CN112517382A

CN112517382A - Grain sieving mechanism

Info

Publication number: CN112517382A
Application number: CN202011288211.1A
Authority: CN
Inventors: 陈美红
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-03-19

Abstract

The invention discloses a grain screening device, which comprises a bottom plate and is characterized in that: the upside fixed connection box of bottom plate, one side opening of box, the opposite side of box is provided with spacing track, be provided with a set of sleeve of evenly arranging in the spacing track, every the sleeve is in one end difference fixed connection in the box supports the one end in groove, every the downside that supports the groove is the cambered surface, every the downside that supports the groove is provided with a set of round hole of evenly arranging, the round hole reduces from last to down in proper order. The invention relates to the field of grain screening equipment, in particular to a grain screening device. This device can make things convenient for the multilayer screening and the collection of grain.

Description

Grain sieving mechanism

Technical Field

The invention relates to the field of grain screening equipment, in particular to a grain screening device.

Background

The existing grain screening vibration cleaning sieve only has a one-level grading screening function, the material grading degree is low, a plurality of devices are connected in series for screening sometimes to achieve multi-granularity grading, but the mode greatly wastes space resources, the screening cost is improved, grains after screening need to be manually collected, and the method is very troublesome and can cause that the screened grains are mixed together because of carelessness. Therefore, a multi-layer vibration type grain screening device is urgently needed to be researched, and the problem that screened grains are inconvenient to collect can be solved, which is a disadvantage of the prior art.

Disclosure of Invention

The invention aims to provide a grain screening device which is convenient for multilayer screening and collection of grains.

The invention adopts the following technical scheme to realize the purpose of the invention:

the utility model provides a grain sieving mechanism, includes the bottom plate, its characterized in that: the upper side of the bottom plate is fixedly connected with a box body, one side of the box body is provided with an opening, the other side of the box body is provided with a limiting track, and a group of uniformly distributed sleeves are arranged in the limiting track;

one end of each sleeve in the box body is fixedly connected with one end of a supporting groove, the lower side of each supporting groove is an arc surface, a group of uniformly distributed round holes are arranged on the lower side of each supporting groove, and the round holes are sequentially reduced from top to bottom;

two sides of the upper part of each supporting groove are respectively fixedly connected with one side of an inclined plate, and the other side of each inclined plate is attached to the inner wall of the box body;

the other end of each supporting groove is fixedly connected with a discharging port with the bottom inclined downwards;

each sleeve is internally provided with a central shaft which is respectively in bearing connection with a rotating wheel, the center of each rotating wheel is respectively and fixedly connected with one end of a spiral rotating rod, and each rotating rod is respectively arranged in the corresponding supporting groove

The rotating wheel is connected with the auxiliary rotating module.

As a further limitation of the technical solution, the auxiliary rotating module includes a second bevel gear, an end of a central shaft of each rotating wheel is fixedly connected to a central shaft of the second bevel gear, each second bevel gear is engaged with the first bevel gear, the central shaft of each second bevel gear penetrates through a vertical plate of an L-shaped plate, the vertical plate of each L-shaped plate is fixedly connected to the other end of the corresponding sleeve, a horizontal plate of each L-shaped plate is movably connected to the corresponding first bevel gear, a limiting hole is formed in the center of the horizontal plate of each L-shaped plate, and all the limiting holes are coaxial.

As a further inject of this technical scheme, the upside one end fixed connection motor of bottom plate, the lower extreme of the output shaft fixed connection cross dwang of motor, the cross dwang passes all spacing hole, the cross dwang passes every the center of bevel gear one.

As a further inject of this technical scheme, every the diaphragm tip of L shaped plate is the downside of fixed connection square plate respectively, every the one side middle part of square plate is the one end of the spacing axle of fixed connection respectively, all perpendicular spout is all passed to spacing axle, erect the spout setting on the montant of L shape pole, the montant lower extreme fixed connection of L shape pole the upside one end of bottom plate.

As a further limitation of the technical scheme, the other end of each limit shaft is fixedly connected with a sliding block, all the sliding blocks are arranged in the vertical sliding groove, a guide post is arranged in the vertical sliding groove and fixedly connected with the L-shaped rod, and the guide post penetrates through the sliding blocks.

As a further limitation of the technical scheme, one side of each sliding block is hinged to one end of a first connecting rod, the lower portion of one side of a vertical rod of each L-shaped rod is hinged to one end of a third connecting rod, the other end of the third connecting rod is hinged to the corresponding other end of the first connecting rod, the rest of the other ends of the first connecting rods are hinged to one ends of second connecting rods, the other ends of the second connecting rods are hinged to the corresponding ends of the first connecting rods, one side of the third connecting rod and each side of the second connecting rod are fixedly connected to one end of a cylindrical sliding block respectively, all the cylindrical sliding blocks are arranged in sliding grooves of straight groove rods, two ends of each straight groove rod are penetrated through a cross shaft respectively, and one end of each cross shaft is fixedly connected to a vertical rod of each L-shaped rod respectively.

As a further limitation of the technical scheme, one other end of the cross shaft is fixedly connected with the stop block, one side of the straight groove rod is fixedly connected with the end part of the telescopic rod of the electric push rod, the shell of the electric push rod is fixedly connected with the L-shaped fixed rod, and the L-shaped fixed rod is fixedly connected with the upper end of the vertical rod of the L-shaped rod.

As a further limitation of the technical scheme, one end of the upper side of the box body, which is close to the L-shaped rod, is fixedly communicated with the feeding channel.

Compared with the prior art, the invention has the advantages and positive effects that:

(1) the device can screen grains, realize multi-stage screening of the grains through vibration of the multilayer support grooves, can screen round granular grains in a grading way, is convenient for reserving seeds, selling or classifying before making the grains, replaces manual screening, can reciprocally stretch and retract to drive the straight groove 5 to move back and forth along the transverse shaft by opening the telescopic rod of the electric push rod, and the straight groove rod is linked with the connecting rod I through the cylindrical sliding block, the connecting rod III, the connecting rod II and the connecting rod I, so that the L-shaped plate, the sleeve and the support grooves can simultaneously and equidistantly move up and down, the support grooves can vertically move to realize vibration of internal seeds, the falling speed of the seeds is accelerated, and the falling frequency of the seeds can not be hindered by the same-interval vertical movement of the support grooves;

(2) the output shaft through the motor rotates and drives the cross rod and rotate, because the cross rod passes all bevel gears one, under the drive of cross rod, the cross rod drives all bevel gears one and rotates, through the linkage of bevel gear one, bevel gear two and patent 27, realizes that the spiral dwang slowly rotates, and the screw thread of spiral dwang outwards holds the bag towards the discharge gate, and 8 rotations of spiral are transported the seed to the seed.

Drawings

Fig. 1 is a first perspective view of the present invention.

Fig. 2 is a second perspective view of the present invention.

Fig. 3 is a partial perspective view of the first embodiment of the present invention.

Fig. 4 is a partial perspective view two of the present invention.

Fig. 5 is a partial perspective view three of the present invention.

Fig. 6 is a fourth perspective view of the present invention.

Fig. 7 is a perspective view of the present invention.

Fig. 8 is a partial perspective view of the present invention.

In the figure: 1. the feeding device comprises a feeding channel, 2, a box body, 201, a limiting track, 3, an L-shaped rod, 4, an L-shaped fixing rod, 5, a straight groove rod, 6, an electric push rod, 7, a first connecting rod, 8, a second connecting rod, 9, a sliding block, 10, a guide column, 101, a square plate, 12, a stop block, 121, a transverse shaft, 13, a motor, 14, a first bevel gear, 15, a second bevel gear, 16, an L-shaped plate, 17, a cross-shaped rotating rod, 18, a limiting shaft, 21, an inclined plate, 22, a supporting groove, 23, a sleeve, 24, a discharge hole, 25, a cylindrical sliding block, 26, a round hole, 27, a rotating wheel, 28, a spiral rotating rod, 29, a third connecting rod, 30, a.

Detailed Description

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention.

The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The following description of the exemplary embodiments refers to the accompanying drawings. The same reference numbers in different drawings identify the same or similar elements. The following detailed description does not limit the invention. Rather, the scope of the invention is defined by the appended claims. For simplicity, the following embodiments are described with respect to the terminology and structure of the present system, however, the embodiments to be described next are not limited to this system but may be applied to any other system that may be applied.

The thread self-locking performance means that when static load and working temperature change are not large, threaded connection can not automatically loosen, the self-locking condition is that a thread lead angle is smaller than an equivalent friction angle of a screw pair, and the threaded connection appearing in the application all accords with the self-locking condition.

As shown in fig. 1 to 8, the present invention includes a bottom plate 30, wherein the upper side of the bottom plate 30 is fixedly connected to a box body 2, one side of the box body 2 is open, the other side of the box body 2 is provided with a limiting rail 201, and a group of sleeves 23 uniformly arranged is arranged in the limiting rail 201;

one end of each sleeve 23 in the box body 2 is fixedly connected with one end of a support groove 22, the lower side of each support groove 22 is an arc surface, a group of uniformly distributed round holes 26 are arranged on the lower side of each support groove 22, and the round holes 26 are sequentially reduced from top to bottom;

two sides of the upper part of each supporting groove 22 are respectively fixedly connected with one side of an inclined plate 21, and the other side of each inclined plate 21 is attached to the inner wall of the box body 2;

the other end of each supporting groove 22 is fixedly connected with a discharging port 24 with the bottom inclined downwards

The inside of each sleeve 23 is respectively connected with a central shaft of a rotating wheel 27 through a bearing, the center of each rotating wheel 27 is respectively fixedly connected with one end of a spiral rotating rod 28, and each rotating rod 28 is respectively arranged in the corresponding supporting groove 22;

the runner 27 is connected to an auxiliary turning module.

The auxiliary rotating module comprises two bevel gears 15, the end part of the central shaft of each rotating wheel 27 is fixedly connected with the central shaft of the second bevel gear 15, each second bevel gear 15 is meshed with the first bevel gear 14, the central shaft of each second bevel gear 15 penetrates through the vertical plate of the L-shaped plate 16, the vertical plate of each L-shaped plate 16 is fixedly connected with the other end of the corresponding sleeve 23, the horizontal plate of each L-shaped plate 16 is movably connected with the corresponding first bevel gear 14, the center of the horizontal plate of each L-shaped plate 16 is provided with a limiting hole 31, and all the limiting holes 31 are coaxial.

As a further limitation of the present technical solution, the upper side one end fixed connection motor 13 of the bottom plate 30, the lower end of the output shaft fixed connection cross-shaped rotating rod 17 of the motor 13, the cross-shaped rotating rod 17 passes all the limiting holes 31, the cross-shaped rotating rod 17 passes each of the centers of the first bevel gears 14.

Every diaphragm tip of L shaped plate 16 is the downside of fixed connection square plate 101 respectively, every the one side middle part of square plate 101 is the one end of the spacing axle 18 of fixed connection respectively, all spacing axle 18 all passes perpendicular spout 20, perpendicular spout 20 sets up on the montant of L shape pole 3, the montant lower extreme fixed connection of L shape pole 3 the upside one end of bottom plate 30.

The other end of each limiting shaft 18 is fixedly connected with a sliding block 9, all the sliding blocks 9 are arranged in the vertical sliding groove 20, a guide post 10 is arranged in the vertical sliding groove 20, the guide post 10 is fixedly connected with the L-shaped rod 3, and the guide post 10 penetrates through the sliding blocks 9.

Every one side of slider 9 articulates the one end of connecting rod 7 respectively, the one end of connecting rod three 29 is articulated to the montant one side lower part of L shape pole 3, the other end articulated of connecting rod three 29 corresponds the other end of connecting rod 7, remaining the other end of connecting rod 7 articulates the one end of connecting rod two 8 respectively, every the other end of connecting rod two 8 articulated the correspondence respectively the one end of connecting rod 7, one side and every of connecting rod three 29 one side of connecting rod two 8 one end of fixed connection cylinder slider 25 respectively, all cylinder slider 25 all sets up in the spout of straight flute bar 5, the both ends of straight flute bar 5 are passed by cross axle 121 respectively, two the one end of cross axle 121 fixed connection respectively the montant of L shape pole 3.

One the other end of the cross shaft 121 is fixedly connected with a stop block 12, one side of the straight groove rod 5 is fixedly connected with the end part of a telescopic rod of the electric push rod 6, the shell of the electric push rod 6 is fixedly connected with an L-shaped fixed rod 4, and the L-shaped fixed rod 4 is fixedly connected with the upper end of a vertical rod of the L-shaped rod 3.

One end of the upper side of the box body 2 close to the L-shaped rod 3 is fixedly communicated with the feeding channel 1.

The rotating shaft of the motor 13 is slow in rotating speed and set to 0.5 revolution per second.

The working process of the invention is as follows: during the use, pour the seed into box 2 in through feedstock channel 1, because support 2 inner walls of 2 fixed swash plates 21 laminating boxes of groove 22, the seed can all fall into one of the uppermost end and support the groove 22 in, and the design that the big downside opening of feedstock channel 1 upside opening is little can conveniently be poured the seed into, effectively avoids the seed to spill over, and the seed is in the support groove 22 of the top.

The electric push rod 6 is opened, the telescopic rod of the electric push rod 6 can stretch and retract back and forth to drive the straight groove rod 5 to move back and forth along the transverse shaft 121, the stop block 12 prevents the straight groove rod 5 from separating from the transverse shaft 121, the straight groove rod 5 moves back and forth to drive the cylindrical slide block 25 to move back and forth, one cylindrical slide block 25 drives the connecting rod III 29 to swing back and forth, the other cylindrical slide blocks 25 drive the connecting rod II 8 and the connecting rod I7 to swing back and forth, the connecting rod II 8 and the connecting rod I7 swing back and forth to drive the slide block 9 to move up and down along the guide column 10 in the vertical chute 20, the slide block 9 drives the limiting shaft 18, the square plate 101 and the L-shaped plate 16 to move up and down, due to the driving of the L-shaped plate 16, the bevel gear I14 and the bevel gear II 15 also move back and forth along the corresponding, meanwhile, the rotating wheel 27 and the spiral rotating rod 28 move up and down, and the supporting groove 22 moves up and down to vibrate the internal seeds, so that the seeds fall down quickly.

And after all the seeds are screened, closing the electric push rod 6, enabling the telescopic rod of the electric push rod 6 not to move any more, and enabling the supporting groove 22 and the like not to move up and down any more.

Because the round hole 26 at the bottom end of each supporting groove 22 is reduced in sequence, the largest seeds are left in the supporting groove 22 at the uppermost end, the seeds smaller than the round hole 26 on the supporting groove 22 at the uppermost end fall into the next supporting groove 22, and by analogy, the seeds with different sizes are left in the corresponding supporting grooves 22, so that the classified screening of the seeds is realized.

The seed containing bag is fixed at each discharge port 24 in advance, the motor 3 is opened, the output shaft of the motor 3 rotates to drive the cross-shaped rod 17 to rotate, the cross-shaped rod 17 penetrates through all the bevel gears 14, the cross-shaped rod 17 drives all the bevel gears 14 to rotate under the driving of the cross-shaped rod 17, each bevel gear 14 drives the corresponding bevel gear two 15 to rotate respectively, the bevel gear two 15 drives the corresponding rotating wheel 27 and the spiral rotating rod 28 to rotate slowly respectively, each spiral rotating rod 28 drives the seeds to move in the slow rotating process, the threads of the spiral rotating rod 28 face the discharge ports 24 outwards, the spiral rod 28 rotates to drive the seeds to move towards the discharge ports, the seeds can be moved out from the discharge ports 24 finally, and the seeds are conveniently transported into the seed containing bag.

Example two: motor 3 connects the positive reverse switch, the screw thread of spiral dwang 28 outwards rotates towards the discharge gate when setting up motor 3 corotation, spiral dwang 28 screw inwards rotates towards two 15 directions of bevel gear when motor 3 reverses, electric putter 6 reciprocating motion drives and supports groove 22 after vibrations are accomplished from top to bottom, the output shaft antiport that reverse switch control motor 3 can be opened, spiral dwang 28 can stir the seed in supporting groove 22, can make the seed further fall down, the screening is more thorough, motor 3's output shaft antiport drives spiral dwang 28 stirring seed and electric putter 6 reciprocating motion drives and supports groove 22 vibrations from top to bottom and can go on in turn, realize thoroughly screening the seed, then control corotation switch starts, motor 3's output shaft antiport, it shifts out to finally drive the seed.

Reference throughout the specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the subject matter disclosed. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that this description is not intended to limit the invention. On the contrary, the exemplary embodiments are intended to cover alternatives, modifications and equivalents, which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the detailed description of the exemplary embodiments, numerous specific details are set forth in order to provide a thorough understanding of the claimed invention. However, it will be understood by those skilled in the art that various embodiments may be practiced without these specific details.

Although the features and elements of the exemplary embodiments are described in the embodiments in particular combinations, each feature or element can be used alone without the other features and elements of the embodiments or in combinations with or without other features and elements disclosed herein.

This written description uses examples to disclose the invention, including the best mode, and also to enable any person skilled in the art to practice the invention, including making and using any devices or systems and performing any incorporated methods. The patentable scope of the invention is defined by the claims, and may include other examples that occur to those skilled in the art. Such other examples are intended to be within the scope of the claims if they have structural elements that do not differ from the literal language of the claims, or if they include equivalent structural elements to the structural elements recited in the literal languages of the claims.

Claims

1. The utility model provides a grain sieving mechanism, includes bottom plate (30), its characterized in that: the upper side of the bottom plate (30) is fixedly connected with a box body (2), one side of the box body (2) is provided with an opening, the other side of the box body (2) is provided with a limiting track (201), and a group of uniformly distributed sleeves (23) are arranged in the limiting track (201);

one end of each sleeve (23) in the box body (2) is fixedly connected with one end of a supporting groove (22) respectively, the lower side of each supporting groove (22) is an arc surface, a group of uniformly distributed round holes (26) are formed in the lower side of each supporting groove (22), and the round holes (26) are sequentially reduced from top to bottom;

two sides of the upper part of each supporting groove (22) are respectively fixedly connected with one side of an inclined plate (21), and the other side of each inclined plate (21) is attached to the inner wall of the box body (2);

the other end of each supporting groove (22) is respectively fixedly connected with a discharging hole (24) with the bottom inclined downwards

The inside of each sleeve (23) is respectively connected with a central shaft of a rotating wheel (27) in a bearing mode, the center of each rotating wheel (27) is respectively and fixedly connected with one end of a spiral rotating rod (28), and each rotating rod (28) is respectively arranged in the corresponding supporting groove (22);

the rotating wheel (27) is connected with an auxiliary rotating module.

2. The grain screening device of claim 1, wherein: the auxiliary rotating module comprises a second bevel gear (15), the end part of a central shaft of each rotating wheel (27) is fixedly connected with a central shaft of the second bevel gear (15), each second bevel gear (15) is meshed with the first bevel gear (14), the central shaft of each second bevel gear (15) penetrates through a vertical plate of an L-shaped plate (16), the vertical plate of each L-shaped plate (16) is fixedly connected with the other end of the corresponding sleeve (23), a transverse plate of each L-shaped plate (16) is movably connected with the corresponding first bevel gear (14), a limiting hole (31) is formed in the center of the transverse plate of each L-shaped plate (16), and all the limiting holes (31) are coaxial.

3. The grain screening device of claim 2, wherein: upside one end fixed connection motor (13) of bottom plate (30), the lower extreme of the output shaft fixed connection cross dwang (17) of motor (13), cross dwang (17) pass all spacing hole (31), cross dwang (17) pass every the center of bevel gear (14).

4. The grain screening device of claim 3, wherein: every the diaphragm tip of L shaped plate (16) is the downside of fixed connection square plate (101) respectively, every the one side middle part of square plate (101) is the one end of fixed connection spacing axle (18) respectively, all perpendicular spout (20) are all passed to spacing axle (18), erect spout (20) and set up on the montant of L shape pole (3), the montant lower extreme fixed connection of L shape pole (3) upside one end of bottom plate (30).

5. The grain screening device of claim 4, wherein: the other end of each limiting shaft (18) is fixedly connected with a sliding block (9), all the sliding blocks (9) are arranged in the vertical sliding grooves (20), guide columns (10) are arranged in the vertical sliding grooves (20), the guide columns (10) are fixedly connected with the L-shaped rods (3), and the guide columns (10) penetrate through the sliding blocks (9).

6. The grain screening device of claim 5, wherein: one side of each sliding block (9) is respectively hinged with one end of a first connecting rod (7), the lower part of one side of the vertical rod of the L-shaped rod (3) is hinged with one end of a connecting rod III (29), the other end of the connecting rod III (29) is hinged with the other end of the corresponding connecting rod I (7), the other ends of the other first connecting rods (7) are respectively hinged with one end of a second connecting rod (8), the other end of each second connecting rod (8) is respectively hinged with one end of the corresponding first connecting rod (7), one side of the third connecting rod (29) and one side of each second connecting rod (8) are respectively and fixedly connected with one end of a cylindrical sliding block (25), all the cylindrical sliding blocks (25) are arranged in the sliding grooves of the straight groove rods (5), two ends of the straight groove rod (5) are respectively penetrated by a transverse shaft (121), and one end of each transverse shaft (121) is respectively and fixedly connected with a vertical rod of the L-shaped rod (3).

7. The grain screening device of claim 5, wherein: one other end fixed connection dog (12) of cross axle (121), the telescopic link tip of one side fixed connection electric putter (6) of straight grooved bar (5), the shell fixed connection L shape dead lever (4) of electric putter (6), L shape dead lever (4) fixed connection the montant upper end of L shape pole (3).

8. The grain screening device of claim 5, wherein: one end of the upper side of the box body (2) close to the L-shaped rod (3) is fixedly communicated with the feeding channel (1).