Sand screening machine facilitating discharging

Abstract

The sand screening machine comprises a box body, a sand inlet pipe, a sand screening net and a collecting box, a servo motor is fixedly installed at the upper right corner of the box body, a rotating rod is fixedly installed at the output end of the servo motor, a connecting rod is fixedly installed on the outer side of the rotating rod, a cleaning rod is fixedly installed at one end of the connecting rod, and a sand outlet pipe is fixedly installed at the other end of the cleaning rod. A sand baffle is arranged at the lower left end of the cleaning rod, an impurity outlet is formed in the upper left corner of the box body, a concave block is fixedly installed on the left side of the box body, an insertion block is inserted into the concave block, an impurity box is fixedly installed on the outer side of the insertion block, and an opening and closing door is rotationally connected to the front face of the box body. According to the sand screening device, the servo motor, the rotating rod, the connecting rod and the cleaning rod are used in cooperation, so that the cleaning rod is attached to the sand screening net to rotate, the cleaning rod can rub sand materials attached to the sand screening net, the sand materials attached to the sand screening net are separated, it is guaranteed that the sand screening net can be normally used, and the sand screening efficiency of the sand screening net is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of sand screening in construction engineering, in particular to a sand screening machine which is convenient for discharging materials. Background Art

[0002] A construction project refers to an engineering entity formed by the construction of various types of buildings and their ancillary facilities and the installation of supporting lines, pipelines, and equipment. In the process of construction, a sand screening machine is needed, which can screen sand of different particle sizes, thereby removing the particle size that does not meet the construction requirements.

[0003] The Chinese patent publication number is: CN211100005U discloses a sand screening device for construction engineering. The application states: "The sand screening equipment for construction engineering is a device for screening the coarseness and fineness of sand. After a long period of development, the existing sand screening equipment has developed from manual to semi-automatic mode, which greatly improves the screening efficiency of the device. However, the existing sand screening equipment is only a vertical net, which needs to be screened repeatedly, and the screening efficiency is not high. When the sand is screened, the remaining stones or large particles are difficult to clean, thereby increasing the workload of the staff." Although the application solves this problem, it has the following defects:

[0004] The above-mentioned prior art solutions have the following defects: although the above-mentioned patent solves the problem that stones or large particles in the sand are difficult to clean, when screening some sand containing water, the sand is easy to adhere to the inner wall of the screen, which makes the screen unable to be used normally and reduces its sand screening efficiency. Therefore, we propose a new type of sand screening machine that is easy to discharge. Utility Model Content

[0005] The utility model provides a sand screening machine which is convenient for discharging materials, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A sand screening machine which is convenient for discharging materials comprises a box body, a sand inlet pipe is fixedly installed on the top of the box body, a sand screening net is fixedly installed on the inner wall of the box body, a collecting box is arranged directly below the sand screening net, a servo motor is fixedly installed on the upper right corner of the box body, a rotating rod is fixedly installed on the output end of the servo motor, a connecting rod is fixedly installed on the outer side of the rotating rod, a cleaning rod is fixedly installed on one end of the connecting rod, a sand retaining plate is arranged on the lower left end of the cleaning rod, an impurity outlet is opened in the upper left corner of the box body, a concave block is fixedly installed on the left side of the box body, an insert block is inserted in the interior of the concave block, an impurity box is fixedly installed on the outer side of the insert block, a switch door is rotatably connected to the front side of the box body, and universal wheels are fixedly installed at the four corners of the bottom of the box body.

[0008] As a further improvement of the present technical solution: the sand screening net is overall semicircular in shape.

[0009] As a further improvement of the technical solution: the rotating rod is located at the center of the sand screening net, wherein the cleaning rod is in contact with the sand screening net.

[0010] As a further improvement of the technical solution: the sand baffle is located on the right side of the impurity outlet.

[0011] As a further improvement of the technical solution: a brake pad is arranged on the outer side of the universal wheel.

[0012] As a further improvement of the technical solution: handles are fixedly installed on the front of the switch door and the top of the sand guard plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The servo motor, rotating rod, connecting rod and cleaning rod are used together, so that the cleaning rod fits on the sand screening net and rotates. The cleaning rod will scratch the sand attached to the sand screening net, so that the sand attached to the sand screening net will be detached, ensuring that the sand screening net can be used normally and its sand screening efficiency.

[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the collection box of the utility model;

[0019] Figure 3 It is a schematic diagram of the connecting rod structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the sand screening net of the utility model.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Box body; 2. Sand inlet pipe; 3. Sand screening net; 4. Collecting box; 5. Servo motor; 6. Rotating rod; 7. Connecting rod; 8. Cleaning rod; 9. Sand baffle; 10. Impurity outlet; 11. Concave block; 12. Insert block; 13. Impurity box; 14. Open and close door; 15. Universal wheel. DETAILED DESCRIPTION

[0023] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0024] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] See also Figures 1 to 4 In the embodiment of the utility model, a sand screening machine which is convenient for discharging includes a box body 1, a sand inlet pipe 2 is fixedly installed on the top of the box body 1, a sand screening net 3 is fixedly installed on the inner wall of the box body 1, a collecting box 4 is arranged directly below the sand screening net 3, a servo motor 5 is fixedly installed on the upper right corner of the box body 1, a rotating rod 6 is fixedly installed on the output end of the servo motor 5, a connecting rod 7 is fixedly installed on the outer side of the rotating rod 6, a cleaning rod 8 is fixedly installed on one end of the connecting rod 7, a sand retaining plate 9 is arranged on the lower left end of the cleaning rod 8, an impurity outlet 10 is opened in the upper left corner of the box body 1, a concave block 11 is fixedly installed on the left side of the box body 1, an insert block 12 is inserted in the inside of the concave block 11, an impurity box 13 is fixedly installed on the outer side of the insert block 12, a switch door 14 is rotatably connected to the front of the box body 1, and universal wheels 15 are fixedly installed at the four corners of the bottom of the box body 1.

[0027] See also Figure 1-4 The sand screening net 3 is in a semicircular shape as a whole. The semicircular shape of the sand screening net 3 can facilitate the use of the cleaning rod 8 to scrape and clean the inner side thereof, thereby preventing the sand material with water from adhering to the sand screening net 3.

[0028] See also Figure 1-4 The rotating rod 6 is located at the center of the sand screening net 3, wherein the cleaning rod 8 is in contact with the sand screening net 3. By locating the rotating rod 6 at the center of the sand screening net 3, the cleaning rod 8 driven by the rotating rod 6 to rotate around the inner side of the sand screening net 3 to clean it.

[0029] See also Figure 1-3 The sand retaining plate 9 is located on the right side of the impurity outlet 10. The sand retaining plate 9 can control the on-off of the impurity outlet 10, so as to facilitate the control of the discharge of stones and large particles.

[0030] See also Figure 1-2 A brake pad is arranged on the outer side of the universal wheel 15, and the brake pad can be used to brake the sand screening machine in time.

[0031] See also Figure 1-3 The front of the switch door 14 and the top of the sand guard plate 9 are both fixedly mounted with handles, which can be used as force points to facilitate rapid opening of the switch door 14 and the sand guard plate 9.

[0032] The working principle of the utility model is as follows: when using the sand screening machine, the sand is directly poured into the box 1 from the sand inlet pipe 2, the sand is screened through the sand screening net 3, qualified sand falls into the collection box 4, unqualified stones and large particles slide to the oblique lower end of the sand screening net 3, when it is necessary to deal with unqualified stones and large particles, the sand retaining plate 9 is directly lifted out of the box 1, so that the impurity outlet 10 is opened, and the stones and large particles slide into the impurity box 13 for collection under the action of gravitational potential energy, and when the impurities in the impurity box 13 are full, the impurity box 1 is lifted upward. 3, so that the plug block 12 is separated from the recessed block 1, and the impurity box 13 can be removed to deal with stones and large particles. When there is water in the sand and it is attached to the sand screening net 3, the servo motor 5 is started, and the servo motor 5 drives the rotating rod 6 to rotate, and the rotating rod 6 drives the connecting rod 7 and the cleaning rod 8 to rotate. The cleaning rod 8 will fit on the sand screening net 3 and rotate, and the cleaning rod 8 will scratch the sand attached to the sand screening net 3, so that the sand attached to the sand screening net 3 is separated. As above, qualified sand will fall into the collecting box 4, and unqualified stones and large particles will slide to the oblique lower end of the sand screening net 3.

[0033] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A sand screening machine that is easy to discharge, characterized in that: The invention comprises a box (1), a sand inlet pipe (2) is fixedly mounted on the top of the box (1), a sand screening net (3) is fixedly mounted on the inner wall of the box (1), a collecting box (4) is arranged directly below the sand screening net (3), a servo motor (5) is fixedly mounted on the upper right corner of the box (1), a rotating rod (6) is fixedly mounted on the output end of the servo motor (5), a connecting rod (7) is fixedly mounted on the outer side of the rotating rod (6), and a cleaning rod is fixedly mounted on one end of the connecting rod (7). (8), a sand retaining plate (9) is arranged at the lower left end of the cleaning rod (8), an impurity outlet (10) is opened at the upper left corner of the box body (1), a recessed block (11) is fixedly installed on the left side of the box body (1), an inserting block (12) is inserted into the interior of the recessed block (11), an impurity box (13) is fixedly installed on the outer side of the inserting block (12), a switch door (14) is rotatably connected to the front of the box body (1), and universal wheels (15) are fixedly installed at the four corners of the bottom of the box body (1).

2. A sand screening machine for easy discharging according to claim 1, characterized in that: The sand screening net (3) is in a semicircular shape as a whole.

3. A sand screening machine for easy discharging according to claim 1, characterized in that: The rotating rod (6) is located at the center of the sand screening net (3), wherein the cleaning rod (8) is in contact with the sand screening net (3).

4. A sand screening machine for easy discharging according to claim 1, characterized in that: The sand baffle (9) is located on the right side of the impurity outlet (10).

5. The sand screening machine for easy discharging according to claim 1, characterized in that: A brake pad is arranged on the outer side of the universal wheel (15).

6. A sand screening machine for easy discharging according to claim 1, characterized in that: Handles are fixedly mounted on the front of the switch door (14) and the top of the sand shield (9).

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