Waste recovery device for premixed concrete production

Abstract

The utility model discloses a waste recovery device for premixed concrete production, which comprises a frame and a feeding hopper mounted on the left side of the upper end of the frame, a screen frame is movably mounted in the frame, a crushing mechanism is arranged in the feeding hopper, the bottom of the screen frame is connected with a swing mechanism, and the swing mechanism is connected with a discharging mechanism. The swinging mechanism comprises a transmission crankshaft, a group of connecting rods, a fan barrel, a fan rotating shaft, a plurality of fan blades, a connecting pipeline, a plurality of branch pipes and a plurality of air outlet holes; and the crushing mechanism comprises a double-shaft motor, a group of opposite crushing rollers and a plurality of staggered crushing teeth. The waste material crushing device has the beneficial effects that the crushing mechanism is arranged in the feeding hopper, a group of opposite crushing rollers are adopted to crush waste materials firstly, and the swinging mechanism adopts a transmission crankshaft to drive a screen frame to swing back and forth to perform solid-liquid separation treatment on the waste materials, so that subsequent classified recovery is facilitated; and a plurality of branch pipes can be used for carrying out air drying treatment on the screened solid waste, so that moisture in the solid waste is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of ready-mixed concrete production, in particular to a waste material recovery device for ready-mixed concrete production. Background Art

[0002] Ready-mixed concrete refers to a concrete mixture made of cement, aggregate, water, and admixtures and mineral admixtures added as needed in a certain proportion, which is measured and mixed at a mixing station for sale and transported to the place of use within a specified time by a transport vehicle.

[0003] Ready-mixed concrete is one of the commonly used materials in construction, but a large amount of waste materials will be generated during the production and use process, including waste concrete, waste cement and waste additives. These waste materials will cause harm to the natural environment if they are directly discharged into the natural environment without treatment. Therefore, through reasonable treatment processes and technical means, the impact of waste materials on the environment can be minimized, and resource recycling and reuse can be achieved.

[0004] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content

[0005] In view of the above defects, the utility model provides a waste material recycling device for ready-mixed concrete production to solve the problem of waste material recycling for ready-mixed concrete production.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A waste recycling device for ready-mixed concrete production comprises a frame and a feeding hopper installed on the left side of the upper end of the frame, a screen frame is movably installed in the frame, a crushing mechanism is arranged in the feeding hopper, and a swing mechanism is connected to the bottom of the screen frame;

[0008] The swing mechanism includes a transmission crankshaft, a group of connecting rods, a fan cylinder, a fan shaft, a plurality of fan blades, a connecting pipe, a plurality of branch pipes and a plurality of air outlet holes. The transmission crankshaft is movably installed on the left side of the frame. A group of connecting rods are hinged to the transmission crankshaft at one end and hinged to the two sides of the bottom of the screen frame at the other end. The fan cylinder is installed on the upper end of the left side of the frame. The fan shaft is movably inserted in the fan cylinder. A plurality of fan blades are evenly installed on the fan shaft. The connecting pipe is inserted at the rear end of the fan cylinder. A plurality of branch pipes are evenly installed at the front end of the connecting pipe and are located above the screen frame. A plurality of air outlet holes are evenly opened at the bottom of a plurality of branch pipes.

[0009] Furthermore, the crushing mechanism includes a dual-axis motor, a group of relative crushing rollers and a plurality of staggered crushing teeth. The dual-axis motor is installed on the left side of the front end of the feeding hopper, a group of relative crushing rollers are movably inserted on both sides of the feeding hopper, and the front end of the left crushing roller is connected to the rear rotating end of the dual-axis motor, and a plurality of staggered crushing teeth are evenly installed on the outer surface of a group of relative crushing rollers.

[0010] Furthermore, the rear ends of a group of relative crushing rollers are connected through a group of transmission gear sets.

[0011] Furthermore, a pulley 1 is installed on the front rotating end of the dual-axis motor, a pulley 2 is installed on the front end of the transmission crankshaft, a pulley 3 is installed on the front end of the fan shaft, and a transmission belt is mounted on pulley 1, pulley 2 and pulley 3.

[0012] Furthermore, two groups of fixing rods are installed on the frame, and the bottoms of the two groups of fixing rods are hinged to the two sides of the screen frame through swing rods.

[0013] Furthermore, an impurity filter is installed in the screen frame, and a discharge port is opened at the right end.

[0014] The utility model provides a waste recovery device for ready-mixed concrete production, which has the following beneficial effects: through a crushing mechanism located in a feeding hopper, a group of relative crushing rollers are used to first crush the waste; a swing mechanism uses a transmission crankshaft to drive a screen frame to swing back and forth, so as to perform solid-liquid separation on the waste, which is convenient for subsequent classification and recovery; at the same time, a plurality of branch pipes can air-dry the solid waste after screening to reduce the moisture in the solid waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of a waste recovery device for ready-mixed concrete production described in the utility model.

[0016] Figure 2 It is a schematic diagram of the crushing mechanism of the utility model.

[0017] Figure 3 It is a top view of the screen frame described in the utility model.

[0018] Figure 4 It is a schematic diagram of the transmission crankshaft of the utility model.

[0019] Figure 5 This is a cross-sectional view of the fan cylinder of the utility model.

[0020] In the figure: 1. frame; 2. hopper; 3. screen frame; 4. transmission crankshaft; 5. connecting rod; 6. fan cylinder; 7. fan shaft; 8. fan blades; 9. connecting pipe; 10. branch pipe; 11. air outlet; 12. double-axis motor; 13. crushing roller; 14. crushing teeth; 15. transmission gear set; 16. pulley one; 17. pulley two; 18. pulley three; 19. transmission belt; 20. fixed rod; 21. swing rod; 22. impurity filter; 23. discharge port. DETAILED DESCRIPTION

[0021] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1-5 As shown: A waste recycling device for ready-mixed concrete production, comprising a frame 1 and a hopper 2 installed on the left side of the upper end of the frame 1, a screen frame 3 is movably installed in the frame 1, a crushing mechanism is provided in the hopper 2, and a swing mechanism is connected to the bottom of the screen frame 3; the swing mechanism comprises a transmission crankshaft 4, a group of connecting rods 5, a fan cylinder 6, a fan shaft 7, a plurality of fan blades 8, a connecting pipe 9, a plurality of branch pipes 10 and a plurality of air outlets 11, the transmission crankshaft 4 is movably installed on the frame 1, a group of connecting rods 5 are respectively hinged to the transmission crankshaft 4 at one end, and the other end is hinged to the two sides of the bottom of the screen frame 3, the fan cylinder 6 is installed at the upper end of the left side of the frame 1, the fan shaft 7 is movably inserted in the fan cylinder 6, and a plurality of fan blades 8 are evenly installed on the fan shaft 7, the connecting pipe 9 is inserted at the rear end of the fan cylinder 6, and a plurality of branch pipes 10 are evenly installed at the front end of the connecting pipe 9 and are located above the screen frame 3, and a plurality of air outlet holes 11 are evenly opened at the bottom of a plurality of branch pipes 10; The crushing mechanism includes a double-shaft motor 12, a group of relative crushing rollers 13 and a plurality of staggered crushing teeth 14. The double-shaft motor 12 is installed on the left side of the front end of the feeding hopper 2. A group of relative crushing rollers 13 are movably inserted on both sides of the feeding hopper 2, and the front end of the left crushing roller 13 is connected to the rear end rotating end of the double-shaft motor 12. A plurality of staggered crushing teeth 14 are evenly installed on the outer surface of a group of relative crushing rollers 13; the rear end of a group of relative crushing rollers 13 is connected through a group of transmission gear sets 15. A pulley 16 is installed on the front rotating end of the dual-axis motor 12, a pulley 2 17 is installed on the front end of the transmission crankshaft 4, a pulley 3 18 is installed on the front end of the fan shaft 7, and a transmission belt 19 is mounted on the pulley 16, the pulley 2 17 and the pulley 3 18; two groups of fixed rods 20 are installed on the frame 1, and the bottoms of the two groups of fixed rods 20 are hinged to the two sides of the screen frame 3 through swing rods 21 respectively; an impurity filter 22 is installed in the screen frame 3, and a discharge port 23 is opened at the right end.

[0022] Working principle of this embodiment: The electrical equipment used in the device is controlled by an external controller. When in use, the user first puts the ready-mixed concrete waste to be recycled into the feeding hopper 2 through a forklift;

[0023] During crushing: a double-shaft motor 12 is installed on the left side of the front end of the feeding hopper 2, a group of opposite crushing rollers 13 are movably inserted on both sides of the feeding hopper 2 through a fastening bearing, and the front end of the left crushing roller 13 is connected to the rear end rotating end of the double-shaft motor 12, a plurality of staggered crushing teeth 14 are evenly installed on the outer surface of a group of opposite crushing rollers 13, and the rear end of a group of opposite crushing rollers 13 is connected through a group of transmission gear sets 15. Figure 2 As shown, the dual-axis motor 12 first drives a set of relative crushing rollers 13 to rotate relative to each other, crushing the waste material put into the feeding hopper 2 to reduce the volume of the waste material and facilitate subsequent recycling;

[0024] During screening: a transmission crankshaft 4 is movably mounted on the left side of the frame 1 through a fastening bearing, a set of connecting rods 5 are respectively hinged to the transmission crankshaft 4 at one end, and the other end is hinged to both sides of the bottom of the screen frame 3, a fan cylinder 6 is mounted on the upper left end of the frame 1, a fan shaft 7 is movably inserted in the fan cylinder 6 through a fastening bearing, a plurality of fan blades 8 are evenly mounted on the fan shaft 7, a connecting pipe 9 is inserted at the rear end of the fan cylinder 6, a plurality of branch pipes 10 are evenly mounted at the front end of the connecting pipe 9, and are located above the screen frame 3, and a plurality of air outlet holes 11 are evenly mounted on the fan shaft 7. Evenly spread at the bottom of several branch pipes 10, a pulley 16 is installed on the front rotating end of the dual-axis motor 12, a pulley 2 17 is installed on the front end of the transmission crankshaft 4, a pulley 3 18 is installed on the front end of the fan shaft 7, and a transmission belt 19 is set on the pulley 16, the pulley 2 17 and the pulley 3 18, two groups of fixed rods 20 are installed on the frame 1, and the bottoms of the two groups of fixed rods 20 are respectively hinged to the two sides of the screen frame 3 through swing rods 21, and an impurity filter 22 is installed in the screen frame 3, and a discharge port 23 is opened at the right end, such as Figure 3 — Figure 5 As shown, the crushed waste falls into the screen frame 3, and the dual-axis motor 12 drives the transmission crankshaft 4 to rotate through the transmission belt 19. The transmission crankshaft 4 pulls the screen frame 3 back and forth through a group of connecting rods 5, so that the screen frame 3 swings back and forth. The screen frame 3 is tilted, and the waste can pass through the impurity filter 22 in the screen frame 3 for solid-liquid separation. At the same time, the transmission belt 19 drives the fan shaft 7 to rotate, and the fan shaft 7 drives a number of fan blades 8 to rotate counterclockwise to generate air volume, and the air is evenly sprayed out through the connecting pipe 9 and a number of branch pipes 10, so as to air-dry the screened solid waste and reduce the moisture in the solid waste.

[0025] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the utility model. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the utility model and fall within the protection scope of the utility model.

Claims

1. A waste recycling device for ready-mixed concrete production, comprising a frame (1) and a feeding hopper (2) mounted on the left side of the upper end of the frame (1), wherein a screen frame (3) is movably mounted in the frame (1), characterized in that: The feeding hopper (2) is provided with a crushing mechanism, and the bottom of the screen frame (3) is connected with a swinging mechanism; The swing mechanism comprises a transmission crankshaft (4), a group of connecting rods (5), a fan cylinder (6), a fan shaft (7), a plurality of fan blades (8), a connecting pipe (9), a plurality of branch pipes (10) and a plurality of air outlet holes (11), wherein the transmission crankshaft (4) is movably mounted on the left side of the frame (1), a group of connecting rods (5) are respectively hinged to the transmission crankshaft (4) at one end and hinged to two sides of the bottom of the screen frame (3) at the other end, the fan cylinder (6) is mounted on the upper left side of the frame (1), the fan shaft (7) is movably inserted in the fan cylinder (6), a plurality of fan blades (8) are evenly mounted on the fan shaft (7), the connecting pipe (9) is inserted at the rear end of the fan cylinder (6), a plurality of branch pipes (10) are evenly mounted at the front end of the connecting pipe (9) and are located above the screen frame (3), and a plurality of air outlet holes (11) are evenly opened at the bottom of the plurality of branch pipes (10).

2. A waste recovery device for ready-mixed concrete production according to claim 1, characterized in that: The pulverizing mechanism comprises a double-shaft motor (12), a group of opposite pulverizing rollers (13) and a plurality of staggered pulverizing teeth (14), wherein the double-shaft motor (12) is mounted on the left side of the front end of the feeding hopper (2), a group of opposite pulverizing rollers (13) are movably inserted on both sides of the feeding hopper (2), and the front end of the left pulverizing roller (13) is connected to the rear end rotating end of the double-shaft motor (12), and the plurality of staggered pulverizing teeth (14) are evenly mounted on the outer surface of the group of opposite pulverizing rollers (13).

3. A waste recovery device for ready-mixed concrete production according to claim 2, characterized in that: The rear ends of a group of opposing crushing rollers (13) are connected in transmission via a group of transmission gear sets (15).

4. A waste recovery device for ready-mixed concrete production according to claim 2, characterized in that: A pulley 1 (16) is mounted on the front rotating end of the dual-axis motor (12), a pulley 2 (17) is mounted on the front end of the transmission crankshaft (4), a pulley 3 (18) is mounted on the front end of the fan shaft (7), and a transmission belt (19) is mounted on the pulley 1 (16), the pulley 2 (17) and the pulley 3 (18).

5. The waste recovery device for ready-mixed concrete production according to claim 1, characterized in that: Two groups of fixing rods (20) are mounted on the frame (1), and the bottoms of the two groups of fixing rods (20) are respectively hinged to two sides of the screen frame (3) via swing rods (21).

6. A waste recovery device for ready-mixed concrete production according to claim 1, characterized in that: An impurity filter (22) is installed in the screen frame (3), and a discharge port (23) is opened at the right end.

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