A casting waste sand regeneration dewatering screen

Abstract

The present invention relates to the technical field of casting waste sand processing equipment, and discloses a casting waste sand regeneration dehydration sieve, which includes a dehydration sieve, a vibrator and an inspection machine. By setting the vibrator, the exciting force can be adjusted, without the need for manual disassembly and repeated adjustment, saving time and effort. By setting the inspection machine, the state of the dehydration sieve can be pre-detected, and at the same time, the dehydration sieve can be adaptively adjusted according to the detected signal, avoiding long-term shutdown adjustment. By setting the inspection machine and the vibrator to be linked, the adaptive adjustment of the dehydration sieve can be realized. When the screened casting waste sand tilts to one side, the tilt position can be detected by a pneumatic sensor, and the magnitude of the exciting force of the vibrator on one side can be accurately adjusted. It can also control the exciting force on one side to straighten the casting waste sand after tilting when the dehydration sieve itself tilts, and continue to maintain the dehydration of the casting waste sand.

Description

Technical Field

[0001] The present invention relates to the technical field of foundry waste sand processing equipment, and specifically relates to a foundry waste sand regeneration dewatering screen. Background Art

[0002] During the foundry production process, a large amount of waste sand is generated. This waste sand is usually left over after molding materials go through processes such as melting and pouring, and it contains a large amount of binders, additives, and some metal debris and other impurities. The screen surface of the dewatering screen is one of the key components, usually made of materials such as stainless steel woven wire mesh, perforated screen plates, or polyurethane screen plates. There are sieve holes of a certain size distributed on the screen surface, and the size of these sieve holes is selected according to the particle size requirements of the waste sand. When the waste sand is placed on the screen surface, particles larger than the sieve hole size will remain on the screen surface, while particles smaller than the sieve hole size (such as some fine sand, dust, and impurities) can fall through the sieve holes to achieve preliminary screening.

[0003] Therefore, based on the existing foundry waste sand regeneration dewatering screen, two vibration motors are used to generate exciting forces to screen the foundry waste sand during the actual working process. However, for foundry waste sand of different qualities, different exciting forces are required, and precise adjustment of the eccentric blocks on the vibration motors is needed to achieve effective screening. The existing method of adjusting the eccentric blocks is time-consuming and laborious by manual disassembly and adjustment. At the same time, when the dewatering screen malfunctions after long-term use and the foundry waste sand inside the dewatering screen shifts to one side, the staff cannot precisely adjust the eccentric blocks of the two vibration motors to make it continue to work. For this reason, we propose a foundry waste sand regeneration dewatering screen. Summary of the Invention

[0004] In view of the deficiencies of the prior art, the present invention provides a foundry waste sand regeneration dewatering screen, which has the advantages of self-adjustment and self-inspection, and solves a series of problems such as slow adjustment of the exciting force of the dewatering screen, time-consuming, and laborious.

[0005] To achieve the above object, the present invention provides the following technical solution: A foundry waste sand regeneration dewatering screen, including,

[0006] A dewatering screen, the dewatering screen includes a dewatering shell and a screen mesh;

[0007] A vibrator, the vibrator includes two double-shaft motors fixedly installed on the top of the dewatering shell. Fixed eccentric blocks are fixedly sleeved on the two output ends of the two double-shaft motors. One side of the fixed eccentric block is fixedly connected to a sleeve. The sleeve is fixedly sleeved outside the output end of the double-shaft motor. An adjustable eccentric block is rotatably connected to the outside of the sleeve. A wedge-shaped block is slidably connected to the outside of the sleeve. The wedge-shaped block is adapted to the adjustable eccentric block. An adjustment tooth is provided on one side of the adjustable eccentric block. An adjustment ring is movably connected to one side of the adjustable eccentric block. The adjustment ring is adapted to the adjustment tooth;

[0008] Inspection machine, the inspection machine includes an inspection shell fixedly connected inside the dehydration shell, and an inspection sieve is slidably clamped inside the inspection shell.

[0009] Preferably, the vibrating machine further includes a mounting plate fixedly connected to the top of the dehydration shell, two of the double-shaft motors are fixedly installed on the top of the adjacent mounting plate, the output ends of the two double-shaft motors are both screwed with anti-rust shells, one side of the inner wall of the anti-rust shell is fixedly connected with a hydraulic rod, one side of the inner wall of the anti-rust shell is fixedly connected with a hydraulic ring, one side of the inner wall of the anti-rust shell is fixedly installed with a hydraulic pump, the two output ends of the hydraulic pump are both communicated with the hydraulic rod and the hydraulic ring, and the sleeve is fixedly sleeved outside the output end of the double-shaft motor.

[0010] Preferably, the telescopic end of the hydraulic rod is fixedly connected with a second driven ring, one end of the second driven ring is rotatably connected with a first driven ring, one side of the first driven ring is fixedly connected with a spring, the wedge-shaped block is fixedly connected to one end of the spring, a wedge-shaped groove is opened on one side of the movable eccentric block, and the wedge-shaped groove is adapted to the wedge-shaped block.

[0011] Preferably, the telescopic end of the hydraulic ring is fixedly connected with a rotating ring, the adjusting ring is rotatably connected inside the rotating ring, a fixing plate is fixedly connected inside the rotating ring, a driving motor is fixedly connected to the top of the fixing plate, the output end of the driving motor is fixedly connected with a gear, a toothed ring is fixedly connected to one side of the adjusting ring, the gear is engaged with the toothed ring, and a bolt is screwed outside the fixed eccentric block.

[0012] Preferably, the inspection machine further includes an inspection shell rotatably connected inside the feeding roller, four inspection air bags are fixedly connected to the bottom of the inner wall of the inspection shell, a pressure sensor is fixedly installed on one side of the inspection air bag, and the detection end of the pressure sensor extends into the inspection air bag.

[0013] Preferably, one side of the inspection shell is fixedly connected with a protective shell, a feeding motor is fixedly installed inside the protective shell, the output end of the feeding motor is fixedly connected with one side of the feeding roller, a level gauge is fixedly installed on the top of the inspection shell, a diversion plate is fixedly connected to the bottom of the inspection sieve, diversion holes are opened at the bottom of the diversion plate, a water level sensor is fixedly installed on one side of the inner wall of the diversion plate, foundry waste sand is arranged inside the inspection shell, and water is arranged inside the inspection shell.

[0014] Preferably, the dehydration sieve further includes a mounting frame, a collecting shell is fixedly connected inside the mounting frame, the dehydration shell is fixedly connected to the top of the mounting frame, a splash guard is fixedly connected to the bottom of the dehydration shell, the splash guard is adapted to the collecting shell, and the screen is slidably clamped inside the dehydration shell.

[0015] Preferably, one side of the dehydration shell is fixedly connected with a sand guide plate, and the top of the dehydration shell is fixedly connected with a water spray pipe.

[0016] Compared with the prior art, the present invention provides a casting waste sand regeneration dehydration screen, which has the following beneficial effects:

[0017] 1. The dehydration screen provided by the invention can effectively dehydrate the casting waste sand. The vibrator can adjust the exciting force, eliminating the need for manual disassembly and repeated adjustment, saving time and effort. The inspection machine can pre-detect the state of the dehydration screen and adaptively adjust the dehydration screen according to the detected signal, avoiding long-term shutdown for adjustment.

[0018] 2. The linkage between the inspection machine and the vibrator enables the self-adaptive adjustment of the dehydration screen. When the screened casting waste sand tilts to one side, the inclination position can be detected by the air pressure sensor, and the exciting force of the vibrator on that side can be accurately adjusted. When the dehydration screen itself tilts, the exciting force on one side can be controlled to correct the tilt of the casting waste sand and continue to dehydrate the casting waste sand. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional structure diagram of the present invention;

[0020] Figure 2 is a three-dimensional structure diagram of another perspective of the present invention;

[0021] Figure 3 is an exploded view of the dehydration screen of the present invention;

[0022] Figure 4 is a three-dimensional structure diagram inside the vibrator of the present invention;

[0023] Figure 5 is a three-dimensional structure diagram of the wedge block part of the present invention;

[0024] Figure 6 is a three-dimensional structure diagram of the gear ring part of the present invention;

[0025] Figure 7 is a three-dimensional structure diagram of the inspection machine part of the present invention;

[0026] Figure 8 is a three-dimensional structure diagram of the feeding roller part of the present invention;

[0027] Figure 9 is Figure 8 an enlarged structure diagram of part A of

[0028] In the figure: 1. Dewatering screen; 2. Vibrator; 3. Inspection machine; 4. Dewatering shell; 5. Double-shaft motor; 6. Fixed eccentric block; 7. Movable eccentric block; 8. Wedge-shaped groove; 9. Wedge-shaped block; 10. Hydraulic rod; 11. Hydraulic ring; 12. Hydraulic pump; 13. Rotating ring; 14. Adjusting ring; 15. Adjusting tooth; 16. Fixed plate; 17. Driving motor; 18. Gear; 19. Tooth ring; 20. Spring; 21. First driven ring; 22. Second driven ring; 23. Sleeve; 24. Bolt; 25. Rust-proof shell; 26. Mounting plate; 27. Inspection shell; 28. Feeding roller; 29. Feeding motor; 30. Protective shell; 31. Level gauge; 32. Inspection screen; 33. Inspection airbag; 34. Pressure sensor; 35. Deflector; 36. Water level sensor; 37. Drainage hole; 38. Mounting frame; 39. Collection shell; 40. Splash guard; 41. Sand guide plate; 42. Water spray pipe; 43. Screen mesh. Detailed implementation manner

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] As introduced in the background art, there are deficiencies in the prior art. To solve the above technical problems, the present application proposes a casting waste sand regeneration dewatering screen.

[0031] In a typical implementation manner of the present application, as Figures 1-9 shown, a casting waste sand regeneration dewatering screen includes

[0032] a dewatering screen 1, the dewatering screen 1 includes a dewatering shell 4 and a screen mesh 43. The dewatering screen 1 further includes a mounting frame 38 placed on the ground. A collection shell 39 is fixedly connected inside the mounting frame 38. The dewatering shell 4 is fixedly connected to the top of the mounting frame 38. A splash guard 40 is fixedly connected to the bottom of the dewatering shell 4. The splash guard 40 is adapted to the collection shell 39. The screen mesh 43 is slidably clamped inside the dewatering shell 4. A sand guide plate 41 is fixedly connected to one side of the dewatering shell 4. A water spray pipe 42 is fixedly connected to the top of the dewatering shell 4;

[0033] a vibrator 2, the vibrator 2 includes two double-shaft motors 5 fixedly installed on the top of the dewatering shell 4. Fixed eccentric blocks 6 are fixedly sleeved on the two output ends of the two double-shaft motors 5. A sleeve 23 is fixedly connected to one side of the fixed eccentric block 6. The sleeve 23 is fixedly sleeved outside the output end of the double-shaft motor 5. A movable eccentric block 7 is rotatably connected to the outside of the sleeve 23;

[0034] With the above-described structure, dehydration of the foundry waste sand can be achieved. Specifically, when the foundry waste sand is conveyed from the left side of the dehydration shell 4 to the inside of the dehydration shell 4, the water spray pipe 42 is started at this time. The water spray pipe 42 flushes the foundry waste sand inside the dehydration shell 4. At the same time, the vibrator 2 is started, and the two double-shaft motors 5 are started to drive the fixed eccentric block 6 and the movable eccentric block 7 to rotate, thereby generating an exciting force. While dehydrating the foundry waste sand, it drives the foundry waste sand on the top of the screen 43 to move to the right side of the dehydration shell 4 and is output through the sand guide plate 41. The splash guard 40 provided can prevent splashing of the liquid for flushing the foundry waste sand, and stably pour the liquid into the inside of the collection shell 39 for recycling treatment.

[0035] A wedge block 9 is slidably connected to the outside of the sleeve 23. The wedge block 9 is adapted to the movable eccentric block 7. An adjusting tooth 15 is provided on one side of the movable eccentric block 7. An adjusting ring 14 is movably connected to one side of the movable eccentric block 7. The adjusting ring 14 is adapted to the adjusting tooth 15.

[0036] The vibrator 2 further includes a mounting plate 26 fixedly connected to the top of the dehydration shell 4. The two double-shaft motors 5 are both fixedly installed on the top of the adjacent mounting plate 26. The output ends of the two double-shaft motors 5 are both screwed with an anti-rust shell 25. One side of the inner wall of the anti-rust shell 25 is fixedly connected with a hydraulic rod 10. One side of the inner wall of the anti-rust shell 25 is fixedly connected with a hydraulic ring 11. A hydraulic pump 12 is fixedly installed on one side of the inner wall of the anti-rust shell 25. The two output ends of the hydraulic pump 12 are both communicated with the hydraulic rod 10 and the hydraulic ring 11. The sleeve 23 is fixedly sleeved on the outside of the output end of the double-shaft motor 5.

[0037] The telescopic end of the hydraulic rod 10 is fixedly connected with a second driven ring 22. One end of the second driven ring 22 is rotatably connected with a first driven ring 21. One side of the first driven ring 21 is fixedly connected with a spring 20. The wedge block 9 is fixedly connected to one end of the spring 20. A wedge groove 8 is provided on one side of the movable eccentric block 7. The wedge groove 8 is adapted to the wedge block 9.

[0038] The telescopic end of the hydraulic ring 11 is fixedly connected with a rotating ring 13. The adjusting ring 14 is rotatably connected inside the rotating ring 13. A fixing plate 16 is fixedly connected to the inside of the rotating ring 13. A driving motor 17 is fixedly connected to the top of the fixing plate 16. The output end of the driving motor 17 is fixedly connected with a gear 18. A toothed ring 19 is fixedly connected to one side of the adjusting ring 14. The gear 18 meshes with the toothed ring 19. A bolt 24 is screwed on the outside of the fixed eccentric block 6.

[0039] With the above-described structure, the exciting force output by the vibrator 2 can be adjusted. Specifically, when it is necessary to adjust the exciting force output by the vibrator 2, the hydraulic pump 12 is started at this time. The hydraulic pump 12 pumps the hydraulic oil inside the hydraulic rod 10 into the inside of the hydraulic ring 11. At this time, the telescopic end of the hydraulic rod 10 retracts, and the telescopic end of the hydraulic ring 11 extends.

[0040] The retraction of the telescopic end of the hydraulic rod 10 drives the second driven ring 22 to move. The movement of the second driven ring 22 drives the first driven ring 21 to move. The movement of the first driven ring 21 drives the spring 20 to move. The movement of the spring 20 drives the wedge block 9 to move, and the wedge block 9 separates from the wedge groove 8;

[0041] The extension of the telescopic end of the hydraulic ring 11 drives the rotating ring 13 to move. The movement of the rotating ring 13 drives the adjusting ring 14 to move and engage with the adjusting teeth 15 on one side of the adjacent movable eccentric block 7. At this time, the driving motor 17 is started. The rotation of the output end of the driving motor 17 drives the gear 18 to rotate. The rotation of the gear 18 drives the toothed ring 19 to rotate. The rotation of the toothed ring 19 drives the adjusting ring 14 to rotate. The rotation of the adjusting ring 14 drives the movable eccentric block 7 to rotate outside the sleeve 23 to adjust the exciting force of the vibrating machine 2;

[0042] After the adjustment is completed, the hydraulic pump 12 is started in the reverse direction. The telescopic end of the hydraulic rod 10 extends, and the telescopic end of the hydraulic ring 11 retracts, so that the adjusting ring 14 gradually separates from the adjusting teeth 15, and the wedge block 9 gradually abuts against the wedge groove 8;

[0043] More specifically, when the double-shaft motor 5 is started to work, at this time, the output end of the double-shaft motor 5 drives the fixed eccentric block 6 to rotate. The rotation of the fixed eccentric block 6 drives the sleeve 23 to rotate. The rotation of the sleeve 23 drives the wedge block 9 to rotate. The rotation of the wedge block 9 drives the movable eccentric block 7 to rotate, realizing the generation of the exciting force of the vibrating machine 2. During this process, the rotation of the wedge block 9 drives the spring 20 to rotate. The rotation of the spring 20 drives the first driven ring 21 to rotate at one end of the second driven ring 22, without affecting the hydraulic rod 10;

[0044] It is worth mentioning that through the arranged wedge groove 8, wedge block 9 and spring 20, the movable eccentric block 7 can be fixed steplessly, improving the working life of the vibrating machine 2 and preventing the movable eccentric block 7 from rotating outside the sleeve 23 when the double-shaft motor 5 is working.

[0045] The inspection machine 3, the inspection machine 3 includes an inspection shell 27 fixedly connected inside the dehydration shell 4. A inspection sieve 32 is slidably clamped inside the inspection shell 27. The inspection machine 3 also includes an inspection shell 27 rotatably connected inside the feeding roller 28. Four inspection air bags 33 are fixedly connected to the bottom of the inner wall of the inspection shell 27. A pressure sensor 34 is fixedly installed on one side of the inspection air bag 33. The detection end of the pressure sensor 34 extends into the inspection air bag 33;

[0046] One side of the inspection shell 27 is fixedly connected with a protective shell 30. Inside the protective shell 30, a feeding motor 29 is fixedly installed. The output end of the feeding motor 29 is fixedly connected with one side of the feeding roller 28. On the top of the inspection shell 27, a level gauge 31 is fixedly installed. At the bottom of the inspection sieve 32, a diversion plate 35 is fixedly connected. At the bottom of the diversion plate 35, diversion holes 37 are provided. On one side of the inner wall of the diversion plate 35, a water level sensor 36 is fixedly installed. Inside the inspection shell 27, there is foundry waste sand, and there is water inside the inspection shell 27;

[0047] Further, in the above solution, through the above-mentioned structure set, the state of the dewatering screen 1 can be pre-detected, and at the same time, the dewatering screen 1 can be adaptively adjusted according to the detected signal, avoiding long-term shutdown adjustment. Specifically, before a batch of foundry waste sand needs to be dewatered and screened, a small part of the foundry waste sand and water can be put into the inspection shell 27. At this time, start the vibrator 2 and start the feeding motor 29. The output end of the feeding motor 29 rotates to drive the feeding roller 28 to rotate. At this time, the foundry waste sand and water inside the inspection shell 27 are conveyed to the top of the inspection sieve 32 through the feeding roller 28, and the foundry waste sand is dewatered and screened by the exciting force generated by the vibrator 2;

[0048] When the dewatered foundry waste sand after screening is not thoroughly dewatered, at this time, the exciting force drives the foundry waste sand to move forward quickly, resulting in incomplete dewatering. A large amount of liquid flows through the inspection sieve 32 to one side of the diversion plate 35 and flows to the bottom of the inner wall of the inspection shell 27 through the diversion holes 37. When the water level sensor 36 inside the diversion plate 35 on the right side of the inspection sieve 32 detects liquid, it means that there is still a large amount of liquid not screened out at the output port of the inspection sieve 32, and the liquid cannot be discharged through the diversion holes 37. At this time, the exciting force of the vibrator 2 can be adjusted until the water level sensor 36 inside the diversion plate 35 on the right side of the inspection sieve 32 does not detect liquid, and the adjustment of the vibrator 2 is completed.

[0049] When the dewatered foundry waste sand after screening inclines to one side, at this time, the inclined foundry waste sand on the top of the inspection sieve 32 falls on the tops of the four inspection air bags 33 respectively and squeezes the corresponding inspection air bags 33. At the same time, the air pressure sensor 34 detects the air pressure inside the adjacent inspection air bags 33, and precisely adjusts the side with large or small exciting force;

[0050] It is worth mentioning that when the dewatering screen 1 inclines, the foundry waste sand will also incline to one side. At this time, through the level gauge 31 set, it can be detected whether the dewatering screen 1 inclines. When the inclination angle of the dewatering screen 1 is small, the foundry waste sand can also be corrected after inclination by controlling the exciting force on one side, and the dewatering of the foundry waste sand can continue to be maintained, and then maintenance can be carried out later.

[0051] Working principle of the present invention: Before dehydrating and screening a batch of casting waste sand, a small portion of the casting waste sand and water can be placed inside the inspection shell 27. At this time, start the vibrator 2 and the feeding motor 29. The output end of the feeding motor 29 rotates to drive the feeding roller 28 to rotate. At this time, the casting waste sand and water inside the inspection shell 27 are conveyed to the top of the inspection screen 32 through the feeding roller 28, and the casting waste sand is dehydrated and screened by the exciting force generated by the vibrator 2.

[0052] When the dehydrated casting waste sand after screening is not thoroughly dehydrated, at this time, the exciting force drives the casting waste sand to move forward quickly, resulting in incomplete dehydration. A large amount of liquid flows through the inspection screen 32 to one side of the guide plate 35 and flows to the bottom of the inner wall of the inspection shell 27 through the guide hole 37. When the water level sensor 36 inside the guide plate 35 on the right side of the inspection screen 32 detects liquid, it means that there is still a large amount of liquid not screened out at the output port of the inspection screen 32, and the liquid cannot be discharged through the guide hole 37. At this time, the exciting force of the vibrator 2 can be adjusted until the water level sensor 36 inside the guide plate 35 on the right side of the inspection screen 32 does not detect liquid, and the adjustment of the vibrator 2 is completed.

[0053] When the dehydrated casting waste sand after screening tilts to one side, at this time, the casting waste sand tilted on the top of the inspection screen 32 falls on the tops of the four inspection air bags 33 respectively and squeezes the corresponding inspection air bags 33. At the same time, the air pressure sensor 34 detects the air pressure inside the adjacent inspection air bags 33. At this time, the side with too large or too small exciting force can be accurately adjusted.

[0054] When the vibrator 2 needs to be adjusted, at this time, start the hydraulic pump 12. The hydraulic pump 12 pumps the hydraulic oil inside the hydraulic rod 10 into the inside of the hydraulic ring 11. At this time, the telescopic end of the hydraulic rod 10 retracts, and the telescopic end of the hydraulic ring 11 extends.

[0055] The retraction of the telescopic end of the hydraulic rod 10 drives the second driven ring 22 to move. The movement of the second driven ring 22 drives the first driven ring 21 to move. The movement of the first driven ring 21 drives the spring 20 to move. The movement of the spring 20 drives the wedge block 9 to move, and the wedge block 9 separates from the wedge groove 8.

[0056] The extension of the telescopic end of the hydraulic ring 11 drives the rotating ring 13 to move. The movement of the rotating ring 13 drives the adjusting ring 14 to move and meshes with the adjusting teeth 15 on one side of the adjacent movable eccentric block 7. At this time, start the drive motor 17. The output end of the drive motor 17 rotates to drive the gear 18 to rotate. The rotation of the gear 18 drives the toothed ring 19 to rotate. The rotation of the toothed ring 19 drives the adjusting ring 14 to rotate. The rotation of the adjusting ring 14 drives the movable eccentric block 7 to rotate outside the sleeve 23 to adjust the exciting force of the vibrator 2.

[0057] After the adjustment is completed, reverse-start the hydraulic pump 12. The telescopic end of the hydraulic rod 10 extends, and the telescopic end of the hydraulic ring 11 retracts, causing the adjusting ring 14 to gradually separate from the adjusting tooth 15, and the wedge block 9 to gradually abut against the wedge groove 8.

[0058] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A regenerative dehydration sieve for foundry waste sand, characterized in that: Including, a dewatering screen (1), the dewatering screen (1) including a dewatering shell (4) and a screen mesh (43); a vibrating machine (2), the vibrating machine (2) including two double-shaft motors (5) fixedly installed on the top of the dewatering shell (4), two output ends of the two double-shaft motors (5) being fixedly sleeved with fixed eccentric blocks (6), one side of the fixed eccentric block (6) being fixedly connected with a sleeve (23), the sleeve (23) being fixedly sleeved outside the output end of the double-shaft motor (5), an active eccentric block (7) being rotatably connected to the outside of the sleeve (23), a wedge block (9) being slidably connected to the outside of the sleeve (23), the wedge block (9) being adapted to the active eccentric block (7), an adjustment tooth (15) being provided on one side of the active eccentric block (7), an adjustment ring (14) being movably connected to one side of the active eccentric block (7), the adjustment ring (14) being adapted to the adjustment tooth (15); an inspection machine (3), the inspection machine (3) including an inspection shell (27) fixedly connected to the inside of the dewatering shell (4), an inspection screen (32) being slidably clamped inside the inspection shell (27); The vibrating machine (2) further includes a mounting plate (26) fixedly connected to the top of the dewatering shell (4), the two double-shaft motors (5) being fixedly installed on the top of the adjacent mounting plate (26), rust-proof shells (25) being screwed onto the output ends of the two double-shaft motors (5), a hydraulic rod (10) being fixedly connected to one side of the inner wall of the rust-proof shell (25), a hydraulic ring (11) being fixedly connected to one side of the inner wall of the rust-proof shell (25), a hydraulic pump (12) being fixedly installed on one side of the inner wall of the rust-proof shell (25), two output ends of the hydraulic pump (12) being communicated with the hydraulic rod (10) and the hydraulic ring (11), the sleeve (23) being fixedly sleeved outside the output end of the double-shaft motor (5); The telescopic end of the hydraulic rod (10) is fixedly connected with a second driven ring (22), one end of the second driven ring (22) being rotatably connected with a first driven ring (21), a spring (20) being fixedly connected to one side of the first driven ring (21), the wedge block (9) being fixedly connected to one end of the spring (20), a wedge groove (8) being provided on one side of the active eccentric block (7), the wedge groove (8) being adapted to the wedge block (9); The telescopic end of the hydraulic ring (11) is fixedly connected with a rotating ring (13), the adjustment ring (14) being rotatably connected inside the rotating ring (13), a fixing plate (16) being fixedly connected to the inside of the rotating ring (13), a driving motor (17) being fixedly connected to the top of the fixing plate (16), a gear (18) being fixedly connected to the output end of the driving motor (17), a toothed ring (19) being fixedly connected to one side of the adjustment ring (14), the gear (18) being meshed with the toothed ring (19), a bolt (24) being screwed onto the outside of the fixed eccentric block (6).

2. The regenerative dewatering screen for foundry waste sand according to claim 1, characterized in that: The inspection machine (3) further includes an inspection shell (27) rotatably connected inside the feeding roller (28). Four inspection airbags (33) are fixedly connected to the bottom of the inner wall of the inspection shell (27). A pressure sensor (34) is fixedly installed on one side of the inspection airbag (33), and the detection end of the pressure sensor (34) extends into the inspection airbag (33).

3. The regenerative dehydration screen for foundry waste sand according to claim 2, characterized in that: A protective shell (30) is fixedly connected to one side of the inspection shell (27). A feeding motor (29) is fixedly installed inside the protective shell (30). The output end of the feeding motor (29) is fixedly connected to one side of the feeding roller (28). A level gauge (31) is fixedly installed on the top of the inspection shell (27). A diversion plate (35) is fixedly connected to the bottom of the inspection sieve (32). Diversion holes (37) are formed in the bottom of the diversion plate (35). A water level sensor (36) is fixedly installed on one side of the inner wall of the diversion plate (35). Foundry waste sand and water are provided inside the inspection shell (27).

4. A regenerative dehydration sieve for foundry waste sand according to claim 1, characterized in that: The dewatering sieve (1) further includes a mounting frame (38). A collection shell (39) is fixedly connected inside the mounting frame (38). The dewatering shell (4) is fixedly connected to the top of the mounting frame (38). A splash guard (40) is fixedly connected to the bottom of the dewatering shell (4). The splash guard (40) is adapted to the collection shell (39). The screen (43) is slidably clamped inside the dewatering shell (4).

5. The regenerative dehydration screen for foundry waste sand according to claim 4, wherein: A sand guide plate (41) is fixedly connected to one side of the dewatering shell (4). A water spray pipe (42) is fixedly connected to the top of the dewatering shell (4).

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