CN211801139U - A construction waste crushing and screening device - Google Patents

Abstract

The utility model discloses a crushing and screening device for construction waste, which comprises a crushing and screening box and a conveyor belt bracket. The four corners of the bottom of the crushing and screening box are fixedly provided with supporting legs, and the middle of the top of the crushing and screening box is fixedly provided with a feeding hopper. Two crushing motors are fixed on the top of one side of the screening box, and the transmission shafts of the two crushing motors pass through the crushing and screening box and are respectively connected with one end of the two crushing rollers. Metal screening net, the beneficial effects of the utility model are: the set conveyor belt is convenient to transfer the construction waste to the inside of the crushing and screening box, instead of manual feeding; the set two crushing motors with opposite rotation directions drive the two crushing The rollers rotate to pulverize the construction waste, and the triangular-shaped metal screen is used to facilitate the screening of the pulverized waste.

Description

A construction waste crushing and screening device

technical field

The utility model relates to a crushing and screening device, in particular to a crushing and screening device for construction waste, which belongs to the technical field of construction waste treatment.

Background technique

Construction waste refers to the collective term for muck, waste concrete, waste masonry and other wastes generated in the production activities of people engaged in demolition, construction, decoration, repair and other construction industries. According to the source classification, construction waste can be divided into engineering muck, decoration waste, demolition waste, engineering mud, etc. Waste mortar, mud, asphalt blocks, waste plastics, waste metals, waste bamboo and wood, etc.; but the current construction waste is not easy to smash and screen, so it is inconvenient to recycle construction waste, resulting in waste of resources, and requires manual labor Feeding.

Utility model content

The purpose of the present utility model is to provide a construction waste crushing and screening device, so as to solve the problem of inconvenient crushing and screening of the current construction waste proposed in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides the following technical solutions: a construction waste crushing and screening device, comprising a crushing and screening box and a conveyor belt support, the four corners of the bottom end of the crushing and screening box are fixed with supporting legs, and the crushing and screening box is A feeding hopper is fixed in the middle of the top of the box, and two pulverizing motors are fixed on the top of one side of the pulverizing and screening box. One end is fixedly connected, the middle part inside the crushing and screening box is fixedly provided with a triangular metal screening net, the bottom end of the metal screening net is fixedly provided with a knocking mechanism, The middle part is provided with a first discharge port corresponding to the metal screening net, one side of the two first discharge ports is fixed with a first discharge plate, and the bottom end of the front of the crushing and screening box is The bottom end of the back is provided with a second discharge port, one side of the two second discharge ports is fixed with a second discharge plate, one end of the conveyor belt bracket is rotatably connected with a driving roller, and the conveyor belt One end of the front of the bracket is fixed with a drive motor, the drive shaft of the drive motor is fixedly connected with one end of the driving roller, and the other end of the conveyor belt bracket is rotatably connected with a driven roller, and the driving roller is driven by the conveyor belt and the driven roller. connected, the bottom of the other end of the conveyor belt bracket is fixedly connected to one side of the top of the feeding hopper through the feeding plate.

As a preferred technical solution of the present invention, the knocking mechanism includes two transmission motors and two connecting shafts, the two transmission motors are respectively fixedly installed in the middle of one side of the crushing and screening box, and the two transmission motors are respectively The transmission shafts of the motor are fixedly connected to one end of the two rotating shafts through the crushing and screening box, respectively, and the middle of the two rotating shafts are fixed with transmission gears, and the two connecting shafts are connected to the crushing and screening box through bearings. The inner walls are connected in rotation, the middle parts of the two connecting shafts are fixedly provided with incomplete gears that mesh with the transmission gears, and the two ends of the two connecting shafts are fixedly installed with percussion balls through connecting rods. One side of the connecting rod is fixedly connected with the inner wall of the crushing and screening box through the return spring.

As a preferred technical solution of the present invention, baffle plates are fixed on both sides of the feed plate, both sides of the first discharge plate and both sides of the second discharge plate.

As a preferred technical solution of the present invention, the two pulverizing motors are connected in series with each other, and the rotation directions of the two pulverizing motors are opposite to each other, and the two transmission motors are connected in series with each other, and the rotation of the two transmission motors In the opposite direction.

As a preferred technical solution of the present invention, the bottom end inside the crushing and screening box is fixedly provided with a triangular-shaped material guide plate.

As a preferred technical solution of the present utility model, a switch panel is fixed on the front of the conveyor belt support, and the surface of the switch panel is respectively provided with a drive motor switch, a pulverizing motor switch and a transmission motor switch. The motor and the transmission motor are electrically connected to the power source through the drive motor switch, the crushing motor switch and the transmission motor switch respectively.

Compared with the prior art, the beneficial effects of the present utility model are as follows: the utility model is a construction waste crushing and screening device, which facilitates the transmission of the construction waste to the interior of the crushing and screening box through the provided conveyor belt, instead of manual feeding; The two crushing motors with opposite rotation directions drive the two crushing rollers to rotate, so as to crush the construction waste, and the set triangular metal screen is convenient to screen the crushed waste; It is convenient to intermittently knock the metal screening net to make it vibrate, prevent the mesh of the metal screening net from being blocked by construction waste, and effectively improve the screening efficiency.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the sectional structure schematic diagram of the pulverizing and screening box of the utility model;

FIG. 3 is a schematic structural diagram of the knocking mechanism of the present invention.

In the figure: 1. Crushing and screening box; 2. Supporting legs; 3. Feeding hopper; 4. Conveyor belt bracket; 5. Driving motor; 6. Conveyor belt; 7. Feeding plate; 8. Crushing motor; 9. Crushing roller; 10. Metal screening net; 11. The first discharge port; 12. The first discharge plate; 13. Transmission motor; 14. Rotating shaft; 15. Transmission gear; 16. Connecting shaft; 17. Bearing; Complete gear; 19, connecting rod; 20, percussion ball; 21, return spring; 22, guide plate; 23, second discharge port; 24, second discharge plate; 25, switch panel.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the utility model provides a construction waste crushing and screening device, which includes a crushing and screening box 1 and a conveyor belt support 4. The four corners of the bottom end of the crushing and screening box 1 are fixed with supporting legs 2, which are used for crushing and screening. A feeding hopper 3 is fixed in the middle of the top of the box 1, and two crushing motors 8 are fixed on the top of one side of the crushing and screening box 1. The transmission shafts of the two crushing motors 8 pass through the crushing and screening box 1 and are respectively connected to the two crushing One end of the roller 9 is fixedly connected, and a triangular metal screen 10 is fixed in the middle of the crushing and screening box 1. The set metal screen 10 facilitates the screening of the crushed garbage. The end is fixed with a knocking mechanism, which is convenient for intermittent knocking on the metal screening net 10 to make it vibrate, preventing the mesh of the metal screening net 10 from being blocked by construction waste, effectively improving the screening efficiency and crushing. The middle part of the front and the middle part of the back of the screening box 1 are provided with a first discharge port 11 corresponding to the metal screen 10, and a first discharge plate 12 is fixed on one side of the two first discharge ports 11. , the bottom end of the front side and the bottom end of the back side of the crushing and screening box 1 are provided with a second discharge port 23, and one side of the two second discharge ports 23 is fixedly provided with a second discharge plate 24. One end is rotatably connected with a driving roller, one end of the front of the conveyor belt bracket 4 is fixedly provided with a driving motor 5, the transmission shaft of the driving motor 5 is fixedly connected with one end of the driving roller, and the other end of the conveyor belt bracket 4 is rotatably connected with a driven roller, and the driving roller passes through. The conveyor belt 6 is drivingly connected with the driven roller, and the bottom of the other end of the conveyor belt bracket 4 is fixedly connected to one side of the top end of the feeding hopper 3 through the feeding plate 7 .

Preferably, the knocking mechanism includes two transmission motors 13 and two connecting shafts 16, the two transmission motors 13 are respectively fixedly installed in the middle of one side of the crushing and screening box 1, and the transmission shafts of the two transmission motors 13 pass through the crushing and screening box 1 respectively. The box 1 is fixedly connected with one end of the two rotating shafts 14 respectively. The middle of the two rotating shafts 14 is fixedly provided with a transmission gear 15. The middle part of the connecting shaft 16 is fixedly provided with an incomplete gear 18 that meshes with the transmission gear 15, and both ends of the two connecting shafts 16 are fixedly installed with a percussion ball 20 through the connecting rod 19. One side of each connecting rod 19 They are all fixedly connected to the inner wall of the crushing and screening box 1 through the reset spring 21. The set knocking mechanism is convenient for intermittently knocking the metal screening net 10 to make it vibrate, so as to prevent the mesh of the metal screening net 10 from being blocked by construction waste. Effectively improve the screening efficiency; baffle plates are fixed on both sides of the feed plate 7, the two sides of the first discharge plate 12 and the two sides of the second discharge plate 24 to block the garbage and prevent the garbage from falling The two pulverizing motors 8 are connected in series with each other, and the rotation directions of the two pulverizing motors 8 are opposite, and the two transmission motors 13 are connected in series with each other, and the rotation directions of the two driving motors 13 are opposite; The triangular-shaped material guide plate 22 is convenient to discharge the crushed and qualified garbage through the second discharge port 23; the front side of the conveyor belt support 4 is fixed with a switch panel 25, and the surface of the switch panel 25 is respectively provided with a drive motor switch and a crushing motor switch And the drive motor switch, the drive motor 5, the pulverization motor 8 and the transmission motor 13 are electrically connected to the power supply through the drive motor switch, the pulverization motor switch and the transmission motor switch respectively, and the drive motor switch, the pulverization motor switch and the transmission motor switch are convenient to control the drive. The work of the motor 5, the crushing motor 8 and the transmission motor 13.

In specific use, the utility model is a construction waste crushing and screening device. First, the driving motor 5 and the crushing motor 8 are turned on by the driving motor switch and the crushing motor switch, and the conveyor belt 6 is driven by the driving motor 5 for transmission. On the conveyor belt 6, the construction waste is transported to the inside of the crushing and screening box 1 through the conveyor belt 6, and the crushing roller 9 is driven by the crushing motor 8 to crush the construction waste. The crushed construction waste is screened by the metal screen 10, and the screening is qualified The construction waste is discharged through the two first discharge ports 11 and the two first discharge plates 12, and the qualified construction waste passes through the second discharge port 23 and the second discharge plate 24 under the action of the guide plate 22. To discharge, the transmission motor 13 is turned on by the transmission motor switch, the rotating shaft 14 is driven to rotate by the transmission motor 13, thereby driving the transmission gear 15 to rotate, and the connecting shaft 16 is driven to rotate under the meshing cooperation of the transmission gear 15 and the incomplete gear 18, Thereby, the connecting rod 19 and the percussion ball 20 are driven to swing downward. When the incomplete gear 18 rotates to the side without the gear, the connecting rod 19 and the percussion ball 20 are driven to swing upward under the action of the return spring 21, so that the metal sieve is swayed upwards. The sub-screen 10 is knocked intermittently to make it vibrate, so as to prevent the mesh holes of the metal screening screen 10 from being blocked by construction waste, and improve the screening efficiency.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated The device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the present utility model, unless otherwise expressly specified and limited, for example, it may be a fixed connection, a detachable connection, or an integrated body; it may be a mechanical connection or an electrical connection; it may be a direct connection, or a It can be indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between the two elements, unless otherwise clearly defined, for those of ordinary skill in the art, the above terms can be understood according to the specific situation in this document. The specific meaning in the utility model.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A construction waste crushing and screening device, comprising a crushing and screening box (1) and a conveyor belt support (4), characterized in that the four corners of the bottom end of the crushing and screening box (1) are fixedly provided with support legs (2). ), a feeding hopper (3) is fixed in the middle of the top of the pulverizing and screening box (1), and two pulverizing motors (8) are fixed on the top of one side of the pulverizing and screening box (1). The drive shafts of the pulverizing motors (8) pass through the pulverizing and screening box (1) and are respectively fixedly connected to one end of the two pulverizing rollers (9), and a triangular metal sieve is fixed in the middle of the pulverizing and screening box (1). A dividing net (10), the bottom end of the metal screening net (10) is fixedly provided with a knocking mechanism, and the middle part of the front and the middle of the back of the crushing and screening box (1) are provided with a metal screening net (10). ) corresponding to the first discharge port (11), a first discharge plate (12) is fixed on one side of the two first discharge ports (11), and the front side of the crushing and screening box (1) The bottom end and the bottom end of the back are provided with a second discharge port (23), and a second discharge plate (24) is fixed on one side of the two second discharge ports (23). One end of the conveyor belt bracket (4) is rotatably connected with the driving roller, one end of the front surface of the conveyor belt bracket (4) is fixedly provided with a driving motor (5), and the transmission shaft of the driving motor (5) is fixedly connected with one end of the driving roller, The other end of the conveyor belt support (4) is rotatably connected with a driven roller, the driving roller is connected with the driven roller through the conveyor belt (6), and the bottom of the other end of the conveyor belt support (4) passes through the feeding plate (7). ) is fixedly connected to one side of the top of the feeding hopper (3). 2 . The construction waste crushing and screening device according to claim 1 , wherein the knocking mechanism comprises two transmission motors ( 13 ) and two connecting shafts ( 16 ), and the two transmission motors ( 13) They are respectively fixed and installed in the middle of one side of the crushing and screening box (1), and the transmission shafts of the two transmission motors (13) pass through the crushing and screening box (1) and are respectively fixed to one end of the two rotating shafts (14). The middle parts of the two rotating shafts (14) are fixedly provided with a transmission gear (15), and the two connecting shafts (16) are rotatably connected to the inner wall of the crushing and screening box (1) through bearings (17), The middle parts of the two connecting shafts (16) are fixedly provided with an incomplete gear (18) that meshes with the transmission gear (15), and both ends of the two connecting shafts (16) pass through connecting rods (19) A percussion ball (20) is fixedly installed, and one side of each of the connecting rods (19) is fixedly connected to the inner wall of the crushing and screening box (1) through a return spring (21). 3. A construction waste crushing and screening device according to claim 1, characterized in that: the two sides of the feed plate (7), the two sides of the first discharge plate (12) and the second discharge plate Both sides of (24) are fixedly provided with baffles. 4. A construction waste crushing and screening device according to claim 2, characterized in that: the two crushing motors (8) are connected in series with each other, and the rotation directions of the two crushing motors (8) are opposite, and the two crushing motors (8) are in opposite directions. The transmission motors (13) are connected in series with each other, and the rotation directions of the two transmission motors (13) are opposite. 5 . The construction waste crushing and screening device according to claim 1 , wherein a triangular-shaped material guide plate ( 22 ) is fixed at the bottom end of the crushing and screening box ( 1 ). 6 . 6 . The construction waste crushing and screening device according to claim 2 , wherein a switch panel ( 25 ) is fixedly arranged on the front of the conveyor belt support ( 4 ), and a surface of the switch panel ( 25 ) is respectively provided with a switch panel ( 25 ). 7 . There are a drive motor switch, a pulverizing motor switch and a transmission motor switch, the drive motor (5), the pulverizing motor (8) and the transmission motor (13) are respectively electrically connected to the power source through the driving motor switch, the pulverizing motor switch and the transmission motor switch .

Images