Circulating screening device for quartz sand preparation

Abstract

The utility model discloses a circulation screening device for quartz sand preparation, which comprises a screening box, guide frames are mounted at two ends in the screening box through screws, movable screw rods are connected in the guide frames through threads, movable plates are movably mounted at the bottoms of the movable screw rods, and a threaded conveying cylinder is arranged at one end of the screening box. Compared with the prior art, the quartz sand screening device has the beneficial effects that the problem that the quartz sand screening effect is poor due to the fact that a large amount of quartz sand is accumulated and fed is avoided, and the quartz sand screening efficiency is greatly improved when a worker passes through the needed quartz sand, so that the labor intensity of the worker is reduced, and the labor intensity of the worker is reduced. According to the quartz sand screening device, the position of the moving plate is adjusted, screening of quartz sand is achieved through the vibrating screen plate, large quartz sand enters the threaded conveying barrel through blocking and guiding of the moving plate, the quartz sand is screened again through conveying of the threaded conveying barrel, and then the quartz sand screening effect can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of quartz sand preparation, in particular to a circulation screening device for quartz sand preparation. Background Art

[0002] Quartz sand is quartz particles made by crushing quartz stone. Quartz stone is a non-metallic mineral, a hard, wear-resistant, chemically stable silicate mineral. The color of quartz sand is milky white or colorless and translucent. Quartz sand is an important industrial mineral raw material, non-chemical hazardous goods, widely used in glass, casting, ceramics and fireproof materials, smelting ferrosilicon, metallurgical flux, metallurgy, construction, chemical industry, plastics, rubber, abrasives, filter materials and other industries. In the preparation process of quartz sand, quartz sand is crushed and then screened by a screening device. When the screening device in existing life screens quartz sand, it only screens the quartz sand once. When performing the second screening, it is necessary to manually pour the screened quartz sand into the screening box again to screen the quartz sand, resulting in low screening efficiency and high work intensity of personnel. Utility Model Content

[0003] The utility model provides a circulating screening device for preparing quartz sand, which can effectively solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the utility model provides the following technical solution: a circulating screening device for preparing quartz sand, comprising a screening box, wherein vibration springs are evenly arranged inside the screening box, the tops of several vibration springs are connected through a vibration screen plate, and a vibration motor is arranged at the bottom of the vibration screen plate;

[0005] Guide frames are installed at both ends of the screening box by screws, a movable screw is connected to the inside of the guide frame by threads, a movable plate is movably installed at the bottom of the movable screw, a threaded conveying cylinder is provided at one end of the screening box, a driving motor is fixedly installed on the top of the threaded conveying cylinder, and both ends of the outer side of the threaded conveying cylinder are fixedly connected to discharge cylinders.

[0006] Preferably, a rotating shaft is welded at one end inside the screening box, one end of the vibrating screen plate is movably mounted outside the rotating shaft, a rotating groove is provided at the position of the rotating shaft corresponding to the vibrating screen plate, and the inner diameter of the rotating groove is larger than the outer diameter of the rotating shaft.

[0007] Preferably, a threaded rod is threadedly connected inside one end of the screening box, a mounting plate is movably mounted on the top of the threaded rod, a connecting spring is welded on the top of the mounting plate, and the connecting spring is connected to the bottom of one end of the vibrating screen plate.

[0008] Preferably, the movable plate is slidably connected to the inside of the guide frame.

[0009] Preferably, the guide frame is inclined and is located on the top of the vibrating screen plate.

[0010] Preferably, the rotating shaft inside the threaded conveying cylinder is fixedly connected to a belt connecting mechanism, one end of the bottom of the belt connecting mechanism is fixedly connected to the rotating shaft, the bottom of the rotating shaft is fixedly connected to a bevel gear connecting mechanism, one end of the bevel gear connecting mechanism is fixedly installed with a cam, and one end inside the screening box is rotatably connected to a rotating plate.

[0011] Preferably, the cam and the rotating plate are in contact with each other, and a discharge cylinder is welded through one end of the threaded conveying cylinder.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a scientific and reasonable structure, and is safe and convenient to use: the personnel drive the mounting plate to move by rotating the threaded rod. At this time, the angle of the vibrating screen plate can be adjusted through the connection of the connecting spring, and different quartz sands can be screened according to needs. The flow speed of the quartz sand is adjusted, thereby improving the effect of quartz sand screening. The personnel turn on the driving motor to rotate the spiral conveying blade inside the threaded conveying barrel, and through the connection of the belt connecting mechanism, the rotating shaft and the bevel gear connecting mechanism, the cam is driven to rotate, and then the rotating plate is driven to rotate. Then the vibration motor is turned on to pour the quartz sand from the top of the rotating plate. Through the rotation of the rotating plate, the quartz sand can be fed evenly, avoiding the problem of large-scale accumulation of quartz sand and poor quartz sand screening effect. The personnel use the required quartz sand to adjust the position of the moving plate by rotating the moving screw, and the screening of quartz sand is realized through the vibrating screen plate, and the large quartz sand enters the interior of the threaded conveying barrel through the obstruction and guidance of the moving plate. The quartz sand is screened again through the conveyance of the threaded conveying barrel, thereby improving the effect of quartz sand screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached picture:

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the installation structure of the vibrating screen plate of the utility model;

[0017] Figure 3 This is a schematic diagram of the mounting structure of the mounting plate of the utility model;

[0018] Figure 4This is a schematic diagram of the installation structure of the threaded conveying cylinder of the utility model;

[0019] Numbers in the figure: 1. Screening box; 2. Vibration spring; 3. Vibration screen plate; 4. Vibration motor; 5. Threaded rod; 6. Mounting plate; 7. Connecting spring; 8. Guide frame; 9. Moving plate; 10. Moving screw; 11. Threaded conveying cylinder; 12. Driving motor; 13. Discharging cylinder; 14. Belt connecting mechanism; 15. Rotating shaft; 16. Bevel gear connecting mechanism; 17. Cam; 18. Rotating plate. DETAILED DESCRIPTION

[0020] 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.

[0021] Example: Figure 1-4 As shown, the utility model provides a technical solution, a circulating screening device for preparing quartz sand, comprising a screening box 1, wherein vibration springs 2 are evenly arranged inside the screening box 1, the tops of a plurality of vibration springs 2 are connected through a vibration screen plate 3, a vibration motor 4 is arranged at the bottom of the vibration screen plate 3, a rotating shaft is welded at one end inside the screening box 1, one end of the vibration screen plate 3 is movably mounted on the outside of the rotating shaft, a rotating groove is provided at the rotating shaft position corresponding to the vibration screen plate 3, and the inner diameter of the rotating groove is greater than the outer diameter of the rotating shaft;

[0022] A threaded rod 5 is connected to one end of the screening box 1 through a threaded connection, a mounting plate 6 is movably mounted on the top of the threaded rod 5, a connecting spring 7 is welded on the top of the mounting plate 6, and the connecting spring 7 is connected to the bottom of one end of the vibrating screen plate 3;

[0023] Both ends of the screening box 1 are installed with guide frames 8 by screws, and the guide frame 8 is connected with a moving screw 10 by threads. A moving plate 9 is movably installed at the bottom of the moving screw 10, and the moving plate 9 is slidably connected to the inside of the guide frame 8. The guide frame 8 is inclined and is located on the top of the vibrating screen plate 3.

[0024] A threaded conveying cylinder 11 is provided at one end of the screening box 1, a driving motor 12 is fixedly installed on the top of the threaded conveying cylinder 11, both ends of the outer side of the threaded conveying cylinder 11 are fixedly connected with discharge cylinders 13, the internal rotating shaft of the threaded conveying cylinder 11 is fixedly connected with a belt connecting mechanism 14, one end of the bottom of the belt connecting mechanism 14 is fixedly connected with a rotating shaft 15, the bottom of the rotating shaft 15 is fixedly connected with a bevel gear connecting mechanism 16, one end of the bevel gear connecting mechanism 16 is fixedly installed with a cam 17, one end of the inside of the screening box 1 is rotatably connected with a rotating plate 18, the cam 17 and the rotating plate 18 are in contact with each other, and a discharge cylinder is penetrated and welded at one end of the threaded conveying cylinder 11 to facilitate driving the rotating plate 18 to rotate, thereby causing the rotating plate 18 to vibrate.

[0025] The personnel drives the mounting plate 6 to move by rotating the threaded rod 5. At this time, the angle of the vibrating screen plate 3 can be adjusted through the connection of the connecting spring 7, and different quartz sands can be screened according to needs. The flow speed of the quartz sand can be adjusted, thereby improving the effect of quartz sand screening. The personnel turns on the driving motor 12 to rotate the spiral conveying blades inside the threaded conveying cylinder 11, and drives the cam 17 to rotate through the connection of the belt connecting mechanism 14, the rotating shaft 15 and the bevel gear connecting mechanism 16, thereby driving the rotating plate 18 to rotate, and then turns on the vibration motor 4 to move the stone Quartz sand is poured in from the top of the rotating plate 18. The rotation of the rotating plate 18 allows the quartz sand to be fed evenly, avoiding the problem of large amounts of quartz sand being piled up and fed, which results in poor quartz sand screening effect. The personnel adjust the position of the moving plate 9 by rotating the moving screw 10 according to the required quartz sand, and screen the quartz sand through the vibrating screen plate 3. The large quartz sand passes through the obstruction and guidance of the moving plate 9 and enters the interior of the threaded conveying cylinder 11. The quartz sand is screened again through the conveying of the threaded conveying cylinder 11, thereby improving the quartz sand screening effect.

[0026] Finally, it should be noted that the above description is only a preferred example of the present utility model and is not intended to limit the present utility model. Although the present utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A circulating screening device for preparing quartz sand, comprising a screening box (1), characterized in that: Vibration springs (2) are evenly arranged inside the screening box (1), the tops of a plurality of the vibration springs (2) are connected via a vibration screen plate (3), and a vibration motor (4) is arranged at the bottom of the vibration screen plate (3); Guide frames (8) are installed at both ends of the screening box (1) by screws, a movable screw (10) is connected to the inside of the guide frame (8) by threads, a movable plate (9) is movably installed at the bottom of the movable screw (10), a threaded conveying cylinder (11) is provided at one end of the screening box (1), a driving motor (12) is fixedly installed on the top of the threaded conveying cylinder (11), and a discharge cylinder (13) is fixedly connected to both ends of the outer side of the threaded conveying cylinder (11).

2. A circulating screening device for preparing quartz sand according to claim 1, characterized in that: A rotating shaft is welded to one end of the interior of the screening box (1), one end of the vibrating screen plate (3) is movably mounted on the outside of the rotating shaft, a rotating groove is provided at a position of the vibrating screen plate (3) corresponding to the rotating shaft, and the inner diameter of the rotating groove is greater than the outer diameter of the rotating shaft.

3. A circulating screening device for preparing quartz sand according to claim 1, characterized in that: A threaded rod (5) is internally connected to one end of the screening box (1) via a threaded connection, a mounting plate (6) is movably mounted on the top of the threaded rod (5), a connecting spring (7) is welded to the top of the mounting plate (6), and the connecting spring (7) is connected to the bottom of one end of the vibrating screen plate (3).

4. A circulating screening device for preparing quartz sand according to claim 1, characterized in that: The movable plate (9) is slidably connected to the inside of the guide frame (8).

5. A circulating screening device for preparing quartz sand according to claim 1, characterized in that: The guide frame (8) is inclined, and the guide frame (8) is located on the top of the vibrating screen plate (3).

6. A circulating screening device for preparing quartz sand according to claim 1, characterized in that: The internal rotating shaft of the threaded conveying cylinder (11) is fixedly connected to a belt connecting mechanism (14), one end of the bottom of the belt connecting mechanism (14) is fixedly connected to a rotating shaft (15), the bottom of the rotating shaft (15) is fixedly connected to a bevel gear connecting mechanism (16), one end of the bevel gear connecting mechanism (16) is fixedly mounted with a cam (17), and one end of the internal part of the screening box (1) is rotatably connected to a rotating plate (18).

7. A circulating screening device for preparing quartz sand according to claim 6, characterized in that: The cam (17) and the rotating plate (18) are in contact with each other, and a discharge cylinder is welded through one end of the threaded conveying cylinder (11).

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