CN206790912U - A kind of corn seed machining production line - Google Patents

Abstract

A kind of corn seed machining production line, including cleaning grading plant, coating device, drying unit and packing device, the drying unit is connected with coating device by transmitting device, transmitting device passes through drying unit, the material that coating device is disposed is transported in drying unit by transmitting device dries, the lower section of the transmitting device is provided with middle turning barrel, and middle turning barrel is connected in packing device by blower fan.The utility model is directed to the integrated artistic of seed processing, grading plant, coating device, drying unit and packing device will be cleaned and combine to form a production line, and electrical equipment and machinery are subjected to rational overall planning, the automatic and intelligent control to corn seed processing can be realized.

Description

A kind of corn seed machining production line

Technical field

Seed manufacture field is the utility model is related to, particularly a kind of corn seed machining production line.

Background technology

Seed is processed, and also referred to as seed is machined, and it refers to clean seed, is classified, than gravity treatment, coating, bag The do mechanization operations such as dress, storage.When purification of seeds is classified, air-screen separator is first delivered to by temporary storing bin, then by grader point Level, the seed after classification enter respective temporary storing bin.Temporary storing bin is followed by gravity type sqeed sorting machine（Compare gravity treatment）.Gravity preparation rejects light seed Afterwards, good seed send seed-coating machine to be coated, then through measuring, pack, being put in storage after stacking, whole manufacturing procedure is completed.Seed processing industry Development be the seed production automation and modernization mark.

Seed production line refers to a series of streamline for for the whole process of seed processing, forming machinery sequence work, it The circulation time of seed in process can be reduced, increases seed processing efficiency, is adapted to large-scale seed processing enterprise to use. With the development of science and technology, increasing seed production line is applied in major seed processing enterprise, many relevant seed lifes The document of producing line is also disclosed in succession, as the U of document CN 205228104 disclose a kind of corn seed machining production line, is solved Corn seed dries the problem of coated shells easily ftracture in uneven, high energy consumption and low temperature environment.But existing maize seed Sub- machining production line, it is difficult to realize automation and intellectuality, it is difficult to meet the needs of modern enterprise.

Utility model content

The purpose of this utility model is to overcome the above-mentioned deficiency of prior art and provide a kind of corn seed machining production line, Electrical equipment and machinery are carried out rational overall planning by it, can realize the automatic and intelligent control to corn seed processing.

The technical solution of the utility model：A kind of corn seed machining production line, including clean grading plant, coating dress Put, drying unit and packing device；The grading plant of cleaning includes material spray dust collection mechanism, frame and pneumatic jig classification mechanism, institute State pneumatic jig classification mechanism and be arranged on machine frame inside, material spray dust collection mechanism is arranged on the upper left side of pneumatic jig classification mechanism；Material spray dust suction Mechanism includes feed hopper, the first guide duct and the seat that gathers dust, and the first guide duct is arranged on the lower section of feed hopper, its entrance connection first The outlet of blower fan, the seat that gathers dust are arranged on the right-hand member of feed hopper；The pneumatic jig classification mechanism include according to it is upper and lower set respectively the One classification casing, the second classification casing and the 3rd classification casing, the first classification casing, the second classification casing and the 3rd classification casing Right side be respectively equipped with the first electromagnetic valve, second solenoid valve door and the 3rd electromagnetic valve；First electromagnetic valve, second solenoid valve The right side of door and the 3rd electromagnetic valve is connected by discharge pipe with three rewinding buckets respectively；The coating device includes feeder Structure, coating casing, support frame and spraying mechanism；The coating casing is arranged on support frame, feed mechanism and spraying mechanism point The left side and right side of casing upper end An Zhuan be coated；The feed mechanism includes material bin, feeding channel and the 4th magnetic valve Door, material bin are arranged on the upper end of feeding channel, and the bottom of material bin is connected with feeding channel, the 4th electromagnetic valve be arranged on into Expect in passage, control seed is current in feeding channel, and the bottom of feeding channel is connected with being coated the upper end of casing；The spray Spilling mechanism includes rotating sprinklers and measuring pump；Three rewinding buckets are connected by three blower fans with entering charging basket respectively；It is described Drying unit is connected with coating device by transmitting device, and transmitting device passes through drying unit, the thing that coating device is disposed Material is transported in drying unit by transmitting device dries, and the lower section of the transmitting device is provided with middle turning barrel, and middle turning barrel passes through wind Machine is connected in packing device.

Further, described to clean in grading plant, the first classification casing, the second classification casing and the 3rd are classified casing Lower end is respectively equipped with the first screen plate, the second screen plate and the 3rd screen plate, the first screen plate, the second screen plate and the 3rd screening Multiple through holes are equipped with plate；The seat that gathers dust is arranged between feed hopper and the first classification casing, feed hopper and the first classification casing Connected by connector；First screen plate and the second screen plate are respectively arranged below with the first feed leakage bucket and the second material leakage Bucket, the first feed leakage bucket and the second feed leakage bucket are del, and their lower end is connected to the second classification casing and the 3rd point The second guide duct and the 3rd guide duct are respectively equipped with the left of the upper end of level casing, the second classification casing and the 3rd classification casing, Outlet of the entrance of second guide duct and the 3rd guide duct respectively with the second blower fan and the 3rd blower fan is connected.

Further, in the coating device, rotating sprinklers and the first motor connection, the rotary shaft of rotating sprinklers is The output shaft of first motor, one end connection medicinal cupping of measuring pump, the other end are connected with pipeline, and the outlet of pipeline is sprayed positioned at rotation The top of wheel is sprayed in device；The coating casing is a cylindrical box, and pushing meanss, coating throwing disc are provided with coating casing And discharge door, coating throwing disc are arranged on the lower section of rotating sprinklers, are coated below throwing disc and are connected with the second motor, the second motor Output shaft drive coating throwing disc rotation；Pushing meanss include catch bar, nut, connecting rod and the 3rd motor, nut and are fixed on On the output shaft of 3rd motor, connecting rod one end connection catch bar, the other end bolts with nut, and the pushing meanss are arranged on bag The left side of clothing throwing disc；Discharge door is arranged on the right side of coating throwing disc, and the upper end of discharge door is provided with the 5th electromagnetic valve, the 5th electricity The switch of magnet valve gate control discharge door；Electronic liquid level gauge is installed in the medicinal cupping；The drying unit includes dryer, material containing Bucket, haul bucket and transmitting device, material containing bucket connect the discharge door on coating device by discharge pipe, and the lower section of material containing bucket is provided with Guide duct, guide duct connection four fan device, the outlet conduit of four fan device are located at the top of haul bucket；The transmitting device passes through Dryer, haul bucket are placed on transmitting device, moved with transmitting device；The dryer is provided with multiple electric heating tubes.

Further, the grading plant of cleaning also includes the first controller, the first blower fan, the second blower fan, the 3rd blower fan, First electromagnetic valve, second solenoid valve door and the 3rd electromagnetic valve control with the first controller connect respectively；The coating device Also include second controller, the 4th electromagnetic valve, the 5th electromagnetic valve, the first motor, the second motor, the 3rd motor, meter Measure pump, electronic liquid level gauge, four fan device and electric heating tube and control connection with second controller.

Further, the corn seed machining production line also includes master controller, and master controller is distinguished by controlling bus Connected with the first controller and second controller control.

Further, the through hole on first screen plate, the second screen plate and the 3rd screen plate is waist-shaped hole, and first sieves Waist-shaped hole width on plate is selected as 1.2 ~ 1.8 times of waist-shaped hole width on the second screen plate, the waist-shaped hole on the second screen plate is wide Spend for 1.5 ~ 2 times of waist-shaped hole width on the 3rd screen plate.

Further, the transmitting device includes transmission belt and roller, and transmission belt wraps up multiple rollers, roller scrolling bands Dynamic transmission belt moves along a straight line；4th motor is installed, the 4th motor connects with second controller control on the roller on right side.

Further, the coating device also includes multiple timers, and timer connects with second controller control.

Application method of the present utility model：1. coating automatically controls：Second controller controls opening for the 4th electromagnetic valve Close, so as to control the seed amount entered from material bin（Second controller utilizes the unlatching of the electromagnetic valve of timer management and control the 4th Time）；Then, second controller control measuring pump, extract the decoction to match with seed amount out from medicinal cupping, and go out from pipeline Mouth sprays decoction to sprinkling wheel, meanwhile, second controller controls the first motor to rotate so that rotating sprinklers are carried out to decoction Sprinkling, so as to be coated action to entering the seed in coating throwing disc；The second motor below throwing disc is coated in the second control Coating throwing disc rotation is driven under the control of device processed（Because catch bar and discharge door are located at the left side and right side of coating throwing disc respectively, Catch bar and discharge door form the closed space of a transverse direction with coating throwing disc so that seed can only be in the horizontal closed space Interior motion, if be designed to rationally, seed will not jump out the space）, and then make the coating face of each seed evenly.Work as bag Clothing process time reached when the time that seed amount matches（Timer can record Coating times）, second controller control bag The second motor below clothing throwing disc stops the rotation, and controls the rotation of the 3rd motor, catch bar is from left to right moved, while second Controller controls the 5th electromagnetic valve to open discharge door, and the seed being coated in throwing disc is released into discharge door, entered in material containing bucket. Whole automatic control process is completed.

When the decoction reserves in medicinal cupping are inadequate, the liquid level information of decoction is sent to second by the electronic liquid level gauge in medicinal cupping Controller, second controller control control alarm send alarm, inform coating staff decoction deficiency, it is necessary to increase medicine Liquid.

2. drying automatically controls：Second controller controls the switch of four fan device, using four fan device from material containing bucket Seed is extracted out and is placed into haul bucket, then, second controller controls the 4th motor to open, the 4th motor driven conveyer belt Move from left to right, reached until loading seed-bearing haul bucket in dryer, close the 4th motor, while according to the number of seed The electric heating tube that amount opens respective numbers in dryer is opened, and timer calculates the time of drying and feeds back to second controller, After the coating decoction on seed is oven-dried, then controls the 4th motor to open and haul bucket is transported into dryer.

3. clean automatically controlling for classification:Material spray dust collection mechanism be used for the dust in corn seed, impurity and it is flat it is weak, The seed damaged by worms is cleaned；Seed is vertically fallen from feed hopper, in the presence of the first controller controls the first guide duct, Seed moves to the first classification box house with the drive of wind, realizes material spray process.Due in the first classification casing and charging The seat that gathers dust is installed, seat is put away so the dust, impurity and flat seed that is weak, damaging by worms in seed can be gathered dust, and is realized between bucket Dust suction process.

Pneumatic jig classification mechanism is used to be classified corn seed, due to the first screen plate, the second screen plate and the 3rd sieve Select the clear size of opening on plate different, the seed sizes that it is filtered are also different, and the seed of maximum volume passes through the work of the first blower fan With, moved from left to right in the first classification casing, eventually fall in in the first corresponding rewinding bucket of classification casing, and the Medium volume seed after the screening of one screen plate, then by the effect of the second blower fan, transported from left to right in the second classification casing It is dynamic, eventually fall in the rewinding bucket corresponding with the second classification casing, secondary isometric seed after the screening of the second screen plate, then By the effect of the 3rd blower fan, move, eventually fall in corresponding with the 3rd classification casing from left to right in the 3rd classification casing Rewinding bucket in；Minimum seed then falls directly into bottom of the frame.In pneumatic jig classification mechanism, the first controller directly controls The opening and closing of one electromagnetic valve, second solenoid valve door and the 3rd electromagnetic valve, so as to reliably be controlled to screening process System.

4. production line automatically controls：Master controller controls the first controller and second controller, realizes to total production line Control.

The beneficial effects of the utility model：The utility model be directed to seed processing integrated artistic, will clean grading plant, Coating device, drying unit and packing device combine to form a production line, and electrical equipment is carried out into rational pool with machinery and set Meter, the automatic and intelligent control to corn seed processing can be realized.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model embodiment；

Fig. 2 is that grading plant structural representation is cleaned in the utility model embodiment；

Fig. 3 is the structural representation of coating device drying unit in the utility model embodiment；

Fig. 4 is the master controller circuit connection diagram of the utility model embodiment；

Fig. 5 is the first controller circuitry connection diagram of the utility model embodiment；

Fig. 6 is the second controller circuit connection diagram of the utility model embodiment；

Fig. 7 is the structural representation of material spray dust collection mechanism in Fig. 2；

Fig. 8 is the structural representation of the first screen plate in Fig. 2.

In figure：1-material spray dust collection mechanism, 2-frame, 3-pneumatic jig classification mechanism, 4-feed hopper, the 5-the first guide duct, 6-gather dust seat, the 7-the first blower fan, the 8-the first classification casing, the 9-the second classification casing, the 10-the three classification casing, 11-the One screen plate, the 12-the second screen plate, the 13-the three screen plate, 14-through hole, 15-connector, the 16-the first feed leakage bucket, 17-the second feed leakage bucket, the 18-the second guide duct, the 19-the three guide duct, the 20-the second blower fan, the 21-the second blower fan, 22-the One electromagnetic valve, 23-second solenoid valve door, the 24-the three electromagnetic valve, 25-discharge pipe, 26-rewinding bucket, 27-sealing Ring, 28-centrifugal dust collector, 29-feed mechanism, 30-coating casing, 31-support frame, 32-spraying mechanism, 33-enter Hopper, 34-feeding channel, the 35-the four electromagnetic valve, 36-rotating sprinklers, 37-measuring pump, the 38-the first motor, 39-medicinal cupping, 40-pipeline, 41-sprinkling wheel, 42-pushing meanss, 43-coating throwing disc, 44-discharge door, the 45-the second electricity Machine, 46-catch bar, 47-nut, 48-connecting rod, the 49-the three motor, the 50-the five electromagnetic valve, 51-electronic level Meter, 52-dryer, 53-material containing bucket, 54-haul bucket, 55-transmitting device, 56-discharge pipe, 57-guide duct, 58- Four fan device, 59-electric heating tube, 60-transmission belt, 61-roller, the 62-the four motor, 63-bearing, 64-blower fan, 65- Middle turning barrel, 101-coating device, 102-drying unit.

Embodiment

The utility model is described in further details below with reference to Figure of description and specific embodiment.

Embodiment

As illustrated, a kind of corn seed machining production line, including clean grading plant 101, coating device 102, drying Device 103 and packing device 104；The grading plant 101 of cleaning includes material spray dust collection mechanism 1, frame 2 and pneumatic jig classification mechanism 3, the pneumatic jig classification mechanism 3 is arranged on inside frame 2, and material spray dust collection mechanism 1 is arranged on the upper left side of pneumatic jig classification mechanism 3； The structure of material spray vacuum cleaner 1 includes feed hopper 4, the first guide duct 5 and the seat 6 that gathers dust, and the first guide duct 5 is arranged on the lower section of feed hopper 4, Its entrance connects the outlet of the first blower fan 7, and the seat 6 that gathers dust is arranged on the right-hand member of feed hopper 4；The pneumatic jig classification mechanism 3 include according to Upper and lower the first classification casing 8, second set respectively is classified casing 9 and the 3rd and is classified casing 10, the first classification casing 8, the The right side that two classification casings 9 and the 3rd are classified casing 10 is respectively equipped with the first electromagnetic valve 22, second solenoid valve door 23 and the 3rd Electromagnetic valve 24；First electromagnetic valve 22, the right side of the electromagnetic valve 24 of second solenoid valve door 23 and the 3rd pass through discharge nozzle respectively Road 25 is connected with three rewinding buckets 26.

The coating device 102 includes feed mechanism 29, coating casing 30, support frame 31 and spraying mechanism 32；The bag The body of suitcase 30 is arranged on support frame 31, and feed mechanism 29 and spraying mechanism 32 are separately mounted to be coated the left side of the upper end of casing 30 And right side；The feed mechanism 29 include material bin 33, the electromagnetic valve 35 of feeding channel 34 and the 4th, material bin 33 be arranged on into Expect the upper end of passage 34, the bottom of material bin 33 is connected with feeding channel 34, and the 4th electromagnetic valve 35 is arranged on feeding channel 34 Interior, control seed is current in feeding channel 34, and the bottom of feeding channel 34 is connected with being coated the upper end of casing 30；The spray Spilling mechanism 32 includes rotating sprinklers 36 and measuring pump 37；Three rewinding buckets 26 by three blower fans 64 and enter charging basket respectively 26 connections；The drying unit 103 is connected with coating device 102 by transmitting device 55, and transmitting device 55 passes through drying unit 103, the material that coating device 102 is disposed is transported in drying unit 103 by transmitting device 55 dries, the transmission dress The lower section for putting 55 is provided with middle turning barrel 65, and middle turning barrel 65 is connected in packing device 104 by blower fan 64.

Specifically, described to clean in grading plant 101, the first classification casing 8, second is classified casing 9 and the 3rd point The lower end of level casing 10 is respectively equipped with the first screen plate 11, the second screen plate 12 and the 3rd screen plate 13, the first screen plate 11, the Multiple through holes 14 are equipped with two screen plates 12 and the 3rd screen plate 13；The seat 6 that gathers dust is arranged on feed hopper 5 and first and is classified casing Between 8, feed hopper 5 is connected with the first classification casing 8 by connector 15；The screen plate 12 of first screen plate 11 and second The first feed leakage bucket 16 and the second feed leakage bucket 17 are respectively arranged below with, the first feed leakage bucket 16 and the second feed leakage bucket 17 are del, Their lower end is connected to the upper end of the second classification casing 9 and the 3rd classification casing 10, and second is classified casing 9 and the 3rd point The left side of level casing 10 is respectively equipped with the second guide duct 18 and the 3rd guide duct 19, the second guide duct 18 and the 3rd guide duct 19 Outlet of the entrance respectively with the second blower fan 20 and the 3rd blower fan 21 is connected.

Specifically, in the coating device 102, rotating sprinklers 36 are connected with the first motor 38, rotating sprinklers 36 Rotary shaft is the output shaft of the first motor 38, and one end of measuring pump 37 connects medicinal cupping 39, and the other end is connected with pipeline 40, pipeline 40 Outlet be located at rotating sprinklers 36 in sprinkling wheel 41 top；The coating casing 30 is a cylindrical box, is coated case Controller, pushing meanss 42, coating throwing disc 43 and discharge door 44 are provided with body 30, coating throwing disc 32 is arranged on rotating sprinklers 36 Lower section, the lower section of coating throwing disc 43 is connected with the second motor 45, and the output shaft of the second motor 45 drives coating throwing disc 43 to rotate； Pushing meanss 42 include catch bar 46, nut 47, the motor 49 of connecting rod 48 and the 3rd, and nut 47 is fixed on the defeated of the 3rd motor 49 On shaft, the one end of connecting rod 48 connection catch bar 46, the other end is bolted with nut 47, and the pushing meanss 42 are got rid of installed in coating The left side of disk 43；Discharge door 44 is arranged on the right side of coating throwing disc 43, and the upper end of discharge door 44 is provided with second solenoid valve door 50, Second solenoid valve door 50 controls the switch of discharge door 44；Electronic liquid level gauge 51, the drying unit are installed in the medicinal cupping 39 103 include dryer 52, material containing bucket 53, haul bucket 54 and transmitting device 55, and material containing bucket 53 is connected by discharge pipe 56 to be coated Discharge door 44 on device 102, the lower section of material containing bucket 53 are provided with guide duct 57, and guide duct 57 connects four fan device 58, the 4th wind The outlet conduit of machine 58 is located at the top of haul bucket 54；The transmitting device 55 passes through dryer 52, and haul bucket 54 is placed on biography On defeated device 55, moved with transmitting device 55；The dryer 52 is provided with multiple electric heating tubes 59.

Specifically, the grading plant 101 of cleaning also includes the first controller, the first blower fan 7, the second blower fan the 20, the 3rd Blower fan 21, the first electromagnetic valve 22, the electromagnetic valve 24 of second solenoid valve door 23 and the 3rd control with the first controller connect respectively； The coating device 102 also includes second controller, the 4th electromagnetic valve 33, the 5th the 50, first electricity of electromagnetic valve Machine 38, the second motor 45, the 3rd motor 49, measuring pump 37, electronic liquid level gauge 51, four fan device 58 and electric heating tube 59 are with The control connection of two controllers.

Specifically, the corn seed machining production line also includes master controller, master controller by controlling bus respectively with First controller and second controller control connection.

Specifically, the through hole 42 on first screen plate 39, the second screen plate 40 and the 3rd screen plate 41 is waist-shaped hole, 39 waist-shaped hole width is 1.2 times of waist-shaped hole width on the second screen plate 40, on the second screen plate 12 on first screen plate Waist-shaped hole width is 1.5 times that the 3rd sieve 13 selects waist-shaped hole width on plate.

Specifically, the top of the seat 33 that gathers dust is provided with centrifugal dust collector 56.

Specifically, the transmitting device 27 includes transmission belt 32 and roller 33, and transmission belt 32 wraps up multiple rollers 33, rolling Wheel 33, which rolls, drives transmission belt 32 to move along a straight line；4th motor 34 is installed on the roller 33 on right side, the 4th motor 34 with Second controller control connection.

Specifically, the coating device 102 also includes multiple timers, and timer connects with second controller control.

Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claims and Within the scope of its equivalent technology, then the utility model is also intended to comprising including these changes and modification.

Claims (8)

1. a kind of corn seed machining production line, including clean grading plant, coating device, drying unit and packing device；Its It is characterised by：The grading plant of cleaning includes material spray dust collection mechanism, frame and pneumatic jig classification mechanism, the pneumatic jig classification mechanism Installed in machine frame inside, material spray dust collection mechanism is arranged on the upper left side of pneumatic jig classification mechanism；Material spray dust collection mechanism include feed hopper, First guide duct and the seat that gathers dust, the first guide duct are arranged on the lower section of feed hopper, and its entrance connects the outlet of the first blower fan, gathered dust Seat is arranged on the right-hand member of feed hopper；The pneumatic jig classification mechanism is included according to upper and lower the first classification casing set respectively, second Casing and the 3rd classification casing are classified, is respectively equipped with the right side of the first classification casing, the second classification casing and the 3rd classification casing First electromagnetic valve, second solenoid valve door and the 3rd electromagnetic valve；First electromagnetic valve, second solenoid valve door and the 3rd magnetic valve The right side of door is connected by discharge pipe with three rewinding buckets respectively；The coating device includes feed mechanism, coating casing, branch Support and spraying mechanism；The coating casing is arranged on support frame, and feed mechanism and spraying mechanism are separately mounted to be coated case The left side and right side of body upper end；The feed mechanism includes material bin, feeding channel and the 4th electromagnetic valve, material bin and is arranged on The upper end of feeding channel, the bottom of material bin are connected with feeding channel, and the 4th electromagnetic valve is arranged in feeding channel, control kind Son is current in feeding channel, and the bottom of feeding channel is connected with being coated the upper end of casing；The spraying mechanism includes rotation Sprinkler and measuring pump；Three rewinding buckets are connected by three blower fans with entering charging basket respectively；The drying unit and coating Device is connected by transmitting device, and transmitting device passes through drying unit, and the material that coating device is disposed passes through transmitting device Transport in drying unit and dry, the lower section of the transmitting device is provided with middle turning barrel, and middle turning barrel is connected to packaging dress by blower fan In putting.

2. corn seed machining production line as claimed in claim 1, it is characterised in that：It is described to clean in grading plant, first The lower end of classification casing, the second classification casing and the 3rd classification casing is respectively equipped with the first screen plate, the second screen plate and the 3rd Screen plate, multiple through holes are equipped with the first screen plate, the second screen plate and the 3rd screen plate；The seat that gathers dust be arranged on feed hopper with Between first classification casing, feed hopper is connected with the first classification casing by connector；First screen plate and the second screening Plate is respectively arranged below with the first feed leakage bucket and the second feed leakage bucket, and the first feed leakage bucket and the second feed leakage bucket are del, they Lower end be connected to the upper end of the second classification casing and the 3rd classification casing, the second classification casing and the 3rd classification casing Left side is respectively equipped with the second guide duct and the 3rd guide duct, the entrance of the second guide duct and the 3rd guide duct respectively with the second blower fan Outlet with the 3rd blower fan connects.

3. corn seed machining production line as claimed in claim 2, it is characterised in that：In the coating device, rotation sprinkling Device and the first motor connection, the rotary shaft of rotating sprinklers are the output shaft of the first motor, and one end of measuring pump connects medicinal cupping, separately One end is connected with pipeline, and the outlet of pipeline is located at the top that wheel is sprayed in rotating sprinklers；The coating casing is a cylinder Shape casing, coating casing is interior to be provided with pushing meanss, coating throwing disc and discharge door, and coating throwing disc is arranged under rotating sprinklers Side, is coated below throwing disc and is connected with the second motor, and the output shaft of the second motor drives coating throwing disc rotation；Pushing meanss include Catch bar, nut, connecting rod and the 3rd motor, nut are fixed on the output shaft of the 3rd motor, and the connection of connecting rod one end promotes Bar, the other end bolt with nut, and the pushing meanss are arranged on the left side of coating throwing disc；Discharge door is arranged on the right side of coating throwing disc Side, the upper end of discharge door are provided with the 5th electromagnetic valve, and the 5th electromagnetic valve controls the switch of discharge door；Installed in the medicinal cupping There is electronic liquid level gauge；The drying unit includes dryer, material containing bucket, haul bucket and transmitting device, and material containing bucket passes through discharge nozzle Discharge door on road connection coating device, the lower section of material containing bucket are provided with guide duct, and guide duct connects four fan device, four fan device Outlet conduit is located at the top of haul bucket；The transmitting device passes through dryer, and haul bucket is placed on transmitting device, with transmission Device moves；The dryer is provided with multiple electric heating tubes.

4. corn seed machining production line as claimed in claim 3, it is characterised in that：The grading plant of cleaning also includes the One controller, the first blower fan, the second blower fan, the 3rd blower fan, the first electromagnetic valve, second solenoid valve door and the 3rd electromagnetic valve point Do not control and connect with the first controller；The coating device also includes second controller, the 4th electromagnetic valve, the 5th electromagnetism Valve, the first motor, the second motor, the 3rd motor, measuring pump, electronic liquid level gauge, four fan device and electric heating tube are with second Controller control connection.

5. corn seed machining production line as claimed in claim 4, it is characterised in that：Also include master controller, master controller Connected respectively with the first controller and second controller control by controlling bus.

6. corn seed machining production line as claimed in claim 2, it is characterised in that：First screen plate, the second screening Through hole on plate and the 3rd screen plate is waist-shaped hole, and the waist-shaped hole width on the first screen plate is wide for waist-shaped hole on the second screen plate 1.2 ~ 1.8 times of degree, waist-shaped hole width on the second screen plate are 1.5 ~ 2 times of waist-shaped hole width on the 3rd screen plate.

7. corn seed machining production line as claimed in claim 4, it is characterised in that：The transmitting device include transmission belt and Roller, transmission belt wrap up multiple rollers, and roller, which rolls, drives transmission belt to move along a straight line；The 4th is provided with the roller on right side Motor, the 4th motor connect with second controller control.

8. corn seed machining production line as claimed in claim 4, it is characterised in that：The coating device also includes multiple meters When device and alarm, timer and alarm connected with second controller control.