Quartz sand particle screening device

Abstract

The utility model discloses a quartz sand particle screening device which comprises a screening machine body, a vibration unit is arranged on the side of the screening machine body, material guide plates are symmetrically hinged to the two sides of the top of the screening machine body, adjusting components are arranged on the outer sides of the material guide plates and comprise connecting bases arranged on the outer sides of the material guide plates, and connecting rods are hinged to the side of the connecting bases. A screw rod is arranged at the bottom end of the fixing rod, and a lifting part is arranged at the bottom end of the screw rod and located on the side of the bottom of the screening machine body; the guide plates are hinged to the two sides of the top of the screening machine body, the lifting part drives the screw to move up and down so that the fixing rod can move up and down, the inclination angles of the guide plates are changed through the connecting rods hinged to the fixing rod and the connecting base respectively, quartz sand falling off the outer side of the screening machine body is subjected to extension flow guiding, and the screening efficiency is improved. And the receiving range of quartz sand is expanded, and part of quartz sand is prevented from falling off from the outer side of the top of the screening machine body during discharging.

Description

Technical Field

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

[0002] The commonly used tool for screening quartz sand particles is a vibrating screen. The vibrating screen separates materials of different particle sizes through vibration. Its working principle is to use the vibration generated by the exciter to transmit to the screen, so that the material on the screen is separated according to the particle size and discharged from different discharge hoppers, thereby completing the screening and separation operation. When the existing vibrating screen receives the quartz sand raw material, due to the unstable discharge speed of the quartz sand raw material, part of the quartz sand material often falls on the outside of the vibrating screen. After a period of time, the fallen quartz sand needs to be cleaned manually. In order to solve this problem, a new type of quartz sand particle screening device is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a quartz sand particle screening device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quartz sand particle screening device, comprising a screening machine body, a vibration unit is arranged on the side of the screening machine body, guide plates are symmetrically hinged on both sides of the top of the screening machine body, and an adjusting component for adjusting the rotation angle of the guide plate is arranged on the outer side of the guide plate, the adjusting component comprises a connecting seat arranged on the outer side of the guide plate, a connecting rod is hinged on the side of the connecting seat, a fixing rod is hinged on one end of the connecting rod, a screw is arranged at the bottom end of the fixing rod, and a lifting part for driving the screw to move is arranged at the bottom end of the screw and located on the bottom side of the screening machine body.

[0005] Preferably, the lifting part includes an internal threaded sleeve sleeved on the outside of the screw, the screw and the outside of the internal threaded sleeve are sleeved with a control box, the top of the internal threaded sleeve is inserted and connected to the bottom of the control box, the top of the internal threaded sleeve is fixedly connected with a worm gear, the worm gear is sleeved on the outside of the screw, and the outside of the worm gear is meshed with a worm.

[0006] Preferably, a hand wheel is provided at one end of the worm and located outside the control box.

[0007] Preferably, a limiting ring is sleeved on the outer side of one end of the worm, the end of the limiting ring is inserted and connected to the outer side of the control box, and the other end of the worm is inserted and connected to the inner wall of the control box.

[0008] Preferably, a bearing is sleeved on the outer side of the internally threaded sleeve, and the top end of the bearing is inserted and connected to the bottom of the control box.

[0009] Preferably, a multi-layer discharge hopper is provided on the side of the screening machine body.

[0010] Technical effects and advantages of the utility model:

[0011] The utility model has guide plates hinged on both sides of the top of the screening machine body, and the lifting part drives the screw rod to move up and down, so that the fixed rod moves up and down, and the connecting rods hinged to the fixed rod and the connecting seat are used to change the inclination angle of the guide plate, so as to extend and guide the quartz sand that falls to the outside of the screening machine body, expand the material receiving range of the quartz sand, and prevent part of the quartz sand from falling from the top outside of the screening machine body when unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is a top view of the utility model as a whole.

[0014] Figure 3 It is a cross-sectional view of the lifting part of the utility model.

[0015] In the figure: 1. screening machine body; 2. vibration unit; 3. guide plate; 301. connecting seat; 4. connecting rod; 5. fixing rod; 6. screw; 7. lifting part; 701. internal threaded sleeve; 702. control box; 703. worm gear; 704. worm; 705. hand wheel; 706. limit ring; 707. bearing; 8. discharge hopper. DETAILED DESCRIPTION

[0016] 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.

[0017] The utility model provides Figure 1-3 A quartz sand particle screening device shown in the figure comprises a screening machine body 1, a vibration unit 2 is arranged on the side of the screening machine body 1, a multi-layer discharge hopper 8 is arranged on the side of the screening machine body 1, and guide plates 3 are symmetrically hinged on both sides of the top of the screening machine body 1;

[0018] It should be noted that the overall reference model composed of the screening machine body 1, the vibration unit 2 and the discharge hopper 8 is the working principle of the SXJ-01 vibration screening machine, and the guide plate 3 and the screening machine body 1 are hinged with a hinge;

[0019] An adjusting member for adjusting the rotation angle of the guide plate 3 is provided on the outer side of the guide plate 3;

[0020] Specifically, the adjusting member includes a connecting seat 301 disposed outside the guide plate 3, a connecting rod 4 is hingedly connected to the side of the connecting seat 301, a fixing rod 5 is hingedly connected to one end of the connecting rod 4, and a screw 6 is disposed at the bottom end of the fixing rod 5;

[0021] It should be noted that the connecting seat 301 and the guide plate 3 are fixed by welding. The guide plate 3 is made of stainless steel with a smooth surface, which is convenient for the diversion and movement of quartz sand. The hinges between the connecting rod 4 and the connecting seat 301 and the hinges between the connecting rod 4 and the fixing rod 5 are both interspersed with positioning pins. The fixing rod 5 and the screw 6 are fixed by welding.

[0022] A lifting part 7 for driving the screw 6 to move is provided at the bottom end of the screw 6 and located at the bottom side of the screening machine body 1;

[0023] Specifically, the lifting part 7 includes an internal threaded sleeve 701 sleeved on the outside of the screw rod 6, a control box 702 is sleeved on the outside of the screw rod 6 and the internal threaded sleeve 701, the top of the internal threaded sleeve 701 is inserted and connected to the bottom of the control box 702, the top of the internal threaded sleeve 701 is fixedly connected with a worm gear 703, the worm gear 703 is sleeved on the outside of the screw rod 6, the outside of the worm gear 703 is meshed with a worm 704, and one end of the worm gear 704 is located on the outside of the control box 702 and is provided with a hand wheel 705;

[0024] It should be noted that the control box 702 is welded and fixed to the screening machine body 1, the internal threaded sleeve 701 is welded and fixed to the worm gear 703, a cylindrical hole for the screw 6 to pass through is provided on the top of the control box 702, the screw 6 does not contact the inner wall of the worm gear 703, a thread is provided at the connection between the worm 704 and the worm gear 703, and the rest of the parts are smooth curved surfaces, and the hand wheel 705 is welded and fixed at the insertion of the worm 704;

[0025] A limiting ring 706 is sleeved on the outer side of one end of the worm 704, and the end of the limiting ring 706 is inserted and connected to the outer side of the control box 702, and the other end of the worm 704 is inserted and connected to the inner wall of the control box 702;

[0026] It should be noted that the insertion of the limit ring 706 and the control box 702 is fixed by glue, and the inner wall of the control box 702 is provided with a cylindrical hole for the end of the worm 704 to be inserted, and the cross-sectional diameter of one end of the worm 704 is smaller than the cross-sectional diameter of the other end, and the cross-sectional diameter of one end is smaller than the cross-sectional diameter of the inner cavity of the limit ring 706, and the cross-sectional diameter of the inner cavity of the limit ring 706 is smaller than the cross-sectional diameter of the other end of the worm 704, so that the limit ring 706 and the cylindrical hole jointly limit the position of the worm 704 to prevent the position of the worm 704 from being offset;

[0027] A bearing 707 is sleeved on the outer side of the internal threaded sleeve 701, and the top end of the bearing 707 is inserted and connected to the bottom of the control box 702;

[0028] It should be noted that a cylindrical hole for the bearing 707 to pass through is provided at the bottom of the control box 702, the inner wall of the middle portion of the bearing 707 is fixed to the internal threaded sleeve 701 by welding, and the outer side of the bearing 707 is fixed to the inner wall of the cylindrical hole by glue;

[0029] In actual use, the user rotates the hand wheel 705 to drive the worm 704 to rotate. The rotating worm 704 drives the worm wheel 703 to rotate through meshing, and then drives the internal threaded sleeve 701 to rotate. The internal threaded sleeve 701 rotates, thereby driving the screw 6 engaged with the inner thread of the internal threaded sleeve 701 to move up and down, thereby causing the fixed rod 5 to move up and down. The connecting rod 4, which is respectively hinged to the fixed rod 5 and the connecting seat 301, is used to rotate and change the inclination angle of the guide plate 3, thereby extending and guiding the quartz sand that falls into the outside of the screening machine body 1, expanding the material receiving range of the quartz sand, and preventing some quartz sand from falling from the top outside of the screening machine body 1 when unloading.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A quartz sand particle screening device, comprising a screening machine body (1), wherein a vibration unit (2) is arranged on the side of the screening machine body (1), characterized in that: Guide plates (3) are symmetrically hinged on both sides of the top of the screening machine body (1), and an adjusting component for adjusting the rotation angle of the guide plate (3) is arranged on the outer side of the guide plate (3), and the adjusting component includes a connecting seat (301) arranged on the outer side of the guide plate (3), and a connecting rod (4) is hinged on the side of the connecting seat (301), and a fixing rod (5) is hinged on one end of the connecting rod (4), and a screw rod (6) is arranged at the bottom end of the fixing rod (5), and a lifting part (7) for driving the screw rod (6) to move is arranged at the bottom end of the screw rod (6) and located on the bottom side of the screening machine body (1).

2. A quartz sand particle screening device according to claim 1, characterized in that: The lifting part (7) comprises an internally threaded sleeve (701) sleeved on the outside of the screw (6); a control box (702) is sleeved on the outside of the screw (6) and the internally threaded sleeve (701); the top end of the internally threaded sleeve (701) is inserted and connected to the bottom of the control box (702); the top end of the internally threaded sleeve (701) is fixedly connected to a worm gear (703); the worm gear (703) is sleeved on the outside of the screw (6); and the outside of the worm gear (703) is meshed with a worm (704).

3. A quartz sand particle screening device according to claim 2, characterized in that: A hand wheel (705) is provided at one end of the worm (704) and located outside the control box (702).

4. A quartz sand particle screening device according to claim 3, characterized in that: A limiting ring (706) is sleeved on the outer side of one end of the worm (704), and the end of the limiting ring (706) is inserted and connected to the outer side of the control box (702), and the other end of the worm (704) is inserted and connected to the inner wall of the control box (702).

5. A quartz sand particle screening device according to claim 3, characterized in that: A bearing (707) is sleeved on the outer side of the internal threaded sleeve (701), and the top end of the bearing (707) is inserted and connected to the bottom of the control box (702).

6. A quartz sand particle screening device according to claim 2, characterized in that: A multi-layer discharge hopper (8) is arranged on the side of the screening machine body (1).

Images