Stirring knife of kitchen garbage recycling and crushing device

Abstract

The utility model discloses a stirring knife of a kitchen garbage recycling and crushing device, which belongs to the technical field of kitchen garbage treatment and comprises a knife shaft, a plurality of cutting parts are arranged on the knife shaft in a staggered manner, the cross section of each cutting part is of a hollow prismatic structure, and the directions of two large-angle ends of the prismatic structures of the cutting parts are parallel to the axis of the knife shaft. The stirring cutter comprises a cutter shaft and a cutting part, the cutter shaft is of a hollow prismatic structure, the cutting part is composed of two pieces of angle steel with the included angle of 130 degrees, one end, connected with the cutter shaft, of the cutting part is a connecting end, the other end of the cutting part is a tail end, and the size of the connecting end of the cutting part is larger than that of the tail end. The prismatic structure increases the sectional area of the cutting part and reduces stress borne by the cutting part in the cutting process, the hollow design enables the cutting part to collapse inwards when bearing large stress, the fracture risk of the cutting part is reduced, and therefore the strength and durability of the stirring knife are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model discloses a kind of stirring knives of kitchen garbage recycling and crushing device, belong to kitchen garbage processing technical field. BACKGROUND

[0002] Kitchen garbage needs to be digested, to form biological fertilizer, its digestion can be concentrated digestion, and concentrated digestion needs to collect and transport the kitchen garbage of each household, in the process of collection and transportation, there is easy to exist drip, produce secondary pollution;In order to reduce this pollution, small difference and garbage disposal machine can be unit with family, kitchen garbage is realized kitchen decomposition at home, and also can obtain a certain amount of biological fertilizer, can be used for the planting of family green plants.

[0003] At present, the main role of commonly used kitchen garbage recycling and crushing device is to stir and break different forms of garbage, and then mix with special bacteria until decomposition is completed, and the stirring knife in the traditional kitchen garbage recycling and crushing device is easy to be broken in the stirring process due to the large cutting stress on the blade, which increases the processing cost, and the broken blade is easy to damage the internal components of the equipment during equipment operation if not taken out in time.

[0004] Therefore, a new scheme needs to be proposed to solve this problem. CONTENT OF UTILITY MODEL

[0005] The utility model aims at solving the above-mentioned problems and provides a stirring knife of kitchen garbage recycling and crushing device, which has the effect of reducing the stress on the stirring knife during stirring.

[0006] The utility model achieves the above-mentioned purposes through the following technical scheme, including blade shaft, the blade shaft is staggered and provided with a plurality of cutting parts, the cross section of the cutting part is a hollow prismatic structure, the two ends of the cutting part prismatic structure with larger angle are parallel to the axis of the blade shaft, the cutting part is composed of two angle steels with an included angle of 130°, one end of the cutting part connected with the blade shaft is a connecting end, and the other end is a terminal end, the size of the connecting end of the cutting part is larger than that of the terminal end.

[0007] By adopting the technical scheme, the cutting part adopts a hollow prismatic structure, which can improve the cutting efficiency of the cutting part. Meanwhile, the cutting part is composed of two angle steels with an included angle of 130° to form a prismatic structure, which increases the cross-sectional area of the cutting part and the size of the rake angle and the clearance angle, effectively reduces the stress of the cutting part during cutting, and further prevents the cutting part from breaking during work. The hollow design allows the cutting part to collapse inward when subjected to a larger stress, avoiding the cutting part from breaking and damaging the waste recycling and crushing device. Furthermore, the design that the size of the connecting end of the cutting part is larger than the size of the terminal end can enhance the connection stability between the cutting part and the cutter shaft, and make it easier for waste to be introduced into the cutting area of the cutting part during cutting, thereby improving the cutting efficiency.

[0008] Preferably, the terminal end of each of the cutting parts is provided with a stirring blade, and the plane where the stirring blades are located is parallel to the axis of the cutter shaft.

[0009] By adopting the technical scheme, the stirring blade is provided, so that the stirring cutter can effectively stir while crushing the kitchen waste, thereby improving the working efficiency of the crushing device.

[0010] Preferably, a groove is horizontally formed in the terminal end of the cutting part, the stirring blade is arranged in the groove, and two triangular cover plates are arranged on the front and rear sides of the stirring blade.

[0011] By adopting the technical scheme, the stability of the connection between the stirring blade and the cutting part can be improved by the groove, and the two triangular cover plates can prevent waste from penetrating into the cutting part and corroding the cutting part, thereby improving the durability of the cutting part.

[0012] Preferably, the number of the cutting parts is four, the four cutting parts are distributed at an angle of 90° with respect to the cutter shaft, the projections of the four cutting parts do not coincide in the top view, and the spacing between the four cutting parts at different axial positions on the cutter shaft is the same.

[0013] By adopting the technical scheme, the stress on the cutter shaft is uniform during rotation, vibration is reduced, the stable operation of the stirring cutter is ensured, the service life of the device is prolonged, the cutting parts are arranged at equal intervals and staggered, which can ensure the uniformity of the crushing effect and improve the crushing efficiency.

[0014] Preferably, the two angle steels of the cutting part are connected by welding.

[0015] By adopting the technical scheme, this connection mode can ensure the firmness of the connection and prolong the service life of the stirring cutter.

[0016] Preferably, the cutting part, the stirring blade, the cover plate and the outer side of the cutter shaft are all covered with an anti-rust coating.

[0017] By adopting the above technical scheme, the covering of the anti-rust coating can improve the corrosion resistance of the stirring cutter, reduce the maintenance cost and prolong the service life.

[0018] Compared with the prior art, the utility model has the advantages of:

[0019] Firstly, the cutting part of the stirring cutter adopts a hollow prismatic structure composed of two angle steels with an included angle of 130°, the prismatic structure increases the cross-sectional area of the cutting part and reduces the stress suffered by the cutting part during cutting, and the hollow design enables the cutting part to collapse inward when a larger stress is applied, thereby reducing the risk of fracture of the cutting part and effectively improving the strength and durability of the stirring cutter.

[0020] Secondly, the end of the cutting part is provided with a stirring blade, and the plane on which the stirring blade is located is parallel to the axis of the cutter shaft, so that the stirring cutter can effectively stir while crushing the kitchen waste, thereby improving the working efficiency of the crushing device.

[0021] Thirdly, the cutting part is provided with a groove at the end thereof for arranging the stirring blade, and two triangular cover plates are arranged on the front and rear sides of the stirring blade to close the gap at the end of the cutting part, which can stably install the stirring blade and prevent the kitchen waste from entering the interior of the cutting part to cause corrosion, and also protects the stirring blade.

[0022] Fourthly, the number of cutting parts is four, and the spacing between different axial positions of the cutter shaft is the same, and such equal-interval distribution can ensure the uniformity of the crushing effect and improve the crushing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 FIG. 1 is a structural schematic view of a stirring cutter of a kitchen waste recycling and crushing device;

[0024] Fig. 2 FIG. 2 is a left view of the stirring cutter of the kitchen waste recycling and crushing device;

[0025] Fig. 3 FIG. 3 is a structural schematic view of a cutting part of the stirring cutter of the kitchen waste recycling and crushing device.

[0026] FIG. 1 is a structural schematic view of a stirring cutter of a kitchen waste recycling and crushing device; DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described in the description of the utility model, and it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely intended to facilitate the description of the utility model and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. Obviously, the described embodiments are only some of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] A stirring knife of a kitchen waste recycling and crushing device, as shown in Figs. 1-3 The stirring knife comprises a knife shaft 1, a plurality of cutting portions 2 are arranged on the knife shaft 1 in a staggered manner, the cutting portion 2 is in a hollow prismatic structure in cross section, the two ends of the cutting portion 2 with a larger prismatic structure angle are parallel to the axis of the knife shaft 1, the cutting portion 2 is composed of two angle steels with an included angle of 130 DEG, one end of the cutting portion 2 connected with the knife shaft 1 is a connecting end and the other end is a terminal end, the size of the connecting end of the cutting portion 2 is larger than that of the terminal end, the cutting portion 2 adopts the hollow prismatic structure, the cutting efficiency of the cutting portion 2 can be improved, meanwhile, the cutting portion 2 is composed of two angle steels with an included angle of 130 DEG to form the prismatic structure, the sectional area of the cutting portion 2 and the size of the rake angle and the relief angle are increased, the stress of the cutting portion 2 in the cutting process is effectively reduced, the cutting portion 2 is further prevented from being broken in the working process, the hollow design makes the cutting portion 2 collapse inwardly after being subjected to a larger stress, the cutting portion 2 is prevented from being broken and damaged to the kitchen waste recycling and crushing device, and then the size of the connecting end of the cutting portion 2 is larger than that of the terminal end, the connection stability between the cutting portion 2 and the knife shaft 1 can be enhanced, and meanwhile, in the cutting process, the garbage is more easily introduced into the cutting area of the cutting portion 2, and the cutting efficiency is improved.

[0029] The ends of the cutting parts 2 are provided with stirring blades 3, the planes where the stirring blades 3 are located are parallel to the axis of the cutter shaft 1, through the arrangement of the stirring blades 3, the stirring cutter can effectively stir while crushing the kitchen waste, improving the working efficiency of the crushing device, the ends of the cutting parts 2 are transversely provided with grooves, the stirring blades 3 are arranged in the grooves, the cutting parts 2 are provided with two triangular cover plates 4 on the front and back sides of the stirring blades 3, the two cover plates 4 can close the gap at the ends of the cutting parts 2, through the arrangement of the grooves, the stability of the connection between the stirring blades 3 and the cutting parts 2 can be improved, and through the arrangement of the two triangular cover plates 4, the garbage can be prevented from penetrating into the cutting parts 2 to corrode the cutting parts 2, improving the durability of the cutting parts 2.

[0030] The number of the cutting parts 2 is four, the four cutting parts 2 are distributed at equal intervals of 90° around the cutter shaft 1, and the projections of the four cutting parts 2 do not coincide in the top view, the spacing between the different axial positions of the four cutting parts 2 on the cutter shaft 1 is the same, through such design, the stress of the cutter shaft 1 is uniform during rotation, reducing vibration, ensuring stable operation of the stirring cutter, which is beneficial to prolong the service life of the device, and the equal interval and staggered arrangement of the cutting parts 2 can ensure the uniformity of the crushing effect and improve the crushing efficiency, the two angle steels of the cutting parts 2 are connected by welding, which can ensure the firmness of the connection and prolong the service life of the stirring cutter, the cutting parts 2, the stirring blades 3, the cover plates 4 and the outer side of the cutter shaft 1 are covered with a rust-proof coating, which can improve the corrosion resistance of the stirring cutter, reduce maintenance cost and prolong the service life.

[0031] During the garbage recycling and crushing process, the treatment device drives the cutter shaft 1 to rotate, driving the cutting parts 2 arranged at equal intervals on the cutter shaft 1 to rotate, the acute surface formed by the two ends of the cutting parts 2 with smaller angles can crush the garbage during rotation, and the stirring blades 3 arranged at the ends of the cutting parts 2 can stir the garbage during rotation of the cutting parts 2, thereby improving the crushing efficiency and quality, and through the hollow prismatic structure of the cutting parts 2, the stress on the cutting parts 2 during cutting is reduced, and when the cutting parts 2 are subjected to critical stress, they can collapse towards the central hollow part, effectively preventing the cutting parts 2 from breaking and damaging the internal parts of the treatment device during processing.

[0032] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0033] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment according to the present specification needs to exhibit each and every characteristic specified in the present specification. The specification can also be described in terms of a single independent technical solution, but this does not mean that each embodiment only contains one independent technical solution. The specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A stirring blade of a kitchen waste recycling and crushing device, comprising a blade shaft (1), characterized in that: The cutter shaft (1) is staggered with several cutting parts (2), the cross section of the cutting part (2) is a hollow prismatic structure, the two ends of the cutting part (2) with larger prismatic structure angle are parallel to the axis of the cutter shaft (1), the cutting part (2) is composed of two angle steels with an included angle of 130°, one end of the cutting part (2) connected with the cutter shaft (1) is a connecting end and the other end is a terminal end, the size of the connecting end of the cutting part (2) is larger than that of the terminal end.

2. The stirring blade of the kitchen waste recycling and crushing device according to claim 1, characterized in that: The terminal end of the cutting part (2) is provided with a stirring blade (3), and the plane where the stirring blade (3) is located is parallel to the axis of the cutter shaft (1).

3. The stirring blade of the kitchen waste recycling and crushing device according to claim 2, characterized in that: The terminal end of the cutting part (2) is provided with a groove, the stirring blade (3) is arranged in the groove, and the cutting part (2) is provided with two triangular cover plates (4) on the front and rear sides of the stirring blade (3), and the two cover plates (4) can close the gap of the terminal end of the cutting part (2).

4. The stirring blade of the kitchen waste recycling and crushing device according to claim 1, characterized in that: The number of the cutting parts (2) is four, the four cutting parts (2) are distributed at an angle of 90° around the cutter shaft (1), and the projections of the four cutting parts (2) do not coincide in the top view, and the spacing between the four cutting parts (2) at different axial positions of the cutter shaft (1) is the same.

5. The stirring blade of the kitchen waste recycling and crushing device according to claim 1, characterized in that: The two angle steels of the cutting part (2) are connected by welding.

6. The stirring blade of the kitchen garbage recycling and crushing device according to claim 1, characterized in that: The cutting part (2), the stirring blade (3), the cover plate (4) and the outer side of the cutter shaft (1) are covered with a rust-proof coating.

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