Building excess material recovery device

Abstract

The utility model discloses a building excess material recycling device which comprises a recycling box, a feeding port is formed in the upper portion of the recycling box, and two crushing rollers matched with each other are arranged in the recycling box. A drawable collecting box is arranged below the recycling box, and a material pushing assembly is arranged between the collecting box and the crushing rollers; the material pushing assembly comprises a material pushing plate, a lead screw and a material pushing motor, the material pushing motor is installed on the side face of the recycling box, the material pushing plate is provided with a threaded hole matched with the lead screw, and the material pushing motor can drive the material pushing plate to reciprocate above the collecting box through the lead screw. The material pushing assembly is arranged between the crushing roller and the collecting box, so that the height of powder at each position is smaller than or equal to the height of a box opening of the collecting box, the powder cannot be blocked by a notch in the recycling box to fall into the recycling box in the subsequent drawing process of the collecting box, and the powder collecting work is simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a device for recovering building waste materials. Background Art

[0002] Construction waste materials are divided into remaining concrete, building debris and waste generated by house decoration and renovation. Construction waste treatment remaining concrete refers to the excess concrete that is not used in the project. Construction waste treatment plants also include concrete that is not used in time due to suspension of construction for some reason. Construction debris includes old concrete, mortar and other mineral materials generated by chiseling, plastering, etc.

[0003] Patent 2023217268125 discloses a construction waste recycling and classification device for construction engineering, including a recycling box, a leaking plate fixedly connected to the inside of the recycling box, a magnet plate fixedly connected to the lower side of the leaking plate, a first motor and a second motor fixedly connected to one side of the recycling box, and the output shafts of the first motor and the second motor both pass through the recycling box, the output shaft of the first motor is fixedly connected to the first roller through a coupling, the output shaft of the second motor is fixedly connected to the second roller through a coupling, an extrusion block is arranged on the upper side of the first roller, a triangular block is fixedly connected to the upper side of the extrusion block, and a reciprocating mechanism is arranged on the upper side of the leaking plate. Although this device can crush concrete waste, the first roller and the second roller are located on the right side of the recycling box, and the crushed powder will accumulate on the right side of the collection box. After too much accumulation, it will affect the falling of the roller. Moreover, the powder accumulated on the right side of the collection box is much higher than the notch of the hollow groove. When the collection box is pulled out, part of the powder above the notch will be pushed to the bottom of the recycling box, and the user has to clean it up extra, which is very inconvenient. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a construction waste material recovery device, which can automatically flatten the powder in the collection box, extend the working time, and prevent a large amount of powder from falling into the recovery box.

[0005] To this end, the technical solution of the utility model is: a construction waste material recycling device, including a recycling box, a feeding port is provided above the recycling box, and two crushing rollers that cooperate with each other are provided in the recycling box; a pull-out collection box is provided below the recycling box, and a pushing assembly is provided between the collection box and the crushing rollers; the pushing assembly includes a pushing plate, a screw rod and a pushing motor, the pushing motor is installed on the side of the recycling box, the pushing plate is provided with a threaded hole that cooperates with the screw rod, and the pushing motor can drive the pushing plate to reciprocate above the collection box through the screw rod.

[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: sliding blocks are provided on both sides of the push plate, and sliding grooves are provided on the front and rear sides of the recovery box, and the screw drives the push plate to move along the sliding grooves.

[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: the push plate includes a plate-like body and flexible comb teeth, the plate-like body is higher than the box opening of the collection box, and the flexible comb teeth are made of rubber and can extend into the collection box.

[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: a feeding trough is provided below the feeding port, and the crushing roller is located below the outlet of the feeding trough.

[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: a material pressing block is also provided above the crushing roller, and the material pressing block is installed on a reciprocating lifting mechanism.

[0010] On the basis of the above scheme and as the preferred scheme of the above scheme: the reciprocating lifting mechanism includes a pressing motor, an eccentric wheel, a connecting rod and a lifting rod, the lifting rod is inserted from the top of the recovery box, the bottom of the lifting rod is fixedly connected to the pressing block, and the top is rotatably connected to one end of the connecting rod; the eccentric wheel is installed on the pressing motor, and the other end of the connecting rod is rotatably connected to the eccentric wheel. The pressing motor drives the pressing block to reciprocate up and down through the eccentric wheel, the connecting rod and the lifting rod.

[0011] When in use, pour the construction waste to be processed from the feed port, and the feed port goes along the feed trough into between the two crushing rollers. The crushing rollers are provided with cutting teeth to crush the construction waste; at the same time, the pressing motor can be started, and the pressing motor drives the pressing block to move up and down through the eccentric wheel, connecting rod and lifting rod to press the construction waste into the crushing roller; after a period of crushing, start the pushing motor, and the pushing motor drives the screw rod to rotate, so that the pushing plate moves along the slide grooves on both sides of the recovery box under the drive of the screw rod, and the pushing plate can push the powder accumulated under the crushing roller to the other side of the collection box to prevent the powder pile from being higher than the box mouth height of the collection box, which is convenient for the subsequent pulling and pulling of the collection box.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: a pushing assembly is arranged between the crushing roller and the collecting box, and the pushing motor can drive the pushing plate to reciprocate above the collecting box, thereby preventing the powder from accumulating too high on one side of the crushing roller, and flexible comb teeth made of rubber material are arranged under the pushing plate, and this part of the comb teeth can be inserted into the collecting box to sort the powder, but will not interfere with the pulling of the collecting box; the pushing assembly can make the powder height at each position less than or equal to the box mouth height of the collecting box, so that in the subsequent pulling process of the collecting box, the powder will not be blocked by the slot on the recycling box and fall into the recycling box, thereby simplifying the powder collection work. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings.

[0014] Figure 1 , 2 It is a structural cross-sectional view of the utility model in two working periods;

[0015] Figure 3 It is a structural schematic diagram of the push plate of the utility model.

[0016] Marked in the figure are: recovery box 1, feed port 2, feed trough 3, crushing roller 4, collection box 5, roller 51, pushing assembly 6, pushing plate 61, plate-like body 611, flexible comb teeth 612, screw 62, pushing motor 63, threaded hole 64, slider 65, pressing block 71, pressing motor 72, eccentric wheel 73, connecting rod 74, lifting rod 75. DETAILED DESCRIPTION

[0017] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0018] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0019] See the attached drawings. The construction waste recycling device described in this embodiment includes a recycling box 1, a feed port 2 is provided above the recycling box 1, a feed trough 3 is provided below the feed port 2, the trough surface of the feed trough 3 can be selected to have a mesh, and during the material discharge process, a part of the powder can directly fall through the mesh; two mutually cooperating crushing rollers 4 are provided in the recycling box 1, the crushing roller 4 is located below the outlet of the feed trough 3, and the construction waste falls directly into the working area of ​​the crushing roller 4 along the discharge trough 3; a driving motor is provided behind the crushing roller 4, and the two crushing rollers rotate towards each other under the drive of the driving motor, and the cutting teeth on the crushing rollers work together to crush the construction waste into powder. The crushing roller and its driving mechanism are existing mature technologies and will not be described in detail.

[0020] A pull-out collecting box 5 is provided below the recycling box 1, and a material clearing port for the collecting box to enter and exit is provided on the recycling box 1; a pull rod is provided on the outer side of the collecting box 5, and a roller 51 can be provided at the bottom of the collecting box 5 to facilitate the pulling out of the collecting box 5; and after the collecting box is pulled out, it can also be moved under the action of the roller, so that the collecting box can be conveniently taken to other places for cleaning.

[0021] A push assembly 6 is provided between the collection box 5 and the crushing roller 4. The push assembly 6 includes a push plate 61, a screw 62 and a push motor 63. The push motor 63 is installed on the side of the recovery box 1. The push plate 61 is provided with a threaded hole 64 that matches the screw 62. The push motor 63 can drive the push plate 61 to reciprocate above the collection box 5 through the screw 62. Slide blocks 65 are provided on both sides of the push plate 61. The front and rear sides of the recovery box 1 are provided with slide grooves. The screw drives the push plate to move along the slide grooves. The push plate 61 includes a plate-like body 611 and flexible comb teeth 612. The plate-like body 611 is made of rigid material and needs to be higher than the box opening of the collection box. The flexible comb teeth 612 are made of rubber material and can be extended into the collection box.

[0022] A pressing block 71 is also provided above the crushing roller 4, and the pressing block 71 is installed on a reciprocating lifting mechanism; the reciprocating lifting mechanism includes a pressing motor 72, an eccentric wheel 73, a connecting rod 74 and a lifting rod 75, and the lifting rod 75 is inserted from the top of the recovery box 1, and the bottom of the lifting rod 75 is fixedly connected to the pressing block 71, and the top is rotatably connected to one end of the connecting rod 74; the eccentric wheel 73 is installed on the pressing motor 72, and the other end of the connecting rod 74 is rotatably connected to the eccentric wheel 73. The pressing motor 72 drives the pressing block 72 to reciprocate up and down through the eccentric wheel 73, the connecting rod 74 and the lifting rod 75.

[0023] When in use, the construction waste to be processed is poured into the material feed port 3 along the feed trough 4 and enters between the two crushing rollers 4. The crushing rollers 4 are provided with cutting teeth, which can crush the construction waste; at the same time, the pressing motor 72 can be started, and the pressing motor 72 drives the pressing block 71 to move up and down through the eccentric wheel 73, the connecting rod 74, and the lifting rod 75, so as to press the construction waste into the crushing roller 4; after crushing for a period of time, the pushing motor 63 is started, and the pushing motor 63 drives the screw rod 62 to rotate, so that the pushing plate 61 moves along the chute on both sides of the recovery box under the drive of the screw rod, and the pushing plate 61 can push the powder accumulated under the crushing roller 4 to the other side of the collecting box 5 to prevent the powder pile from being higher than the box opening height of the collecting box, so as to facilitate the subsequent cleaning work of the collecting box.

[0024] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A construction waste material recycling device, comprising a recycling box, a material inlet is provided above the recycling box, two mutually cooperating crushing rollers are provided in the recycling box; a drawable collection box is provided below the recycling box, characterized in that: A pushing assembly is provided between the collecting box and the crushing roller; the pushing assembly includes a pushing plate, a screw and a pushing motor, the pushing motor is installed on the side of the recovery box, the pushing plate is provided with a threaded hole matching the screw, and the pushing motor can drive the pushing plate to reciprocate above the collecting box through the screw.

2. A construction waste material recovery device as claimed in claim 1, characterized in that: Slide blocks are arranged on both sides of the push plate, and slide grooves are arranged on the front and rear sides of the recovery box, and the screw rod drives the push plate to move along the slide grooves.

3. A construction waste material recovery device as claimed in claim 1, characterized in that: The push plate includes a plate-shaped body and flexible comb teeth. The plate-shaped body is higher than the box opening of the collection box. The flexible comb teeth are made of rubber material and can extend into the collection box.

4. A construction waste material recovery device as claimed in claim 1, characterized in that: A feeding trough is arranged below the feeding port, and a crushing roller is located below the outlet of the feeding trough.

5. A construction waste material recycling device as claimed in claim 1, characterized in that: A material pressing block is also arranged above the crushing roller, and the material pressing block is installed on a reciprocating lifting mechanism.

6. A construction waste material recovery device as claimed in claim 5, characterized in that: The reciprocating lifting mechanism includes a pressing motor, an eccentric wheel, a connecting rod and a lifting rod. The lifting rod is inserted from the top of the recovery box, the bottom of the lifting rod is fixedly connected to the pressing block, and the top is rotatably connected to one end of the connecting rod; the eccentric wheel is installed on the pressing motor, and the other end of the connecting rod is rotatably connected to the eccentric wheel. The pressing motor drives the pressing block to reciprocate up and down through the eccentric wheel, the connecting rod and the lifting rod.

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