CN114468804A

CN114468804A - Grinding assembly

Info

Publication number: CN114468804A
Application number: CN202011169554.6A
Authority: CN
Inventors: 文志华; 王仕棋; 郑防震
Original assignee: Midea Group Co Ltd; Guangdong Midea Consumer Electric Manufacturing Co Ltd; Guangdong Midea White Goods Technology Innovation Center Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Consumer Electric Manufacturing Co Ltd; Guangdong Midea White Goods Technology Innovation Center Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2022-05-13
Anticipated expiration: 2040-10-28
Also published as: CN114468804B

Abstract

The invention discloses a grinding assembly for a food processor, and relates to the technical field of domestic electric appliances, wherein the grinding assembly comprises a chassis, an upper knife and a grinding piece, wherein the upper knife is rotatably connected to the chassis through a driving shaft; the grinding piece is located between the upper cutter and the base plate, is sleeved on the driving shaft in a sliding mode and can rotate around the driving shaft, a first grinding portion is arranged on one side, facing the base plate, of the grinding piece, and a plurality of flow guide ribs are arranged on one side, facing the upper cutter, of the grinding piece to drive the grinding piece to rotate through water flow. Through the rotation of the upper knife, a rotating water flow can be generated; the grinding piece is sleeved on the driving shaft in a sliding mode and can rotate around the driving shaft, the grinding piece is provided with a plurality of flow guide ribs, and under the action of water flow, the grinding piece can rotate so as to grind food between the grinding piece and the base plate; the direction of rotation of grinding piece is the same with the direction of rotation of rivers, has reduced the rotational speed of rivers from this for the contact chance increase of upper slitter and aquatic food, improved grinding efficiency, reduced noise at work moreover, promoted user experience.

Description

Grinding assembly

Technical Field

The invention relates to the technical field of household appliances, in particular to a grinding assembly for a food processor.

Background

At present, the mainstream food processer (such as a wall breaking machine) in the market adopts a blade grinding mode, and the better grinding performance can be achieved only under the requirement of high rotating speed. When the grinder runs, due to the fact that the blades rotate at a high speed, beating noise caused by cavitation, beating, vortex systems and the like is generated, generally more than 75dB, great influence is generated on living comfort and health of people, and the problem of low processing efficiency exists in the market of the grinder which adopts other grinding modes to reduce noise.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a grinding assembly which can achieve better grinding performance at a lower rotating speed and reduce noise.

The grinding assembly provided by the embodiment of the invention is used for a food processor and comprises a chassis, an upper knife and a grinding piece, wherein the upper knife is rotatably connected to the chassis through a driving shaft; the grinding piece is located between the upper cutter and the base plate, is sleeved on the driving shaft in a sliding mode and can rotate around the driving shaft, a first grinding portion is arranged on one side, facing the base plate, of the grinding piece, and a plurality of flow guide ribs are arranged on one side, facing the upper cutter, of the grinding piece, so that the grinding piece is driven to rotate through water flow.

The grinding assembly according to the embodiment of the invention has at least the following advantages: by the rotation of the upper knife, the food processor can generate rotating water flow while cutting large food; the grinding piece is sleeved on the driving shaft in a sliding mode and can rotate around the driving shaft, the grinding piece is provided with a plurality of flow guide ribs, and under the action of water flow, the grinding piece can rotate so as to grind food between the grinding piece and the base plate; the direction of rotation of grinding piece is the same with the direction of rotation of rivers, has reduced the rotational speed of rivers from this for the contact chance increase of upper slitter and aquatic food, improved grinding efficiency, reduced noise at work moreover, promoted user experience.

According to some embodiments of the invention, the grinding member has a through hole, and a bushing is fixedly connected in the through hole, and the grinding member is sleeved on the driving shaft through the bushing.

According to some embodiments of the invention, the sleeve has a flange at one end and a gasket detachably connected to the other end, and the sleeve and the gasket form an annular mounting groove.

According to some embodiments of the invention, the diversion rib is arranged in a bending way towards one side along the direction far away from the center of the grinding piece, and the bending direction of the diversion rib faces the incoming direction of the water flow; or along the direction far away from the center of the grinding piece, the flow guide ribs are distributed in a radioactive mode, the cross section of each flow guide rib is provided with a notch, and the opening direction of each notch faces the incoming direction of the water flow; or the diversion ribs are obliquely arranged on the grinding piece, and the oblique direction of the diversion ribs faces the incoming direction of the water flow.

According to some embodiments of the invention, the abrasive article comprises: a connecting portion for connecting with the drive shaft; the grinding disc is arranged around the circumferential direction of the connecting part, and the first grinding part is arranged on the grinding disc; the two ends of the spoke are respectively connected with the connecting part and the grinding disc; wherein, the water conservancy diversion muscle includes that one end is connected to connecting portion, the other end process the spoke extends to the first water conservancy diversion muscle of abrasive disc.

According to some embodiments of the invention, the flow guiding ribs further comprise second flow guiding ribs arranged on the grinding disc, and the first flow guiding ribs and the second flow guiding ribs are arranged at intervals.

According to some embodiments of the invention, the spokes are provided with the flow guiding ribs at both side edges in the width direction to form a vortex flow passage.

According to some embodiments of the invention, the base plate is provided with a second abrasive portion cooperating with the first abrasive portion to form an abrasive channel between the first abrasive portion and the second abrasive portion.

According to some embodiments of the invention, the upper blade comprises two first blades and two second blades, the first blades and the second blades are arranged oppositely, the first blades comprise main blade parts and blade ends connected to the main blade parts, the main blade parts are arranged horizontally, and the blade ends and the second blades are arranged in an upward tilting mode.

According to some embodiments of the invention, the angle from the first blade to the adjacent second blade in the direction of rotation of the upper blade is α, wherein 30 ° ≦ α ≦ 90 °.

According to some embodiments of the invention, the first blade and the second blade are provided with cutting teeth on one side along the rotation direction of the upper knife, the distance between the cutting teeth is L, wherein L is more than or equal to 1mm and less than or equal to 6 mm.

According to some embodiments of the invention, the leaf end portion is upwardly tilted at an angle β, wherein β is 90 ° or more and 150 ° or less; the tilting height is m, wherein m is more than or equal to 5mm and less than or equal to 20 mm; the tilting angle of the first blade is gamma, wherein gamma is more than or equal to 5 degrees and less than or equal to 45 degrees.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic perspective view of an exemplary embodiment of an abrasive assembly according to the present disclosure;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view of section A-A of FIG. 2;

FIG. 4 is an exploded view of FIG. 1;

FIG. 5 is an enlarged view of the structure at B in FIG. 3;

FIG. 6 is a schematic view of a polishing assembly chassis according to one embodiment of the present invention;

FIG. 7 is a schematic view of the structure at C in FIG. 6;

FIG. 8 is a schematic view of an angle of an abrasive element of an abrasive assembly according to one embodiment of the present invention;

FIG. 9 is a schematic view of another angle configuration of the abrasive article of FIG. 8;

FIG. 10 is an enlarged view of the structure at C in FIG. 9;

FIG. 11 is a schematic top view of the polishing element of FIG. 8;

FIG. 12 is a side view of the polishing element of FIG. 8;

FIG. 13 is a schematic view of an angle of another abrasive article of an abrasive assembly in accordance with one embodiment of the present invention;

FIG. 14 is a schematic view of another angle of the abrasive article of FIG. 13;

FIG. 15 is an angled configuration of another polishing element of an polishing assembly according to one embodiment of the present invention;

FIG. 16 is a schematic view of another angle configuration of the abrasive article of FIG. 15;

FIG. 17 is a schematic view of an angle of the upper blade of the grinding assembly in accordance with one embodiment of the present invention;

FIG. 18 is a side view schematic illustration of an angle of the upper blade of FIG. 17;

FIG. 19 is a schematic top view of the upper knife of FIG. 17;

fig. 20 is a side view of the upper blade of fig. 17 at another angle.

Reference numerals:

a grinding assembly 100; an upper knife 110; the abrasive member 120; a chassis 130; a flow guide rib 121; a vortex flow passage 122; a top blade 140;

a second polishing section 301; a first polishing section 302; end screws 303; a stop collar 304; an inlet 305; an outlet 306; a drive shaft 310; a bearing 320; an oil seal 330;

a shaft sleeve 401; a spacer 402; a through hole 403;

a second lobe 501; first lobe 502;

a second flow passage 701; a second circulation channel 702;

a connecting portion 801; spokes 802; an abrasive disk 803;

a first flow channel 1001; a first circulation passage 1002;

a grinding assembly 1301;

a first blade 1710; main leaf 1711; a leaf end 1712; a second blade 1720; the blade teeth 1701.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to, for example, the upper, lower, etc., is indicated based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, a plurality is two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 3, the grinding assembly 100 according to some embodiments of the present invention is applied to a food processing apparatus such as a wall breaking machine, and cuts, crushes or grinds food by the grinding member 120, so as to break cell walls of cells in the food, and release vitamins, minerals, phytochemicals, amino acids, fats, proteins, moisture, and the like in the cells sufficiently, so as to obtain food with a small particle size, thereby processing the food. The grinding assembly 100 according to an embodiment of the present invention includes a grinding member 120, and the center of the grinding member 120 is connected to a driving motor (not shown) through a driving shaft 310.

Referring to fig. 1, 2, 3 and 4, the grinding assembly 100 according to an embodiment of the present invention further includes a base plate 130, the base plate 130 is generally fixedly connected to a stirring cup (not shown) of the food processor, the upper knife 110 is relatively rotatably connected to the upper side of the base plate 130 through a driving shaft 310, and when the upper knife 110 is driven to rotate, the water flow in the stirring cup is driven to rotate; referring to fig. 3 and 4, a grinding member 120 is further disposed between the bottom plate 130 and the upper knife 110, a first grinding portion 302 is disposed on a side of the grinding member 120 facing the bottom plate 130, the grinding member 120 is slidably sleeved on the driving shaft 310 and can rotate around the driving shaft 310, and a plurality of flow guiding ribs 121 are further disposed on a side of the grinding member 120 facing the upper knife 110, so that the grinding member 120 is driven to rotate by the rotating water flow. When the driving motor drives the upper knife 110 and the chassis 130 to rotate relatively, the water flow in the stirring cup is driven to rotate, the water flow drives the grinding piece 120 to rotate, the food fluid is guided to a grinding channel formed between the chassis 130 and the first grinding part 302, and the first grinding part 302 acts on food to realize fine grinding of the food.

According to the grinding assembly 100 of the embodiment of the invention, the upper knife 110 rotates to cut large food and generate a rotating water flow in the food processor; rotatory rivers act on the water conservancy diversion muscle 121 on grinding piece 120, and then the drive grinds that piece 120 is rotatory, and the direction of rotation that grinds piece 120 is the same with the rivers direction, can reduce the speed of rivers from this, and under the unchangeable condition of last sword 110 rotational speed, can make the contact chance increase of food in last sword 110 and the rivers, thereby improved grinding efficiency, because the speed of water vortex reduces, also reduced noise, promoted user experience.

It should be noted that, referring to fig. 3 and 4, a second grinding portion 301 cooperating with the first grinding portion 302 may be disposed on the bottom plate 130 to form a grinding passage between the first grinding portion 302 and the second grinding portion 301. In the embodiment shown in fig. 3, a vortex flow passage 122 is formed between two adjacent flow guiding ribs 121 to better receive the water flow thrust to promote the rotation of the grinding member 120.

Referring to fig. 3 and 4, the grinding member 120 has an inlet 305 of the grinding channel, and an outlet 306 of the grinding channel is formed between the outer peripheral edge of the grinding member 120 and the bottom plate 130, so that the food fluid enters the grinding channel through the inlet 305 under the action of the upper knife 110 of the food processor, the food fluid is discharged from the outlet 306 after being ground through the grinding channel under the action of centrifugal force of the upper knife 110, and the discharged food fluid can circularly flow back to the outlet 306 under the action of the upper knife 110, thereby realizing circular grinding, and enabling the food grinding to be more delicate and better in grinding effect.

It should be noted that, referring to fig. 4, in some embodiments of the present invention, the grinding assembly 100 further includes a top knife 140, the top knife 140 is fixedly connected to the driving shaft 310 and is located on the upper side of the upper knife 110, and the top knife 140 is mainly used for cutting large food, so as to prevent the large food from being pushed on the upper portion of the upper knife 110 and being unable to enter the grinding range of the upper knife 110. The top knife 140, the top knife 110, the grinding member 120, and the bottom plate 130 are arranged from top to bottom. Specifically, the top blade 140 and the top blade 110 are fixedly coupled to the upper portion of the driving shaft 310 by a screw 303. The grinding member 120 is disposed between the bottom plate 130 and the upper blade 110, and is slidably connected to the driving shaft 310 to achieve relative rotation of the grinding member 120 and the driving shaft 310. It can be understood that the driving shaft 310 is connected to the installation site located at the center of the chassis 130 through the bearing 320 and the oil seal 330, and the connection is stable and reliable. The bearing 320 is provided with a stop collar 304 on the underside to define the axial position of the bearing 320 and drive shaft 310.

It will be appreciated that a variety of arrangements may be employed to achieve the sliding connection of the grinding member 120 to the drive shaft 310. Referring to fig. 4, the grinding member 120 is provided with a through hole 403, a shaft sleeve 401 is fixedly connected in the through hole 403, the grinding member 120 is sleeved on the driving shaft 310 through the shaft sleeve 401, the shaft sleeve 401 is slidably connected with the driving shaft 310, and the shaft sleeve 401 may be made of wear-resistant materials, such as chromium carbide, high manganese steel, tungsten carbide, wear-resistant ceramics, and the like. It should be emphasized that, in order to better fix the sleeve 401 on the grinding member 120, one end of the sleeve 401 has a flange, and the other end is detachably connected with a gasket 402, the sleeve 401 and the gasket 402 form an annular mounting groove, and the annular mounting groove is matched with the inside of the through hole 403 of the grinding member 120.

Referring to fig. 4 and 5, it can be understood that the second grinding part 301 is provided on the bottom surface of the base plate 130, the first grinding part 302 is provided on the lower end surface of the grinding member 120, and the food fluid is subjected to grinding force in the up-down direction while passing through the grinding passage. Along the direction of keeping away from chassis 130 center, grind the passageway and reduce gradually at the clearance a of upper and lower direction, clearance a reduces gradually and can make food under the effect of centrifugal force along the center of chassis 130 to the in-process that flows all around, progressively realizes the coarse grinding, half the accurate grinding to the process of accurate grinding for food fluid progressively refines and grinds, and then realizes the fine grinding of food, makes food grind better fine and smooth, has further improved the effect of grinding. And moreover, the mode of gradually refining and grinding is adopted, so that the grinding resistance can be effectively reduced, and the smoothness in the grinding process is ensured.

Tests show that when the grinding assembly 100 of the embodiment of the invention is adopted to realize better grinding effect, the rotating speed of the driving motor can be reduced to be less than 8000rpm, 95% of food particles can be smaller than 0.35mm in size, and the grinding noise can be reduced to be about 70 dB.

Referring to fig. 6 and 7, in some embodiments of the present invention, the second grinding part 301 includes a plurality of sets of second teeth 501 distributed along the circumferential direction of the bottom plate 130, the second teeth 501 are distributed on the bottom surface of the bottom plate 130, and correspondingly, referring to fig. 9 and 10, the first grinding part 302 includes a plurality of sets of first teeth 502 distributed in a ring shape, the first teeth 502 are distributed on the lower end surface of the grinding member 120, and the second teeth 501 and the first teeth 502 are paired to grind the food fluid. It should be noted that the second convex teeth 501 and the first convex teeth 502 may be configured as a rectangular pyramid, a rectangular frustum, a triangular pyramid or a triangular frustum, and the processing process is simple and convenient, and sharp corners of the rectangular pyramid, the rectangular frustum, the triangular pyramid or the triangular frustum are utilized to shear and extrude the food fluid, which is beneficial to improving the effect of grinding and breaking the walls; specifically, the ends of the second teeth 501 and the first teeth 502 may be tips, flat surfaces, cutting edges, or other structures capable of cutting food, and are not limited in detail herein.

It should be emphasized that, in order to improve the grinding efficiency, the second convex tooth 501 is provided with an asymmetric structure, the slope of the surface facing the water flow is steeper than that of the surface facing away from the water flow relative to the rotation direction of the water flow, the cutting effect of the steeper surface is better, and the food can be prevented from being blocked in the grinding channel.

It should be noted that the fit clearance between the second convex teeth 501 and the first convex teeth 502 is b, wherein b is greater than or equal to 0.2mm, so that the smoothness of the grinding member 120 and the chassis 130 in the operation process is ensured, and the phenomenon that food is blocked at the outlet 306 to affect the grinding efficiency, thereby causing overload damage to the driving motor is avoided.

It should be noted that, referring to fig. 7, each set of corresponding second convex teeth 501 is arranged along the radial direction of the base plate 130, a second flow passage 701 is arranged between two radially arranged second convex teeth 501 at an interval, the base plate 130 is provided with a plurality of second flow passages 701 distributed along the radial direction, the plurality of second flow passages 701 extend along the center of the base plate 130 to the peripheral edge, so that the amount of water passing through the second grinding part 301 can be increased, the speed of the food fluid flowing from the inlet 305 to the outlet 306 in the grinding passage can be increased, and the grinding efficiency of the grinding assembly 100 can be improved. It can be understood that the second flow passages 701 are curved and distributed in a vortex shape, which can increase the flow velocity of the grinding passage and increase the flow guiding speed of the food fluid, thereby increasing the water passing amount entering the grinding passage and further improving the grinding efficiency; of course, as shown in fig. 7, the second flow path 701 may be provided in a straight line.

It should be further noted that, referring to fig. 7, a second circulation channel 702 is formed between two adjacent sets of second teeth 501 along the circumferential direction. The second circulation channel 702 is coincident with the rotation direction of the grinding member 120, the grinding member 120 rotates and moves on the second circulation channel 702 at a high speed, so that the second grinding part 301 and the first grinding part 302 can grind food, the second circulation channel 702 and the second circulation channel 701 are staggered and communicated, the food can be sufficiently ground, the flow speed of food fluid can be further increased, and the grinding efficiency can be improved.

It is understood that, referring to fig. 7, the second grinding portion 301 includes a plurality of sets of second teeth 501 distributed along the circumferential direction, and each set of second teeth 501 is distributed on the bottom surface of the bottom plate 130 in a ring shape. Furthermore, the distribution density of each group of second convex teeth 501 increases along the direction from the center to the peripheral edge of the base plate 130. It is understood that there are five sets of annular second teeth 501, and the number of the first set of second teeth 501 is 6, the number of the second set of second teeth 501 is 12, and the number of the fourth set of second teeth 501 is 72 along the direction from the center to the periphery of the chassis 130. Accordingly, referring to fig. 9 and 10, the arrangement of the first polishing portions 302 is also regular, and the distribution density of each group of first convex teeth 502 increases along the direction from the center to the peripheral edge of the polishing member 120, specifically, there are four groups of annular first convex teeth 502. However, the arrangement is irregular, thereby facilitating the grinding of the food, and simultaneously, the food fluid can be finely ground in the grinding channel step by step through the change of the density, thereby improving the grinding smoothness and avoiding the phenomenon of jamming of the grinding assembly 100 in the operation process.

It can be understood that the bottom surface of the bottom plate 130 is configured as a downward concave curved surface in a direction away from the center of the bottom plate 130, that is, an included angle is formed between the bottom surface of the bottom plate 130 and the horizontal plane, and the curved surface is beneficial to the downward flow of the food fluid, reduces the resistance of the food fluid, has no dead angle, and avoids the accumulation of the food fluid. It will be appreciated that the lower end surface of the grinding member 120 is configured as an arcuate surface (not shown) that is cooperatively connected with the bottom plate 130, and the cooperation of the arcuate surface and the curved surface can guide the food fluid to be discharged from the periphery of the bottom plate 130, and help guide the food fluid to the upper knife 110 again, so that the food can be circularly sheared and ground, and the wall breaking efficiency can be improved.

Referring to fig. 8 and 9, in some embodiments of the invention, the grinding member 120 comprises a connecting portion 801, spokes 802 and a grinding disk 803, the spokes 802 being connected at one end to the connecting portion 801 and at the other end to the grinding disk 803, the spokes 802 forming between them an inlet 305 for food to enter the grinding channel. The fluid guiding ribs 121 are disposed on the upper portion of the spoke 802 or the upper portion of the grinding plate 803, the first grinding portion 302 includes a plurality of sets of first protruding teeth 502 distributed annularly, and the first protruding teeth 502 are disposed on the bottom of the grinding plate 803. The first convex teeth 502 are arranged along the radial direction of the grinding disc 803 and are provided with first flow channels 1001 distributed along the radial direction, and in order to further increase the water passing amount through the first grinding part 302, the first flow channels 1001 are provided with guide grooves which can further increase the sectional area of the grinding channel, thereby increasing the flow speed of the food fluid and improving the grinding efficiency. It can be understood that the first flow channels 1001 are linear and radially distributed, which can increase the flow velocity of the food fluid in the grinding channel, thereby increasing the water flow entering the grinding channel and further improving the grinding efficiency.

It should be understood that, referring to fig. 9 and 10, a first circulation passage 1002 is formed between two adjacent sets of first lobes 502 in the circumferential direction. The first circulation channel 1002 coincides with the rotation direction of the grinding disc 803 and is matched with the second circulation channel 702 of the base plate 130, so that the first grinding part 302 and the second grinding part 301 are favorable for grinding food, the flow speed of food fluid is further increased, the grinding efficiency is further improved, and the grinding effect is improved.

It can be understood that the flow guiding ribs 121 may be disposed on the spokes 802 or the grinding disc 803, or one end of the flow guiding ribs 121 may be connected to the connecting portion 801, and the other end of the flow guiding ribs extends to the grinding disc 803 through the spokes 802 (see fig. 11 and 15), and the extending length of the flow guiding ribs 121 is larger to help increase the resistance of the flow guiding ribs 121 to water, so that the grinding member 120 obtains a larger pushing force; referring to fig. 11 and 15, the flow guide rib 121 includes a first flow guide rib having one end connected to the connecting portion 801 and the other end extending to the grinding plate 803 through the spoke 802, and a second flow guide rib disposed on the grinding plate 803, the first flow guide rib and the second flow guide rib are disposed at an interval, so that a pushing force capable of further lifting the grinding member 120 is provided, and simultaneously, the amount of the food fluid entering the grinding passage is increased.

In some embodiments, referring to fig. 8, 11, and 12, the flow guiding ribs 121 are disposed in a curved manner toward one side in a direction away from the center of the grinding member 120, that is, the flow guiding ribs 121 are spirally distributed on the upper side of the grinding member 120, and the curved direction of the flow guiding ribs 121 faces the incoming direction of the water flow. Above-mentioned setting can make rivers produce great driving force to water conservancy diversion muscle 121 for grind 120 and take place rotatoryly, simultaneously, when rivers gush to the crooked direction of water conservancy diversion muscle 121, under the guide of water conservancy diversion muscle 121, the import 305 department that grinds 120 is collected to what the rivers ability of containing food is more, and then enters into and grinds the passageway, promotes grinding efficiency.

It should be further noted that, as shown in fig. 8, along the width direction of the spoke 802, the flow guiding ribs 121 are disposed at both side edges of the spoke 802, and a vortex flow channel 122 is formed between the two flow guiding ribs 121. So set up, when the intensity of reinforcing grinding piece 120, can make grinding piece 120 can make better use of the water vortex, produce great resistance to the water vortex, reduce the velocity of flow of water vortex for the contact chance increase of upper slitter 110 and food in the rivers, thereby improved grinding efficiency, because the speed of water vortex reduces, also can reduce noise at work.

In some embodiments, referring to fig. 13 and 14, the flow guiding ribs 121 are radially distributed in a direction away from the center of the grinding member 120, the cross section of the flow guiding ribs 121 is provided with a notch 1301, and the opening direction of the notch 1301 faces the incoming direction of water flow. The water conservancy diversion muscle 121 of above-mentioned setting can produce great resistance to rivers, makes rivers produce great thrust to water conservancy diversion muscle 121 for grind piece 120 and takes place rotatoryly, simultaneously, when rivers gush to the opening direction of notch, under the guide of water conservancy diversion muscle 121, the import 305 department that gathers to grind piece 120 that contains the rivers ability of food is more, and then enters into and grinds the passageway, further promotes grinding efficiency. It is understood that the notch 1301 can be approximately V-shaped, arcuate, etc.

It should be noted that, referring to fig. 13, in this embodiment, the flow guiding ribs 121 also function as spokes 802, so that the production cost can be saved and the integrity of the grinding member 120 can be improved while a large water flow thrust is obtained.

In some embodiments, referring to fig. 15 and 16, the flow guiding ribs 121 are obliquely arranged on the grinding member 120, and the oblique direction of the flow guiding ribs 121 faces the incoming direction of the water flow. The water conservancy diversion muscle 121 that the slope set up can produce great resistance to rivers, make rivers produce great thrust to water conservancy diversion muscle 121 for grind 120 and take place rotatoryly, simultaneously, when rivers gush to the incline direction of water conservancy diversion muscle 121, under the guide of water conservancy diversion muscle 121, the import 305 department that gathers to grind 120 that contains the rivers ability of food, and then enter into and grind the passageway, further promote grinding efficiency. Referring to fig. 15, an axial inclination angle of the air guide rib 121 is c, and c is greater than 0 ° and less than or equal to 15 °, so that the air guide rib 121 obtains a large pushing force.

Referring to fig. 17, in some embodiments of the present invention, the upper blade 110 includes two first blades 1710 and two second blades 1720 arranged opposite to each other, the first blades 1710 and the second blades 1720 are arranged alternately, each of the first blades 1710 includes a main blade portion 1711 and a blade end portion 1712 connected to the main blade portion 1711, the main blade portion 1711 is arranged horizontally, and the blade end portion 1712 and the second blades 1720 are tilted upward. The second blade 1720 tilts upwards, so that a good cutting effect can be generated on food on the top of the upper knife 110, meanwhile, the main blade 1711 of the first blade 1710 is horizontally arranged, the blade end 1712 tilts upwards and is matched with the second blade 1720, the main blade and the blade end are staggered in the vertical direction, a good water pressing effect can be achieved, and more water with food can enter the grinding channel from the inlet 305. Meanwhile, the water flow is pressed downwards and rotates, the grinding piece 120 can be better pushed to rotate, the grinding efficiency is improved, and the noise can be reduced.

It should be noted that, referring to fig. 19, an included angle α from the first blade 1710 to the adjacent second blade 1720 along the rotation direction of the upper blade 110 is α, wherein α is greater than or equal to 30 ° and less than or equal to 90 °. Through the arrangement, when the rotating speed is 8000rpm, the noise of the stirrer can be reduced by about 4 decibels.

It should be noted that, as shown in fig. 19, the first blade 1710 and the second blade 1720 are provided with the blade teeth 1701 on one side along the rotation direction of the upper blade 110, and the pitch of the blade teeth 1701 is L, wherein L is 1mm or more and 6mm or less, and by the above arrangement, the grinding performance of the upper blade 110 can be improved, and at the same time, the blade teeth 1701 are arranged toward the lower side, which contributes to improving the water pressing performance of the upper blade 110 while performing rotational cutting.

It should be further noted that, referring to fig. 18, the blade end 1712 is tilted upward, the tilting angle is β, wherein β is greater than or equal to 90 ° and less than or equal to 150 °; the tilting height is m, wherein m is more than or equal to 5mm and less than or equal to 20 mm; the tilting angle of the first blade 1710 is gamma, wherein gamma is more than or equal to 5 degrees and less than or equal to 45 degrees. Through the arrangement, the vertical cutting range of the first blade 1710 can be enlarged, and the cutting capability of the first blade 1710 is improved; meanwhile, inter-wing eddy current generated by the first blade 1710 and the second blade 1720 in the rotating process is reduced, so that the generation of noise is reduced, and when the rotating speed is 8000rpm, the noise of the stirrer can be reduced by about 2 decibels; and the water pressing performance of the upper knife 110 can be improved, thereby improving the grinding effect of the grinding assembly 100.

It can be understood that, after the food processor adopts the grinding assembly 100 of the embodiment of the present invention, the upper knife 110 drives the water flow to rotate in the rotation process, and the water flow pushes the grinding member 120 to rotate, so as to grind the food in the grinding channel, because the rotation direction of the grinding member 120 is the same as the rotation direction of the water flow, the rotation speed of the water flow can be reduced, and under the condition that the rotation speed of the upper knife 110 is not changed, the contact chance between the upper knife 110 and the food in the water flow is increased, so that the grinding efficiency is improved, because the speed of the water flow is reduced, the working noise is also reduced, and the grinding effect and the overall quality of the food processor can be improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. Grinding component for cooking machine, its characterized in that includes:

a chassis;

the upper knife is rotationally connected to the chassis through a driving shaft;

the grinding piece is positioned between the upper cutter and the base plate, the grinding piece is slidably sleeved on the driving shaft and can rotate around the driving shaft, a first grinding part is arranged on one side, facing the base plate, of the grinding piece, and a plurality of flow guide ribs are arranged on one side, facing the upper cutter, of the grinding piece so as to drive the grinding piece to rotate through water flow.

2. The grinding assembly of claim 1 wherein said grinding member has a through bore with a bushing fixedly secured therein, said grinding member being mounted to said drive shaft via said bushing.

3. The grinding assembly of claim 2 wherein said sleeve has a flange at one end and a gasket removably attached at the other end, said sleeve and said gasket forming an annular mounting groove for mounting said grinding element.

4. The grinding assembly of claim 1, wherein the flow guiding ribs are arranged in a bending way towards one side in a direction away from the center of the grinding piece, and the bending direction of the flow guiding ribs faces the incoming direction of the water flow; or along the direction far away from the center of the grinding piece, the flow guide ribs are distributed in a radioactive mode, the cross section of each flow guide rib is provided with a notch, and the opening direction of each notch faces the incoming direction of the water flow; or the diversion ribs are obliquely arranged on the grinding piece, and the oblique direction of the diversion ribs faces the incoming direction of the water flow.

5. The grinding assembly of claim 1, wherein the grinding member comprises:

a connecting portion for connecting with the drive shaft;

the grinding disc is arranged around the circumferential direction of the connecting part, and the first grinding part is arranged on the grinding disc; and

the two ends of the spoke are respectively connected with the connecting part and the spoke of the grinding disc;

wherein, the water conservancy diversion muscle includes that one end is connected to connecting portion, the other end process the spoke extends to the first water conservancy diversion muscle of abrasive disc.

6. The grinding assembly of claim 5, wherein the flow guide ribs further comprise second flow guide ribs disposed on the grinding disc, and the first flow guide ribs and the second flow guide ribs are spaced apart.

7. The grinding assembly of claim 5 wherein said ribs are disposed on both widthwise edges of said web to form a vortex flow path.

8. The grinding assembly of claim 1 wherein said base plate is provided with a second grinding section cooperating with said first grinding section to form a grinding channel between said first and second grinding sections.

9. The grinding assembly of claim 1 wherein said upper knife includes two oppositely disposed first blades and two oppositely disposed second blades, said first blades and said second blades being staggered, said first blades including a main blade portion and a blade end portion connected to said main blade portion, said main blade portion being horizontally disposed, said blade end portion and said second blades being upwardly tilted.

10. The abrasive assembly of claim 9 wherein the angle from said first blade to an adjacent said second blade in the direction of rotation of said upper blade is α, wherein 30 ° α 90 °.

11. The grinding assembly of claim 9, wherein the first blade and the second blade are each provided with a blade tooth on one side in the direction of rotation of the upper knife, the blade teeth having a pitch L, wherein L is 1mm or more and 6mm or less.

12. The abrasive assembly of claim 9 wherein the tip has a tip angle β, wherein β is 90 ° β 150 °; the tilting height is m, wherein m is more than or equal to 5mm and less than or equal to 20 mm; the tilting angle of the first blade is gamma, wherein gamma is more than or equal to 5 degrees and less than or equal to 45 degrees.