CN106308574B

CN106308574B - Food processor

Info

Publication number: CN106308574B
Application number: CN201510405262.0A
Authority: CN
Inventors: 应啸; 周忠建; 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: 2015-07-08
Filing date: 2015-07-08
Publication date: 2021-05-25
Anticipated expiration: 2035-07-08
Also published as: CN106308574A

Abstract

The invention provides a food processor. This cooking machine includes frame and the juicing mechanism of setting on the frame, and juicing mechanism includes: a separator including a mounting cavity; the mesh cylinder is arranged in the mounting cavity; the at least two screw rods are vertically arranged in the mesh cylinder and extend from the top end to the bottom end of the mesh cylinder, and two adjacent screw rods in the at least two screw rods are mutually meshed; the driving assembly is in driving connection with one of the two screw rods; the feeding cylinder is provided with a feeding channel, and the feeding channel is communicated with the mesh cylinder; the material pushing assembly comprises a material pushing cylinder and a material pushing rod, a material pushing cavity communicated with the bottom of the feeding channel is formed in the material pushing cylinder, and the material pushing rod can be inserted into the material pushing cavity to push food materials falling from the feeding channel. The food processor can push food materials in the feeding channel into meshes, and the squeezing effect of the food processor on food materials such as fruits and vegetables is effectively improved.

Description

Food processor

Technical Field

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

Background

The existing food processer adopts a single screw to carry out juicing treatment on fruit materials, and in the juicing process, the juicing treatment is carried out through the gradually-reduced flow guide channel on the single screw and the inner wall of the mesh cylinder. In the juicing mode, the minimum volume of the residue of the fruit materials is the size of the minimum width part of the flow guide channel, the juicing is not thorough enough, the juicing effect is poor, and the food materials with large volume are not easy to enter the mesh cylinder for squeezing.

Disclosure of Invention

The invention mainly aims to provide a food processor, and aims to solve the problems that the food processor in the prior art is poor in juicing effect and difficult to completely enter a mesh cylinder.

In order to achieve the above object, the present invention provides a food processor, including a base and a juice extracting mechanism disposed on the base, wherein the juice extracting mechanism includes: a separator including a mounting cavity; the mesh cylinder is arranged in the mounting cavity; the at least two screw rods are vertically arranged in the mesh cylinder and extend from the top end to the bottom end of the mesh cylinder, and two adjacent screw rods in the at least two screw rods are mutually meshed; the driving assembly is in driving connection with one of the two screw rods; the feeding cylinder is provided with a feeding channel, and the feeding channel is communicated with the mesh cylinder; the material pushing assembly comprises a material pushing cylinder and a material pushing rod, a material pushing cavity communicated with the bottom of the feeding channel is formed in the material pushing cylinder, and the material pushing rod can be inserted into the material pushing cavity to push food materials falling from the feeding channel.

Furthermore, the feeding cylinder extends along the height direction of the food processor, and the pushing cylinder is arranged obliquely to the feeding cylinder and extends from the bottom of the feeding cylinder to the direction far away from the machine base.

Further, the cooking machine still includes a section of thick bamboo of slagging tap and a mesh section of thick bamboo, and a feeding section of thick bamboo is located the bottom of a mesh section of thick bamboo with the intercommunication position of a mesh section of thick bamboo, and a section of thick bamboo of slagging tap and a mesh section of thick bamboo intercommunication, and the intercommunication position of a section of thick bamboo of slagging tap and a mesh section of thick bamboo is located the top of a mesh section of thick bamboo, and the screw thread on the screw rod is followed the direction of rotation of screw rod and is circled on the screw rod from being.

Further, the slag discharging barrel comprises a slag discharging channel, and the slag discharging channel extends towards the direction close to the base and is inclined to the axis of the mesh barrel.

Further, the aperture of the feed channel is in the range of 70mm to 90 mm.

Further, each screw comprises a first screw section and a second screw section, wherein the first screw section comprises a first rod body and a plurality of first thread strips which are coiled on the same area of the first rod body; the second screw section comprises a second rod body and a second thread strip coiled on the second rod body; the inclination of the first thread strip in the first rod body in a spiral mode is larger than the inclination of the second thread strip in the second rod body in the spiral mode.

Further, the width of the cross section of the first thread strip gradually narrows from the direction close to the first rod to the direction far away from the first rod.

Furthermore, the cross section of the second thread strip is rectangular or square, the second thread strip is wound on the second rod body to form a flow guide channel, and the width and the depth of the flow guide channel are not changed along the extension direction of the flow guide channel.

Further, each screw rod all includes one section first screw rod section and one section second screw rod section, and first screw rod section sets up the one end that is close to the feed cylinder at the mesh section of thick bamboo.

Furthermore, each screw comprises a first screw section and two second screw sections, and the two second screw sections are respectively butted at two ends of the first screw section.

Further, the mesh cylinder comprises a cylinder body and a filter screen arranged on the bottom surface or the side wall of the bottom of the cylinder body, the filter screen comprises at least one type of net piece, the aperture of each net piece is the same, the aperture of each net piece is different, and at least one type of net piece is integrally formed or detachably arranged on the bottom surface and the side wall of the bottom of the cylinder body.

Further, the bottom of the separator is provided with a juice outlet channel, and the bottom of the separator is provided with a slope inclined towards the juice outlet channel.

Further, the food processor also comprises a separator cover and a mesh cylinder cover, wherein the separator cover and the mesh cylinder cover are of an integrated structure or a split structure.

Further, the feed cylinder comprises a first feed cylinder section and a second feed cylinder section, the first feed cylinder section is mounted on the separator, and the second feed cylinder section is mounted on the mesh cylinder.

Further, a section of thick bamboo of slagging tap includes first section of thick bamboo section of slagging tap and second and slagging tap a section of thick bamboo, and first section of thick bamboo of slagging tap is installed on mesh cylinder, and the second section of thick bamboo of slagging tap is installed on the separator.

By applying the technical scheme, at least two mutually meshed screw rods are arranged in the mesh cylinder, and the material pushing assembly used for pushing the food materials is arranged, so that in the working process, the plurality of screw rods in the mesh cylinder are matched with each other to grind and squeeze the materials in the mesh cylinder together, and the food materials in the material pushing cylinder are pushed into the mesh cylinder ceaselessly through the material pushing rod, so that the squeezing effect of the food processor on the food materials such as fruits and vegetables is greatly improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 schematically shows a first cross-sectional view of the food processor of the present invention;

fig. 2 schematically shows a second cross-sectional view of the food processor of the present invention;

fig. 3 schematically illustrates an exploded view of the food processor of the present invention;

FIG. 4 schematically illustrates a first cross-sectional view of the separator of the present invention;

FIG. 5 schematically illustrates a second cross-sectional view of the separator of the present invention;

FIG. 6 schematically illustrates a front view of a first preferred screw of the present invention;

FIG. 7 schematically illustrates a front view of a second preferred screw of the present invention;

FIG. 8 is a perspective view schematically illustrating a second preferred screw of the present invention; and

fig. 9 is a schematic perspective view showing the structure of the feed cylinder and the slag discharge cylinder connected to the mesh cylinder of the present invention.

Wherein the figures include the following reference numerals:

10. a machine base; 20. a mesh cylinder; 21. a barrel; 22. filtering with a screen; 25. a mesh cylinder cover; 30. a screw; 31. a first screw section; 311. a first rod body; 312. a first threaded strip; 32. a second screw section; 321. a second rod body; 322. a second threaded strip; 40. a drive assembly; 41. a motor; 42. an output shaft of the motor; 50. a feeding cylinder; 51. a feed channel; 52. a first feed barrel section; 53. a second feed barrel section; 60. a slag discharge barrel; 61. a slag discharge passage; 62. a first tapping barrel section; 63. a second tapping barrel section; 70. a separator; 71. a juice outlet channel; 72. a bevel; 73. a separator cover; 74. a mounting cavity; 80. a material pushing assembly; 81. pushing the material barrel; 811. a material pushing cavity; 82. a material pushing rod; 90. food materials; 100. and (4) scraping slag strips.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 9, according to an embodiment of the present invention, a food processor is provided. The food processer in this application is preferably a screw extrusion juicer (also known as a juice extractor).

Referring to fig. 1 to 3, the food processor of the present embodiment includes a base 10 and a juice extracting mechanism. The juicing mechanism is mounted on the base 10 and is used for squeezing food materials 90 such as fruits and vegetables entering the juicing mechanism. The food processor is of a vertical structure.

The juicing mechanism in this embodiment comprises a separator 70, a mesh cylinder 20, two screws 30, a drive assembly 40, a feed cylinder 50 and a pusher assembly 80. Wherein, the separator 70 is provided with an installation cavity 74, the mesh cylinder 20 is installed in the installation cavity, the two screw rods 30 are vertically arranged in the mesh cylinder 20 and extend from the top end to the bottom end of the mesh cylinder 20, and the two screw rods 30 are mutually meshed (when more than three screw rods are arranged, two adjacent screw rods are mutually meshed); the driving assembly 40 is in driving connection with one of the two screw rods 30, and specifically, the driving assembly 40 includes a driving motor 41 and a motor output shaft 42, the motor 41 is in driving connection with the motor output shaft 42, and the motor output shaft 42 is in driving connection with one of the two screw rods 30. Two screws are selected for use in this embodiment, and three or more screws may be selected for use in other embodiments, and the specific working principle is similar and will not be described again. The feeding barrel 50 is provided with a feeding channel 51, the feeding channel 51 is communicated with the mesh barrel 20, the pushing assembly 80 comprises a pushing barrel 81 and a pushing rod 82, the pushing barrel 81 is provided with a pushing cavity 811 communicated with the bottom of the feeding channel 51, and the pushing rod 82 can be inserted into the pushing cavity 811 to push the food material 90 falling from the feeding channel 51 to the position of the screw 30 in the mesh barrel 20.

During operation, throw in eating material 90 to mesh section of thick bamboo 20 from feedstock channel 51 to in will pushing away the feed cylinder 81 through material pushing rod 82 and eat material 90 propelling movement to mesh section of thick bamboo 20 ceaselessly, prevent to eat material 90 and detain in feedstock channel 51 and cause the waste. The motor 41 of the driving assembly 40 rotates to drive the motor output shaft 42 to drive the screw 30 connected with the motor output shaft 42 to rotate, so as to drive the other screw 30 to rotate, and in the rotating process, the mutually meshed screws 30 can squeeze and grind fruits and vegetables entering the mesh cylinder 20, so that fresh juice is obtained.

Because be provided with two at least intermeshing's screw rods 30 in the mesh section of thick bamboo 20 in this embodiment to be provided with the material pushing component that is used for the propelling movement to eat material 90, at the in-process of work, many screw rods 30 in the mesh section of thick bamboo 20 grind and squeeze the material in the mesh section of thick bamboo 20 jointly through the cooperation each other, and will push away in the feed cylinder 81 through material pushing rod 82 and eat material 90 propelling movement to the mesh section of thick bamboo 20 ceaselessly, improved the effect of squeezing of eating material 90 such as fruit vegetables of the cooking machine of this embodiment greatly.

The food processor of this embodiment also includes a feed cylinder 50 and a tapping cylinder 60.

The feeding cylinder 50 extends along the height direction of the food processor, and the pushing cylinder 81 is arranged obliquely to the feeding cylinder 50 and extends from the bottom of the feeding cylinder 50 to the direction away from the machine base 10, so that the food material 90 in the feeding channel 51 can be completely pushed into the mesh cylinder 20. The feeding cylinder 50 is communicated with the mesh cylinder 20, the communication position of the feeding cylinder 50 and the mesh cylinder 20 is positioned at the bottom (or the top) of the mesh cylinder 20, the slag discharging cylinder 60 is communicated with the mesh cylinder 20, and the communication position of the slag discharging cylinder 60 and the mesh cylinder 20 is positioned at the top (or the bottom) of the mesh cylinder 20. According to the above structure, it can be known that, because the communicating position of the feeding cylinder 50 and the mesh cylinder 20 in the embodiment is located at the bottom of the mesh cylinder 20, and the communicating position of the slag discharging cylinder 60 and the mesh cylinder 20 is located at the top of the mesh cylinder 20, in the process of the food processor working, the fruit and vegetable and other food materials 90 enter from the bottom of the mesh cylinder 20, the residue is upwards conveyed to the top of the mesh cylinder 20 through the driving of the thread strips on the screw 30 after the extrusion and grinding of the screw 30, and the juice sinks to the bottom of the mesh cylinder 20, therefore, in the whole squeezing process, the juice and the residue can be effectively separated, and the separating effect of the residue and the juice of the food processor in the embodiment is effectively improved.

Preferably, the cross-section of the feeding channel 51 is circular, but other embodiments may also be oval or square, etc., the diameter of the circular cross-section being in the range of 70mm to 90mm, facilitating the passage of larger diameter fruit, such as apples, pears, etc. The cross section of the material pushing cavity 811 is preferably a square section, and other embodiments may also be a circle, an ellipse, or the like, and the side length of the square section is in the range of 10mm to 45 mm.

Correspondingly, the tapping cylinder 60 of the present embodiment includes a tapping channel 61, and the tapping channel 61 extends toward the machine base 10 and is inclined to the axis of the mesh cylinder 20 (i.e., inclined downward), so as to discharge the residue of the food material 90 such as fruits and vegetables.

According to foretell embodiment, the cooking machine in this embodiment is bottom feeding and go out juice, upper portion design of slagging tap, can effectively separate edible material 90's such as fruit vegetables juice with the residue, greatly reduced the residue rate in the juice.

Each screw 30 in this application all is perpendicular to frame 10, and the screw thread on each screw 30 all spirals on screw 30 from being close to frame 10 to the direction of keeping away from frame 10 along the direction of rotation of screw 30, and when drive assembly 40 drive screw 30 was rotatory, edible material 90 such as fruit vegetables was promoted along the spiral of screw thread under the rotation along screw 30, and then realized eating material 90's such as fruit vegetables squeezing and the transport of edible material 90's such as fruit vegetables residue. Preferably, the mesh cylinder 20 has a containing cavity matched with the structure formed by the two screws 30, so that the screws 30 and the inner wall of the containing cavity form an extrusion channel for extruding food materials 90 such as fruits and vegetables. This intercommunication position that holds chamber and feed cylinder 50 is located the meshing position department of two screw rods 30, and the during operation, edible material 90 such as fruit vegetables get into mesh section of thick bamboo 20 the time at first get into the position department of two screw rods 30 meshing, extrude through the meshing gap of two screw rods 30 and grind, are convenient for fully squeeze out the juice that edible material 90 such as fruit vegetables is rich in, improve the effect of squeezing of the cooking machine of this application.

Referring to fig. 3 to 4 and 9, the mesh cylinder 20 of the present application includes a cylinder body 21 and a strainer 22 disposed on a bottom side wall of the cylinder body 21 to facilitate the complete drainage of the juice in the mesh cylinder 20 to the outside of the mesh cylinder 20.

Referring to fig. 1 and 4, in a preferred embodiment of the present invention, the feed cylinder 50 includes a first feed cylinder section 52 and a second feed cylinder section 53, the first feed cylinder section 52 is mounted on the separator cover 73, and the second feed cylinder section 53 is mounted on the mesh cylinder 20, so as to facilitate the whole assembly and disassembly of the food processor.

A section of thick bamboo 60 of slagging tap includes first section of thick bamboo section 62 and the second section of thick bamboo section 63 of slagging tap, and first section of thick bamboo section 62 of slagging tap is installed on mesh cylinder 20, and second section of thick bamboo section 63 of slagging tap is installed on separator 70, further improves cooking machine's whole detachability.

Preferably, the filter screen 22 in this application includes at least one kind net piece, and the mesh aperture on every net piece is all the same, and the mesh aperture on various net pieces is unequal, and in the use, filter screen 22 detachably selects one to set up in the bottom of a mesh section of thick bamboo 20, and the user can select to use the net piece that the mesh aperture is different according to the demand to edible material 90 different tastes such as fruit vegetables, that is to say, the multiple net piece in this application sets up in the bottom of barrel 21 optionally. Other embodiments the screen may be integrally formed with the mesh cylinder.

In the embodiment of fig. 8, the bottom of each screw 30 is provided with the scum strip 100, and when the screw 30 rotates, the scum strip 100 scrapes the upper surface of the filter screen 22 along with the rotation of the screw 30, so as to avoid the blockage of the filter screen 22, and effectively improve the juice outlet efficiency of the food processor of the present embodiment.

Referring to fig. 1 and 2 again, the bottom of the separator 70 in the present application is provided with a juice outlet channel 71, when the juicing mechanism works, the juice of the food material 90 such as fruits and vegetables flows into the separator 70 from the bottom of the mesh cylinder 20, and then flows out from the juice outlet channel 71 for people to drink, and the structure is simple, and the processing and implementation are convenient. The bottom of the separator 70 has a slope 72 inclined toward the juice outlet passage 71, and by providing the slope 72, it is convenient to discharge the juice at the bottom of the separator 70 to the outside.

In an embodiment of the present invention, the food processor further comprises a separator cover 73 and a mesh cylinder cover 25, and the separator cover 73 and the mesh cylinder cover 25 are of an integral structure, so as to facilitate the integral assembly and disassembly. In another embodiment of the present invention, the separator cover 73 and the mesh cylinder cover 25 may be separate structures (see fig. 1 to 5), so as to facilitate the separate assembly and disassembly.

Referring collectively to fig. 6-8, each screw 30 in the present application includes a first screw section 31 and a second screw section 32. Other embodiments may include only one screw section.

Wherein the first screw section 31 comprises a first rod body 311 and a plurality of first screw strips 312 spiraling on the same region of the first rod body 311; the second screw section 32 comprises a second rod 321 and a second threaded strip 322 spiraled on the second rod 321. Because the first screw sections 31 are screwed with the first screw strips 312 in the same area, the distance between the first screw strips 312 is relatively small, so that a channel which is convenient for grinding and extruding food materials 90 such as fruits and vegetables is formed, the second screw sections 32 are only provided with the second screw strips 322, the channel formed on the second screw strips 322 is wide, the resistance is small, the fruits and vegetables are convenient to convey, and in the process of installing the screw 30 on the mesh cylinder 20, the screw 30 can be installed at different positions of the mesh cylinder 20 according to actual requirements. Through second screw rod section 32, can effectively improve arrange sediment efficiency of cooking machine, prevent that cooking machine from taking place blocking phenomenon.

Preferably, the width of the cross section of the first threaded strip 312 gradually narrows from the position close to the first rod 311 to the position far away from the first rod 311, and the outer edge of the first threaded strip 312 forms a sharp point, so that the food material 90 such as fruits and vegetables can be conveniently shredded for squeezing or grinding. In a preferred embodiment of the present invention, the cross-section of the first thread strip 312 has a triangular or trapezoidal structure. In other embodiments of the present invention, the cross section of the first threaded bar 312 may have other shapes, such as a wide bottom end and a narrow top end, where the bottom end is an end of the first threaded bar 312 close to the first rod 311, and the top end is an end far from the first rod 311.

Preferably, the cross section of the second thread strip 322 in this application is rectangular or square, does not have the cutting function generally, and mainly plays a guiding role, and at this time, the second thread strip 322 forms a flow guide channel in a spiral manner on the second rod body 321, and the width and the depth of the flow guide channel do not change along the extending direction of the flow guide channel, so that the smoothness of the flow guide channel is improved, and residues of food materials 90 such as fruits and vegetables can be conveniently conveyed.

Referring to fig. 7 and 8, in one embodiment of the invention, each screw 30 comprises only a first screw section 31 and a second screw section 32 which, when installed, the first screw section 31 is arranged at one end of the mesh cylinder 20 close to the feeding cylinder 50, so that when the food processor works, fruit materials are firstly contacted with the first screw section 31, then the food materials 90 such as fruits and vegetables are ground and extruded by the action of the first screw section 31 to prepare juice, after the fruits and vegetables are extruded to a certain extent, the fruits and vegetables are conveyed to the second screw section 32 along the extending direction of the second screw strips 322, the fruits and vegetables are extruded and ground to leave residues, at this time, the screw 30 continues to rotate, the residues enter the second screw section 32, through the action of the second screw section 32, the residue is rapidly conveyed to one end of the mesh cylinder 20 close to the slag discharge cylinder 60 and is discharged out of the food processor through the slag discharge channel 61.

Referring to fig. 6, in another embodiment of the present invention, each screw 30 comprises a first screw section 31 and two second screw sections 32, the two second screw sections 32 being respectively butted against both ends of the first screw section 31. In other embodiments of the invention, the screw 30 comprises at least two first screw sections 31 and at least two second screw sections 32, the first screw sections 31 and the second screw sections 32 being arranged alternately. In the use process, the user can press according to the concrete of cooking machine and the different screw rod 30 of transmission demand selection.

Referring to fig. 7 and 8, in the present application, the first thread strip 312 spirals on the first rod 311 with a greater inclination than the second thread strip 322 spirals on the second rod 321, and compared with the two screw sections, the first thread strip 312 is a thread strip suitable for cutting and transmission, and the second thread strip 322 is a thread strip suitable for transmission.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the food processor of this application squeezes effectually, is convenient for realize the separation of juice and residue, and work efficiency is high.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a food processor, includes frame (10) and sets up juicing mechanism on frame (10), its characterized in that, juicing mechanism includes:

a separator (70), the separator (70) including a mounting cavity (74);

a mesh cylinder (20), said mesh cylinder (20) mounted within said mounting cavity (74);

at least two screws (30), wherein the at least two screws (30) are vertically arranged in the mesh cylinder (20) and extend from the top end to the bottom end of the mesh cylinder (20), and two adjacent screws (30) in the at least two screws (30) are mutually meshed;

a drive assembly (40), wherein the drive assembly (40) is in drive connection with one of the two screw rods (30);

the feeding cylinder (50), a feeding channel (51) is arranged on the feeding cylinder (50), and the feeding channel (51) is communicated with the mesh cylinder (20);

the material pushing assembly (80) comprises a material pushing barrel (81) and a material pushing rod (82), a material pushing cavity (811) communicated with the bottom of the feeding channel (51) is formed in the material pushing barrel (81), and the material pushing rod (82) can be inserted into the material pushing cavity (811) to push food materials (90) falling from the feeding channel (51);

the cooking machine is still including a section of thick bamboo of slagging tap (60) and a mesh section of thick bamboo (20), a mesh section of thick bamboo (20) are in including barrel (21) and setting filter screen (22) on barrel (21) bottom surface or the bottom lateral wall, wherein, a mesh section of thick bamboo (20) have with the chamber that holds of the structure looks adaptation that two piece at least screw rods (30) are constituteed, two piece at least screw rods (30) with the inner wall that holds the chamber forms the extrusion eat the extrusion passageway of material (90).

2. The food processor as claimed in claim 1, wherein the feeding cylinder (50) extends along the height direction of the food processor, and the material pushing cylinder (81) is disposed obliquely to the feeding cylinder (50) and extends from the bottom of the feeding cylinder (50) to a direction away from the machine base (10).

3. The food processor of claim 1, wherein the feed cylinder (50) and the communication position of the mesh cylinder (20) are located at the bottom of the mesh cylinder (20), the slag discharge cylinder (60) is communicated with the mesh cylinder (20), and the slag discharge cylinder (60) and the communication position of the mesh cylinder (20) are located at the top of the mesh cylinder (20), the thread on the screw (30) is coiled on the screw (30) from being close to the base (10) to being far away from the direction of rotation of the screw (30).

4. The food processor of claim 3, wherein the tapping cylinder (60) comprises a tapping channel (61), the tapping channel (61) extending in a direction close to the machine base (10) and being inclined to the axis of the mesh cylinder (20).

5. The food processor of claim 1, wherein the aperture of the feed channel (51) is in the range of 70mm to 90 mm.

6. Food processor according to claim 1, characterized in that each of said screws (30) comprises a first screw section (31) and a second screw section (32), wherein,

the first screw section (31) comprises a first rod body (311) and a plurality of first screw strips (312) spiraling on the same area of the first rod body (311);

the second screw section (32) comprises a second rod body (321) and a second thread strip (322) coiled on the second rod body (321);

the inclination of the first thread strip (312) circling on the first rod (311) is greater than the inclination of the second thread strip (322) circling on the second rod (321).

7. The food processor of claim 6, wherein the width of the cross section of the first threaded bar (312) gradually narrows from near the first rod (311) to far away from the first rod (311).

8. The food processor of claim 6, wherein the cross section of the second threaded bar (322) is rectangular or square, the second threaded bar (322) is coiled on the second rod (321) to form a flow guide channel, and the width and depth of the flow guide channel are not changed along the extending direction of the flow guide channel.

9. The food processor of claim 6, wherein each screw (30) comprises a section of the first screw section (31) and a section of the second screw section (32), the first screw section (31) being disposed at an end of the mesh cylinder (20) adjacent to the feed cylinder (50).

10. The food processor according to claim 6, wherein each screw (30) comprises a first screw section (31) and two second screw sections (32), and the two second screw sections (32) are respectively butted at two ends of the first screw section (31).

11. The food processor as defined in claim 3, wherein the filter screen (22) comprises at least one kind of net sheets, each of which has the same mesh aperture, and each of which has different mesh apertures, and the at least one kind of net sheets is integrally formed or detachably disposed on the bottom surface and the bottom side wall of the cylinder (21).

12. The food processor of claim 11, wherein the bottom of the separator (70) is provided with a juice channel (71), the bottom of the separator (70) having a slope (72) inclined towards the juice channel (71).

13. The food processor of claim 11, further comprising a separator cover (73) and a mesh cylinder cover (25), wherein the separator cover (73) and the mesh cylinder cover (25) are of an integral structure or of a separate structure.

14. The food processor of claim 11, wherein the feed cylinder (50) comprises a first feed cylinder section (52) and a second feed cylinder section (53), the first feed cylinder section (52) being mounted on the separator (70), the second feed cylinder section (53) being mounted on the mesh cylinder (20).

15. The food processor of claim 11, wherein the slag tapping barrel (60) comprises a first slag tapping barrel section (62) and a second slag tapping barrel section (63), the first slag tapping barrel section (62) is installed on the mesh barrel (20), and the second slag tapping barrel section (63) is installed on the separator (70).