CN115625117A

CN115625117A - Food screening machine

Info

Publication number: CN115625117A
Application number: CN202211644295.7A
Authority: CN
Inventors: 叶穗青; 叶帝暖
Original assignee: Suzhou Vstar Autoweighing Co ltd
Current assignee: Chongqing Jiulai Food Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-01-20
Anticipated expiration: 2042-12-21
Also published as: CN115625117B

Abstract

The invention discloses a food screening machine, which belongs to the field of food processing and comprises a food screening machine, wherein the top of the food screening machine is fixedly communicated with a food conveying pipe, a screening mechanism is arranged inside the food screening machine, a conveying mechanism is arranged outside the food screening machine, the screening mechanism comprises a rotary support, a servo motor is fixedly connected to one side of the rotary support, a screening cylinder meshed with the servo motor is rotatably connected to the inner wall of the rotary support, an picking cylinder is rotatably connected to the inner wall of the screening cylinder, a screening auxiliary cylinder is fixedly connected to the outer side of the screening cylinder, and screening circular holes are formed in the inner walls of the screening cylinder and the screening auxiliary cylinder. According to the invention, after the screening cylinder and the screening auxiliary cylinder are driven by the servo motor to rotate, oranges fall between the screening cylinder and the screening auxiliary cylinder through the screening circular holes, and branches and leaves in the picking process are cut through the picking roller during the period, so that the branches and leaves can be removed while screening, and the effect of automatically removing the picked branches and leaves is achieved.

Description

Food screening machine

Technical Field

The invention relates to the technical field of food processing, in particular to a food screening machine.

Background

Food processing refers to grain grinding, feed processing, vegetable oil and sugar processing, slaughtering, meat processing, aquatic product processing, food processing activities of vegetables, fruits, nuts and the like, potato processing, dehydrated vegetable processing, vegetable can processing, and before food processing, food needs to be screened, and impurities and defective products in the food are removed and selected.

When picking the tangerine, often need to take the branch and leaf to deposit, it is direct to place the tangerine of variation in size together in the picking process, so before packing processing to the tangerine, need classify the screening to the tangerine as the standard according to the size, but present tangerine sieve separator is in the screening process, need sieve the tangerine size step by step, and still need be equipped with special branch and leaf extirpation device and get rid of the branch and leaf before the screening process, make the screening time increase, lead to the screening efficiency to reduce.

Therefore, we propose a food screening machine.

Disclosure of Invention

The invention aims to solve the problem that screening efficiency is reduced because the conventional orange size screening process needs to be carried out step by step and branches and leaves need to be removed by a special branch and leaf removing device before screening.

In order to achieve the purpose, the invention adopts the following technical scheme:

the food screening machine comprises a food screening machine, wherein a food conveying pipe is fixedly communicated with the top of the food screening machine, a screening mechanism is arranged in the food screening machine, and a conveying mechanism is arranged outside the food screening machine;

the screening mechanism comprises a rotating support, a servo motor is fixedly connected to one side of the rotating support, a screening cylinder meshed with the servo motor is rotatably connected to the inner wall of the rotating support, a picking cylinder is rotatably connected to the inner wall of the screening cylinder, a screening secondary cylinder is fixedly connected to the outer side of the screening cylinder, screening round holes are formed in the inner walls of the screening cylinder and the screening secondary cylinder, a picking shearing groove is formed in the inner wall of the picking cylinder, a shearing blade is slidably connected to the inner wall of the picking shearing groove, a telescopic arc-shaped connecting rod is fixedly connected to the outer side of the shearing blade, an arc-shaped buffer cylinder is hermetically connected to the inner side of the telescopic arc-shaped connecting rod, an air pressure connecting pipe is fixedly communicated with the side wall of the arc-shaped buffer cylinder, a one-way valve is fixedly connected to the outer side of the air pressure connecting pipe, and a sealing sleeve is rotatably connected to the outer side of the screening secondary cylinder;

conveying mechanism connects in the carriage of seal cover bobbin base portion including rotating, the layering funnel is carried to carriage's outside fixedly connected with, it has the transport slide rail to carry the outside grafting of layering funnel, the surface of transport slide rail rotates and is connected with the separation rotary rod, the bottom transmission of separation rotary rod is connected with the rotatory sleeve of label subsides, the surface that the rotatory sleeve of label subsides has cup jointed a label subsides section of thick bamboo, the surface that the label subsides a section of thick bamboo glues even has the label to paste, just the surface engagement that the rotatory sleeve of label subsides has and is not stained with paper reel and label corner reel, just carriage's outside fixedly connected with laminating slide bar, the inboard outside sliding connection who pastes with the label of laminating slide bar.

Preferably, the top fixedly connected with delivery funnel of food conveyer pipe, the outside of plucking the cylinder is rotated and is connected with the closure connecting cap, just the inboard fixedly connected with of closure connecting cap stabilizes the connecting rod, it is provided with a plurality ofly, and a plurality of it distributes in the inboard of closure connecting cap to stabilize the connecting rod rotation, the outside of closure connecting cap and the inner wall fixed connection of screening drum, delivery funnel's bottom and the inner space of plucking the cylinder are linked together.

Preferably, servo motor's output shaft fixedly connected with meshing gear train, the meshing gear train outside meshing has differential gear set, differential gear set comprises low-speed gear and high-speed gear, screening drum outside fixedly connected with transmission sleeve, just transmission sleeve meshes with meshing gear train through low-speed gear mutually, pluck the outside fixedly connected with transfer line of cylinder, the transfer line meshes with meshing gear train mutually through high-speed gear.

Preferably, the shearing blades are arranged in two groups, each group of the shearing blades is arranged in two groups, and the two shearing blades rotate relatively.

Preferably, the air pressure connecting pipe is arranged on the inner wall of the picking roller and is filled with air through the one-way valve, and the inner space of the air pressure connecting pipe is communicated with the arc-shaped buffer cylinder.

Preferably, the diameter of the screening round hole is gradually reduced from inside to outside, the screening round holes are arranged in a staggered mode, and the screening cylinder, the screening auxiliary cylinder and the picking roller are arranged in an inclined mode.

Preferably, the top of the conveying support is provided with a plurality of layers of guide sleeves, the outer sides of the plurality of layers of guide sleeves are rotatably connected with the outer sides of the screening cylinder and the screening secondary cylinder, and the other sides of the plurality of layers of guide sleeves are fixedly connected with the conveying layering funnel.

Preferably, the conveying slide rail is provided with a plurality of conveying slide rails, the height of the plurality of conveying slide rails is different, the outer side of each conveying slide rail is provided with a bent rail, and the bottom of the outer side of each conveying slide rail is lapped with a collecting frame.

Preferably, the outside fixedly connected with separation rotor plate of separation rotary rod, the bottom fixedly connected with drive roller bearing of separation rotary rod, the bottom fixedly connected with transmission master gear of rotatory telescopic bottom is pasted to the label, transmission master gear and drive gear mesh mutually, the transmission master gear is connected with the drive roller bearing transmission, a drive gear fixed connection is in the bottom of not being stained with the paper reel, two meshes of drive gear have a counter gear, just counter gear meshes with the transmission master gear mutually, two fixed connection of drive gear are in the bottom of label corner reel.

Compared with the prior art, the invention has the beneficial effects that:

1. through being provided with the runing rest, devices such as screening drum and screening auxiliary drum mutually support, drive the rotatory back of screening drum and screening auxiliary drum at servo motor, fall the tangerine to screening drum and screening between the auxiliary drum through the screening round hole, during through plucking the cylinder to excise the branch and leaf of picking in-process, thereby can carry out the branch and leaf and get rid of in the screening, reach the automatic effect of getting rid of and pluck the branch and leaf, the current tangerine size screening in-process that has mentioned among the above-mentioned background art needs sieve it step by step and need get rid of the branch and leaf through special branch and leaf excision device before the screening, lead to the problem that screening efficiency reduces.

2. Through being provided with the carriage, carry devices such as multilayer funnel and transport slide rail and mutually support, after screening according to diameter size to the tangerine through screening mechanism, fall to transport layering funnel from the carriage in, the transport slide rail that sets up through the slope drives the tangerine after that, rolls on the slide rail, drives the separation rotor plate and drives the rotatory sleeve of label subsides and rotate to paste the label to the tangerine surface, accomplish the operation of puting up the label when carrying.

Drawings

FIG. 1 is a schematic view of the overall structure of a food screening machine according to the present invention;

FIG. 2 is a schematic view of the fixed connection between the sealing connection cover and the stable connection rod structure of the food screening machine according to the present invention;

FIG. 3 is a schematic view of the internal structure of a secondary screening drum of the food screening machine according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;

FIG. 5 is a schematic view of the internal structure of an arc-shaped buffer cylinder of the food screening machine according to the present invention;

FIG. 6 is a schematic view of the overall structure of a conveying mechanism of the food screening machine according to the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 6 at B in accordance with the present invention;

FIG. 8 is a schematic view of the structure of the driving roller and the driving main gear of the food sifting machine according to the present invention;

fig. 9 is a schematic view of the structure of the label rotating sleeve and the label sticker of the food screening machine according to the present invention.

In the figure: 1. a food screening machine; 2. a food conveying pipe; 21. a delivery hopper; 22. closing the connecting cover; 23. a stabilizing link; 3. a screening mechanism; 31. rotating the bracket; 311. a servo motor; 312. a meshing gear set; 313. a differential gear set; 314. a low-speed gear; 315. a high-speed gear; 32. screening the cylinder; 321. a drive sleeve; 33. screening the auxiliary cylinder; 34. picking the roller; 341. shearing a groove; 342. a shearing blade; 343. a telescopic arc-shaped connecting rod; 344. an arc buffer cylinder; 345. connecting a pipe by air pressure; 346. a one-way valve; 347. a transmission rod; 35. screening the round holes; 36. a sealing sleeve; 4. a conveying mechanism; 41. a delivery stent; 411. a multi-layer guide sleeve; 42. a conveying layering funnel; 43. a conveying slide rail; 431. a collection frame; 44. blocking the rotating rod; 441. blocking the rotating plate; 442. a drive roller; 45. a label-rotating sleeve; 451. a transmission main gear; 452. a first transmission gear; 453. a second transmission gear; 46. the paper is not stuck to the paper roll; 47. a label corner reel; 48. and (5) attaching the sliding rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-9, the food screening machine comprises a food screening machine 1, wherein a food conveying pipe 2 is fixedly communicated with the top of the food screening machine 1, a screening mechanism 3 is arranged inside the food screening machine 1, and a conveying mechanism 4 is arranged outside the food screening machine 1;

through above-mentioned technical scheme, after throwing into food conveyer pipe 2 with the orange, divide the orange according to the size of diameter through screening mechanism 3, simultaneously at the screening in-process, the branch and leaf that exists in the orange picking process is got through plucking cylinder 34 and is got rid of, the orange after 36 terminal to the screening of sealing sleeve drops into and carries support 41 top, carry the orange after the screening through carrying slide rail 43 after then, the branch and leaf that will pluck simultaneously separates through the transmission slide rail 43 that separates with the orange after the screening, the completion is to the screening of orange in the transportation process and the operation of getting rid of the branch and leaf.

Example one

The embodiment is a screening mechanism of a food screening machine;

as shown in fig. 1-5, the screening mechanism 3 includes a rotary bracket 31, a servo motor 311 is fixedly connected to one side of the rotary bracket 31, a screening cylinder 32 engaged with the servo motor 311 is rotatably connected to the inner wall of the rotary bracket 31, a picking cylinder 34 is rotatably connected to the inner wall of the screening cylinder 32, a screening sub-cylinder 33 is fixedly connected to the outer side of the screening cylinder 32, screening circular holes 35 are formed in the inner walls of the screening cylinder 32 and the screening sub-cylinder 33, a picking shearing groove 341 is formed in the inner wall of the picking cylinder 34, shearing blades 342 are slidably connected to the inner wall of the picking shearing groove 341, two groups of shearing blades 342 are provided, each group of shearing blades 342 is provided, two shearing blades 342 rotate relatively, a telescopic arc-shaped connecting rod 343 is fixedly connected to the outer side of the shearing blades 342, an arc-shaped buffer cylinder 344 is hermetically connected to the inner side of the telescopic arc-shaped connecting rod 343, the side wall of the arc-shaped buffer cylinder 344 is fixedly communicated with an air pressure connecting pipe 345, a one-way valve 346 is fixedly connected to the outer side of the air pressure connecting pipe 345, the outer side of the air pressure connecting pipe 345 is connected with the one-way valve 344, and the air cylinder 33 is connected to the air pressure connecting pipe 345;

according to the technical scheme, after oranges are conveyed into the picking roller 34 through the food conveying pipe 2, the servo motor 311 drives the screening cylinder 32, the screening auxiliary cylinder 33 and the picking roller 34 to rotate, in the rotating process, the oranges with different diameters are screened through the screening circular holes 35, so that the oranges fall into the separation layer between the corresponding screening cylinder 32 and the screening auxiliary cylinder 33, meanwhile, branches and leaves on the outer surface of the oranges are clamped into the shearing groove 341 in the rolling process of the oranges, the shearing blades 342 are extruded, the branches and leaves carried in the picking process are cut off from the surface of the oranges, and the operation of picking the branches and leaves in the screening process is completed;

based on the above, when the branches and leaves extrude the shearing blades 342, the telescopic arc-shaped connecting rod 343 is driven to extrude the arc-shaped buffer cylinder 344, so that the air pressure on the inner wall of the air pressure connecting pipe 345 is increased to drive the shearing blades 342 at other positions to generate shearing force at the same time, the branches and leaves are cut off, when the branches and leaves do not enter the shearing groove 341, the telescopic arc-shaped connecting rod 343 is extruded through the arc-shaped buffer cylinder 344, so that the included angle between the shearing blades 342 is reduced, the branches and leaves are waited to enter the shearing groove 341, and the air pressure connecting pipe 345 communicated with the inside of the shearing groove 341 is divided into two parts which are respectively arranged inside the shearing grooves 341 linearly arranged in the picking roller 34.

Specifically, as shown in fig. 1 and fig. 2, the top fixedly connected with conveying funnel 21 of food conveying pipe 2, the outside of picking roller 34 is rotated and is connected with closed connecting cover 22, and the inboard fixedly connected with stabilizing connecting rod 23 of closed connecting cover 22, stabilizing connecting rod 23 is provided with a plurality ofly, and a plurality of stabilizing connecting rod 23 rotatory distribution are in the inboard of closed connecting cover 22, the outside of closed connecting cover 22 and the inner wall fixed connection of screening drum 32, the bottom of conveying funnel 21 is linked together with the inner space of picking roller 34.

Through the technical scheme, when oranges fall on the outer surface of the sealing sleeve 36 through the food conveying pipe 2, the oranges enter the picking roller 34 through the closed connecting cover 22, roll in the inclined picking roller 34, fall the oranges with different diameters into the separation layer with the corresponding diameter between the screening cylinder 32 and the screening auxiliary cylinder 33, and continue to roll downwards;

based on the above, when the sieving cylinder 32, the sieving auxiliary cylinder 33 and the picking cylinder 34 are rotated by the servo motor 311, the fallen oranges are sealed by the sealing connection cover 22 and only fall into the picking cylinder 34, and the sealing connection cover 22 is stabilized by the stabilizing connecting rod 23 and connected to the inner walls of the sieving cylinder 32 and the sieving auxiliary cylinder 33.

Specifically, an output shaft of the servo motor 311 is fixedly connected with a meshing gear set 312, a differential gear set 313 is meshed with the outer side of the meshing gear set 312, the differential gear set 313 is composed of a low-speed gear 314 and a high-speed gear 315, a transmission sleeve 321 is fixedly connected with the outer side of the screening cylinder 32, the transmission sleeve 321 is meshed with the meshing gear set 312 through the low-speed gear 314, a transmission rod 347 is fixedly connected with the outer side of the picking roller 34, and the transmission rod 347 is meshed with the meshing gear set 312 through the high-speed gear 315.

Through the technical scheme, after the servo motor 311 is started, the meshing gear set 312 is driven to rotate, and then the differential gear set 313 is driven to rotate, so that the low-speed gear 314 with a larger diameter and the high-speed gear 315 with a smaller diameter are driven to rotate, the picking roller 34 and the screening cylinder 32 are driven to rotate in a differential manner, and branches and leaves of oranges can be cut off conveniently in the screening process;

based on the above, when the orange branches and leaves are rotated at a differential speed, the branches and leaves clamped inside the cutting groove 341 move towards the clamping direction of the cutting blade 342 due to the differential speed between the isolation cylinders, so that the shearing force of the cutting blade 342 on the branches and leaves is increased, and the cutting operation of the branches and leaves of the orange is completed.

Specifically, the diameters of the screening circular holes 35 are gradually reduced from inside to outside, the screening circular holes 35 are arranged in a staggered mode, and the screening cylinder 32, the screening auxiliary cylinder 33 and the picking roller 34 are arranged in an inclined mode.

Through the technical scheme, when oranges fall along the obliquely arranged screening cylinder 32, the screening auxiliary cylinder 33 and the picking cylinder 34, the screening round holes 35 with gradually reduced diameters are arranged, the interlayer between the picking cylinder 34 and the screening cylinder 32 with larger diameters falls down, the interlayer between the screening cylinder 32 and the screening auxiliary cylinder 33 with smaller diameters falls down, the interlayer between the screening auxiliary cylinder 33 and the sealing sleeve 36 with smaller diameters falls down, and the operation of screening oranges with different diameters is completed.

Example two

The embodiment is a conveying mechanism of a food screening machine;

as shown in fig. 6-9, the conveying mechanism 4 includes a conveying support 41 rotatably connected to the bottom of the sealing sleeve 36, a conveying layering funnel 42 is fixedly connected to the outer side of the conveying layering funnel 41, a conveying sliding rail 43 is inserted into the outer side of the conveying layering funnel 42, the outer surface of the conveying sliding rail 43 is rotatably connected to a separating rotating rod 44, a label pasting rotating sleeve 45 is connected to the bottom of the separating rotating rod 44 in a transmission manner, a label pasting barrel is sleeved on the outer surface of the label pasting rotating sleeve 45, a label is pasted on the outer surface of the label pasting rotating sleeve 45, a non-sticky paper reel 46 and a label corner reel 47 are meshed with the outer surface of the label pasting rotating sleeve 45, a pasting sliding rod 48 is fixedly connected to the outer side of the conveying support 41, and the inner side of the pasting sliding rod 48 is slidably connected to the outer side of the label pasting rod.

According to the technical scheme, after oranges are screened according to the diameter by the screening mechanism 3, the oranges fall into the conveying layered hopper 42 from the conveying support 41, then the oranges are driven by the conveying sliding rails 43 which are obliquely arranged to roll on the sliding rails, the blocking rotating plate 441 is driven to drive the label pasting rotating sleeve 45 to rotate, so that the labels are pasted on the surfaces of the oranges, and the label pasting operation is completed while the oranges are conveyed;

based on the above, when the oranges collide with the blocking rotating rod 44, the orange is driven to rotate, then the label paste rotating sleeve 45 in transmission connection with the bottom of the orange is driven to rotate, the non-pasted label paste is rotated to a position where the label paste can be pasted with the outer surface of the oranges, and meanwhile, the label paste rotating sleeve 45 rotates according to the falling speed of the oranges, so that the situations of paste leakage and paste multiple on the surface of the oranges are avoided;

based on the above-mentioned further, as shown in fig. 9, be provided with non-stick paper parcel district, label posting district and corner district in label subsides inside, non-stick paper parcel district sets up in the inboard in label posting district, and the corner district sets up in the front and back both sides in label posting district, and label posting district sets up in the inboard region of label posting section of thick bamboo.

Specifically, a plurality of layers of guide sleeves 411 are arranged at the top of the conveying bracket 41, the outer sides of the plurality of layers of guide sleeves 411 are rotatably connected with the outer sides of the screening cylinder 32 and the screening secondary cylinder 33, and the other sides of the plurality of layers of guide sleeves 411 are fixedly connected with the conveying layered hopper 42.

Through the technical scheme, the multiple layers of guide sleeves 411 correspond to the separation layers formed among the screening cylinder 32, the screening auxiliary cylinder 33 and the picking roller 34, so that oranges with different diameters fall into the conveying layering hopper 42 through the multiple layers of guide sleeves 411, and the butt joint operation between conveying and screening is completed.

Specifically, the conveying slide rails 43 are provided in plurality, the heights of the conveying slide rails 43 are different, the outer sides of the conveying slide rails 43 are provided with curved rails, and the bottom of the outer sides of the conveying slide rails 43 is overlapped with the collecting frame 431.

Through the technical scheme, when oranges fall into the conveying slide rail 43 through the conveying layered funnel 42, the oranges fall into the corresponding collecting frame 431 through the bent rail, and the collecting operation of the screened oranges is completed.

Specifically, the blocking rotating plate 441 is fixedly connected to the outer side of the blocking rotating rod 44, the driving roller 442 is fixedly connected to the bottom of the blocking rotating rod 44, the driving main gear 451 is fixedly connected to the bottom of the label sticking rotating sleeve 45, the driving main gear 451 is meshed with the first driving gear 452 and the second driving gear 453, the driving main gear 451 is in driving connection with the driving roller 442, the first driving gear 452 is fixedly connected to the bottom of the non-stick paper roll 46, the second driving gear 453 is meshed with the reverse gear, the reverse gear is meshed with the driving main gear 451, and the second driving gear 453 is fixedly connected to the bottom of the label corner roll 47.

Through the technical scheme, when the blocking rotating plate 441 is impacted by a falling orange, the blocking rotating rod 44 is driven to rotate, so that the driving roller 442 is driven to rotate, then the transmission main gear 451 is driven to rotate, the non-stick paper reel 46 is driven to rotate through the transmission gear one 452, the non-stick paper is detached from the label, the transmission gear two 453 is used for driving the label corner reel 47 to rotate in the direction opposite to the rotation direction of the non-stick paper reel 46, and the non-sticking label is rotated to the position to be stuck;

based on the above, the blocking rotating plate 441 serves as both a driving plate of the subsequent transmission main gear 451 and a buffer plate during the falling process of the oranges, so that the subsequent label pasting process is facilitated, the situation that the label cannot be pasted due to too fast falling speed of the oranges is avoided, the label pasting is composed of a sticker, non-stick paper and a corner area, the non-stick paper is rolled to the outer surface through the non-stick paper rolling drum 46, the non-stick paper is detached from the label pasting, the sticker area is exposed in the air, the label pasting is arranged on the way of the falling path of the oranges through the pasting sliding rod 48 and is pasted with the outer surface of the oranges, and the label pasting operation is completed during the falling process of the oranges.

After oranges are put into a food conveying pipe 2, the oranges are divided according to the diameter through a screening mechanism 3, meanwhile, in the screening process, branches and leaves existing in the orange picking process are removed through a picking roller 34, the screened oranges are put into the top of a conveying support 41 at the tail end of a sealing sleeve 36, the screened oranges are conveyed through a conveying slide rail 43, meanwhile, the picked branches and leaves are separated from the screened oranges through a separated conveying slide rail 43, and the operations of screening the oranges and removing the branches and leaves in the conveying process are completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The food screening machine comprises a food screening machine (1), wherein the top of the food screening machine (1) is fixedly communicated with a food conveying pipe (2), and is characterized in that a screening mechanism (3) is arranged inside the food screening machine (1), and a conveying mechanism (4) is arranged outside the food screening machine (1);

the screening mechanism (3) comprises a rotating bracket (31), a servo motor (311) is fixedly connected to one side of the rotating bracket (31), a screening cylinder (32) meshed with the servo motor (311) is rotatably connected to the inner wall of the rotating bracket (31), a picking cylinder (34) is rotatably connected to the inner wall of the screening cylinder (32), a screening secondary cylinder (33) is fixedly connected to the outer side of the screening cylinder (32), screening round holes (35) are formed in the inner walls of the screening cylinder (32) and the screening secondary cylinder (33), a picking shearing groove (341) is formed in the inner wall of the picking cylinder (34), a shearing blade (342) is slidably connected to the inner wall of the picking shearing groove (341), a telescopic arc-shaped connecting rod (343) is fixedly connected to the outer side of the shearing blade (342), an arc-shaped buffer cylinder (344) is hermetically connected to the inner side of the telescopic arc-shaped connecting rod (343), an air pressure connecting pipe (345) is fixedly connected to the side wall of the arc-shaped buffer cylinder (344), a one-way valve (346) is fixedly connected to the outer side of the air pressure connecting pipe (345), and a sealing sleeve (36) is connected to the outer side of the screening secondary cylinder (33);

conveying mechanism (4) are including rotating support (41) of connecting in sealing sleeve (36) bottom, the outside fixedly connected with of support (41) carries layering funnel (42), the outside of carrying layering funnel (42) is pegged graft and is had transport slide rail (43), the surface of carrying slide rail (43) rotates and is connected with separation rotary rod (44), the bottom transmission of separation rotary rod (44) is connected with label subsides swivel sleeve (45), the surface of label subsides swivel sleeve (45) has cup jointed the label and has pasted a section of thick bamboo, the surface of label subsides a section of thick bamboo is pasted and has been pasted the label, just the surface mesh of label subsides swivel sleeve (45) has and is not stained with paper reel (46) and label corner reel (47), just the outside fixedly connected with laminating slide bar (48) of support (41), the inboard of laminating slide bar (48) and the outside sliding connection of label subsides.

2. The food screening machine according to claim 1, characterized in that a conveying funnel (21) is fixedly connected to the top of the food conveying pipe (2), a closed connecting cover (22) is rotatably connected to the outer side of the picking drum (34), a stabilizing connecting rod (23) is fixedly connected to the inner side of the closed connecting cover (22), the stabilizing connecting rod (23) is provided in plurality and is distributed in the inner side of the closed connecting cover (22) in a rotating manner, the outer side of the closed connecting cover (22) is fixedly connected with the inner wall of the screening cylinder (32), and the bottom of the conveying funnel (21) is communicated with the inner space of the picking drum (34).

3. The food screening machine according to claim 1, characterized in that an output shaft of the servo motor (311) is fixedly connected with a meshing gear set (312), a differential gear set (313) is meshed outside the meshing gear set (312), the differential gear set (313) consists of a low-speed gear (314) and a high-speed gear (315), a transmission sleeve (321) is fixedly connected outside the screening cylinder (32), the transmission sleeve (321) is meshed with the meshing gear set (312) through the low-speed gear (314), a transmission rod (347) is fixedly connected outside the picking drum (34), and the transmission rod (347) is meshed with the meshing gear set (312) through the high-speed gear (315).

4. The food screening machine of claim 1, wherein the shearing blades (342) are arranged in two sets, wherein two shearing blades (342) are arranged in each set, and wherein the two shearing blades (342) rotate relative to each other.

5. The food screening machine according to claim 1, wherein the pneumatic connecting pipe (345) is provided to an inner wall of the picker drum (34), the pneumatic connecting pipe (345) is injected with gas through a check valve (346), and an inner space of the pneumatic connecting pipe (345) is communicated with the arc buffer cylinder (344).

6. The food screening machine according to claim 1, wherein the diameter of the screening circular holes (35) is gradually reduced from inside to outside, the screening circular holes (35) are arranged in a staggered manner, and the screening cylinder (32), the screening secondary cylinder (33) and the picking drum (34) are arranged in an inclined manner.

7. Food screening machine according to claim 1, characterized in that the top of the conveyor frame (41) is provided with a plurality of layers of guide sleeves (411), the outer sides of the plurality of layers of guide sleeves (411) are rotatably connected with the outer sides of the screening cylinder (32) and the screening secondary cylinder (33), and the other sides of the plurality of layers of guide sleeves (411) are fixedly connected with the conveying layered hopper (42).

8. The food screening machine according to claim 1, wherein the conveying slide rail (43) is provided in plurality, the height of the plurality of conveying slide rails (43) is not consistent, the outer side of the conveying slide rail (43) is provided with a curved track, and the outer bottom of the conveying slide rail (43) is overlapped with the collecting frame (431).

9. The food screening machine according to claim 1, wherein a blocking rotating plate (441) is fixedly connected to the outer side of the blocking rotating rod (44), a driving roller (442) is fixedly connected to the bottom of the blocking rotating rod (44), a transmission main gear (451) is fixedly connected to the bottom of the label sticking rotating sleeve (45), the transmission main gear (451) is meshed with a first transmission gear (452) and a second transmission gear (453), the transmission main gear (451) is in transmission connection with the driving roller (442), the first transmission gear (452) is fixedly connected to the bottom of the non-stick paper reel (46), the second transmission gear (453) is meshed with a reversing gear, the reversing gear is meshed with the transmission main gear (451), and the second transmission gear (453) is fixedly connected to the bottom of the label corner reel (47).