CN201632421U

CN201632421U - High-efficient grain cleaning machine

Info

Publication number: CN201632421U
Application number: CN2010200460498U
Authority: CN
Inventors: 邢建平; 党大风
Original assignee: SANLI CROP FINE SORTING MACHINERY CO Ltd SHIJIAZHUANG
Current assignee: SANLI CROP FINE SORTING MACHINERY CO Ltd SHIJIAZHUANG
Priority date: 2010-01-08
Filing date: 2010-01-08
Publication date: 2010-11-17
Anticipated expiration: 2020-01-08

Abstract

The utility model relates to a grain cleaning machine comprising a frame, a conveying device, a winnowing device and a screening device, wherein the winnowing device consists of a bellows body and screen plates consisting of a bottom screen plate and an upper screen plate; a middle wind guiding cover plate and an upper wind guiding cover plate connecting together are arranged on the bellows body at the upper ends of the bottom screen plate and the upper screen plate; the materials enter the bottom screen plate and flow towards the direction of a discharging hole and are layered under the vibration of the bottom screen plate; when the materials flow to the discharging hole of the bottom screen plate, the light materials are absorbed on the upper screen plate, then the materials continue to be layered, and the repeated layering and impurity absorbing process of the materials is completed in the winnowing device, therefore, the cleanliness of the materials after winnowing is greatly improved; meanwhile, the volume of the bellows body is large enough to hold more materials compared to the vertical winnowing device, therefore, the processing efficiency is improved.

Description

Efficient grain cleaning car

Technical field

The utility model relates to a kind of seed processing machinery, particularly a kind of productivity ratio height, the effective grain cleaning car of feed separation.

Background technology

In existing technology, the grain cleaning car all adopts vertical vertical pneumatic separation device to carry out gettering and handles, the disclosed a kind of grain cleaning car of Chinese patent publication number CN2647448Y, be by running gear, frame and four layers of sieve screening plant that upward are provided with thereof, four layers of sieve screening plant front upper be provided with once with secondary kind material pneumatic separation device, the spiral dust catcher device that kind material elevator that is provided with on the frame of the centrifugal blower that is provided with on the frame of four layers of sieve screening plant front end one side and four layers of sieve screening plant front end opposite side and frame front are provided with constitutes, the operation principle of the pneumatic separation device described in this grain cleaning car is that the critical floating velocity according to material comes separation of material, be that the floating velocity of material is when being lower than wind speed, material will be siphoned away by wind, otherwise material will fall, utilize vertical vertical pneumatic separation device effect in equipment in the past of this principle design fine, but under the situation of the big productivity ratio of present stage customer requirements, this kind pneumatic separation device is because the restriction of structure, can not satisfy user's demand, in improved procedure to this kind sorting unit, if widen pipeline, air will produce eddy current in pneumatic separation device, it is inhomogeneous etc. that wind-force flows, it is not thorough to cause in the material impurity to separate, and the good grain in the material is sucked away, do not reach desirable cleanliness standard, can not satisfy the requirement of production, be that the vertical pneumatic separation device of this class can produce the contradiction about gettering efficient and processing throughput, in present seed processing, processing throughput is more and more higher, require the working (machining) efficiency and the speed of corresponding machinery more and more higher, therefore this grain cleaning car can not satisfy the requirement of production and processing.

The utility model content

The technical problems to be solved in the utility model provides a kind of grain cleaning car that can effectively improve seed working (machining) efficiency and good separating effect.

The technical scheme that the utility model is taked is: the grain cleaning car comprises frame, be arranged on the conveying device on the frame, the pneumatic separation device that is connected by hopper and conveying device, the screening plant that is positioned at the pneumatic separation device lower end that is connected with the pneumatic separation device port of export, pneumatic separation device is by passing through communicating pipe, wind box that airduct is connected with centrifugal blower and the sieve plate of fixedlying connected with wind box that is arranged in the wind box constitute, sieve plate is made of end sieve plate and upper sieve plate, upper sieve plate is arranged on the upper end of end sieve plate, upper sieve plate is arranged on the gettering mouth lower end of wind box, the wind box of the upper end of end sieve plate and upper sieve plate is provided with middle wind-guiding cover plate and the last wind-guiding cover plate that is connected, the middle deep bead of middle wind guide cover front edge of board is arranged on the upper end of end sieve plate, the last deep bead of last wind guide cover front edge of board is arranged on the upper end of upper sieve plate, and wind box is connected with vibrating device; Frame is provided with the spiral dust catcher that is connected by communicating pipe and pneumatic separation device upper end, spiral dust catcher is connected with centrifugal blower by airduct, below spiral dust catcher, be provided with the knot screen that is used to remove impurity, wind box is by four bracing frames and be arranged on four support springs on the bracing frame and be fixed on the frame, wind box is connected with screening plant by link, wind box is by regulating the fixedly slotted hole at its angle of inclination, set bolt is connected with frame, and the shape of middle wind-guiding cover plate and last wind-guiding cover plate is respectively circular arc, triangle or polygon; Conveying device comprises the fixed mount that is arranged on the frame, be arranged on passing through cylinder that bearing is connected with fixed mount, being sleeved on the cycloconveyor belt on the cylinder, the drive motors that is arranged on the defeated hopper that is used for convey materials on the cycloconveyor belt and rotates by the belt transmission head roll of fixed mount two ends, the conveying device that is arranged on the frame is oblique setting, the lower end of conveying device is provided with feeding hopper, and the discharging opening of pneumatic separation device is connected with the import of screening plant by leading the grain groove.

The employing the beneficial effects of the utility model are: adopt the utility model material to enter on the end sieve plate from grog device hopper, pneumatic separation device is under the double vibrations of vibration source, material moves to the discharging opening direction on end sieve plate, because the effect of wind-force and vibration, material can carry out layering by the proportion of particle, be that light material swims in the upper strata, heavier feeds sinks in lower floor, material flow during to the discharging opening of the end sieve plate material enter discharging opening, in wind-guiding cover plate and last wind-guiding cover plate play a part guides wind to and controlled wind speed, middle deep bead and last deep bead play a part to make material to drop on layering again on end sieve plate and the upper sieve plate respectively; Under the effect of wind-force, light material is drawn on the upper sieve plate, on upper sieve plate, material continues layering, a small amount of heavier feeds is delivered to discharging opening, light material is inhaled on the upper sieve plate, on upper sieve plate, material is also wanted layering under the effect of wind-force and vibration, the heavier feeds of less amount is delivered on the upper sieve plate, will be siphoned away by wind at the light material of upper sieve plate, material is finished layering gettering process repeatedly in pneumatic separation device, make through the material cleanliness after the selection by winnowing and greatly improve, thereby productivity ratio also improves accordingly; Because the volume of wind box is big, can hold simultaneously, thereby improve working (machining) efficiency than the more material of vertical pneumatic separation device.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is that pneumatic separation device of the present utility model adopts circular arc wind guide cover plate structure schematic diagram;

Fig. 3 is that pneumatic separation device of the present utility model adopts triangle wind guide cover plate structure schematic diagram;

Fig. 4 is that pneumatic separation device of the present utility model adopts polygon wind guide cover plate structure schematic diagram;

Fig. 5 is that pneumatic separation device of the present utility model adopts circular arc wind-guiding cover plate plan structure schematic diagram.

In the accompanying drawings: 1 frame, 2 bracing frames, 3 vibrating motors, 4 pneumatic separation devices, 5 lead the grain groove, 6 fixing slotted holes, 7 trash discharging apparatus, 8 drive motors, 9 cycloconveyor belts, 10 cylinders, 11 feeding hoppers, 12 conveying devices, 13 centrifugal blowers, 14 airducts, 15 spiral dust catchers, 16 hoppers, 17 communicating pipes, 18 are communicated with flexible pipe, deep bead on 19, wind-guiding cover plate on 20, deep bead in 21, wind-guiding cover plate in 22,23 wind box, 24 support springs, 25 links, 26 screening plants, 27 go out tanker, 28 end sieve plates, 29 entrust roller, 30 upper sieve plates, 31 gettering mouths, 32 discharging openings, 33 defeated hoppers.

The specific embodiment

Accompanying drawing 1-5 is a specific embodiment of the utility model, the utility model comprises frame 1, be arranged on the conveying device 12 on the frame 1, the pneumatic separation device 4 that is connected by hopper 16 and conveying device 12, the screening plant that is positioned at the pneumatic separation device lower end 26 that is connected with pneumatic separation device 4 ports of export, described pneumatic separation device 4 is by passing through communicating pipe 17, wind box 23 that airduct 14 is connected with centrifugal blower 13 and the sieve plate of fixedlying connected with wind box 23 that is arranged in the wind box 23 constitute, described sieve plate is made of end sieve plate 28 and upper sieve plate 30, upper sieve plate 30 is arranged on the upper end of end sieve plate 28, upper sieve plate 30 is arranged on gettering mouth 31 places of wind box 23, at the discharging opening place, the discharge end of upper sieve plate 30 is concordant with the discharge end of end sieve plate 28 as shown in drawings or be shorter than the discharge end of end sieve plate 28.The wind box 23 of the upper end of upper sieve plate 30 is provided with wind-guiding cover plate 20, the middle deep bead 21 of middle wind-guiding cover plate 22 front ends is arranged on the upper end of end sieve plate 28, the last deep bead 19 of last wind-guiding cover plate 20 front ends is arranged on the upper end of upper sieve plate 30, and wind box 23 is connected with vibrating device.In wind-guiding cover plate 22 and last wind-guiding cover plate 20 play a part guides wind to and controlled wind speed, middle deep bead 21 and last deep bead 19 play a part to make material to drop on layering again on end sieve plate 28 and the upper sieve plate 30 respectively; Frame 1 is provided with the spiral dust catcher 15 that is connected by communicating pipe 17 and pneumatic separation device 4 upper ends, also can adopt sack cleaner, spiral dust catcher 15 is connected with centrifugal blower 13 by airduct 14, be provided with the trash discharging apparatus 7 that is used to remove impurity below spiral dust catcher 15, very environment friendly convenient discharges impurity.Wind box 23 is by four bracing frames 2 and be arranged on four support springs 24 on the bracing frame 2 and be fixed on the frame 1, and the utility model wind box 23 also can adopt four supports and be arranged on four extension springs on the support wind box 23 is lifted on the frame 1.Wind box 23 is connected with screening plant 26 by link 25, so that pneumatic separation device 4 and screening plant 26 are connected as a single entity, make screening plant 26 drive pneumatic separation device 4 vibrations, the utility model also can adopt directly and on wind box 23 vibrating motor is set, and drives

upper sieve plate

30 and 28 vibrations of end sieve plate.The shape of middle wind-guiding cover plate 22 and last wind-guiding cover plate 20 is respectively circular arc, triangle or polygon, when central wind-guiding cover plate 22 is circular arc, last wind-guiding cover plate 20 can be circular arc, triangle or polygon, same when last wind-guiding cover plate 20 is circular arc, middle wind-guiding cover plate 22 can be circular arc, triangle or polygon.Wind box 23 is connected with frame 1 by fixedly slotted hole 6, the set bolt that can regulate its angle of inclination, can adjust the angle of inclination of wind box 23 so at any time; Described conveying device of the present utility model 12 can adopt as publication number and be the vertical type conveying device in " CN2647448Y " disclosed a kind of grain cleaning car.The conveying device 12 that the utility model shown in the accompanying drawing 1 is arranged on the frame 1 is oblique setting, described conveying device 12 comprises the fixed mount that is arranged on the frame 1, be arranged on the cylinder 10 that bearing is connected with fixed mount that passes through at fixed mount two ends, be sleeved on the cycloconveyor belt 9 on the cylinder 10, the drive motors 8 that is arranged on the defeated hopper 33 that is used for convey materials on the cycloconveyor belt 9 and rotates by belt transmission head roll 10, defeated hopper 33 can also be scraped tabular, the lower end of conveying device 12 is provided with feeding hopper 11, material enters the defeated hopper 33 of conveying device 12 through feeding hopper 11, hoisted by cycloconveyor belt 9 oblique bands, enter pneumatic separation device 4 through hopper 16, the fixed mount of conveying device 12 is provided with in order to what support cycloconveyor belt 9 and entrusts roller 29, because conveying device 12 is oblique setting, can reduce the velocity of rotation of cycloconveyor belt 9, thereby make its operation more steady, reduce dropping of material, simultaneously because cycloconveyor belt 9 is not vertically disposed, the material at the peak place is difficult for dropping between cycloconveyor belt 9 and the cylinder 10 and crushed.

The utility model wind box 23 is connected with screening plant 26 by link 25, material enters on the end sieve plate 28 from hopper 16, the double vibrations of pneumatic separation device 4 under the drive of screening plant 26, material moves to discharging opening 32 directions on end sieve plate 28, wind box 23 is under the effect of wind-force and vibration, material can carry out layering by the proportion of particle, be that light material swims in the upper strata, heavier feeds sinks in lower floor, material flow is to the port of export of end sieve plate 28, during to discharging opening 32, heavier feeds enters discharging opening 32 places.In wind-guiding cover plate 22 and last wind-guiding cover plate 20 play a part guides wind to and controlled wind speed, middle deep bead 21 and last deep bead 19 play a part to make material to drop on layering again on end sieve plate 28 and the upper sieve plate 30 respectively; Under the effect of wind-force, light material is sucked on the upper sieve plate 30 from end sieve plate 28, on upper sieve plate 30, material continues layering, a small amount of heavier feeds is delivered to discharging opening 32 enters screening plant 26, light material at upper sieve plate 30 will be siphoned away by wind, through being communicated with flexible pipe 18, enter communicating pipe 17 in the spiral dust catcher 15, discharge through trash discharging apparatus 7, enter in the screening plant 26 by leading grain groove 5 through discharging opening 32 through the material after the selection by winnowing, flow out from going out tanker 27 by screening plant 26 then, material is finished layering gettering process repeatedly in pneumatic separation device 4, make through the material cleanliness after the selection by winnowing and greatly improve, thereby productivity ratio also improves accordingly.

The vibration source of pneumatic separation device 4 can be the vibration source that pneumatic separation device 4 carries, and promptly on wind box 23 vibrating motor is set, also can adopt between pneumatic separation device 4 and the screening plant 26 be connected by link 25 and with the modes of screening plant 26 common vibrations.

The end of the present utility model sieve plate 28, upper sieve plate 30 can adopt flap sieve, stamped sieve or mesh grid etc. as sieve plate, support spring 24 is rubber spring or other elastic components, so that pneumatic separation device 4 is supported or is lifted on the frame 1, and minimizing is to the vibration of other parts of complete machine.

Described material is corn, wheat, mung bean, millet, Chinese sorghum and melon seeds or the like.

Claims

1. efficient grain cleaning car, it is characterized in that it comprises frame (1), be arranged on the conveying device (12) on the frame (1), the pneumatic separation device (4) that is connected by hopper (16) and conveying device (12), and the screening plant (26) that is positioned at pneumatic separation device (4) lower end that is connected of pneumatic separation device (4) port of export, described pneumatic separation device (4) is by passing through communicating pipe (17), wind box (23) that airduct (14) is connected with centrifugal blower (13) and the sieve plate of fixedlying connected with wind box (23) that is arranged in the wind box (23) constitute, described sieve plate is made of end sieve plate (28) and upper sieve plate (30), upper sieve plate (30) is arranged on the upper end of end sieve plate (28), upper sieve plate (30) is arranged on gettering mouth (31) lower end of wind box (23), the wind box (23) of the end sieve plate (28) and the upper end of upper sieve plate (30) is provided with middle wind-guiding cover plate (22) and the last wind-guiding cover plate (20) that is connected, the middle deep bead (21) of middle wind-guiding cover plate (22) front end is arranged on the upper end of end sieve plate (28), the last deep bead (19) of last wind-guiding cover plate (20) front end is arranged on the upper end of upper sieve plate (30), and wind box (23) is connected with vibrating device.

2. efficient grain cleaning car according to claim 1, it is characterized in that frame (1) is provided with the spiral dust catcher (15) that is connected by communicating pipe (17) and pneumatic separation device (4) upper end, spiral dust catcher (15) is connected with centrifugal blower (13) by airduct (14), is provided with the trash discharging apparatus (7) that is used to remove impurity in spiral dust catcher (15) below.

3. efficient grain cleaning car according to claim 1 and 2, it is characterized in that wind box (23) is fixed on the frame (1) by four bracing frames (2) and the support spring (24) that is arranged on four bracing frames (2), wind box (23) is connected with screening plant (26) by link (25).

4. efficient grain cleaning car according to claim 1 and 2 is characterized in that wind box (23) is connected by fixedly slotted hole (6), set bolt and the frame (1) that can regulate its angle of inclination.

5. efficient grain cleaning car according to claim 1 and 2 is characterized in that the shape of described middle wind-guiding cover plate (22) and last wind-guiding cover plate (20) is respectively circular arc, triangle or polygon.

6. efficient grain cleaning car according to claim 1 and 2, it is characterized in that described conveying device (12) comprises the fixed mount that is arranged on the frame (1), be arranged on the cylinder (10) that bearing is connected with fixed mount that passes through at fixed mount two ends, be sleeved on the cycloconveyor belt (9) on the cylinder (10), the drive motors (8) that is arranged on the defeated hopper (33) that is used for convey materials on the cycloconveyor belt (9) and rotates by belt transmission head roll (10), the conveying device (12) that is arranged on the frame (1) is oblique setting, and the lower end of conveying device (12) is provided with feeding hopper (11).

7. efficient grain cleaning car according to claim 1 and 2 is characterized in that the discharging opening (32) of described pneumatic separation device (4) is connected with the import of screening plant (26) by leading grain groove (5).