CN118874623A - A crushing device for processing potato starch - Google Patents

Abstract

The invention relates to the technical field of processing potato starch, and discloses a pulverizing device for processing potato starch, comprising a shell, a screening mechanism is arranged inside the shell, a pulverizing mechanism is arranged inside the screening mechanism, a feed plate is installed at the rear end of the shell, a rasp is arranged at the lower end of the shell, a discharge port is opened at the lower end of the rasp, and a confluence pool is arranged below the discharge port. The advantages of the invention are that the processing amount of potato pulverization per unit time can be increased, and large potato blocks can be transported into a rotary drum through a screening belt and an inclined plate, and cut into blocks again, so as to ensure that the potato blocks are fully broken, the starch particles are fully released, and the production quality is improved.

Description

A crushing device for processing potato starch

Technical Field

The invention relates to the technical field of processing potato starch, in particular to a pulverizing device for processing potato starch.

Background Art

Potato starch is obtained by crushing, filtering, and settling clean potatoes, and then drying the precipitate. It can be used as a thickener. The process of producing potato starch includes multiple steps, among which crushing equipment plays an important role in potato starch production.

In the process of potato crushing, there may be incomplete crushing and large pieces of potato may appear. However, when large pieces of potato enter the rasp mill for crushing, it may affect the crushing effect, thereby affecting the release of starch. In addition, while maintaining the crushing quality, it is also necessary to improve production efficiency to ensure operational benefits. For this reason, we propose a crushing equipment for processing potato starch.

Summary of the invention

The present invention adopts the following technical scheme to solve the above technical problems: a pulverizing device for processing potato starch is provided, comprising an outer shell, a screening mechanism is arranged on the inner side of the outer shell, a pulverizing mechanism is arranged on the inner side of the screening mechanism, a feed plate is installed at the rear end of the outer shell, a rasp is arranged at the lower end of the outer shell, a discharge port is opened at the lower end of the rasp, a confluence pool is arranged below the discharge port, the pulverizing mechanism comprises a rotating drum, the upper end of the rotating drum is movably connected to the feed plate, a plurality of groups of tooth blocks are arranged on the outer side of the rotating drum, a pulverizing chamber is rotatably connected to the lower end of the rotating drum, and a plurality of groups of paddles are fixedly connected to the inner side of the rotating drum.

Preferably, a plurality of groups of fixed blocks are fixedly connected to the inner side of the crushing chamber, an inner cylinder is fixedly connected between the plurality of groups of fixed blocks, a plurality of groups of connecting grooves are provided on the outer side of the inner cylinder, a top plate is fixedly connected to the upper end of the inner cylinder, and a second motor is installed on the inner side of the top plate.

Preferably, the output end of the second motor is fixedly connected with a connecting block, the lower end of the connecting block is fixedly connected with a tooth plate, a plurality of groups of cutting block components are arranged on the outer side of the tooth plate, the cutting block component includes a connecting rod and a first fixed plate, one side of the first fixed plate is fixedly connected to the inner wall of the inner cylinder, the outer side of the connecting rod is fixedly connected with a blade 1, and the blade 1 is movably connected to the inner side of the connecting groove.

Preferably, the outer side of the connecting rod is rotatably connected to two groups of second fixed plates, one side of the second fixed plate is fixedly connected to the inner wall of the inner cylinder, one end of the connecting rod passes through the second fixed plate and is fixedly connected to pulley three, the inner side of the first fixed plate is rotatably connected to the first bevel gear, one end of the first bevel gear passes through the first fixed plate and is fixedly connected to pulley four, and pulley four and the outer side of pulley three are rotatably connected to a second belt.

Preferably, the upper end of the first bevel gear is meshed with the second bevel gear, the upper end of the second bevel gear is fixedly connected to the second rotating block, the outer side of the second rotating block is rotatably connected to the third fixed plate, one side of the third fixed plate is fixedly connected to the inner wall of the inner cylinder, the upper end of the second rotating block is fixedly connected to the second gear through the third fixed plate, and the second gear is meshed with the gear plate.

Preferably, a cutting block component 2 is provided at the lower end of the tooth plate, and the cutting block component 2 includes a rotating rod, and multiple groups of blades 2 are installed on the outer side of the rotating rod. The lower end of the rotating rod is rotatably connected to a mounting seat, and four groups of fixing rods are installed on the outer side of the mounting seat. The fixing rods are fixedly connected to the inner wall of the crushing chamber.

Preferably, the screening mechanism includes two groups of mutually symmetrical connecting components, the connecting components include a conveyor belt, the inner side of the conveyor belt is rotatably connected to the first roller, the second roller, the third roller, and the fourth roller, the front end of the first roller passes through the outer shell and is fixedly connected to the pulley one, the front end of the second roller passes through the outer shell and is fixedly connected to the pulley two, and the outer sides of the pulley one and the pulley two are rotatably connected to the first belt together.

Preferably, the front end of the shell is fixedly connected to a fixed seat, a first motor is installed on the inner side of the fixed seat, the output end of the first motor is fixedly connected to a pulley, a screening belt is fixedly connected between the two groups of conveyor belts, circular holes are provided on the surface of the screening belt, and multiple groups of inclined plates are installed on the inner side of the screening belt.

Preferably, the inner side of the screening belt is rotatably connected with multiple groups of first rotating blocks, the lower end of the first rotating block passes through the screening belt and is fixedly connected with a rotating plate, the upper end of the first rotating block passes through the screening belt and is fixedly connected with a first gear, the upper end of the screening belt is provided with a first rack, the first rack is fixedly connected to the outer shell, the lower end of the screening belt is provided with a second rack, the second rack is fixedly connected to the outer shell, and the first gear is meshed with the first rack and the second rack.

Preferably, a support seat is fixedly connected to the outer side of the crushing chamber, the upper end of the support seat is fixedly connected to the feed plate, a third motor is installed on the inner side of the support seat, the output end of the third motor is fixedly connected to a third gear, the third gear is meshed with the gear block, and the lower end of the support seat is fixedly connected to a rod frame, and the rod frame is located behind the file grinder.

Compared with the prior art, the present invention provides a pulverizing device for processing potato starch, which has the following beneficial effects:

1. A pulverizing device for processing potato starch, by putting potatoes into a rotating drum, and with the movement of the paddle, the potatoes piled on the top plate are evenly pushed down, and after the potatoes fall into the inner side of the pulverizing chamber, they are crushed by the cutting component 1 and the cutting component 2. By designing the pulverizing chamber to be circular, and redesigning and combining the blade 1 and the blade 2, multiple potatoes can fall and be cut at the same time, thereby improving the processing volume of potato pulverization per unit time.

2. This is a crushing device for processing potato starch. After the potato falls into the inner side of the crushing chamber, it will first be vertically rotated by blade 1 to perform rotary cutting on the potato, and then horizontally rotated by blade 2 to perform a second crushing treatment on the potato pieces after rotary cutting. The potato pieces broken into small pieces will pass through the screening belt and fall into the file grinder. The large potato pieces that have not passed will be transported to the rotary drum through the screening belt and the inclined plate and cut into pieces again to ensure that the potato pieces are fully crushed and the starch particles are fully released.

3. A crushing device for processing potato starch. When the crushed potato pieces fall onto the screening belt, as the screening belt continues to operate, when the first gear and the second rack are meshed, the rotating plate will be prompted to rotate to move the potato pieces to avoid accumulation that affects the screening of small pieces of potato. When the first gear and the first rack are meshed, the rotating plate will rotate again. At this time, the rotating plate can scrape off the potato pieces adhering to the inner side of the screening belt, causing them to fall into the rotating drum for crushing.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of the present invention;

FIG2 is a partial structural schematic diagram of the present invention;

FIG3 is an enlarged schematic diagram of the structure of part A in FIG1 of the present invention;

FIG4 is a second schematic diagram of a partial structure of the present invention;

FIG5 is a schematic diagram of a screening mechanism of the present invention;

FIG6 is a schematic structural diagram of part B in FIG5 of the present invention;

Fig. 7 is a cross-sectional view of the screening mechanism of the present invention;

FIG8 is a third schematic diagram of a partial structure of the present invention;

FIG9 is a second schematic diagram of the screening mechanism of the present invention;

FIG10 is a cross-sectional view of a crushing mechanism according to the present invention;

FIG11 is a second cross-sectional view of the pulverizing mechanism of the present invention;

FIG12 is a schematic diagram of the first structure of a pulverizing mechanism of the present invention;

FIG. 13 is a second schematic diagram of the partial structure of the pulverizing mechanism of the present invention.

In the figure: 1, shell; 2, screening mechanism; 21, connecting assembly; 211, conveyor belt; 212, first roller; 213, second roller; 214, third roller; 215, fourth roller; 216, pulley 1; 217, pulley 2; 218, first belt; 219, fixed seat; 2110, first motor; 2111, screening belt; 2112, inclined plate; 2113, first rotating block; 2114, rotating plate; 2115, first gear; 2116, first rack; 2117, second rack; 3, crushing mechanism; 31, rotating drum; 32, gear block; 33, crushing chamber; 34, paddle; 35, fixed block; 36, inner drum; 37, connecting groove; 38, top plate; 39, second motor; 3 10. Connecting block; 311. Tooth plate; 312. Cutting block assembly one; 3121. Connecting rod; 3122. First fixed plate; 3123. Blade one; 3124. Second fixed plate; 3125. Pulley three; 3126. First bevel gear; 3127. Pulley four; 3128. Second belt; 3129. Second bevel gear; 31210. Second rotating block; 31211. Third fixed plate; 31212. Second gear; 313. Cutting block assembly two; 3131. Rotating rod; 3132. Blade two; 3133. Mounting seat; 3134. Fixed rod; 4. Feed plate; 5. Rasp; 6. Discharge port; 7. Confluence pool; 8. Support seat; 9. Third motor; 10. Third gear; 11. Rod holder.

DETAILED DESCRIPTION

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

Please refer to Figures 1 to 13, a pulverizing device for processing potato starch includes a shell 1, a screening mechanism 2 is provided on the inner side of the shell 1, a pulverizing mechanism 3 is provided on the inner side of the screening mechanism 2, a feed plate 4 is installed at the rear end of the shell 1, a rasp 5 is provided at the lower end of the shell 1, a discharge port 6 is provided at the lower end of the rasp 5, a confluence pool 7 is provided below the discharge port 6, the pulverizing mechanism 3 includes a rotating drum 31, the upper end of the rotating drum 31 is movably connected to the feed plate 4, a plurality of groups of tooth blocks 32 are provided on the outer side of the rotating drum 31, a pulverizing chamber 33 is rotatably connected to the lower end of the rotating drum 31, and a plurality of groups of paddles 34 are fixedly connected to the inner side of the rotating drum 31.

In this embodiment, a plurality of fixed blocks 35 are fixedly connected to the inner side of the crushing chamber 33, an inner cylinder 36 is fixedly connected between the plurality of fixed blocks 35, a plurality of connecting grooves 37 are provided on the outer side of the inner cylinder 36, a top plate 38 is fixedly connected to the upper end of the inner cylinder 36, a second motor 39 is installed on the inner side of the top plate 38, a connecting block 310 is fixedly connected to the output end of the second motor 39, a tooth plate 311 is fixedly connected to the lower end of the connecting block 310, a plurality of cutting block components 312 are arranged on the outer side of the tooth plate 311, the cutting block component 312 includes a connecting rod 3121 and a first fixed plate 3122, one side of the first fixed plate 3122 is fixedly connected to the inner wall of the inner cylinder 36, a blade 3123 is fixedly connected to the outer side of the connecting rod 3121, and the blade 3123 is movably connected to the inner side of the connecting groove 37.

Specifically, the blade 1 3123 rotates vertically. When rotating, it rotates from the inner side of the inner cylinder 36 to the outer side of the inner cylinder 36 through the connecting groove 37 to peel the potato pieces in the crushing chamber 33. The potatoes will fall onto the top plate 38 through the feed plate 4. Under the rotation of the rotating cylinder 31, the paddle 34 will push the piled potatoes apart one by one, so that they fall evenly into the crushing chamber 33.

In this embodiment, the outer side of the connecting rod 3121 is rotatably connected to two sets of second fixing plates 3124, one side of the second fixing plate 3124 is fixedly connected to the inner wall of the inner cylinder 36, one end of the connecting rod 3121 passes through the second fixing plate 3124 and is fixedly connected to the pulley three 3125, the inner side of the first fixing plate 3122 is rotatably connected to the first bevel gear 3126, one end of the first bevel gear 3126 passes through the first fixing plate 3122 and is fixedly connected to the pulley four 3127, and the pulley four 3127 rotates together with the outer side of the pulley three 3125 The second bevel gear 3129 is meshed with the second bevel gear 3129, and the second bevel gear 3129 is fixedly connected to the second rotating block 31210. The outer side of the second rotating block 31210 is rotatably connected to the third fixed plate 31211, and one side of the third fixed plate 31211 is fixedly connected to the inner wall of the inner cylinder 36. The upper end of the second rotating block 31210 passes through the third fixed plate 31211 and is fixedly connected to the second gear 31212, and the second gear 31212 is meshed with the tooth plate 311.

Specifically, the second motor 39 is started, and the second motor 39 drives the tooth plate 311 to rotate counterclockwise. The tooth plate 311 engages with the second gear 31212 and causes the pulley four 3127 to rotate through a series of gear transmissions. When the pulley four 3127 rotates, the pulley three 3125 is rotated through the connection of the second belt 3128, and then the connecting rod 3121 drives the blade one 3123 to rotate vertically, so that the falling potatoes are subjected to the first peeling process.

In this embodiment, a cutting block assembly 2 313 is provided at the lower end of the tooth plate 311, and the cutting block assembly 2 313 includes a rotating rod 3131, and multiple groups of blades 2 3132 are installed on the outer side of the rotating rod 3131. The lower end of the rotating rod 3131 is rotatably connected to a mounting seat 3133, and four groups of fixing rods 3134 are installed on the outer side of the mounting seat 3133. The fixing rods 3134 are fixedly connected to the inner wall of the crushing chamber 33.

Specifically, after the potato pieces that have undergone the first dicing process continue to fall to the area of the second dicing component 313, while the dicing component 1 312 is working, the dicing component 2 313 also works at the same time under the connection of the tooth plate 311, and the tooth plate 311 rotates to drive the rotating rod 3131 to rotate, so that the second blade 3132 rotates horizontally to perform a second dicing process on the potato pieces.

In this embodiment, the screening mechanism 2 includes two groups of symmetrical connecting components 21, and the connecting component 21 includes a conveyor belt 211. The inner side of the conveyor belt 211 is rotatably connected with a first roller 212, a second roller 213, a third roller 214, and a fourth roller 215. The front end of the first roller 212 passes through the outer shell 1 and is fixedly connected with a pulley 1 216. The front end of the second roller 213 passes through the outer shell 1 and is fixedly connected with a pulley 217. The outer sides of the pulley 1 216 and the pulley 2 217 are rotatably connected with a first belt 218. The front end of the outer shell 1 is fixedly connected with a fixing seat 219, and a first motor 2110 is installed on the inner side of the fixing seat 219. The output end of the first motor 2110 is fixedly connected to the pulley 1 216. A screening belt 2111 is fixedly connected between the two groups of conveyor belts 211. The surface of the screening belt 2111 is provided with round holes, and a plurality of inclined plates 2112 are installed on the inner side of the screening belt 2111.

Specifically, the cut potatoes will all fall onto the screening belt 2111, and the first motor 2110 will be started. Under the rotation connection between the pulley 1 216 and the pulley 217, the conveyor belt 211 will start to run with the screening belt 2111. During the operation of the screening belt 2111, the fallen potato pieces will move together. When the first gear 2115 and the second rack 2117 are engaged, the rotating plate 2114 will be driven to rotate, and the potato pieces on the inner side of the screening belt 2111 will be moved, so that small potato pieces can fall into the rasp machine 5 through the screening belt 2111 for rasp, while large potato pieces will follow the movement of the screening belt 2111 to the top of the crushing mechanism 3 under the connection of the inclined plate 2112, and then fall into the inner side of the rotating drum 31 again.

In this embodiment, the inner side of the screening belt 2111 is rotatably connected to multiple groups of first rotating blocks 2113, the lower end of the first rotating block 2113 passes through the screening belt 2111 and is fixedly connected to a rotating plate 2114, the upper end of the first rotating block 2113 passes through the screening belt 2111 and is fixedly connected to a first gear 2115, the upper end of the screening belt 2111 is provided with a first rack 2116, the first rack 2116 is fixedly connected to the outer shell 1, the lower end of the screening belt 2111 is provided with a second rack 2117, the second rack 2117 is fixedly connected to the outer shell 1, and the first gear 2115 is meshed with the first rack 2116 and the second rack 2117.

Specifically, as the screening belt 2111 continues to operate, when the first gear 2115 is meshed with the second rack 2117, the rotating plate 2114 is prompted to rotate, and the potato pieces are moved to avoid accumulation that affects the screening of small pieces of potato. When the first gear 2115 is meshed with the first rack 2116, the rotating plate 2114 rotates again. At this time, the rotating plate 2114 can scrape off the potato pieces adhering to the inner side of the screening belt 2111, causing them to fall into the rotating drum 31 and then be crushed.

In this embodiment, a support seat 8 is fixedly connected to the outer side of the crushing chamber 33, the upper end of the support seat 8 is fixedly connected to the feed plate 4, a third motor 9 is installed on the inner side of the support seat 8, the output end of the third motor 9 is fixedly connected to the third gear 10, the third gear 10 is meshed with the gear block 32, and the lower end of the support seat 8 is fixedly connected to a rod frame 11, and the rod frame 11 is located behind the file grinder 5.

Specifically, the potato pieces screened by the screening belt 2111 will enter the inner side of the rasp machine 5, be thoroughly rubbed and crushed, and then be mixed with clean water by adding water, and then flow into the inner side of the confluence pool 7 to complete the crushing process in the potato starch processing process.

When in use, the cleaned potatoes are put into the feed plate 4 in turn, and then the potatoes will roll into the inner side of the rotating drum 31, and the third motor 9 is started, and the third motor 9 drives the third gear 10 to rotate, and by meshing with the tooth block 32, the rotating drum 31 is caused to rotate, and the paddle 34 is moved to poke the potatoes piled together so that they fall evenly to avoid jamming, and then the second motor 39 is started at the same time, and the second motor 39 drives the tooth plate 311 to rotate counterclockwise, and the tooth plate 311 is meshed with the second gear 31212, and a series of gear transmissions are used to drive the pulley four 3127 to rotate, and the pulley four When the second belt 3128 is connected, the pulley 3125 is rotated, so that the connecting rod 3121 drives the blade 1 3123 to rotate vertically, and the falling potatoes are subjected to the first peeling process. After the potato pieces that have been subjected to the first dicing process continue to fall to the area of the dicing component 2 313, while the dicing component 1 312 is working, the dicing component 2 313 is also working under the connection of the tooth plate 311. The tooth plate 311 rotates to drive the rotating rod 3131 to rotate, so that the blade 2 3132 rotates horizontally, and the potato pieces are subjected to the second dicing process. Then, the potato pieces that have been diced continue to fall to the area of the dicing component 2 313. The potatoes will all fall onto the screening belt 2111, and the first motor 2110 is started. Under the rotation connection of the pulley 1 216 and the pulley 217, the conveyor belt 211 starts to move with the screening belt 2111. During the operation of the screening belt 2111, the potato pieces that fall down will move together. When the first gear 2115 and the second rack 2117 are engaged, the rotating plate 2114 will be driven to rotate, and the potato pieces on the inner side of the screening belt 2111 will be moved, so that the small potato pieces can pass through the screening belt 2111 and fall into the rasp machine 5 for rasp, while the large potato pieces will be on the inclined plate. Under the connection of 2112, it follows the movement of the screening belt 2111 to the top of the crushing mechanism 3, and then falls into the inner side of the rotating drum 31 to be cut together with the newly added potatoes. At the same time, the first gear 2115 is meshed with the first rack 2116, and the rotating plate 2114 rotates again to scrape the potato pieces adhering to the inner side of the screening belt 2111 and make them fall into the inner side of the rotating drum 31. The above operation can be continued. The potato pieces screened by the screening belt 2111 are uniformly entered into the inner side of the rasp machine 5 for thorough grating and crushing, and then mixed with clean water by adding water and flow into the inner side of the confluence pool 7.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A comminuting device for processing potato starch, comprising a housing (1), characterized in that: the utility model discloses a grinding machine, including shell (1), screening mechanism (2) are provided with to the inboard of shell (1), screening mechanism (2) are provided with grinding mechanism (3), feed plate (4) are installed to the rear end of shell (1), the lower extreme of shell (1) is provided with rasp mill (5), discharge gate (6) have been seted up to the lower extreme of rasp mill (5), the below of discharge gate (6) is provided with confluence pool (7), grinding mechanism (3) are including rotary drum (31), the upper end and feed plate (4) swing joint of rotary drum (31), the outside of rotary drum (31) is provided with multiunit tooth piece (32), the lower extreme rotation of rotary drum (31) is connected with crushing chamber (33), the inboard fixedly connected with multiunit plectrum piece (34) of rotary drum (31), the inboard fixedly connected with multiunit fixed block (35), common fixedly connected with inner tube (36) between fixed block (35), multiunit connecting groove (37) have been seted up in the outside of inner tube (36), upper end motor (39) are connected with second roof (39), the lower end of the connecting block (310) is fixedly connected with a toothed plate (311), the outer side of the toothed plate (311) is provided with a plurality of groups of cutting assemblies I (312), the cutting assemblies I (312) comprise a connecting rod (3121) and a first fixing plate (3122), one side of the first fixing plate (3122) is fixedly connected with the inner wall of the inner cylinder (36), the outer side of the connecting rod (3121) is fixedly connected with a blade I (3123), the blade I (3123) is movably connected with the inner side of the connecting groove (37), the screening mechanism (2) comprises two groups of mutually symmetrical connecting assemblies (21), the connecting assembly (21) comprises a conveying belt (211), a first rotating roller (212), a second rotating roller (213), a third rotating roller (214) and a fourth rotating roller (215) are rotatably connected to the inner side of the conveying belt (211), the front end of the first rotating roller (212) penetrates through the shell (1) and is fixedly connected with a first belt wheel (216), the front end of the second rotating roller (213) penetrates through the shell (1) and is fixedly connected with a second belt wheel (217), and the first belt (218) is rotatably connected with the outer side of the second belt wheel (217) in a combined mode.

2. A comminution apparatus for processing potato starch as claimed in claim 1, characterized in that: the outside rotation of connecting rod (3121) is connected with two sets of second fixed plates (3124), one side of second fixed plate (3124) and the inner wall fixed connection of inner tube (36), the one end of connecting rod (3121) passes second fixed plate (3124) fixedly connected with band pulley III (3125), the inboard rotation of first fixed plate (3122) is connected with first bevel gear (3126), the one end of first bevel gear (3126) passes first fixed plate (3122) fixedly connected with band pulley IV (3127), band pulley IV (3127) rotate jointly with the outside of band pulley III (3125) and are connected with second belt (3128).

3. A comminution apparatus for processing potato starch as claimed in claim 2, characterized in that: the upper end meshing of first bevel gear (3126) has second bevel gear (3129), the upper end fixedly connected with second commentaries on classics piece (31210) of second bevel gear (3129), the outside rotation of second commentaries on classics piece (31210) is connected with third fixed plate (31211), one side and inner wall fixed connection of inner tube (36) of third fixed plate (31211), the upper end of second commentaries on classics piece (31210) passes third fixed plate (31211) fixedly connected with second gear (31212), second gear (31212) and pinion rack (311) mesh.

4. A comminution apparatus for processing potato starch as claimed in claim 1, characterized in that: the lower extreme of pinion rack (311) is provided with cutting subassembly two (313), cutting subassembly two (313) are including bull stick (3131), multiunit blade two (3132) are installed in the outside of bull stick (3131), the lower extreme rotation of bull stick (3131) is connected with mount pad (3133), four sets of dead levers (3134) are installed in the outside of mount pad (3133), dead lever (3134) and the inner wall fixed connection in crushing chamber (33).

5. A comminution apparatus for processing potato starch as claimed in claim 1, characterized in that: the novel screening device is characterized in that the front end of the housing (1) is fixedly connected with the fixing seat (219), a first motor (2110) is installed on the inner side of the fixing seat (219), the output end of the first motor (2110) is fixedly connected with a belt wheel I (216), screening belts (2111) are fixedly connected between the two groups of conveying belts (211), round holes are formed in the surfaces of the screening belts (2111), and a plurality of groups of inclined plates (2112) are installed on the inner side of the screening belts (2111).

6. A comminution apparatus for processing potato starch as claimed in claim 5, characterized in that: the screening device is characterized in that a plurality of groups of first rotating blocks (2113) are connected to the inner side of the screening belt (2111) in a rotating mode, the lower ends of the first rotating blocks (2113) penetrate through the screening belt (2111) and are fixedly connected with rotating plates (2114), the upper ends of the first rotating blocks (2113) penetrate through the screening belt (2111) and are fixedly connected with first gears (2115), first racks (2116) are arranged at the upper ends of the screening belt (2111), the first racks (2116) are fixedly connected with the outer shell (1), second racks (2117) are arranged at the lower ends of the screening belt (2111), the second racks (2117) are fixedly connected with the outer shell (1), and the first gears (2115) are meshed with the first racks (2116) and the second racks (2117).

7. A comminution apparatus for processing potato starch as claimed in claim 5, characterized in that: the outside fixedly connected with supporting seat (8) of smashing chamber (33), the upper end and the charge-in board (4) fixed connection of supporting seat (8), third motor (9) are installed to the inboard of supporting seat (8), the output fixedly connected with third gear (10) of third motor (9), third gear (10) and tooth piece (32) mesh mutually, the lower extreme fixedly connected with pole frame (11) of supporting seat (8), pole frame (11) are located the rear of filing mill (5).