Concrete waste recycling device

Abstract

The utility model discloses a concrete waste recycling device, and relates to the technical field of concrete waste recycling. Comprising a box body internally provided with a cavity, the top of the box body is fixedly connected with a feeding bin, the box body is internally provided with a material guiding cavity communicating with the feeding bin, the box body is further internally provided with a feeding cavity communicating the cavity with the material guiding cavity, the feeding cavity is internally provided with a feeding mechanism, and the interior of the feeding bin is rotatably connected with two matched crushing rollers; a screening barrel is rotatably connected to an inner cavity of the cavity, a connecting frame is installed in an inner cavity of the end, away from the feeding cavity, of the screening barrel, and a rotating shaft fixedly connected with the connecting frame is rotatably connected to the box and driven by a driving mechanism. According to the concrete waste recycling device, after the concrete waste is crushed, further screening work can be carried out, so that large particles and small particles in the crushed concrete waste are distinguished, and subsequent recycling is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete waste recycling, in particular to a concrete waste recycling and cyclic utilization device. Background Art

[0002] Concrete is one of the most important civil engineering materials in contemporary times. It is an artificial stone made of cementitious materials, granular aggregates, water, and admixtures and additives added in a certain proportion, which are evenly stirred, compacted into shape, and cured and hardened. Concrete has the characteristics of abundant raw materials, low price and simple production process, which leads to its increasing usage.

[0003] This type of waste is usually in irregular blocks and can be recycled. In order to ensure the recycling effect, a special waste recycling device will be used to process the concrete waste. Since the waste is usually in irregular blocks, in order to ensure easy transportation and processing after recycling, it is necessary to use a crushing mechanism to crush it. However, the sizes of concrete waste are different, and the crushing process is inevitably uneven. It is also difficult for the crushed waste to fully meet the needs of recycling. It is difficult to distinguish them after they are mixed together and output. Utility Model Content

[0004] The utility model provides a concrete waste recycling device to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a concrete waste recycling and utilization device, comprising a box body with a cavity formed inside, a feed bin fixedly connected to the top of the box body, a guide cavity connected to the feed bin is provided inside the box body, a feeding cavity connected to the cavity and the guide cavity is also provided inside the box body, a feeding mechanism is provided in the feeding cavity, two matching crushing rollers are rotatably connected to the inside of the feed bin, a screening drum is rotatably connected to the inner cavity of the cavity, a connecting frame is installed in the inner cavity of the screening drum away from the feeding cavity, a rotating shaft fixedly connected to the connecting frame is rotatably connected to the box body, and the rotating shaft is driven by a driving mechanism, a partition plate is provided in the inner cavity of the box body, a first discharge port is provided at the bottom of the box body located on the side of the partition plate close to the feeding cavity, and a second discharge port is provided at the bottom of the box body located on the other side of the partition plate.

[0006] Furthermore, the driving mechanism includes a first motor, a first pulley, and a second pulley. The first motor is installed on one side of the box body, the output shaft sleeve of the first motor is provided with a first pulley, and the rotating shaft is provided with a second pulley connected to the first pulley through a belt drive.

[0007] Furthermore, the two crushing rollers are meshed through gears, one of the crushing rollers is connected to a rotating rod, a fourth pulley is sleeved on the rotating rod, and a third pulley is sleeved on the rotating shaft and connected to the fourth pulley through a belt drive.

[0008] Furthermore, a support rod through which the rotating rod rotates is installed on the top of the box.

[0009] Furthermore, the feeding mechanism includes a spiral blade and a second motor. The second motor is installed on one side of the box body. The output shaft of the second motor extends into the feeding cavity and is connected to the spiral blade.

[0010] Furthermore, the inner walls on both sides of the material guiding cavity are arranged to be inclined.

[0011] Compared with the prior art, the utility model provides a concrete waste recycling and utilization device, which has the following beneficial effects: after crushing the concrete waste, the concrete waste recycling and utilization device can perform further screening work, so that large particles and small particles in the crushed concrete waste can be distinguished for subsequent recycling. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0014] Figure 3 It is a plan view of the utility model;

[0015] Figure 4 It is a structural schematic diagram of the feed bin of the utility model.

[0016] In the figure: 1. box body; 2. feed bin; 3. guide cavity; 4. feeding cavity; 5. cavity; 6. screening cylinder; 7. connecting frame; 8. rotating shaft; 9. first motor; 10. first discharge port; 11. partition plate; 12. second discharge port; 13. crushing roller; 14. first pulley; 15. second pulley; 16. third pulley; 17. fourth pulley; 18. rotating rod; 19. supporting rod; 20. spiral blade; 21. second motor. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-4 The utility model discloses a concrete waste recycling and utilization device, comprising a box body 1 with a cavity 5 formed therein, a feed bin 2 is fixedly connected to the top of the box body 1, a guide cavity 3 communicating with the feed bin 2 is provided inside the box body 1, a feeding cavity 4 communicating with the cavity 5 and the guide cavity 3 is also provided inside the box body 1, a feeding mechanism is provided in the feeding cavity 4, two matching crushing rollers 13 are rotatably connected to the inside of the feed bin 2, a screening drum 6 is rotatably connected to the inner cavity of the cavity 5, a connecting frame 7 is installed in the inner cavity of the screening drum 6 away from the feeding cavity 4, a rotating shaft 8 fixedly connected to the connecting frame 7 is rotatably connected to the box body 1, and the rotating shaft 8 is driven by a driving mechanism, a partition plate 11 is provided in the inner cavity of the box body 1, a first discharge port 10 is provided at the bottom of the box body 1 at one side of the partition plate 11 close to the feeding cavity 4, and a second discharge port 12 is provided at the bottom of the box body 1 at the other side of the partition plate 11.

[0019] The inner diameter of the opening of the screening drum 6 close to the feeding chamber 4 is smaller than the inner diameter of the opening of the side away from the feeding chamber 4 , so that the material in the screening drum 6 can flow in the direction away from the feeding chamber 4 .

[0020] Specifically, the driving mechanism includes a first motor 9, a first pulley 14, and a second pulley 15. The first motor 9 is installed on one side of the box body 1, and the output shaft sleeve of the first motor 9 is provided with a first pulley 14. The rotating shaft 8 is provided with a second pulley 15 connected to the first pulley 14 through a belt drive.

[0021] In this embodiment, the first motor 9 drives the rotating shaft 8 through the first pulley 14, the second pulley 15 and the belt to drive the screening drum 6 to rotate so that the crushed concrete waste can be screened.

[0022] Specifically, the two crushing rollers 13 are meshed through gears, one of the crushing rollers 13 is connected to a rotating rod 18, a fourth pulley 17 is sleeved on the rotating rod 18, and a third pulley 16 connected to the fourth pulley 17 through a belt drive is sleeved on the rotating shaft 8.

[0023] In this embodiment, the first motor 9 can drive the rotating rod 18 through the cooperation of the third pulley 16, the fourth pulley 17 and the belt during the process of driving the rotating shaft 8, so that the two crushing rollers 13 can work.

[0024] Specifically, a support rod 19 through which the rotating rod 18 rotates is installed on the top of the box body 1.

[0025] In this embodiment, the support rod 19 is used to support the rotating rod 18 .

[0026] Specifically, the feeding mechanism includes a spiral blade 20 and a second motor 21 . The second motor 21 is installed on one side of the box body 1 . The output shaft of the second motor 21 extends into the feeding cavity 4 and is connected to the spiral blade 20 .

[0027] In this embodiment, the second motor 21 drives the spiral blade 20 to rotate, which is beneficial for conveying the crushed concrete waste in the feeding cavity 4 to the branch screening cylinder 6.

[0028] Specifically, the inner walls on both sides of the material guiding cavity 3 are inclined.

[0029] In summary, the concrete waste recycling and utilization device can perform further screening after crushing the concrete waste, so that large particles and small particles in the crushed concrete waste are distinguished for subsequent recycling.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A concrete waste recycling device, comprising a box (1) having a cavity (5) formed therein, characterized in that: The top of the box body (1) is fixedly connected to a feed bin (2), the interior of the box body (1) is provided with a material guide cavity (3) communicating with the feed bin (2), the interior of the box body (1) is also provided with a feeding cavity (4) communicating with the cavity (5) and the material guide cavity (3), a feeding mechanism is provided in the feeding cavity (4), the interior of the feed bin (2) is rotatably connected to two matching crushing rollers (13), the inner cavity of the cavity (5) is rotatably connected to a screening drum (6), and the screening drum (6) is remotely connected to the feed bin (2). A connecting frame (7) is installed in the inner cavity at one end away from the feeding cavity (4); a rotating shaft (8) fixedly connected to the connecting frame (7) is rotatably connected to the box body (1); the rotating shaft (8) is driven by a driving mechanism; a partition plate (11) is provided in the inner cavity of the box body (1); a first discharge port (10) is provided at the bottom of the box body (1) on one side of the partition plate (11) close to the feeding cavity (4); and a second discharge port (12) is provided at the bottom of the box body (1) on the other side of the partition plate (11).

2. The concrete waste recycling and utilization device according to claim 1 is characterized in that: The driving mechanism comprises a first motor (9), a first pulley (14) and a second pulley (15); the first motor (9) is installed on one side of the box body (1); the output shaft sleeve of the first motor (9) is provided with a first pulley (14); the rotating shaft (8) is provided with a second pulley (15) connected to the first pulley (14) through a belt transmission.

3. The concrete waste recycling and utilization device according to claim 2 is characterized in that: The two crushing rollers (13) are meshed through gears, one of the crushing rollers (13) is connected to a rotating rod (18), a fourth belt pulley (17) is sleeved on the rotating rod (18), and a third belt pulley (16) connected to the fourth belt pulley (17) through a belt transmission is sleeved on the rotating shaft (8).

4. The concrete waste recycling and utilization device according to claim 3 is characterized in that: A support rod (19) through which the rotating rod (18) rotates is installed on the top of the box body (1).

5. The concrete waste recycling and utilization device according to claim 1, characterized in that: The feeding mechanism comprises a spiral blade (20) and a second motor (21). The second motor (21) is installed on one side of the box body (1). The output shaft of the second motor (21) extends into the feeding cavity (4) and is connected to the spiral blade (20).

6. The concrete waste recycling and utilization device according to claim 1, characterized in that: The inner walls on both sides of the material guiding cavity (3) are arranged inclined.

Images