Recycled gravel aggregate crushing and screening device

Abstract

The utility model discloses a recycled gravel aggregate crushing and screening device, and relates to the technical field of building construction equipment, in particular to a recycled gravel aggregate crushing and screening device which comprises a crushing and screening box, a first funnel is arranged at the top of the crushing and screening box, and a baffle is hinged to the interior of the first funnel through a hinge. A torsion spring is arranged below the baffle, a controller is arranged on the front side of the smashing and screening box, a first protection box is arranged on the right side of the smashing and screening box, and a first motor is arranged in the first protection box. The recycled gravel aggregate crushing and screening device is provided with a baffle, a torsion spring, a first motor, a second motor, a third motor, a sixth motor, a first crushing roller, a first gear, a second gear, a second crushing roller, a screen, a rotating disc, a U-shaped plate, a second funnel, a rotating rod, a turbofan and a filter bag; the recycled gravel aggregate crushing and screening device has the effects of returning and re-crushing the screened unqualified aggregate and preventing dust.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction equipment, in particular to a recycled sand and gravel aggregate crushing and screening device. Background Art

[0002] In the process of construction, materials of various materials are needed; among them, aggregate is an important building material, which is mainly used as the skeleton material in concrete. Aggregates generally come from natural sand and gravel, artificial sand and gravel, and waste aggregates recycled from various construction wastes; for the aggregate raw materials from the above three sources, they all need to be crushed by aggregate crushing equipment to prepare aggregates of suitable particle size.

[0003] The existing recycled sand and gravel aggregate crushing and screening device is not convenient for re-crushing the unqualified aggregate screened out during use, and is not convenient for removing iron filings in the aggregate and collecting the iron filings. A recycled sand and gravel aggregate crushing and screening device is currently provided to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a regenerated sand and gravel aggregate crushing and screening device, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a recycled sand and gravel aggregate crushing and screening device, including a crushing and screening box, a first funnel is arranged on the top of the crushing and screening box, a baffle is hinged inside the first funnel through a hinge, a torsion spring is arranged below the baffle, a controller is arranged on the front side of the crushing and screening box, a first protection box is arranged on the right side of the crushing and screening box, a first motor is arranged inside the first protection box, a first crushing roller is arranged at the output end of the first motor, a first gear is arranged on one side of the first crushing roller, a second protection box is arranged on the rear side of the crushing and screening box, a second motor is arranged inside the second protection box, and a second motor is arranged at the output end of the second motor A turntable is provided, a lever is provided on one side of the turntable, a first card slot is provided on the inner wall of the crushing and screening box, a U-shaped plate is clamped inside the first card slot, a screen frame is provided on one side of the U-shaped plate, a screen is provided inside the screen frame, a conveyor is provided on the left side of the crushing and screening box, a third motor is provided at the bottom of the output machine, a rotating rod is provided at the output end of the third motor, a conveying leaf is provided on the outer surface of the rotating rod, a first magnetic plate is provided on the right inner wall of the crushing and screening box, a second magnetic plate is provided on the left inner wall of the crushing and screening box, a second card slot is provided on the inner wall of the crushing and screening box, a wedge block is clamped inside the second card slot, a first push rod is provided on one side of the wedge block, and a discharge port is opened on the right side of the crushing and screening box.

[0006] Optionally, the interior of the crushing and screening box is rotatably connected to a second crushing roller via a bearing, a second gear is provided on one side of the second crushing roller, and the first gear is meshed with the second gear.

[0007] Optionally, the inner side wall of the U-shaped plate is provided with teeth, the front and rear inner side walls of the crushing and screening box are provided with support plates, the bottom of the screen frame is rotatably connected to a roller through a middle pin, and the roller is located on the top of the support plate.

[0008] Optionally, a fourth motor is disposed on the top of the first magnetic attraction plate, a first lead screw is disposed at the output end of the fourth motor, and a first scraper is transmission-connected to the outer surface of the first lead screw.

[0009] Optionally, a fifth motor is disposed on the top of the second magnetic attraction plate, a second lead screw is disposed at the output end of the fifth motor, and a second scraper is transmission-connected to the outer surface of the second lead screw.

[0010] Optionally, an electric telescopic rod is provided on the left inner wall of the crushing and screening box, a support frame is provided at one end of the electric telescopic rod, a collecting box is clamped inside the support frame, a third clamping slot is provided on the front inner wall of the crushing and screening box, a spring is provided inside the third clamping slot, a push rod is provided on the top of the spring, a through hole is opened inside the wedge block, the inner diameter of the through hole is the diameter of the push rod, and a first protective cover is hinged on the front side of the crushing and screening box through a hinge.

[0011] Optionally, a second funnel is provided on a side of the conveyor close to the third motor, and a discharge pipe is provided on a side of the conveyor away from the third motor.

[0012] Optionally, a dust removal box is provided on the rear side of the crushing and screening box, an exhaust pipe is provided on the top of the dust removal box, a second protective cover is connected to one side of the dust removal box through a hinge, a sixth motor is provided at the bottom of the dust removal box, a turbo fan is provided at the output end of the sixth motor, a filter bag is provided above the turbo fan, and ventilation holes are provided at the bottom of the dust removal box.

[0013] The utility model provides a regenerated sand and gravel aggregate crushing and screening device, which has the following beneficial effects:

[0014] 1. The recycled sand and gravel aggregate crushing and screening device has the effects of returning the screened unqualified aggregates for re-crushing and dust prevention through the arrangement of a baffle, a torsion spring, a first motor, a second motor, a third motor, a sixth motor, a first crushing roller, a first gear, a second gear, a second crushing roller, a screen, a turntable, a U-shaped plate, a second funnel, a rotating rod, a turbo fan and a filter bag.

[0015] 2. The recycled sand and gravel aggregate crushing and screening device, through the arrangement of the first magnetic plate, the second magnetic plate, the push rod, the wedge block, the electric telescopic rod, the collecting box, the fourth motor, the fifth motor, the first screw, the first scraper, the second screw and the second scraper, enables the recycled sand and gravel aggregate crushing and screening device to remove iron filings from the aggregate and collect the iron filings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the utility model in front view section;

[0018] Figure 3 This is a schematic structural diagram of a top view of the first magnetic attraction plate of the utility model;

[0019] Figure 4 This is a structural schematic diagram of the front view of the screen frame of the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the side cross-section of the utility model;

[0021] Figure 6 It is a schematic structural diagram of the side cross-section of the utility model.

[0022] In the figure: 1. crushing and screening box; 2. controller; 3. push rod; 4. push rod; 5. third motor; 6. second funnel; 7. conveyor; 8. baffle; 9. conveying leaf; 10. rotating rod; 11. fifth motor; 12. second lead screw; 13. second scraper; 14. second magnetic plate; 15. electric telescopic rod; 16. collecting box; 17. spring; 18. wedge block; 19. first magnetic plate; 20. first lead screw; 21. first scraper; 22. fourth motor; 23. screen frame; 24. screen; 25. first motor; 26. first gear; 27. first crushing roller; 28. torsion spring; 29. ​​turntable; 30. U-shaped plate; 31. filter bag; 32. turbo fan; 33. sixth motor; 34. second crushing roller; 35. second gear; 36. second motor. DETAILED DESCRIPTION

[0023] 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. Example

[0024] A recycled sand and gravel aggregate crushing and screening device comprises a crushing and screening box 1, wherein a first funnel is arranged on the top of the crushing and screening box 1, a baffle 8 is hingedly connected to the inside of the first funnel by a hinge, a torsion spring 28 is arranged below the baffle 8, a controller 2 is arranged on the front side of the crushing and screening box 1, a first protection box is arranged on the right side of the crushing and screening box 1, a first motor 25 is arranged inside the first protection box, a first crushing roller 27 is arranged at the output end of the first motor 25, a first gear 26 is arranged on one side of the first crushing roller 27, a second protection box is arranged on the rear side of the crushing and screening box 1, a second motor 36 is arranged inside the second protection box, a turntable 29 is arranged at the output end of the second motor 36, a lever is arranged on one side of the turntable 29, a first card slot is arranged on the inner side wall of the crushing and screening box 1, a U-shaped plate 30 is clamped inside the first card slot, a screen frame 23 is arranged on one side of the U-shaped plate 30, a screen mesh 24 is arranged inside the screen frame 23, a conveyor 7 is arranged on the left side of the crushing and screening box 1, and a bottom of the output machine A third motor 5 is provided, a rotating rod 10 is provided at the output end of the third motor 5, and a conveying blade 9 is provided on the outer surface of the rotating rod 10. The inside of the crushing and screening box 1 is rotatably connected to the second crushing roller 34 through a bearing, a second gear 35 is provided on one side of the second crushing roller 34, the first gear 26 is meshed with the second gear 35, and the inner side wall of the U-shaped plate 30 is provided with teeth. Support plates are provided on the front and rear inner side walls of the crushing and screening box 1. The bottom of the screen frame 23 is rotatably connected to a roller through a middle plug, and the roller is located on the top of the support plate. A second funnel 6 is provided on the side of the conveyor close to the third motor 5, and a discharge pipe is provided on the side of the conveyor away from the third motor 5. A dust removal box is provided on the rear side of the crushing and screening box 1, an exhaust pipe is provided on the top of the dust removal box, and a second protective cover is connected to one side of the dust removal box through a hinge. A sixth motor 33 is provided at the bottom of the dust removal box, a turbo fan 32 is provided at the output end of the sixth motor 33, a filter bag 31 is provided above the turbo fan 32, and a ventilation hole is provided at the bottom of the dust removal box.

[0025] In order to realize the effect of the recycled sand and gravel aggregate crushing and screening device to return the unqualified aggregates screened out and re-crush them and prevent dust, as shown in the attached Figure 1-2 , Figure 4-6As shown, the present application adopts the following structure, through the cooperation of the baffle 8, the torsion spring 28, the first motor 25, the second motor 36, the third motor 5, the sixth motor 33, the first crushing roller 27, the first gear 26, the second gear 35, the second crushing roller 34, the screen 24, the turntable 29, the U-shaped plate 30, the second funnel 6, the rotating rod 10, the turbo fan 32 and the filter bag 31, during use, the aggregate is put into the crushing and screening box 1 through the first funnel, and during the feeding process, the aggregate gives a thrust to the baffle 8 by its own gravity, so that the baffle rod flips downward and squeezes the torsion spring 28, so that the baffle 8 can prevent dust from being scattered to the greatest extent, through the controller 2 first motor 25, the second motor 36, the third motor 5, the sixth motor 33, the output end of the first motor 25 drives the first crushing roller 27 and the first gear 26, the first gear 26 drives the second gear 35 meshing with the first gear 26, the second gear 35 drives the second crushing roller 34, the first crushing roller 27 and the second crushing roller 34 rotate to crush the aggregate, The crushed aggregate falls onto the screen 24, and the output end of the second motor 36 drives the turntable 29 and the lever, and the lever moves the U-shaped plate 30, so that the U-shaped plate 30 drives the screen frame 23 and the screen 24 to do left and right reciprocating motion, and starts to screen the aggregate. The qualified ones pass through the screen 24 and fall onto the inner bottom wall of the screen frame 23, and the unqualified ones fall into the second funnel 6 through the left and right reciprocating motion of the screen 24. The output end of the third motor 5 drives the rotating rod 10 and the transmission leaf, and the transmission leaf removes the unqualified aggregate from the transmission The bottom conveyor belt of the conveyor is conveyed to the top of the conveyor and discharged through the discharge pipe, so that the unqualified aggregates are crushed again. Dust will be generated in the process of crushing the aggregates. The sixth motor 33 drives the turbo fan 32 to rotate. The rotation of the turbo fan 32 generates a strong suction force, which draws the dust into the filter bag 31 through the exhaust pipe to prevent the dust from being dispersed and causing harm to the workers and the environment. The recycled sand and gravel aggregate crushing and screening device has the effect of returning the screened unqualified aggregates for re-crushing and dust prevention. Example

[0026] A regenerated sand and gravel aggregate crushing and screening device, the right inner wall of the crushing and screening box 1 is provided with a first magnetic attraction plate 19, the left inner wall of the crushing and screening box 1 is provided with a second magnetic attraction plate 14, the inner wall of the crushing and screening box 1 is provided with a second card slot, the interior of the second card slot is clamped with a wedge block 18, one side of the wedge block 18 is provided with a first push rod 3, the right side of the crushing and screening box 1 is provided with a discharge port, the top of the first magnetic attraction plate 19 is provided with a fourth motor 22, the output end of the fourth motor 22 is provided with a first lead screw 20, the outer surface of the first lead screw 20 is transmission-connected with a first scraper 21, the top of the second magnetic attraction plate 14 is provided with a first Five motors 11, the output end of the fifth motor 11 is provided with a second lead screw 12, the outer surface of the second lead screw 12 is transmission-connected with a second scraper 13, the left inner wall of the crushing and screening box 1 is provided with an electric telescopic rod 15, one end of the electric telescopic rod 15 is provided with a support frame, the interior of the support frame is clamped with a collecting box 16, the front inner wall of the crushing and screening box 1 is provided with a third slot, the interior of the third slot is provided with a spring 17, the top of the spring 17 is provided with a push rod 4, a through hole is opened in the interior of the wedge block 18, the inner diameter of the through hole is the diameter of the cultivation push rod 4, and the front side of the crushing and screening box 1 is hinged with a first protective cover through a hinge.

[0027] In order to realize the effect of removing iron chips from aggregates and collecting them, the recycled sand and gravel aggregate crushing and screening device is as follows: Figure 2-3As shown, the present application adopts the following structure, through the cooperation of the first magnetic plate 19, the second magnetic plate 14, the push rod 4, the wedge block 18, the electric telescopic rod 15, the collecting box 16, the fourth motor 22, the fifth motor 11, the first screw 20, the first scraper 21, the second screw 12 and the second scraper 13, during use, the aggregate that meets the screen 24 will first fall onto the first magnetic plate 19, and will roll onto the second magnetic plate 14 under the action of the aggregate's own gravity, and will be discharged from the crushing and screening box 1 through the wedge block 18 and the discharge port, and the aggregate will be on the first magnetic plate 19 and During the rolling process on the second magnetic plate 14, the iron filings in the aggregate will be adsorbed onto the first magnetic plate 19 and the second magnetic plate 14 to prevent the iron filings from being mixed into the concrete and reducing the durability and strength of the concrete (iron is prone to rust and expand in a humid environment, causing cracks in the concrete structure). When there are more iron filings on the first magnetic plate 19 and the second magnetic plate 14, the push rod 4 is first pushed downward so that the push rod 4 squeezes the spring 17 and disengages from the through hole in the wedge block 18, and then the wedge block 18 is pushed to a certain position by the push rod 3, and then the push rod 4 is released, and the spring 17 is released. The elastic force is released to push the push rod 4, and the push rod 4 is inserted into the through hole inside the wedge block 18. Then, the electric telescopic rod 15 is started through the controller 2. The electric telescopic rod 15 pushes the support frame and the collection box 16 until the support frame abuts against the wedge block 18. Then, the fourth motor 22 and the fifth motor 11 are started through the controller 2 (the fourth motor 22 and the fifth motor 11 are both at a certain distance from the first magnetic plate 19 and the second magnetic plate 14, which will not affect the normal operation of the fourth motor 22 and the fifth motor 11). The output end of the fourth motor 22 drives the fourth screw, and the first screw 20 The first scraper 21 is driven to push the iron filings on the first magnetic plate 19 onto the second magnetic plate 14; the output end of the fifth motor 11 drives the second lead screw 12; the second lead screw 12 drives the second scraper 13 to push the iron filings on the first magnetic plate 19 and the second magnetic plate 14 into the collecting box 16; after collection, the electric telescopic rod 15 retracts to its original position, the first protective cover is opened to take the collecting box 16 out of the supporting frame, and the iron filings are processed, thereby achieving the effect of removing iron filings from the aggregate and collecting the iron filings of the recycled sand and gravel aggregate crushing and screening device.

[0028] 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 regenerated sand and gravel aggregate crushing and screening device, comprising a crushing and screening box, characterized in that: The top of the crushing and screening box is provided with a first funnel, the interior of the first funnel is hinged with a baffle through a hinge, a torsion spring is provided under the baffle, a controller is provided on the front side of the crushing and screening box, a first protection box is provided on the right side of the crushing and screening box, a first motor is provided inside the first protection box, a first crushing roller is provided at the output end of the first motor, a first gear is provided on one side of the first crushing roller, a second protection box is provided on the rear side of the crushing and screening box, a second motor is provided inside the second protection box, a turntable is provided at the output end of the second motor, a lever is provided on one side of the turntable, and an inner wall of the crushing and screening box is provided with a second motor. A first card slot is provided, a U-shaped plate is clamped inside the first card slot, a screen frame is provided on one side of the U-shaped plate, a screen is provided inside the screen frame, a conveyor is provided on the left side of the crushing and screening box, a third motor is provided at the bottom of the output machine, a rotating rod is provided at the output end of the third motor, and a conveying leaf is provided on the outer surface of the rotating rod, a first magnetic plate is provided on the right inner wall of the crushing and screening box, a second magnetic plate is provided on the left inner wall of the crushing and screening box, a second card slot is provided on the inner wall of the crushing and screening box, a wedge block is clamped inside the second card slot, a first push rod is provided on one side of the wedge block, and a discharge port is opened on the right side of the crushing and screening box.

2. The device for crushing and screening recycled sand and gravel aggregate according to claim 1, characterized in that: The inside of the crushing and screening box is rotatably connected with a second crushing roller via a bearing, a second gear is arranged on one side of the second crushing roller, and the first gear is meshed with the second gear.

3. The device for crushing and screening recycled sand and gravel aggregate according to claim 1, characterized in that: The inner wall of the U-shaped plate is provided with teeth, the front and rear inner walls of the crushing and screening box are provided with support plates, the bottom of the screen frame is rotatably connected with a roller through a middle plug, and the roller is located on the top of the support plate.

4. The device for crushing and screening recycled sand and gravel aggregate according to claim 1, characterized in that: A fourth motor is disposed on the top of the first magnetic attraction plate, a first lead screw is disposed at the output end of the fourth motor, and a first scraper is transmission-connected to the outer surface of the first lead screw.

5. The device for crushing and screening recycled sand and gravel aggregate according to claim 1, characterized in that: A fifth motor is disposed on the top of the second magnetic attraction plate, a second lead screw is disposed at the output end of the fifth motor, and a second scraper is transmission-connected to the outer surface of the second lead screw.

6. The device for crushing and screening recycled sand and gravel aggregate according to claim 1, characterized in that: The left inner wall of the crushing and screening box is provided with an electric telescopic rod, one end of the electric telescopic rod is provided with a support frame, the interior of the support frame is clamped with a collecting box, the front inner wall of the crushing and screening box is provided with a third slot, the interior of the third slot is provided with a spring, the top of the spring is provided with a push rod, a through hole is opened inside the wedge block, the inner diameter of the through hole is the diameter of the cultivation push rod, and the front side of the crushing and screening box is hinged with a first protective cover through a hinge.

7. The device for crushing and screening recycled sand and gravel aggregate according to claim 1, characterized in that: A second funnel is arranged on a side of the conveyor close to the third motor, and a discharge pipe is arranged on a side of the conveyor away from the third motor.

8. The device for crushing and screening recycled sand and gravel aggregate according to claim 1, characterized in that: A dust removal box is arranged on the rear side of the crushing and screening box, an exhaust pipe is arranged on the top of the dust removal box, a second protective cover is connected to one side of the dust removal box through a hinge, a sixth motor is arranged on the bottom of the dust removal box, a turbo fan is arranged on the output end of the sixth motor, a filter bag is arranged above the turbo fan, and a ventilation hole is opened at the bottom of the dust removal box.

Images