Water-saving forced separation spiral sand washer

Abstract

The utility model discloses a water-saving forced separation spiral sand washing machine which comprises a sand washing pool, one side of the sand washing pool is provided with an installation frame which is obliquely arranged and communicated with the sand washing pool, one side of the installation frame is provided with a supporting frame, and a rotating shaft extending into the sand washing pool is arranged in the installation frame. The sand washing device has the beneficial effects that by arranging the first water receiving tank, the first filter screen, the overflow opening and the first conveying pump, when water in the sand washing pool reaches the overflow opening, the water flows into the first water receiving tank, is filtered through the first filter screen and then is conveyed into the sand washing pool through the first conveying pump, so that the water can be recycled; when sand grains are transported by spiral blades, an internal water source can enter a second water receiving tank through a second filter screen, and then is conveyed to the first water receiving tank through a second conveying pump to be uniformly conveyed into a sand washing pool, so that the water-saving performance of the sand washing pool is further improved, and the waste of the water source is reduced; and the personnel can conveniently clean the filter screen II.

Description

Technical Field

[0001] The utility model relates to the technical field of spiral sand washing machines, in particular to a water-saving forced separation spiral sand washing machine. Background Art

[0002] Sand washing machine is a kind of equipment for washing artificial sand (including natural sand). Sand washing machine is widely used in the washing of materials in industries such as sand and gravel field, mining, building materials, transportation, chemical industry, water conservancy and hydropower, concrete mixing station, etc. It can remove impurities covering the surface of sand and gravel, and destroy the water vapor layer covering the sand particles to facilitate dehydration, thus playing a role of efficient sand washing and cleaning. Sand washing machine is also called stone washing machine.

[0003] The spiral sand washing machine needs to add water to stir the sand when cleaning it. During the stirring process, water is easy to overflow from the sand washing pool, and water needs to be added continuously. At the same time, the spiral blades in the spiral sand washing machine stir and clean the sand while also transporting it. In this process, the water in the sand washing pool will also be transported to the outside of the sand washing machine along with the spiral blades, causing water waste.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a water-saving forced separation spiral sand washing machine to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A water-saving compulsory separation spiral sand washing machine comprises a sand washing pool, one side of the sand washing pool is provided with a mounting frame which is inclined and communicated with the mounting frame, one side of the mounting frame is provided with a supporting frame, the mounting frame is provided with a rotating shaft extending into the sand washing pool, the outer wall of the rotating shaft is sleeved with spiral blades, a water receiving box is provided on the side of the sand washing pool away from the mounting frame, the water receiving box is fixedly connected to the sand washing pool, an overflow port communicating with the water receiving box is opened on the inner wall of the sand washing pool, a filter screen is provided in the water receiving box and at the bottom of the overflow port, a water delivery pump is provided on one side of the sand washing pool, a water suction end of the water delivery pump is communicated with the water receiving box through a water pipe, and a water delivery end of the water delivery pump is provided with a filter extending to A water pipe 2 is disposed at the top of the sand washing pool, a water receiving box 2 is disposed at the bottom of the mounting frame, the water receiving box 2 is connected to the mounting frame through a limit assembly, a water outlet communicating with the water receiving box 2 is provided at the bottom of the mounting frame, a filter screen 2 is disposed at the top of the water receiving box 2, a water outlet pipe is disposed at one side of the bottom of the water receiving box 2, a water pump 2 is disposed at the side of the sand washing pool away from the water pump 1, a water suction end of the water pump 2 is connected to the water outlet pipe through a water pipe 3, a water outlet end of the water pump 2 is connected to the water receiving box 1 through a water pipe 4, a discharge pipe communicating with the mounting frame is disposed at the top of the mounting frame and at one side of the water receiving box 2, and one side of the rotating shaft extends to the outside of the mounting frame and is connected to the motor.

[0008] Preferably, a sealing gasket is provided at the top end of the water receiving box, and a sealing groove matching the sealing gasket is provided at the bottom end of the mounting frame.

[0009] Preferably, the limiting assembly includes a symmetrically arranged fixing frame at the bottom end of the mounting frame and located on both sides of the water outlet, a symmetrically arranged positioning groove is opened on one side of the fixing frame, a positioning block matching the positioning groove is provided on the water receiving box 2, a U-shaped guide frame is provided on the side of the fixing frame away from the positioning groove, an adjusting screw rod is provided in the U-shaped guide frame, a movable plate is sleeved on the outer wall of the adjusting screw rod, a symmetrically arranged fixing pin is provided on one side of the movable plate and extends into the positioning groove, and a fixing hole matching the fixing pin is opened on one side of the positioning block.

[0010] Preferably, the adjusting screw rods are respectively connected to the fixing frame and the U-shaped guide frame through bearings, and one side of the adjusting screw rod extends outside the U-shaped guide frame to be connected to the rotating wheel.

[0011] Preferably, the rotating wheel is fixedly connected to the adjusting screw rod, and an anti-slip rubber sleeve is provided on the outer wall of the rotating wheel.

[0012] Preferably, the movable plate is provided with a threaded hole matching the adjusting screw rod, symmetrically arranged limit blocks are provided on both sides of the movable plate, and the inner wall of the U-shaped guide frame is provided with a guide groove matching the limit blocks.

[0013] The beneficial effects of the utility model are as follows: by arranging a water receiving box 1, a filter screen 1, an overflow port and a delivery pump 1, when the water inside the sand washing pool reaches the overflow port, it will flow into the water receiving box 1, be filtered through the filter screen 1 and then be delivered to the sand washing pool through the delivery pump 1, so that the water can be reused; by arranging a water receiving box 2, a filter screen 2 and a delivery pump 2, when the spiral blades transport the sand, the internal water source can pass through the filter screen 2 into the water receiving box 2, and then be delivered to the sand washing pool through the delivery pump 2, thereby further improving its water-saving performance and reducing water waste; by arranging a limit assembly, it is convenient to disassemble and assemble the docking water tank 2, and convenient for personnel to clean the filter screen 2. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of a water-saving forced separation spiral sand washing machine according to an embodiment of the utility model;

[0016] Figure 2 This is a front view of a water-saving forced separation spiral sand washing machine according to an embodiment of the utility model;

[0017] Figure 3 This is a top view of a water-saving forced separation spiral sand washing machine according to an embodiment of the utility model;

[0018] Figure 4 This is a bottom view of a water-saving forced separation spiral sand washing machine according to an embodiment of the utility model;

[0019] Figure 5 It is a schematic diagram of the structure of a limiting component in a water-saving forced separation spiral sand washing machine according to an embodiment of the utility model;

[0020] Figure 6 yes Figure 5 A local enlarged schematic diagram of the middle A;

[0021] Figure 7 The utility model is a schematic diagram of the structure of a water tank in a water-saving forced separation spiral sand washing machine according to an embodiment of the utility model.

[0022] In the figure:

[0023] 1. Sand washing tank; 2. Mounting frame; 3. Support frame; 4. Rotating shaft; 5. Water receiving box 1; 6. Overflow; 7. Filter 1; 8. Water pump 1; 9. Water pipe 1; 10. Water receiving box 2; 11. Water outlet; 12. Filter 2; 13. Water outlet pipe; 14. Water pump 2; 15. Water pipe 3; 16. Water pipe 4; 17. Discharging pipe; 18. Motor; 19. Sealing pad; 20. Sealing groove; 21. Fixed frame; 22. Positioning groove; 23. Positioning block; 24. U-shaped guide frame; 25. Adjusting screw; 26. Movable plate; 27. Fixing pin; 28. Fixing hole; 29. ​​Rotating wheel; 30. Limiting block; 31. Spiral blade; 32. Water pipe 2. DETAILED DESCRIPTION

[0024] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0025] According to an embodiment of the utility model, a water-saving forced separation spiral sand washing machine is provided.

[0026] Embodiment 1;

[0027] like Figure 1-7As shown, according to the embodiment of the utility model, the water-saving compulsory separation spiral sand washing machine includes a sand washing pool 1, one side of the sand washing pool 1 is provided with a mounting frame 2 which is inclined and communicated with the mounting frame 2, one side of the mounting frame 2 is provided with a supporting frame 3, the mounting frame 2 is provided with a rotating shaft 4 extending into the sand washing pool 1, the outer wall of the rotating shaft 4 is sleeved with a spiral blade 31, the sand washing pool 1 is provided with a water receiving box 5 on the side away from the mounting frame 2, the water receiving box 5 is fixedly connected to the sand washing pool 1, the inner wall of the sand washing pool 1 is provided with an overflow 6 which is communicated with the water receiving box 5, a filter screen 7 is provided in the water receiving box 5 and at the bottom of the overflow 6, a water delivery pump 8 is provided on one side of the sand washing pool 1, the water suction end of the water delivery pump 8 is communicated with the water receiving box 5 through a water pipe 9, and the water delivery end of the water delivery pump 8 is provided with a filter screen extending to the sand washing pool 1. A water pipe 32 at the top of the pool 1, a water receiving box 10 is provided at the bottom of the mounting frame 2, and the water receiving box 10 is connected to the mounting frame 2 through a limit assembly. A water outlet 11 communicating with the water receiving box 10 is opened at the bottom of the mounting frame 2, a filter screen 12 is provided at the top of the water receiving box 10, and a water outlet pipe 13 is provided on one side of the bottom of the water receiving box 10. A water pump 14 is provided on the side of the sand washing pool 1 away from the water pump 8, and the water suction end of the water pump 14 is connected to the water outlet pipe 13 through a water pipe 3 15, and the water outlet end of the water pump 14 is connected to the water receiving box 5 through a water pipe 4 16. A discharge pipe 17 communicating with the mounting frame 2 is provided at the top of the mounting frame 2 and on one side of the water receiving box 10, and one side of the rotating shaft 4 extends to the outside of the mounting frame 2 and is connected to the motor 18.

[0028] Embodiment 2:

[0029] like Figure 1-7As shown, according to the embodiment of the utility model, the water-saving compulsory separation spiral sand washing machine includes a sand washing pool 1, one side of the sand washing pool 1 is provided with a mounting frame 2 which is inclined and communicated with the mounting frame 2, one side of the mounting frame 2 is provided with a supporting frame 3, the mounting frame 2 is provided with a rotating shaft 4 extending into the sand washing pool 1, the outer wall of the rotating shaft 4 is sleeved with a spiral blade 31, the sand washing pool 1 is provided with a water receiving box 5 on the side away from the mounting frame 2, the water receiving box 5 is fixedly connected to the sand washing pool 1, the inner wall of the sand washing pool 1 is provided with an overflow 6 which is communicated with the water receiving box 5, a filter screen 7 is provided in the water receiving box 5 and at the bottom of the overflow 6, a water delivery pump 8 is provided on one side of the sand washing pool 1, the water suction end of the water delivery pump 8 is communicated with the water receiving box 5 through a water pipe 9, and the water delivery end of the water delivery pump 8 is provided with a filter screen extending to the sand washing pool 1. A water pipe 32 at the top of the pool 1, a water receiving box 10 is provided at the bottom of the mounting frame 2, and the water receiving box 10 is connected to the mounting frame 2 through a limit assembly. A water outlet 11 communicating with the water receiving box 10 is opened at the bottom of the mounting frame 2, a filter screen 12 is provided at the top of the water receiving box 10, and a water outlet pipe 13 is provided on one side of the bottom of the water receiving box 10. A water pump 14 is provided on the side of the sand washing pool 1 away from the water pump 8, and the water suction end of the water pump 14 is connected to the water outlet pipe 13 through a water pipe 3 15, and the water outlet end of the water pump 14 is connected to the water receiving box 5 through a water pipe 4 16. A discharge pipe 17 communicating with the mounting frame 2 is provided at the top of the mounting frame 2 and on one side of the water receiving box 10, and one side of the rotating shaft 4 extends to the outside of the mounting frame 2 and is connected to the motor 18. A sealing gasket 19 is disposed at the top of the water receiving box 10 , and a sealing groove 20 matching the sealing gasket 19 is opened at the bottom of the mounting frame 2 .When the sand washing machine is working, put the sand into the sand washing pool 1, add water, start the motor 18 to drive the rotating shaft 4 to rotate, and the rotating shaft 4 drives the spiral blade 31 to rotate to stir and wash the sand. When the water in the sand washing pool 1 reaches the overflow 6, the water will flow into the water receiving box 1 5 through the overflow 6. The water entering the water receiving box 1 5 will be filtered by the filter screen 1 7, and then the water delivery pump 1 8 will be started to discharge the water in the water receiving box 1 5 to the sand washing pool 1 through the water pipe 1 9 and the water pipe 2 32. The spiral blade 31 stirs the sand and transports it at the same time. When the sand enters the mounting frame 2 with the spiral blade 31, the water in the sand will be filtered through the filter screen 2 12 and enter the receiving In the water tank 10, start the water delivery pump 2 14 to discharge the water to the water receiving tank 1 5 through the water pipe 3 15 and the water pipe 4 16. By setting the water receiving tank 1, the filter screen 1, the overflow and the delivery pump 1, when the water inside the sand washing pool reaches the overflow, it will flow into the water receiving tank 1, be filtered by the filter screen 1, and then be delivered to the sand washing pool by the delivery pump 1, so that the water can be reused. By setting the water receiving tank 2, the filter screen 2 and the delivery pump 2, when the spiral blades transport the sand, the internal water source can pass through the filter screen 2 into the water receiving tank 2, and then be delivered to the sand washing pool by the delivery pump 2. The water is further improved in water-saving performance and reduced in water waste.

[0030] Embodiment three;

[0031] like Figure 1-7As shown, according to the embodiment of the utility model, the water-saving compulsory separation spiral sand washing machine includes a sand washing pool 1, one side of the sand washing pool 1 is provided with a mounting frame 2 which is inclined and communicated with the mounting frame 2, one side of the mounting frame 2 is provided with a supporting frame 3, the mounting frame 2 is provided with a rotating shaft 4 extending into the sand washing pool 1, the outer wall of the rotating shaft 4 is sleeved with a spiral blade 31, the sand washing pool 1 is provided with a water receiving box 5 on the side away from the mounting frame 2, the water receiving box 5 is fixedly connected to the sand washing pool 1, the inner wall of the sand washing pool 1 is provided with an overflow 6 which is communicated with the water receiving box 5, a filter screen 7 is provided in the water receiving box 5 and at the bottom of the overflow 6, a water delivery pump 8 is provided on one side of the sand washing pool 1, the water suction end of the water delivery pump 8 is communicated with the water receiving box 5 through a water pipe 9, and the water delivery end of the water delivery pump 8 is provided with a filter screen extending to the sand washing pool 1. A water pipe 32 at the top of the pool 1, a water receiving box 10 is provided at the bottom of the mounting frame 2, and the water receiving box 10 is connected to the mounting frame 2 through a limit assembly. A water outlet 11 communicating with the water receiving box 10 is opened at the bottom of the mounting frame 2, a filter screen 12 is provided at the top of the water receiving box 10, and a water outlet pipe 13 is provided on one side of the bottom of the water receiving box 10. A water pump 14 is provided on the side of the sand washing pool 1 away from the water pump 8, and the water suction end of the water pump 14 is connected to the water outlet pipe 13 through a water pipe 3 15, and the water outlet end of the water pump 14 is connected to the water receiving box 5 through a water pipe 4 16. A discharge pipe 17 communicating with the mounting frame 2 is provided at the top of the mounting frame 2 and on one side of the water receiving box 10, and one side of the rotating shaft 4 extends to the outside of the mounting frame 2 and is connected to the motor 18. The limiting assembly includes a symmetrically arranged fixing frame 21 at the bottom end of the mounting frame 2 and located on both sides of the water outlet 11, a symmetrically arranged positioning groove 22 is provided on one side of the fixing frame 21, a positioning block 23 matching the positioning groove 22 is provided on the water receiving box 10, a U-shaped guide frame 24 is provided on the side of the fixing frame 21 away from the positioning groove 22, an adjusting screw rod 25 is provided in the U-shaped guide frame 24, a movable plate 26 is sleeved on the outer wall of the adjusting screw rod 25, a fixing pin 27 symmetrically arranged and extending into the positioning groove 22 is provided on one side of the movable plate 26, and a fixing hole 28 matching the fixing pin 27 is provided on one side of the positioning block 23. The adjusting screw rod 25 is respectively connected to the fixing frame 21 and the U-shaped guide frame 24 through bearings, and one side of the adjusting screw rod 25 extends to the outside of the U-shaped guide frame 24 and is connected to a rotating wheel 29. The rotating wheel 29 is fixedly connected to the adjusting screw rod 25, and a non-slip rubber sleeve is sleeved on the outer wall of the rotating wheel 29. The movable plate 26 is provided with a threaded hole matching the adjusting screw rod 25 , and symmetrically arranged limit blocks 30 are provided on both sides of the movable plate 26 . The inner wall of the U-shaped guide frame 24 is provided with a guide groove matching the limit blocks 30 .When it is necessary to clean the filter screen 21, the personnel can rotate the rotating wheel 29 to drive the adjusting screw 25 to rotate. Since the adjusting screw 25 is threadedly connected to the movable plate 26, and the movable plate 26 is limited by the limit block 30 and the guide groove and cannot rotate, when the adjusting screw 25 rotates, it will drive the movable plate 26 to move, and the movable plate 26 drives the fixing pin 27 to disengage from the fixing hole 28 on the positioning block 23. At this time, the limit of the water tank 2 10 and the mounting frame 2 is released, and it can be removed. By setting the limit assembly, it is convenient for the water tank 2 to be disassembled and assembled, and it is convenient for personnel to clean the filter screen 2.

[0032] In actual application, after putting sand into the sand washing pool 1 and adding water, the motor 18 is started to drive the rotating shaft 4 to rotate, and the rotating shaft 4 drives the spiral blade 31 to rotate to stir and wash the sand. When the water in the sand washing pool 1 reaches the overflow 6, the water will flow into the water receiving box 1 5 through the overflow 6. The water entering the water receiving box 1 5 will be filtered by the filter screen 1 7, and then the water delivery pump 1 8 is started to discharge the water in the water receiving box 1 5 to the sand washing pool 1 through the water pipe 1 9 and the water pipe 2 32. The spiral blade 31 stirs the sand and also transports it. When the sand enters the mounting frame 2 with the spiral blades 31, the water in the sand will be filtered through the filter screen 12 and enter the water receiving box 10. The water delivery pump 2 14 is started and discharged to the water receiving box 1 5 through the water pipe 3 15 and the water pipe 4 16. By setting the water receiving box 1, the filter screen 1, the overflow and the delivery pump 1, when the water in the sand washing pool reaches the overflow, it will flow into the water receiving box 1, be filtered through the filter screen 1, and then be discharged through the delivery pump 1. The water can be transported to the sand washing pool so that the water can be reused. By setting the water receiving box 2, the filter screen 2 and the delivery pump 2, when the spiral blade transports the sand, the internal water source can pass through the filter screen 2 into the water receiving box 2, and then be transported to the sand washing pool by the delivery pump 2, so as to further improve its water-saving performance and reduce water waste. When the filter screen 12 needs to be cleaned, the personnel can rotate the rotating wheel 29 to drive the adjusting screw rod 25 to rotate. Since the adjusting screw rod 25 is threadedly connected with the movable plate 26, and the movable plate 26 is limited by the limit block 30 and the guide groove and cannot rotate, when the adjusting screw rod 25 rotates, it will drive the movable plate 26 to move, and the movable plate 26 drives the fixing pin 27 to disengage from the fixing hole 28 on the positioning block 23. At this time, the limit of the water receiving box 10 and the mounting frame 2 is released, and it can be removed. By setting the limit assembly, it is convenient to disassemble and assemble the docking water tank 2, which is convenient for personnel to clean the filter screen 2.

[0033] To summarize, with the aid of the above-mentioned technical scheme of the utility model, by arranging a water receiving box 1, a filter screen 1, an overflow port and a delivery pump 1, when the water inside the sand washing pool reaches the overflow port, it will flow into the water receiving box 1, be filtered through the filter screen 1, and then be delivered to the sand washing pool through the delivery pump 1, so that the water can be reused; by arranging a water receiving box 2, a filter screen 2 and a delivery pump 2, when the spiral blades transport the sand, the internal water source can pass through the filter screen 2 into the water receiving box 2, and then be delivered to the sand washing pool through the delivery pump 2, thereby further improving its water-saving performance and reducing water waste; by arranging a limit assembly, it is convenient to disassemble and assemble the docking water tank 2, and convenient for personnel to clean the filter screen 2.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. 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 water-saving forced separation spiral sand washing machine, characterized in that: The invention comprises a sand washing pool (1), wherein a mounting frame (2) which is arranged obliquely and communicated with the sand washing pool (1) is provided on one side of the sand washing pool (1), a supporting frame (3) is provided on one side of the mounting frame (2), a rotating shaft (4) which extends into the sand washing pool (1) is provided in the mounting frame (2), a spiral blade (31) is sleeved on the outer wall of the rotating shaft (4), a water receiving box (5) is provided on the side of the sand washing pool (1) away from the mounting frame (2), and the water receiving box (5) is fixed to the sand washing pool (1). The sand washing pool (1) is connected to the water receiving box (5) by a fixed connection, the inner wall of the sand washing pool (1) is provided with an overflow (6) which is communicated with the water receiving box (5), the water receiving box (5) is provided with a filter (7) at the bottom of the overflow (6), a water delivery pump (8) is provided on one side of the sand washing pool (1), the water suction end of the water delivery pump (8) is connected with the water receiving box (5) through a water pipe (9), and the water delivery end of the water delivery pump (8) is provided with a water pipe (32) extending to the top of the sand washing pool (1), A water receiving box (10) is provided at the bottom of the mounting frame (2), and the water receiving box (10) is connected to the mounting frame (2) through a limit assembly. A water outlet (11) communicating with the water receiving box (10) is provided at the bottom of the mounting frame (2). A filter screen (12) is provided at the top of the water receiving box (10). A water outlet pipe (13) is provided at one side of the bottom of the water receiving box (10). A water delivery pump is provided at the side of the sand washing pool (1) away from the water delivery pump (8). The water supply pump (14) is connected to the water outlet pipe (13) through a water pipe (15), and the water outlet pipe (14) is connected to the water receiving box (5) through a water pipe (16). A discharge pipe (17) communicating with the mounting frame (2) is provided at the top of the mounting frame (2) and located on one side of the water receiving box (10). One side of the rotating shaft (4) extends to the outside of the mounting frame (2) and is connected to a motor (18).

2. A water-saving forced separation spiral sand washing machine according to claim 1, characterized in that: The top end of the second water receiving box (10) is provided with a sealing gasket (19), and the bottom end of the mounting frame (2) is provided with a sealing groove (20) matching the sealing gasket (19).

3. A water-saving forced separation spiral sand washing machine according to claim 1, characterized in that: The limiting assembly comprises a symmetrically arranged fixing frame (21) at the bottom end of the mounting frame (2) and located on both sides of the water outlet (11); a symmetrically arranged positioning groove (22) is provided on one side of the fixing frame (21); a positioning block (23) matching the positioning groove (22) is provided on the second water receiving box (10); a U-shaped guide frame (24) is provided on the side of the fixing frame (21) away from the positioning groove (22); an adjusting screw rod (25) is provided in the U-shaped guide frame (24); a movable plate (26) is sleeved on the outer wall of the adjusting screw rod (25); a fixing pin (27) symmetrically arranged and extending into the positioning groove (22) is provided on one side of the movable plate (26); a fixing hole (28) matching the fixing pin (27) is provided on one side of the positioning block (23).

4. A water-saving forced separation spiral sand washing machine according to claim 3, characterized in that: The adjusting screw rod (25) is respectively connected to the fixing frame (21) and the U-shaped guide frame (24) through bearings, and one side of the adjusting screw rod (25) extends outside the U-shaped guide frame (24) and is connected to a rotating wheel (29).

5. A water-saving forced separation spiral sand washing machine according to claim 4, characterized in that: The rotating wheel (29) is fixedly connected to the adjusting screw rod (25), and the outer wall of the rotating wheel (29) is covered with an anti-slip rubber sleeve.

6. A water-saving forced separation spiral sand washing machine according to claim 3, characterized in that: The movable plate (26) is provided with a threaded hole matching the adjusting screw rod (25), symmetrically arranged limit blocks (30) are provided on both sides of the movable plate (26), and the inner wall of the U-shaped guide frame (24) is provided with a guide groove matching the limit blocks (30).

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