to motor 2, the bottom of the drying box is fixedly connected to a valve near the center, the outer ring of the drying box and near the top is fixedly connected to a feed pipe, the top center of the drying box is rotatably connected to a connecting shaft, the output end of motor 2 passes through the drying box and is fixedly connected to the connecting shaft, and the bottom end of the connecting shaft is fixedly connected to a top plate.

[0008] Preferably, the bottom end of the top plate is symmetrically fixedly connected to the rotating shaft near both sides, and a plurality of stirring blades are fixedly connected to the outer ring of the rotating shaft, an auxiliary scraper is fixedly connected to the outer ring of the rotating shaft near the bottom, and the bottom end of the auxiliary scraper is in contact with the inner wall of the bottom end of the drying box, an air duct is fixedly connected to the outer ring of the drying box near the side panel, one end of the side panel near the air duct is fixedly connected to a hot air blower, and one end of the air duct is fixedly connected to the hot air blower.

[0009] Preferably, an inner groove is opened inside the vertical plate near the top, a support plate is fixedly connected to one end of the vertical plate away from the bent column and near the inner groove, a motor is fixedly connected to the top of the support plate, a clamping plate is fixedly connected to the side end of the vertical plate and near the support plate, springs are symmetrically fixedly connected to the bottom end of the inner groove near the center, and a connecting column is fixedly connected between the tops of the two springs.

[0010] Preferably, the screening assembly includes a screening box, one end of the screening box close to the connecting column is fixedly connected to a limiting frame one, one end of the connecting column close to the screening box is fixedly connected to a limiting frame two, and a rotating plate is rotatably connected between the limiting frame two and the limiting frame one, the screening box is rotatably connected to a cover plate at one end away from the connecting column and close to the bottom, the card plate is rotatably connected to a rotating block at one end of the screening box close to the center, and the rotating block cooperates with the connecting column, the output end of the motor one passes through the card plate and is fixedly connected to the rotating block, the top of the bottom plate is fixedly connected to a bent frame close to the bent column, the top of the bent frame is fixedly connected to a collecting box two, and the top of the bottom plate is located below the screening box and contacts with a collecting box one.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, the motor 2 and the hot air blower are operated, and then the top plate, the rotating shaft and the air duct cooperate with each other to achieve the effect of fully drying the sand, thereby solving the problem that the sand is relatively humid before drying and is easy to stick together, resulting in the sand being difficult to be heated during drying;

[0013] 2. In the utility model, the motor 1 is operated, and then the rotating block, the connecting block and the spring cooperate with each other to achieve the effect of screening the sand, thereby solving the problem that the dried sand needs to be screened out to find the sand with qualified particle size before it can be used. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] 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 or the description of the prior art 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.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of a drying box of the utility model.

[0017] Figure 3 This is a schematic diagram of the structure of the screening component of the utility model.

[0018] Figure 4 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0019] Figure 5 For this utility model Figure 3 Enlarged structural diagram at B in the middle.

[0020] In the figure: 1. bottom plate; 11. mounting frame; 12. side plate; 13. hot air blower; 14. vertical plate; 15. support plate; 16. motor 1; 17. inner groove; 18. clamping plate; 19. rotating block; 110. spring; 111. connecting column; 2. drying component; 21. drying box; 22. motor 2; 23. feeding pipe; 24. connecting shaft; 25. top plate; 26. rotating shaft; 27. air duct; 28. auxiliary scraper; 3. screening component; 31. screening box; 32. cover plate; 33. collecting box 1; 35. limiting frame 1; 37. limiting frame 2; 38. rotating plate; 4. bending column; 41. bending frame; 42. collecting box 2. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example: Figure 1-5 As shown, the utility model provides a technical solution: an automatic sand dryer, comprising a base plate 1, a mounting frame 11 is fixedly connected to the top of the base plate 1 near one side, a drying component 2 is fixedly connected to the top of the mounting frame 11 near one side, a side plate 12 is fixedly connected to the side end of the mounting frame 11 near the top, a vertical plate 14 is fixedly connected to the top of the base plate 1 near the mounting frame 11, a bent column 4 is fixedly connected to the top of the base plate 1 near the vertical plate 14, and a screening component 3 is rotatably connected to the outer ring of the top of the bent column 4.

[0023] The drying assembly 2 includes a drying box 21, and the outer ring of the drying box 21 is fixedly connected to the mounting frame 11, a motor 22 is fixedly connected to the top center of the drying box 21, a valve is fixedly connected to the bottom near the center of the drying box 21, and a feed pipe 23 is fixedly connected to the outer ring of the drying box 21 and near the top.

[0024] By adopting the above technical solution, the dried sand can flow into the lower screening box 31 through the valve.

[0025] A connecting shaft 24 is rotatably connected at the center of the top of the drying box 21 , an output end of the second motor 22 passes through the drying box 21 and is fixedly connected to the connecting shaft 24 , and a top plate 25 is fixedly connected to the bottom end of the connecting shaft 24 .

[0026] By adopting the above technical solution, the second motor 22 is operated, so that the connecting shaft 24 fixedly connected thereto drives the top plate 25 to rotate.

[0027] The bottom end of the top plate 25 is symmetrically fixedly connected to the rotating shaft 26 near both sides, and the outer ring of the rotating shaft 26 is fixedly connected to multiple stirring blades. The outer ring of the rotating shaft 26 and near the bottom is fixedly connected to an auxiliary scraper 28, and the bottom end of the auxiliary scraper 28 contacts the inner wall of the bottom end of the drying box 21.

[0028] By adopting the above technical solution, the top plate 25 rotates to make the two rotating shafts 26 at the bottom drive the stirring blades to rotate, wherein the auxiliary scraper 28 is provided to help the sand flow into the screening box 31 below through the valve.

[0029] An air duct 27 is fixedly connected to the outer circle of the drying box 21 and close to the side plate 12 . An end of the side plate 12 close to the air duct 27 is fixedly connected to the hot air blower 13 . One end of the air duct 27 is fixedly connected to the hot air blower 13 .

[0030] By adopting the above technical solution and operating the hot air blower 13 , the hot air can be transported to the drying box 21 through the air duct 27 .

[0031] An inner groove 17 is opened inside the vertical plate 14 near the top, a support plate 15 is fixedly connected to the end of the vertical plate 14 away from the bending column 4 and near the inner groove 17, a motor 16 is fixedly connected to the top of the support plate 15, a clamping plate 18 is fixedly connected to the side end of the vertical plate 14 and near the support plate 15, springs 110 are symmetrically fixedly connected to the bottom end of the inner groove 17 near the center, and a connecting column 111 is fixedly connected between the tops of the two springs 110.

[0032] By adopting the above technical solution, in which the clamping plate 18 is elliptical, a shaking effect can be achieved under the action of the clamping plate 18, the connecting column 111 and the spring 110.

[0033] The screening assembly 3 includes a screening box 31, one end of the screening box 31 close to the connecting column 111 is fixedly connected to a limiting frame 1 35, one end of the connecting column 111 close to the screening box 31 is fixedly connected to a limiting frame 2 37, and a rotating plate 38 is rotatably connected between the limiting frame 2 37 and the limiting frame 1 35, one end of the screening box 31 away from the connecting column 111 and close to the bottom is rotatably connected to a cover plate 32, one end of the clamping plate 18 close to the screening box 31 and located at the center is rotatably connected to a rotating block 19, and the rotating block 19 cooperates with the connecting column 111, and the output end of the motor 16 passes through the clamping plate 18 and is fixedly connected to the rotating block 19.

[0034] By adopting the above technical solution, the motor 16 is operated, so that the fixedly connected rotating block 19 rotates.

[0035] A bent frame 41 is fixedly connected to the top of the bottom plate 1 near the bent column 4 , a collecting box 2 42 is fixedly connected to the top of the bent frame 41 , and a collecting box 1 33 is contacted at the top of the bottom plate 1 and located below the screening box 31 .

[0036] By adopting the above technical solution, unqualified sand can slide into the collection box 2 42 through the cover plate 32, and qualified sand can fall into the collection box 1 33.

[0037] Working principle: When the device is in use, first, the sand flows into the drying box 21 through the feed pipe 23, and then the motor 22 and the hot air blower 13 are operated, so that the fixedly connected top plate 25 drives the two rotating shafts 26 to rotate, so that the sand in the drying box 21 can be rotated and stirred. At the same time, the hot air generated by the hot air blower 13 can be sent to the drying box 21 through the air duct 27, so as to achieve the effect of fully drying the sand, and the two auxiliary scrapers 28 provided can help the sand to flow into the screening box 31 below through the valve, thereby solving the problem that the sand has a high humidity before drying and is easy to stick together, resulting in the sand being difficult to be heated during drying.

[0038] Subsequently, the dried sand can flow into the screening box 31 below through the valve, and then the motor 16 is operated to rotate the fixedly connected rotating block 19, and then the sand in the screening box 31 is shaken back and forth under the action of the connecting column 111, the two springs 110 and the bent column 4, so as to achieve the effect of sand screening, wherein the qualified sand can be directly dropped into the collecting box 33, thereby solving the problem that the dried sand needs to be screened out to obtain the sand with the qualified particle size before it can be used.

[0039] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An automatic sand drying machine, comprising a bottom plate (1), characterized in that: A mounting frame (11) is fixedly connected to the top of the bottom plate (1) near one side, a drying assembly (2) is fixedly connected to the top of the mounting frame (11) near one side, a side plate (12) is fixedly connected to the side end of the mounting frame (11) near the top, a vertical plate (14) is fixedly connected to the top of the bottom plate (1) near the mounting frame (11), a bent column (4) is fixedly connected to the top of the bottom plate (1) near the vertical plate (14), and a screening assembly (3) is rotatably connected to the outer ring of the top of the bent column (4).

2. The automatic sand drying machine according to claim 1, characterized in that: The drying assembly (2) comprises a drying box (21), and the outer ring of the drying box (21) is fixedly connected to the mounting frame (11), a motor 2 (22) is fixedly connected to the center of the top of the drying box (21), a valve is fixedly connected to the bottom of the drying box (21) near the center, and a feed pipe (23) is fixedly connected to the outer ring of the drying box (21) near the top.

3. The automatic sand drying machine according to claim 2, characterized in that: A connecting shaft (24) is rotatably connected at the center of the top end of the drying box (21), an output end of the second motor (22) passes through the drying box (21) and is fixedly connected to the connecting shaft (24), and a top plate (25) is fixedly connected to the bottom end of the connecting shaft (24).

4. The automatic sand drying machine according to claim 3, characterized in that: The bottom end of the top plate (25) is symmetrically fixedly connected to the rotating shaft (26) near both sides, and the outer ring of the rotating shaft (26) is fixedly connected to a plurality of stirring blades. The outer ring of the rotating shaft (26) is fixedly connected to an auxiliary scraper (28) near the bottom, and the bottom end of the auxiliary scraper (28) contacts the inner wall of the bottom end of the drying box (21).

5. The automatic sand drying machine according to claim 2, characterized in that: An air duct (27) is fixedly connected to the outer ring of the drying box (21) near the side plate (12); one end of the side plate (12) near the air duct (27) is fixedly connected to a hot air blower (13); and one end of the air duct (27) is fixedly connected to the hot air blower (13).

6. The automatic sand drying machine according to claim 1, characterized in that: An inner groove (17) is provided inside the vertical plate (14) near the top end; a support plate (15) is fixedly connected to one end of the vertical plate (14) away from the bent column (4) and near the inner groove (17); a motor (16) is fixedly connected to the top end of the support plate (15); a clamping plate (18) is fixedly connected to the side end of the vertical plate (14) and near the support plate (15); springs (110) are symmetrically fixedly connected to the bottom end of the inner groove (17) near the center; a connecting column (111) is fixedly connected between the top ends of the two springs (110).

7. The automatic sand drying machine according to claim 6, characterized in that: The screening assembly (3) comprises a screening box (31), one end of the screening box (31) close to the connecting column (111) is fixedly connected to a limiting frame 1 (35), one end of the connecting column (111) close to the screening box (31) is fixedly connected to a limiting frame 2 (37), and a rotating plate (38) is rotatably connected between the limiting frame 2 (37) and the limiting frame 1 (35), one end of the screening box (31) away from the connecting column (111) and close to the bottom is rotatably connected to a cover plate (32), one end of the clamping plate (18) close to the screening box (31) and located at the center is rotatably connected to a rotating block (19), and the rotating block (19) cooperates with the connecting column (111), and the output end of the motor 1 (16) passes through the clamping plate (18) and is fixedly connected to the rotating block (19).

8. The automatic sand drying machine according to claim 7, characterized in that: A bent frame (41) is fixedly connected to the top of the bottom plate (1) near the bent column (4), a second collecting box (42) is fixedly connected to the top of the bent frame (41), and a first collecting box (33) is contacted to the top of the bottom plate (1) and located below the screening box (31).

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