CN213371587U

CN213371587U - Food processing machine

Info

Publication number: CN213371587U
Application number: CN202020985276.0U
Authority: CN
Inventors: 王旭宁; 明进武; 郭红伟
Original assignee: Hangzhou Joyoung Household Electrical Appliances Co Ltd
Current assignee: Hangzhou Jiuchuang Home Appliances Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-06-08
Anticipated expiration: 2030-06-02

Abstract

There is provided herein a food processor comprising: the pulping cavity comprises a cavity peripheral wall and a cavity bottom wall formed by a bottom plate, and the bottom plate can be vertically and movably arranged in the cavity peripheral wall and is in sealing fit with the cavity peripheral wall; and the driving device is used for driving the bottom plate to move up and down along the peripheral wall of the cavity so as to change the volume of the pulping cavity, the volume change range of the pulping cavity is 100 ml-2500 ml, during pulping, the driving device drives the bottom plate to move down to a pulping position, pulping with set volume is realized, during cleaning, the driving device drives the bottom plate to move up to a cleaning position, the edge of the bottom plate can scrape residues on the peripheral wall of the cavity through which the bottom plate passes in the moving up process, the residues needing to be cleaned are all positioned in the pulping cavity after the volume is reduced, the amount of cleaning water required during cleaning is reduced, and the pulping cavity is also cleaned up more easily.

Description

Food processing machine

Technical Field

The utility model relates to a food processing technology field, more specifically relates to a food processor.

Background

A small-space crushing soybean milk machine comprises a main machine, a separable water tank, a soybean milk receiving cup, a wastewater box, a soybean milk discharging mechanism and the like, wherein the separable water tank is arranged on one side of the main machine, and the soybean milk receiving cup and the wastewater box are arranged on the main machine and are positioned below a soybean milk discharging opening of the soybean milk discharging mechanism. The main machine is provided with a small-space crushing cup, the bottom of the crushing cup is provided with a heating device and a crushing device, the top end of the crushing cup is provided with a crushing cup cover, the crushing cup and the cup cover surround to form a crushing cavity, and the slurry discharge mechanism is connected to the lower part of the crushing cup.

The soybean milk machine has the advantages that the capacity of the separable water tank is small, the soybean milk machine can only contain water for one-time pulping and one-time cleaning, if the crushing cavity needs to be cleaned completely, the crushing cavity needs to be cleaned at least twice, so that the soybean milk machine is limited by the water contained in the separable water tank, and the crushing cavity cannot be cleaned completely during cleaning. In addition, the volume of the crushing cavity of the soymilk machine is fixed, the soymilk making effect for making middle-volume soymilk and large-volume soymilk is better, and the soymilk making effect for making small-volume soymilk is not very good.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a food processor, its slurrying cavity's volume is adjustable, can improve the slurrying effect of preparation low capacity thick liquid through the volume of adjustment slurrying cavity, has really realized the wide capacity slurrying.

The embodiment of the utility model provides a food processor, include: the pulping cavity comprises a cavity peripheral wall and a cavity bottom wall formed by a bottom plate, and the bottom plate can be vertically and movably arranged in the cavity peripheral wall and is in sealing fit with the cavity peripheral wall; and the driving device is used for driving the bottom plate to move up and down along the peripheral wall of the cavity so as to change the volume of the pulping cavity, and the volume change range of the pulping cavity is 100 ml-2500 ml.

Optionally, the food processor further comprises: the motor is hung below the bottom plate, and a motor shaft of the motor penetrates through the bottom plate and extends into the pulping cavity; and the crushing device is positioned in the pulping cavity and is arranged at the tail end of the motor shaft, and the motor and the crushing device move up and down along with the bottom plate.

Optionally, the food processor further comprises: the motor is fixed below the bottom plate, a motor shaft of the motor is detachably connected with a rotating shaft through a coupler, and the rotating shaft penetrates through the bottom plate and extends into the pulping cavity; and the crushing device is positioned in the pulping cavity and is arranged at the tail end of the rotating shaft, and the crushing device and the rotating shaft move up and down along with the bottom plate.

Optionally, the driving device includes an air pump, a closed cavity is formed below the bottom plate, the air pump is communicated with the closed cavity, the air pump pumps air into the closed cavity to realize the ascending of the bottom plate, and the air pump pumps air from the closed cavity to the outside to realize the descending of the bottom plate.

Optionally, the driving device includes a crank and a connecting rod, the crank is connected to the bottom plate through the connecting rod, and the crank drives the connecting rod to swing, so as to raise or lower the bottom plate.

Optionally, the driving device is a telescopic rod, the telescopic rod is connected with the bottom plate, the telescopic rod extends out to enable the bottom plate to ascend, and the telescopic rod retracts to enable the bottom plate to descend.

Optionally, a clamping groove is recessed in a peripheral end face of the bottom plate, a sealing member is clamped in the clamping groove, and sealing is performed between the bottom plate and the cavity peripheral wall through the sealing member.

Optionally, a seal is wrapped around the perimeter of the base plate, the seal sealing between the base plate and the cavity perimeter wall.

Optionally, a sealing rib is provided on the sealing member.

Optionally, the seal is axially spaced apart.

Optionally, a coating is provided on the inner side of the cavity perimeter wall.

Optionally, the peripheral wall of the cavity is cylindrical, and the bottom plate is a circular plate.

Optionally, a base is arranged below the pulping cavity, a containing sink groove and an annular mounting cavity are arranged on the base, the annular mounting cavity is arranged outside the containing sink groove in a surrounding manner, the air pump is located in the annular mounting cavity, and the containing sink groove, the top wall of the annular mounting cavity, the cavity peripheral wall and the bottom plate surround to form the closed cavity.

Optionally, a base is arranged below the pulping cavity, a containing cavity is arranged on the base, a penetrating hole is formed in the top wall of the containing cavity, a downward protruding extending cylinder is arranged on the bottom plate, the extending cylinder can be hermetically penetrated in the penetrating hole in a vertically movable mode, the air pump is located in the containing cavity, and the bottom plate, the cavity peripheral wall, the top wall of the containing cavity and the extending cylinder enclose the closed cavity.

Optionally, the food processor further comprises: the signal receiving part is arranged on the peripheral wall of the cavity, and the signal receiving part and the driving device are both connected with the control device.

Optionally, the food processor further comprises: the slurry discharging mechanism is arranged at the upper part of the peripheral wall of the cavity; the slurry receiving cup and the waste water box are arranged below the slurry discharging port of the slurry discharging mechanism.

Optionally, the food processor further comprises: and the water supply device is connected with the upper part of the cavity peripheral wall and is used for supplying water into the pulping cavity.

The embodiment of the utility model provides a food processor, the slurrying cavity includes the chamber perisporium and the chamber bottom wall that is formed by the bottom plate, the bottom plate can be installed in the chamber perisporium with reciprocating, and with the sealed cooperation of chamber perisporium, drive arrangement drive bottom plate reciprocates along the chamber perisporium, in order to change the volume of slurrying cavity, during the slurrying, drive arrangement drive bottom plate moves down to the slurrying position, realize setting for the capacity slurrying, during the washing, drive arrangement drive bottom plate shifts up to the cleaning position, the edge of bottom plate can scrape the residue on the chamber perisporium of its process at the in-process that shifts up, need abluent residue all be located the slurrying cavity after reducing the volume, required washing water volume reduces when its washs, the slurrying cavity is also washed clean more easily.

The volume change range of the pulping cavity is 100 ml-2500 ml, the volume of the pulping cavity is adjustable, and the pulping effect of making small-capacity pulp can be improved by adjusting the volume of the pulping cavity, so that the pulping effect of making small-capacity pulp, intermediate-capacity pulp and large-capacity pulp is better, and wide-capacity pulping is really realized.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.

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

FIG. 2 is a schematic cross-sectional view of the food processor of FIG. 1 in another use state;

FIG. 3 is an enlarged view of part A of FIG. 1;

FIG. 4 is a schematic cross-sectional view of a food processor according to another embodiment of the present invention in a use state;

fig. 5 is a schematic sectional view of the food processor shown in fig. 4 in another use state.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 5 is:

100 pulping cavity, 110 cavity periphery wall, 120 bottom plate, 121 clamping groove, 130 extending cylinder, 210 motor, 220 heating pipe, 230 temperature sensor, 240 pulp discharging mechanism, 250 pulp receiving cup, 260 waste water box, 310 air pump, 320 switch valve, 330 closed cavity, 340 accommodating sink groove, 350 annular mounting cavity, 360 mounting cavity, 370 mounting hole, 380 base, 410 control device, 420 signal emitting piece, 430 signal receiving piece, 500 sealing sleeve, 510 clamping rib and 600 water supply device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The embodiment of the utility model provides a food processor, as shown in figure 1, figure 2, figure 4 and figure 5, include: a pulping chamber 100 including a chamber peripheral wall 110 and a chamber bottom wall formed by a bottom plate 120, the bottom plate 120 being installed in the chamber peripheral wall 110 to be movable up and down and being hermetically fitted with the chamber peripheral wall 110; and a driving means for driving the base plate 120 to move up and down along the chamber peripheral wall 110 to change the volume of the pulping chamber 100.

The food processor comprises a pulping cavity 100 and a cavity bottom wall formed by a bottom plate 120, wherein the bottom plate 120 is movably arranged in the cavity peripheral wall 110 up and down and is in sealing fit with the cavity peripheral wall 110, a driving device drives the bottom plate 120 to move up and down along the cavity peripheral wall 110 so as to change the volume of the pulping cavity 100, during pulping, the driving device drives the bottom plate 120 to move down to a pulping position to realize pulping with set volume, during cleaning, the driving device drives the bottom plate 120 to move up to a cleaning position, the edge of the bottom plate 120 can scrape residues on the cavity peripheral wall 110 passing through the bottom plate in the moving up process, the residues needing to be cleaned are all located in the pulping cavity 100 with the reduced volume, the cleaning water quantity required during cleaning is reduced, and the pulping cavity 100 is easier to be cleaned.

Moreover, the volume of the pulping cavity 100 is adjustable, and the pulping effect of making small-capacity pulp can be improved by adjusting the volume of the pulping cavity 100, so that the pulping effect of making small-capacity pulp, intermediate-capacity pulp and large-capacity pulp is better, and wide-capacity pulping is really realized.

In an exemplary embodiment, as shown in fig. 1, 2, 4 and 5, the food processor further comprises: the motor 210 is hung below the bottom plate 120, and a motor shaft of the motor 210 penetrates through the bottom plate 120 and extends into the pulping cavity 100; and the crushing device is positioned in the pulping cavity 100 and is arranged at the tail end of the motor shaft, and the motor 210 and the crushing device move up and down along with the bottom plate 120.

Illustratively, as shown in fig. 1, 2, 4 and 5, a heating pipe 220 for heating and a temperature sensor 230 for detecting temperature are further mounted on the base plate 120.

In another exemplary embodiment, the food processor further comprises: the motor is fixed below the bottom plate (not shown in the scheme), a motor shaft of the motor is detachably connected with the rotating shaft through a coupler, and the rotating shaft penetrates through the bottom plate and extends into the pulping cavity; and the crushing device is positioned in the pulping cavity and is arranged at the tail end of the rotating shaft, the crushing device and the rotating shaft move up and down along with the bottom plate, and the motor does not move up and down along with the bottom plate. The shaft coupling includes shaft coupling and lower shaft coupling, goes up the shaft coupling and installs the lower extreme at the pivot, and lower shaft coupling installs the upper end at the motor shaft, goes up the separable transmission cooperation of shaft coupling and lower shaft coupling, and this scheme can be washed the slurrying cavity through the mode that sprays.

In an exemplary embodiment, the driving device includes an air pump 310, a closed cavity 330 is formed below the bottom plate 120, the air pump 310 is communicated with the closed cavity 330 (refer to fig. 1, fig. 2, fig. 4 and fig. 5), the air pump 310 pumps air from outside into the closed cavity 330, the bottom plate 120 rises to reduce the volume of the pulping cavity 100, the air pump 310 pumps air from the closed cavity 330 to outside, and the bottom plate 120 descends to increase the volume of the pulping cavity 100.

A base 380 is arranged below the pulping chamber 100, an accommodating sinking groove 340 and an annular mounting cavity 350 are arranged on the base 380, the annular mounting cavity 350 is enclosed outside the accommodating sinking groove 340, the air pump 310 is located in the annular mounting cavity 350, and the accommodating sinking groove 340, the top wall of the annular mounting cavity 350, the cavity peripheral wall 110 and the bottom plate 120 enclose a closed cavity 330 (refer to fig. 1 and 2).

Illustratively, as shown in fig. 1, 2, 4 and 5, the food processor further comprises: a slurry discharge mechanism 240 provided on an upper portion of the chamber peripheral wall 110; the slurry receiving cup 250 and the waste water box 260 are arranged below the slurry discharging port of the slurry discharging mechanism 240; and a water supply device 600 connected to an upper portion of the chamber peripheral wall 110 for supplying water into the pulp making chamber 100. The water supply device 600 includes a water tank, a water pump, and the like.

Because the pulp discharging mechanism 240 is arranged on the upper part of the cavity peripheral wall 110, the pulp receiving cup 250 and the waste water box 260 are not completely arranged below the pulping cavity 100, so that the height of the whole machine can be greatly reduced.

Illustratively, as shown in fig. 1 to 3, the food processor further comprises: the control device 410, the signal emitting part 420 provided on the base plate 120, the signal receiving part 430 provided on the peripheral wall 110 of the chamber, and the signal receiving part 430 and the air pump 310 are connected to the control device 410. The control device 410 drives the air pump 310 to act, the air pump 310 pumps air into the closed cavity 330 to drive the bottom plate 120 to move upwards, until the signal emitting part 420 reaches the same height position as the signal receiving part 430, the control device 410 controls the air pump 310 to stop, at this time, the pulp discharging mechanism 240 is opened, and the prepared pulp in the pulping cavity 100 can be completely discharged into the pulp receiving cup 250 from the pulp discharging mechanism 240. After the pulp discharging is finished, the pulp discharging mechanism 240 is closed, the pulping cavity 100 can be cleaned at the moment, the water quantity required by one-time cleaning is reduced, and the water quantity stored in the water supply device can meet the requirements of one-time pulping and multiple cleaning. When the control bottom plate 120 moves downwards, the control device 410 may control the air pump 310 to pump air from the closed cavity 330 for a set time, and finally, the periphery of the bottom plate 120 abuts against the top wall of the annular mounting cavity 350 downwards (the switch valve 320 may be mounted on the closed cavity 330, after the air pump 310 stops pumping air outwards, the switch valve 320 is opened to balance the air pressure inside and outside the closed cavity 330, and after the air pressure inside and outside the closed cavity 330 is balanced, the switch valve 320 is closed, and after the air pressure inside and outside the closed cavity 330 is balanced, the switch valve 320 may be opened for 1-10 seconds and then closed, so as to balance the air pressure inside and outside the closed cavity 330. In this example, the pulping chamber 100 comprises a pulping volume and a rinsing volume. The control device is a control panel, the signal emitting piece is a magnet, and the signal receiving piece is a Hall plate or a reed switch.

Or, as shown in fig. 4 and 5, a base 380 is disposed below the pulping chamber 100, a containing cavity 360 is disposed on the base 380, a penetrating hole 370 is disposed on a top wall of the containing cavity 360, a downward protruding extension cylinder 130 is disposed on the bottom plate 120, the extension cylinder 130 is hermetically penetrated in the penetrating hole 370 in a vertically movable manner, the motor 210 is located in the extension cylinder 130, the air pump 310 is located in the containing cavity 360 and outside the extension cylinder 130, and the bottom plate 120, the cavity peripheral wall 110, the top wall of the containing cavity 360 and the extension cylinder 130 enclose a closed cavity 330. In this example, the pulping chamber 100 comprises a pulping volume and a rinsing volume. When the bottom plate 120 reaches the upper maximum position, the lower end of the extension cylinder 130 just drops out of the through hole 370, the bottom plate 120 cannot move upwards continuously by continuing pumping, and the bottom plate 120 can be stopped at the upper maximum position as long as the pumping time is controlled.

In another exemplary embodiment, as shown in fig. 1, 2, 4 and 5, the driving device comprises an air pump 310 and a switch valve 320, a closed cavity 330 is formed below the bottom plate 120, the air pump 310 is communicated with the closed cavity 330, the switch valve 320 is closed, the air pump 310 pumps air into the closed cavity 330, and the bottom plate 120 is lifted to realize the volume reduction of the pulping cavity 100. The switch valve 320 is opened, and the bottom plate 120 descends under the action of the gravity of the hoisted motor 210, so that the volume of the pulping cavity 100 is increased. In this example, the pulping chamber 100 comprises a pulping volume and a rinsing volume.

As shown in fig. 1 and fig. 2, a base 380 is disposed below the pulping chamber 100, a containing sink groove 340 and an annular mounting chamber 350 are disposed on the base 380, the annular mounting chamber 350 is surrounded outside the containing sink groove 340, the air pump 310 and the switch valve 320 are located in the annular mounting chamber 350, and the containing sink groove 340, a top wall of the annular mounting chamber 350, the chamber peripheral wall 110 and the bottom plate 120 are surrounded to form a closed chamber 330.

In another exemplary embodiment, the driving device includes a crank and a connecting rod, the crank is connected to the bottom plate through the connecting rod, and the crank drives the connecting rod to swing, so as to achieve the ascending or descending of the bottom plate.

In still another exemplary embodiment, drive arrangement is the telescopic link, and the telescopic link is connected with the bottom plate, and the telescopic link stretches out to realize that the bottom plate rises, and the telescopic link withdrawal realizes that the bottom plate descends, and this kind of implementation structure is also fairly simple, also can realize the purpose of this application, and its purpose does not break away from the utility model discloses a design thought, no longer describe here, also should belong to the protection scope of this application.

In an exemplary embodiment, as shown in fig. 1 to 5, a clamping groove 121 is recessed on a peripheral end surface of the bottom plate 120, and a sealing member is clamped in the clamping groove 121, so that the sealing member is sealed and leak-proof between the bottom plate 120 and the cavity peripheral wall 110.

For example, as shown in fig. 1 to 5, the sealing member is a sealing sleeve 500, a clamping rib 510 protrudes from an inner side surface of the sealing sleeve 500, the sealing member is sleeved on a peripheral end surface of the base plate 120, and the clamping rib 510 is clamped into the clamping groove 121 to position the sealing member. The upper edge of the sealing sleeve 500 is disposed flush with the upper side of the base plate 120, and the lower edge of the sealing sleeve 500 is disposed flush with the lower side of the base plate 120, and also prevents slag build-up (i.e., the build-up of residues) between the base plate 120 and the cavity peripheral wall 110.

Exemplarily, a sealing rib is arranged on the outer side surface of the sealing sleeve, and the sealing rib can improve the sealing performance.

In another exemplary embodiment, the sealing member covers the periphery of the bottom plate (not shown in this embodiment), and the sealing member seals and prevents leakage between the bottom plate and the cavity peripheral wall.

Illustratively, the sealing member is a sealing sleeve, a slot is recessed in an inner side surface of the sealing sleeve, a dowel bar is protruded in a peripheral end surface of the bottom plate, and the dowel bar is inserted into the slot to position the sealing member (not shown in the figure in the scheme). The upper edge of seal cover 500 sets up to the parallel and level with the last side of bottom plate, and the lower limb of seal cover sets up to the parallel and level with the downside of bottom plate, prevents that the upper edge of seal cover from protruding formation step and increasing the washing degree of difficulty on the side of going up of bottom plate.

In a further exemplary embodiment, a clamping groove is recessed on the peripheral end surface of the bottom plate, the sealing element is a sealing ring, the sealing ring is clamped in the clamping groove, and the sealing element seals and prevents leakage between the bottom plate and the cavity peripheral wall (not shown in this embodiment).

For example, one sealing ring can be arranged in the axial direction of the pulping cavity 100, 2-4 sealing rings can be arranged in the axial direction of the pulping cavity 100 at intervals, and the sealing effect can be better improved by arranging 2-4 sealing rings.

In an exemplary embodiment, the sealing member is made of wear-resistant silica gel, and the inner side surface of the cavity peripheral wall 110 is provided with a coating, which can be coated with a material having smooth, wear-resistant and self-lubricating properties, so as to better ensure the service life of the product.

As shown in fig. 1, 2, 4 and 5, the chamber peripheral wall 110 may have a cylindrical tube shape (or other straight tube-shaped structure, such as a rectangular tube), and the bottom plate 120 may have a circular plate shape (or other plate-shaped structure, such as a rectangular plate).

Or can be, the perisporium is the tubular structure of internal diameter change, and the bottom plate is the changeable elastic deformation board of area (if for the changeable silica gel board of area, the flange edge of silica gel board is provided with the changeable annular brace rod of diameter, and the annular brace rod is pressed the edge of silica gel board all the time and is held on the perisporium), also can realize the purpose of this application, and its purpose does not break away from the design thought of this practicality, no longer gives unnecessary details here, also should belong to the protection scope of this application.

In an exemplary embodiment, as shown in fig. 1, 2, 4 and 5, the volume of the pulping chamber 100 ranges from 100ml to 2500ml, the volume of the pulping chamber 100 is adjustable, and the pulping effect of making small-capacity pulp can be improved by adjusting the volume of the pulping chamber 100, so that the pulping effect of making small-capacity pulp, medium-capacity pulp and large-capacity pulp is better, and wide-capacity pulping is really realized. One or more pulping volumes (a plurality of pulping volumes such as 500ml, 1000ml, 1500ml, 2000ml, 2500ml and the like can be realized by arranging a plurality of signal receiving parts corresponding to the plurality of pulping volumes one by one), one or more cleaning volumes (a plurality of cleaning volumes such as 100ml, 200ml, 300ml and the like) can be included, and the person skilled in the art can set the volume reasonably according to the needs.

To sum up, the embodiment of the utility model provides a food processing machine, the slurrying cavity includes the chamber perisporium and the chamber bottom wall that is formed by the bottom plate, the bottom plate can be installed in the chamber perisporium with reciprocating, and with the sealed cooperation of chamber perisporium, drive arrangement drive bottom plate reciprocates along the chamber perisporium, with the volume that changes the slurrying cavity, during the slurrying, drive arrangement drive bottom plate moves down to the slurrying position, realize setting for the capacity slurrying, during the washing, drive arrangement drive bottom plate shifts up to the washing position, the edge of bottom plate can scrape the residue on the chamber perisporium of its process at the in-process that shifts up, need abluent residue all be located the slurrying cavity after reducing the volume, required washing water volume reduces during its washing, the slurrying cavity is also more easily by the sanitization.

In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "mouth" word structure "and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the structure referred to has a specific orientation, is constructed and operated in a specific orientation, and thus, is not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A food processor, comprising:

the pulping cavity comprises a cavity peripheral wall and a cavity bottom wall formed by a bottom plate, and the bottom plate can be vertically and movably arranged in the cavity peripheral wall and is in sealing fit with the cavity peripheral wall; and

and the driving device is used for driving the bottom plate to move up and down along the peripheral wall of the cavity so as to change the volume of the pulping cavity, and the volume change range of the pulping cavity is 100 ml-2500 ml.

2. The food processor of claim 1,

the food processor further comprises:

the motor is hung below the bottom plate, and a motor shaft of the motor penetrates through the bottom plate and extends into the pulping cavity; and

the crushing device is positioned in the pulping cavity and is installed at the tail end of the motor shaft, and the motor and the crushing device move up and down along with the bottom plate; or

The food processor further comprises:

the motor is fixed below the bottom plate, a motor shaft of the motor is detachably connected with a rotating shaft through a coupler, and the rotating shaft penetrates through the bottom plate and extends into the pulping cavity; and

and the crushing device is positioned in the pulping cavity and is arranged at the tail end of the rotating shaft, and the crushing device and the rotating shaft move up and down along with the bottom plate.

3. The food processor of claim 1,

the driving device comprises an air pump, a closed cavity is formed below the bottom plate, the air pump is communicated with the closed cavity, the air pump pumps air into the closed cavity to realize the ascending of the bottom plate, and the air pump pumps air outwards from the closed cavity to realize the descending of the bottom plate.

4. Food processor according to claim 3,

a base is arranged below the pulping cavity, an accommodating sinking groove and an annular mounting cavity are arranged on the base, the annular mounting cavity is arranged outside the accommodating sinking groove in a surrounding manner, the air pump is positioned in the annular mounting cavity, and the accommodating sinking groove, the top wall of the annular mounting cavity, the peripheral wall of the cavity and the bottom plate are enclosed to form a closed cavity; or

The pulping machine is characterized in that a base is arranged below the pulping cavity, a containing cavity is arranged on the base, a penetrating hole is formed in the top wall of the containing cavity, an extending cylinder protruding downwards is arranged on the bottom plate, the extending cylinder can be hermetically penetrated in the penetrating hole in a vertically movable mode, the air pump is located in the containing cavity, and the bottom plate, the peripheral wall of the cavity, the top wall of the containing cavity and the extending cylinder are encircled to form the closed cavity.

5. The food processor of claim 1,

the driving device comprises a crank and a connecting rod, the crank is connected with the bottom plate through the connecting rod, and the crank drives the connecting rod to swing so as to realize the ascending or descending of the bottom plate; or

The driving device is a telescopic rod, the telescopic rod is connected with the bottom plate, the telescopic rod extends out to enable the bottom plate to ascend, and the telescopic rod retracts to enable the bottom plate to descend.

6. The food processor of claim 1, wherein a slot is recessed in a peripheral end surface of the base plate, and a seal is captured in the slot to seal between the base plate and the chamber peripheral wall by the seal.

7. The food processor of claim 1, wherein a seal wraps around a periphery of the base plate, the seal sealing between the base plate and the cavity peripheral wall.

8. The food processor of claim 1,

a coating is arranged on the inner side surface of the cavity peripheral wall; or

The peripheral wall of the cavity is cylindrical, and the bottom plate is a circular plate.

9. The food processor of claim 1, further comprising:

the signal receiving part is arranged on the peripheral wall of the cavity, and the signal receiving part and the driving device are both connected with the control device.

10. The food processor of claim 1, further comprising:

the slurry discharging mechanism is arranged at the upper part of the peripheral wall of the cavity;

the pulp receiving cup and the waste water box are arranged below the pulp discharging port of the pulp discharging mechanism; or the food processor further comprises:

and the water supply device is connected with the upper part of the cavity peripheral wall and is used for supplying water into the pulping cavity.