CN114192388B

CN114192388B - Grain size sorting and stone removing device

Info

Publication number: CN114192388B
Application number: CN202111502260.5A
Authority: CN
Inventors: 熊永宏; 王斌; 张锋利
Original assignee: Hefei Junmao Vision Technology Co ltd
Current assignee: Hefei Junmao Vision Technology Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2023-01-17
Anticipated expiration: 2041-12-09
Also published as: CN114192388A

Abstract

The invention discloses a grain size sorting and stone removing device, and belongs to the technical field of grain screening. The utility model provides a cereal size letter sorting removes stone device, includes hierarchical case, hierarchical incasement portion divides fixed limiting plate according to 3. The grain vibrating and screening device can vibrate and screen the stones by utilizing the traditional dustpan vibrating mode according to the lever principle, so that the whole vibration of the equipment is changed into local vibration, a point-to-point vibrating and screening process is realized, the whole device is convenient to fix and stabilize while realizing fine vibrating and screening, the grain sorting device can be adjusted during the operation of the equipment, and the optimal sorting effect is realized.

Description

Grain size sorting and stone removing device

Technical Field

The invention relates to the technical field of grain screening, in particular to a grain size sorting and stone removing device.

Background

The cereal grain all can have a small amount of clod and stone grain after the sunning is collected, and it is comparatively arduous to reject clod and stone grain in the cereal grain when the cereal grain is collected, and the current destoner that designs for this reason, current destoner utilize cereal grain and the density difference than shoulder stone, reject than shoulder stone with the help of the supplementary realization of wind-force. However, the general adoption of the machine case of the stone remover is a whole vibrating screen, the whole equipment lacks stability, the angle adjustment of the sieve plate and the control of wind power are inconvenient, and the noise is very loud when the stone remover is used. The equipment parts wear and loosen quickly, requiring frequent maintenance.

When grains are sorted, the traditional dustpan shaking mode is adopted to shake and screen stones on the lever principle, one end of the sieve plate is controlled at high frequency to form a vibrating and screening effect, equipment shaking is reduced, and the vibrating and screening can be adjusted quickly and conveniently to achieve the best sorting state. Therefore, a grain size sorting and stone removing device is provided.

Disclosure of Invention

The invention aims to provide a grain size sorting and stone removing device which aims to solve the problems that the whole vibrating screen of a machine case of the traditional stone removing machine is lack of stability, the angle adjustment of a screen plate and the control of wind power are inconvenient, the noise is high, the abrasion and loosening of parts of equipment are quick and frequent maintenance is needed during use.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a cereal size letter sorting goes stone device, includes the classification case of rectangle structure classification incasement portion left and right sides is 3 the proportion division and the vertical fixed limiting plate of 7, the left and right sides of limiting plate is the drive room respectively and shakes the sieve room, the drive room top is provided with the pan feeding pipe, it is equipped with the device that induced drafts to shake sieve room top, the drive indoor portion is equipped with the sieve drive arrangement that shakes, it is equipped with and goes stone grading plant to shake sieve room upper strata, it is equipped with cereal sorting device to shake sieve room lower floor, it is equipped with the intake stack that inserts between stone grading plant and the cereal sorting device to shake sieve room side.

Preferably, the bottom end of the feeding pipe is of a rectangular structure and is communicated with the interior of the grading box, the bottom end of the feeding pipe is provided with a dropping plate in a staggered mode, the dropping plate located below the feeding pipe is obliquely inserted into the interior of the grading box and penetrates through the limiting plate to point to the vibrating screen chamber, and the two side edges of the dropping plate after penetrating through the feeding pipe are fixedly provided with the baffle plates.

Preferably, the air suction device comprises an air suction pipe, the air suction pipe is arranged in an oval shape and is communicated with the inside of the vibrating screen chamber, the bottom end of the flow plate below the air suction pipe is opposite to the left end of the air suction pipe, and the air suction pipe is provided with two suction fans close to the inside of the top end.

Preferably, the sieve drive arrangement shakes includes first dead lever, two first dead lever is bilateral symmetry and locates the position that both ends leaned on the top about the limiting plate, the impartial interval in both sides is equipped with vibrating rod and second dead lever about the first dead lever, the vibrating rod passes the limiting plate and extends to sieve indoor portion that shakes, the limiting plate passes the vertical first spacing spout of having seted up in position at the vibrating rod, be connected with two spring A on the first dead lever, spring A is connected with the vibrating rod of upper and lower both sides respectively, be equipped with the dwang of constituteing isosceles triangle with vibrating rod and second dead lever on the limiting plate, the dwang inserts on the limiting plate and is connected rather than rotating, the cam has been cup jointed on the dwang, the cover is equipped with the drive belt on the cam, vibrating rod and second dead lever pass through the drive belt with the cam and are connected, control two the dwang passes through sprocket and chain meshing and connects, one of them the rotating rod end connection has servo motor.

Preferably, it includes first sieve and second sieve to go stone grading plant, first sieve is located second sieve top and all is the slope structure and sets up in the indoor portion that shakes, there is the clearance in first sieve and second sieve four sides all with the sieve room that shakes, the corner of both sides all is fixed with the lug around first sieve and the second sieve, the bilateral symmetry is equipped with two rotation supporting seats about the lug, shake the sieve room and just be the arc to the position of a plurality of rotation supporting seats of the left and right sides and set up the second spacing spout that runs through the tank wall, be located left rotation supporting seat outer end middle part is equipped with and inserts the inside bracing piece rather than rotating the connection of the spacing spout of second, both ends middle part is fixed with the spacing pole about the lug, the rotation supporting seat just has seted up spacing hole and has spring B at its inside fixed mounting to the position of spacing pole, the spacing pole inserts spacing downthehole and is connected fixedly with spring B, is located the right side the second spacing spout is equipped with the slider that slides in and is outstanding to the grading case outside in the inner, the rotation of a plurality of rotation supporting seats is connected, the vertical outer end of slider runs through being provided with the threaded rod, the first spacing spout and is connected fixed lug with the spacing fixed connection.

Preferably, the cereal grain sorting device is including the letter sorting board, the letter sorting board is the slope and is equipped with in second sieve below, the letter sorting board is followed the inclined plane and has been seted up different apertures by big to little, letter sorting board below is equipped with a plurality of collection boxes in proper order.

Compared with the prior art, the invention provides a grain size sorting and stone removing device which has the following beneficial effects:

(1) The grain vibrating and screening and stone removing device utilizes the traditional dustpan shaking mode to vibrate and screen and remove stones according to the lever principle, after the vibrating and screening filtering function is improved, the whole vibration of the device is changed into local vibration, the point-to-point vibrating and screening process is realized, the whole device is convenient to fix and stabilize while fine vibrating and screening is realized, the maintenance of the device is reduced, and meanwhile, the grain sorting device is adjusted during the working of the device, so that the optimal sorting effect is realized.

(2) According to the invention, the first sieve plate and the second sieve plate form lever swing with the convex rod as the center, the lever swing is matched with the air speed flow of the suction fan, heavy grains and shoulder stones fall onto the second sieve plate from the left side of the first sieve plate to be screened for the second time, in addition, dust and crushed straws in the grains are absorbed by the air suction device to be treated, and the grains fall onto the grain sorting device after being screened to be sorted according to the particle sizes.

(3) The second limiting sliding groove is arranged at the position of the rotating supporting seat at the left side and the right side in an arc-shaped structure, the rotating supporting seat at the left side is connected with a supporting rod which is inserted into the second limiting sliding groove and is in rotating connection with the second limiting sliding groove, the rotating supporting seat at the left side is in rotating connection with a sliding block which is arranged in the second limiting sliding groove, the sliding block can slide up and down under the control of a threaded rod, and therefore the inclination angles of the first sieve plate and the second sieve plate at the high side are optimally adjusted and controlled through angle adjustment.

Drawings

FIG. 1 is a schematic overall front view of the present invention;

FIG. 2 is a schematic view of the overall front cross-sectional configuration of the present invention;

FIG. 3 is a rear view of the internal components of the grading box of the present invention;

fig. 4 is a schematic structural view of a first screen plate and related components of the present invention;

FIG. 5 is a schematic diagram of the structure at A in FIG. 3 according to the present invention;

FIG. 6 is a schematic view of the structure of FIG. 4 at B in accordance with the present invention;

FIG. 7 is a schematic view of the grain sorting apparatus according to the present invention;

FIG. 8 is a schematic sectional front side view of a graded tank housing of the present invention.

Description of the figure numbers: 1. a grading box; 2. a limiting plate; 3. a feeding pipe; 301. a flow plate; 4. an air suction device; 401. an air suction pipe; 402. a suction fan; 5. a vibrating screen driving device; 501. a first fixing lever; 502. an oscillating rod; 503. a second fixing bar; 504. a first limiting chute; 505. a spring A; 506. rotating the rod; 507. a cam; 508. a transmission belt; 509. a servo motor; 6. a stone removal and classification device; 601. a first screen deck; 602. a second screen deck; 603. a bump; 604. rotating the supporting seat; 605. a support bar; 606. a limiting rod; 607. a spring B; 608. a second limit chute; 609. a slider; 610. a threaded rod; 7. a grain sorting device; 701. sorting plates; 702. a collection box; 8. and (4) an air inlet pipeline.

Detailed Description

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

please refer to fig. 1-2, a stone device is removed in grain size letter sorting, classification case 1 including the rectangle structure, be 3 at classification case 1 inside about the proportion division of 7 and vertical fixed limiting plate 2, the left and right sides of limiting plate 2 is the drive chamber respectively and shakes the sieve room, the drive chamber top is provided with pan feeding pipe 3, it is equipped with induced draft device 4 to shake sieve room top, the inside sieve drive arrangement 5 that shakes that is equipped with of drive chamber, it is equipped with stone grading plant 6 to shake the sieve room upper strata, it is equipped with grain sorting device 7 to shake the sieve room lower floor, it is equipped with the intake stack 8 that inserts between stone grading plant 6 and the grain sorting device 7 to shake the sieve room side.

The bottom end of the feeding pipe 3 is of a rectangular structure and is communicated with the interior of the grading box 1, the flow plates 301 are arranged at the bottom end of the feeding pipe 3 in a staggered mode, the flow plates 301 located below are obliquely inserted into the grading box 1 and penetrate through the limiting plates 2 to point to the vibrating screen chamber, and the baffle plates 301 are fixed on two sides of the flow plates after penetrating out of the feeding pipe 3.

The air suction device 4 comprises an air suction pipe 401, the air suction pipe 401 is arranged in an oval shape and is communicated with the inside of the vibrating screen chamber, the bottom end of a flow plate 301 positioned below is over against the left end of the air suction pipe 401, and the air suction pipe 401 is internally provided with two suction fans 402 by abutting against the top end.

According to the grain size sorting and stone removing device provided by the invention, after the filtering function of the vibrating screen is improved, the whole vibration of the equipment is changed into local vibration, a point-to-point vibrating screen process is realized, the whole vibrating screen is convenient to fix and stabilize while the fine vibrating screen is realized, the maintenance of the equipment is reduced, and meanwhile, the grain sorting device 7 is adjusted in the working process of the equipment, so that the optimal sorting effect is realized.

A feeding pipe 3 and an air suction device 4 are communicated above a grading box 1, the left and right inside of the grading box 1 are divided into 3% according to the proportion of the grain weight inside the grading box 1 and are divided into a driving chamber and a vibrating screen chamber by a limiting plate 2, a vibrating screen driving device 5 taking a servo motor 509 as a power source is installed inside the driving chamber, the vibrating screen driving device penetrates through the limiting plate 2 to be connected with a stone removing grading device 6 inside the vibrating screen chamber and is used for controlling the vibrating screening of the stone removing grading device 6, the air suction device 4 is arranged above the vibrating screen chamber and is communicated with the inside of the vibrating screen chamber, an air inlet pipe 8 arranged inside the vibrating screen chamber is matched with a suction fan 402 to form an upward air channel penetrating through the stone removing grading device 6, the screening and removing of shoulder stones in grains are realized through air speed control and vibrating screen frequency, and the grains after removing stones continuously fall onto the grain sorting device 7 to be screened and collected according to the size of the grains.

The bottom of the feeding pipe 3 is provided with the staggered flowing plates 301 to control the grains to fall uniformly, the flowing plates 301 positioned below extend to the lower part of the air suction device 4, and the grains falling from the flowing plates 301 are directly influenced by wind power and are subjected to different densities with crushed stones to realize layered screening.

Example 2:

referring to fig. 3 and 5, there are differences in embodiment 1; vibrating sieve driving device 5 includes first dead lever 501, two first dead levers 501 are bilateral symmetry and locate the position that both ends leaned on the top about limiting plate 2, the equipartition interval in both sides is equipped with oscillating bar 502 and second dead lever 503 about first dead lever 501, oscillating bar 502 passes limiting plate 2 and extends to the indoor portion of vibrating sieve, limiting plate 2 has seted up first spacing spout 504 at oscillating bar 502 passes the position is vertical, be connected with two spring A505 on first dead lever 501, spring A505 is connected with oscillating bar 502 of upper and lower both sides respectively, be equipped with the dwang 506 that constitutes isosceles triangle with oscillating bar 502 and second dead lever 503 on limiting plate 2, dwang 506 inserts on limiting plate 2 and is connected rather than rotating, cam 507 has been cup jointed on the dwang 506, the cover is equipped with drive belt 508 on the cam 507, oscillating bar 502 and second dead lever 503 pass through drive belt 508 with cam 507 and be connected, two dwang 506 pass through sprocket and chain meshing connection about, one of them dwang 506 end connection has servo motor 509.

The stone removing and grading device 6 comprises a first sieve plate 601 and a second sieve plate 602, wherein the front side and the rear side of the left end surface of the first sieve plate 601 and the rear side of the left end surface of the second sieve plate 602 are provided with a fixed lug 603, the lug 603 is connected with an oscillating rod 502 inserted into a driving chamber, the oscillating rod 502 is provided with a second fixed rod 503 in parallel along the vertical direction at the driving chamber, one side of the oscillating rod 502 and the second fixed rod 503 is provided with a rotating rod 506 and is enclosed to form an isosceles triangle structure, the rotating rod 506 is sleeved with a cam 507, a transmission belt 508 arranged on the cam 507 is sleeved on the oscillating rod 502 and the second fixed rod 503, the rotating rod 506 is driven to rotate by a servo motor, the second fixed rod 503 is fixed on a limiting plate 2, the oscillating rod 502 of the limiting plate 2 is provided with a first limiting chute 504 in the up-down floating range, the cam 507 rotates eccentrically, the tightening state of the transmission belt 508 is changed to realize the up-down movement of the oscillating rod 502, wherein the oscillating rod 502 is reset by the elasticity of an oscillating spring A505, the first fixed rod 501 and the oscillating rod 502 are symmetrically fixed on the limiting plate 502, and the oscillating rod 502 by the oscillating rod 502, and the oscillating rod 502 is connected with the limiting plate 502 by the oscillating rod 502 by the elastic spring A505.

Example 3:

referring to FIGS. 4, 6, 7 and 8, the embodiment 1-2 is different from the above embodiments; the stone removing and grading device 6 comprises a first sieve plate 601 and a second sieve plate 602, the first sieve plate 601 is arranged above the second sieve plate 602 and is arranged in a vibrating sieve chamber in an inclined structure, gaps exist between four sides of the first sieve plate 601 and the second sieve plate 602 and the vibrating sieve chamber, lugs 603 are fixed at corners of the front side and the rear side of the first sieve plate 601 and the second sieve plate 602, two rotating supporting seats 604 are symmetrically arranged at the upper side and the lower side of each lug 603, the vibrating sieve chamber is just opposite to the rotating supporting seats 604 at the left side and is provided with an arc-shaped second limiting sliding chute 608 penetrating through the box wall, a supporting rod 605 inserted into the second limiting sliding chute 608 and rotatably connected with the supporting rod is arranged in the middle of the outer end of the rotating supporting seat 604 at the left side, a limiting rod 606 is fixed in the middle of the upper side and the lower side of each lug 603, a limiting hole is arranged at a position where the rotating supporting seat 604 is just opposite to the limiting rod 606 and is fixedly provided with a spring B607 inside, the limiting rod 606 is inserted into the limiting hole and fixedly connected with the spring B607, a sliding block 609 is arranged in the second limiting sliding chute 608 arranged at the right side, the inner end of the sliding block 609, and a first oscillating rod 504 is arranged through the supporting seat 502.

Grain sorting device 7 includes letter sorting board 701, and letter sorting board 701 is the slope and is equipped with in second sieve 602 below, and letter sorting board 701 has seted up different apertures by big to little along the inclined plane, and letter sorting board 701 below is equipped with a plurality of collection boxes 702 in proper order.

The grain vibration and stone removal method is characterized in that a first sieve plate 601 and a second sieve plate 602 are obliquely arranged in a left-high right-bottom mode, the first sieve plate 601 and the second sieve plate 602 are suspended in a vibration sieve chamber, a convex rod is longitudinally fixed in the middle of the first sieve plate 601 and the second sieve plate 602, the front end and the rear end of the convex rod are inserted into the vibration sieve chamber to realize rotary connection, convex blocks 603 are arranged at the corners of the front side and the rear side of the first sieve plate 601 and the second sieve plate 602 to enable the convex blocks 603 to be in contact with the inner wall of the vibration sieve chamber, rotary supporting seats 604 are arranged on the inner wall of the vibration sieve chamber on the upper side and the lower side around the convex blocks 603, the convex blocks 603 are elastically connected with the rotary supporting seats 604 through a spring B607 and a limiting rod 606, the whole first sieve plate 601 is over a suction pipe 401, a lower flow plate 301 is also extended to the left side of the first sieve plate 601, when the vibration rod 502 floats up and down, the first sieve plate 601 and the second sieve plate 602 perform sorting on grains by a sorting device which sorts grains by using a lever with a dust-absorbing device and a dust-sorting device which sorts grains 4.

The invention arranges a second limit sliding groove 608 at the left and right rotary supporting seats 604 in an arc structure, the left rotary supporting seat 604 is connected with a supporting rod 605 which is inserted into the second limit sliding groove 608 and is connected with the second limit sliding groove in a rotary way, the left rotary supporting seat 604 is connected with a sliding block 609 arranged in the corresponding second limit sliding groove 608 in a rotary way, the sliding block 609 can slide up and down under the control of a threaded rod 610, and further the inclination angles of the first sieve plate 601 and the second sieve plate 602 at the high side are further improved.

According to the invention, the first sieve plate 601 and the second sieve plate 602 are simultaneously controlled by one threaded rod 610, so that the angle changes are the same, and two threaded rods 610 can be arranged during actual design to respectively and independently control the first sieve plate 601 and the second sieve plate 602 to realize optimal regulation and control.

The invention also provides a damper in the suction pipe 401 to control the wind speed intensity.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a cereal size letter sorting goes stone device, includes grading box (1) of rectangle structure grading box (1) is 3 about inside proportion division and vertical fixed limiting plate (2), the left and right sides of limiting plate (2) is drive room and sieve room, its characterized in that shakes respectively: a feeding pipe (3) is arranged above the driving chamber, an air suction device (4) is arranged above the vibrating screen chamber, a vibrating screen driving device (5) is arranged inside the driving chamber, a stone removing and grading device (6) is arranged on the upper layer of the vibrating screen chamber, a grain sorting device (7) is arranged on the lower layer of the vibrating screen chamber, and an air inlet pipeline (8) inserted between the stone removing and grading device (6) and the grain sorting device (7) is arranged on the side edge of the vibrating screen chamber;

the vibrating screen driving device (5) comprises first fixing rods (501), the two first fixing rods (501) are arranged at the positions, close to the upper parts, of the left end and the right end of the limiting plate (2) in a bilateral symmetry mode, the upper side and the lower side of the first fixed rod (501) are provided with an oscillating rod (502) and a second fixed rod (503) at equal intervals, the oscillating rod (502) passes through the limiting plate (2) and extends to the inside of the vibrating screen chamber, the position of the limit plate (2) where the oscillating rod (502) passes is vertically provided with a first limit chute (504), two springs A (505) are connected to the first fixing rod (501), the spring A (505) is respectively connected with the oscillating rods (502) at the upper side and the lower side, the limiting plate (2) is provided with a rotating rod (506) which forms an isosceles triangle together with the oscillating rod (502) and the second fixing rod (503), the rotating rod (506) is inserted into the limit plate (2) and is connected with the limit plate in a rotating way, a cam (507) is sleeved on the rotating rod (506), a transmission belt (508) is sleeved on the cam (507), the oscillating rod (502) and the second fixed rod (503) are connected with a cam (507) through a transmission belt (508), the left rotating rod (506) and the right rotating rod (506) are meshed and connected through a chain wheel and a chain, and a servo motor (509) is connected to the end part of one rotating rod (506).

2. The grain size sorting and stone removal device according to claim 1, wherein: the bottom end of the feeding pipe (3) is of a rectangular structure and is communicated with the interior of the grading box (1), the bottom end of the feeding pipe (3) is provided with a dropping plate (301) in a staggered mode, the dropping plate (301) located below is obliquely inserted into the interior of the grading box (1) and penetrates through the limiting plate (2) to point to the vibrating screen chamber, and the baffle plates (301) are fixed on two sides of the dropping plate after penetrating out of the feeding pipe (3).

3. The grain size sorting and stone removal device according to claim 2, wherein: induced draft device (4) include aspiration channel (401), aspiration channel (401) be oval form setting and with the inside intercommunication of sieving room, be located the below it is just to the left end of aspiration channel (401) to drip board (301) bottom, aspiration channel (401) lean on the top inside to being and being equipped with two suction fans (402).

4. The grain size sorting and stone removal device according to claim 1, wherein: the stone removing and grading device (6) comprises a first sieve plate (601) and a second sieve plate (602), wherein the first sieve plate (601) is arranged above the second sieve plate (602) and is arranged in a vibrating sieve chamber in an inclined structure, gaps exist between the four sides of the first sieve plate (601) and the second sieve plate (602) and the vibrating sieve chamber, lugs (603) are fixed at the corners of the front side and the rear side of the first sieve plate (601) and the second sieve plate (602), two rotating support seats (604) are symmetrically arranged on the upper side and the lower side of each lug (603), a plurality of rotating support seats (604) on the left side and the right side of the vibrating sieve chamber are in an arc shape, second limiting sliding grooves (608) penetrating through box walls are formed in the positions, which are right opposite to the rotating support seats (604), a support rod (605) inserted into the second limiting sliding grooves (608) and rotationally connected with the rotating support rods is arranged in the middle of the outer ends of the rotating support seats (603), limiting rods (606) are fixed in the middle of the upper ends and the lower ends of the rotating support seats (604), limiting rods (606) are provided with limiting holes and are fixedly provided with springs B (609), a plurality of limiting slide blocks (607) which are connected with the inner ends of a plurality of sliding blocks (609) and a plurality of sliding block (609) which are connected with the rotating support seats, the sliding blocks (609) which are connected with the sliding blocks (609), the sliding blocks (609) which are arranged in the rotating support seats, the inner ends of the sliding blocks (609), the sliding blocks (607), the sliding blocks (609) and the sliding blocks (609) which are connected with the sliding blocks (609), the inner ends of the rotating support seats, the sliding blocks (609) in the sliding blocks (609), the sliding blocks (1) in the rotating support seats, the outer end of the sliding block (609) is vertically provided with a threaded rod (610) in a penetrating mode, and the oscillating rod (502) penetrates through the first limiting sliding groove (504) to be fixedly connected with the bump (603).

5. The grain size sorting and stone removal device according to claim 4, wherein: grain sorting device (7) are including letter sorting board (701), letter sorting board (701) are the slope and are equipped with in second sieve (602) below, different apertures have been seted up by big to little along inclined plane letter sorting board (701), letter sorting board (701) below is equipped with a plurality of collection boxes (702) in proper order.