Building waste regeneration machine-made sand screening device

Abstract

The utility model discloses a construction waste regeneration machine-made sand screening device which comprises a machine frame, a feeding port is formed in the top of the machine frame, two opposite elastic frames are rotationally connected to the machine frame, the same screen is arranged between the two elastic frames, a first rotation driving device is installed on the machine frame, and a second rotation driving device is installed on the machine frame. The output end of the first rotary driving device is in transmission connection with one elastic frame, a movable frame is slidably connected to the rack in a clamped mode, and two second rotary driving devices are installed on the movable frame. After the elastic frame drives the screen to turn over, one crank on the movable frame is driven by the second rotary driving device to work, so that the screen vibrates, and sand grains clamped on the screen can be vibrated down; when the elastic frame drives the screen to rotate, the sliding mechanism drives the guide block to move synchronously, large sand grains blocked by the screen can be vibrated down and enter the first channel, sand grains normally passing through the screen enter the second channel, and therefore the large sand grains and the sand grains are collected in a separated mode.

Description

Technical Field

[0001] The utility model relates to the technical field of screening of construction waste recycled manufactured sand, in particular to a screening device for construction waste recycled manufactured sand. Background Art

[0002] Manufactured sand refers to sand processed by sand making machines and other auxiliary equipment. Using manufactured sand can not only save energy and protect the environment, but also save raw material costs for customers. Compared with natural sand, the cost of manufactured sand is reduced by 50%. The performance of premixed mortar produced with high-quality manufactured sand is better than that of natural sand. During the production process of manufactured sand, sands of different rules and sizes often appear, and sands of different rules and sizes have different requirements in different processes, so it is necessary to screen and classify the processed manufactured sand.

[0003] After screening by the existing screening device for construction waste recycled manufactured sand, it is necessary to remove the screen mesh to clean and collect the sand grains stuck on it, which is rather troublesome. Therefore, it is necessary to design a screening device for construction waste recycled manufactured sand. Summary of the Utility Model

[0004] Based on this, in view of the above technical problems, it is necessary to provide a screening device for construction waste recycled manufactured sand.

[0005] To achieve the above object, the utility model provides a screening device for construction waste recycled manufactured sand, which includes a frame. An inlet is arranged at the top of the frame. Two oppositely arranged elastic frames are rotatably connected to the frame. A same screen mesh is arranged between the two elastic frames. A first rotary driving device is installed on the frame, and the output end of the first rotary driving device is in transmission connection with one of the elastic frames. A moving frame is slidably clamped on the frame. Two second rotary driving devices are installed on the moving frame. The two second rotary driving devices are located on the upper and lower sides of the first rotary driving device. The output end of the second rotary driving device is in transmission connection with a crank, and the crank is arranged in cooperation with the screen mesh. A driving mechanism for driving the moving frame to move is installed on the frame. A first channel and a second channel are arranged at the bottom of the frame. A guiding block is slidably clamped on the frame, and the guiding block is arranged in cooperation with the first channel and the second channel. A sliding mechanism for driving the guiding block to move is installed on the frame.

[0006] Preferably, sleeves are installed on both the upper and lower sides of the elastic frame. A sleeve shaft is slidably clamped in the sleeve. A first spring is installed in the sleeve. The output end of the first spring is connected to the sleeve shaft, and the output end of the sleeve shaft is connected to the screen mesh.

[0007] Preferably, the driving mechanism includes two gears and a rack. The two gears are both rotatably connected to the frame. The two gears are meshed with each other. The two racks are installed on the left and right sides of the moving frame. The gears are meshed with the rack. One of the gears is in transmission connection with the output end of the first rotary driving device through a belt transmission assembly.

[0008] Preferably, the sliding mechanism includes gear 2 and rack 2, gear 2 is rotatably connected to the frame, rack 2 is installed on the guide block, gear 2 and rack 2 are meshed and connected, and gear 2 is transmission connected to the gear through a belt drive assembly.

[0009] Preferably, a fixed shaft is installed on the elastic frame, and the screen is slidably connected to the fixed shaft.

[0010] Preferably, a plurality of guide blocks are installed in the frame.

[0011] Preferably, fixed frames are installed on both sides of the frame, the movable frame is slidably connected to the fixed frame, a plurality of extrusion grooves are provided on the fixed frame, an extrusion block is slidably engaged in the extrusion groove, the extrusion block abuts against the movable frame, a second spring is installed in the extrusion groove, and the output end of the second spring is connected to the extrusion block.

[0012] Compared with the prior art, this technical solution has at least one of the following beneficial effects:

[0013] After the screen is turned over by the elastic frame, one of the cranks on the movable frame works under the drive of the second rotary drive device, so that the screen vibrates and the sand particles stuck on it can be shaken off;

[0014] When the elastic frame drives the screen to rotate, the sliding mechanism drives the guide block to move synchronously, so that the large sand particles blocked by the screen can be shaken down and enter channel one, while the sand particles that normally pass through the screen enter channel two, so that the two can be collected separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of an embodiment of the utility model;

[0016] Figure 2 It is a front cross-sectional view of an embodiment of the utility model;

[0017] Figure 3 A three-dimensional diagram of a mobile frame according to an embodiment of the present utility model;

[0018] Figure 4 It is a partial top view of a fixed frame and a movable frame of an embodiment of the utility model;

[0019] In the figure, 1, frame; 2, elastic frame; 3, screen; 4, rotation drive device 1; 5, moving frame; 6, rotation drive device 2; 7, crank; 8, channel 1; 9, channel 2; 10, guide block; 11, sleeve; 12, sleeve shaft; 13, spring 1; 14, gear; 15, rack; 16, gear 2; 17, rack 2; 18, fixed shaft; 19, guide block; 20, fixed frame; 21, extrusion groove; 22, extrusion block; 23, spring 2. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0021] See also Figures 1 to 4 The embodiment of the present application provides a sand screening device for recycling construction waste, including a frame 1, a feeding port is provided on the top of the frame 1, two elastic frames 2 arranged opposite to each other are rotatably connected to the frame 1, a same screen 3 is provided between the two elastic frames 2, a rotating drive device 4 is installed on the frame 1, a hole for a belt to pass through is provided on the bottom plate where the rotating drive device 4 is installed, the rotating drive device 4 can be a servo motor, the output end of the rotating drive device 4 is transmission-connected to one of the elastic frames 2, a moving frame 5 is slidably connected to the frame 1, two rotating drive devices 6 are installed on the moving frame 5, and the rotating drive device 4 can be a servo motor, and the output end of the rotating drive device 4 is transmission-connected to one of the elastic frames 2. The moving device 2 6 can be a servo motor. The two rotating driving devices 2 6 are located on the upper and lower sides of the rotating driving device 1 4. The output end of the rotating driving device 2 6 is connected to the crank 7. The crank 7 is arranged in cooperation with the screen 3. The frame 1 is equipped with a driving mechanism for driving the moving frame 5 to move. The driving mechanism is arranged so that in order to avoid the collision between the screen 3 and the crank 7 when rotating, a channel 1 8 and a channel 2 9 are provided at the bottom of the frame 1. A guide block 10 is slidably connected to the frame 1. The guide block 10 is arranged in cooperation with the channel 1 8 and the channel 2 9. A sliding mechanism for driving the guide block 10 to move is installed on the frame 1.

[0022] In this embodiment, the material enters from the feed port on the top of the frame 1, and after falling onto the screen 3, the crank 7 is driven to rotate by the rotary drive device 2 6 under the mobile frame 5, so that the screen 3 has a vibration screening effect on the material through the collision of the crank 7 and the screen 3. When the screening is completed once and the screen needs to be cleaned, the rotary drive device 1 4 drives the screen 3 to flip 180 degrees through the elastic frame 2. When flipping, the driving mechanism drives the mobile frame 5 to move downward at the same time, so that the crank under the mobile frame 5 will not collide with the screen when the screen 3 is flipped. 3 will not collide with the crank 7 which is descending above the moving frame 5, and when the screen 3 is turned over, the rotating drive device 2 6 above the moving frame 5 can drive the crank 7 to vibrate in coordination with the screen 3, so that the sand particles stuck on the screen 3 can be shaken off; and when the screen 3 is turned over, the sliding mechanism drives the guide block 10 to move, and blocks the channel 2 9 through which the sand particles pass during normal screening, so that the large sand particles stuck by the screen 3 can only be sent out from the channel 1 8, thereby achieving the purpose of separating and collecting the large sand particles.

[0023] In some embodiments, in order to achieve the purpose of vibrating the screen 3 when the crank 7 collides with the screen 3, a plurality of sleeves 11 are installed on the upper and lower sides of the elastic frame 2, a sleeve shaft 12 is slidably clamped in the sleeve 11, a spring 13 is installed in the sleeve 11, the output end of the spring 13 is connected to the sleeve shaft 12, and the output end of the sleeve shaft 12 is connected to the screen 3.

[0024] In some embodiments, in order to enable the driving mechanism to drive the mobile frame 5 to move synchronously, a driving mechanism is set up including two gears 14 and a rack 15. The two gears 14 are rotatably connected to the frame 1, the two gears 14 are meshed and connected, and the two racks 15 are installed on the left and right sides of the mobile frame 5. The gears 14 are meshed and connected with the racks 15. The two gears 14 are respectively meshed with the racks 15 on both sides of the mobile frame 5, and one of the gears 14 is connected to the output end of the rotating drive device 4 through a belt drive assembly.

[0025] In some embodiments, in order to enable the sliding mechanism to drive the guide block 10 to slide synchronously, the sliding mechanism is set to include gear 2 16 and rack 2 17, gear 2 16 is rotatably connected to the frame 1, rack 2 17 is installed on the guide block 10, gear 2 16 and rack 2 17 are meshed and connected, and gear 2 16 is connected to gear 14 through a belt drive assembly.

[0026] In some embodiments, in order to facilitate the protection of the sleeve 11 and the sleeve shaft 12 , a fixed shaft 18 is installed on the elastic frame 2 , and the screen 3 is slidably connected to the fixed shaft 18 .

[0027] In some embodiments, in order to facilitate guiding the sand particles so that they can be output from a designated channel, a plurality of guide blocks 19 are installed in the frame 1 .

[0028] In some embodiments, to play a certain braking and guiding role for the moving frame 5, fixed frames 20 are installed on both sides of the frame 1. The moving frame 5 is slidably connected to the fixed frames 20. A number of extrusion grooves 21 are provided on the fixed frames 20. An extrusion block 22 is slidably clamped in the extrusion groove 21. The extrusion block 22 abuts against the moving frame 5. A second spring 23 is installed in the extrusion groove 21. The output end of the second spring 23 is connected to the extrusion block 22. The two symmetrically arranged fixed frames 20 play a guiding role for the moving frame 5 sliding therein, and the number of extrusion blocks 22 provided on the fixed frames 20 play a friction braking effect on the moving frame 5 to prevent it from dropping due to gravity.

[0029] The technical features of the above embodiments can be combined arbitrarily. For the sake of brief description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0030] The above embodiments only express several implementation manners of the present utility model. The description is relatively specific and detailed, but it should not be understood as a limitation to the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

[0031] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model.

[0032] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0033] In the present utility model, unless otherwise clearly stipulated and defined, terms such as "installation", "connection", "linkage", "fixation" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral one; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Claims

1. A construction waste regeneration machine sand screening device, comprising a frame (1), a feed inlet being provided on the top of the frame (1), characterized in that: The frame (1) is rotatably connected to two elastic frames (2) arranged in opposite directions, a common screen (3) is arranged between the two elastic frames (2), a rotary drive device (4) is installed on the frame (1), an output end of the rotary drive device (4) is drivingly connected to one of the elastic frames (2), a movable frame (5) is slidably connected to the frame (1), two rotary drive devices (6) are installed on the movable frame (5), the two rotary drive devices (6) are located on the upper and lower sides of the rotary drive device (4), a crank (7) is drivingly connected to the output end of the rotary drive device (6), the crank (7) is arranged in cooperation with the screen (3), a driving mechanism for driving the movable frame (5) to move is installed on the frame (1), a channel (8) and a channel (9) are arranged at the bottom of the frame (1), a guide block (10) is slidably connected to the frame (1), the guide block (10) is arranged in cooperation with the channel (8) and the channel (9), and a sliding mechanism for driving the guide block (10) to move is installed on the frame (1).

2. The construction waste recycling machine sand screening device according to claim 1 is characterized in that: The elastic frame (2) is provided with sleeves (11) on both upper and lower sides, a sleeve shaft (12) is slidably engaged in the sleeve (11), a spring (13) is installed in the sleeve (11), an output end of the spring (13) is connected to the sleeve shaft (12), and an output end of the sleeve shaft (12) is connected to the screen (3).

3. The construction waste recycling machine sand screening device according to claim 1 is characterized in that: The driving mechanism comprises two gears (14) and a rack (15), the two gears (14) are rotatably connected to the frame (1), the two gears (14) are meshedly connected, the two racks (15) are mounted on the left and right sides of the moving frame (5), the gears (14) are meshedly connected with the racks (15), and one of the gears (14) is connected to the output end of the rotating driving device (4) via a belt transmission assembly.

4. The construction waste recycling machine sand screening device according to claim 1, characterized in that: The sliding mechanism comprises a second gear (16) and a second rack (17), wherein the second gear (16) is rotatably connected to the frame (1), the second rack (17) is mounted on the guide block (10), the second gear (16) and the second rack (17) are meshingly connected, and the second gear (16) is transmission-connected to the gear (14) via a belt transmission assembly.

5. The construction waste recycling machine sand screening device according to claim 1, characterized in that: A fixed shaft (18) is mounted on the elastic frame (2), and the screen (3) is slidably connected to the fixed shaft (18).

6. The construction waste recycling machine sand screening device according to claim 1, characterized in that: A plurality of guide blocks (19) are installed in the frame (1).

7. The construction waste recycling machine sand screening device according to claim 1, characterized in that: Fixed frames (20) are installed on both sides of the frame (1), the movable frame (5) is slidably connected to the fixed frame (20), a plurality of extrusion grooves (21) are provided on the fixed frame (20), an extrusion block (22) is slidably engaged in the extrusion groove (21), the extrusion block (22) is in contact with the movable frame (5), a second spring (23) is installed in the extrusion groove (21), and an output end of the second spring (23) is connected to the extrusion block (22).

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