Device for preparing construction waste recycled concrete

Abstract

The utility model relates to the technical field of construction waste treatment, and discloses a construction waste recycled concrete preparation device which comprises a preparation box, an opening is formed in the top end of the preparation box, and a baffle is fixedly connected to the opening in the top end of the preparation box. A groove is formed in the side face of the baffle, a threaded rod is rotationally connected to one side wall of the interior of the groove, a sealing plate sleeves the surface of the threaded rod in a threaded mode, two smashing rollers are rotationally connected between the two side walls of the interior of the preparation box, and discharging openings are formed in the two side faces of the preparation box. And a filter plate is rotatably mounted on one side wall of the interior of the upper discharging port, two fixing plates are fixedly connected to one side wall of the interior of the preparation box, in the using process of the device, construction waste can be rapidly smashed and screened, meanwhile, dust can be effectively prevented from escaping, follow-up machining is facilitated, and using is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of construction waste treatment, in particular to a device for preparing recycled concrete from construction waste. Background Art

[0002] Construction waste refers to the slag and other waste generated during the construction, laying, demolition and repair of various buildings, structures, pipelines, etc. by construction units or individuals. It can be crushed and reused through concrete devices.

[0003] After retrieval, a construction waste recycling concrete device with application number 202020083524.2 is disclosed, comprising a crushing box, an end cover, a rotating shaft, a bearing, a kit, a crushing knife, a screening box, a baffle, a support leg, a motor, a rotating shaft, a rotary block, a screen plate, a feed bin and a discharge pipe. End covers are provided on both end faces of the crushing box, bearings are provided in the end covers, the rotating shaft passes through the end covers, and the right end of the rotating shaft is arranged in the bearing, the kit is arranged on the surface of the rotating shaft, a crushing knife is provided on the side of the kit, the screening box is arranged on the lower end face of the crushing box, the baffle is arranged inside the lower end of the crushing box, the support leg is arranged on the lower end face of the screening box, the motor is arranged inside the screening box, a rotating shaft is provided on the upper end face of the motor, a rotary block is provided on the upper end of the rotating shaft, the screen plate is arranged on the side wall of the rotary block, the feed bin is arranged on the upper end face of the crushing box, and the discharge pipe is arranged on the side wall of the screening box.

[0004] However, the above device still has some shortcomings during use. The effect of crushing construction waste is poor and not thorough enough. The gravel and particles generated during the crushing process are easy to burst out from the feed port, which is not safe enough. At the same time, the effect of screening the crushed construction waste is poor. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a device for preparing recycled concrete from construction waste, which solves the problems of poor and incomplete crushing of construction waste, and the gravel and particles generated during the crushing process easily collapsing from the feed port, which is not safe enough, and poor screening effect of the crushed construction waste.

[0006] The top of the box is provided with an opening, and the top opening of the box is fixedly connected to a baffle, and a groove is formed on the side wall of the baffle, and a threaded rod is rotatably connected to the inner side wall of the groove, and a closing plate is threadedly sleeved on the surface of the threaded rod. Two crushing rollers are rotatably connected between the inner side walls of the box and the discharging opening. The discharging opening is located above the bottom wall of the box.

[0007] Preferred technical solution 1: A first motor is fixedly installed on the side of the preparation box, the output end of the first motor extends to the interior of the preparation box and is fixedly connected to one of the crushing rollers, the other ends of the two crushing rollers extend to the outside of the preparation box and are fixedly sleeved with gears, and the two gears are meshed with each other.

[0008] In this solution, the rotation of the first motor can drive the two crushing rollers to quickly crush the construction waste.

[0009] Preferred technical solution two: one end of the two rotating rods extends to the outside of the preparation box, and the outer end surface of one of the rotating rods is fixedly connected to a double-row sprocket, and the surface of the other rotating rod and one of the crushing rollers on the same side are fixedly connected to a driven sprocket, and chains are respectively connected between the double-row sprocket and the two driven sprockets.

[0010] This solution can drive the two rotating rods and the eccentric wheel to rotate through the transmission of the chain, so that the filter plate can continuously vibrate up and down, which is convenient for screening the crushed construction waste.

[0011] Preferred technical solution three: A group of limiting rods are fixedly connected to one side wall of the inner groove, and a group of limiting grooves are opened on the side of the closing plate. The closing plate is slidably sleeved on the surface of the limiting rod through the limiting grooves. A second motor is fixedly connected to one side of the preparation box, and the output end of the second motor extends to the interior of the groove and is fixedly connected to the threaded rod.

[0012] This solution can limit the movement of the closing plate so that it covers the top opening of the preparation box and prevents dust from escaping from above.

[0013] Preferred technical solution four: an elastic stopper is fixedly sleeved on one end of the filter plate, and crushing teeth are fixedly connected to both side walls of the interior of the preparation box.

[0014] This solution can prevent the crushed construction waste from falling through the gap between the filter plate and the preparation box.

[0015] Preferred technical solution five: The inner bottom wall of the preparation box is fixedly connected with a material guide inclined plate, and the material guide inclined plate corresponds to the discharge port below. One side of the preparation box is fixedly connected with a bottom plate, and a material receiving box is placed on the upper surface of the bottom plate.

[0016] This solution can facilitate the separate discharge of crushed and filtered construction waste.

[0017] Compared with the prior art, the utility model provides a device for preparing recycled concrete from construction waste, which has the following beneficial effects: when in use, the construction waste is put into the interior through the opening at the top of the preparation box, and then the rotation of the second motor drives the threaded rod to rotate, thereby driving the closing plate to close the top of the preparation box to prevent dust from escaping during the crushing process, and then the rotation of the first motor and the action of the two gears drive the two crushing rollers and the crushing teeth to cooperate to crush the construction waste, and the crushed construction waste falls on the filter plate, and the rotation of the first motor and the transmission of the sprocket and chain drive the two rotating rods to rotate, thereby driving the two eccentric wheels to rotate, so that the filter plate can continuously vibrate up and down, so that the filtering effect of the filter plate is better, and qualified construction waste after filtration is discharged through the discharge port at the bottom, and unqualified construction waste falls into the interior of the receiving box through the discharge port above for collection, which is convenient for subsequent further processing. During use, the device can quickly crush and screen construction waste, and at the same time can effectively prevent dust from escaping, which is convenient for subsequent processing and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 This is a left side view of the structure of the utility model;

[0020] Figure 3 This is a cross-sectional view of the internal structure of the utility model;

[0021] Figure 4 For the utility model Figure 3 A magnified view of the structure of middle A;

[0022] Figure 5 This is a cross-sectional view of the baffle structure of the present utility model.

[0023] In the figure: 1. preparation box; 2. baffle; 3. groove; 4. threaded rod; 5. closing plate; 6. crushing roller; 7. discharge port; 8. filter plate; 9. fixed plate; 10. connecting rod; 11. rotating rod; 12. eccentric wheel; 13. spring; 14. first motor; 15. gear; 16. double-row sprocket; 17. driven sprocket; 18. chain; 19. limit rod; 20. elastic block; 21. material guide inclined plate; 22. bottom plate; 23. material receiving box; 24. second motor. DETAILED DESCRIPTION

[0024] See also Figure 1-5 ,

[0025] Embodiment 1: A device for preparing recycled concrete from construction waste, comprising a preparation box 1, an opening is opened at the top of the preparation box 1, a baffle 2 is fixedly connected to the top opening of the preparation box 1, a groove 3 is formed on the side of the baffle 2, a threaded rod 4 is rotatably connected to the inner side wall of the groove 3, and a closing plate 5 is threadedly sleeved on the surface of the threaded rod 4, two crushing rollers 6 are rotatably connected between the inner side walls of the preparation box 1, discharge ports 7 are opened on both sides of the preparation box 1, and a filter plate 8 is rotatably installed on the inner side wall of the discharge port 7 above, and two fixed plates 9 are fixedly connected to the inner side wall of the preparation box 1, and movable grooves are opened on the surfaces of the two fixed plates 9, and connecting rods 10 are slidably sleeved on the inside of the two movable grooves, and the two connecting rods 10 are movably connected to the lower surface of the filter plate 8, and two rotating rods 11 are rotatably connected to the inner side wall of the preparation box 1, and the surfaces of the two rotating rods 11 are fixedly sleeved with eccentric wheels 12, the bottom ends of the two connecting rods 10 are fixedly connected to the connecting plates, and the surfaces of the two connecting rods 10 are sleeved with springs 13.

[0026] Example 2: The difference between this example and Example 1 is that a first motor 14 is fixedly installed on the side of the preparation box 1, and the output end of the first motor 14 extends to the interior of the preparation box 1 and is fixedly connected to one of the crushing rollers 6. The other ends of the two crushing rollers 6 extend to the outside of the preparation box 1 and are fixedly sleeved with gears 15. The two gears 15 are engaged with each other, and the rotation of the first motor 14 can drive the two crushing rollers 6 to quickly crush the construction waste.

[0027] Example 3: The difference between this example and Example 1 is that one end of the two rotating rods 11 extends to the outside of the preparation box 1, and the outer end surface of one of the rotating rods 11 is fixedly connected with a double-row sprocket 16, and the surface of the other rotating rod 11 and one of the crushing rollers 6 on the same side are fixedly connected with a driven sprocket 17, and the double-row sprocket 16 and the two driven sprockets 17 are respectively connected by a chain 18. The transmission of the chain 18 can drive the two rotating rods 11 and the eccentric wheel 12 to rotate, so that the filter plate 8 is continuously vibrated up and down, which is convenient for screening the crushed construction waste.

[0028] Example 4: The difference between this example and Example 1 is that a group of limiting rods 19 are fixedly connected to one side wall of the inner side of the groove 3, and a group of limiting grooves are opened on the side of the closing plate 5. The closing plate 5 is slidably sleeved on the surface of the limiting rod 19 through the limiting grooves, and a second motor 24 is fixedly connected to one side of the preparation box 1. The output end of the second motor 24 extends to the interior of the groove 3 and is fixedly connected to the threaded rod 4, thereby restricting the movement of the closing plate 5 so that it blocks the top opening of the preparation box 1 to prevent dust from escaping from above.

[0029] Example 5: The difference between this example and Example 1 is that an elastic stopper 20 is fixedly sleeved on one end of the filter plate 8, and crushing teeth are fixedly connected to both side walls of the interior of the preparation box 1 to prevent the crushed construction waste from falling through the gap between the filter plate 8 and the preparation box 1.

[0030] Example 6: The difference between this example and Example 1 is that, the inner bottom wall of the preparation box 1 is fixedly connected with a material guide inclined plate 21, and the material guide inclined plate 21 corresponds to the discharge port 7 below. One side of the preparation box 1 is fixedly connected with a bottom plate 22, and a material receiving box 23 is placed on the upper surface of the bottom plate 22, which is convenient for separating and discharging the crushed and filtered construction waste.

[0031] In summary, the device for preparing recycled concrete from construction waste, when in use, puts the construction waste into the interior through the opening at the top of the preparation box 1, and then drives the threaded rod 4 to rotate through the rotation of the second motor 24, thereby driving the closing plate 5 to close the top of the preparation box 1 to prevent dust from escaping during the crushing process, and then drives the two crushing rollers 6 and the crushing teeth to cooperate to crush the construction waste through the rotation of the first motor 14 and the action of the two gears 15 to crush the construction waste, and the crushed construction waste falls on the filter plate 8, and the rotation of the first motor 14 and the transmission of the sprocket and chain 18 will drive the two rotating rods 11 to rotate, thereby driving the two eccentric wheels 12 to rotate, so that the filter plate 8 can continuously vibrate up and down, so that the filtering effect of the filter plate 8 is better, and qualified construction waste after filtration is discharged through the discharge port at the bottom, and unqualified construction waste falls into the interior of the receiving box 23 through the discharge port above for collection, which is convenient for subsequent further processing. During use, the device can quickly crush and screen construction waste, and at the same time can effectively prevent dust from escaping, which is convenient for subsequent processing.

Claims

1. A device for preparing recycled concrete from construction waste, comprising a preparation box (1), characterized in that: The top of the preparation box (1) is provided with an opening, a baffle (2) is fixedly connected to the top opening of the preparation box (1), a groove (3) is formed on the side of the baffle (2), a threaded rod (4) is rotatably connected to the inner side wall of the groove (3), a closing plate (5) is threadedly sleeved on the surface of the threaded rod (4), two crushing rollers (6) are rotatably connected between the inner side walls of the preparation box (1), a discharge port (7) is provided on both sides of the preparation box (1), a filter plate (8) is rotatably installed on the inner side wall of the discharge port (7) located above, and the preparation box (1) is provided with a plurality of rollers (6) rotatably connected to the inner side walls of the preparation box (1). Two fixed plates (9) are fixedly connected to one side wall of the interior, and movable grooves are provided on the surfaces of the two fixed plates (9). Connecting rods (10) are slidably sleeved inside the two movable grooves, and the two connecting rods (10) are movably connected to the lower surface of the filter plate (8). Two rotating rods (11) are rotatably connected to one side wall of the interior of the preparation box (1), and eccentric wheels (12) are fixedly sleeved on the surfaces of the two rotating rods (11). The bottom ends of the two connecting rods (10) are fixedly connected to connecting plates, and the surfaces of the two connecting rods (10) are sleeved with springs (13).

2. The device for preparing recycled concrete from construction waste according to claim 1, characterized in that: A first motor (14) is fixedly mounted on the side of the preparation box (1), an output end of the first motor (14) extends into the interior of the preparation box (1) and is fixedly connected to one of the crushing rollers (6), the other ends of the two crushing rollers (6) both extend to the outside of the preparation box (1) and are fixedly sleeved with gears (15), and the two gears (15) are meshed with each other.

3. The device for preparing recycled concrete from construction waste according to claim 1, characterized in that: One end of each of the two rotating rods (11) extends to the outside of the preparation box (1), and a double-row sprocket (16) is fixedly sleeved on the outer end surface of one of the rotating rods (11), and a driven sprocket (17) is fixedly sleeved on the surface of the other rotating rod (11) and one of the crushing rollers (6) on the same side, and a chain (18) is respectively connected between the double-row sprocket (16) and the two driven sprockets (17).

4. The device for preparing recycled concrete from construction waste according to claim 1, characterized in that: A set of limiting rods (19) are fixedly connected to one side wall of the inner portion of the groove (3); a set of limiting grooves are provided on the side of the closing plate (5); the closing plate (5) is slidably sleeved on the surface of the limiting rods (19) through the limiting grooves; a second motor (24) is fixedly connected to one side of the preparation box (1); an output end of the second motor (24) extends into the interior of the groove (3) and is fixedly connected to the threaded rod (4).

5. The device for preparing recycled concrete from construction waste according to claim 1, characterized in that: An elastic stopper (20) is fixedly sleeved on one end of the filter plate (8), and crushing teeth are fixedly connected to both side walls of the interior of the preparation box (1).

6. The device for preparing recycled concrete from construction waste according to claim 1, characterized in that: The inner bottom wall of the preparation box (1) is fixedly connected with a material introduction inclined plate (21), and the material introduction inclined plate (21) corresponds to the discharge port (7) below. One side of the preparation box (1) is fixedly connected with a bottom plate (22), and a material receiving box (23) is placed on the upper surface of the bottom plate (22).

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