阅读说明：本技术 一种粮食自动换层的粮食烘干塔 (Grain drying tower capable of automatically changing layers for grains ) 是由 彭正飞 于 2020-05-09 设计创作，主要内容包括：本发明涉及粮食加工设备领域,具体是涉及一种粮食自动换层的粮食烘干塔,包括有:谷壳筛选机构,谷壳筛选机构底端出料端与第一机壳连通；分流烘干机构,包括有多组分流热风烘干器,所述分流热风烘干器依次设置在第一机壳内部,每组分流热风烘干器下料间隙与下层分流热风烘干器下料空隙竖直投影垂直；第一换层搅动器,设置在第一机壳内部；第一快门式开合器,设置在第一机壳底端；第二机壳,设置在第一机壳底端；冷却机构同轴设置在第二机壳内部；第二换层搅动器,工作端朝向冷却机构出料端；第二快门式开合器,设置在所述冷却机构底端出料端,所述开合器与控制器电连接,该装置能够有效的将粮食在烘干区和冷却区自动换层,且烘干效率更高。(The invention relates to the field of grain processing equipment, in particular to a grain drying tower capable of automatically changing layers for grains, which comprises a husk screening mechanism, a first drying tower and a second drying tower, wherein the discharge end at the bottom end of the husk screening mechanism is communicated with a first machine shell; the shunting drying mechanism comprises a plurality of groups of shunting hot air dryers, the shunting hot air dryers are sequentially arranged in the first shell, and the blanking gap of each group of shunting hot air dryers is vertical to the vertical projection of the blanking gap of the lower shunting hot air dryers; the first layer-changing agitator is arranged in the first machine shell; the first shutter type shutter is arranged at the bottom end of the first shell; the second shell is arranged at the bottom end of the first shell; the cooling mechanism is coaxially arranged in the second shell; the working end of the second layer-changing stirrer faces the discharge end of the cooling mechanism; the second shutter type opening and closing device is arranged at the discharge end at the bottom end of the cooling mechanism and electrically connected with the controller, and the device can effectively and automatically change layers of grains in a drying area and a cooling area and has higher drying efficiency.)

1. The utility model provides an automatic grain drying tower who trades layer of grain which characterized in that, including:

the discharging end at the bottom end of the husk screening mechanism (1) is communicated with the first machine shell (2);

the shunt drying mechanism comprises a plurality of groups of shunt hot air dryers (4), the shunt hot air dryers (4) are sequentially arranged in the first shell (2), and the blanking gap of each group of shunt hot air dryers (4) is vertical to the vertical projection of the blanking gap of the lower shunt hot air dryers (4);

the first layer-changing stirrer (5) is arranged in the first machine shell (2) and is positioned at the bottom end of the shunt drying mechanism;

the first shutter type shutter opening and closing device (3) is arranged at a discharge port at the bottom end of the first shell (2);

the second shell (6) is arranged at the bottom end of the first shell (2);

the cooling mechanism (7) is coaxially arranged in the second shell (6) and is positioned at the bottom end of the first shutter type shutter (3);

a second layer-changing stirrer (8), the working end of which is coaxial with the second machine shell (6) and vertically faces to the discharge end of the cooling mechanism (7);

and the second shutter type opener (9) is arranged at the discharge end at the bottom end of the cooling mechanism (7), and the opener is electrically connected with the controller.

2. The grain drying tower with automatic layer changing for grain according to claim 1 is characterized in that the shunting hot air dryer (4) comprises: the horn-shaped boxes (4 a) are sequentially arranged in the first machine shell (2) at equal intervals in the horizontal and vertical directions, and the horn end of each layer of horn-shaped box (4 a) is positioned in the middle of the bottom of the blanking gap of the upper layer of horn-shaped box (4 a); the blowing pipe (4 b) is coaxially arranged inside the horn-shaped box (4 a), two ends of the blowing pipe (4 b) are coaxially and fixedly connected with a sealing shaft (4 c) and a rotating end of a rotating joint (4 h) respectively, the sealing shaft (4 c) is coaxially and fixedly connected with a first bevel gear (4 d), the rotating joint (4 h) is fixedly arranged on the first machine shell (2), the input end of the rotating joint is communicated with the output end of a hot air conveying pipe (4 i), and second air holes (4 b 1) are uniformly distributed on the outer circumferential surface of the blowing pipe (4 b) at equal intervals along the axial direction; the rotating shaft (4 f), the rotating shaft (4 f) both ends are rotated through rotating the seat and are set up in first casing (2) one side, and equidistant coaxial second bevel gear (4 e) that is provided with on rotating shaft (4 f), first bevel gear (4 d) and second bevel gear (4 e) meshing, connect through first hold-in range transmission mechanism (4 j) synchronous drive between pivot (4 f), pivot (4 f) one end and the coaxial fixed connection of first servo motor (4 g) output shaft.

3. The grain drying tower for automatically changing the layers of the grains according to claim 1, wherein the first layer-changing agitator (5) comprises: the fixing plates (5 a) are vertically and uniformly distributed in the first machine shell (2) along the axial direction and are positioned at the bottom end of the split-flow hot air dryer (4), and the upper end and the lower end of each fixing plate (5 a) are radially provided with supports (5 a 1); the two ends of the first stirring roller (5 c) are vertically and rotatably arranged on the bracket (5 a 1) through a bearing (5 b); and the output shaft of the second servo motor (5 e) is in synchronous transmission connection with the first stirring roller (5 c) through a second synchronous belt transmission mechanism (5 d).

4. The grain drying tower with the automatic layer changing function for the grains according to claim 3, wherein the first stirring roller (5 c) comprises: a first rotating shaft (5 c 1), both ends of which are vertically and rotatably arranged on the bracket (5 a 1) through a bearing (5 b); the stirring rods (5 c 2) are spirally and vertically distributed on the circumferential surface of the first rotating shaft (5 c 1) along the axis; and an output shaft of the second servo motor (5 e) is in synchronous transmission connection with the first rotating shaft (5 c 1) through a second synchronous belt transmission mechanism (5 d).

5. The grain drying tower with the automatic layer changing function for the grains according to claim 1, wherein the cooling mechanism (7) comprises: the tip end of the conical box (7 a) is arranged in the second machine shell (6) in a coaxial mode and located at the bottom of the first shutter type opener-closer (3), the material dropping hopper (7 b) is arranged, the material opening of the conical box is arranged at the bottom of the conical box (7 a) in a coaxial mode and faces downwards, the inner diameter of the material dropping hopper is larger than the maximum outer diameter of the conical box (7 a), and a first cooling pipe (7 c) and a second cooling pipe (7 e) are wound on the inner wall of the conical box (7 a) and the outer wall of the material dropping hopper (7 b) respectively; and the radiating copper sheets (7 d) are uniformly distributed on the outer circumferential surface of the conical box (7 a) and the inner circumferential surface of the blanking hopper (7 b) along the axial direction.

6. The grain drying tower for automatically changing the layers of the grains according to claim 1, wherein the second layer-changing agitator (8) comprises: the third servo motor (8 a), the third servo motor (8 a) sets up in cone box (7 a) inside and output shaft coaxial run through cone box (7 a) bottom and the coaxial fixed connection of second stirring roller (8 b), second stirring roller (8 b) and first stirring roller (5 c) structure are the same completely.

7. The grain drying tower with the automatic grain layer changing function according to claim 1, wherein the blanking controller (1 a); an air separator (1 c); the air separator (1 c) is arranged at the bottom of the discharge end of the blanking controller (1 a), and the discharge end at the bottom of the air separator (1 c) is communicated with the feeding end of the first shell (2); the swinging blanking device (1 b), the swinging blanking device (1 b) is arranged at the top end in the air classifier (1 c) and is positioned at the bottom of the discharging end of the blanking controller (1 a), and the working end of the air classifier (1 c) horizontally faces to the feeding end of the waste material channel (1 d); the bottom end of the waste material channel (1 d) is positioned above the horizontal plane of the water tank (1 e).

8. The grain drying tower with the automatic layer changing function for the grains according to claim 7, wherein the blanking controller (1 a) comprises: a feed hopper (1 a 1); the circular shell (1 a 2), the circular shell (1 a 2) is coaxially arranged at the bottom end of the feed hopper (1 a 1), and the top end and the bottom end of the circular shell are respectively communicated with the feed hopper (1 a 1) and the air separator (1 c); the second rotating shaft (1 a 3) is coaxially and rotatably arranged in the circular shell (1 a 2) and one end of the second rotating shaft is in synchronous transmission connection with an output shaft of a fourth servo motor (1 a 6) through a third synchronous belt transmission mechanism (1 a 5); and the blades (1 a 4) are uniformly distributed on the circumferential surface of the second rotating shaft (1 a 3) along the shaft, and one end of each blade is in clearance fit with the inner wall of the circular shell (1 a 2).

9. The grain drying tower for automatically changing the layer of the grain according to claim 7, wherein the air separator (1 c) comprises: the blanking controller comprises a machine shell (1 c 1), a machine shell (1 c 1) is arranged at the bottom end of the blanking controller (1 a) and communicated with the discharging end of the blanking controller, the bottom end of the machine shell (1 c 1) is communicated with the top end of the first machine shell (2), and one side of the machine shell (1 c 1) is communicated with the top end of a waste material channel (1 d); and the blowing plate (1 c 3) has a working end horizontally facing the feeding end of the waste channel (1 d) and is arranged inside the machine shell (1 c 1) through a mounting plate (1 c 2).

10. The grain drying tower capable of automatically changing the layers of the grains according to claim 7, wherein the swinging blanking device (1 b) comprises a discharging hopper (1 b 1), a discharging port at the bottom end of the discharging hopper (1 b 1) is long and narrow, guide pillars (1 b 2) horizontally arranged at two ends of the discharging hopper (1 b 1) are horizontally arranged at the bottom of the discharging end of the discharging controller (1 a) in a sliding manner, and a connecting rod (1 b 3) used for fixing is arranged at one side of each guide pillar (1 b 2); the spring (1 b 4) is coaxially sleeved on the guide post (1 b 2), and two ends of the spring are respectively abutted against the inner wall of the first machine shell (2) and two sides of the discharging hopper (1 b 1); the connecting rod comprises a first connecting rod (1 b 5) and a second connecting rod (1 b 6), wherein the second connecting rod (1 b 6) is shorter than the first connecting rod (1 b 5), and two ends of the second connecting rod (1 b 6) are hinged with the middle position of the connecting rod (1 b 3) and one end of the first connecting rod (1 b 5) respectively; and an output shaft of the fifth servo motor (1 b 7), wherein the output shaft of the fifth servo motor (1 b 7) is fixedly connected with one end of the second connecting rod (1 b 6).

Technical Field

The invention relates to the field of grain processing equipment, in particular to a grain drying tower capable of automatically changing layers for grains.

Background

The grain drying tower is important grain storage and transportation equipment and is used for drying wet grains. The grain drying tower adopting the structure is used for fully drying grains in the grain drying process, the flowing speed of the grains in the drying process needs to be reduced, the time of contact between the grains and hot air is prolonged, and the grain drying tower is easy to generate burnt grains due to reasons of uneven moisture of the grains and the like, so that the grain drying quality is influenced.

Chinese patent CN201720696644.8 discloses a grain drying tower, which is used for drying grains, and is easy to accumulate and difficult to change layers.

Disclosure of Invention

The invention aims to solve the technical problem of providing a grain drying tower capable of automatically changing layers for grains.

In order to solve the technical problems, the invention provides the following technical scheme:

a grain drying tower capable of automatically changing layers for grains comprises a husk screening mechanism, a first drying mechanism and a second drying mechanism, wherein the discharge end at the bottom end of the husk screening mechanism is communicated with a first machine shell; the shunting drying mechanism comprises a plurality of groups of shunting hot air dryers, the shunting hot air dryers are sequentially arranged in the first shell, and the blanking gap of each group of shunting hot air dryers is vertical to the vertical projection of the blanking gap of the lower shunting hot air dryers; the first layer-changing stirrer is arranged in the first machine shell and is positioned at the bottom end of the shunt drying mechanism; the first shutter type shutter is arranged at a discharge port at the bottom end of the first casing; the second shell is arranged at the bottom end of the first shell; the cooling mechanism is coaxially arranged in the second shell and is positioned at the bottom end of the first shutter type shutter; the working end of the second layer-changing stirrer is coaxial with the second machine shell and vertically faces to the discharge end of the cooling mechanism; and the second shutter type opener is arranged at the discharge end at the bottom end of the cooling mechanism and is electrically connected with the controller.

Preferably, the split-flow hot air dryer comprises: the horn-shaped boxes are sequentially arranged in the first case at equal intervals in the horizontal and vertical directions, and the horn end of each layer of horn-shaped box is positioned in the middle of the bottom of the blanking gap of the upper layer of horn-shaped box; the blowing pipe is coaxially arranged inside the horn-shaped box, two ends of the blowing pipe are coaxially and fixedly connected with a sealing shaft and a rotating end of a rotating joint respectively, the sealing shaft is coaxially and fixedly connected with a first bevel gear, the rotating joint is fixedly arranged on the first shell, an input end of the rotating joint is communicated with an output end of a hot air conveying pipe, and second air holes are uniformly distributed on the outer circumferential surface of the blowing pipe at equal intervals along the axial direction; the two ends of the rotating shaft are rotatably arranged on one side of the first shell through the rotating seat, the rotating shaft is coaxially provided with second bevel gears at equal intervals, the first bevel gears are meshed with the second bevel gears, the rotating shafts are in synchronous transmission connection through a first synchronous belt transmission mechanism, and one end of the rotating shaft is coaxially and fixedly connected with an output shaft of the first servo motor.

Preferably, the first layer-changing agitator comprises: the fixed plates are vertically and uniformly distributed in the first machine shell along the axial direction and are positioned at the bottom end of the split-flow hot air dryer, and the upper end and the lower end of each fixed plate are radially provided with a bracket; the two ends of the first stirring roller are vertically and rotatably arranged on the bracket through bearings; and an output shaft of the second servo motor is in synchronous transmission connection with the first stirring roller through a second synchronous belt transmission mechanism.

Preferably, the first stirring roller includes: the two ends of the first rotating shaft are vertically and rotatably arranged on the bracket through bearings; the stirring rods are spirally and vertically and uniformly distributed on the circumferential surface of the first rotating shaft along the axis; and the output shaft of the second servo motor is in synchronous transmission connection with the first rotating shaft through a second synchronous belt transmission mechanism.

Preferably, the cooling mechanism comprises: the tip end of the cone-shaped box is upwards and coaxially arranged in the second shell and is positioned at the bottom of the first shutter type opener, the material outlet of the material falling hopper is downwards and coaxially arranged at the bottom of the cone-shaped box, the inner diameter of the material falling hopper is larger than the maximum outer diameter of the cone-shaped box, and the inner wall of the cone-shaped box and the outer wall of the material falling hopper are respectively wound with a first cooling pipe and a second cooling pipe; and the radiating copper sheets are uniformly distributed on the outer circumferential surface of the conical box and the inner circumferential surface of the blanking hopper along the axial direction.

Preferably, the second layer-changing agitator comprises: and the third servo motor is arranged in the conical box, an output shaft coaxially penetrates through the bottom end of the conical box and is coaxially and fixedly connected with the second stirring roller, and the second stirring roller has the same structure as the first stirring roller.

Preferably, a blanking controller; a winnowing machine; the air separator is arranged at the bottom of the discharge end of the blanking controller, and the discharge end at the bottom of the air separator is communicated with the feeding end of the first shell; the swinging blanking device is arranged at the top end in the air classifier and is positioned at the bottom of the discharge end of the blanking controller, and the working end of the air classifier horizontally faces the feeding end of the waste material channel; and the bottom end of the waste material channel is positioned above the water level of the water tank.

Preferably, the blanking controller includes: a feed hopper; the circular shell is coaxially arranged at the bottom end of the feed hopper, and the top end and the bottom end of the circular shell are communicated with the feed hopper and the air separator respectively; the second rotating shaft is coaxially and rotatably arranged in the circular shell, and one end of the second rotating shaft is in synchronous transmission connection with an output shaft of a fourth servo motor through a third synchronous belt transmission mechanism; and the blades are uniformly distributed on the circumferential surface of the second rotating shaft along the shaft, and one end of each blade is in clearance fit with the inner wall of the circular shell.

Preferably, the air separator comprises: the blanking controller is arranged at the bottom end of the blanking controller, the blanking controller is communicated with the discharging end of the blanking controller, the bottom end of the blanking controller is communicated with the top end of the first casing, and one side of the blanking controller is communicated with the top end of the waste channel; and the working end of the air blowing plate is horizontally arranged in the shell towards the feeding end of the waste material channel through a mounting plate.

Preferably, the swing blanking device comprises a discharge hopper, a discharge port at the bottom end of the discharge hopper is long and narrow, guide pillars are horizontally arranged at two ends of the discharge hopper and are horizontally arranged at the bottom of the discharge end of the blanking controller in a sliding manner, and a connecting rod for fixing is arranged at one side of each guide pillar; the spring is coaxially sleeved on the guide post, and two ends of the spring are respectively abutted against the inner wall of the first machine shell and two sides of the discharging hopper; the second connecting rod is shorter than the first connecting rod, and two ends of the second connecting rod are respectively hinged with the middle position of the connecting rod and one end of the first connecting rod; and an output shaft of the fifth servo motor is fixedly connected with one end of the second connecting rod.

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

when the grain dryer works, grain is poured into the hull screening mechanism through the top end of the hull screening mechanism, the hull screening mechanism carries out winnowing treatment on the grain containing hulls and lighter magazines so as to remove the hulls and the lighter magazines, so that the winnowed grain falls into the first machine shell under the action of weight and is dried through the multi-group shunt dryer, the blanking gap of each group of shunt hot air dryers is vertical to the vertical projection of the blanking gap of the lower-layer shunt hot air dryers, the grain is overturned and dried in multiple angles when passing through the blanking gap of each group of shunt hot air dryers, the drying is more thorough, the dried grain is accumulated at the bottom end in the first machine shell, the inside of the first machine shell is in a high-temperature state, the first layer-changing agitator at the bottom end of the shunt hot air dryers is started, and the working end of the first layer-changing agitator is rotated, thereby constantly stir grain, make grain dry under the stirring state, start first shutter type shutter device and make its work end open, thereby make the grain of the inside bottom of first casing drop in the second casing under gravity and stirring state, thereby accomplish the trade layer, make cooling body will be in the grain rapid cooling of high temperature state, start second trade layer agitator, through opening second shutter type shutter device work end, make refrigerated grain fall at gravity and stirring state, thereby collect the grain of drying at second shutter type shutter device bottom.

The device can be effectual with grain at the drying area and the automatic layer changing of cooling space, and drying efficiency is higher.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a cross-sectional view at section A-A of FIG. 2;

FIG. 4 is a perspective view of the split-flow hot air dryer of the present invention;

FIG. 5 is a side view of the split hot air dryer of the present invention;

FIG. 6 is a top view of the insufflation tube of the present invention;

FIG. 7 is a perspective view of a first layer-changing agitator of the present invention;

FIG. 8 is a perspective view of a first stirring roller of the present invention;

FIG. 9 is a front view of the cooling mechanism of the present invention;

FIG. 10 is a cross-sectional view at section B-B of FIG. 9;

FIG. 11 is a side view of the hull screening mechanism of the present invention;

fig. 12 is a sectional view at section C-C of fig. 11.

The reference numbers in the figures are:

1. a chaff screening mechanism; 1a, a blanking controller; 1a1, feed hopper; 1a2, circular shell; 1a3, a second rotating shaft; 1a4, leaf; 1a5, a third synchronous belt transmission mechanism; 1a6, a fourth servo motor; 1b, swinging a blanking device; 1b1, discharge hopper; 1b2, guide posts; 1b3, connecting rod; 1b4, spring; 1b5, a first link; 1b6, a second link; 1b7, a fifth servomotor; 1c, a winnowing machine; 1c1, a housing; 1c2, mounting plate; 1c3, air blowing plate; 1d, a waste channel; 1e, a water tank;

2. a first housing;

3. a first shutter type shutter;

4. a split-flow hot air dryer; 4a, a horn-shaped box; 4a1, a first air vent; 4b, an air blowing pipe; 4b1, second air vent; 4c, a seal shaft; 4d, a first bevel gear; 4e, a second bevel gear; 4f, a rotating shaft; 4g, a first servo motor; 4h, rotating the joint; 4i, a hot air delivery pipe; 4j, a first synchronous belt transfer mechanism;

5. a first layer-changing agitator; 5a, fixing plates; 5a1, stent; 5b, a bearing; 5c, a first stirring roller; 5c1, a first rotating shaft; 5c2, stirring rod; 5d, a second synchronous belt transmission mechanism; 5e, a second servo motor;

6. a second housing;

7. a cooling mechanism; 7a, a cone-shaped box; 7b, a blanking hopper; 7c, a first cooling pipe; 7d, radiating copper sheets; 7e, a second cooling pipe;

8. a second layer-changing agitator; 8a, a third servo motor; 8b, a second stirring roller;

9. a second shutter type shutter.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 12, the grain drying tower for automatically changing layers of grains includes:

the bottom discharge end of the husk screening mechanism 1 is communicated with the first machine shell 2;

the shunt drying mechanism comprises a plurality of groups of shunt hot air dryers 4, the shunt hot air dryers 4 are sequentially arranged in the first housing 2, and the blanking gaps of each group of shunt hot air dryers 4 are vertical to the vertical projection of the blanking gaps of the lower shunt hot air dryers 4;

the first layer-changing stirrer 5 is arranged in the first machine shell 2 and is positioned at the bottom end of the flow-dividing drying mechanism;

the first shutter type shutter 3 is arranged at a discharge port at the bottom end of the first shell 2;

the second shell 6 is arranged at the bottom end of the first shell 2;

the cooling mechanism 7 is coaxially arranged in the second shell 6 and is positioned at the bottom end of the first shutter type shutter 3;

a second layer-changing agitator 8, the working end of which is coaxial with the second machine shell 6 and vertically faces the discharge end of the cooling mechanism 7;

and the second shutter type shutter 9 is arranged at the discharge end at the bottom end of the cooling mechanism 7, and the shutter is electrically connected with the controller.

The chaff screening mechanism 1 is used for removing lighter impurities such as chaff and the like in grains through winnowing so as to dry the grains;

the first machine shell 2 and the second machine shell 6 are respectively used for installing a first shutter type shutter 3, a split hot air dryer 4, a cooling mechanism 7 and a second layer-changing stirrer 8;

the first shutter type opener 3 is used for separating the shunting drying area from the cooling area so as to ensure that the shunting drying area and the cooling area are not interfered with each other, after the grains are dried for a period of time, the controller controls the working end of the first shutter type opener 3 to open and close, so that the dried grains in the shunting drying area fall into the cooling area, the grains in a high-temperature state are cooled, and the second shutter type opener 9 is opened to discharge the grains, so that the grains which are sequentially subjected to winnowing, drying and cooling are discharged for storage;

when the grain dryer works, grain is poured into the hull screening mechanism 1 through the top end of the hull screening mechanism 1, the hull screening mechanism 1 carries out winnowing treatment on the grain containing hulls and lighter magazines so as to remove the hulls and the lighter magazines, so that the winnowed grain falls into the first machine shell 2 under the action of weight so as to be dried by a plurality of groups of shunt dryers, the blanking gap of each group of shunt hot air dryers 4 is vertical to the vertical projection of the blanking gap of the lower layer of shunt hot air dryers 4, so that the grain is dried by multi-angle turnover when passing through the blanking gap of each group of shunt hot air dryers 4, the dried grain is more thoroughly dried, the dried grain is accumulated at the bottom end in the first machine shell 2, the first machine shell 2 is in a high-temperature state, the first layer-changing stirrer 5 positioned at the bottom end of the shunt hot air dryers 4 is started, and the working end of the first layer-changing stirrer 5 is rotated, thereby constantly stir grain, make grain dry under the stirring state, start first shutter type open and shut ware 3 and make its working end open, thereby make the grain of the inside bottom of first casing 2 fall in second casing 6 under gravity and stirring state, thereby accomplish and trade the layer, make cooling body 7 will be in the grain rapid cooling of high temperature state, start second trade layer agitator 8, through opening second shutter type open and shut 9 working ends, make refrigerated grain fall at gravity and stirring state, thereby collect the grain of drying in second shutter type open and shut ware 9 bottom.

The shunt hot air dryer 4 comprises: the horn-shaped boxes 4a are sequentially arranged in the first machine shell 2 at equal intervals in the horizontal and vertical directions, and the horn end of each layer of horn-shaped box 4a is positioned in the middle of the bottom of the blanking gap of the horn-shaped box 4a at the upper layer; the blowing pipe 4b is coaxially arranged inside the horn-shaped box 4a, two ends of the blowing pipe 4b are coaxially and fixedly connected with a sealing shaft 4c and a rotating end of a rotating joint 4h respectively, the sealing shaft 4c is coaxially and fixedly connected with a first bevel gear 4d, the rotating joint 4h is fixedly arranged on the first machine shell 2, an input end of the rotating joint is communicated with an output end of a hot air conveying pipe 4i, and second air holes 4b1 are uniformly distributed on the outer circumferential surface of the blowing pipe 4b at equal intervals along the axial direction; the rotating shaft 4f is arranged on one side of the first casing 2 in a rotating mode through a rotating seat, two ends of the rotating shaft 4f are arranged on one side of the first casing 2 in a rotating mode through the rotating seat, second bevel gears 4e are coaxially arranged on the rotating shaft 4f at equal intervals, the first bevel gears 4d are meshed with the second bevel gears 4e, the rotating shafts 4f are connected through synchronous transmission of a first synchronous belt transmission mechanism 4j, and one ends of the rotating shafts 4f are fixedly connected with an output shaft of a first servo motor 4g in a coaxial.

The first servo motor 4g is started in advance, so that the output shaft of the first servo motor 4g drives the rotating shaft 4f to coaxially rotate, the second bevel gear 4e drives the first bevel gear 4d to be meshed and rotated, the air blowing pipe 4b coaxially rotates inside the horn-shaped box 4a, the rotary joint 4h is used for preventing the air blowing pipe 4b from rotating to influence drying, hot air is injected into the air blowing pipe 4b through the hot air conveying pipe 4i, the hot air is rotationally sprayed through the second air hole 4b1, when grains fall freely after air separation, the grains slide to two sides from the top end of the horn-shaped box 4a, and in the sliding process, the rotary hot air continuously sweeps over the grains, after the grains are dried by shunting through the multilayer horn-shaped boxes 4a, because the hot air is sprayed outwards from the first air hole 4a1, so that the grains are shunted by the horn-shaped box 4a, avoid grain and horn-shaped box 4a direct conflict to make grain can follow under the wind pressure effect free fall in the unloading clearance, thereby prevent that grain from stifled long-pending in the unloading clearance, first synchronous belt transmission mechanism 4j is used for driving many pivots 4f synchronous rotation simultaneously.

The first layer-changing agitator 5 comprises: the fixing plates 5a are vertically and uniformly distributed in the first machine shell 2 along the axial direction and are positioned at the bottom end of the split-flow hot air dryer 4, and the upper end and the lower end of each fixing plate 5a are radially provided with a bracket 5a 1; a first stirring roller 5c, both ends of which are vertically and rotatably arranged on the bracket 5a1 through a bearing 5 b; and an output shaft of the second servo motor 5e is in synchronous transmission connection with the first stirring roller 5c through a second synchronous belt transmission mechanism 5 d.

Grain is piling up in the inside bottom of first quick-witted shell 2 after being dried by reposition of redundant personnel hot air drying apparatus 4, and the inside high temperature of first quick-witted shell 2, it makes its work end drive first stirring roller 5c through second synchronous belt drive mechanism 5d and rotates on support 5a1 to start second servo motor 5e, thereby make first stirring roller 5c constantly stir and make grain change the stoving, and when 3 work ends of first shutter formula opener 3 in first quick-witted shell 2 bottom are opened, can make grain change whereabouts through first stirring roller 5c of pivoted, thereby accomplish grain and trade the layer operation, bearing 5b is used for making first stirring roller 5c can stable rotation on fixed plate 5 a.

The first stirring roller 5c includes: a first rotating shaft 5c1, both ends of which are vertically and rotatably arranged on the bracket 5a1 through a bearing 5 b; the stirring rods 5c2 are spirally and vertically distributed on the circumferential surface of the first rotating shaft 5c1 along the axis; and the output shaft of the second servo motor 5e is in synchronous transmission connection with the first rotating shaft 5c1 through a second synchronous belt transmission mechanism 5 d.

The second synchronous belt transmission mechanism 5d is started, the output shaft of the second synchronous belt transmission mechanism 5d drives the first rotating shaft 5c1 to coaxially rotate on the bracket 5a1, and the stirring rods 5c2 are spirally and vertically and uniformly distributed on the circumferential surface of the first rotating shaft 5c1 along the axis, so that when the first rotating shaft 5c1 rotates, the stirring rods 5c2 continuously stir grains at the bottom end to the upper part, and further, the holes in the bottom of the grains are hollow, and the grains around sink, so that the grains are easier to discharge and are not easy to accumulate.

The cooling mechanism 7 includes: the tip end of the conical box 7a is upwards and coaxially arranged in the second machine shell 6 and is positioned at the bottom of the first shutter type opener/closer 3, the material outlet of the blanking hopper 7b is downwards and coaxially arranged at the bottom of the conical box 7a, the inner diameter of the material outlet of the blanking hopper 7a is larger than the maximum outer diameter of the conical box 7a, and the inner wall of the conical box 7a and the outer wall of the blanking hopper 7b are respectively wound with a first cooling pipe 7c and a second cooling pipe 7 e; and the radiating copper sheets 7d are uniformly distributed on the outer circumferential surface of the conical box 7a and the inner circumferential surface of the blanking hopper 7b along the axial direction.

After being dried, grains fall from the bottom end of the first machine shell 2 and fall to the top end of the conical box 7a, so that the grains are guided to fall to the bottom end of the conical box 7a by the inclined plane, the inner diameter of the blanking hopper 7b is larger than the maximum outer diameter of the conical box 7a, the grains can fall into the blanking hopper 7b, and in the falling process, the grains are in contact with the outer wall of the conical box 7a and the inner part of the blanking hopper 7b, so that the conical box 7a and the blanking hopper 7b cool the grains, the first cooling pipe 7c and the second cooling pipe 7e are used for exchanging heat of the conical box 7a and the blanking hopper 7b, the conical box 7a and the blanking hopper 7b are ensured to be always kept in a low-temperature state with grain contact surfaces, and the heat dissipation copper sheets 7d are used for increasing contact areas, so that cooling.

The second layer-changing agitator 8 comprises: and the third servo motor 8a is arranged in the conical box 7a, an output shaft coaxially penetrates through the bottom end of the conical box 7a and is coaxially and fixedly connected with the second stirring roller 8b, and the second stirring roller 8b and the first stirring roller 5c are completely the same in structure.

After the grains are cooled, the second shutter type opener 9 is opened, and the third servo motor 8a is started, so that the output shaft of the third servo motor 8a drives the second stirring roller 8b to coaxially rotate in the blanking hopper 7b, the second stirring roller 8b stirs the grains, and the grains are easier to fall and discharge.

A blanking controller 1 a; an air classifier 1 c; the air separator 1c is arranged at the bottom of the discharge end of the blanking controller 1a, and the discharge end at the bottom of the air separator 1c is communicated with the feed end of the first shell 2; the swinging blanking device 1b is arranged at the top end inside the air classifier 1c and is positioned at the bottom of the discharging end of the blanking controller 1a, and the working end of the air classifier 1c horizontally faces the feeding end of the waste material channel 1 d; and the bottom end of the waste material channel 1d is positioned above the horizontal plane of the water tank 1 e.

After in the staff puts in grain to blanking controller 1a, grain falls in order via blanking controller 1a control, thereby it is not abundant to prevent that disposable unloading from making the selection by winnowing and drying too much, swing blanking ware 1b is used for being the slice with the grain of falling in order and throws out, thereby it blows off to waste material passageway 1d direction to make air separator 1c blow the end level with chaff in the grain, thereby make the chaff fall to water tank 1e through waste material passageway 1d, thereby prevent that the chaff from polluting operational environment.

The blanking controller 1a includes: feed hopper 1a 1; a circular shell 1a2, wherein the circular shell 1a2 is coaxially arranged at the bottom end of the feed hopper 1a1, and the top end and the bottom end are respectively communicated with the feed hopper 1a1 and the wind selector 1 c; the second rotating shaft 1a3 is coaxially and rotatably arranged in the circular shell 1a2, and one end of the second rotating shaft is in synchronous transmission connection with an output shaft of the fourth servo motor 1a6 through a third synchronous belt transmission mechanism 1a 5; the vanes 1a4 are uniformly distributed on the circumferential surface of the second rotating shaft 1a3 along the shaft, and one end of each vane is in clearance fit with the inner wall of the circular housing 1a 2.

Grain pours into feeder hopper 1a1 via the staff into, thereby make it fall to circular casing 1a2 in the action of gravity, and paddle 1a4 divides circular casing 1a2 inner space into a plurality of independent spaces, thereby make when fourth servo motor 1a6 output shaft drives second pivot 1a3 synchronous rotation through third synchronous belt drive 1a5, thereby make only when grain changes to circular casing 1a2 bottom discharge end in the independent space, grain can just fall, and the other side grain is obstructed by spring 1b4, thereby the orderly whereabouts of grain that makes.

The air classifier 1c includes: the blanking controller comprises a machine shell 1c1, a machine shell 1c1 is arranged at the bottom end of the blanking controller 1a and is communicated with the discharging end of the blanking controller, the bottom end of the machine shell 1c1 is communicated with the top end of the first machine shell 2, and one side of the machine shell 1c1 is communicated with the top end of a waste channel 1 d; the blowing plate 1c3 has a working end horizontally disposed inside the cabinet 1c1 toward the feeding end of the scrap chute 1d through the mounting plate 1c 2.

After the grains fall in order, the grains are thrown off in a sheet shape through the swing blanking device 1b, so that the air blowing plate 1c3 is horizontally blown to the inner side of the falling grains, the chaff in the grains is blown to the waste material channel 1d, the air separation is completed, the air blowing plate 1c3 is used for fixedly mounting the air blowing plate 1c3, and the machine shell 1c1 is used for preventing dust in the air separation from polluting the working environment.

The swing blanking device 1b comprises a discharge hopper 1b1, a feed opening at the bottom end of the discharge hopper 1b1 is long and narrow, guide pillars 1b2 are horizontally arranged at two ends of the discharge hopper 1b1 and are horizontally arranged at the bottom of the discharge end of the blanking controller 1a in a sliding manner, and a connecting rod 1b3 for fixing is arranged on one side of the guide pillars 1b 2; the spring 1b4 is coaxially sleeved on the guide post 1b2, and two ends of the spring are respectively abutted against the inner wall of the first machine shell 2 and two sides of the discharging hopper 1b 1; a first connecting rod 1b5 and a second connecting rod 1b6, wherein the second connecting rod 1b6 is shorter than the first connecting rod 1b5, and two ends of the second connecting rod 1b6 are respectively hinged with the middle position of the connecting rod 1b3 and one end of the first connecting rod 1b 5; and an output shaft of the fifth servo motor 1b7 and a fifth servo motor 1b7 are fixedly connected with one end of a second connecting rod 1b 6.

Grain falls to discharging hopper 1b1 in via blanking controller 1a discharge end, start fifth servo motor 1b7, make fifth servo motor 1b7 output shaft drive second connecting rod 1b6 with the coaxial rotation of one end, thereby make first connecting rod 1b5 drive connecting rod 1b3 and make reciprocal linear motion, thereby make discharging hopper 1b1 make reciprocal linear motion through guide pillar 1b2 in first casing 2 inside, thereby make the grain in discharging hopper 1b1 be the slice through long and narrow material mouth and throw down, thereby be convenient for the selection by winnowing, and spring 1b4 is used for preventing discharging hopper 1b1 both ends striking first casing 2 inner wall when reciprocal linear motion, thereby make the structure more stable.

The working principle of the invention is as follows:

the chaff screening mechanism 1 is used for removing lighter impurities such as chaff and the like in grains through winnowing so as to dry the grains; the first machine shell 2 and the second machine shell 6 are respectively used for installing a first shutter type shutter 3, a split hot air dryer 4, a cooling mechanism 7 and a second layer-changing stirrer 8; the first shutter type opener 3 is used for separating the shunting drying area from the cooling area so as to ensure that the shunting drying area and the cooling area are not interfered with each other, after the grains are dried for a period of time, the controller controls the working end of the first shutter type opener 3 to open and close, so that the dried grains in the shunting drying area fall into the cooling area, the grains in a high-temperature state are cooled, and the second shutter type opener 9 is opened to discharge the grains, so that the grains which are sequentially subjected to winnowing, drying and cooling are discharged for storage; when the grain dryer works, grain is poured into the hull screening mechanism 1 through the top end of the hull screening mechanism 1, the hull screening mechanism 1 carries out winnowing treatment on the grain containing hulls and lighter magazines so as to remove the hulls and the lighter magazines, so that the winnowed grain falls into the first machine shell 2 under the action of weight so as to be dried by a plurality of groups of shunt dryers, the blanking gap of each group of shunt hot air dryers 4 is vertical to the vertical projection of the blanking gap of the lower layer of shunt hot air dryers 4, so that the grain is dried by multi-angle turnover when passing through the blanking gap of each group of shunt hot air dryers 4, the dried grain is more thoroughly dried, the dried grain is accumulated at the bottom end in the first machine shell 2, the first machine shell 2 is in a high-temperature state, the first layer-changing stirrer 5 positioned at the bottom end of the shunt hot air dryers 4 is started, and the working end of the first layer-changing stirrer 5 is rotated, thereby constantly stir grain, make grain dry under the stirring state, start first shutter type open and shut ware 3 and make its working end open, thereby make the grain of the inside bottom of first casing 2 fall in second casing 6 under gravity and stirring state, thereby accomplish and trade the layer, make cooling body 7 will be in the grain rapid cooling of high temperature state, start second trade layer agitator 8, through opening second shutter type open and shut 9 working ends, make refrigerated grain fall at gravity and stirring state, thereby collect the grain of drying in second shutter type open and shut ware 9 bottom.