CN210333270U

CN210333270U - Domestic waste roll screen

Info

Publication number: CN210333270U
Application number: CN201920546764.9U
Authority: CN
Inventors: 江广机
Original assignee: Guangzhou Limei Environmental Protection Technology Co ltd
Current assignee: Guangzhou Limei Environmental Protection Technology Co ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-04-17
Anticipated expiration: 2029-04-18

Abstract

The utility model discloses a domestic garbage rolling sieve, which comprises a sieve barrel, wherein the inner wall of the sieve barrel is provided with a plurality of bag breaking cutter sets, each bag breaking cutter set consists of at least two bag breaking cutters which are arranged in parallel, so that a bearing platform is formed on the cutter point part of each bag breaking cutter set, and materials are conveniently thrown forwards; the bag breaking knife group is obliquely arranged along the advancing direction of the materials so as to further push the materials forwards; the bearing platform is basically flush with the axis of the screen drum in the radial direction, so that materials on the bearing platform pass through the vicinity of the axis when falling off, and lighter sheet-shaped objects are easy to blow out. Therefore, the utility model discloses a broken bag sword sets up more rationally, can be better break the bag, promote rubbish and go forward and can be better sort domestic waste.

Description

Domestic waste roll screen

Technical Field

The utility model belongs to the field of sorting domestic waste, concretely relates to roll screen field with selection by winnowing function.

Background

In the prior art, a rolling screen (drum screen) is generally adopted for screening domestic garbage, the rolling screen comprises a screen cylinder which is obliquely arranged, a fan is arranged at a feeding port of the screen cylinder, the screen cylinder is driven by a driving device to rotate, when the screen cylinder rotates, materials are continuously thrown forwards by rolling the materials, in the process that the materials roll forwards, the materials with the size smaller than the mesh of the screen cylinder leak from the mesh and enter a hopper below the screen cylinder, and the materials with the larger size are thrown out from a discharging port; the lighter materials such as plastic bags, waste paper, etc. are blown out of the outlet of the drum into a special collecting hopper, such as the drum screen disclosed in CN 202725606U.

In addition, the bag breaking knife is further installed on the circumference of the inner wall of the existing rolling screen, when household garbage is thrown and falls to the bottom of the rolling screen, the bag breaking knife is pricked into materials such as plastic bags and fabrics, and then the plastic bags and the clothes are scratched through the extrusion, tearing and other effects of other materials, so that the bag breaking and fabric breaking functions are achieved.

As shown in CN109290166A, in order to push the garbage forward better, the bag breaking knife of the rolling screen or the sharp knife for breaking the bag is arranged spirally inside the cylinder wall, so as to push the garbage to the direction of the large material outlet better.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a domestic waste roll screen with selection by winnowing function, the setting of broken bag sword is more reasonable, can be better break the bag, promote rubbish and go forward and can be better select separately domestic waste.

The content of the utility model is as follows:

a domestic garbage rolling sieve comprises a sieve barrel and a driving mechanism for driving the sieve barrel to rotate, wherein the sieve barrel is obliquely arranged, the front end of the sieve barrel is a feeding end, the rear end of the sieve barrel is a discharging end, sieve holes are formed in the barrel wall of a middle section, a screen underflow collecting hopper is arranged below the barrel wall of the middle section and used for collecting materials leaked from the sieve holes, air blowing equipment is further arranged at the feeding end of the sieve barrel and used for blowing light sheet materials in the sieve barrel out of the discharging end, a plurality of bag breaking cutter sets are further arranged on the inner wall of the sieve barrel and comprise at least two bag breaking cutters which are arranged in parallel, so that a bearing platform is formed at the cutter point of each bag breaking cutter set, and the materials are conveniently thrown forwards; the bag breaking knife group is obliquely arranged along the advancing direction of the materials so as to further push the materials forwards; the bearing platform is basically flush with the axis of the screen drum in the radial direction, so that materials on the bearing platform pass through the vicinity of the axis when falling off, and lighter sheet-shaped objects are easy to blow out.

As the optimization of the utility model, the bag breaking knife group consists of 4 bag breaking knives.

As the optimization of the utility model, the inclination angle of the bag breaking knife group is 10-30 degrees.

As the utility model discloses an prefer, the inclination of broken bag knife tackle is 20.

As the utility model discloses a preferred, broken bag knife tackle is the spiral setting on the inner wall of a sieve section of thick bamboo.

As the utility model discloses a preferred, a spiral week of sieve section of thick bamboo inner wall upwards equipartition has 8 broken bag knife tackle.

As the utility model discloses a preferred, the broken bag knife tackle of a sieve section of thick bamboo inner wall is provided with 6 spiral week along the axial.

As the utility model discloses a preferred, the discharge end of a sieve section of thick bamboo still is provided with the spiral stock guide.

Preferably, the screen cylinder is inclined by 5-10 degrees.

As a preferred aspect of the present invention, the screen cylinder is inclined by 8 °.

Compared with the prior art, the utility model discloses the beneficial effect of system lies in: the utility model arranges a plurality of bag breaking knife sets on the inner wall of the screen drum, and each bag breaking knife set comprises at least two bag breaking knives arranged in parallel, so as to form a bearing platform on the knife tip of the bag breaking knife set, thereby being convenient for throwing materials forwards; the bag breaking knife group is obliquely arranged along the advancing direction of the materials so as to further push the materials forwards; the bearing platform is basically flush with the axis of the screen drum in the radial direction, so that materials on the bearing platform pass through the vicinity of the axis when falling off, and lighter sheet-shaped objects are easy to blow out.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic diagram showing the distribution of bag-breaking knife groups on the same spiral circumference;

fig. 3 is a view rotated from a-a in fig. 2.

In the figure, the device comprises a screen drum 1, a screen underflow collecting hopper 2, a blowing device 3, a bag breaking cutter set 4, a spiral material guide plate 5.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1, the domestic garbage rolling sieve of the embodiment includes a sieve cylinder 1 and a driving mechanism for driving the sieve cylinder to rotate, the sieve cylinder is arranged obliquely, the front end of the sieve cylinder is a feeding end, the rear end of the sieve cylinder is a discharging end, a sieve pore is arranged on the cylinder wall of the middle section, a undersize collecting hopper 2 is arranged below the cylinder wall of the middle section and used for collecting materials leaked from the sieve pore, a blower 3 is further arranged at the feeding end of the sieve cylinder and used for blowing out light sheet-shaped materials in the sieve cylinder from the discharging end, a plurality of bag breaking knife sets 4 are further arranged on the inner wall of the sieve cylinder, each bag breaking knife set is composed of at least two bag breaking knives arranged in parallel so as to form a bearing platform at the knife tip of the bag breaking knife set and further facilitate forward scattering of the materials; the bag breaking knife group is obliquely arranged along the advancing direction of the materials so as to further push the materials forwards; the bearing platform is basically flush with the axis of the screen drum in the radial direction, so that materials on the bearing platform pass through the position near the axis when falling off, lighter sheet-shaped objects are blown out easily, the lighter sheet-shaped objects enter a special collecting device arranged outside the discharge end after being blown out, and the heaviest materials flow out through the spiral material guide plate 5 and are then conveyed away by the conveying device.

The sieve section of thick bamboo of this embodiment is the octagon, and the sieve section of thick bamboo of octagon is favorable to gathering the material in the position of angle for circular sieve section of thick bamboo to promote the material to certain height and shed.

In this embodiment, sieve section of thick bamboo slope sets up 8, and broken bag knife tackle comprises 4 broken bag swoves, and broken bag knife tackle's inclination is 20, and broken bag knife tackle is the spiral setting on the inner wall of sieve section of thick bamboo, and a spiral of sieve section of thick bamboo inner wall upwards equipartition has 8 broken bag knife tackle, totally 6 spiral week, and the concrete structure of this embodiment is the best implementation mode that obtains through many times of experiments, and the material is shed and is advanced more smoothly.

In this embodiment, the discharge end of the screen drum is further provided with a spiral material guiding plate 5, and the spiral material guiding plate is arranged at the discharge end to discharge materials.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. The utility model provides a domestic waste roll screen, includes a sieve section of thick bamboo and a drive sieve section of thick bamboo pivoted actuating mechanism, the slope of a sieve section of thick bamboo sets up, and the front end of a sieve section of thick bamboo is the discharge end for feed end, rear end, is provided with the sieve mesh on the section of thick bamboo wall of interlude, is provided with undersize thing corresponding to the below of interlude section of thick bamboo wall and collects the fill for collect the material that leaks down from the sieve mesh, the feed end of a sieve section of thick bamboo still is provided with air-blast equipment for blow off its characterized in that from the discharge end with the sheet thing that the quality is lighter in: the inner wall of the screen cylinder is also provided with a plurality of bag breaking cutter sets, and each bag breaking cutter set consists of at least two bag breaking cutters which are arranged in parallel so as to form a bearing platform on the cutter point of each bag breaking cutter set; the bag breaking knife group is obliquely arranged along the advancing direction of the materials; the bearing platform is basically flush with the axis of the screen drum in the radial direction.

2. The domestic waste rolling screen of claim 1, wherein: the bag breaking knife group consists of 4 bag breaking knives.

3. The domestic waste rolling screen of claim 1, wherein: the inclination angle of the bag breaking knife group is 10-30 degrees.

4. The domestic waste rolling screen of claim 3, wherein: the inclination angle of the bag breaking knife group is 20 degrees.

5. The domestic waste rolling screen of claim 1, wherein: the bag breaking knife group is spirally arranged on the inner wall of the screen cylinder.

6. The domestic waste rolling screen of claim 5, wherein: 8 bag breaking cutter sets are uniformly distributed on one spiral circumference of the inner wall of the screen drum.

7. The domestic waste rolling screen of claim 6, wherein: the bag breaking knife tackle of the inner wall of the screen drum is provided with 6 spiral circles along the axial direction.

8. The domestic waste rolling screen of claim 1, wherein: the discharge end of the screen drum is also provided with a spiral material guide plate.

9. The domestic waste rolling screen of claim 1, wherein: the screen drum is obliquely arranged at an angle of 5-10 degrees.

10. The domestic waste rolling screen of claim 1, wherein: the screen drum is obliquely arranged at 8 degrees.