Assembly type gravel drying device for building

Abstract

The utility model relates to the technical field of building construction material processing, in particular to an assembly type building gravel drying device which comprises a feeding box, an outer drying cylinder is rotationally arranged at the right end of the feeding box, a center drying cylinder is fixedly arranged in the center of the interior of the outer drying cylinder, and an interlayer drying cylinder is arranged outside the center drying cylinder in a sleeving mode. The right end of the interlayer drying cylinder is closed, the inner diameter of the left end of the outer drying cylinder is smaller than that of the right end of the outer drying cylinder, the right end of the outer drying cylinder is fixedly welded and communicated with a discharging expansion cylinder, and a discharging box is rotationally arranged at the right end of the discharging expansion cylinder. According to the assembly type gravel drying device for the building, the appearance of each barrel is changed into a circular truncated cone shape with an inclination angle from a cylindrical shape, and the outlet butt joint position is changed into an expanded barrel with a larger inner diameter, so that the flowing speed of dried gravel is remarkably increased, and the situation that the flowing speed and the discharging speed of the gravel are low after the gravel is dried is improved; and therefore, the drying efficiency is insufficient, and the condition that the gravels are accumulated in the cylinder body can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction material processing technical field, concretely is a kind of sandstone drying device for fabricated building. BACKGROUND

[0002] Sandstone is important material for producing concrete, its water content determines its performance and storage time, so before storage or use, it needs equipment to concentrate sandstone drying, to ensure its dryness, to ensure the density and hardness of sandstone.

[0003] Among the existing sandstone drying equipment, the use frequency of three-cylinder dryer is higher, which can make sandstone flow in the three cylinder bodies stacked in layers, while continuously injecting hot air, increasing the drying time and the contact area with hot air. However, the existing three-cylinder dryer is basically cylindrical, and most of them are laid flat, relying only on the spiral blades on the inner wall of the cylinder to push the sandstone to flow, which results in a slow flow speed of the sandstone. In the case of drying, it cannot be discharged in time, and it is easy to cause the accumulation of sandstone in the cylinder, which indirectly affects the drying efficiency of sandstone.

[0004] In order to solve the above problems, we have made improvements and proposed a sandstone drying device for fabricated building. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of sandstone drying device for fabricated building, including feeding bin, the right end of feeding bin is rotatably provided with outer drying cylinder, the inside center of outer drying cylinder is fixedly provided with center drying cylinder, the right end inner diameter of center drying cylinder is greater than the inner diameter of left end, center drying cylinder is externally provided with sandwich drying cylinder, the right end of sandwich drying cylinder is closed, and the inner diameter of the right end is less than the inner diameter of the left end, the inner diameter of the left end of outer drying cylinder is less than the inner diameter of the right end, the right end of outer drying cylinder is fixedly welded and communicated with discharge expansion cylinder, the inner diameter of discharge expansion cylinder is greater than the inner diameter of the right end of outer drying cylinder, and the right end of discharge expansion cylinder is rotatably provided with discharge bin.

[0007] As a preferred technical scheme of the utility model, the top of the feeding bin is fixedly and communicatively welded with a feeding hopper, the left side top of the feeding bin is fixedly and communicatively provided with a hot air duct, and the right side of the feeding bin is fixedly installed with a first sealing bearing by bolts, the left side of the butt joint is fixedly and communicatively welded with the right side of the first sealing bearing.

[0008] As a preferred technical scheme of the utility model, the right side middle part of the feeding box is fixedly connected with a feeding groove, the feeding groove passes through the first sealing bearing and extends into the inside of the butt joint, and the right end of the butt joint is butted with the left end of the center drying cylinder.

[0009] As a preferred technical scheme of the utility model, the right side middle part of the feeding box is fixedly connected with a feeding groove, the feeding groove passes through the first sealing bearing and extends into the inside of the butt joint, and the right end of the butt joint is butted with the left end of the center drying cylinder.

[0010] As a preferred technical scheme of the utility model, the right side middle part of the feeding box is fixedly connected with a feeding groove, the feeding groove passes through the first sealing bearing and extends into the inside of the butt joint, and the right end of the butt joint is butted with the left end of the center drying cylinder.

[0011] As a preferred technical scheme of the utility model, the right side middle part of the feeding box is fixedly connected with a feeding groove, the feeding groove passes through the first sealing bearing and extends into the inside of the butt joint, and the right end of the butt joint is butted with the left end of the center drying cylinder.

[0012] As a preferred technical scheme of the utility model, the right side middle part of the feeding box is fixedly connected with a feeding groove, the feeding groove passes through the first sealing bearing and extends into the inside of the butt joint, and the right end of the butt joint is butted with the left end of the center drying cylinder.

[0013] The sandstone drying device for assembled building has the advantages that: on the basis of the existing three-cylinder sandstone dryer, the shapes of the cylinders are changed from the cylindrical shape to the circular truncated cone shape with an inclined angle, and the outlet butt joint position is changed to the expanded cylinder with a larger inner diameter, so that the flow speed of the dried sandstone is significantly improved, the situation that the sandstone is dried but the flow speed and discharge speed are slow is avoided, the drying efficiency is improved, and the accumulation of the sandstone in the cylinder is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.

[0015] Fig. 1 This is a structural diagram of an assembled sand and gravel drying device for construction in the utility model;

[0016] Fig. 2 This is a schematic diagram of the left side structure of the outer drying drum of an assembled sand and gravel drying device for construction in the utility model;

[0017] Fig. 3 This is a partial cross-sectional structural diagram of an assembled sand and gravel drying device for construction of the utility model;

[0018] In the figure: 1. Feed box; 2. First sealed bearing; 3. Feed chute; 4. Outer drying cylinder; 5. Docking port; 6. Auxiliary support ring; 7. Gear ring; 8. Base; 9. Transmission gear; 10. Auxiliary support wheel; 11. Center drying cylinder; 12. Interlayer drying cylinder; 13. Lifting plate; 14. Discharge expansion cylinder; 15. Second sealed bearing; 16. Discharge box. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.

[0020] Example: Figs. 1-3 As shown, an assembled sand and gravel drying device for construction includes a feeding box 1, an outer drying cylinder 4 is rotatably provided at the right end of the feeding box 1, a central drying cylinder 11 is fixedly provided at the inner center of the outer drying cylinder 4, the inner diameter of the right end of the central drying cylinder 11 is larger than the inner diameter of the left end, an interlayer drying cylinder 12 is sleeved on the outside of the central drying cylinder 11, the right end of the interlayer drying cylinder 12 is closed, the inner diameter of the right end is smaller than the inner diameter of the left end, the inner diameter of the left end of the outer drying cylinder 4 is smaller than the inner diameter of the right end, the right end of the outer drying cylinder 4 is fixedly welded with a discharge expansion cylinder 14, the inner diameter of the discharge expansion cylinder 14 is larger than the inner diameter of the right end of the outer drying cylinder 4, and the right end of the discharge expansion cylinder 14 is rotatably provided with a discharge box 16.

[0021] A feeding hopper is fixedly connected and welded on the top of the feeding box 1, a hot air duct is fixedly connected and installed on the top of the left side of the feeding box 1, a first sealed bearing 2 is fixedly installed on the right side of the feeding box 1 by bolts, and a docking port 5 is fixedly connected and welded on the left side of the outer drying cylinder 4. The left side of the docking port 5 is fixedly connected to the right side of the first sealed bearing 2 by bolts.

[0022] A feeding chute 3 is fixedly connected and welded to the middle of the right side of the feeding box 1. The feeding chute 3 passes through the first sealed bearing 2 and extends into the interior of the docking port 5. The right end of the docking port 5 is docked with the left end of the central drying cylinder 11.

[0023] The left and right ends of the outer wall of the outer drying cylinder 4 are fixedly welded with auxiliary supporting rings 6, the middle part of the outer wall of the outer drying cylinder 4 is fixedly welded with a tooth ring 7, and the lower part of the outer drying cylinder 4 is provided with a base 8, the center and four corner positions of the top surface of the base 8 are fixedly installed with wheel seats through bolts, and the wheel seat in the center is rotatably installed with a transmission gear 9.

[0024] The outer side of the wheel seat in the center of the top surface of the base 8 is fixedly installed with a motor through bolts, the rotating shaft of the transmission gear 9 is coaxially fixedly connected with the rotating shaft of the motor, the wheel seats in the four corner positions of the top surface of the base 8 are rotatably installed with auxiliary supporting wheels 10, the top of the transmission gear 9 is engaged with the tooth ring 7, and the top of each auxiliary supporting wheel 10 is in contact with the auxiliary supporting ring 6.

[0025] The right end of the inner wall of the outer drying cylinder 4 is circumferentially welded with first connecting rods at equal intervals, the other end of the first connecting rod is fixedly welded with the right end of the outer wall of the sandwich drying cylinder 12, and the left end of the outer wall of the center drying cylinder 11 is circumferentially welded with second connecting rods at equal intervals, and the other end of the second connecting rod is fixedly welded with the left end of the inner wall of the sandwich drying cylinder 12.

[0026] The inner walls of the outer drying cylinder 4, the sandwich drying cylinder 12 and the center drying cylinder 11 are fixedly welded with material lifting plates 13 at equal intervals, the outer wall of the material discharging expansion cylinder 14 is fixedly installed with a second sealing bearing 15, the top right end of the second sealing bearing 15 is fixedly connected with the left end of the inner wall of the material discharging box 16 through bolts, the top of the material discharging box 16 is fixedly provided with an exhaust pipe, and the bottom of the material discharging box 16 is fixedly provided with a material discharging port.

[0027] Working principle: when the assembled sand drying device for building is used, sand and gravel are poured into the sand and gravel from the pouring hopper of the feeding box 1, the hot air pipe is connected with the hot air conveying pipeline, the hot air is continuously conveyed, the hot air enters the center drying cylinder 11 along with the sand and gravel from the feeding groove 3, the motor is started to drive the transmission gear 9 to rotate, the outer drying cylinder 4 is driven to rotate through the meshing tooth ring 7 under the cooperation of the auxiliary supporting wheel 10, the drying principle is similar to that of the three-cylinder sand drying machine, the difference is that the center drying cylinder 11, the sandwich drying cylinder 12 and the outer drying cylinder 4 are designed to be inclined at a small angle, so that the sand and gravel can be smoothly flowed while being turned and dried by the material lifting plate 13, and finally the sand and gravel after drying will also flow into the material discharging box 16 due to the height difference between the material discharging expansion cylinder 14 and the outer drying cylinder 4.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A sand and gravel drying device for assembled construction, comprising a feeding box (1), characterized in that: The right end of the feeding box (1) is rotatably provided with an outer drying cylinder (4), and the inner center of the outer drying cylinder (4) is fixedly provided with a central drying cylinder (11), the inner diameter of the right end of the central drying cylinder (11) is larger than the inner diameter of the left end, and the outer side of the central drying cylinder (11) is provided with an interlayer drying cylinder (12), the right end of the interlayer drying cylinder (12) is closed, and the inner diameter of the right end is smaller than the inner diameter of the left end, the inner diameter of the left end of the outer drying cylinder (4) is smaller than the inner diameter of the right end, and the right end of the outer drying cylinder (4) is fixedly welded and connected with a discharge expansion cylinder (14), the inner diameter of the discharge expansion cylinder (14) is larger than the inner diameter of the right end of the outer drying cylinder (4), and the right end of the discharge expansion cylinder (14) is rotatably provided with a discharge box (16).

2. The sand and gravel drying device for assembled buildings according to claim 1, characterized in that: A feeding hopper is fixedly connected and welded on the top of the feeding box (1), a hot air duct is fixedly connected and arranged on the top of the left side of the feeding box (1), a first sealing bearing (2) is fixedly installed on the right side of the feeding box (1) by means of bolts, and a docking port (5) is fixedly connected and welded on the left side of the outer drying cylinder (4), and the left side of the docking port (5) is fixedly connected to the right side of the first sealing bearing (2) by means of bolts.

3. The sand and gravel drying device for assembled buildings according to claim 2, characterized in that: A feeding trough (3) is fixedly connected and welded to the middle of the right side of the feeding box (1), and the feeding trough (3) passes through the first sealed bearing (2) and extends into the interior of the docking port (5), and the right end of the docking port (5) is docked with the left end of the central drying cylinder (11).

4. The sand and gravel drying device for assembled buildings according to claim 3, characterized in that: Auxiliary support rings (6) are fixedly welded at the left and right ends of the outer wall of the outer drying cylinder (4), a gear ring (7) is fixedly welded at the middle of the outer wall of the outer drying cylinder (4), a base (8) is provided below the outer drying cylinder (4), and wheel seats are fixedly installed at the center and four corners of the top surface of the base (8) by bolts, and a transmission gear (9) is rotatably installed in the center wheel seat.

5. The sand and gravel drying device for assembled buildings according to claim 4, characterized in that: A motor is installed on the outside of the wheel seat at the center of the top surface of the base (8) by bolts, and the rotating shaft of the transmission gear (9) is coaxially fixedly connected with the rotating shaft of the motor. Auxiliary supporting wheels (10) are rotatably installed in the wheel seats at the four corner positions of the top surface of the base (8), the top of the transmission gear (9) is engaged with the gear ring (7), and the top of each auxiliary supporting wheel (10) is in contact with the auxiliary supporting ring (6).

6. The sand and gravel drying device for assembled buildings according to claim 1, characterized in that: A first connecting rod is welded around the right end of the inner wall of the outer drying cylinder (4) at equal intervals, and the other end of the first connecting rod is fixedly welded to the right end of the outer wall of the interlayer drying cylinder (12). A second connecting rod is welded around the left end of the outer wall of the central drying cylinder (11) at equal intervals, and the other end of the second connecting rod is fixedly welded to the left end of the inner wall of the interlayer drying cylinder (12).

7. The sand and gravel drying device for assembled buildings according to claim 1, characterized in that: The inner walls of the outer drying cylinder (4), the interlayer drying cylinder (12) and the central drying cylinder (11) are fixedly welded with lifting plates (13) at equal intervals, the outer wall of the discharge expansion cylinder (14) is fixedly installed with a second sealed bearing (15), the right end of the top surface of the second sealed bearing (15) is fixedly connected to the left end of the inner wall of the discharge box (16) by bolts, the top of the discharge box (16) is fixedly provided with an exhaust pipe, and the bottom of the discharge box (16) is fixedly provided with a discharge port.

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