Screening device of color sand granulator
By designing the screening device of the color sand granulator, the combination of limiting grooves, fixed blocks, motor drive cam and cylinder-driven cleaning rollers is used to solve the problem of time-consuming and laborious particle blockage and screen plate cleaning in the existing granulator screening equipment, and efficient particle screening and automatic cleaning is achieved.
Patent Information
- Application Number
- CN202421555108.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-03
AI Technical Summary
The existing granulator particle screening equipment is prone to the problem of particles being blocked in the screen mesh, and the screen plate needs to be cleaned or replaced regularly, which is time-consuming and labor-intensive.
A screening device for color sand granulator is designed, using limit grooves and fixed blocks in the main bearing housing, and the screen plate is cleaned by driving the cam and cylinder to drive the cleaning roller to realize automated particle screening and cleaning.
It effectively reduces the occurrence of particle blockage, improves screening efficiency, reduces the frequency of cleaning and replacement of screen plates, and extends the service life of the equipment.
Smart Images
Figure CN222943934U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of granulator screening equipment, in particular to a screening device for a colored sand granulator. Background Art
[0002] The particles produced by the granulator are of different sizes, so they need to be screened. During the use of the existing granulator particle screening equipment, particles often get stuck in the mesh of the screen, and the screen needs to be cleaned or replaced regularly, which is time-consuming and labor-intensive. Utility Model Content
[0003] The utility model provides a screening device for a colored sand granulator.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A screening device for a colored sand granulator comprises a main bearing shell, a first limiting groove is arranged in the main bearing shell, a second limiting groove is arranged in the main bearing shell, the first limiting groove is slidably connected to a first fixed block, the second limiting groove is slidably connected to a second fixed block, a first sieve plate is fixed between the first fixed block and the second fixed block, the first fixed block is rotatably connected to a first limiting wheel, the second fixed block is rotatably connected to a second limiting wheel, the first limiting wheel can rotate in the first fixed block, and the second limiting wheel can rotate in the second fixed block, a first motor is fixed to the main bearing shell, a first cam is fixed to the power output shaft of the first motor passing through the main bearing shell, a bearing is arranged between the power output shaft of the first motor and the main bearing shell, A second motor is fixed to the main bearing shell, a second cam is fixed to the power output shaft of the second motor passing through the main bearing shell, the first cam is in contact with the first limiting wheel, the second cam is in contact with the second limiting wheel, a first cylinder is fixed to the main bearing shell, a second cylinder is fixed to the piston rod of the first cylinder passing through the main bearing shell, a third motor is fixed to the piston rod of the second cylinder, a first cleaning column is fixed to the power output shaft of the third motor, a fourth motor is fixed to one end of the first cleaning column, a fifth motor is fixed to the other end of the first cleaning column, a first cleaning roller is fixed to the power output shaft of the fourth motor, a second cleaning roller is fixed to the power output shaft of the fifth motor, the first cleaning roller is in contact with the first sieve plate, and the second cleaning roller is in contact with the second The sieve plate is in contact with the main bearing shell, a third limiting groove is provided in the main bearing shell, a fourth limiting groove is provided in the main bearing shell, the third limiting groove is slidably connected to the third fixed block, the fourth limiting groove is slidably connected to the fourth fixed block, a second sieve plate is fixed between the third fixed block and the fourth fixed block, the third fixed block is rotatably connected to the third limiting wheel, the fourth fixed block is rotatably connected to the fourth limiting wheel, the third limiting wheel can rotate on the third fixed block, the fourth limiting wheel can rotate on the fourth fixed block, a sixth motor is fixed to the main bearing shell, a third cam is fixed on the power output shaft of the sixth motor passing through the main bearing shell, the third cam is in contact with the third limiting wheel, a seventh motor is fixed to the main bearing shell, and the power output of the seventh motor A fourth cam is fixed on the shaft passing through the main bearing housing, a bearing is arranged between the power output shaft of the sixth motor and the main bearing housing, a bearing is arranged between the power output shaft of the seventh motor and the main bearing housing, a third cylinder is fixed on the main bearing housing, a piston rod of the third cylinder passes through the main bearing housing and is fixed with a fourth cylinder, an eighth motor is fixed on the piston rod of the fourth cylinder, a second cleaning column is fixed on the power output shaft of the eighth motor, a ninth motor is fixed on one end of the second cleaning column, a tenth motor is fixed on the other end of the second cleaning column, a third cleaning roller is fixed on the power output shaft of the ninth motor, a fourth cleaning roller is fixed on the power output shaft of the tenth motor, the third cleaning roller is in contact with the second sieve plate, and the fourth cleaning roller is in contact with the second sieve plate.A conveying plate is fixed in the main bearing shell, a feed plate is fixed on the top end face of the conveying plate, a motor mounting plate is fixed between the conveying plate and the main bearing shell, a bearing seat is fixed between the conveying plate and the main bearing shell, an eleventh motor is fixed on the end face of the motor mounting plate facing away from the bearing seat, a screw rod is rotatably connected between the motor mounting plate and the bearing seat, the screw rod can rotate between the motor mounting plate and the bearing seat, and the power output shaft of the eleventh motor is fixedly connected to the screw rod.
[0006] Furthermore, a plurality of supporting legs are fixed to the bottom end surface of the main bearing shell.
[0007] Furthermore, a hand wheel is fixed to one end of the double-threaded rod.
[0008] Furthermore, the overall shape of the main bearing shell is a rectangular shell.
[0009] Furthermore, a first discharge door is hingedly connected to an end surface of one side of the main bearing shell, and a second discharge door is hingedly connected to an end surface of one side of the main bearing shell.
[0010] Furthermore, a handle is fixed to an end surface of the first discharge door on one side away from the main bearing shell, and a handle is fixed to an end surface of the second discharge door on one side away from the main bearing shell.
[0011] Furthermore, a feed port is disposed on the top end surface of the main bearing shell, and a discharge port is disposed on the bottom end surface of the main bearing shell.
[0012] Beneficial effects:
[0013] The first limiting wheel of the utility model can rotate in the first fixed block, and the second limiting wheel can rotate in the second fixed block. The self-rotation of the first limiting wheel can reduce the damage to the first cam and increase the service life of the first cam. The self-rotation of the second limiting wheel can reduce the damage to the second cam and increase the service life of the second cam. The third limiting wheel can rotate in the third fixed block, and the fourth limiting wheel can rotate in the fourth fixed block. The self-rotation of the third limiting wheel can reduce the damage to the third cam and increase the service life of the third cam. The self-rotation of the fourth limiting wheel can reduce the damage to the fourth cam and increase the service life of the fourth cam.
[0014] The utility model uses a second cylinder to drive the first cleaning column to move, and the first cleaning column drives the first cleaning roller and the second cleaning roller to move synchronously. When the first cleaning roller and the second cleaning roller are both in contact with the first screen plate, the second cylinder stops running, and the third motor and the second cylinder are started synchronously to drive the first cleaning column to rotate at any angle. The fourth motor and the fifth motor are started synchronously, and the fourth motor drives the first cleaning roller to rotate, and the fifth motor drives the second cleaning roller to rotate. The first cleaning roller and the second cleaning roller begin to clean the first screen plate, and the first cylinder starts to drive the first cleaning roller and the second cleaning roller to move back and forth on the first screen plate to realize the cleaning of unqualified particles on the first screen plate. The fourth cylinder starts and drives the second cleaning column to move, the second cleaning column drives the third cleaning roller and the fourth cleaning roller to move synchronously, when the third cleaning roller and the fourth cleaning roller are both in contact with the second screen plate, the fourth cylinder stops running, the eighth motor starts synchronously with the fourth cylinder to drive the second cleaning column to rotate at any angle, the ninth motor starts synchronously with the tenth motor, the ninth motor drives the third cleaning roller to rotate, the tenth motor drives the fourth cleaning roller to rotate, the third cleaning roller and the fourth cleaning roller begin to clean the second screen plate, the third cylinder starts and drives the third cleaning roller and the fourth cleaning roller to move back and forth on the second screen plate, so as to clean the unqualified particles on the second screen plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model. Figure 1 ;
[0016] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model. Figure 2 ;
[0017] Figure 3 It is a left-side structural schematic diagram of the utility model;
[0018] Figure 4 For this utility model Figure 1 A partial enlarged view of middle A;
[0019] Figure 5 For this utility model Figure 1 A partial enlarged view of B in the middle;
[0020] Figure 6 For this utility model Figure 1 A partial enlarged view of middle C;
[0021] Figure 7 For this utility model Figure 2 A partial enlarged view of D in the middle;
[0022] Figure 8 For this utility model Figure 2 A partial enlarged view of middle E;
[0023] Fig. 9 For this utility model Figure 2 A partial enlarged view of middle F;
[0024] Fig.10 For this utility model Figure 2 A partial enlarged view of G in the middle.
[0025] In the figure: 1 main bearing shell, 2 support feet, 3 feed port, 4 first discharge door, 5 second discharge door, 6 first limit groove, 7 second limit groove, 8 first fixed block, 9 first screen plate, 10 first limit wheel, 11 second limit wheel, 12 first motor, 13 first cam, 14 second motor, 15 second cam, 16 first cylinder, 17 second cylinder, 18 third motor, 19 first cleaning column, 20 fourth motor, 21 fifth motor, 22 first cleaning roller, 23 second cleaning roller, 24 third limit groove, 25 fourth limit groove, 26 third fixed block, 27 fourth fixed block, 28 second sieve plate, 29 third limiting wheel, 30 fourth limiting wheel, 31 sixth motor, 32 third cam, 33 seventh motor, 34 fourth cam, 35 third cylinder, 36 fourth cylinder, 37 eighth motor, 38 second cleaning column, 39 ninth motor, 40 tenth motor, 41 third cleaning roller, 42 fourth cleaning roller, 43 conveying plate, 44 feeding plate, 45 motor mounting plate, 46 bearing seat, 47 eleventh motor, 48 screw rod, 49 discharge port, 50 second fixed block. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0028] Reference Figure 1-10A screening device for a colored sand granulator comprises a main bearing shell 1, a plurality of legs 2 are fixed to the bottom end surface of the main bearing shell 1, a feeding port 3 is arranged on the top end surface of the main bearing shell 1, the feeding port 3 is connected to the main bearing shell 1, the overall shape of the main bearing shell 1 is a rectangular shell, a first discharge door 4 is hingedly connected to one end surface of the main bearing shell 1, a second discharge door 5 is hingedly connected to one end surface of the main bearing shell 1, a handle is fixed to the end surface of the first discharge door 4 on the side away from the main bearing shell 1, a handle is fixed to the end surface of the second discharge door 5 on the side away from the main bearing shell 1, a first limiting groove 6 is arranged in the main bearing shell 1, a second limiting groove 7 is arranged in the main bearing shell 1, the first limiting groove 6 is slidably connected to the second limiting groove 7, and the first limiting groove 6 is slidably connected to the second limiting groove 7. A fixed block 8, the second limiting groove 7 is slidably connected to the second fixed block 50, a first sieve plate 9 is fixed between the first fixed block 8 and the second fixed block 50, the first fixed block 8 is rotatably connected to the first limiting wheel 10, the second fixed block 50 is rotatably connected to the second limiting wheel 11, the first limiting wheel 10 can rotate in the first fixed block 8, and the second limiting wheel 11 can rotate in the second fixed block 50, the main bearing shell 1 is fixed with a first motor 12, the power output shaft of the first motor 12 passes through the main bearing shell 1 and is fixed with a first cam 13, a bearing is arranged between the power output shaft of the first motor 12 and the main bearing shell 1, the main bearing shell 1 is fixed with a second motor 14, the power output shaft of the second motor 14 passes through A second cam 15 is fixed to the main bearing shell 1, the first cam 13 is in contact with the first limiting wheel 10, the second cam 15 is in contact with the second limiting wheel 11, a first cylinder 16 is fixed to the main bearing shell 1, a piston rod of the first cylinder 16 passes through the main bearing shell 1 and is fixed with a second cylinder 17, a piston rod of the second cylinder 17 is fixed with a third motor 18, a first cleaning column 19 is fixed to the power output shaft of the third motor 18, a fourth motor 20 is fixed to one end of the first cleaning column 19, a fifth motor 21 is fixed to the other end of the first cleaning column 19, a first cleaning roller 22 is fixed to the power output shaft of the fourth motor 20, a second cleaning roller 23 is fixed to the power output shaft of the fifth motor 21, and a first cleaning roller 24 is fixed to the first cleaning roller 25. The cleaning roller 22 contacts the first sieve plate 9, the second cleaning roller 23 contacts the second sieve plate 28, a third limiting groove 24 is provided in the main bearing shell 1, a fourth limiting groove 25 is provided in the main bearing shell 1, the third limiting groove 24 is slidably connected with a third fixed block 26, the fourth limiting groove 25 is slidably connected with a fourth fixed block 27, a second sieve plate 28 is fixed between the third fixed block 26 and the fourth fixed block 27, the third fixed block 26 is rotatably connected with a third limiting wheel 29, the fourth fixed block 27 is rotatably connected with a fourth limiting wheel 30, the third limiting wheel 29 can rotate on the third fixed block 26, the fourth limiting wheel 30 can rotate on the fourth fixed block 27, the main bearing shell 1 is fixed with a sixth motor 31,The power output shaft of the sixth motor 31 passes through the main bearing shell 1 and is fixed with a third cam 32, and the third cam 32 contacts the third limiting wheel 29. The main bearing shell 1 is fixed with a seventh motor 33, and the power output shaft of the seventh motor 33 passes through the main bearing shell 1 and is fixed with a fourth cam 34. A bearing is provided between the power output shaft of the sixth motor 31 and the main bearing shell 1, and a bearing is provided between the power output shaft of the seventh motor 33 and the main bearing shell 1. The main bearing shell 1 is fixed with a third cylinder 35, and the piston rod of the third cylinder 35 passes through the main bearing shell 1 and is fixed with a fourth cylinder 36, and the piston rod of the fourth cylinder 36 is fixed with an eighth motor 37, and the power output shaft of the eighth motor 37 is fixed with a second cleaning column 38, and one end of the second cleaning column 38 is fixed with a ninth motor 39, and the other end of the second cleaning column 38 is fixed with a tenth motor 40, and the ninth motor The power output shaft of the tenth motor 40 is fixed with a third cleaning roller 41, the power output shaft of the tenth motor 40 is fixed with a fourth cleaning roller 42, the third cleaning roller 41 contacts the second sieve plate 28, the fourth cleaning roller 42 contacts the second sieve plate 28, a conveying plate 43 is fixed in the main bearing shell 1, a feed plate 44 is fixed on the top end face of the conveying plate 43, a motor mounting plate 45 is fixed between the conveying plate 43 and the main bearing shell 1, a bearing seat 46 is fixed between the conveying plate 43 and the main bearing shell 1, an eleventh motor 47 is fixed on the end face of the motor mounting plate 45 facing away from the bearing seat 46, a screw rod 48 is rotatably connected between the motor mounting plate 45 and the bearing seat 46, the screw rod 48 can rotate between the motor mounting plate 45 and the bearing seat 46, the power output shaft of the eleventh motor 47 is fixedly connected with the screw rod 48, and a discharge port 49 is provided on the bottom end face of the main bearing shell 1.
[0029] Working principle:
[0030] The granulator injects the produced granule product into the main bearing shell 1 along the feed port 3, and the first motor 12 and the second motor 14 are started synchronously. The first motor 12 drives the first cam 13 to rotate, and the second motor 14 drives the second cam 15 to rotate. The first cam 13 contacts the first limiting wheel 10, and the second cam 15 contacts the second limiting wheel 11. The first limiting wheel 10 can rotate in the first fixed block 8, and the second limiting wheel 11 can rotate in the second fixed block 50. The rotation of the first limiting wheel 10 can reduce the damage to the first cam 13 and increase the service life of the first cam 13. The rotation of the second limiting wheel 11 can reduce the damage to the second cam 15 is damaged, and the service life of the second cam 15 is improved. The first cam 13 rotates to drive the first fixed block 8 to reciprocate in the first limiting groove 6. The second cam 15 rotates to drive the second fixed block 50 to reciprocate in the second limiting groove 7. The first fixed block 8 and the second fixed block 50 move upward and downward synchronously to drive the first screen plate 9 to vibrate upward and downward. The first screen plate 9 performs primary screening on the particles produced by the granulator. The primary screening screens out the larger particles in the particles. The particles passing through the first screen plate 9 fall onto the second screen plate 28 for final screening. The third motor 18 and the fourth motor 20 are started synchronously. The third motor 18 starts with The third cam 32 is driven to rotate, the fourth motor 20 is started to drive the fourth cam 34 to rotate, the third cam 32 contacts the third limiting wheel 29, the fourth cam 34 contacts the fourth limiting wheel 30, the third limiting wheel 29 can rotate in the third fixing block 26, the fourth limiting wheel 30 can rotate in the fourth fixing block 27, the rotation of the third limiting wheel 29 can reduce the damage to the third cam 32, and improve the service life of the third cam 32, the rotation of the fourth limiting wheel 30 can reduce the damage to the fourth cam 34, and improve the service life of the fourth cam 34, the rotation of the third cam 32 makes the third fixing block 26 reciprocate in the third limiting groove 24 The fourth cam 34 rotates to make the fourth fixed block 27 reciprocate in the fourth limit groove 25, and the third fixed block 26 and the fourth fixed block 27 move upward and downward synchronously to drive the second screen plate 28 to vibrate upward and downward, and the second screen plate 28 screens out the qualified particles, and the qualified particles fall into the inner bottom end surface of the main bearing shell 1 through the feed plate 44, and the eleventh motor 47 starts to drive the screw rod 48 to rotate, and the screw rod 48 rotates between the motor fixing plate and the bearing seat 46. At this time, the qualified particles begin to move toward the discharge port 49 under the action of the spiral line of the screw rod 48, and are discharged from the main bearing shell 1 through the discharge port 49 for collection and storage.
[0031] When it is necessary to clean the first sieve plate 9 and the second sieve plate 28, the handle is manually pulled to open the first discharge plate and the second discharge plate, the second cylinder 17 starts to drive the first cleaning roller 22 and the second cleaning roller 23 to move toward the first sieve plate 9, and the synchronous third motor 18 starts to drive the first cleaning column 19 to rotate, and the first cleaning column 19 drives the first cleaning roller 22 and the second cleaning roller 23 to rotate to a suitable position. When both the first cleaning roller 22 and the second cleaning roller 23 contact the first sieve plate 9, the second cylinder 17 stops running, the fourth motor 20 and the fifth motor 21 start synchronously, the fourth motor 20 drives the first cleaning roller 22 to rotate, and the fifth motor 21 drives the second cleaning roller 23 to rotate, and the first cleaning roller 22 and the second cleaning roller 23 start to clean the first sieve plate 9, and the first cylinder 16 starts to drive the first cleaning roller 22 and the second cleaning roller 23 to move back and forth on the first sieve plate 9, and the unqualified particles on the first sieve plate 9 are The particles on the second sieve plate 28 are discharged from the main bearing shell 1 under the action of the second cleaning roller 23, the fourth cylinder 36 is started to drive the third cleaning roller 41 and the fourth cleaning roller 42 to move toward the second sieve plate 28, the synchronous eighth motor 37 is started to drive the second cleaning column 38 to rotate, the second cleaning column 38 drives the third cleaning roller 41 and the fourth cleaning roller 42 to rotate to a suitable position, when both the third cleaning roller 41 and the fourth cleaning roller 42 contact the second sieve plate, the fourth cylinder 36 stops running, the ninth motor 39 and the tenth motor 40 are started synchronously, the ninth motor 39 drives the third cleaning roller 41 to rotate, the tenth motor 40 drives the fourth cleaning roller 42 to rotate, the third cleaning roller 41 and the fourth cleaning roller 42 begin to clean the second sieve plate 28, the third cylinder 35 is started to drive the third cleaning roller 41 and the fourth cleaning roller 42 to move back and forth on the second sieve plate 28, and the unqualified particles on the second sieve plate 28 are discharged from the main bearing shell 1 under the action of the third cleaning roller 41 and the fourth cleaning roller 42.
[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A screening device for a colored sand granulator, characterized in that: The invention comprises a main bearing shell (1), wherein a first limiting groove (6) is arranged in the main bearing shell (1), and a second limiting groove (7) is arranged in the main bearing shell (1); the first limiting groove (6) is slidably connected to a first fixed block (8), and the second limiting groove (7) is slidably connected to a second fixed block (50); a first sieve plate (9) is fixed between the first fixed block (8) and the second fixed block (50); the first fixed block (8) is rotatably connected to a first limiting wheel (10), and the second fixed block (50) is rotatably connected to a second limiting wheel (11); the first limiting wheel (10) can rotate in the first fixed block (8), and the second limiting wheel (11) can rotate in the second fixed block (50); the main bearing shell (1) is fixed A first motor (12) is provided, wherein a power output shaft of the first motor (12) passes through a main bearing housing (1) and is fixed with a first cam (13), a bearing is provided between the power output shaft of the first motor (12) and the main bearing housing (1), a second motor (14) is fixed to the main bearing housing (1), a power output shaft of the second motor (14) passes through the main bearing housing (1) and is fixed with a second cam (15), the first cam (13) is in contact with a first limiting wheel (10), the second cam (15) is in contact with a second limiting wheel (11), a first cylinder (16) is fixed to the main bearing housing (1), a piston rod of the first cylinder (16) passes through the main bearing housing (1) and is fixed with a second cylinder (17), and the second cylinder (17) is in contact with a second limiting wheel (11). A third motor (18) is fixed to the piston rod of the cylinder (17); a first cleaning column (19) is fixed to the power output shaft of the third motor (18); a fourth motor (20) is fixed to one end of the first cleaning column (19); a fifth motor (21) is fixed to the other end of the first cleaning column (19); a first cleaning roller (22) is fixed to the power output shaft of the fourth motor (20); a second cleaning roller (23) is fixed to the power output shaft of the fifth motor (21); the first cleaning roller (22) is in contact with the first sieve plate (9); the second cleaning roller (23) is in contact with the second sieve plate (28); a third limiting groove (24) is provided in the main bearing shell (1); and a fourth limiting groove (25) is provided in the main bearing shell (1). The third limiting groove (24) is slidably connected to a third fixed block (26), the fourth limiting groove (25) is slidably connected to a fourth fixed block (27), a second sieve plate (28) is fixed between the third fixed block (26) and the fourth fixed block (27), the third fixed block (26) is rotatably connected to a third limiting wheel (29), the fourth fixed block (27) is rotatably connected to a fourth limiting wheel (30), the third limiting wheel (29) can rotate on the third fixed block (26), the fourth limiting wheel (30) can rotate on the fourth fixed block (27), the main bearing shell (1) is fixed with a sixth motor (31), the power output shaft of the sixth motor (31) passes through the main bearing shell (1) and is fixed with a third cam (32),The third cam (32) contacts the third limiting wheel (29); the main bearing housing (1) is fixed with a seventh motor (33); the power output shaft of the seventh motor (33) passes through the main bearing housing (1) and is fixed with a fourth cam (34); a bearing is provided between the power output shaft of the sixth motor (31) and the main bearing housing (1); a bearing is provided between the power output shaft of the seventh motor (33) and the main bearing housing (1); the main bearing housing (1) is fixed with a third cylinder (35); the piston rod of the third cylinder (35) passes through the main bearing housing (1) and is fixed with a fourth cylinder (36); the piston rod of the fourth cylinder (36) is fixed with an eighth motor (37); the power output shaft of the eighth motor (37) is fixed with a second cleaning column (38); one end of the second cleaning column (38) is fixed with a ninth motor (39); the other end of the second cleaning column (38) is fixed with a tenth motor (40); the power output shaft of the ninth motor (39) A third cleaning roller (41) is fixed, a fourth cleaning roller (42) is fixed to the power output shaft of the tenth motor (40), the third cleaning roller (41) contacts the second sieve plate (28), the fourth cleaning roller (42) contacts the second sieve plate (28), a feed plate (43) is fixed inside the main bearing shell (1), a feed plate (44) is fixed to the top end surface of the feed plate (43), and a motor mounting plate (45) is fixed between the feed plate (43) and the main bearing shell (1), A bearing seat (46) is fixed between the conveying plate (43) and the main bearing housing (1); an eleventh motor (47) is fixed to the end surface of the motor mounting plate (45) facing away from the bearing seat (46); a screw rod (48) is rotatably connected between the motor mounting plate (45) and the bearing seat (46); the screw rod (48) can rotate between the motor mounting plate (45) and the bearing seat (46); and the power output shaft of the eleventh motor (47) is fixedly connected to the screw rod (48).
2. The screening device of a colored sand granulator according to claim 1, characterized in that: A plurality of supporting legs (2) are fixed to the bottom end surface of the main bearing shell (1).
3. The screening device of a colored sand granulator according to claim 1, characterized in that: The main bearing shell (1) is in the shape of a rectangular shell as a whole.
4. The screening device of a colored sand granulator according to claim 1, characterized in that: A first discharge door (4) is hingedly connected to one end surface of the main bearing shell (1), and a second discharge door (5) is hingedly connected to one end surface of the main bearing shell (1).
5. The screening device of the colored sand granulator according to claim 4 is characterized in that: A handle is fixed to the end surface of the first discharge door (4) facing away from the main bearing shell (1), and a handle is fixed to the end surface of the second discharge door (5) facing away from the main bearing shell (1).
6. The screening device of a colored sand granulator according to claim 1, characterized in that: The top end surface of the main bearing shell (1) is provided with a feed port (3), and the bottom end surface of the main bearing shell (1) is provided with a discharge port (49).