Building aggregate multi-stage screening equipment

Abstract

The utility model discloses building aggregate multistage screening equipment which comprises a screening box, the screening box comprises a storage cavity, a screening cavity and a discharging port, the storage cavity and the screening cavity are arranged up and down, the discharging port is communicated with the storage cavity and the screening cavity, a mounting shaft is rotationally arranged in the discharging port, and a feeding disc is detachably mounted on the mounting shaft; the feeding disc comprises a shaft sleeve and partition plates, the partition plates are arranged at intervals in the circumferential direction of the shaft sleeve, a plurality of positioning blocks are arranged on the mounting shaft at intervals in the circumferential direction, a plurality of positioning grooves are formed in the corresponding positions of the shaft sleeve, and the positioning blocks are in sliding fit with the positioning grooves. According to the utility model, materials can be fed into the screening cavity in batches through the feeding disc rotationally arranged in the discharging opening, so that on one hand, the materials are dispersed, and the situation that a large number of materials flow into the screening cavity at a time to cause structural overload or blockage in the screening cavity is prevented; and on the other hand, by adjusting the rotating speed of the feeding disc, the amount of materials entering the screening cavity per unit time can be controlled, the screening process is more stable, and the screening efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to building aggregate technical field especially relates to building aggregate multistage screening equipment. BACKGROUND

[0002] Building aggregate is granular loose material that plays the role of framework or filling in concrete, and aggregate as the main raw material in concrete plays the role of framework and support in building, and there are two kinds of fine aggregate and coarse aggregate, in order to ensure the quality of concrete, screening equipment needs to be used to screen aggregate before using.

[0003] The screening equipment in the prior art is directly concentrated in the feeding port when feeding material, and this feeding mode makes the material concentrated in a certain area into the screening box, and the impact force generated by direct feeding can cause great pressure to the screen, and frequent impact can accelerate the aging and rupture of the screen, and concentrated feeding cannot guarantee stable material input, which can cause the processing capacity of the screening box to fluctuate, thereby affecting the screening effect. UTILITY MODEL CONTENT

[0004] The utility model proposes the following technical scheme in view to the problems in the prior art:

[0005] The utility model provides building aggregate multistage screening equipment, including:

[0006] The screening box includes the storage cavity and the screening cavity arranged above and below, and the feeding port connecting the storage cavity and the screening cavity, and the mounting shaft is rotatably arranged in the feeding port, and the feeding disc is detachably installed on the mounting shaft.

[0007] The feeding disc includes the shaft sleeve and the baffle, and the baffles are circumferentially spaced apart along the shaft sleeve, and the mounting shaft is circumferentially spaced apart and provided with a plurality of positioning blocks, and the shaft sleeve is provided with a plurality of positioning grooves at the corresponding positions, and the positioning blocks and the positioning grooves are slidingly matched.

[0008] As the preferred technical scheme, the push plate is movably arranged in the horizontal direction in the storage cavity, and the push plate can be close to or away from the feeding port.

[0009] As the preferred technical scheme, the electric push rod is further arranged in the storage cavity, and the output end of the electric push rod is connected with the push plate.

[0010] As the preferred technical scheme, the motor is further arranged on the outer wall of the screening box, and the motor is arranged at the position corresponding to the mounting shaft, and the output shaft of the motor is connected with the mounting shaft through the screening box.

[0011] As a preferred embodiment of the above technical solution, the screening chamber is provided with a screen one, a screen two and a collection box arranged in sequence from top to bottom, and both the lower end of the screen one and the screen two are provided with a discharge port.

[0012] The beneficial effects of this utility model are as follows:

[0013] This invention allows materials to be fed into the screening chamber in batches by rotating the feeding disc located in the feeding port. On the one hand, this disperses the materials and prevents a large amount of material from rushing in at once, which could overload or clog the structure in the screening chamber. On the other hand, by adjusting the rotation speed of the feeding disc, the amount of material entering the screening chamber per unit time can be controlled, making the screening process more stable and improving screening efficiency. Attached Figure Description

[0014] Figure 1 The diagram shown is a front view of the screening device in the embodiment.

[0015] Figure 2 What is shown is Figure 1 Enlarged schematic diagram of the structure at point A;

[0016] Figure 3 The diagram shown is a schematic of the feeding tray in the embodiment;

[0017] Figure 4 The diagram shown is a schematic representation of the mounting shaft in an embodiment;

[0018] Figure 5 The diagram shown is a schematic representation of the rear side of the screening device in the embodiment;

[0019] Reference numerals: 10. Screening box; 11. Screening chamber; 12. Screen one; 13. Screen two; 14. Discharge port; 15. Collection box; 21. Storage chamber; 22. Discharge port; 23. Push plate; 24. Electric push rod; 30. Feeding tray; 31. Bushing; 311. Positioning groove; 32. Partition plate; 33. Mounting shaft; 331. Positioning block; 34. Motor. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0021] Example

[0022] like Figure 1 , Figure 2 As shown, Figure 1 The diagram shown is a front view of the screening device in the embodiment. Figure 2 What is shown is Figure 1 Enlarged schematic diagram of the structure at point A;

[0023] The device comprises:

[0024] The screening box 10 comprises an upper and lower storage cavity 21 and a screening cavity 11, and a discharge port 22 communicating the storage cavity 21 and the screening cavity 11, and a mounting shaft 33 is rotatably arranged in the discharge port 22, and a feeding disc 30 is detachably mounted on the mounting shaft 33, and the material in the storage cavity 21 is continuously batched into the screening cavity 11 by the feeding disc 30 after entering the discharge port 22.

[0025] The front side of the screening box 10 is provided with a box door, the storage cavity 21 temporarily stores the material to be screened, and the top of the storage cavity 21 is provided with an opening for injecting the material; the material in the storage cavity 21 enters the screening cavity 11 from the discharge port 22 and is screened in the screening cavity 11; the mounting shaft 33 plays a mounting role for the feeding disc 30, and the feeding disc 30 rotates synchronously with the mounting shaft 33.

[0026] By rotating the feeding disc 30 arranged in the discharge port 22, the material can be batched into the screening cavity 11, on the one hand, the material is dispersed to prevent a large amount of material from flowing in at one time, causing the structure in the screening cavity 11 to be overloaded or blocked; on the other hand, by adjusting the rotating speed of the feeding disc 30, the amount of material entering the screening cavity 11 per unit time can be controlled, so that the screening process is more stable and the screening efficiency is improved.

[0027] As shown in Figure 3 , Figure 4 , Figure 3 a schematic view of the feeding disc in the embodiment is shown; Figure 4 a schematic view of the mounting shaft in the embodiment is shown;

[0028] The feeding disc 30 comprises a shaft sleeve 31 and a partition plate 32, a plurality of partition plates 32 are circumferentially spaced apart along the shaft sleeve 31, a plurality of positioning blocks 331 are circumferentially spaced apart on the mounting shaft 33, and a plurality of positioning grooves 311 are arranged at the corresponding positions on the shaft sleeve 31, and the positioning blocks 331 and the positioning grooves 311 are in sliding fit.

[0029] The adjacent partition plates 32 form containing cavities, the material in the discharge port 22 is distributed in each containing cavity, and the material in each containing cavity is sequentially fed into the underlying screening cavity 11 by the rotation of the feeding disc 30, so that the feeding of the material is realized.

[0030] The partition plate 32 is made of wear-resistant material, such as wear-resistant alloy steel, which has high wear resistance and impact resistance, and can effectively resist the impact of the material during the screening process, reduce damage caused by impact, and ensure stable operation of the equipment.

[0031] Through the shaft sleeve 31, the positioning block 331 and the positioning groove 311, the installation of the feeding disc 30 and the installation shaft 33 is realized, and the feeding disc 30 can rotate synchronously with the installation shaft 33.

[0032] As shown in Figure 5 , Figure 5 The figure shows the schematic diagram of the rear side of the screening device in the embodiment.

[0033] The motor 34 is arranged on the outer side wall of the screening box 10 at the position corresponding to the installation shaft 33, and the output shaft of the motor 34 penetrates the screening box 10 and is connected with the installation shaft 33.

[0034] The motor 34 drives the installation shaft 33 and the feeding disc 30 to rotate.

[0035] As shown in Figure 1 , Figure 1 The figure shows the schematic diagram of the front structure of the screening device in the embodiment.

[0036] The push plate 23 is movably arranged in the storage cavity 21 along the horizontal direction, and the push plate 23 can be close to or away from the discharge port 22; the electric push rod 24 is arranged in the storage cavity 21, and the output end of the electric push rod 24 is connected with the push plate 23.

[0037] Through the push plate 23 arranged in the storage cavity 21, the material accumulated in the storage cavity 21 can be pushed to the discharge port 22, so that the automatic filling of the building aggregate is realized.

[0038] The screening cavity 11 is sequentially provided with the screen one 12, the screen two 13 and the aggregate collecting box 15 from top to bottom, and the lower end of each of the screen one 12 and the screen two 13 is provided with the discharge port 14.

[0039] Specifically, the mesh diameter of the screen one 12 is greater than the mesh diameter of the screen two 13, so that the multi-stage screening of the aggregate is realized, the material that cannot pass through the screen one 12 and the screen two 13 is discharged from the corresponding discharge port 14 and collected, and the material that can pass through the screen one 12 and the screen two 13 falls into the aggregate collecting box 15.

[0040] In order to increase the screening intensity, the screening box 10 can be further provided with the vibration structure in the prior art to improve the screening effect.

[0041] The above embodiment is only used to illustrate the technical scheme of the present application, but not to limit it.

Claims

1. A multi-stage screening equipment for building aggregates, characterized in that, include: The screening box (10) includes a storage chamber (21) and a screening chamber (11) arranged at the top and bottom, and a discharge port (22) connecting the storage chamber (21) and the screening chamber (11). An installation shaft (33) is rotatably arranged in the discharge port (22), and a feeding plate (30) is detachably installed on the installation shaft (33). The feeding disc (30) includes a bushing (31) and a partition (32). Multiple partitions (32) are spaced apart circumferentially along the bushing (31). Multiple positioning blocks (331) are spaced apart circumferentially on the mounting shaft (33). Multiple positioning grooves (311) are provided at corresponding positions on the bushing (31). The positioning blocks (331) and positioning grooves (311) slide in cooperation.

2. The multi-stage screening equipment for building aggregates according to claim 1, characterized in that, A pusher plate (23) is movably arranged in the storage cavity (21) along the horizontal direction. The pusher plate (23) can be close to or away from the discharge port (22).

3. The multi-stage screening equipment for building aggregates according to claim 2, characterized in that, An electric push rod (24) is also provided in the storage chamber (21), and the output end of the electric push rod (24) is connected to the push plate (23).

4. The multi-stage screening equipment for building aggregates according to claim 1, characterized in that, A motor (34) is also provided on the outer wall of the screening box (10). The motor (34) is located at the position corresponding to the mounting shaft (33). The output shaft of the motor (34) passes through the screening box (10) and is connected to the mounting shaft (33).

5. The multi-stage screening equipment for building aggregates according to claim 1, characterized in that, The screening chamber (11) is provided with a screen one (12), a screen two (13) and a collection box (15) in sequence at the top and bottom. The lower end of the screen one (12) and the screen two (13) are provided with a discharge port (14).

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