A garbage disposal grinding hammer and garbage disposer

Abstract

The utility model provides a kind of garbage treatment grinding hammer and garbage disposer, belong to garbage treatment technical field. Including hammer body, hammer body includes working surface, and the partial area of working surface is provided with the concave avoidance cavity inwards, and avoidance cavity is used to form the first avoidance space between cutter head, and the material face of hammer body is provided with opening and first avoidance space intercommunication;The remaining area part of working surface constitutes the grinding surface for cooperating with cutter head and grinding treatment. Advantage is when small particle generates, they are no longer limited between narrow friction surface;But can slide into this hollowed-out area;Equipment operation, cutter head rotation drives fluid (water, air or other medium) flow;Or rely on centrifugal force effect, fine particle that has fallen into avoidance cavity will be gradually thrown out, enter subsequent discharge channel, finally discharge body, and material is not long-term accumulation;Only keep part of working surface as effective grinding surface, while guaranteeing enough grinding force, the friction area between hammer body and cutter head is greatly reduced.

Description

Technical Field

[0001] This utility model belongs to the field of waste treatment technology, and in particular relates to a waste treatment grinding hammer and a waste processor. Background Technology

[0002] With the acceleration of urbanization and the improvement of environmental awareness, the efficient treatment of organic waste such as kitchen waste is receiving increasing attention. Waste treatment equipment (such as household or commercial kitchen waste disposers) is widely used in kitchens, catering establishments, and small-scale sewage treatment systems. Its core function is to grind and crush organic waste such as food scraps, fruit peels, and vegetable leaves, and then discharge them into the sewer pipes with the water flow, thereby achieving source reduction and harmless treatment.

[0003] In existing technologies, such equipment typically employs a structure combining a rotating cutter head and a swinging grinding hammer for waste pulverization. The grinding hammer unfolds under centrifugal force, and its working surface creates a shearing and compressing effect with the cutter head surface, crushing the material. However, existing grinding hammers often have a single, flat working surface with a large contact area with the cutter head. This results in a large number of fine particles being easily compressed and trapped in the narrow gap between the bottom of the hammer and the cutter head during the grinding process. These debris are difficult to remove in time, and over time, they accumulate to form a dense layer, increasing frictional resistance and accelerating temperature rise. In severe cases, this can even cause equipment jamming or motor stalling, affecting operational reliability. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a grinding hammer that reduces the grinding area and avoids clogging.

[0005] The objective of this utility model can be achieved through the following technical solution: a waste treatment grinding hammer, comprising:

[0006] The hammer body includes a working surface, a portion of which is provided with an inwardly recessed clearance cavity, which is used to form a first clearance space with the cutter head. The facing surface of the hammer body is provided with an opening that communicates with the first clearance space. The remaining portion of the working surface constitutes a grinding surface for grinding with the cutter head.

[0007] In a waste treatment grinding hammer, the side of the opening opposite to the cutter head and the side of the first clearance space opposite to the cutter head are located in the same plane direction.

[0008] In a waste treatment grinding hammer, a grinding part is provided on the outer side of the hammer body. The outer side of the grinding part is used to cooperate with the grinding ring for grinding. The length of the outer side of the grinding part is less than the length of the outer side of the hammer body, thereby forming a second clearance space in the non-grinding area.

[0009] In a waste treatment grinding hammer, the grinding part is integrally formed with the hammer body, and the grinding part is located in the length extension direction of the grinding surface.

[0010] In a waste treatment grinding hammer, along the rotation trajectory of the hammer body, the side of the first clearance space closest to the grinding surface exhibits a gradual change in inclination towards the first clearance space as the straight-line distance from the cutter head increases.

[0011] In a waste treatment grinding hammer, along the rotation trajectory of the hammer body, the side of the second clearance space closest to the grinding part shows a gradual change in inclination towards the second clearance space as the straight-line distance from the grinding ring increases.

[0012] In a waste treatment grinding hammer, the thickness of the grinding surface is equal to the thickness of the outer end face of the grinding part along the length extension direction of the hammer body.

[0013] A garbage disposal unit includes the aforementioned garbage disposal grinding hammer.

[0014] In the aforementioned garbage disposal unit, a blade disc is also included, on which at least one set of blocking parts are provided. The number and position of the blocking parts correspond one-to-one with the number and position of the hammers, and each set of blocking parts includes two blocking blocks disposed on both sides of the hammers.

[0015] In the aforementioned waste disposal unit, the blade disc is provided with a plurality of cutting blades, wherein at least one of the cutting blades and the remaining cutting blades are bent toward the two sides of the blade disc respectively.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] (1) By creating an inwardly recessed clearance cavity on the working surface of the hammer body, which together with the cutter head forms a first clearance space (i.e., the bottom hollowing area), when fine particles are generated, they are no longer confined between narrow friction surfaces; instead, they can slide into this hollowing area, which is equivalent to providing a temporary storage or buffer zone for the debris. Moreover, when the equipment is running, the rotation of the cutter head drives the flow of fluid (water, air, or other media); or by relying on centrifugal force, the fine particles that have fallen into the clearance cavity will be gradually thrown out; entering the subsequent discharge channel, and finally discharged from the machine body, without accumulating materials for a long time;

[0018] (2) By retaining only a portion of the working surface as the effective grinding surface, the friction area between the hammer and the cutter head is significantly reduced while ensuring sufficient grinding force, thus reducing ineffective energy consumption and improving energy utilization efficiency. At the same time, this design facilitates the concentration of force, enhancing the shearing and crushing effect on waste materials and improving overall crushing efficiency. Attached Figure Description

[0019] Figure 1 This is one of the three-dimensional structural diagrams of a waste treatment grinding hammer;

[0020] Figure 2 yes Figure 1 One of the schematic diagrams of the planar structure;

[0021] Figure 3 yes Figure 2 The second schematic diagram of the planar structure;

[0022] Figure 4 This is the second schematic diagram of the three-dimensional structure of a waste treatment grinding hammer;

[0023] Figure 5 This is a schematic diagram of the three-dimensional structure of the cutter head.

[0024] In the diagram, 100 is the hammer body; 101 is the clearance cavity; 102 is the opening; 103 is the gradient slope; 104 is the inclined surface; 200 is the grinding part; 300 is the cutter head; 301 is the blocking block; and 302 is the cutting edge. Detailed Implementation

[0025] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0026] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0027] like Figures 1-4 As shown, a waste treatment grinding hammer includes:

[0028] The hammer body 100 includes a working surface. A portion of the working surface is provided with an inwardly recessed clearance cavity 101, which is used to form a first clearance space with the cutter head 300. The facing surface of the hammer body 100 is provided with an opening 102 that communicates with the first clearance space. The remaining portion of the working surface forms a grinding surface 105 for grinding with the cutter head 300.

[0029] This application creates an inwardly recessed clearance cavity 101 on the working surface of the hammer 100, which, together with the cutter head 300, forms a first clearance space (i.e., a bottom hollowing-out area). When fine particles are generated, they are no longer confined between narrow friction surfaces; instead, they can slide into this hollowing-out area, effectively providing a temporary storage or buffer zone for debris. Moreover, during equipment operation, the rotation of the cutter head 300 drives the flow of fluid (water, air, or other media); or, relying on centrifugal force, the fine particles that have fallen into the clearance cavity 101 will be gradually thrown out, entering the subsequent discharge channel and finally being discharged from the machine body, preventing long-term material accumulation.

[0030] By retaining only a portion of the working surface as the effective grinding surface 105, sufficient grinding force is ensured while significantly reducing the friction area between the hammer 100 and the cutter head 300, thereby reducing ineffective energy consumption and improving energy utilization efficiency. Simultaneously, this design facilitates concentrated force, enhancing the shearing and crushing effect on waste materials and improving overall crushing efficiency.

[0031] Furthermore, the side of the opening 102 facing away from the cutter head 300 and the side of the first clearance space facing away from the cutter head 300 are located in the same plane. When debris enters the clearance cavity 101 from the facing surface through the opening 102, if there are steps, narrowings, or corners, it is easy to cause local accumulation or eddies. The coplanar design achieves unobstructed flow guidance and improves self-cleaning ability. Smooth connection ensures that debris can fully enter and be distributed throughout the clearance cavity 101, avoiding accumulation only near the inlet and maximizing the use of internal volume.

[0032] Preferably, a grinding part 200 is provided on the outer side of the hammer body 100 (the side facing the grinding ring during operation). The outer side of the grinding part 200 is used to cooperate with the grinding ring for grinding and undertakes the main crushing and grinding functions. The length of the outer side of the grinding part 200 is less than the length of the outer side of the hammer body 100, and it only occupies a local area of ​​the outer side. Thus, in the area outside the grinding part 200, a gap area that does not participate in direct grinding - the second clearance space - is formed between the outer side of the hammer body 100 and the grinding ring.

[0033] If the grinding section 200 is arranged along its entire length, the entire side will operate in close proximity to the grinding ring, easily forming a "ring-shaped friction zone," leading to localized temperature rise. This causes wet or sticky materials to adhere to the surface after being heated, resulting in accumulation. In this application, only the necessary length of the grinding section 200 is retained, reducing the heating area and suppressing adhesion. The second clearance space is essentially a non-closed area between the hammer 100 and the grinding ring. After the material is crushed in the grinding zone, some fine particles will move radially or axially. At this time, the clearance space can act as a lateral flow channel, allowing debris to slide out or be carried away by airflow / liquid flow, rather than being continuously trapped in the grinding zone.

[0034] Furthermore, the grinding section 200 is integrally formed with the hammer body 100, and the grinding section 200 is located along the length extension direction of the grinding surface 105. By designing the grinding section 200 and the hammer body 100 as an integrally formed structure, not only is the overall structural strength and dynamic balance performance improved, but the risk of failure caused by wear or loosening of connecting parts is also avoided. At the same time, the grinding section 200 extends along the length direction of the grinding surface 105, increasing the effective contact area of ​​the grinding surface 105 and significantly improving the shearing efficiency and crushing uniformity of the material.

[0035] Specifically, along the rotation trajectory of the hammer body 100, the side of the first clearance space closest to the grinding surface 105 shows a gradual change in inclination towards the first clearance space as the straight-line distance from the cutter head 300 increases.

[0036] This application cleverly alters the material flow path inside the clearance cavity 101 by providing an inwardly inclined, gradually tapering surface 103 on the inner wall of the side of the first clearance space away from the opening 102. This inclined surface 104 acts as a guide during the high-speed rotation of the hammer 100, causing larger particles or incompletely crushed materials entering the clearance space to be guided into the effective grinding gap between the grinding surface 105 and the cutter head 300 under the combined action of centrifugal force and collision with the cavity wall, thus re-engaging in the shearing and crushing process.

[0037] Furthermore, along the rotation trajectory of the hammer body 100, the side of the second clearance space closest to the grinding part 200 exhibits a gradual change in inclination towards the second clearance space as the straight-line distance from the grinding ring increases.

[0038] This application provides a gradually inclined surface 104 on the side of the second clearance space near the grinding section 200. This inclined surface 104 gradually slopes inwards towards the interior of the second clearance space as the distance from the grinding ring increases, forming a dynamic flow channel with a guiding function. Specifically, during equipment operation, some materials with high toughness or large particle size may temporarily detach from the grinding contact area and enter the second clearance space. At this time, the gradually inclined surface 104 acts as a converging guide, adjusting its movement trajectory to point towards the grinding gap, causing the material to re-enter the shearing zone and participate in the next round of impact, compression, and friction crushing.

[0039] Furthermore, along the length extension direction of the hammer body 100, the thickness of the grinding surface 105 is equal to the thickness of the outer end face of the grinding section 200. By designing the radial thickness of the area where the grinding surface 105 is located to be consistent with that of the area of ​​the outer end face of the grinding section 200, the hammer body 100 forms a uniform and continuous structural cross-section in the critical working area. This design effectively avoids stress concentration caused by abrupt changes in local thickness, significantly improving the structural strength and fatigue durability of the hammer body 100 under high-speed rotation and frequent impact conditions.

[0040] Furthermore, the uniformity of thickness ensures the symmetry of the mass distribution and the stability of the center of gravity of the hammer body 100, reducing vibration and dynamic imbalance caused by mass eccentricity, thereby reducing noise and bearing wear during equipment operation and improving the overall stability and service life of the machine.

[0041] like Figures 1-5 As shown, a garbage disposal unit includes a garbage disposal grinding hammer and a blade disc 300. The blade disc 300 is provided with at least one set of blocking parts. The number and position of the blocking parts correspond one-to-one with the number and position of the hammer body 100. Each set of blocking parts includes two blocking blocks 301 provided on both sides of the hammer body 100.

[0042] Specifically, one of the blocking blocks 301 is located at the working limit position of the hammer 100 after it expands under the action of centrifugal force when rotating at high speed. It is used to provide support and limit when the hammer 100 reaches the optimal grinding angle, ensuring that it remains stably within the effective grinding area, making full use of the outward rigidity brought by centrifugal force, and avoiding swaying deviation caused by vibration or impact. This ensures that the grinding surface 105 and the cutter head 300 and grinding ring always maintain the optimal fit clearance, improving crushing efficiency and uniformity. The other blocking block 301 is set at the lowest limit position of the hammer 100 due to inertial sway after the motor slows down or stops. It is used to limit the excessive swaying of the hammer 100 under inertia and prevent it from swaying to other structural areas on the cutter head 300 (such as blades, discharge port or other fixed parts).

[0043] This application provides multiple cutting blades 302 on the blade disc 300, with at least one of the cutting blades 302 bending towards both sides of the blade disc 300, forming a bidirectional, staggered, three-dimensional blade layout. This not only enhances the multi-dimensional shearing and tearing ability of food waste, but more importantly, the downward-bending cutting blades 302 can function as "centrifugal pump blades" during rotation, effectively utilizing the water generated during food waste treatment to achieve the dual effects of active drainage and auxiliary slag removal.

[0044] During the food waste grinding process, a large amount of water and fine particles mix and enter the discharge chamber. In traditional structures, the water flow often stagnates at the bottom of the chamber, easily causing wet material to accumulate, stick to the walls and clump, and even block the discharge outlet. In this invention, when the downward-bent cutting blade 302 rotates at high speed with the cutter disc 300, its inclined surface 104 contacts the water flow and applies tangential force. Under the action of centrifugal force, the water accumulated in the discharge chamber is accelerated and thrown out, forming a high-speed jet.

[0045] It should be noted that in this utility model, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly defined. The terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two elements or the interaction between two elements, unless otherwise explicitly defined. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0046] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the protection scope claimed by this utility model.

[0047] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A waste treatment grinding hammer, characterized in that, include: The hammer body includes a working surface, a portion of which is provided with an inwardly recessed clearance cavity, which is used to form a first clearance space with the cutter head. The facing surface of the hammer body is provided with an opening that communicates with the first clearance space. The remaining portion of the working surface constitutes a grinding surface for grinding with the cutter head.

2. The waste treatment grinding hammer according to claim 1, characterized in that, The side of the opening facing away from the cutter head and the side of the first clearance space facing away from the cutter head are located in the same plane direction.

3. The waste treatment grinding hammer according to claim 1, characterized in that, The outer side of the hammer body is provided with a grinding part, which is used to cooperate with the grinding ring for grinding. The length of the outer side of the grinding part is less than the length of the outer side of the hammer body, thereby forming a second clearance space in the non-grinding area.

4. A waste treatment grinding hammer according to claim 3, characterized in that, The grinding part is integrally formed with the hammer body, and the grinding part is located in the length extension direction of the grinding surface.

5. A waste treatment grinding hammer according to claim 1, characterized in that, Along the rotation trajectory of the hammer, the side of the first clearance space closest to the grinding surface shows a gradual change in inclination towards the first clearance space as the straight-line distance from the cutter head increases.

6. A waste treatment grinding hammer according to claim 3, characterized in that, Along the rotation trajectory of the hammer, the side of the second clearance space closest to the grinding part shows a gradual change in inclination towards the second clearance space as the straight-line distance from the grinding ring increases.

7. A waste treatment grinding hammer according to claim 3, characterized in that, Along the length extension direction of the hammer body, the thickness of the grinding surface is equal to the thickness of the outer end face of the grinding part.

8. A garbage disposal unit, characterized in that, Including a waste treatment grinding hammer as described in any one of claims 1-7.

9. A garbage disposal unit according to claim 8, characterized in that, It also includes a cutter head, on which at least one set of blocking parts are provided. The number and position of the blocking parts correspond one-to-one with the number and position of the hammer body, and each set of the blocking parts includes two blocking blocks disposed on both sides of the hammer body.

10. A garbage disposal unit according to claim 9, characterized in that, The cutter head is provided with multiple cutting blades, wherein at least one of the cutting blades and the other cutting blades are bent toward the two sides of the cutter head respectively.

Images