阅读说明：本技术 一种均匀进料和出料的谷物烘干机 (Grain drying machine capable of uniformly feeding and discharging ) 是由 董邦超 于 2020-07-02 设计创作，主要内容包括：本发明公开了一种均匀进料和出料的谷物烘干机,属于农业设备技术领域,包括机箱和提升机,提升机的顶部安装有流管,进料口处设有下料盘,下料盘上安装有第一磁铁块,机箱内位于下料盘的下方转动连接有蜗杆,蜗杆顶端固定连接有横杆,横杆固定连接有支杆,两端位置的支杆连接有第二磁铁块和第三磁铁块,蜗杆啮合有蜗轮,机箱内设有筛网,机箱侧壁固定连接有步进电机,步进电机的输出轴同轴连接有不完全齿轮,不完全齿轮的齿部啮合有齿条,齿条与机箱之间固定连接有第二弹簧,齿条固定连接有推块,齿条与推块均滑动连接在机箱内底部。本发明解决了现有技术中烘干机下料不均匀,搅龙链条箱的链条出现卡滞、断裂的问题,且操作简单方便,实用性强。(The invention discloses a grain dryer capable of uniformly feeding and discharging, which belongs to the technical field of agricultural equipment and comprises a case and a lifter, wherein a flow pipe is arranged at the top of the lifter, a discharging disc is arranged at the position of a feeding port, a first magnet block is arranged on the discharging disc, a worm is rotatably connected below the discharging disc in the case, the top end of the worm is fixedly connected with a cross rod, the cross rod is fixedly connected with a support rod, the support rods at two ends are connected with a second magnet block and a third magnet block, the worm is meshed with a worm gear, a screen is arranged in the case, a stepping motor is fixedly connected to the side wall of the case, an output shaft of the stepping motor is coaxially connected with an incomplete gear, the tooth part of the incomplete gear is meshed with a rack, a second spring is fixedly connected between the rack and the case. The invention solves the problems of uneven discharging of the dryer and jamming and fracture of the chain of the screw conveyor chain box in the prior art, and has simple and convenient operation and strong practicability.)

1. The utility model provides a grain drying machine of even feeding and ejection of compact, includes quick-witted case (1) and lifting machine (2), machine case (1) uses with lifting machine (2) are supporting, and feed inlet (3) have been seted up at quick-witted case (1) top, are equipped with in quick-witted case (1) and store portion and drying portion, lifting machine (2) are located the side of quick-witted case (1), and flow tube (4) are installed to the top position of lifting machine (2), flow tube (4) are located directly over feed inlet (3), its characterized in that: the feeding hole (3) is provided with a blanking disc (5), the blanking disc (5) is designed in a hemispherical shape, a plurality of outlets (6) are formed in the blanking disc (5), a plurality of first springs (7) are fixedly connected between the blanking disc (5) and the side wall of the case (1), a disc edge is arranged on the blanking disc (5), a plurality of through holes are formed in the disc edge, a first magnet block (8) is fixedly mounted in the through holes, a worm (9) is rotatably connected to the lower portion of the blanking disc (5) in the case (1), the top end of the worm (9) is fixedly connected with a cross rod (10), supporting rods (11) are fixedly connected to the two ends of the cross rod (10), the supporting rods (11) at the two ends are respectively detachably connected with a second magnet block (12) and a third magnet block (13), and the magnetic properties of the opposite surfaces of the second magnet block (12) and the third magnet block (13) are mutually repellent, the worm (9) is meshed with a worm wheel (14), the worm wheel (14) is coaxially connected with a rotating shaft, and the rotating shaft is rotatably connected in the case (1);

the improved screen cloth machine is characterized in that a screen cloth (15) is arranged in the machine case (1), a stepping motor is fixedly connected to the side wall of the machine case (1) below the screen cloth (15), a belt is connected between an output shaft of the stepping motor and a rotating shaft, an output shaft of the stepping motor is coaxially connected with an incomplete gear (16), a toothed part of the incomplete gear (16) is meshed with a rack (17), a second spring (19) is fixedly connected between the rack (17) and the machine case (1), a pushing block (18) is fixedly connected to the end part of the rack (17) far away from the second spring (19), the rack (17) and the pushing block (18) are connected to the inner bottom of the machine case (1) in a sliding mode, and a discharge hole is formed in the position.

2. A uniformly feeding and discharging grain dryer as claimed in claim 1 wherein: the novel fan case is characterized in that a groove (20) with an outward opening is formed in the side portion of the case (1), a plurality of air outlets are formed in the bottom of the groove (20), a connecting rod (21) is connected to the groove (20) in a rotating mode, the connecting rod (21) penetrates through the groove (20), fan blades (22) are connected to the end portion of the connecting rod (21) arranged in the groove (20), a first bevel gear is coaxially connected to the end portion of the connecting rod (21) arranged in the case (1), a second bevel gear is coaxially connected to an output shaft of the stepping motor, and the second bevel gear is meshed with.

3. A uniformly feeding and discharging grain dryer as claimed in claim 2 wherein: the maximum sliding distance of the push block (18) is the horizontal distance from the tail end of the screen (15) to the discharge hole.

4. A uniformly feeding and discharging grain dryer as claimed in claim 3 wherein: the feed inlet (3) is hinged with a cover plate for preventing dust from entering the case (1).

5. A uniformly feeding and discharging grain dryer as claimed in claim 4 wherein: the number of the outlets (6) is five, the number of the first springs (7) is four, the number of the through holes is eight, and the number of the air outlets is two.

6. A uniformly feeding and discharging grain dryer as claimed in claim 5 wherein: the second magnet and the third magnet are connected to the support rod (11) in a buckling mode.

Technical Field

The invention belongs to the technical field of agricultural equipment, and particularly relates to a grain dryer capable of uniformly feeding and discharging.

Background

Grain drying machine is the mechanical equipment who reduces water content in the cereal, and current grain drying machine most all adopts and gets rid of the grain dish and realize the evenly distributed of cereal, uses the screw feeder to realize the conveying output of cereal, but the long-time operation of this type of device very easily produces the trouble. Get rid of the process of grain dish motion and can produce rocking by a relatively large margin, seriously influence the even of unloading, also can influence the normal operating of drying-machine simultaneously, the screw feeder is in stoving bottom of the case portion, and the easy deposit of the cereal granule that drops and dust is in the bottom of chain case, leads to the chain jamming, cracked problem to appear, influences the normal operating of drying-machine.

Disclosure of Invention

The invention aims to provide a grain dryer capable of uniformly feeding and discharging, and aims to solve the problems that in the prior art, the dryer is not uniform in discharging, and a chain of an auger chain box is blocked and broken.

In order to achieve the purpose, the invention provides the following technical scheme: a grain dryer capable of uniformly feeding and discharging comprises a case and a lifter, wherein the case is matched with the lifter for use, the top of the case is provided with a feeding hole, a storage part and a drying part are arranged in the case, the lifter is positioned at the side of the case, the top of the lifter is provided with a flow pipe, the flow pipe is positioned right above the feeding hole, the feeding hole is provided with a blanking disc, the blanking disc is of a hemispherical design, a plurality of outlets are formed in the blanking disc, a plurality of first springs are fixedly connected between the blanking disc and the side wall of the case, the blanking disc is provided with a disc edge, a plurality of through holes are formed in the disc edge, a first magnet block is fixedly mounted in the through holes, a worm is rotatably connected below the blanking disc in the case, the top end of the worm is fixedly connected with a cross rod, the positions at the two ends of the cross rod are fixedly connected with supporting rods, and the supporting, the magnetism of the opposite surfaces of the second magnet block and the third magnet block is repulsive, the worm is meshed with a worm wheel, the worm wheel is coaxially connected with a rotating shaft, and the rotating shaft is rotatably connected in the case;

the improved automatic feeding machine is characterized in that a screen is arranged in the machine case, a stepping motor is fixedly connected to the side wall of the machine case below the screen, a belt is connected between an output shaft of the stepping motor and a rotating shaft, an incomplete gear is coaxially connected to an output shaft of the stepping motor, a rack is meshed with the tooth part of the incomplete gear, a second spring is fixedly connected between the rack and the machine case, a push block is fixedly connected to the end part of the rack far away from the second spring, the rack and the push block are connected to the bottom in the machine case in a sliding mode, and a discharge hole is.

The technical principle of the scheme is as follows: the grains are conveyed by the elevator and fall into the blanking plate through the flow pipe and the feeding hole. Starting step motor, step motor drives the worm wheel and rotates, and worm wheel meshing worm drives the worm and rotates, and the horizontal pole follows it and rotates together, and when the second magnet piece met first magnet piece, the third magnet piece also just met first magnet piece, because the magnetism of second magnet piece and third magnet piece opposite face is repelled mutually, so second magnet piece and third magnet piece respectively when mutually confronting with first magnet piece, the lower charging tray took place the swing.

Step motor rotates and drives the incomplete gear through first bevel gear and second bevel gear simultaneously and rotates, when the tooth portion of incomplete gear and rack meshing, drives the rack and moves toward the discharge gate direction, and the second spring is stretched, and when the tooth portion of incomplete gear and rack do not mesh, the second spring reconversion, the rack is pulled back initial position department by the second spring.

Preferably, the lateral part of the case is provided with a groove with an outward opening, the bottom of the groove is provided with a plurality of air outlets, a connecting rod is rotationally connected in the groove and penetrates through the groove, the end part of the connecting rod arranged in the groove is connected with fan blades, the end part of the connecting rod arranged in the case is coaxially connected with a first bevel gear, an output shaft of the stepping motor is coaxially connected with a second bevel gear, and the second bevel gear is meshed with the first bevel gear.

Preferably, the maximum sliding distance of the push block is the horizontal distance from the tail end of the screen to the discharge hole.

Preferably, the feeding port is hinged with a cover plate for blocking dust from entering the chassis.

Preferably, the outlets are provided with five, the first springs are provided with four, the through holes are provided with eight, and the air outlets are provided with two.

Preferably, the second magnet and the third magnet are both connected to the support rod in a buckling mode.

Compared with the prior art, the invention has the beneficial effects that: 1. the first magnet block is arranged on the disc edge of the blanking disc, the second magnet block and the third magnet block can rotate around the blanking disc by utilizing a worm gear structure, and the first magnet block meets the second magnet block and the third magnet block respectively in the rotating process to generate attractive and repulsive magnetic forces respectively, so that the blanking disc can swing, and grains in the blanking disc can uniformly flow into the drying part of the chassis from the outlet to be dried; 2. by utilizing the structural design of the incomplete gear and the rack, the push block can circularly and stably push out the dried grains, so that the grains are prevented from being deposited at the bottom of the chain box to cause the clamping and breaking of the chain, and meanwhile, the grains falling onto the top of the push block are prevented from falling into the box body by the screen when the push block is pulled by the second spring to move towards the direction of the incomplete gear, so that the grains are prevented from remaining on the push block; 3. steam is generated in the drying process, the stepping motor is utilized to drive the fan blades in the grooves to rotate, the fan blades rotate to generate negative pressure, and the steam in the case can be discharged through the air outlet; 4. by arranging the stepping motor, the rotating speed of the stepping motor can be adjusted according to actual conditions, so that the speed and the flow of grains falling to the drying part in the discharging plate are controlled, and the grains are dried more fully; 5. only one power source is utilized to simultaneously drive the three structures to simultaneously operate, so that the investment of resources is effectively saved, and the scheme is simple and easy to operate and has strong practicability.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of the mechanism of a uniform feed and discharge grain dryer of the present invention;

fig. 2 is a top view of the tray edge of the blanking tray of the present invention.

In the figure: the automatic feeding device comprises a case 1, a lifter 2, a feeding hole 3, a flow pipe 4, a blanking disc 5, an outlet 6, a first spring 7, a first magnet block 8, a worm 9, a cross rod 10, a support rod 11, a second magnet block 12, a third magnet block 13, a worm wheel 14, a screen 15, an incomplete gear 16, a rack 17, a push block 18, a second spring 19, a groove 20, a connecting rod 21 and fan blades 22.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an embodiment of the present invention is shown: a grain dryer capable of uniformly feeding and discharging materials comprises a case 1 and a lifter 2, wherein the case 1 is matched with the lifter 2 for use, the top of the case 1 is provided with a feed inlet 3, the position of the feed inlet 3 is hinged with a cover plate for preventing dust from entering the case 1, a storage part and a drying part are arranged in the case 1, the lifter 2 is positioned at the side edge of the case 1, the top of the lifter 2 is provided with a flow pipe 4, the flow pipe 4 is positioned right above the feed inlet 3, a blanking disc 5 is arranged at the feed inlet 3, the blanking disc 5 is of a hemispherical design, five outlets 6 are formed in the blanking disc 5, four first springs 7 are fixedly connected between the blanking disc 5 and the side wall of the case 1, the blanking disc 5 is provided with a disc edge, eight through holes are formed in the disc edge, first magnet blocks 8 are fixedly arranged in the eight through holes, a worm 9 is rotatably connected below the blanking disc, the two ends of the cross rod 10 are fixedly connected with supporting rods 11, the supporting rods 11 at the two ends are respectively connected with a second magnet block 12 and a third magnet block 13 in a buckling mode, the magnetic materials of opposite surfaces of the second magnet block 12 and the third magnet block 13 are mutually repellent, the worm 9 is meshed with a worm wheel 14, the worm wheel 14 is coaxially connected with a rotating shaft, and the rotating shaft is rotatably connected in the case 1.

Be equipped with screen cloth 15 in the quick-witted case 1, 1 lateral wall fixedly connected with step motor of quick-witted case of screen cloth 15 below, be connected with the belt between step motor's output shaft and the pivot, step motor's output shaft coaxial coupling has incomplete gear 16, the tooth portion meshing of incomplete gear 16 has rack 17, fixedly connected with second spring 19 between rack 17 and the quick-witted case 1, the tip fixedly connected with ejector pad 18 of second spring 19 is kept away from to rack 17, the biggest sliding distance of ejector pad 18 is the terminal horizontal distance to the discharge gate of screen cloth 15, rack 17 and the equal sliding connection of ejector pad 18 are bottom in quick-witted case 1, the discharge gate has been seted up to the position that quick-witted case 1.

The outer side of the case 1 close to the stepping motor is provided with a groove 20 with an outward opening, two air outlets are formed in the bottom of the groove 20, a connecting rod 21 is connected in the groove 20 in a rotating mode, the connecting rod 21 penetrates through the groove 20, the end portion of the connecting rod 21 arranged in the groove 20 is connected with fan blades 22, the end portion of the connecting rod 21 arranged in the case 1 is coaxially connected with a first bevel gear, an output shaft of the stepping motor is coaxially connected with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.

The working principle is as follows: when the grain is dried, the cover plate of the feeding hole 3 is opened, the grain is conveyed to the flow pipe 4 by the hoister 2, falls into the lower material disc 5 through the flow pipe 4, the stepping motor is started, the rotating shaft is driven to rotate through the belt in the rotating process of the stepping motor, the rotating shaft drives the worm wheel 14 to rotate, the rotating rod rotates because the worm wheel 14 is meshed with the rotating rod, the cross rod 10, the supporting rod 11, the second magnet block 12 and the third magnet block 13 rotate together in the rotating process of the rotating rod, when the second magnet block 12 meets the first magnet block 8 along the disc edge of the lower material disc 5, the third magnet block 13 also just meets the first magnet block 8, the magnetism of the opposite surfaces of the second magnet block 12 and the third magnet block 13 is repelled, when the second magnet block 12 is attracted with the first magnet block 8, the third magnet block 13 repels the first magnet block 8, the lower material disc 5 swings, the grain in the lower material disc 5 uniformly and quickly falls into the drying part, the problem of clogging the outlet 6 does not arise.

In the rotating process of the stepping motor, the incomplete gear 16 coaxially connected with the output shaft rotates along with the stepping motor, when the tooth part of the incomplete gear 16 is meshed with the rack 17, the rack 17 drives the pushing block 18 to move towards the discharge port, the second spring 19 is stretched, the pushing block 18 pushes grains to move towards the discharge port, and the grains are pushed out of the case 1; when the tooth part of the incomplete gear 16 is disengaged from the rack 17, the second spring 19 restores to the original state, the rack 17 is pulled to move in the opposite direction, the push block 18 moves back, and grains falling on the top end of the push block 18 are blocked by the screen 15 and fall into the case 1.

The second bevel gear which is coaxially connected with the output shaft of the stepping motor is meshed with the first bevel gear which is coaxially connected with the connecting rod 21 to drive the connecting rod 21 and the fan blades 22 to rotate, negative pressure is generated in the rotating process of the fan blades 22, water vapor in the case 1 can be discharged through the air outlet, and the drying effect of grains in the case 1 is better.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.