CN217646836U - Construction rubbish is smashed and is used multistage sieving mechanism - Google Patents

Abstract

The utility model discloses a multi-stage screening device for pulverizing construction waste, comprising a screening device and a driving device, the driving device is fixedly installed on the center of the outer surface of the screening device, and the center of the top surface of the screening device is provided with a feeding material A feeding hopper is rotated and fastened inside the top feeding channel of the screening device, a fastening ring is fixedly connected to the outer surface of the bottom edge of the feeding hopper, and a protective cover is uniformly welded on the outer surface of the screening device. The center of the outer side of the screening device is evenly provided with limited shaft holes, the inner center of the screening device and located in the inner center of the protective cover is rotatably installed with a filter type stainless steel mesh belt, and the inside of the driving device is fixedly installed with a fixing frame. The utility model can drive the multi-stage filtering stainless steel mesh belt inside the screening device to run synchronously by installing a drive device on the outer side of the screening device, thereby efficiently screening the construction waste entering the screening device.

Description

A multi-stage screening device for crushing construction waste

technical field

The utility model relates to the technical field of construction waste crushing and screening equipment, in particular to a multi-stage screening device for crushing construction waste.

Background technique

Construction waste refers to the muck, spoil, waste material, silt and other wastes generated during the construction, laying, demolition and repair of various buildings, structures, pipeline networks, etc. by construction units or individuals. Before the construction waste is processed, it is necessary to screen the construction waste, so as to classify the construction waste, avoid the mixing of the construction waste, and increase the difficulty of processing. Screening efficiency.

However, the existing construction waste screening device still has some deficiencies in the use process. The simultaneous screening efficiency of multiple particle sizes requires a multi-stage screening device for crushing construction waste to solve the above problems.

Utility model content

The purpose of this utility model is to provide a multi-stage screening device for pulverizing construction waste, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a multi-stage screening device for pulverizing construction waste, comprising a screening device and a driving device, the driving device is fixedly installed in the center of the outer surface of the screening device, and the screening device A feeding channel is opened in the center of the top surface of the screen, a feeding hopper is rotated and fastened inside the top feeding channel of the screening device, and a fastening ring is fixedly connected to the outer surface of the bottom edge of the feeding hopper. The outer surface is uniformly welded with a protective cover, the center of the outer side of the screening device is evenly provided with limited shaft holes, and a filter-type stainless steel mesh belt is rotatably installed in the inner center of the screening device and located in the inner center of the protective cover. A fixing frame is fixedly installed inside, a driving motor is fixedly installed on the side center of the fixing frame, and a driving sprocket is fixedly connected to one end of the driving motor. A sprocket set, the side center of the sprocket set is welded with a support shaft, the outer surfaces of both ends of the sprocket set are respectively rotated and sleeved with a transmission chain, the two ends of the fixed frame and the side center of the driving sprocket are A drive shaft is rotatably installed.

Preferably, the feeding hopper is rotatably fastened to the inside of the feeding channel through a fastening ring on the outer surface of the bottom.

Preferably, the support shafts are rotatably connected to the side surface of the screening device through the limiting shaft holes.

Preferably, both ends of the filter-type stainless steel mesh belt are rotatably connected to the interior of the protective cover through a transmission shaft.

Preferably, the drive motor is fixedly connected to the center of the outer side surface of the screening device through a fixing frame, and a deflector is fixedly connected to the outer surface of the bottom of one end of the protective cover.

Preferably, the interior of the sprocket set is divided into three sprockets arranged side by side, the filter-type stainless steel mesh belt is provided with filter holes on the outer surface, and three groups of filter-type stainless steel mesh belts are arranged inside the screening device. , the size of the filter holes between the filter-type stainless steel mesh belts decreases sequentially from top to bottom in multiples.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

1. The utility model can change the transmission direction of the three groups of filter-type stainless steel mesh belts by rotating and engaging the sprocket group on the outer surface of the driving sprocket, so as to ensure that the screened construction waste is stably transported out of the screening device. Centralized collection is carried out inside, and a deflector is set at one end of the top protective cover, which can conduct the screening of construction waste and prevent the construction waste from falling directly and being mixed with the construction waste screened at the bottom.

2. By installing a drive device on the outer side of the screening device, the utility model can drive the multi-stage filtering stainless steel mesh belt inside the screening device to run synchronously, thereby efficiently screening the construction waste entering the screening device.

Description of drawings

Fig. 1 is the main structure schematic diagram of the present utility model;

Fig. 2 is the cutaway schematic diagram of the screening device of the present invention;

FIG. 3 is a schematic structural diagram of the driving device of the present invention.

In the picture: 1-screening device, 2-driving device, 3-filtering stainless steel mesh belt, 4-feeding channel, 5-buckling ring, 6-feeding hopper, 7-protective cover, 8-limiting shaft hole , 9-drive shaft, 10-drive chain, 11-fixed frame, 12-sprocket group, 13-drive motor, 14-drive sprocket, 15-support shaft.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, an embodiment provided by the present utility model: a multi-stage screening device for crushing construction waste, comprising a screening device 1 and a driving device 2, the driving device 2 is fixedly installed on the outer surface of the screening device 1 In the center, the center of the top surface of the screening device 1 is provided with a feeding channel 4, the top feeding channel 4 of the screening device 1 is rotated and fastened inside the feeding hopper 6, and the outer surface of the bottom edge of the feeding hopper 6 is fixedly connected with a fastening ring 5. The outer surface of the screening device 1 is uniformly welded with a protective cover 7, the center of the outer side of the screening device 1 is evenly provided with a limit shaft hole 8, and the inner center of the screening device 1 and located in the inner center of the protective cover 7 is rotated and installed with a filter type stainless steel mesh Belt 3, a fixing frame 11 is fixedly installed inside the driving device 2, a driving motor 13 is fixedly installed on the side center of the fixing frame 11, one end of the driving motor 13 is fixedly connected with a driving sprocket 14, and the outer surface of the driving sprocket 14 is located in the A sprocket set 12 is rotatably connected to the side center of the fixed frame 11 , a support shaft 15 is welded to the side center of the sprocket set 12 , and the outer surfaces of both ends of the sprocket set 12 are respectively rotatably sleeved with a transmission chain 10 . And the drive shaft 9 is rotatably installed on the side center of the drive sprocket 14 .

The feeding hopper 6 is rotationally fastened to the interior of the feeding channel 4 through the fastening ring 5 on the outer surface of the bottom, so that the rotation direction of the feeding hopper 6 can be easily adjusted.

Both the support shafts 15 and 19 are rotatably connected to the side surface of the screening device 1 through the limiting shaft hole 8 , so as to support and limit the rotation of the sprocket group 12 and the transmission shaft 9 .

Both ends of the filter-type stainless steel mesh belt 3 are rotatably connected to the inside of the protective cover 7 through the transmission shaft 9 , so that the filter-type stainless steel mesh belt 3 is limited inside the protective cover 7 .

The drive motor 13 is fixedly connected to the center of the outer side of the screening device 1 through the fixing frame 11, and the outer surface of the bottom of one end of the protective cover 7 is fixedly connected with a deflector, which can conduct the screening of the construction waste and avoid the screening of the waste. .

The inside of the sprocket group 12 is divided into three sprockets arranged side by side, so that the filter type stainless steel mesh belt 3 with different heights can be driven to run synchronously. A total of three groups of filter-type stainless steel mesh belts 3 are arranged inside, and the size of the filter holes between the filter-type stainless steel mesh belts 3 decreases sequentially from top to bottom in multiples, so that the construction waste entering the screening device 1 can be filtered in multiple stages.

Working principle: When the construction waste is screened, firstly adjust the rotation of the feeding hopper 6 according to the feeding direction of the construction waste, and pull the feeding hopper 6 to rotate inside the feeding channel 4 through the buckle ring 5 until the material is fed. The direction of the feeding port of the hopper 6 is the same as the feeding direction, so that it is convenient to transport construction waste to the interior of the screening device 1, and then the driving motor 13 is powered on, and the driving motor 13 is controlled to rotate and run. At the same time, the drive sprocket 14 will drive the sprocket set 12 meshed and connected on the outer surface to rotate synchronously. When the sprocket set 12 rotates, it will drive the transmission chain 10 on the outer surfaces of both ends to rotate synchronously. At the same time, the transmission chain 10 will drive the transmission shaft 9 at one end to rotate. While the transmission shaft 9 is rotating, it will drive the filter-type stainless steel mesh belt 3 to rotate synchronously inside the protective cover 7, and then the construction waste will pass through the feeding hopper. 6 is transported to the inside of the feed channel 4, and as the construction waste descends, it will fall on the upper surface of the top filter type stainless steel mesh belt 3. Because the filter pore size on the surface of the top filter type stainless steel mesh belt 3 is large, the top filter The filter-type stainless steel mesh belt 3 will initially screen the construction waste with large particle size, and at the same time, with the rotation of the filter-type stainless steel mesh belt 3, the filtered construction waste will be transported to the inside of the screening device 1 at one end. , so that the filtered construction waste can be collected and processed centrally, and the construction waste passing through the top filter type stainless steel mesh belt 3 will fall to the upper surface of the bottom two-stage filter type stainless steel mesh belt 3 for re-screening and filtering, and finally The screened fine-grained construction waste will fall to the bottom ground directly below the screening device 1, so as to complete the multi-stage synchronous screening of construction waste. The multi-stage filtering stainless steel mesh belts 3 run synchronously, so as to efficiently screen the construction waste entering the screening device 1 .

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A multi-stage screening device for pulverizing construction waste, comprising a screening device (1) and a driving device (2), wherein the driving device (2) is fixedly installed in the center of the outer surface of the screening device (1) , the center of the top surface of the screening device (1) is provided with a feeding channel (4), and the top feeding channel (4) of the screening device (1) is internally rotated and fastened with a feeding hopper (6). The outer surface of the bottom edge of the feeding hopper (6) is fixedly connected with a buckle ring (5), the outer surface of the screening device (1) is uniformly welded with a protective cover (7), and the outer surface of the screening device (1) is uniformly welded. A limit shaft hole (8) is evenly opened in the center, and a filter-type stainless steel mesh belt (3) is rotatably installed inside the screening device (1) and located in the inner center of the protective cover (7). A fixing frame (11) is fixedly installed inside, a driving motor (13) is fixedly installed on the side center of the fixing frame (11), and a driving sprocket (14) is fixedly connected to one end of the driving motor (13). A sprocket group (12) is rotatably connected to the outer surface of the drive sprocket (14) and is located at the center of the side surface of the fixing frame (11), and a support shaft (15) is welded to the center of the side surface of the sprocket group (12). The outer surfaces of the two ends of the wheel set (12) are respectively rotatably sleeved with a transmission chain (10), and both ends of the fixing frame (11) and the side center of the driving sprocket (14) are rotatably installed with a transmission shaft (9). . 2 . The multi-stage screening device for pulverizing construction waste according to claim 1 , wherein the feeding hopper ( 6 ) passes through the buckle ring ( 5 ) on the outer surface of the bottom and the feeding channel ( 4 ). 3 . ) of the internal turn buckle. 3. The multi-stage screening device for pulverizing construction waste according to claim 2, wherein the supporting shafts (15) and (19) pass through the limiting shaft hole (8) and the screening device (1). ) side turning connection. 4. The multi-stage screening device for pulverizing construction waste according to claim 3, wherein the two ends of the filter-type stainless steel mesh belt (3) pass through the transmission shaft (9) and the protective cover (7) of the internal rotary connection. 5 . The multi-stage screening device for pulverizing construction waste according to claim 4 , wherein the drive motor ( 13 ) is fixedly connected to the center of the outer side of the screening device ( 1 ) through a fixing frame ( 11 ). 6 . A deflector is fixedly connected to the outer surface of the bottom of one end of the protective cover (7). 6. The multi-stage screening device for pulverizing construction waste according to claim 5, characterized in that: the interior of the sprocket group (12) is divided into three sprockets arranged side by side, and the filter-type stainless steel mesh The outer surface of the belt (3) is provided with filter holes, and three groups of filter-type stainless steel mesh belts (3) are arranged inside the screening device (1). The size of the holes decreases in multiples from top to bottom.

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