CN214231026U

CN214231026U - Stirring cutter head subassembly and cooking machine

Info

Publication number: CN214231026U
Application number: CN202020308794.9U
Authority: CN
Inventors: 陈瑶; 唐路蒙
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2021-09-21
Anticipated expiration: 2030-03-12

Abstract

The application provides a stirring cutter head subassembly and cooking machine, its crushing effect is good. This stirring cutter head subassembly includes: a chassis; the cutter shaft penetrates through the chassis, and an upper stirring cutter is fixed at the upper end of the cutter shaft; the transmission case is arranged on the chassis and is provided with a lower stirring knife, and the transmission case can drive the lower stirring knife to rotate; wherein the ratio of the diameter of the transmission case to the diameter of the chassis is between 0.4 and 0.9.

Description

Stirring cutter head subassembly and cooking machine

Technical Field

The application relates to the field of small household appliances, in particular to a stirring cutter head assembly and a food processor.

Background

With the increasing living standard of people, many different types of food processors appear on the market. The functions of the food processor mainly include, but are not limited to, functions of making soybean milk, squeezing fruit juice, making rice paste, mincing meat, shaving ice, making coffee and/or blending facial masks and the like. The food processor can comprise a soybean milk machine, a stirrer or a wall breaking food processor and other machines for crushing and stirring food materials. The existing food processor has poor crushing effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stirring cutter head assembly and cooking machine to solve above-mentioned technical problem.

In order to achieve the above object, an embodiment of the present invention provides a stirring cutter head assembly. This stirring cutter head subassembly includes: a chassis; the cutter shaft penetrates through the chassis, and an upper stirring cutter is fixed at the upper end of the cutter shaft; the transmission case is arranged on the chassis and is provided with a lower stirring knife, and the transmission case can drive the lower stirring knife to rotate; wherein the ratio of the diameter of the transmission case to the diameter of the chassis is between 0.4 and 0.9.

Optionally, the transmission case includes a mounting seat, a transmission gear fixed to the cutter shaft, a driven gear meshed with the transmission gear, and a cutter holder, the mounting seat is fixed to the chassis in a matched manner, the driven gear is mounted to the mounting seat through a gear shaft, the cutter holder includes an inner gear ring meshed with the driven gear, and the lower stirring cutter is fixed to the cutter holder.

Optionally, a bearing and an oil seal are arranged between the tool apron and the cutter shaft. Through setting up the bearing for can relative rotation between blade holder and the arbor, through setting up the oil blanket, make lubricating oil between the two can not get into the stirring cup, and the liquid in the stirring cup can not get into between the two.

Optionally, the cutter shaft is provided with a first step for limiting the bearing. So, carry on spacingly through setting up first step to the bearing, can avoid the bearing to remove along upper and lower direction to make the structure more reliable and stable.

Optionally, the transmission case still includes the enclosing cover, the enclosing cover with the mount pad cooperation is fixed, just the enclosing cover can be to the blade holder carries on spacingly. So, can carry on spacingly to the blade holder through the enclosing cover, avoid this blade holder to take place the drunkenness in the upper and lower direction.

Optionally, a bearing and an oil seal are arranged between the outer cover and the tool apron. So, through setting up the bearing for the blade holder can rotate for the enclosing cover, through setting up the oil blanket, can avoid the lubricating oil between enclosing cover and the blade holder to get into the stirring cup, avoids the liquid in the stirring cup to get into between the two simultaneously.

Optionally, the outer cover and the mounting seat are fixed together by a thread or a welding manner, and a seal is formed between the outer cover and the mounting seat by a seal ring.

Optionally, the tool apron further includes a body portion disposed on the ring gear, the body portion includes a first mating surface and a second mating surface, the bearing is mated with the first mating surface, and the oil seal is mated with the second mating surface. So, through setting up first fitting surface and second fitting surface, can form better cooperation respectively with bearing and oil blanket.

Optionally, the top end of the tool apron is further provided with an installation surface and an anti-rotation portion protruding out of the installation surface, the lower stirring knife is fixed on the installation surface, and the lower stirring knife is provided with a through hole matched with the anti-rotation portion. So, prevent the portion of changeing through setting up and can avoid down stirring sword to rotate for the blade holder.

Optionally, the mount pad includes the diapire and certainly the lateral wall that forms is extended upwards to the diapire periphery, the enclosing cover is equipped with the internal thread, the lateral wall be equipped with internal thread complex external screw thread. Thus, the outer cover and the mounting seat can be conveniently mounted together.

Optionally, the gear shaft is fixed to the bottom wall.

Optionally, the bottom wall is pressed against the chassis, and a seat body sealing ring is arranged between the bottom wall and the chassis. Therefore, a seal is formed between the mounting seat and the base plate, and liquid in the stirring cup is prevented from entering the stirring cutter disc assembly.

Optionally, the mounting seat further comprises a shaft sleeve penetrating through the chassis, and a bearing is arranged between the shaft sleeve and the cutter shaft. Thus, the cutter shaft can rotate relative to the mounting seat.

Optionally, the cutter shaft is provided with a second step for limiting the bearing. So, carry on spacingly through setting up the second step to the bearing, can avoid the bearing to remove along upper and lower direction to make the structure more reliable and more stable.

Optionally, the stirring cutter head assembly further comprises a bottom cover and a sleeve body, and the sleeve body penetrates through the bottom cover and is matched with the shaft sleeve, so that the bottom plate and the bottom cover are installed together. Therefore, the chassis and the bottom cover can be conveniently installed together, and the sealing performance is good.

Optionally, the chassis is provided with a heating element. So, through setting up the heating member, can heat the edible material in the stirring cup to realize the heating function.

Optionally, the gearbox is located above the chassis. So, at cooking machine working process, liquid and/or solid edible material can submerge the transmission case to effectively reduce the noise of transmission case.

Optionally, the height of the gear box ranges between 20 mm and 30 mm. So, go up stirring sword and stirring sword down can be better beat, smash and eat the material, can also carry out better washing to the clearance between last stirring sword and the chassis down.

Optionally, the distance between the upper stirring blade and the lower stirring blade ranges from 2 mm to 9 mm. So, can avoid influencing the rotation of last stirring sword because of the arbor is too long to can make and go up the stirring sword and can fully contact with eating the material, it is better to smash the effect, simultaneously, can avoid influencing the washing because of the interval between last stirring sword and the lower stirring sword is too little.

Optionally, the distance between the upper stirring blade and the lower stirring blade ranges from 3.5 mm to 5 mm.

Optionally, the outer diameter of the lower stirring blade is smaller than the diameter of the chassis.

Optionally, the ratio of the outer diameter of the lower stirring blade to the diameter of the base plate ranges from 0.7 to 0.99. Therefore, the lower stirring knife has better stirring and crushing effects.

Optionally, the outer diameter of the upper stirring blade is smaller than or equal to the outer diameter of the lower stirring blade, and the outer diameter of the upper stirring blade is larger than the diameter of the transmission case. So, go up the stirring sword and can form better cooperation with stirring sword down to make crushing effect better.

The embodiment of the utility model provides a still provide a cooking machine. This cooking machine includes: the stirring cutter head assembly is arranged at the bottom of the stirring cup and comprises a stirring cup and a stirring cutter head assembly; and the cup cover assembly is covered on the stirring cup assembly.

Optionally, the gear box is located within the blender cup.

Optionally, the stirring cutter disc assembly is detachably mounted at the bottom of the stirring cup, or the stirring cutter disc assembly is non-detachably mounted at the bottom of the stirring cup. Thus, the cleaning is convenient and thorough.

According to the food processor, food materials with different heights can be stirred by the upper stirring knife and the lower stirring knife, the crushing effect is good, and the efficiency is high; because the ratio value of the diameter of the transmission case to the diameter of the chassis is between 0.4 and 0.9, the stirring cutter disc assembly has light weight, low cost and better turbulent flow and crushing effect.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a food processor of the present application;

fig. 2 is an exploded perspective view of the food processor shown in fig. 1, wherein the main frame is not shown;

fig. 3 is a cross-sectional view of the food processor shown in fig. 1, wherein the main frame is not shown;

FIG. 4 is a cross-sectional view of the stirring blade assembly shown in FIG. 3;

FIG. 5 is an enlarged view of the portion A shown in FIG. 4;

FIG. 6 is a partial perspective view of the blending blade assembly of FIG. 2;

FIG. 7 is an exploded perspective view of the blending blade assembly of FIG. 2;

FIG. 8 is a side view of the blending blade assembly of FIG. 2;

fig. 9 is a front view of the stirring blade assembly shown in fig. 2.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items. The term "plurality" as used herein includes two and more, corresponding to at least two.

Referring to fig. 1 to 9, the food processor 500 includes a main unit 400, a stirring cup assembly 300 and a cup cover assembly 200, wherein the stirring cup assembly 300 is mounted on the main unit 400, and the cup cover assembly 200 covers the stirring cup assembly 300. In other embodiments, the food processor 500 may not include the main body 400, and the motor may be mounted on the stirring cup assembly 300 or the cup lid assembly 200.

In the illustrated embodiment, the main body 400 includes a housing (not shown) and a motor (not shown) mounted in the housing. The stirring cup assembly 300 comprises a stirring cup 310 and a stirring cutter disc assembly 100 arranged at the bottom of the stirring cup 310, wherein the stirring cutter disc assembly 100 can be fixed at the bottom of the stirring cup 310 or detachably arranged at the bottom of the stirring cup 310. In the illustrated embodiment, the blending blade assembly 100 is removably mounted to the bottom of the blending cup 310.

The stirring cutter head assembly 100 comprises a chassis 10, a cutter shaft 15 and a transmission case. The cutter shaft 15 penetrates through the chassis 10, and an upper stirring cutter 11 is fixed at the upper end of the cutter shaft 15. The transmission case is arranged on the chassis 10, is provided with a lower stirring knife 26 and can drive the lower stirring knife 26 to rotate; wherein the ratio of the transmission case diameter H2 to the chassis 10 diameter is between 0.4 and 0.9. The base plate 10 comprises a plate body 12 and a matching part 13 arranged on the periphery of the plate body 12, wherein the matching part 13 is concavely arranged on the plate body 12, and the matching part 13 forms a seal with the bottom of the stirring cup 310 through a cup body sealing ring 131. The diameter of the base plate 10 refers to the diameter of the plate body 12 which can contact with food materials.

According to the food processor 500, food materials with different heights can be stirred by the upper stirring knife 11 and the lower stirring knife 26, so that the crushing effect is good, and the efficiency is high; because the ratio value of the diameter of the transmission case to the diameter of the chassis 10 is between 0.4 and 0.9, the stirring cutter head assembly 100 has light weight and low cost, and simultaneously has better turbulent flow and crushing effect.

In a preferred embodiment, the stirring blade assembly 100 is detachably mounted to the bottom of the stirring cup 310. When the stirring cup assembly 300 needs to be cleaned after being used, the stirring cutter head assembly 100 is detached to be cleaned, so that the cleaning is more convenient and thorough, the stirring cutter head assembly 100 has no dead angle which can not be cleaned, and the conditions of bacteria breeding and peculiar smell generation are effectively avoided. In another embodiment, the stirring blade assembly is non-detachably mounted to the bottom of the stirring cup 310, i.e. the stirring blade assembly 100 is fixed to the bottom of the stirring cup 310.

The lower stirring blade 26 and the upper stirring blade 11 are arranged at intervals in the vertical direction, and the lower stirring blade 26 and the upper stirring blade 11 can rotate in the same direction or rotate in the opposite direction. In the illustrated embodiment, the lower stirring blade 26 and the upper stirring blade 11 rotate in opposite directions.

Go up the interval H1 scope between stirring sword 11 and the lower stirring sword 26 between 2 millimeters to 9 millimeters, so, can avoid influencing the rotation of stirring sword 11 because of arbor 15 is too long to can make and go up stirring sword 11 and eat material full contact, it is better to smash the effect, simultaneously, can avoid influencing the washing because of the interval between last stirring sword 11 and the lower stirring sword 26 is too little.

Preferably, the distance H1 between the upper stirring blade 11 and the lower stirring blade 26 ranges from 3.5 mm to 5 mm. The distance H1 between the upper stirring blade 11 and the lower stirring blade 26 may be 3.5 mm, 4 mm, 4.5 mm, 5 mm or some value between any two adjacent to the above.

The lower stirring blade 26 may have the same or different rotation speed from the upper stirring blade 11. In some preferred embodiments, the ratio of the rotation speeds of the upper stirring blade 11 and the lower stirring blade 26 ranges from 2 to 5. For example, the ratio of the rotation speeds of the upper stirring blade 11 and the lower stirring blade 26 is 4, but not limited thereto.

The transmission box comprises a mounting seat 16, a transmission gear 21 fixed on the cutter shaft 15, a driven gear 22 meshed with the transmission gear 21 and a cutter seat 24, the mounting seat 16 is matched and fixed with the chassis 10, the driven gear 22 is mounted on the mounting seat 16 through a gear shaft 23, the cutter seat 24 comprises an inner gear ring 25 meshed with the driven gear 22, and the lower stirring cutter 26 is fixed on the cutter seat 24. At cooking machine 500 during operation, go up stirring sword 11 and rotate along with arbor 15 together, arbor 15 drives drive gear 21 rotates, drive gear 21 drive driven gear 22 rotates, makes driven gear 22 through with ring gear 25 cooperation, in order to drive blade holder 24 rotates to realize the rotation of stirring sword 26 down. In the illustrated embodiment, the upper stirring blade 11 and the lower stirring blade 26 rotate in opposite directions, but in other embodiments, the upper stirring blade 11 and the lower stirring blade 26 may rotate in the same direction through different transmission case structures.

In the illustrated embodiment, the transmission box includes 3 driven gears 22 engaged with the transmission gear 21, and the 3 driven gears 22 are uniformly distributed along the circumferential direction of the transmission gear 21, so that the tool apron 24 can be driven to rotate more stably and reliably. In other embodiments, the number of the transmission gears 21 may be 1, 2, 4, 5, etc., without being limited thereto.

A bearing 171 and an oil seal 172 are arranged between the tool holder 24 and the cutter shaft 15. The oil seal 172 is located above the bearing 171. The bearing 171 is arranged to enable relative rotation between the tool holder 24 and the cutter shaft 15, and the oil seal 172 is arranged to prevent lubricating oil between the tool holder and the cutter shaft from entering the stirring cup 310 and prevent liquid in the stirring cup 310 from entering between the tool holder and the cutter shaft.

The cutter shaft 15 is provided with a first step 151 for limiting the bearing 171. So, carry on spacingly through setting up first step 151 to bearing 171, can avoid bearing 171 to remove along upper and lower direction to make the structure more reliable and more stable.

The transmission case further comprises an outer cover 28, the outer cover 28 is matched and fixed with the mounting seat 16, and the outer cover 28 can limit the tool apron 24. Thus, the tool holder 24 can be limited by the outer cover 28, and play of the tool holder 24 in the vertical direction is avoided.

The outer cover 28 and the mounting seat 16 are fixed together by a thread or welding manner, and a seal is formed between the outer cover and the mounting seat 16 by a seal ring 281. In the illustrated embodiment, the cover 28 and the mount 16 are threadably secured together. In this embodiment, the outer diameter of the cover 28 is the diameter of the transmission case. In another embodiment, the outer cover 28 is provided with external threads, the mounting base 16 is provided with internal threads, and the outer diameter of the mounting base 16 is the diameter of the transmission case. The above are only some examples and are not limited to the above examples.

A bearing 171 and an oil seal 172 are arranged between the outer cover 28 and the tool holder 24. The oil seal 172 is disposed above the bearing 171. In this way, by providing the bearing 171, the tool holder 24 can rotate relative to the outer cover 28, and by providing the oil seal 172, the lubricating oil between the outer cover 28 and the tool holder 24 can be prevented from entering the stirring cup 310, and the liquid in the stirring cup 310 can be prevented from entering therebetween.

The holder 24 further includes a body 29 disposed on the ring gear 25, the body 29 includes a first mating surface 291 and a second mating surface 292, the bearing 171 is mated with the first mating surface 291, and the oil seal 172 is mated with the second mating surface 292. In this manner, by providing the first engagement surface 291 and the second engagement surface 292, it is possible to form a good engagement with the bearing 171 and the oil seal 172, respectively.

The top end of the tool apron 24 is further provided with a mounting surface 248 and a rotation preventing part 249 protruding out of the mounting surface 248, the lower stirring blade 26 is fixed on the mounting surface 248, and the lower stirring blade 26 is provided with a through hole 261 matched with the rotation preventing part 249. The lower stirring blade 26 may be fixed to the mounting surface 248 by welding, caulking, or the like. In this way, the rotation prevention portion 249 prevents the lower stirring blade 26 from rotating relative to the blade holder 24. The rotation preventing portion 249 is non-circular, such as polygonal, and the through hole 261 is shaped to match the rotation preventing portion 249.

In the illustrated embodiment, the mounting base 16 includes a bottom wall 161 and a side wall 162 extending upward from the periphery of the bottom wall 161, the outer cover 28 is provided with an internal thread, and the side wall 162 is provided with an external thread matching the internal thread. In this manner, the cover 28 and the mount 16 can be easily mounted together. In this embodiment, the outer diameter of the cover 28 is the diameter of the transmission case. In another embodiment, the outer cover 28 is provided with external threads, the side wall 162 is provided with internal threads, and the outer diameter of the mounting block 16 is the diameter of the transmission case. The above are only some examples and are not limited to the above examples.

The gear shaft 23 is fixed to the bottom wall 161. In the illustrated embodiment, 3 of the gear shafts 23 can be fixed to the bottom wall 161 by welding or the like. Bearings (not shown) are provided between the driven gears 22 and the corresponding gear shafts 23. The side wall 162 surrounds the driving gear 21, the driven gear 22 and the ring gear 25.

The bottom wall 161 is pressed against the chassis 10, and a seat body sealing ring 165 is arranged between the bottom wall 161 and the chassis 10. In this manner, a seal is formed between the mounting block 16 and the base plate 10 to prevent liquid in the blending cup 310 from entering the blending blade assembly 100.

The mounting base 16 includes a shaft sleeve 163 penetrating through the chassis 10, and a bearing 171 is disposed between the shaft sleeve 163 and the knife shaft 15. In this way, the cutter shaft 15 can rotate relative to the mounting base 16. In the illustrated embodiment, the bottom wall 161, the side wall 162, and the boss 163 are of unitary construction.

The cutter shaft 15 is provided with a second step 152 for limiting the bearing 171. So, carry on spacingly through setting up second step 152 to bearing 171, can avoid bearing 171 to remove along upper and lower direction to make the structure more reliable and more stable.

The chassis 10 is provided with a heating element 18. The base plate 10 is made of metal, and the heating element 18 is arranged on the bottom surface of the base plate 10. In this way, by providing the heating member 18, the food material in the stirring cup 310 can be heated, and the heating function can be realized. The heating element 18 may be a heating plate or a heating tube, etc.

The stirring cutter blade assembly 100 further comprises a bottom cover 19 and a sleeve body 191, wherein the sleeve body 191 penetrates through the bottom cover 19 to be matched with the shaft sleeve 163, so that the bottom plate 10 and the bottom cover 19 are installed together. Thus, the chassis 10 and the bottom cover 19 can be easily mounted together with good sealability. An accommodating space 195 is formed between the chassis 10 and the bottom cover 19, and electronic components such as fuses, temperature controllers, wires and the like can be accommodated in the accommodating space 195. The bottom cover 19 is further provided with an upper coupler electrically connected to the heating member 18, the upper coupler being adapted to be mated with a lower coupler provided to the main body 400.

The transmission box is located above the chassis 10. When the blending blade assembly 100 is mounted to the blending cup 310, the gear box is located inside the blending cup 310. So, at cooking machine 500 course of operation, liquid and/or solid edible material can submerge the transmission case to effectively reduce the noise of transmission case. In addition, the transmission case is far away from the heating member 18, which is beneficial to improving the service life of the transmission case.

The height of the transmission case ranges between 20 mm and 30 mm. Therefore, the upper stirring blade 11 and the lower stirring blade 26 can stir and crush food materials well, and gaps between the upper stirring blade 11 and the bottom plate 10 and gaps between the lower stirring blade 26 and the bottom plate 10 can be cleaned well. The height of the gear box may be 20 mm, 25 mm, 30 mm or some value between any two adjacent.

The outer diameter of the lower stirring blade 26 is smaller than the diameter of the base plate 10. The outer diameter of the lower stirring blade 26 is an outer diameter of the lower stirring blade 26 when it is spread out in a planar state. In this way, the lower stirring blade 26 is prevented from being oversized to interfere with the stirring cup 310.

The ratio of the outer diameter H5 of the lower stirring blade 26 to the diameter H3 of the bottom disk 10 ranges from 0.7 to 0.99. Thus, the lower stirring blade 26 has better stirring and pulverizing effects. In some embodiments, the ratio of the outer diameter of the lower stirring blade 26 to the diameter of the base pan 10 can be 0.7, 075, 0.8, 0.85, 0.9, 0.95, 0.99, or any value therebetween.

The outer diameter H4 of the upper stirring knife 11 is smaller than or equal to the outer diameter H5 of the lower stirring knife 26, and the outer diameter of the upper stirring knife 11 is larger than the diameter of the transmission case. Thus, the upper stirring blade 11 and the lower stirring blade 26 can form better matching, so that the crushing effect is better.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A stirring cutter head assembly which is characterized in that: the stirring cutter head assembly comprises:

a chassis (10);

the cutter shaft (15) penetrates through the chassis (10), and an upper stirring cutter (11) is fixed at the upper end of the cutter shaft (15); and

the transmission case is arranged on the chassis (10), is provided with a lower stirring knife (26) and can drive the lower stirring knife (26) to rotate;

wherein the ratio of the diameter of the transmission case to the diameter of the chassis (10) is between 0.4 and 0.9.

2. A blending cutter head assembly according to claim 1, wherein: the transmission case includes mount pad (16), be fixed in drive gear (21) of arbor (15), with driven gear (22) and blade holder (24) of drive gear (21) meshing, mount pad (16) with chassis (10) cooperation is fixed, driven gear (22) pass through gear shaft (23) install in mount pad (16), blade holder (24) including with driven gear (22) meshing's ring gear (25), down stir sword (26) and be fixed in blade holder (24).

3. A blending cutter head assembly according to claim 2, wherein: and a bearing (171) and an oil seal (172) are arranged between the tool apron (24) and the cutter shaft (15).

4. A blending cutter head assembly according to claim 3, wherein: the cutter shaft (15) is provided with a first step (151) for limiting the bearing (171).

5. A blending cutter head assembly according to claim 2, wherein: the transmission case also comprises an outer cover (28), the outer cover (28) is matched and fixed with the mounting seat (16), and the outer cover (28) can limit the cutter holder (24).

6. The blending blade assembly of claim 5, wherein: and a bearing (171) and an oil seal (172) are arranged between the outer cover (28) and the tool apron (24).

7. The blending blade assembly of claim 5, wherein: the outer cover (28) and the mounting seat (16) are fixed together in a threaded or welding mode, and a seal is formed between the outer cover and the mounting seat (16) through a seal ring (281).

8. The blending blade assembly of claim 6, wherein: the tool apron (24) further comprises a body part (29) arranged on the inner gear ring (25), the body part (29) comprises a first matching surface (291) and a second matching surface (292), the bearing (171) is matched with the first matching surface (291), and the oil seal (172) is matched with the second matching surface (292).

9. A blending cutter head assembly according to claim 8, wherein: the top end of the tool apron (24) is further provided with a mounting surface (248) and an anti-rotation part (249) protruding out of the mounting surface (248), the lower stirring tool (26) is fixed on the mounting surface (248), and the lower stirring tool (26) is provided with a through hole (261) matched with the anti-rotation part (249).

10. The blending blade assembly of claim 5, wherein: the mount pad (16) include diapire (161) and certainly diapire (161) periphery is upwards extended lateral wall (162) that form, enclosing cover (28) are equipped with the internal thread, lateral wall (162) be equipped with internal thread complex external screw thread.

11. A blending cutter head assembly according to claim 10, wherein: the gear shaft (23) is fixed to the bottom wall (161).

12. A blending cutter head assembly according to claim 10, wherein: the bottom wall (161) is pressed against the chassis (10), and a seat body sealing ring (165) is arranged between the bottom wall (161) and the chassis (10).

13. A blending cutter head assembly according to claim 2, wherein: the mounting seat (16) further comprises a shaft sleeve (163) penetrating through the chassis (10), and a bearing (171) is arranged between the shaft sleeve (163) and the cutter shaft (15).

14. A blending cutter head assembly according to claim 13, wherein: the cutter shaft (15) is provided with a second step (152) for limiting the bearing (171).

15. A blending cutter head assembly according to claim 13, wherein: the stirring cutter head assembly also comprises a bottom cover (19) and a sleeve body (191), wherein the sleeve body (191) penetrates through the bottom cover (19) to be matched with the shaft sleeve (163), so that the bottom plate (10) and the bottom cover (19) are installed together.

16. A blending cutter head assembly according to claim 1, wherein: the chassis (10) is provided with a heating element (18).

17. A blending blade assembly according to any of claims 1 to 16, wherein: the transmission case is positioned above the chassis (10).

18. A blending cutter head assembly according to claim 17, wherein: the height of the transmission case ranges between 20 mm and 30 mm.

19. A blending blade assembly according to any of claims 1 to 16, wherein: the distance between the upper stirring knife (11) and the lower stirring knife (26) ranges from 2 mm to 9 mm.

20. A blending cutter head assembly according to claim 19 wherein: the distance between the upper stirring knife (11) and the lower stirring knife (26) ranges from 3.5 mm to 5 mm.

21. A blending blade assembly according to any of claims 1 to 16, wherein: the outer diameter of the lower stirring knife (26) is smaller than the diameter of the chassis (10).

22. A blending cutter head assembly according to claim 21, wherein: the ratio of the outer diameter of the lower stirring blade (26) to the diameter of the chassis (10) ranges from 0.7 to 0.99.

23. A blending cutter head assembly according to claim 21, wherein: the outer diameter of the upper stirring knife (11) is smaller than or equal to that of the lower stirring knife (26), and the outer diameter of the upper stirring knife (11) is larger than the diameter of the transmission case.

24. A cooking machine, its characterized in that: it includes:

a blending cup assembly (300) comprising a blending cup (310) and a blending blade assembly according to any of claims 1 to 23 mounted to the bottom of the blending cup (310); and

the cup cover assembly (200) is covered on the stirring cup assembly (300).

25. The food processor of claim 24, wherein: the transmission case is positioned in the stirring cup (310).

26. The food processor of claim 24, wherein: the stirring cutter disc assembly is detachably mounted at the bottom of the stirring cup (310), or the stirring cutter disc assembly is non-detachably mounted at the bottom of the stirring cup (310).