Quartz sand screening and washing device

Abstract

The utility model belongs to the technical field of quartz sand processing, and particularly relates to a quartz sand screening and washing device which comprises an outer box, an inner box is arranged at the upper end in the outer box, a plurality of springs are fixedly connected between the periphery of the inner wall of the outer box and the periphery of the outer wall of the inner box, and a vibration motor is fixedly installed in the middle of the left side of the inner box. A screen frame is arranged in the inner box; a hollow shell rod is arranged at the upper end of the screen frame, a plurality of water outlet spraying holes are integrally formed in the bottom end of the hollow shell rod, and a first water conveying hose is fixedly connected to the left side of the hollow shell rod; a third supporting plate is fixedly connected to the middle position of the left side of the outer box, and a water drum is fixedly connected to the interior of the third supporting plate. Quartz sand in the screen frame can be washed with water, raised dust in the quartz sand screening process can be reduced, pollution of the raised dust to the surrounding air environment and harm of the raised dust to the body of a worker are reduced, and the working efficiency is improved. The use is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of quartz sand processing, and specifically relates to a quartz sand screening and washing device. 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 chemicals, plastics, rubber, abrasives, filter materials and other industries.

[0003] When quartz sand is screened through the existing vibration screening device, the dust generated in the quartz sand screening process is easy to diffuse upward from the feed port and further outward. The dust diffused in the screening process will not only cause certain pollution to the surrounding air environment, but also further affect the health of the staff, which is not good for use. Therefore, the utility model proposes a quartz sand screening device with a mobile water washing structure. Utility Model Content

[0004] In order to solve the above-mentioned problems existing in the prior art, the utility model provides a quartz sand screening and washing device, which can further pressurize the water in the water cylinder and transport it to the hollow shell rod through a water suction pump, and further spray it outward through a plurality of water outlet spray holes on the hollow shell rod, so as to realize water washing of the quartz sand in the screen frame, reduce dust in the quartz sand screening process, so as to reduce the pollution of the surrounding air environment caused by dust and the harm to the body of the staff, and is easy to use; at the same time, through the further setting of the forward and reverse motors and the screw and the bottom rod, the hollow shell rod can be further driven to move back and forth, so that the water outlet of the hollow shell rod is more uniform and comprehensive, and it is better to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quartz sand screening and washing device, comprising an outer box, an inner box is arranged at the upper end of the inner part of the outer box, a plurality of springs are fixedly connected between the inner wall of the outer box and the outer wall of the inner box, a vibration motor is fixedly installed at the middle position of the left side of the inner box, and a screen frame is arranged inside the inner box;

[0006] The upper end of the screen frame is provided with a hollow shell rod, the bottom end of the hollow shell rod is integrally formed with a plurality of water outlet holes, and the left side of the hollow shell rod is fixedly connected with a water delivery hose 1;

[0007] A support plate 3 is fixedly connected to the middle position on the left side of the outer box, a water cylinder is fixedly connected to the interior of the support plate 3, a water suction pump is fixedly connected to the upper end of the water cylinder, a water delivery hose 2 is fixedly connected to the input end of the water suction pump, and the bottom end of the water delivery hose 2 extends to the inner bottom of the water cylinder, and the output end of the water suction pump is fixedly connected to the bottom end of the water delivery hose 1.

[0008] The left side of the hollow shell rod is fixedly connected with a slot frame, the left bottom end of the slot frame is fixedly connected with a bottom rod, the bottom end of the bottom rod is provided with a screw hole, the bottom end of the bottom rod is provided with a guide hole and the guide hole is located below the screw hole;

[0009] A support plate 1 is fixedly connected to the upper rear end of the left side of the outer box, a forward and reverse motor is fixedly installed on the rear end of the support plate 1, a screw is fixedly connected to the output end of the forward and reverse motor, and the screw hole is screwed together with the screw, a guide rod is fixedly connected to the bottom front end of the support plate 1, and the guide hole is slidably connected to the guide rod.

[0010] As a preferred technical solution of a quartz sand screening and washing device of the utility model, legs are fixedly connected to the bottom ends of the four sides of the outer box, feet are fixedly connected to the bottom ends of the legs, and a cross brace is fixedly connected between the front and rear legs.

[0011] As a preferred technical solution of a quartz sand screening and washing device of the utility model, a cover plate is fixedly connected around the upper end of the inner box.

[0012] As a preferred technical solution of a quartz sand screening and washing device of the utility model, a bracket is fixedly connected to the inner bottom end of the inner box, and the bottom end of the screen frame is in close contact with the upper end of the bracket.

[0013] As an optimal technical solution for a quartz sand screening and washing device of the utility model, fixing bolts are screwed together in the middle of the upper front and rear ends of the screen frame, fixing holes are opened in the middle of the upper front and rear ends of the inner box, and the fixing bolts are screwed together in the fixing holes.

[0014] As a preferred technical solution of a quartz sand screening and washing device of the utility model, handles are fixedly connected to the middle positions of the upper parts of the front and rear ends of the screen frame.

[0015] As a preferred technical solution of a quartz sand screening and washing device of the utility model, the upper and lower ends of the front end of the support plate 1 are fixedly connected with rib plate 1, and the right end of the rib plate 1 is fixedly connected to the outer box.

[0016] As an optimal technical solution for a quartz sand screening and washing device of the utility model, a support plate 2 is fixedly connected to the upper left front end of the outer box, a bearing is fixedly connected inside the support plate 2, the front end of the screw is fixedly connected to the inside of the bearing, and the front end of the guide rod is fixedly connected to the support plate 2, the upper and lower sides of the rear end of the support plate 2 are fixedly connected to rib plate 2, and the right end of the rib plate 2 is fixedly connected to the outer box.

[0017] As a preferred technical solution of a quartz sand screening and washing device of the utility model, the front and rear sides of the bottom end of the support plate three are fixedly connected with rib plate three, and the right side of the rib plate three is fixedly connected to the outer box.

[0018] As a preferred technical solution of a quartz sand screening and washing device of the utility model, a water inlet pipe is fixedly connected to the upper left end of the water cylinder, and a rubber sealing ring is fixedly connected around the outer wall of the water inlet pipe.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. When the utility model is in use, the inner box and the screen frame can vibrate relative to the outer box through the setting of the vibration motor and the spring. The coarse and fine particles of quartz sand can be screened and used through the vibrating inner box and the screen frame, which is simple and convenient.

[0021] 2. During use, the utility model can further pressurize the water in the water cylinder and transport it to the hollow shell rod through the water suction pump, and further spray it outward through a number of water outlet holes on the hollow shell rod, so as to realize water washing of the quartz sand in the screen frame, reduce dust in the quartz sand screening process, and reduce the pollution of the surrounding air environment caused by dust and the harm to the workers, and is easy to use;

[0022] At the same time, through the further setting of the forward and reverse motors and the screw rod and the bottom rod, the hollow shell rod can be further driven to move back and forth, so that the water output of the hollow shell rod is more uniform and comprehensive, and the use is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the internal structure of the outer box of the utility model;

[0026] Figure 3 for Figure 2 Schematic diagram of the structure viewed from above;

[0027] Figure 4 This is a schematic diagram of the connection structure between the screen frame and the inner box of the utility model;

[0028] Figure 5 This is a schematic diagram of the split structure of the screen frame and the inner box of the utility model;

[0029] Figure 6 The utility model is a schematic diagram of the connection structure of the hollow shell rod, bottom rod, forward and reverse motors, screw rod, water cylinder and water suction pump.

[0030] In the figure: 1. outer box; 2. support legs; 3. support feet; 4. cross brace; 5. inner box; 6. spring; 7. vibration motor; 8. cover plate; 9. bracket; 10. screen frame; 11. handle; 12. fixing bolts; 13. fixing holes; 14. hollow shell rod; 15. water outlet nozzle; 16. water hose 1; 17. trough frame; 18. bottom rod; 19. screw hole; 20. guide hole; 21. support plate 1; 22. rib plate 1; 23. forward and reverse motor; 24. screw; 25. guide rod; 26. support plate 2; 27. rib plate 2; 28. bearing; 29. ​​support plate 3; 30. rib plate 3; 31. water cylinder; 32. water suction pump; 33. water hose 2; 34. water inlet pipe. DETAILED DESCRIPTION

[0031] 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. Example

[0032] See also Figure 1-6 The utility model provides the following technical solutions: a quartz sand screening and washing device, comprising an outer box 1, an inner box 5 is arranged at the upper end of the inner part of the outer box 1, legs 2 are fixedly connected to the bottom ends of the four sides of the outer box 1, feet 3 are fixedly connected to the bottom ends of the legs 2, and a cross brace 4 is fixedly connected between the front and rear legs 2, wherein the legs 2 are used to support the four sides of the bottom of the outer box 1, the supporting area of ​​the bottom of the legs 2 can be further increased by the feet 3, and the connection strength of the front and rear legs 2 can be further enhanced by the cross brace 4, so as to support the four sides of the bottom of the outer box 1;

[0033] Furthermore, a plurality of springs 6 are fixedly connected between the inner wall of the outer box 1 and the outer wall of the inner box 5, a vibration motor 7 is fixedly installed in the middle position of the left side of the inner box 5, a bracket 9 is fixedly connected to the inner bottom end of the inner box 5, a screen frame 10 is arranged inside the inner box 5, and the bottom end of the screen frame 10 is in close contact with the upper end of the bracket 9, fixing bolts 12 are screwed in the middle position of the upper part of the front and rear ends of the screen frame 10, fixing holes 13 are provided in the middle position of the upper part of the front and rear ends of the inner box 5, and the fixing bolts 12 are screwed in connection with the fixing holes 13, handles 11 are fixedly connected in the middle position of the upper part of the front and rear ends of the screen frame 10, and a cover plate 8 is fixedly connected around the upper end of the inner box 5, wherein the inner box 5 and the screen frame 10 can be elastically movable relative to the outer box 1 through the springs 6, and the vibration motor The support 7 allows the inner box 5 and the screen frame 10 to further vibrate relative to the outer box 1, so as to facilitate the vibration screening of the quartz sand. The "U"-shaped bracket 9 is used for the lifting and limiting support of the bottom of the screen frame 10 in the inner box 5. The screen frame 10 is a solid structure around and a mesh structure at the bottom. The fixing bolts 12 and the fixing holes 13 are arranged to cooperate so that the screen frame 10 can be further limited and fixed in the inner box 5. The handle 11 is used to extract and drop the screen frame 10 in the inner box 5. The screen frame 10 is detachable, which is convenient for cleaning and use of the screen frame 10 in the inner box 5. In daily use, the screen frames 10 with different apertures can be replaced as needed. The cover plate 8 is used to cover the outer periphery of the upper end of the inner box 5 to prevent the quartz sand from falling into the space between the inner box 5 and the outer box 1 when adding quartz sand into the screen frame 10.

[0034] In this embodiment, when the utility model is in use, the inner box 5 and the screen frame 10 can vibrate relative to the outer box 1 through the setting of the vibration motor 7 and the spring 6. The vibrating inner box 5 and the screen frame 10 can realize the screening of coarse and fine particles of quartz sand, which is simple and convenient.

[0035] Reference Figure 1 and Figure 6 As shown, further, a hollow shell rod 14 is provided at the upper end of the screen frame 10, and a plurality of water outlet spray holes 15 are integrally formed at the bottom end of the hollow shell rod 14. A water delivery hose 16 is fixedly connected to the left side of the hollow shell rod 14, wherein the hollow shell rod 14 is hollow inside, water can flow in, and the water outlet spray holes 15 are equidistantly distributed. The water flowing into the hollow shell rod 14 can be further sprayed outward from the water outlet spray holes 15. The water delivery hose 16 is a plastic hose, which is used for conveying water in the hollow shell rod 14, and the water delivery hose 16 is soft in texture and can be stretched and moved with the movement of the hollow shell rod 14;

[0036] Furthermore, a support plate three 29 is fixedly connected to the middle position on the left side of the outer box 1, and rib plates three 30 are fixedly connected to the front and rear sides of the bottom end of the support plate three 29, and the right side of the rib plates three 30 is fixedly connected to the outer box 1, and a water cylinder 31 is fixedly connected to the inside of the support plate three 29, and a water suction pump 32 is fixedly connected to the upper end of the water cylinder 31, and the input end of the water suction pump 32 is fixedly connected to a water delivery hose 2 33 and the bottom end of the water delivery hose 2 33 extends to the inner bottom of the water cylinder 31, and the output end of the water suction pump 32 is fixedly connected to the bottom end of the water delivery hose 1 16, and a water inlet pipe 34 is fixedly connected to the upper left end of the water cylinder 31, and a rubber sealing ring is fixedly connected to the outer wall of the water inlet pipe 34, wherein the rib plates three 30 are used to strengthen the connection structure between the support plate three 29 and the outer box 1, and the water cylinder 31 is used for pre-storing water for washing, and can be supplied by the water suction pump 32, the water delivery hose 2 33 and the water delivery hose 1 The pipe 16 is further pressurized and input into the hollow shell rod 14. The water inlet pipe 34 is used to connect the water cylinder 31 with the external water supply pipe, and a rubber sealing ring is arranged outside the water inlet pipe 34 to ensure the sealing effect of the connection. Before use, the external water supply pipe used for washing quartz sand is connected with the water inlet pipe 34 by clamping, and the connection is assisted by a hoop. After that, part of the washing water is pre-input into the water cylinder 31 through the water supply pipeline and the water inlet pipe 34, so that the subsequent washing water can be further pressurized and output for use. When in use, the external water supply pipe continuously inputs the washing water into the water cylinder 31 through the water inlet pipe 34. At the same time, the water input into the water cylinder 31 can be further input into the hollow shell rod 14 through the water suction pump 32, the water delivery hose 2 33 and the water delivery hose 16, and further sprayed downward through a plurality of water outlet holes 15 at the bottom end of the hollow shell rod 14;

[0037] Furthermore, the left side of the hollow shell rod 14 is fixedly connected with a slot frame 17, and the left bottom end of the slot frame 17 is fixedly connected with a bottom rod 18, and a screw hole 19 is provided at the bottom end of the bottom rod 18, and a guide hole 20 is provided at the bottom end of the bottom rod 18, and the guide hole 20 is located below the screw hole 19, wherein the slot frame 17 is used for connecting the hollow shell rod 14 and the bottom rod 18, and at the same time, the groove-type slot frame 17 structure is convenient for limiting the placement of the upper section of the water hose 16 to prevent the upper section of the water hose 16 from frictionally contacting the screw 24 during the movement of the hollow shell rod 14, and the bottom rod 18 with the screw hole 19 and the guide hole 20 is a moving auxiliary part and a guiding auxiliary part during the movement of the hollow shell rod 14;

[0038] Furthermore, a support plate 21 is fixedly connected to the upper portion of the left rear end of the outer box 1, and a rib plate 22 is fixedly connected to the upper and lower ends of the front end of the support plate 21, and the right end of the rib plate 22 is fixedly connected to the outer box 1, and a forward and reverse motor 23 is fixedly installed at the rear end of the support plate 21, and a screw 24 is fixedly connected to the output end of the forward and reverse motor 23, and the screw hole 19 is screwed and connected to the screw 24, and a guide rod 25 is fixedly connected to the bottom of the front end of the support plate 21, and the guide hole 20 is slidably connected to the guide rod 25, and a support plate 26 is fixedly connected to the upper portion of the left front end of the outer box 1, and a rib plate 27 is fixedly connected to the upper and lower sides of the rear end of the support plate 26, and the right end of the rib plate 27 is fixedly connected to the outer box 1, and a bearing 28 is fixedly connected to the inside of the support plate 26, and the screw The front end of the rod 24 is fixedly connected to the inside of the bearing 28, and the front end of the guide rod 25 is fixedly connected to the support plate 26, wherein the rib plate 22 is used to strengthen the connection structure between the support plate 21 and the outer box 1, and the screw rod 24 can be driven to rotate back and forth through the forward and reverse motor 23, thereby driving the bottom rod 18 and the slot frame 17 and the hollow shell rod 14 to move back and forth at a uniform speed, and slide relative to the guide rod 25 through the guide hole 20 for guiding and limiting, and the rib plate 27 is used to strengthen the connection structure between the support plate 26 and the outer box 1, and the front end of the guide rod 25 can be fixedly supported by the support plate 26, and the front end of the screw rod 24 can be rotatably supported by the bearing 28 in the support plate 26, so as to ensure the stable use of the guide rod 25 and the smooth rotation of the screw rod 24.

[0039] In this embodiment, during use, the water in the water cylinder 31 can be further pressurized and transported to the hollow shell rod 14 through the water suction pump 32, and further sprayed outward through a plurality of water outlet holes 15 on the hollow shell rod 14, so as to achieve water washing of the quartz sand in the screen frame 10, reduce dust during the quartz sand screening process, and reduce the pollution of the surrounding air environment caused by dust and the harm to the body of the staff, and is easy to use;

[0040] At the same time, through the further arrangement of the forward and reverse motor 23 and the screw rod 24 and the bottom rod 18, the hollow shell rod 14 can be further driven to move back and forth, so that the water discharge of the hollow shell rod 14 is more uniform and comprehensive, and the use is better.

[0041] The use process and working principle of the utility model are as follows: before use, the device is placed in a suitable position, the vibration motor 7, the forward and reverse motor 23 and the water suction pump 32 are electrically connected to the external power supply through wiring, and the external water supply pipe for washing quartz sand is connected with the water inlet pipe 34 by clamping, and the connection is assisted and fixed by a hoop bar, and at the same time, part of the washing water is pre-input into the water cylinder 31 through the water supply pipeline and the water inlet pipe 34, so that the subsequent washing water can be further pressurized and output for use;

[0042] When in use, the external power supply starts the vibration motor 7, the forward and reverse motors 23 and the water suction pump 32, and the quartz sand material to be screened is added to the screen frame 10. Through the setting of a plurality of springs 6, the vibration motor 7 can drive the inner box 5 and the screen frame 10 to vibrate, so as to realize the vibration screening of the quartz sand, and the screened quartz sand falls to the bottom of the outer box 1;

[0043] During the quartz sand screening process, the external water supply pipe continuously inputs washing water into the water cylinder 31 through the water inlet pipe 34. At the same time, the water input into the water cylinder 31 can be further input into the hollow shell rod 14 through the water suction pump 32 and the water delivery hose 2 33 and the water delivery hose 1 16, and further sprayed downward through the plurality of water outlet holes 15 at the bottom end of the hollow shell rod 14. At the same time, the forward and reverse motor 23 can drive the screw 24 to rotate forward and backward for a certain number of times, and the screw 24 rotating forward at a fixed position can drive the tool The bottom rod 18 with the screw hole 19 moves forward, and slides relative to the guide rod 25 through the guide hole 20 for guiding and limiting, thereby driving the slot frame 17 and the hollow shell rod 14 to move forward, and then the forward and reverse motor 23 further drives the screw rod 24 to rotate forward and reverse for a certain number of times, which can drive the hollow shell rod 14 to move backward, and the forward and reverse motor 23 drives the screw rod 24 to rotate forward and reverse for a certain number of times, thereby driving the hollow shell rod 14 to move back and forth at a uniform speed, so that the water discharge of the hollow shell rod 14 is more uniform and comprehensive;

[0044] After the quartz sand is screened and used, the vibration motor 7, the forward and reverse motor 23 and the water suction pump 32 are turned off, and the water supply of the external water supply pipe is turned off. Then, the screened quartz sand is cleared out for further processing in the subsequent process, such as acid leaching, washing, drying, etc., and the fixing bolts 12 are screwed out of the fixing holes 13 to release the fixing state of the screen frame 10 relative to the inner box 5. Then, the screen frame 10 can be further extracted from the inner box 5 by the handle 11, so as to further clean and remove the coarse particles and impurities in the screen frame 10.

[0045] In addition, the contents not described in detail in this embodiment are all within the scope of prior art and common knowledge.

[0046] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been 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 invention shall be included in the protection scope of the present invention.

Claims

1. A quartz sand screening and washing device, characterized in that: It comprises an outer box (1), an inner box (5) is arranged at the upper end of the inner part of the outer box (1), a plurality of springs (6) are fixedly connected between the inner wall of the outer box (1) and the outer wall of the inner box (5), a vibration motor (7) is fixedly installed at the middle position of the left side of the inner box (5), and a screen frame (10) is arranged inside the inner box (5); The upper end of the screen frame (10) is provided with a hollow shell rod (14), the bottom end of the hollow shell rod (14) is integrally formed with a plurality of water outlet holes (15), and the left side of the hollow shell rod (14) is fixedly connected with a water delivery hose (16); A support plate 3 (29) is fixedly connected to the middle position on the left side of the outer box (1), a water cylinder (31) is fixedly connected to the interior of the support plate 3 (29), a water suction pump (32) is fixedly connected to the upper end of the water cylinder (31), an input end of the water suction pump (32) is fixedly connected to a water delivery hose 2 (33) and the bottom end of the water delivery hose 2 (33) extends to the inner bottom of the water cylinder (31), and an output end of the water suction pump (32) is fixedly connected to the bottom end of the water delivery hose 1 (16). The left side of the hollow shell rod (14) is fixedly connected to a slot frame (17), the left bottom end of the slot frame (17) is fixedly connected to a bottom rod (18), a screw hole (19) is provided at the bottom end of the bottom rod (18), a guide hole (20) is provided at the bottom end of the bottom rod (18), and the guide hole (20) is located below the screw hole (19); A support plate 1 (21) is fixedly connected to the upper portion of the rear end of the left side of the outer box (1); a forward and reverse motor (23) is fixedly installed at the rear end of the support plate 1 (21); a screw rod (24) is fixedly connected to the output end of the forward and reverse motor (23); the screw hole (19) is screwedly connected to the screw rod (24); a guide rod (25) is fixedly connected to the bottom of the front end of the support plate 1 (21); and the guide hole (20) is slidably connected to the guide rod (25).

2. A quartz sand screening and washing device according to claim 1, characterized in that: The bottom ends of the four sides of the outer box (1) are fixedly connected to supporting legs (2), the bottom ends of the supporting legs (2) are fixedly connected to supporting feet (3), and a cross brace (4) is fixedly connected between the front and rear supporting legs (2).

3. A quartz sand screening and washing device according to claim 1, characterized in that: Cover plates (8) are fixedly connected around the upper end of the inner box (5).

4. A quartz sand screening and washing device according to claim 1, characterized in that: The inner bottom end of the inner box (5) is fixedly connected to a bracket (9), and the bottom end of the screen frame (10) is in close contact with the upper end of the bracket (9).

5. A quartz sand screening and washing device according to claim 1, characterized in that: The screen frame (10) is screwed with fixing bolts (12) at the middle positions of the upper parts of the front and rear ends, and the inner box (5) is provided with fixing holes (13) at the middle positions of the upper parts of the front and rear ends, and the fixing bolts (12) are screwed with the fixing holes (13).

6. A quartz sand screening and washing device according to claim 1, characterized in that: Handles (11) are fixedly connected at the middle positions of the upper parts of the front and rear ends of the screen frame (10).

7. A quartz sand screening and washing device according to claim 1, characterized in that: The upper and lower ends of the front end of the support plate 1 (21) are fixedly connected to the rib plate 1 (22), and the right end of the rib plate 1 (22) is fixedly connected to the outer box (1).

8. A quartz sand screening and washing device according to claim 1, characterized in that: A second support plate (26) is fixedly connected to the upper portion of the left front end of the outer box (1), a bearing (28) is fixedly connected inside the second support plate (26), a front end of the screw rod (24) is fixedly connected to the inside of the bearing (28), and a front end of the guide rod (25) is fixedly connected to the second support plate (26), and a second rib plate (27) is fixedly connected to the upper and lower sides of the rear end of the second support plate (26), and the right end of the second rib plate (27) is fixedly connected to the outer box (1).

9. A quartz sand screening and washing device according to claim 1, characterized in that: The front and rear sides of the bottom end of the support plate three (29) are fixedly connected to the rib plate three (30), and the right side of the rib plate three (30) is fixedly connected to the outer box (1).

10. A quartz sand screening and washing device according to claim 1, characterized in that: A water inlet pipe (34) is fixedly connected to the upper left end of the water cylinder (31), and a rubber sealing ring is fixedly connected around the outer wall of the water inlet pipe (34).

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