CN110772135A

CN110772135A - Food processor

Info

Publication number: CN110772135A
Application number: CN201810859656.7A
Authority: CN
Inventors: 杨长胜
Original assignee: Guangdong Midea Consumer Electric Manufacturing Co Ltd
Current assignee: Guangdong Midea Consumer Electric Manufacturing Co Ltd; Guangdong Midea Life Electric Manufacturing Co Ltd
Priority date: 2018-07-31
Filing date: 2018-07-31
Publication date: 2020-02-11

Abstract

The invention discloses a food processor, which comprises a stirring cup assembly and a base assembly, wherein the stirring cup assembly comprises a cup body and a cutter assembly connected to the cup body; when the stirring cup assembly is arranged on the base assembly, the rotor assembly is inserted into the stator assembly, and in a power-on state, the stator assembly generates magnetism and drives the rotor assembly to drive the cutter shaft to rotate through magnetic force. The production and manufacturing cost of the food processor is reduced.

Description

Food processor

Technical Field

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

Background

At present most cooking machine is direct to pass through shaft coupling and cutter unit fixed connection with the transmission shaft of motor, current cooking machine transmission mode for cooking machine's fuselage overall structure is higher, and the structure is comparatively complicated, and manufacturing cost is also higher.

Disclosure of Invention

The invention mainly aims to provide a food processor, aiming at simplifying the transmission structure of the food processor and reducing the production and manufacturing cost of the food processor.

In order to achieve the purpose, the food processor provided by the invention comprises a stirring cup assembly and a base assembly, wherein the stirring cup assembly comprises a cup body and a cutter assembly connected to the cup body, the outer wall of the cup body is fixedly connected with a handle, a cutter shaft of the cutter assembly is provided with a rotor assembly, and the base assembly is provided with a stator assembly;

when the stirring cup assembly is arranged on the base assembly, the rotor assembly is inserted into the stator assembly, and in a power-on state, the stator assembly generates magnetism and drives the rotor assembly to drive the cutter shaft to rotate through magnetic force.

Optionally, the stirring cup assembly further includes a cup chassis covering the lower end of the cup body, the cup chassis is recessed towards the base assembly to form an installation groove, a portion of the cutter assembly having the rotor assembly is inserted into the installation groove, the stator assembly is fixed to the upper portion of the base assembly, and when the stirring cup assembly is installed on the base assembly, a portion of the cup bottom plate forming the installation groove is inserted into the stator assembly to enable the rotor assembly and the stator assembly to be in magnetic transmission connection.

Optionally, the cutter assembly includes a supporting sleeve having an open-ended cylindrical structure at one end and a cutter holder covering an opening of the supporting sleeve, the cutter shaft passes through the cutter holder and extends into the supporting sleeve, and the rotor assembly is accommodated in the supporting sleeve and fixedly sleeved outside the cutter shaft.

Optionally, the cup chassis is expanded outwards at the opening periphery of the mounting groove to form a positioning groove, and the tool apron and the periphery of the support sleeve are embedded into the positioning groove and form clearance fit with the positioning groove.

Optionally, a waterproof sealing ring is clamped between the tool apron and the support sleeve.

Optionally, a handle is detachably connected to one end of the cutter shaft exposed out of the support sleeve.

Optionally, the stirring cup subassembly still includes the cup chassis, the cup chassis with the lower end cover of cup closes, the cup chassis extends to frame subassembly direction and is formed with the mounting groove, cutter unit has the part of rotor subassembly inserts in the mounting groove, the cup chassis with one of the two of cutter unit is provided with the magnet, and another of the two is provided with magnetism and inhales the body, cutter unit pass through the magnet with magnetism connection of magnetism is adsorbed in the cup chassis.

Optionally, the stirring cup subassembly still include the cup and the closing cap in the cup chassis of cup lower extreme, the cup chassis to the sunken mounting groove that forms of frame subassembly direction, cutter unit has the part of rotor subassembly inserts in the mounting groove, food processor is still including being fixed in the heat conduction aluminum plate of cup chassis lower surface with be fixed in the heating tube, temperature control sensor, bottom temperature sensor, fuse and the earth connection of heat conduction aluminum plate lower surface, heat conduction aluminum plate encircles the mounting groove sets up, temperature control sensor, bottom temperature sensor, fuse and earth connection interval set up the outside of heating tube.

Optionally, the stator assembly includes a stator core in an annular structure, the stator core is wound with a plurality of groups of stator windings, the rotor assembly includes a connecting shaft bracket fixedly connected with the cutter shaft and a plurality of permanent magnets fixed on the connecting shaft bracket, the rotor assembly is inserted into the inner side of the stator core, and one of the permanent magnets corresponds to one of the stator windings.

Optionally, stator module is still including being the tube-shape and one end is equipped with open bracket component, stator core accept in the bracket component, the frame subassembly includes the casing, casing upper portion is formed with the spacing groove and encircles a plurality of mounting holes of spacing groove, the bracket component outer wall is provided with a plurality of engaging lugs along the circumference interval, the connecting piece pass the engaging lug and with the mounting hole be connected with bracket component fixed connection in the casing.

Optionally, the bracket component including being the tube-shape and one end is equipped with open fixed bolster, with the fixed bolster can be dismantled to connect and the lid fits uncovered department's annular end cover, the fixed bolster with a plurality of location breachs have all been seted up to annular end cover, the protruding location muscle that sets up in a plurality of intervals that is equipped with of stator core outer wall, each the one end card of location muscle is gone into a location breach on the annular end cover, other end card is gone into a location breach on the fixed bolster.

According to the technical scheme, the rotor assembly is fixed on the cutter shaft of the cutter assembly, the stator assembly is arranged in the machine base assembly, under the power-on condition, the stator assembly becomes an electromagnet when having magnetism, and the stator assembly drives the rotor assembly through magnetic force so that the cutter shaft rotates.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a food processor according to an embodiment of the present invention;

FIG. 2 is an exploded view of the food processor of FIG. 1;

FIG. 3 is a schematic view of the assembled structure of the cutter assembly and the rotor assembly of the food processor of FIG. 1;

FIG. 4 is an exploded view of the structure of FIG. 3;

fig. 5 is an exploded view of the housing assembly and stator assembly of the food processor of fig. 1.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The present invention provides a food processor 100.

Referring to fig. 1 to 3, in the embodiment of the present invention, the food processor 100 includes a stirring cup assembly 10 and a base assembly 30, the stirring cup assembly 10 includes a cup body 11 and a cutter assembly 13 detachably connected to the cup body 11, a handle (not labeled) is fixedly connected to an outer wall of the cup body 11, a rotor assembly 50 is installed on a cutter shaft 131 of the cutter assembly 13, and a stator assembly 70 is installed on the base assembly 30; when the stirring cup assembly 10 is installed on the base assembly 30, the rotor assembly 50 is inserted into the stator assembly 70, and in the power-on state, the stator assembly 70 generates magnetism and drives the rotor assembly 50 to drive the cutter shaft 131 to rotate through magnetic force.

According to the technical scheme, the rotor assembly 50 is fixed on the cutter shaft 131 of the cutter assembly 13, the stator assembly 70 is arranged in the machine base assembly 30, under the power-on condition, the stator assembly 70 becomes an electromagnet due to magnetism, and the stator assembly 70 drives the rotor assembly 50 through magnetic force, so that the cutter shaft 131 rotates, therefore, the cutter shaft 13 of the food processor 100 is connected with the rotor assembly 50 and is not directly and fixedly connected with a motor through a coupler, the whole height of the food processor 100 is reduced due to the fact that coupler parts are omitted in the height, and the production and manufacturing cost of the food processor is reduced due to the fact that the motor and the coupler parts for driving a stirring knife of a traditional food processor are omitted.

This application food processor 100 can be broken wall machine, soybean milk machine, juice extractor, small household appliances products such as mixer, and wherein cup 11 is as the container that the splendid attire was eaten material, and cutter unit 13 sets up in cup 11 to cutter unit 13 is rotatory and then smashes the edible material in the cup 11 under the drive of stator module 70 of frame subassembly 30, and wherein cutter unit 13 can dismantle with cup 11 and be connected and can understand: the lower end of cup 11 is sealed and cutter assembly 13 may be placed within cup 11 and removed from cup 11 if cleaning is desired. This application structure in base subassembly 30 is different from current food processor 100, it is used for driving the rotatory beating driving motor of arbor 131 not to be provided with, but be provided with stator subassembly 70, stator subassembly 70's structure can refer to the stator subassembly's of motor structural style, can understand, still be provided with main control board (not marking) in the base subassembly 30, the main control board is connected with power plug, under the circumstances of power plug circular telegram, main control board control stator subassembly 70 connects when the electricity switches on, stator subassembly 70 becomes the electro-magnet, and produce magnetism and rotatory through magnetic force drive arbor 131.

Specifically, the blender cup assembly 10 further comprises a cup bottom plate 15 covering the lower end of the cup body 11, the cup bottom plate 15 is recessed towards the base assembly 30 to form an installation groove 151, the portion of the cutter assembly 13 having the rotor assembly is inserted into the installation groove 151, the stator assembly 70 is fixed on the upper portion of the base assembly 30, and when the blender cup assembly 10 is installed on the base assembly 30, the portion of the cup bottom plate 15 forming the installation groove 151 is inserted into the stator assembly 70 to magnetically connect the rotor assembly 50 and the stator assembly 70.

According to the technical scheme of the invention, the cutter assembly 13 is detachably connected to the cup body 11, the rotor assembly 50 is fixed on the cutter shaft 131 of the cutter assembly 13, the stator assembly 70 is arranged in the base assembly 30, under the power-on condition, the stator assembly 70 has magnetism and becomes an electromagnet, the stator assembly 70 drives the rotor assembly 50 through magnetic force, so that the cutter shaft 131 rotates, therefore, in the using process of the food processor 100, after the food material is stirred, when the stirring cup assembly 10 needs to be cleaned, the cutter assembly 13 can be directly taken out of the cup body 11, in the cleaning process, the phenomenon of food material residue caused by the cleaning dead angle (the former cutter assembly 13 is fixed at the bottom of the cup body 11, the space between the cutter assembly 13 and the side wall of the cup body 11 is narrow) is not easy to occur, the cleaning is cleaner and more convenient to use, and the cutter shaft 131 of the, the cutter assembly 13 is not directly fixedly connected with the motor, and is detachably mounted in the cup body 11 and is in a shaftless transmission structure, so that the possibility of leakage of food materials from the cutter shaft 131 can be avoided. It is understood that the cutter assembly 13 of the present application may also be fixedly connected to the cup bottom plate 15, so that when the stirring cup assembly 10 is held by a handle, the mover assembly 50 on the knife shaft 131 can be separated from the base assembly 30 together with the stirring cup assembly 10, and the cutter assembly 13 is preferably detachably connected to the cup body 11.

In addition, current carry out the rotatory food processor 100 of drive arbor 131 through driving motor, the shaft coupling is installed to driving motor's arbor 131, the shaft coupling is also installed to arbor 131, coupling fixed connection through two upper and lower shaft couplings realizes that the motor directly drives arbor 131 rotatory, so at arbor 131 rotatory in-process, the axiality of the axis in the axis and the motor of arbor 131 can't obtain guaranteeing under the condition through the shaft coupling switching, this application then arbor 131 directly carries out magnetic coupling through rotor subassembly 50 and stator module 70 and connects, and there is not the switching process, so the axiality in the rotatory in-process of drive arbor 131 can be very promoted, then arbor 131 rotatory in-process efficiency is higher, the structure is more firm.

This application stirring cup subassembly 10 structure is still including cup 17, and the lower extreme of cup 17 and cup 11 is threaded connection, and the periphery of cup chassis 15 is held fixedly by cup 17 and cup 11 to it has the sealing washer still to hold between cup chassis 15 and the cup 11. The sealing ring can be made of silica gel, the cup bottom disc 15 is made of metal and non-magnetic material, the cup bottom disc 15 seals the lower end of the cup body 11 on one hand, and provides support for installing the cutter component 13 on the other hand, the food processor 100 can also be a food processor 100 with a heating function, certainly, the food processor 100 is also applicable without the heating function, when the food processor has the heating function, the heating mode can be a resistance heating mode or other heating modes, the invention is preferably a resistance heating mode, specifically, the food processor 100 further comprises a heat-conducting aluminum plate fixed on the lower surface of the cup bottom disc 15, a heating pipe 155 fixed on the lower surface of the heat-conducting aluminum plate, a temperature control sensor, a bottom water temperature sensor, a fuse and a grounding wire, the heat-conducting aluminum plate is arranged around the installation groove 151, the temperature control sensor, the bottom water temperature, And the ground line is provided at intervals outside the heat generating tube 155 (only the heat generating tube 155 is shown in the drawing). When the food in the cup body 11 is heated, the heating device disposed below the cup bottom plate 15 transfers heat to the food in the cup body 11 by using the cup bottom plate 15 as a heat transfer medium. This application forms mounting groove 151 at bottom of cup dish 15, cutter unit 13 is embedded into mounting groove 151, cutter unit 13 is connected for dismantling with cup 11, and stator module 70 installs the upper portion at frame subassembly 30, when the installation, bottom of cup dish 15 forms in stator module 70 the part of mounting groove 151 inserts in, the design of mounting groove 151 for cutter unit 13 obtains fixed spacing in week, so cutter unit 13 operation in-process is difficult for producing and rocks. The significance of such a design structure is that, compared to the conventional food processor 100 in which the driving motor directly drives the knife shaft 131 to rotate, the food processor 100 of the present application has a simplified driving structure, and thus the height of the entire food processor 100 in the axial direction is reduced.

Referring to fig. 4, the cutter assembly 13 includes a supporting sleeve 135 having a cylindrical structure with an open end and a sealing cover, the cutter seat 133 is disposed at the open end of the supporting sleeve 135, the cutter shaft 131 passes through the cutter seat 133 and extends into the supporting sleeve 135, and the rotor assembly 50 is accommodated in the supporting sleeve 135 and fixedly sleeved outside the cutter shaft 131.

This application blade holder 133 is the metal material, can make through die-casting mode production. A limiting cylinder structure is further formed on a side of the tool post 133 facing the base assembly 30, and the tool assembly 13 further includes a bearing 1361 in the support sleeve 135 for reducing friction during the rotation of the arbor 131, the bearing 1361 is fixedly mounted in the limiting cylinder structure and is fixedly sleeved outside the arbor 131, preferably, the bearing 1361 is a ball bearing. The part of arbor 131 outside supporting sleeve 135 is fixed with blade 137, wherein blade 137 can be with arbor 131 integrated into one piece, welded fastening, or the components of a whole that can function independently setting, and in order to promote the convenience that cutter subassembly 13 in the use was taken out or was installed in cup 11 by cup 11, this application exposes in supporting sleeve 135 one end detachable connection handle 139 at arbor 131, wherein can be at the tip of arbor 131 offered the screw hole, the tip of handle 139 is provided with the screw thread section, handle 139 and arbor 131 threaded connection. It will be appreciated that the tool assembly 13 is further provided with oil seals, such as knife shaft seals 1362 (see fig. 3 and 4), etc., within the support sleeve 135 and/or within the restraining cylinder structure for sealing the portion of the knife shaft 131 passing through the knife block 133, which will not be described in detail herein. This application is through setting up the rotor subassembly in supporting cover 135, and the rotor subassembly can be placed in cup 11 and protected can not be eroded by eating material liquid with cutter unit 13 together from this, and life is longer.

Because the stator assembly 70 and the rotor assembly 50 form a structure similar to a motor, the support sleeve 135 is located between the two, the support sleeve 135 is made of a non-magnetic material, such as aluminum alloy or ceramic, the support sleeve 135 is provided with a connecting flange (not labeled) at an opening thereof, the periphery of the tool apron 133 is also provided with a connecting edge (not labeled), the support sleeve 135 and the tool apron 133 are fixedly connected with screws or bolts through holes on the connecting flange and the connecting edge in a matching manner, and a waterproof sealing ring 134 is clamped between the support sleeve 135 and the tool apron 133, wherein the cross-sectional shape of the waterproof sealing ring 134 is set to be L-shaped, part of the material of the waterproof sealing ring 134 is clamped between the limiting cylinder structure and the inner wall of the support sleeve 135, the other part of the material of the waterproof sealing ring 134 is clamped between the connecting flange and the connecting edge, so that the tool apron 133 and the support sleeve 135 have waterproof sealing design in the radial direction and the, the waterproof capability is greatly improved.

From the above, it can be understood that, the coaxiality of the cutter shaft 131 in the rotating process is high due to the design that the stator assembly 70 and the rotor assembly 50 are matched for transmission, the operation is stable, furthermore, the cup bottom plate 15 is provided with the mounting groove 151 to ensure that the cutter assembly 13 is not easy to shake in the rotating process, the opening periphery of the mounting groove 151 is outwards expanded to form the positioning groove 153, and the cutter holder 133 and the periphery of the support sleeve 135 are embedded into the positioning groove 153 and are in clearance fit with the positioning groove 153. The connecting flanges (not shown) on the supporting sleeve 135 and the connecting edges of the tool holder 133 are located on the periphery of the structure of the supporting sleeve 135, and the connecting flanges (not shown) on the supporting sleeve 135 and the connecting edges of the tool holder 133 are embedded into the positioning grooves 153, so that the structure is firmer through two-stage limiting. Further, in order to improve the stability of cutter assembly 13 in the operation process, flywheel 138 is fixed to the part that this application still lies in supporting sleeve 135 at arbor 131, and flywheel 138's design makes arbor 131 rotatory in-process, is fixed with under the condition of a plurality of blades 137 in arbor 131 upper end, and the lower extreme atress is comparatively balanced, and the light and wobbling condition of head heavy foot can not appear during so rotatory, then can further promote the axiality of rotatory in-process arbor 131 and drive structure, and rotatory effect is better. Further, this application still is provided with location shaft hole (not marked) at the lower extreme inner wall of support cover 135, and the tip that arbor 131 stretched into the part in support cover 135 stretches into in the location shaft hole, and this structural design combines flywheel 138's design again for the stability of arbor 131 operation is higher, and also difficult the condition that arbor 131 upwards drunkenness appears in rotatory in-process.

This application cutter unit spare 13 is for dismantling, washing after the use for whole stirring cup subassembly 10 provides very big facility, and in order to prevent to empty the edible material in-process in cup 11, cutter unit spare 13 is by unexpected roll-off in mounting groove 151 and cause the condition of user's potential safety hazard, this application is provided with the magnet at one of cup chassis 15 and cutter unit spare 13 two, another of the two is provided with the magnetism and inhales the body, cutter unit spare 13 adsorbs in cup chassis 15 through the magnetism connection of magnet and magnetism. Specifically, the magnet and the permanent magnet may be any magnetic adsorption combination of a permanent magnet and an iron plate, and in this application, a magnetic material, such as an iron block or a permanent magnet, may be fixed at the bottom of the support sleeve 135, and a permanent magnet may be fixed at the cup base plate 15, wherein the iron block or the permanent magnet on the support sleeve 135 may be fixed at the outer wall surface or the inner wall surface, and the permanent magnet on the cup base plate 15 may be fixed at the inner wall surface or the outer wall surface of the mounting groove 151, and through adsorption of the magnet and the permanent magnet, the tool assembly 13 may be prevented from slipping out from the mounting groove 151 to the greatest.

Referring to fig. 1 to 5, in detail, the stator assembly 70 includes a stator core 71 having an annular structure, the stator core being wound with a plurality of sets of stator windings (not shown), the rotor assembly 50 includes a shaft bracket (not shown) fixedly connected to the cutter shaft 131, and a plurality of permanent magnets (not shown) fixed to the shaft bracket, the rotor assembly 50 is inserted into the stator core 71, and one of the permanent magnets corresponds to one of the stator windings. Stator assembly 70 is still including being the tube-shape and one end is equipped with open support subassembly (not marking), and stator core 71 is acceptd in the support subassembly, and frame subassembly 30 includes casing 31, and casing 31 upper portion is formed with spacing groove 311 and encircles a plurality of mounting hole 313 of spacing groove 311, and the support subassembly outer wall is provided with a plurality of engaging lugs 751 along circumference interval, and the connecting piece passes engaging lug 751 and is connected with mounting hole 313 in order to be connected bracket component fixed connection in casing 31.

This application stator module 70 is still including insulating support 73, insulating support 73 fixed connection stator core 71, and the stator winding is twined on insulating support 73. The stator core 71 may be integrally die-cast or formed of a plurality of silicon steel sheets, and a plurality of magnetic yokes are formed on the inner side thereof, the insulating support 73 wraps the magnetic yokes, and the stator winding is wound on the insulating support 73 at a position corresponding to the magnetic yokes. The permanent magnet and stator winding corresponding structure can refer to the form of a motor, so as to realize the rotation of the cutter shaft 131, and the details are not repeated herein. The present application designs the stator assembly 70 to be detachably connected to the casing 31, so that the whole structure can be more conveniently assembled.

Furthermore, the bracket component is including being the tube-shape and one end is equipped with open fixed bolster 75, can dismantle with fixed bolster 75 and be connected and the annular end cover 77 that fits uncovered department, and a plurality of location breach 753 have all been seted up to fixed bolster 75 and annular end cover 77, and stator core 71 outer wall is protruding still to be equipped with the location muscle 711 that a plurality of intervals set up, each the one end card of location muscle 711 is gone into a location breach 753 on the annular end cover 77, the other end card is gone into a location breach 753 on the fixed bolster 75. Fixing support 75 and annular end cover 77 pass through bolted connection, specifically speaking, seted up the screw hole on annular end cover 77, also correspond on fixing support 75 and seted up the screw hole, through setting up of location breach 753 with location muscle 711 joint, the stator core 71 of this application adopts the mode of an organic whole structure, from this stator core 71 assembling process is more convenient, and the structure is more firm.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A food processor is characterized by comprising a stirring cup assembly and a base assembly, wherein the stirring cup assembly comprises a cup body and a cutter assembly connected to the cup body, the outer wall of the cup body is fixedly connected with a handle, a rotor assembly is installed on a cutter shaft of the cutter assembly, and a stator assembly is installed on the base assembly;

2. The food processor of claim 1, wherein the blending cup assembly further comprises a cup base plate covering the lower end of the cup body, the cup base plate is recessed toward the base assembly to form a mounting groove, the cutter assembly has a portion of the rotor assembly inserted into the mounting groove, the stator assembly is fixed to the upper portion of the base assembly, and when the blending cup assembly is mounted to the base assembly, the portion of the cup base plate forming the mounting groove is inserted into the stator assembly to magnetically couple the rotor assembly and the stator assembly.

3. The food processor as claimed in claim 2, wherein the cutter assembly includes a supporting sleeve having a cylindrical structure with an open end and a cutter seat covering the open end of the supporting sleeve, the cutter shaft passes through the cutter seat and extends into the supporting sleeve, and the rotor assembly is accommodated in the supporting sleeve and fixedly sleeved outside the cutter shaft.

4. The food processor as claimed in claim 3, wherein the cup base plate is formed with a positioning groove expanding outward from the opening periphery of the mounting groove, and the knife holder and the supporting sleeve are inserted into the positioning groove and form a clearance fit with the positioning groove.

5. The food processor as claimed in claim 3, wherein a waterproof sealing ring is further clamped between the tool holder and the support sleeve.

6. The food processor of claim 3, wherein a handle is detachably connected to an end of the knife shaft exposed from the support sleeve.

7. The food processor of claim 1, wherein the blending cup assembly further comprises a cup base plate, the cup base plate is covered with the lower end of the cup body, the cup base plate extends towards the base assembly to form a mounting groove, the portion of the cutter assembly having the rotor assembly is inserted into the mounting groove, one of the cup base plate and the cutter assembly is provided with a magnet, the other of the cup base plate and the cutter assembly is provided with a magnetic attraction body, and the cutter assembly is attracted to the cup base plate through the magnetic connection of the magnet and the magnetic attraction body.

8. The food processor of claim 1, wherein the blending cup assembly further comprises a cup body and a cup chassis covering the lower end of the cup body, the cup chassis is recessed towards the base assembly to form a mounting groove, the cutter assembly has a portion of the rotor assembly inserted into the mounting groove, the food processor further comprises a heat-conducting aluminum plate fixed on the lower surface of the cup chassis and a heating tube, a temperature control sensor, a bottom water temperature sensor, a fuse and a grounding wire fixed on the lower surface of the heat-conducting aluminum plate, the heat-conducting aluminum plate is arranged around the mounting groove, and the temperature control sensor, the bottom water temperature sensor, the fuse and the grounding wire are arranged outside the heating tube at intervals.

9. The food processor of any one of claims 1 to 8, wherein the stator assembly comprises a stator core having an annular structure, the stator core is wound with a plurality of sets of stator windings, the rotor assembly comprises a connecting shaft bracket fixedly connected with the cutter shaft, and a plurality of permanent magnets fixed on the connecting shaft bracket, the rotor assembly is inserted into the inner side of the stator core, and one of the permanent magnets corresponds to one of the stator windings.

10. The food processor of claim 9, wherein the stator assembly further comprises a cylindrical bracket assembly with an opening at one end, the stator core is accommodated in the bracket assembly, the base assembly comprises a housing, a limiting groove and a plurality of mounting holes surrounding the limiting groove are formed at the upper part of the housing, a plurality of connecting lugs are circumferentially arranged on the outer wall of the bracket assembly at intervals, and a connecting member passes through the connecting lugs and is connected with the mounting holes to fixedly connect the bracket assembly to the housing.

11. The food processor as claimed in claim 10, wherein the bracket assembly includes a fixing bracket having an opening at one end and a fixing end cover detachably connected to the fixing bracket and covering the opening, the fixing bracket and the fixing end cover are both provided with a plurality of positioning notches, the outer wall of the stator core is further provided with a plurality of positioning ribs protruding at intervals, one end of each positioning rib is clamped into a positioning notch on the fixing end cover, and the other end of each positioning rib is clamped into a positioning notch on the fixing bracket.