CN209403081U - A kind of corn cell thresing machine - Google Patents

Abstract

The utility model provides a kind of corn cell thresing machine, it is related to crops equipment technical field, solves the poor technical problem of the screening plant screening effect of maize sheller existing in the prior art, including rack, screening plant and driving device, the screening plant is arranged in the rack and is connected with the driving device, wherein: the screening plant includes screening plant frame, it is disposed with the first sieve and the second sieve from top to bottom in the screening plant frame, the network interface bore of first sieve is greater than the network interface bore of second sieve, impurity passing away is provided on first sieve, niblet outlet is provided on second sieve, the screening plant frame is connected with the driving device and can do back and forth movement under the driving of the driving device；The utility model screening plant can efficiently separate and be discharged the impurity mixed after threshing in niblet, and structure is simple and screening effect is significant.

Description

A kind of corn cell thresing machine

Technical field

The utility model relates to crops equipment technical fields, and in particular to a kind of corn cell thresing machine.

Background technique

Corn is widely cultivated as a kind of common cereal crops, and corn needs to take off corn after maturation Grain, screening and purification, the maize sheller with screening function occurred currently on the market passes through sieve mostly carries out corn Threshing, and existing sieve screening process is more coarse, seriously affects the screening effect of niblet.

A kind of maize sheller with screening function disclosed in Chinese patent document, including feed hopper, sheller unit, go out Material mouth and motor, inlet port and outlet port are connected to sheller unit, and screening plant includes screen box, sieve and connect with sieve Vibration transmission shaft, the device by sheller unit to corn carry out threshing, niblet is sieved by screening plant later Choosing.

Applicant compares prior art discovery and at least there is following technical problem:

Although the sieve in screen box can filter out the lesser sundries of particle in niblet, the biggish sundries of particle It is still mutually mixed with the niblet on sieve, screening effect is poor.

Utility model content

The purpose of the utility model is to provide a kind of corn cell thresing machines, de- to solve corn existing in the prior art The poor technical problem of the screening plant screening effect of grain machine；Optimization technique in many technical solutions provided by the utility model (the first sieve and the setting of the second screen slope, can effectively mention many technical effects that scheme can be generated while screening The discharge of high impurity and the transport of niblet；Threshing bin bottom is set as top that is netted and being located at the screening plant, makes jade It preliminary screening and can be dropped down on screening plant after rice threshing；Filter Transmission device includes drive connecting rod and follower link, makes to sieve Screening device frame can do back and forth movement under the action of power device；First grain threshing roller and the cooperation of the second grain threshing roller carry out corn Threshing improves corn threshing efficiency；Conveyance device can be by the power transmission on the second grain threshing roller to conveying device, thus just In the discharge of corn ear；Transfer passage bottom is set as netted, can recycle the niblet mixed in corn ear；Transport device packet Transport pipeline and the first blower are included, keeps the transport of niblet more quick；Dust exhaust includes air duct and the second blower, Neng Gouzai The impurity mixed in secondary exclusion niblet, further increases screening effect；Threshing transmission device can be by the dynamic of the first grain threshing roller Power is sent to the second blower, and the power of the second blower can be sent to the first blower, improve power device by transport transmission device Utilization efficiency etc.)；Elaboration as detailed below.

To achieve the above object, the utility model provides following technical scheme:

A kind of corn cell thresing machine provided by the utility model, including rack, screening plant and driving device, the sieve Screening device is arranged in the rack and is connected with the driving device, in which: and the screening plant includes screening plant frame, The first sieve and the second sieve, the network interface bore of first sieve are disposed in the screening plant frame from top to bottom Greater than the network interface bore of second sieve, it is provided with impurity passing away on first sieve, is set on second sieve It is equipped with niblet outlet, the screening plant frame is connected with the driving device and can do under the driving of the driving device Back and forth movement.

Preferably, the second screen slope setting, and second sieve is along the direction far from niblet outlet Height is sequentially increased；First sieve is arranged in parallel relative to second sieve, and second sieve is close to the corn One end of grain outlet is provided with baffle, and the impurity passing away is along the baffle plate setting.

Preferably, it is located in the rack above the screening plant and is provided with threshing bin, the bottom of the threshing bin It is set as netted, is provided with sheller unit in the threshing bin；The driving device includes power device and actuating unit, The sheller unit is connected by the actuating unit with the power device.

Preferably, the driving device further includes Filter Transmission device, the Filter Transmission device include drive connecting rod and Follower link, in which: the both ends of the follower link are rotatably connected with the rack and the screening plant frame respectively, institute It states one end of drive connecting rod and the rack is rotatably connected to form fixing end, the other end of the drive connecting rod and the screening Device frame is connected to form mobile terminal, and the mobile terminal can be round-trip around the fixing end under the driving of the power device Rotation is so that the screening plant frame back and forth movement.

Preferably, the driving device further includes threshing transmission device, and the sheller unit includes the first grain threshing roller and the Two grain threshing rollers, in which: first grain threshing roller and second grain threshing roller are arranged in parallel, and one end of first grain threshing roller passes through The actuating unit is connected with the power device；The other end of first grain threshing roller passes through the threshing transmission device It is connected with the input terminal of second grain threshing roller.

Preferably, corn ear outlet is provided on the threshing bin, the position of the corn ear outlet is provided with conveying dress It sets, the driving device further includes conveyance device, in which: the conveying device includes transfer passage, the transfer passage Bottom be set as netted, be provided with guide channel below the transfer passage bottom, the guide channel and the threshing Storehouse perforation；The output end of second grain threshing roller is connected by the conveyance device with the transfer passage, the conveying Channel back and forth movement under the driving of the output end of second grain threshing roller.

Preferably, the corn cell thresing machine further includes transport device, and the transport device includes transport pipeline and One blower, in which: the starting point of the transport pipeline is connected with niblet outlet, the clearing end setting of the transport pipeline There is discharge port；First blower is connected on the transport pipeline and provides transportation power for the transport pipeline.

Preferably, the corn cell thresing machine further includes dust exhaust, and the dust exhaust includes air duct and the second wind Machine, in which: the suction opening in the air duct is arranged on the transport pipeline, and the dust-exhausting port in the air duct is arranged in the rack On；First blower is connected on the air duct and provides dust discharge power for the air duct.

Preferably, the driving device further includes transport transmission device, in which: shaft one end of second blower passes through The threshing transmission device is connected with first grain threshing roller；The shaft other end of second blower is driven by the transport Device is connected with the shaft of first blower.

Preferably, feed hopper is provided on the threshing bin, the feed hopper includes fixed part and movable part, the fixation Portion is fixed on the threshing bin, and the movable part may be reversed and be mounted on the fixing part.

At least there is following technical effect in a kind of corn cell thresing machine provided by the utility model:

The screening plant is arranged in the rack and is connected with the driving device, and the driving device power provides Abundance, the rack support are firm；It is disposed with the first sieve and the second sieve from top to bottom in the screening plant frame, The network interface bore of first sieve is less than the network interface bore of second sieve, and the first sieve and the second sieve are sieved simultaneously Choosing, improves the screening effect of niblet；It is provided with impurity passing away on first sieve, is provided on second sieve Niblet outlet, niblet can efficiently separate out the impurity mixed in niblet and niblet while screening, and will be beautiful The grain of rice and impurity discharge；The screening plant frame is connected with the driving device, and can be under the driving of the driving device Back and forth movement is done, the screening plant frame and the driving device, which are matched, is combined into the first sieve and the second sieve offer screening and fortune Defeated power keeps screening effect more significant.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the utility model structure diagram；

Fig. 2 is the utility model screening plant and Filter Transmission apparatus structure schematic diagram；

Fig. 3 is the utility model actuating unit structural schematic diagram；

Fig. 4 is the utility model sheller unit and threshing transmission structures schematic diagram；

Fig. 5 is the utility model dust exhaust and transport device structural schematic diagram；

Fig. 6 is the utility model conveying device structural schematic diagram；

Fig. 7 is the utility model conveyance apparatus structure schematic diagram；

Fig. 8 is the utility model feeding hopper structure schematic diagram.

Appended drawing reference

1- rack；2- screening plant；21- screening plant frame；The first sieve of 22-；221- impurity passing away；23- Two sieves；The outlet of 231- niblet；3- driving device；31- power device；32- threshing transmission device；The first sprocket wheel of 321-； 322- transmission chain；The second sprocket wheel of 323-；324- third sprocket wheel；33- transports transmission device；34- Filter Transmission device；341- is driven Connecting rod；342- drive connecting rod；35- actuating unit；The first transmission belt of 351-；The second transmission belt of 352-；353- output wheel； 354- stripper wheel；355- screening wheel；356- first connecting rod；The second connecting rod of 357-；36- eccentric shaft；4- electric cabinet；5- threshing Storehouse；51- sheller unit；The first grain threshing roller of 511-；The second grain threshing roller of 512-；52- feed hopper；521- movable part；522- fixed part； 6- dust exhaust；The air duct 61-；611- suction opening；612- dust-exhausting port；The second blower of 62-；7- transport device；71- transport pipeline； The first blower of 72-；8- conveying device；81- transfer passage；811- limited block；82- guide channel.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

The utility model provides a kind of corn cell thresing machine, such as Fig. 1 the utility model structure diagram and Fig. 2 this reality Shown in novel screening plant and Filter Transmission apparatus structure schematic diagram, including rack 1, screening plant 2 and driving device 3, sieve Screening device 2 is arranged in rack 1 and is connected with driving device 3, in which: screening plant 2 includes screening plant frame 21, screening dress It sets and is disposed with the first sieve 22 and the second sieve 23 in frame 21 from top to bottom, the network interface bore of the first sieve 22 is greater than the The network interface bore of two sieves 23 is provided with impurity passing away 221 on first sieve 22, is provided with niblet on the second sieve 23 Outlet 231, screening plant frame 21 is connected with driving device 3 and can do back and forth movement under the driving of driving device 3.

When corn threshing, driving device 3 drives screening plant frame 2 to do back and forth movement, the first sieve 22 and the second sieve 23 do back and forth movement with screening plant frame 2, at this point, the niblet and lesser particle that screen for the first time through the first sieve 22 can lead to The network interface for crossing the first sieve 22, which is fallen on the second sieve 23, carries out postsearch screening, the larger impurity being trapped on the first sieve 22 Then as the back and forth movement of the first sieve 22 is discharged out of impurity passing away 221, the lesser impurity of particle then and secondary sieve It chooses and is discharged from the network interface of the second sieve 23, screened the corn being trapped in later on the second sieve 23 with postsearch screening for the first time Grain transports away with the back and forth movement of the second sieve 23 from niblet outlet 231；The utility model screening plant can be complete simultaneously At first screening and postsearch screening, it can efficiently separate and niblet and impurity after threshing is discharged, screening effect is significant.

Optionally embodiment, as shown in Fig. 2, the second sieve 23 is obliquely installed, and the second sieve 23 is along far from beautiful The direction height of grain of rice outlet 231 is sequentially increased；First sieve 22 is arranged in parallel relative to the second sieve 23, be obliquely installed One sieve 22 and the second sieve 23 can facilitate the output of niblet and the discharge of impurity；Go out on second sieve 23 close to niblet One end of mouth 231 is provided with baffle, and the baffle can effectively prevent impurity to fall on the first sieve 22, impurity passing away 221 along the baffle plate setting, it is preferable that the position height on impurity passing away 221 far from outlet is higher than the outlet Position height, be conducive to the discharge of impurity.

Optionally embodiment, as shown in Figure 1, Figure 2, Fig. 3 the utility model actuating unit structural schematic diagram and Fig. 4 Shown in the utility model sheller unit and threshing transmission structures schematic diagram, it is arranged in rack 1 positioned at the top of screening plant 2 There is threshing bin 5, the bottom of threshing bin 5 is set as netted, and sheller unit 51 is provided in threshing bin 5；Driving device 3 includes power Device 31 and actuating unit 35, sheller unit 51 are connected by actuating unit 35 with power device 31, bottom setting For netted threshing bin 5 by after threshing corn ear and niblet be isolated, can for the first time to after threshing niblet carry out roughing.

Optionally embodiment, as shown in Fig. 2, driving device 3 further includes Filter Transmission device 34, Filter Transmission dress Set 34 include drive connecting rod 342 and follower link 341, in which: the both ends of follower link 341 respectively with rack 1 and screening plant Frame 21 is rotatably connected, and one end of drive connecting rod 342 and rack 1 are rotatably connected to form fixing end, drive connecting rod 342 it is another One end and screening plant frame 21 are connected to form mobile terminal, and the mobile terminal can be under the driving of power device 31 around described Fixing end rotates back and forth so that 21 back and forth movement of screening plant frame；Filter Transmission device 34 uses link mechanism, and structure is simple, It loads big and not easy to wear.

Optionally embodiment, driving device 3 further include threshing transmission device 32, and sheller unit 51 includes first de- Grain roller 511 and the second grain threshing roller 512, in which: the first grain threshing roller 511 and the second grain threshing roller 512 are arranged in parallel, the first grain threshing roller 511 one end is connected by actuating unit 35 with power device 31；The other end of first grain threshing roller 511 is driven by threshing Device 32 is connected with the input terminal of the second grain threshing roller 512；Preferably, threshing transmission device 32 includes the first sprocket wheel 321, the second chain One end of wheel 323 and transmission chain 322, the first grain threshing roller 511 is connected by actuating unit 35 with power device 31, and first is de- The other end of grain roller 511 is connected with the first sprocket wheel 321, and the input terminal of the second grain threshing roller 512 is connected with the second sprocket wheel 323, and first Sprocket wheel 321 is connected by transmission chain 322 with the second sprocket wheel 323.

Optionally embodiment, as shown in figure 4, actuating unit 35 includes screening wheel 355,354 and of stripper wheel Output wheel 353, output wheel 353 are connected with power device 31, and stripper wheel 354 is connected with the first grain threshing roller 511, and stripper wheel 354 is set It is set to the first pulley and the second belt wheel of layering setting, the diameter of the first pulley is greater than the diameter of second belt wheel, institute It states first pulley to be connected by the second transmission belt 352 with output wheel 353, second belt wheel passes through the first transmission belt 351 and sieve Choosing wheel 355 is connected, and screening wheel 355 is rotatably provided in rack 1 by bearing, and 355 eccentric position of screening wheel connects with first The upper end of extension bar 356 is rotatably connected, and the middle section section of drive connecting rod 342 extends outward to form interconnecting piece, the second connecting rod 357 It is vertically fixed on the interconnecting piece, the lower end of first connecting rod 356 is rotatably connected with second connecting rod 357.

When corn cell thresing machine work, the power that power device 31 provides is transmitted by the second transmission belt 352 On to the first pulley, power drives to the first grain threshing roller 511 after the first pulley and second belt wheel are slowed down On, at this point, sheller unit 51 starts threshing work；When second belt wheel rotation, power passes through first transmission belt 351 It is transferred to screening wheel 355, and screening wheel 355 and first connecting rod 356 form cam mechanism, and the rotation of screening wheel 355 is converted For the movement up and down of 356 lower end of first connecting rod, and then screening is driven by the second connecting rod 356 and drive connecting rod 342 Device frame 21 carries out back and forth movement, starts screening operation；Actuating unit 35 uses tape handler and cam drive machine The combination of structure realizes screening and threshing while progress, and structure is simple, significant effect.

Optionally embodiment, as Fig. 6 the utility model conveying device structural schematic diagram and Fig. 7 the utility model are defeated It send shown in transmission structures schematic diagram, corn ear outlet is provided on threshing bin 5, the position of the corn ear outlet is provided with Conveying device 8, driving device 3 further include conveyance device 36, in which: conveying device 8 includes transfer passage 81, transfer passage 81 bottom is set as netted, and guide channel 82 is provided with below 81 bottom of transfer passage, and guide channel 82 is passed through with threshing bin 5 It is logical；The output end of second grain threshing roller 512 is connected by conveyance device 36 with transfer passage 81, and transfer passage 81 is de- second Back and forth movement under the driving of the output end of grain roller 512；Preferably, limited block there are two the bottom lower end settings of transfer passage 81, Conveyance device 36 includes the eccentric shaft that is arranged on 512 output end of the second grain threshing roller, the two sides of the eccentric shaft respectively with Two limited blocks offset, when the second grain threshing roller 512 rotates, the eccentric shaft rotation, to drive transfer passage 81 Approximate round trip movement is done, it is further preferred that 81 vertical direction of transfer passage is provided with limiting device, the top of the limited block Always with the bottom of transfer passage 81 mutually from transfer passage 81 does past in horizontal direction under the drive of the eccentric shaft at this time Return movement.

Optionally embodiment, as shown in Fig. 5 the utility model dust exhaust and transport device structural schematic diagram, institute Stating corn cell thresing machine further includes transport device 7, and transport device 7 includes transport pipeline 71 and the first blower 72, in which: transport The starting point of pipeline 71 is connected with niblet outlet 231, and the clearing end of transport pipeline 71 is provided with discharge port, transport pipeline The position of 71 clearing ends is provided with hopper, and the lower section of the hopper is arranged in the discharge gate；First blower 72 is connected to Transportation power is provided on transport pipeline 71 and for transport pipeline 71；Transport device 7 transports niblet, conevying efficiency by wind pressure It is high.

Optionally embodiment, as shown in figure 5, the corn cell thresing machine further includes dust exhaust 6, dust discharge dress Setting 6 includes air duct 61 and the second blower 62, in which: the suction opening 611 in air duct 61 is arranged on transport pipeline 71, suction opening 611 The top of the hopper is set, when niblet enters the hopper and excludes to the discharge gate, 611 energy of suction opening It is enough effectively to extract the impurity mixed in niblet, further niblet is screened, keeps the screening of niblet more thorough, Effect is more significant；The dust-exhausting port 612 in air duct 61 is arranged in rack 1；First blower 72 is connected on air duct 61 and is air duct 61 provide dust discharge power.

Optionally embodiment, as shown in Figure 4 and Figure 5, driving device 3 further include transport transmission device 33, in which: Shaft one end of second blower 62 is connected by threshing transmission device 32 with the first grain threshing roller 511；The shaft of second blower 62 is another One end is connected by transporting transmission device 33 with the shaft of the first blower 72；Threshing transmission device 32 further includes third sprocket wheel 324, Third sprocket wheel 324 is connected by transmission chain 322 with the first grain threshing roller 511, and the power of the first grain threshing roller 511 is enable to be transferred to the The shaft of one blower 72.

Optionally embodiment is arranged on threshing bin 5 as shown in Fig. 8 the utility model feeding hopper structure schematic diagram There is feed hopper 52, feed hopper 52 includes fixed part 522 and movable part 521, and the fixed part 522 is fixed on threshing bin 5, The movable part 521 may be reversed and be mounted on the fixed part 522；The setting of feed hopper 52 can place a large amount of jade simultaneously Rice, increases substantially the threshing efficiency of the corn cell thresing machine.

Optionally embodiment, power device 31 are provided with motor, and electric cabinet 4, electric cabinet 4 are provided in rack 1 It is inside provided with electric-controlled switch, the electric-controlled switch is electrically connected with power device 31, and the electric-controlled switch is for power device 31 It opens or closes.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (10)

1. a kind of corn cell thresing machine, which is characterized in that described including rack (1), screening plant (2) and driving device (3) Screening plant (2) is arranged on the rack (1) and is connected with the driving device (3), in which:

The screening plant (2) includes screening plant frame (21), is successively set from top to bottom in the screening plant frame (21) It is equipped with the first sieve (22) and the second sieve (23), the network interface bore of first sieve (22) is greater than second sieve (23) Network interface bore, be provided with impurity passing away (221) on first sieve (22), be provided on second sieve (23) Niblet exports (231), and the screening plant frame (21) is connected with the driving device (3) and can be in the driving device (3) back and forth movement is done under driving.

2. corn cell thresing machine according to claim 1, which is characterized in that second sieve (23) is obliquely installed, And second sieve (23) is sequentially increased along the direction height far from niblet outlet (231)；

First sieve (22) is arranged in parallel relative to second sieve (23), and second sieve (23) is close to the jade One end of grain of rice outlet (231) is provided with baffle, and the impurity passing away (221) is along the baffle plate setting.

3. corn cell thresing machine according to claim 1, which is characterized in that be located at the screening on the rack (1) It is provided with above device (2) threshing bin (5), the bottom of the threshing bin (5) is set as netted, sets in the threshing bin (5) It is equipped with sheller unit (51)；

The driving device (3) includes power device (31) and actuating unit (35), and the sheller unit (51) passes through institute Actuating unit (35) is stated to be connected with the power device (31).

4. corn cell thresing machine according to claim 3, which is characterized in that the driving device (3) further includes screening Transmission device (34), the Filter Transmission device (34) include drive connecting rod (342) and follower link (341), in which:

The both ends of the follower link (341) are rotatably connected with the rack (1) and the screening plant frame (21) respectively, One end and the rack (1) of the drive connecting rod (342) are rotatably connected to form fixing end, the drive connecting rod (342) The other end and the screening plant frame (21) are connected to form mobile terminal, and the mobile terminal can be in the drive of the power device (31) It is rotated back and forth around the fixing end under dynamic so that the screening plant frame (21) back and forth movement.

5. corn cell thresing machine according to claim 3, which is characterized in that the driving device (3) includes that threshing passes Dynamic device (32), the sheller unit (51) include the first grain threshing roller (511) and the second grain threshing roller (512), in which:

First grain threshing roller (511) and second grain threshing roller (512) are arranged in parallel, and the one of first grain threshing roller (511) End is connected by the actuating unit (35) with the power device (31)；

The other end of first grain threshing roller (511) passes through the threshing transmission device (32) and second grain threshing roller (512) Input terminal be connected.

6. corn cell thresing machine according to claim 5, which is characterized in that be provided with corn on the threshing bin (5) The position of stick outlet, the corn ear outlet is provided with conveying device (8), and the driving device (3) further includes conveyance dress Set (36), in which:

The conveying device (8) includes transfer passage (81), and the bottom of the transfer passage (81) is set as netted, the conveying It is provided with guide channel (82) below channel (81) bottom, the guide channel (82) and the threshing bin (5) penetrate through；

The output end of second grain threshing roller (512) passes through the conveyance device (36) and the transfer passage (81) phase Even, the transfer passage (81) back and forth movement under the driving of the output end of second grain threshing roller (512).

7. corn cell thresing machine according to claim 5, which is characterized in that the corn cell thresing machine further includes fortune Defeated device (7), the transport device (7) include transport pipeline (71) and the first blower (72), in which:

The starting point of the transport pipeline (71) exports (231) with the niblet and is connected, the termination of the transport pipeline (71) End is provided with discharge port；

First blower (72) is connected on the transport pipeline (71) and provides transportation power for the transport pipeline (71).

8. corn cell thresing machine according to claim 7, which is characterized in that the corn cell thresing machine further includes row Dirt device (6), the dust exhaust (6) include air duct (61) and the second blower (62), in which:

The suction opening (611) of the air duct (61) is arranged on the transport pipeline (71), the dust-exhausting port of the air duct (61) (612) it is arranged on the rack (1)；

First blower (72) is connected on the air duct (61) and provides dust discharge power for the air duct (61).

9. corn cell thresing machine according to claim 8, which is characterized in that the driving device (3) further includes transport Transmission device (33), in which:

Shaft one end of second blower (62) passes through the threshing transmission device (32) and the first grain threshing roller (511) phase Even；

The shaft other end of second blower (62) passes through transport transmission device (33) and first blower (72) Shaft is connected.

10. corn cell thresing machine according to claim 3, which is characterized in that be provided with charging on the threshing bin (5) It struggles against (52), the feed hopper (52) includes fixed part (522) and movable part (521), and the fixed part (522) is fixed at institute It states on threshing bin (5), the movable part (521), may be reversed and be mounted on the fixed part (522).