CN107087701B

CN107087701B - Shredded sweet potato sugar mixer

Info

Publication number: CN107087701B
Application number: CN201710272415.8A
Authority: CN
Inventors: 陈开华
Original assignee: Guizhou Xishui County Jinqiao Food Co ltd
Current assignee: Guizhou Xishui County Jinqiao Food Co ltd
Priority date: 2017-04-24
Filing date: 2017-04-24
Publication date: 2020-06-02
Anticipated expiration: 2037-04-24
Also published as: CN107087701A

Abstract

The invention relates to the technical field of devices for stirring materials in a fixed container, in particular to a sweet potato candy stirrer, which comprises a cutting barrel, wherein the upper part of the cutting barrel is provided with an inclined feeding hole; a rotating shaft driven by a motor is arranged in the cutting barrel; the lower end of the rotating shaft is provided with a driving gear, the bottom surface of the cutting barrel is provided with a discharge hole, and a spiral blade is arranged in the discharge hole; the center of the blade is connected with a fixed shaft, an outer gear ring is arranged above the discharge hole, the upper end of the fixed shaft is positioned in the outer gear ring, and a connecting rod is fixedly connected between the fixed shaft and the inner wall of the outer gear ring; the bottom of the discharge hole is detachably connected with a sieve basket; a cutter capable of flapping and cutting sweet potatoes is arranged at the part of the rotating shaft in the cutting barrel; a partition plate which is rotatably connected with the rotating shaft is arranged below the cutter, an extrusion hole is formed in the partition plate, and an extrusion blade is arranged on the inner wall of the extrusion hole; the part of the rotating shaft below the clapboard is provided with a stirring rod. Not only can mix the material in succession, can also stir the sweet potato breakage fast for sweet potato and glutinous rice are stirred evenly.

Description

Shredded sweet potato sugar mixer

Technical Field

The invention relates to the technical field of devices for stirring materials in a fixed container, in particular to a sweet potato candy stirrer.

Background

The shredded sweet potato candy is a traditional Chinese snack in Zunyi city, is a special product produced in Zunyi in Guizhou in the red revolution old district, is crispy and delicious, and is very popular with people. The sweet potato shred sugar has a unique manufacturing process, and firstly, sweet potato shred blanks are manufactured: on the day before the preparation of the blank, the glutinous rice in the ingredients is washed clean and soaked in cold water. The next day, the rice is filtered to be dry, the rice is put into a stone pounding pit for pounding, the pounding is carried out for fine, the fine powder is sieved by a 100-mesh sieve, and glutinous rice powder is left for standby. And cleaning and peeling fresh sweet potatoes, cutting the sweet potatoes into lumps, steaming the sweet potatoes in a steamer, taking the sweet potatoes out, mixing and kneading the sweet potatoes and glutinous rice flour on a table, putting the sweet potatoes into a box, pressing the sweet potatoes, cutting the sweet potatoes into small blocks of 4-5 cm by a knife, and uniformly putting the small blocks into the steamer. Steaming until the blank is cooked thoroughly, taking out the blank when the blank is hot, placing the blank into a stone pounding machine for pounding forcibly (a hollow stone pounding machine is firstly brushed with a layer of oil to avoid binding a pounding pit), pounding the blank until the blank is soft and uniform, immediately taking out the blank and placing the blank into a box frame for flattening when the blank is fully mixed (no sweet potato star point is detected), and cooling and condensing the blank until the thickness of the blank is controlled to be 6-7 cm. Turning out the briquettes on the third day, cutting the briquettes into square briquettes with the width of 6-7 cm by using a knife, and slicing and shredding the briquettes. The length of the seed is 6-7 cm, and the square is 3-4 mm. Drying in the sun or in the shade to obtain shredded sweet potato blanks. It should not be dried too much or not dried, so it is advisable to cut the seed of Cuscuta Zi into pieces. Then frying the shredded sweet potato shred blanks in oil, and finally cooking sugar paste and stirring.

However, in the prior art, the steamed sweet potatoes and glutinous rice are pounded into thin pounding pits by using stone pounding pits, so that a large amount of manpower is consumed, and the prior art is not suitable for batch production.

Chinese patent publication No. CN1466484 discloses a device for stirring flowing or loose media, in particular high-viscosity media, having a container for the medium, conical stirring elements being arranged on supporting arms on a vertical rotating shaft, which are formed by a spiral. Radial flow is produced through the openings of the spiral, preventing the media from forming a plug in the cone.

The above patent documents also have the following technical problems: 1. when the sweet potatoes are stirred after being steamed, the stirring time is prolonged because the sweet potatoes are not mashed before being stirred; meanwhile, because the glutinous rice flour is attached to the surface of the sweet potatoes, the sweet potatoes and the glutinous rice flour can be uniformly mixed after being stirred for a long time; 2. after the first batch of sweet potatoes needing to be stirred are poured into the stirring device, if new sweet potatoes are subsequently added for stirring, the sweet potatoes are not easy to be uniformly mixed; if the next batch of sweet potatoes needs to be stirred, the batch of sweet potatoes needs to be taken out and then stirred, namely, the continuous feeding and stirring of the sweet potatoes cannot be realized.

Disclosure of Invention

The invention aims to provide a sweet potato shred sugar mixer which not only can continuously mix materials, but also can quickly stir sweet potatoes to ensure that the sweet potatoes and sticky rice are uniformly mixed.

In order to achieve the above purpose, the basic scheme of the invention is as follows:

the shredded sweet potato sugar mixer comprises a closed cutting barrel, wherein the upper part of the cutting barrel is obliquely provided with a feed hole; a rotating shaft driven by a motor is arranged in the cutting barrel; the lower end of the rotating shaft is provided with a driving gear, the bottom surface of the cutting barrel is provided with a discharge hole, a spiral blade is arranged in the discharge hole, and the edge of the blade is in contact with the wall of the discharge hole; the center of the blade is fixedly connected with a fixed shaft, an outer gear ring is arranged above the discharge hole, the upper end of the fixed shaft is positioned in the outer gear ring, and a connecting rod is fixedly connected between the fixed shaft and the inner wall of the outer gear ring; the bottom of the discharge hole is detachably connected with a sieve basket formed by a steel wire mesh; a cutter capable of beating and stirring sweet potatoes for cutting is arranged at the part of the rotating shaft positioned in the cutting barrel; the rotating shaft is rotatably connected with a partition plate, and the partition plate is positioned below the cutter; the partition board is provided with an extrusion hole, and the inner wall of the extrusion hole is uniformly provided with extrusion blades; the rotating shaft is positioned below the clapboard and is provided with a stirring rod.

When the technical scheme is adopted, the motor is started, the motor drives the rotating shaft to rotate, then the sweet potatoes which are stuck with the glutinous rice flour and steamed are placed into the feeding hole, the sweet potatoes roll into the cutting barrel along the feeding hole, the sweet potatoes are firstly beaten by the cutter and then cut and crushed to form sweet potato paste, and the first crushing of the sweet potatoes is realized; the mashed sweet potatoes after being stirred up can fall onto the partition plate, when the amount of the mashed sweet potatoes on the partition plate is more, the mashed sweet potatoes can be extruded to the lower part of the partition plate from the extrusion holes, and the mashed sweet potatoes can be cut by the extrusion blades in the extrusion holes when being extruded from the extrusion holes, so that the mashed sweet potatoes extruded from the extrusion holes are prevented from being lumpy, and the secondary stirring up of the sweet potatoes is realized; when the mashed sweet potatoes fall into the lower part of the partition plate from the extrusion hole, the mashed sweet potatoes can flow out of the discharge hole, and in the flowing-out process, the blades in the discharge hole rotate, so that the mashed sweet potatoes can be conveyed outwards by the spiral blades; meanwhile, the mashed sweet potatoes can flow out of the discharge hole, and the sweet potatoes can be continuously added above the discharge hole for stirring.

The beneficial effect that this scheme produced is:

1. the scheme enables the sweet potatoes to be flapped by the cutter firstly when entering the cutting barrel, so that the sweet potatoes are flapped and loosened, the cutter is easier to stir and cut the sweet potatoes, the sweet potatoes can become mashed sweet potatoes when falling onto the partition plate, the more the mashed sweet potatoes are accumulated, the fluidity of the mashed sweet potatoes is added, so that the mashed sweet potatoes flow downwards from the extrusion holes on the partition plate, the extrusion holes can carry out secondary crushing and cutting on the mashed sweet potatoes passing through, the mashed sweet potatoes fall into the lower part of the partition plate after being extruded from the extrusion holes, the mashed sweet potatoes can flow out from the discharge holes, in the outflow process, the spiral blades rotate, so that the sweet potato paste can be conveyed outwards by the spiral blades, when the sweet potato paste passes through the sieve basket, the spiral blades can extrude the mashed sweet potatoes in the sieve basket, so that the mashed sweet potatoes are extruded out of the gaps of the sieve basket, and the mashed sweet potatoes are crushed for the third time; and can be continuous at this in-process put into the sweet potato from the feed port, realized stirring the cutting to the sweet potato in succession, this in-process simultaneously, because can also stir in the time of the cutting, later stirred again and extruded make sweet potato and the effectual integration of glutinous rice, the stirring.

2. The feeding hole is obliquely arranged, so that the sweet potatoes have impact force when entering the cutting barrel and can be quickly impacted to the cutter;

3. the driving gear and the driven gear are arranged, so that when the rotating shaft rotates, the driving gear can rotate to further drive the driven gear to rotate; the blades are arranged to be spiral, and the discharge holes are fixed due to the rotation of the blades, so that the sweet potato mud entering the discharge holes can be sent outwards by the blades;

4. the sieve basket is composed of a steel wire mesh, and the sweet potatoes are crushed for the third time due to the fact that the steel wires are sharp; meanwhile, when the mashed sweet potatoes are continuously sent out by the blades, the mashed sweet potatoes can be extruded to a certain degree, and the extruded mashed sweet potatoes can flow out from gaps of the sieve basket. The sieve basket is detachably connected with the bottom of the discharge hole, so the sieve basket can be cleaned at any time;

5. the part that the pivot is located the baffle below is equipped with the puddler, mainly is for stirring the mashed sweet potato of baffle below for the sweet potato can be stirred once more, the sweet potato of being convenient for is stirred garrulous and with glutinous rice misce bene.

The first preferred scheme is as follows: as a further optimization of the basic scheme, the cutter comprises a cutter frame, a transverse blade, a stirring rod and a rectangular vertical blade; the tool rests are a plurality of rectangular frames, the rotating shaft penetrates through the vertical center line of the tool rests, and the rotating shaft is fixedly connected with the tool rests; the peripheries of the vertical blade and the transverse blade are provided with cutting edges; the number of the vertical blades is multiple, the vertical blades are arranged on the knife rest at intervals, each vertical blade is connected with a plurality of transverse blades, and each transverse blade is provided with a cutting edge facing the upper part of the cutting barrel; the stirring rods are arranged on the side surface of the knife rest in an inclined manner from top to bottom, the lowest ends of the stirring rods are fixedly connected with the side surface of the knife rest, and the lengths of the stirring rods are sequentially increased from top to bottom; the feed port is positioned above the uppermost stirring rod.

When sweet potato and cutter contact, at first can contact with the stirring rod of rotatory cutter, because stirring rod is located the outside, stirring rod can pat the sweet potato this moment, because stirring rod is a plurality ofly, stirring rod sets up the side at the knife rest from last slope down, the lowest end of stirring rod and the side fixed connection of knife rest, the length of stirring rod is from last to increasing down in proper order, make the sweet potato can not fall into the cutting barrel bottom when getting into the cutting barrel, because stirring rod also is at high-speed rotatory, can be stirred by stirring rod when the sweet potato whereabouts, because the length of stirring rod is from last to increasing down in proper order, therefore the sweet potato always can be blocked by one of them stirring rod, then roll vertical blade and horizontal blade department along stirring rod, vertical blade and horizontal blade can carry out vertical and horizontal cutting to the sweet potato, make the sweet potato stirred fast (promptly to the first stirring of sweet potato garrulously). Simultaneously, after the sweet potato is stirred up, the blade is at rotatory in-process, and the sweet potato can follow the clearance process between vertical blade and the horizontal blade, can once extrude by the sweet potato this moment for the sweet potato is squeezed the bits of broken glass and is formed sweet potato mud.

The preferred scheme II is as follows: as a further optimization of the basic scheme, the extrusion hole is funnel-shaped, the wide opening end of the extrusion hole is close to the cutter, and the narrow opening end of the extrusion hole is close to the bottom surface of the cutting hole.

The width of the extrusion hole is gradually reduced, so that the sweet potato mud entering the extrusion hole is extruded more easily; so that the sweet potatoes are better crushed for the second time.

The preferable scheme is three: as a further optimization of the second preferred scheme, a plurality of extrusion holes are uniformly distributed on the partition plate; a pressing plate is arranged in the cutting barrel and located between the cutter and the partition plate, one end of the pressing plate is fixedly connected with the rotating shaft, and one side of the pressing plate is higher than the other side of the pressing plate.

After the clamp plate sets up, pivot pivoted in-process clamp plate also can rotate, because one side of clamp plate is higher than the opposite side, when the clamp plate contacts sweet potato mud, the one end that the clamp plate is low can extrude sweet potato mud for the sweet potato mud is extruded from the extrusion hole more easily.

The preferable scheme is four: as a further optimization of the basic scheme or the preferred scheme III, a shifting shaft is rotatably connected in the partition plate, one end of the shifting shaft penetrates through the extrusion hole, the other end of the shifting shaft is positioned at the outer wall of the cutting barrel, a rotary button is arranged on the outer wall of the cutting barrel, and the rotary button is fixedly connected with the shifting shaft; the part of the shifting shaft in the extrusion hole is provided with a shifting rod.

The poking shaft is arranged mainly for preventing the sweet potato paste from blocking the extrusion hole; when the novel potato extruding machine is used, the rotating button is rotated, the shifting shaft can rotate at the moment, the shifting rod on the shifting shaft can also rotate, and the shifting rod is located in the extruding hole, so that the sweet potato mud in the extruding hole can be shifted by the shifting rod, and the extruding hole is prevented from being plugged by the sweet potato mud.

Drawings

FIG. 1 is a schematic structural view of a sweet potato candy blender of the present invention;

FIG. 2 is a top plan view of the outer ring gear of FIG. 1;

fig. 3 is a partially enlarged view of the separator of fig. 1.

Detailed Description

The present invention will be described in further detail below by way of specific embodiments:

reference numerals in the drawings of the specification include: cutting barrel 1, feed opening 11, rotating shaft 12, motor 121, driving gear 122, discharge opening 13, blade 131, fixed shaft 1311, outer gear ring 132, connecting rod 133, sieve basket 14, cutter 15, knife rest 151, transverse blade 152, vertical blade 153, stirring rod 154, partition 16, extrusion hole 161, stirring shaft 162, rotating button 163, shift lever 164, stirring rod 17, pressing plate 18 and cover 19.

As shown in figures 1 and 2, the sweet potato candy blender comprises a closed cutting barrel 1, wherein the upper part of the cutting barrel 1 is obliquely provided with a feeding hole 11; a rotating shaft 12 driven by a motor 121 is arranged in the cutting barrel 1, and the upper end of the rotating shaft 12 penetrates through the upper end of the cutting barrel 1 and is connected with the motor 121; the lower end of the rotating shaft 12 is rotatably connected with the bottom surface of the cutting barrel 1, a driving gear 122 is sleeved on the lower end of the rotating shaft 12, and the rotating shaft 12 is fixedly connected with the inner ring of the driving gear 122. The bottom surface of the cutting barrel 1 is provided with a discharging hole 13, a spiral blade 131 is rotationally connected in the discharging hole 13, and the edge of the blade 131 is contacted with the wall of the discharging hole 13; a fixed shaft 1311 is fixedly connected to the center of the blade 131, and two connecting rods 133 are fixedly connected to the upper end of the fixed shaft 1311; the inner wall of the bottom surface of the cutting barrel 1 is provided with an outer gear ring 132, the outer gear ring 132 is positioned at the discharge hole 13, the upper end of a fixed shaft 1311 is positioned in the outer gear ring 132, and the fixed shaft 1311 is connected with the inner wall of the outer gear ring 132 through a connecting rod 133.

In addition, in order to facilitate the observation of the inside of the cutting barrel 1, the top surface of the cutting barrel 1 is provided with an observation port, and a cover 19 is arranged on the observation port; in order to prevent the sweet potatoes and the sticky rice from sticking to the barrel wall, the cover 19 can be opened and a little oil can be sprayed on the inner wall of the cutting barrel 1 and the cutting knife 15 before stirring.

The discharge end of the discharge hole 13 is detachably connected with a sieve basket 14 formed by a steel wire mesh; when the cutting device is arranged, two sliding chutes are fixedly connected to the outer wall of the bottom surface of the cutting barrel 1, and the two sliding chutes are respectively positioned at two sides of the discharge hole 13; the upper edge of the sieve basket 14 is fixedly connected with two insertion bulges matched with the sliding grooves for use, and when the sieve basket is used, the insertion bulges are aligned to the sliding grooves and inserted into the sliding grooves to fix the sieve basket 14. The part of the rotating shaft 12 in the cutting barrel 1 is provided with a cutting knife 15 which can beat and stir the cut sweet potatoes.

The cutter 15 comprises a cutter frame 151, a transverse blade 152, a vertical blade 153 and a stirring rod 154; the tool holders 151 are all rectangular frames, the rotating shaft 12 penetrates through the vertical center line of the tool holders 151, and the rotating shaft 12 is fixedly connected with the tool holders 151; the vertical blade 153 and the transverse blade 152 are provided with cutting edges at the periphery; the number of the vertical blades 153 is multiple, the vertical blades 153 are arranged on the tool holder 151 at intervals, two short edges of each vertical blade 153 are fixedly connected with the upper edge and the lower edge of the tool holder 151 respectively, and the short edges of the vertical blades 153 are perpendicular to the upper edge and the lower edge of the tool holder 151; each vertical blade 153 is connected with a plurality of transverse blades 152, and each transverse blade 152 has a blade edge facing the upper part of the cutting barrel 1; the number of the stirring rods 154 is multiple, the stirring rods 154 are obliquely arranged on the side surface of the knife rest 151 from top to bottom, the lowest end of the stirring rods 154 is fixedly connected with the side surface of the knife rest 151, and the length of the stirring rods 154 is sequentially increased from top to bottom; the feed opening 11 is located above the uppermost stirring rod 154.

As shown in fig. 1 and 3, a partition plate 16 is fixedly connected in the cutting barrel 1, the partition plate 16 is located below the cutting knife 15, the partition plate 16 is rotatably connected with the rotating shaft 12, a plurality of extrusion holes 161 are uniformly arranged on the partition plate 16, and the extrusion holes 161 are uniformly distributed on the partition plate 16. The inner wall of the extrusion hole 161 is uniformly provided with extrusion blades; the extrusion hole 161 is funnel-shaped, a wide opening end of the extrusion hole 161 is close to the cutter 15, and a narrow opening end of the extrusion hole 161 is close to the bottom surface of the cutting hole. The part of the rotating shaft 12 below the partition 16 is fixedly connected with a stirring rod 17.

A shifting shaft 162 is rotatably connected in the partition plate 16, one end of the shifting shaft 162 penetrates through the extrusion hole 161, the other end of the shifting shaft 162 is positioned at the outer wall of the cutting barrel 1, a rotary button 163 is arranged at the outer wall of the side surface of the cutting barrel 1, and the rotary button 163 is fixedly connected with the shifting shaft 162; a shift lever 164 is fixedly coupled to a portion of the shift shaft 162 located within the pressing hole 161. The dial shaft 162 is arranged mainly for preventing the sweet potato paste from blocking the extrusion hole 161; when the sweet potato extruder is used, the rotating button 163 is rotated, the shifting shaft 162 can be rotated at the moment, the shifting rod 164 on the shifting shaft 162 can also be rotated, and the shifting rod 164 is located in the extrusion hole 161, so that the shifting rod 164 can shift sweet potato mud in the extrusion hole 161, and the extrusion hole 161 is prevented from being blocked by the sweet potato mud.

The cutting barrel 1 is also internally provided with a pressing plate 18, the pressing plate 18 is positioned between the cutter 15 and the partition plate 16, one end of the pressing plate 18 is fixedly connected with the rotating shaft 12, one side of the pressing plate 18 is higher than the other side, namely, the pressing plate 18 is arranged in a high-left and low-right manner. After the pressing plate 18 is arranged, the pressing plate 18 can also rotate in the rotating process of the rotating shaft 12, and because one side of the pressing plate 18 is higher than the other side, when the pressing plate 18 contacts with the mashed sweet potatoes, the lower end of the pressing plate 18 can extrude the mashed sweet potatoes, so that the mashed sweet potatoes are extruded from the extrusion holes 161 more easily.

When the sweet potato cutter is used, the motor 121 is turned on, the motor 121 drives the rotating shaft 12 to rotate, sweet potatoes are placed into the feeding hole 11, the sweet potatoes roll into the cutting barrel 1 along the feeding hole 11, when the sweet potatoes are contacted with the cutter 15, the sweet potatoes are firstly contacted with the stirring rod 154 of the rotating cutter 15, because the stirring rod 154 is located on the outermost side, the sweet potatoes are beaten by the stirring rod 154 at the moment, because the stirring rod 154 is provided with a plurality of stirring rods 154, the stirring rod 154 is obliquely arranged on the side surface of the cutter frame 151 from top to bottom, the lowest end of the stirring rod 154 is fixedly connected with the side surface of the cutter frame 151, the length of the stirring rod 154 is sequentially increased from top to bottom, so that the sweet potatoes can be beaten by the rotating stirring rod 154 when entering the cutting barrel 1, and then roll to the vertical blade 153 and the transverse blade 152 along the stirring rod 154, and the vertical blade 153 and the transverse blade 152 can vertically and; simultaneously, after the sweet potato is stirred the bits of broken glass and forms sweet potato mud, the blade is at the pivoted in-process, and the sweet potato mud can follow the clearance process between vertical blade 153 and the horizontal blade 152, can carry out once extrusion by sweet potato mud this moment for sweet potato mud is once more extruded, realizes the first bits of broken glass of sweet potato. On the baffle 16 can be dropped to the sweet potato mud after the bits of broken glass, pivot 12 pivoted in-process clamp plate 18 also can rotate, because one side of clamp plate 18 is higher than the opposite side, when clamp plate 18 contacted sweet potato mud, the one end that clamp plate 18 is low can extrude the sweet potato mud on the baffle 16 for the sweet potato mud is extruded from extrusion hole 161 more easily. The mashed sweet potatoes are cut by the extrusion blade in the extrusion hole 161 when passing through the extrusion hole 161, so that the mashed sweet potatoes extruded from the extrusion hole 161 are prevented from lumping, and the secondary crushing of the sweet potatoes is realized; simultaneously, can rotate a rotation button 163 at an interval, dial the axle 162 and can rotate this moment, dial the epaxial driving lever 164 of axle 162 and also can rotate, because driving lever 164 is located extrusion hole 161, therefore the sweet potato mud in extrusion hole 161 can be dialled to driving lever 164, prevents that sweet potato mud from plugging up extrusion hole 161. When sweet potato mud falls into baffle 16 below from extrusion hole 161, sweet potato mud can follow discharge opening 13 and flow, in the in-process that flows because blade 131 in discharge opening 13 is rotatory, consequently spiral blade 131 can be with sweet potato mud toward delivering outside, sweet potato mud is in through the basket 14 that sieves, because spiral blade 131 can extrude the sweet potato mud that is located sieve basket 14, make sweet potato mud extruded from sieve basket 14's clearance department, and then realize the third time of sweet potato and stir-fry, and whole in-process sweet potato and glutinous rice are mixed together always, both can the misce bene.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The sweet potato shred sugar mixer is characterized by comprising a closed cutting barrel (1), wherein the upper part of the cutting barrel (1) is obliquely provided with a feed hole (11); a rotating shaft (12) driven by a motor (121) is arranged in the cutting barrel (1); the lower end of the rotating shaft (12) is provided with a driving gear (122), the bottom surface of the cutting barrel (1) is provided with a discharge hole (13), a spiral blade (131) is arranged in the discharge hole (13), and the edge of the blade (131) is in contact with the wall of the discharge hole (13); a fixed shaft (1311) is fixedly connected to the center of the blade (131), an outer gear ring (132) is arranged above the discharge hole (13), the upper end of the fixed shaft (1311) is located in the outer gear ring (132), and a connecting rod (133) is fixedly connected between the fixed shaft (1311) and the inner wall of the outer gear ring (132); the bottom of the discharge hole (13) is detachably connected with a sieve basket (14) formed by a steel wire mesh; a cutting knife (15) capable of beating and stirring sweet potatoes for cutting is arranged at the part of the rotating shaft (12) positioned in the cutting barrel (1); the rotating shaft (12) is rotatably connected with a partition plate (16), and the partition plate (16) is positioned below the cutter (15); the partition plate (16) is provided with extrusion holes (161), and the inner walls of the extrusion holes (161) are uniformly provided with extrusion blades; the rotating shaft (12) is positioned below the clapboard (16) and is provided with a stirring rod (17); the extrusion hole (161) is funnel-shaped, the wide opening end of the extrusion hole (161) is close to the cutter (15), and the narrow opening end of the extrusion hole (161) is close to the bottom surface of the cutting hole;

the cutting knife (15) comprises a knife rest (151), a transverse blade (152), a stirring rod (154) and a rectangular vertical blade (153); the tool holders (151) are multiple, the tool holders (151) are rectangular frames, the rotating shaft (12) penetrates through the vertical center line of the tool holders (151), and the rotating shaft (12) is fixedly connected with the tool holders (151); the peripheries of the vertical blade (153) and the transverse blade (152) are provided with cutting edges; the number of the vertical blades (153) is multiple, the vertical blades (153) are arranged on the knife rest (151) at intervals, each vertical blade (153) is connected with a plurality of the transverse blades (152), and each transverse blade (152) is provided with a cutting edge facing the upper part of the cutting barrel (1); the stirring rods (154) are arranged in a plurality, the stirring rods (154) are obliquely arranged on the side surface of the knife rest (151) from top to bottom, the lowest end of each stirring rod (154) is fixedly connected with the side surface of the knife rest (151), and the length of each stirring rod (154) is sequentially increased from top to bottom; the feeding hole (11) is positioned above the uppermost stirring rod (154); the number of the extrusion holes (161) is multiple, and the extrusion holes (161) are uniformly distributed on the partition plate (16);

a pressing plate (18) is arranged in the cutting barrel (1), the pressing plate (18) is positioned between the cutter (15) and the partition plate (16), one end of the pressing plate (18) is fixedly connected with the rotating shaft (12), and one side of the pressing plate (18) is higher than the other side; a shifting shaft (162) is rotatably connected in the partition plate (16), one end of the shifting shaft (162) penetrates through the extrusion hole (161), the other end of the shifting shaft (162) is located on the outer wall of the cutting barrel (1), a rotary button (163) is arranged on the outer wall of the cutting barrel (1), and the rotary button (163) is fixedly connected with the shifting shaft (162); the part of the shifting shaft (162) positioned in the extrusion hole (161) is provided with a shifting lever (164).