CN114052535B

CN114052535B - Grinding knife, grinding assembly and food processor

Info

Publication number: CN114052535B
Application number: CN202010748981.3A
Authority: CN
Inventors: 文志华
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: 2020-07-30
Filing date: 2020-07-30
Publication date: 2022-11-08
Anticipated expiration: 2040-07-30
Also published as: WO2022021762A1; CN114052535A

Abstract

The invention discloses a grinding knife, a grinding assembly and a food processor, and relates to the technical field of household appliances, wherein the grinding knife comprises a connecting part, a grinding body and a grinding part, the grinding body is connected with the connecting part and obliquely and downwardly extends along the direction far away from the connecting part, and the grinding part is arranged at the bottom of the grinding body. According to the food grinding machine, the grinding body which is connected with the connecting part and is provided with the grinding part at the bottom is arranged, and the grinding body extends downwards along the direction far away from the connecting part in an inclined mode, so that food can be guided into the grinding gap between the grinding cutter and the base plate in the rotating process, the grinding part grinds the food, and the grinding gap is gradually reduced in the centrifugal grinding process of the food, so that the food is ground more finely and the grinding effect is better.

Description

Grinding knife, grinding assembly and food processor

Technical Field

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

Background

The food processor typically accomplishes the comminuting and grinding of the food by rotation of the blending blades. In the prior art, a wall breaking machine is taken as an example, and the wall breaking machine is required to achieve better grinding performance at a high rotating speed, so that the working noise is higher; for the food processor with medium and low rotating speed, the grinding performance of the common stirring blade is poor, and the use requirement of a user cannot be met.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the grinding knife provided by the invention can grind food more finely and has a better grinding effect.

The invention also provides a grinding assembly with the grinding knife.

The invention also provides a food processor with the grinding assembly.

An abrasive blade according to an embodiment of a first aspect of the present invention comprises: a connecting portion; the grinding body is connected with the connecting part and extends downwards in an inclined mode along the direction far away from the connecting part; the grinding part is arranged at the bottom of the grinding body.

The grinding knife provided by the embodiment of the invention at least has the following beneficial effects:

the grinding body is connected with the connecting portion and the bottom of the grinding body is provided with the grinding portion, the grinding body extends downwards along the direction which is far away from the connecting portion in an inclined mode, so that food can be guided to the grinding gap between the grinding knife and the base plate in the rotating process, the grinding portion grinds food, the grinding gap in the grinding process of the food along the centrifugal direction is gradually reduced, and therefore the food is ground more finely and better in grinding effect.

According to some embodiments of the invention, the abrasive body is provided in a plurality, the plurality of abrasive bodies are respectively arranged at intervals along a circumferential direction of the connecting portion, and the plurality of abrasive bodies are configured to be distributed in a spiral shape.

According to some embodiments of the invention, the grinding body comprises a spoke portion and a disk portion, wherein one end of the spoke portion, which is far away from the connecting portion, is connected with the disk portion, and the spoke portion is arc-shaped in the up-down direction.

According to some embodiments of the invention, the grinding part comprises a plurality of sets of teeth distributed annularly, and each set of corresponding teeth is arranged along a radial direction of the grinding body and is formed with a first flow passage distributed along the radial direction.

According to some embodiments of the invention, a second flow passage is formed circumferentially between each adjacent set of teeth.

According to some embodiments of the invention, one end of the disk body portion in the circumferential direction is disposed obliquely downward toward the other end.

According to some embodiments of the invention, the other end of the disc portion extends outward to form a gap between the disc portion and the spoke portion.

According to some embodiments of the invention, the grinding knife further comprises a guide part, one end of the guide part is connected with the periphery of the disk body part, and the other end of the guide part is arranged obliquely upwards along the direction far away from the disk body part.

According to some embodiments of the invention, the bottom of the guiding part is provided with a third flow channel distributed in a radial direction.

According to some embodiments of the invention, adjacent abrasive bodies are connected by a reinforcing rib, and the reinforcing rib is connected to one end of the adjacent abrasive body far away from the connecting part.

An abrasive assembly according to an embodiment of the second aspect of the invention comprises an abrasive blade as described in the embodiment of the first aspect of the invention.

The grinding assembly according to the embodiment of the invention has at least the following advantages:

by adopting the grinding tool according to the embodiment of the first aspect of the invention, the grinding body extends downwards along the direction away from the connecting part in an inclined manner, so that food can be guided into the grinding gap between the grinding tool and the chassis in the rotating process, the grinding part grinds the food, and the grinding gap is gradually reduced in the centrifugal grinding process of the food, so that the food is ground more finely, and the grinding effect of the grinding assembly is improved.

According to some embodiments of the invention, the grinding assembly further comprises a bottom disc, the bottom disc and the grinding knives rotate relatively, and the gap between the grinding body and the bottom disc is gradually reduced along the direction from the center to the inner circumferential edge of the bottom disc.

According to some embodiments of the invention, the gap between the abrasive body and the bottom disc is at least partly decreasing in a direction opposite to the direction of rotation of the abrasive body.

According to some embodiments of the invention, the grinding assembly further comprises an upper knife, the grinding knife and the chassis being arranged from top to bottom.

The food processor provided by the embodiment of the invention at least has the following beneficial effects:

by adopting the grinding assembly provided by the embodiment of the second aspect of the invention, food can be guided to the grinding gap between the grinding cutter and the chassis in the rotating process, the grinding part grinds the food, and the grinding gap is gradually reduced in the grinding process of the food along the centrifugal direction, so that the food is ground more finely, and the grinding effect and the overall quality of the food processor are improved.

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

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 perspective view of a grinding tool according to an embodiment of the present invention;

FIG. 2 is a schematic front view of a grinding tool according to an embodiment of the present invention;

FIG. 3 is a schematic top view of a grinding blade according to an embodiment of the present invention;

FIG. 4 is a schematic bottom view of a grinding blade according to an embodiment of the present invention;

FIG. 5 is a perspective view of a grinding blade according to another embodiment of the present invention;

FIG. 6 is a schematic bottom view of a grinding blade according to another embodiment of the present invention;

FIG. 7 is a cross-sectional view of an abrasive blade according to another embodiment of the present invention;

FIG. 8 is a perspective view of a grinding blade according to another embodiment of the present invention;

FIG. 9 is a schematic perspective view of an abrasive assembly according to one embodiment of the present disclosure;

FIG. 10 is a cross-sectional view of an abrasive assembly according to one embodiment of the present invention;

FIG. 11 is a cross-sectional view of an abrasive assembly according to another embodiment of the invention;

fig. 12 is an exploded view of fig. 9.

Reference numerals:

grinding the knife 100; a connecting portion 110; a grinding body 120; the spoke portion 121; a disk portion 122; a reinforcing rib 123; a cutter 124; a polishing section 130; the convex teeth 131; a first flow channel 140; a second flow passage 150; a guide part 160; a notch 170; a third flow passage 180;

a chassis 200; the grinding teeth 210; a first positioning portion 220; a second positioning part 230;

a drive shaft 300;

and an upper knife 400.

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 reference numerals refer to the same or similar elements or elements having the same or similar functions 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 descriptions, such as the orientation or positional relationship indicated by upper, lower, etc., are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular 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 fig. 2, a grinding knife 100 according to an embodiment of the present invention is applied to a food processing apparatus such as a wall breaking machine, and the grinding knife 100 cuts, crushes or grinds food, so as to break cell walls of cells in the food, and fully release vitamins, minerals, phytochemicals, proteins, water and the like in the cells, so as to obtain food with small particle size, thereby realizing food processing. The grinding blade 100 according to an embodiment of the present invention includes a connecting portion 110, the connecting portion 110 is located at the center of the grinding blade 100, and the connecting portion 110 is connected to a driving motor (not shown) through a driving shaft 300.

Referring to fig. 1 and 2, the milling cutter 100 according to an embodiment of the present invention further includes a milling body 120, the milling body 120 is connected to the connecting portion 110, and the milling body 120 and the connecting portion 110 may be manufactured by an integral molding process or fixed by welding. Specifically, as shown in fig. 9 and 10, the grinding body 120 extends obliquely downward along a direction away from the connecting portion 110, and the bottom of the grinding body 120 is provided with the grinding portion 130, so that in the process that the driving shaft 300 drives the grinding knife 100 to rotate, food can be guided to the grinding gap between the grinding knife 100 and the chassis 200, and the grinding portion 130 grinds the food, so that the size of food particles is smaller than 0.35mm, thereby realizing the wall-breaking grinding of the food. Under the action of the grinding knife 100, food flows along the periphery of the grinding knife 100 in the direction, namely the centrifugal direction, and the grinding gap is gradually reduced in the food flowing direction, so that the food is ground more finely and better in grinding effect.

Referring to fig. 3, in some embodiments of the present invention, the abrasive body 120 is provided in plurality, and it is understood that the abrasive body 120 may be provided in 2, 3, 4, 5 or more, and is not particularly limited herein. Specifically, the plurality of grinding bodies 120 are respectively arranged along the circumferential direction of the connecting portion 110 at intervals, and the plurality of grinding bodies 120 are uniformly arranged along the circumferential direction of the connecting portion 110 and are configured to be distributed in a vortex shape, so that the plurality of grinding bodies 120 can extrude the food fluid downwards in the rotating process, the food fluid is guided to enter the grinding gap for grinding, and the grinding effect is improved.

Referring to fig. 2 and 3, in some embodiments of the present invention, the abrasive body 120 includes a spoke portion 121 and a disc portion 122, and one end of the spoke portion 121 is connected to the connection portion 110 and the other end is connected to the disc portion 122. Specifically, the spoke portions 121 are arc-shaped in the vertical direction, so that the contact area between the spoke portions 121 and food fluid is increased, the running resistance of the grinding knife 100 is smaller, and the power consumption of the driving motor is reduced.

Referring to fig. 3, in some embodiments of the present invention, the end 1211 of the spoke part 121 is protruded in the rotation direction of the abrasive body 120 such that the end 1211 is curved to reduce the resistance with the food fluid; the edge 1211 is provided with a cutting edge to improve the cutting function of the food, so that the food can be further cut before entering the grinding gap, and the grinding fineness is improved.

Referring to fig. 4, in some embodiments of the present invention, the grinding part 130 includes a protruding tooth 131, and the protruding tooth 131 may be provided on the spoke part 121 or on the disk body part 122, or on both the spoke part 121 and the disk body part 122. In this embodiment, the bottom of the grinding body 120 is provided with a plurality of sets of teeth 131, and the plurality of sets of teeth 131 are annularly distributed at the bottom of the grinding body 120 at intervals for grinding food. It can be understood that the convex teeth 131 are configured as a rectangular pyramid or a rectangular frustum, and the processing process is simple and convenient. In addition, each set of corresponding teeth 131 is arranged along the radial direction of the grinding body 120, a first flow channel 140 is arranged between two radially arranged teeth 131 at intervals, each grinding body 120 is provided with a plurality of first flow channels 140 distributed along the radial direction, so that the water passing amount through the grinding part 130 can be increased, the flowing speed of the food fluid is increased, and the grinding efficiency is improved.

Referring to fig. 4, in some embodiments of the present invention, a second flow channel 150 is formed between each adjacent set of teeth 131 along the circumferential direction, and the second flow channel 150 coincides with the rotation direction of the grinding cutter 100, so that the grinding part 130 can grind food, and the flow speed of the food fluid is further increased, thereby further improving the grinding efficiency and the grinding effect.

It can be understood that, in some embodiments of the present invention, the distribution density of each set of teeth 131 gradually increases along the direction from the center to the outer circumference of the grinding body 120, so that the food fluid is ground in the grinding gap gradually and finely, the grinding smoothness is improved, and the grinding tool 100 is prevented from being stuck during operation.

Referring to fig. 1 and 3, in some embodiments of the present invention, adjacent grinding bodies 120 are connected by a reinforcing rib 123, thereby improving the structural strength of the grinding bodies 120 and the structural stability of the grinding blade 100. In some embodiments, the reinforcing rib 123 is connected to the outer peripheral edge of the disk body 122 of the adjacent grinding body 120, so that the structural stability of the grinding body 120 is improved, and the cross-sectional area of the inlet of the food fluid into the grinding gap is maximized, thereby ensuring the water passing amount into the grinding gap.

Referring to fig. 1, in some embodiments of the present invention, the cutting blade 124 is disposed along the outer circumference of the body 122, and the cutting blade 124 extends in an upward direction, so as to improve the cutting function of food above the grinding blade 100 and improve the grinding effect of the grinding blade 100.

Referring to fig. 5 and 7, a milling cutter 100 according to another embodiment of the present invention includes a connecting portion 110, and 5 milling bodies 120 uniformly distributed along a circumferential direction of the connecting portion 110 and connected to the connecting portion 110, wherein the milling bodies 120 include disk portions 122, and one end of each disk portion 122 in the circumferential direction is disposed obliquely downward toward the other end. It should be noted that, the circumferential direction here may be understood as a moving direction of the disk portion 122 when the grinding cutter 100 rotates, and referring to fig. 5 and 6, when the rotating direction of the grinding cutter 100 is a clockwise direction as shown in fig. 6, one end of the disk portion 122 is disposed obliquely downward toward the other end with respect to the opposite direction of the rotating direction, and the disk portion 122 may be partially disposed obliquely downward or may be disposed obliquely downward as a whole, and is not limited in particular. Referring to fig. 7, the pan body 122 is arranged obliquely downward, so that a gap c is formed between the grinding portion 130 on the pan body 122 and a horizontal plane where the lowest point of the pan body 122 is located, and the gap c is gradually reduced, so that the food fluid can enter the grinding gap, and the food fluid can be gradually refined and ground when passing through the grinding gap, thereby realizing the fine grinding of food, making the food grinding more delicate, and further improving the grinding effect.

Referring to fig. 5 and 6, in some embodiments of the present invention, the other end of the disc portion 122 extends outward and protrudes from the spoke portion 121, it can be understood that the disc portion 122 protrudes in a direction opposite to the rotation direction of the grinding cutter 100, that is, in a counterclockwise direction in fig. 6, so that a gap 170 is formed between the disc portion 122 and the spoke portion 121, so that the protruding portion of the disc portion 122 has a certain amount of elastic deformation, the grinding smoothness of the disc portion 122 is improved, an excessive resistance phenomenon caused by a reduced grinding gap during the operation of the grinding cutter 100 is avoided, and the grinding cutter 100 can be adapted to grind a wider variety of foods.

Referring to fig. 7, in some embodiments of the present invention, the grinding portion 130 is only disposed on the disc portion 120, and the bottom of the spoke portion 121 is a smooth surface, so that the grinding effect of the grinding blade 100 is ensured, and the rotation resistance of the grinding blade 100 is reduced.

Referring to fig. 5 and 7, in some embodiments of the present invention, the grinding cutter 100 further includes a guide portion 160, the guide portion 160 is connected to the periphery of the disk portion 122, and one end of the guide portion 160 away from the disk portion 122 is disposed obliquely upward toward the outside, so that the food fluid at the outlet of the disk portion 122 can be guided, and the food fluid can rapidly flow out from the guide portion 160, thereby increasing the flow rate of the food fluid passing through the grinding gap, increasing the amount of water passing through the grinding portion 130, and improving the grinding effect.

Referring to fig. 6, in some embodiments of the present invention, the bottom of the guide part 160 is provided with third flow passages 180 distributed in a radial direction, and the third flow passages 180 may be formed by adjacent teeth or formed by grooves formed in the guide part 160, which is not limited herein. The third flow passages 180 may be uniformly distributed in the guide part 160, or may be disposed at a local position of the guide part 160, and the third flow passages 180 may further increase the flow rate of the food fluid flowing out through the guide part 160, and may guide the food fluid so that the food fluid may be guided to the center of the grinding knife 100 to flow back, thereby increasing the amount of water passing through the grinding part 130, increasing the flow rate of the food fluid, and improving the grinding efficiency.

Referring to fig. 8, in the milling cutter 100 according to another embodiment of the present invention, the upper ends of the guide portions 160 of adjacent milling cutters 100 are connected by the reinforcing rib 123, and the reinforcing rib 123 is configured in a ring shape to improve the structural strength of the milling cutter 100 and not to affect the flow guiding effect of the guide portions 160, so as to ensure the flow velocity of the food fluid in the milling gap, ensure the water passing amount of the milling gap, and ensure the milling efficiency of the milling cutter 100.

Referring to fig. 9 and 10, in the grinding assembly according to an embodiment of the present invention, the grinding assembly is generally installed at the bottom of a stirring cup (not shown) of a food processor, a stirring cavity (not shown) for placing food is formed in the stirring cup, and the grinding assembly performs operations such as cutting and grinding on the food, so that the food fluid forms a vortex circulation in the stirring cavity, thereby performing a wall breaking process on the food. The grinding assembly of the embodiment of the invention comprises the grinding cutter 100 of the above embodiment, the grinding cutter 100 is provided with the grinding body 120 which is connected with the connecting part 110 and is provided with the grinding part 130 at the bottom, and the grinding body 120 extends obliquely downwards along the direction far away from the connecting part 110, so that food can be guided to a grinding gap between the grinding cutter 100 and the chassis 200 in the rotating process, and the grinding part 130 grinds the food, thereby improving the grinding effect.

Referring to fig. 10, the grinding assembly according to an embodiment of the present invention further includes a bottom plate 200, the upper surface of the bottom plate 200 is provided with grinding teeth 210, the bottom plate 200 is rotatably connected to the grinding blade 100, and the driving grinding part 130 is matched with the grinding teeth 210 to grind the food. In some embodiments, the gap a between the grinding body 120 and the bottom plate 200 is gradually reduced along the direction from the center to the inner circumference of the bottom plate 200, so that the food fluid gradually performs fine grinding when passing through the grinding gap, thereby achieving fine grinding of the food, making the food grinding more delicate, and further improving the grinding effect.

Referring to fig. 11, in some embodiments of the present invention, in a direction opposite to the rotation direction of the grinding body 120, at least a portion of the gap b between the grinding body 120 and the bottom plate 200 is gradually reduced, so that the food fluid can enter the grinding gap, and the food fluid can be gradually finely ground while passing through the grinding gap, thereby finely grinding the food, making the food finer, and further improving the grinding effect.

Referring to fig. 12, the grinding assembly further includes an upper knife 400 and a base plate 200, the upper knife 400 and the grinding knife 100 are connected by a driving shaft 300, and specifically, the connecting portion 110 is mounted on the driving shaft 300 together with the upper knife 400 and is fixedly connected to the end of the driving shaft 300 by a screw, so that the upper knife 400 and the grinding knife 100 can rotate relative to the base plate 200, thereby improving the grinding efficiency of the grinding assembly and enabling the grinding assembly to better grind the food fluid.

Referring to fig. 12, the driving shaft 300 is connected to the installation site located at the center of the chassis 200 through the bearing 310 and the oil seal 320, and the connection is stable and reliable. In addition, chassis 200's interior border is upwards direction extension and is equipped with first location portion 220, first location portion 220 and stirring cup's inner wall joint to realize chassis 200 and stirring cup's circumferential location, improved the precision of installation, promoted the efficiency of assembly. In addition, the outer edge of the chassis 200 extends outwards to form a second positioning portion 230, and the second positioning portion 230 is connected with the bottom wall of the stirring cup, so that the chassis 200 and the stirring cup are positioned up and down, and the mounting precision is further improved.

The food processor of an embodiment of the invention comprises the grinding assembly of the above embodiment. According to the food processor provided by the embodiment of the invention, the grinding body 120 which is connected with the connecting part 110 and is provided with the grinding part 130 at the bottom is arranged through the grinding component, the grinding body 120 extends obliquely and downwards along the direction far away from the connecting part 110, so that food can be guided to the grinding gap between the grinding knife 100 and the chassis 200 in the rotating process, the grinding part 130 grinds the food, and the grinding gap is gradually reduced in the grinding process of the food along the centrifugal direction, so that the food is ground more finely, and the grinding effect of the food processor is 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. The grinding knife is characterized by comprising:

a connecting portion;

the grinding body is connected with the connecting part and extends downwards in an inclined mode along the direction far away from the connecting part;

the grinding part is arranged at the bottom of the grinding body;

the grinding body comprises a spoke portion and a disc body portion, one end, far away from the connecting portion, of the spoke portion is connected with the disc body portion, and the spoke portion is arc-shaped in the vertical direction.

2. The grinding knife of claim 1, wherein: the grinding body is provided with a plurality of, a plurality of the grinding body is respectively along the circumference interval setting of connecting portion, a plurality of the grinding body is constructed to be the vortex form and distributes.

3. The grinding knife of claim 1, wherein: the grinding part comprises a plurality of groups of convex teeth which are distributed annularly, and each group of corresponding convex teeth are arranged along the radial direction of the grinding body and form first flow passages which are distributed along the radial direction.

4. The grinding blade of claim 3, wherein: and a second flow channel is formed between every two adjacent groups of convex teeth along the circumferential direction.

5. The grinding knife of claim 1, wherein: one end of the disk body along the circumferential direction is arranged obliquely downwards towards the other end.

6. The grinding blade of claim 5, wherein: the other end of the disk body extends outwards to form a gap between the disk body and the spoke part.

7. The grinding knife of claim 1, wherein: the grinding knife further comprises a guide portion, one end of the guide portion is connected with the peripheral edge of the disc body portion, and the other end of the guide portion is arranged obliquely upwards along the direction far away from the disc body portion.

8. The grinding blade of claim 7, wherein: and third flow passages distributed along the radial direction are arranged at the bottom of the guide part.

9. The grinding knife of claim 1, wherein: the adjacent grinding bodies are connected through reinforcing ribs, and the reinforcing ribs are connected to the adjacent ends, far away from the connecting parts, of the grinding bodies.

10. A grinding assembly, characterized by: comprising a grinding blade as claimed in any one of claims 1 to 9.

11. The grinding assembly of claim 10, wherein: the grinding assembly further comprises a base plate, the base plate and the grinding cutter rotate relatively, and a gap between the grinding body and the base plate is gradually reduced along the direction from the center of the base plate to the inner peripheral edge.

12. The grinding assembly of claim 11, wherein: the grinding assembly further comprises an upper knife, and the upper knife, the grinding knife and the chassis are arranged from top to bottom.

13. Cooking machine, its characterized in that: comprising an abrasive blade as claimed in any one of claims 10 to 12.