CN218108328U - Wheat fine-selection device - Google Patents

Abstract

The utility model discloses a choice device of wheat, including first screening mechanism and second screening mechanism, first screening mechanism sets up the top of second screening mechanism, the discharge end of first screening mechanism with the feed end intercommunication of second screening mechanism, first sieve separator includes first screening case, first screening case lateral wall fixedly connected with support arm, first screening incasement level is equipped with the shale shaker frame, the bottom of shale shaker frame is equipped with first sieve, the bottom of shale shaker frame is connected with the collecting box, the bottom of collecting box is connected with the discharging pipe, a plurality of transmission pieces of circumference fixedly connected with of shale shaker frame, the top fixed mounting of transmission piece has vibrating motor, the bottom of transmission piece with bottom wall elastic connection in the first screening case, the utility model discloses choice device has effectually promoted wheat screening effect to wheat screening work efficiency has been improved.

Description

Wheat fine-selection device

Technical Field

The utility model relates to a wheat sieving mechanism technical field specifically is a wheat choice device.

Background

In agricultural production, as impurities such as sand, mud, soil, blighted grains and the like are mixed in the wheat after the wheat is received, a wheat selection device is used for removing impurities and screening the wheat raw material before the flour is processed;

traditional sieving mechanism is just through the mode detach impurity of single vibration screening, in order to improve the screening effect, need the circulation to carry out the screening many times, and screening efficiency is poor, and is consuming time long, and still thoughtlessly has impurity in the wheat after final screening easily.

Disclosure of Invention

An object of the utility model is to provide a choice device of wheat to solve the problem of complaining on.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a choice device of wheat, includes first screening mechanism and second screening mechanism, first screening mechanism sets up the top of second screening mechanism, the discharge end of first screening mechanism with the feed end intercommunication of second screening mechanism, first screening mechanism includes first screening case, first screening case lateral wall fixedly connected with support arm, first screening incasement level is equipped with the shale shaker frame, the bottom of shale shaker frame is equipped with first sieve, the bottom of shale shaker frame is connected with the collecting box, the bottom of collecting box is connected with the discharging pipe, a plurality of transmission pieces of circumference fixedly connected with of shale shaker frame, the top fixed mounting of transmission piece has vibrating motor, the bottom of transmission piece with bottom wall elastic connection in the first screening case.

Preferably, the guiding hole of vertical setting is seted up to the bottom of driving block, the vertical guide bar that is equipped with in the guiding hole, the bottom of guide bar with the diapire fixed connection of first screening case, the movable sleeve is equipped with stiff spring on the guide bar, stiff spring's bottom with the driving block is connected, stiff spring's bottom with wall connection in the first screening case.

Further preferably, second screening mechanism is including setting up second screening case of first screening case below, the discharging pipe runs through first screening case is connected with defeated material hose, defeated material hose with second screening roof portion intercommunication, second screening incasement is equipped with the horizontally and shakes the reel, the bottom of shaking the reel is equipped with the second sieve, second screening incasement fixed connection has the baffle of level setting, the baffle is located second sieve below, circular shape swivelling chute has been seted up to baffle top central authorities, be equipped with the carousel in the swivelling chute, it has first motor to lie in eccentric position fixed mounting on the carousel, the output shaft of first motor with the coaxial fixed connection of second sieve, second screening bottom of the case fixed mounting has the second motor, the output shaft of second motor runs through the baffle with the coaxial fixed connection of carousel.

Further preferably, the diameter of the shaker basket plus the distance from the first motor to the center of the turntable is less than the diameter of the second screening box.

Further preferably, a mounting groove is formed in the top of the second screening box, a top cover is arranged in the mounting groove, and the conveying hose penetrates through the top cover.

Further preferably, the bottom in the first screening box is fixedly provided with a servo electric cylinder, and a telescopic rod of the servo electric cylinder penetrates through the bottom wall of the first screening box downwards and is fixedly connected with the top cover.

Still further preferably, two servo electric cylinders are provided and are controlled synchronously.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses choice device has set up first screening mechanism and second screening mechanism, has set up the mode of vibration screening in the first screening mechanism, has set up the mode of shaking the screening in the second screening mechanism, combines two screening modes, and the wheat passes through the vibration screening earlier after again through shaking the screening, can effectually detach the impurity of mixing in the wheat, improves the screening quality of wheat.

The utility model discloses in the first screening mechanism of choice device in the side fixedly connected with transmission block of shale shaker frame, set up vibrating motor on the transmission block, the bottom of transmission block has set up the guiding hole, has set up the guide bar in the guiding hole, has set up stiff spring on the guide bar, at the vibration in-process, can guarantee the good vibration effect of first reel through stiff spring's effect.

The utility model discloses be provided with the second motor among the choice device second screening mechanism and drive rotatory carousel, the eccentric position of carousel has set up the second motor, and the second motor combines eccentric rotation and two kinds of rotation modes of rotation with the coaxial fixed connection of second sieve, screening effect that can effectual promotion second sieve.

Drawings

FIG. 1 is a schematic structural view of a wheat refining device of the present invention;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;

in the figure: 1. a first screening mechanism; 101. a first screening bin; 102. a support arm; 103. vibrating the screen frame; 104. a first screen deck; 105. a collection box; 106. a discharge pipe; 107. a transmission block; 108. a vibration motor; 109. a guide hole; 110. a guide bar; 111. a rigid spring; 201. a second screening bin; 202. shaking the screen frame; 203. a second screen deck; 204. a partition plate; 205. a rotating tank; 206. a turntable; 207. a first motor; 208. a second motor; 209. mounting grooves; 210. a top cover; 3. a delivery hose; 4. and a servo electric cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides an embodiment: a wheat selection device comprises a first screening mechanism 1 and a second screening mechanism 2, wherein the first screening mechanism 1 is arranged above the second screening mechanism 2, the discharge end of the first screening mechanism 1 is communicated with the feed end of the second screening mechanism 2, the first screening mechanism 1 comprises a first screening box 101, the outer side wall of the first screening box 101 is fixedly connected with a support arm 102, a vibrating screen frame 103 is horizontally arranged in the first screening box 101, a first screen plate 104 is arranged at the bottom of the vibrating screen frame 103, the diameter of a screen hole of the first screen plate 104 is slightly larger than the grain diameter of wheat, the bottom of the vibrating screen frame 103 is connected with a collection box 105, the bottom of the collection box 105 is connected with a discharge pipe 106, a plurality of transmission blocks 107 are fixedly connected in the circumferential direction of the vibrating screen frame 103, a vibration motor 108 is fixedly arranged at the tops of the transmission blocks 107, and the bottoms of the transmission blocks 107 are elastically connected with the inner bottom wall of the first screening box 101;

in the first step of wheat screening, a vibrating motor 108 drives a transmission block 107 to vibrate, the transmission block 107 drives a vibrating screen frame 103 and a first screen plate 104 to vibrate, large impurities are isolated on the first screen plate 104 in a vibrating screening mode, and wheat falls into a collection box 105 and enters a second screening mechanism 2 through a discharge pipe 106;

specifically, a vertically arranged guide hole 109 is formed in the bottom of the transmission block 107, a guide rod 110 is vertically arranged in the guide hole 109, the bottom of the guide rod 110 is fixedly connected with the bottom wall of the first screening box 101, a rigid spring 111 is movably sleeved on the guide rod 110, the bottom of the rigid spring 111 is connected with the transmission block 107, and the bottom of the rigid spring 111 is connected with the bottom wall of the first screening box 101;

when the vibration motor 108 drives the transmission block 107 to vibrate, the motion frequency of the first sieve plate 104 is consistent and stable under the matching of the guide rod 110 and the guide hole 109, and the vibration effect transmitted to the first sieve box 101 is reduced under the elastic force action of the rigid spring 111, so that the vibration effect of the vibrating sieve frame 103 is ensured;

specifically, the second screening mechanism 2 includes a second screening box 201 disposed below the first screening box 101, the discharge pipe 106 penetrates through the first screening box 101 to be connected with a material conveying hose 3, the material conveying hose 3 is communicated with the top of the second screening box 201, a horizontal shaking screen frame 202 is disposed in the second screening box 201, a second screen plate 203 is disposed at the bottom of the shaking screen frame 202, the diameter of a screen hole of the second screen plate 203 is slightly larger than the grain diameter of wheat, a horizontal partition plate 204 is fixedly connected in the second screening box 201, the partition plate 204 is disposed below the second screen plate 203, a circular rotating groove 205 is disposed in the center of the top of the partition plate 204, a rotating disc 206 is disposed in the rotating groove 205, a first motor 207 is fixedly disposed at an eccentric position on the rotating disc 206, an output shaft of the first motor 207 is fixedly connected with the second screen plate 203 in a coaxial manner, a second motor 208 is fixedly disposed at the bottom of the second screening box 201, and an output shaft of the second motor 208 penetrates through the partition plate 204 and is fixedly connected with the rotating disc 206 in a coaxial manner;

in the second step of wheat screening, wheat enters the shaking screen frame 202 through the discharge pipe 106 and the delivery hose 3, the second motor 208 drives the turntable 206 to rotate, so that the second screen plate 203 is driven to rotate around the center of the turntable 206, meanwhile, the first motor 207 drives the second screen plate 203 to rotate, and by combining two rotation effects, small impurities in the wheat can be effectively removed, and by combining the effect of taking out large impurities by the first screening mechanism 1, the wheat screening effect can be effectively improved, and meanwhile, the time consumption of screening work is reduced;

specifically, the diameter of the shaker screen frame 202 plus the distance from the first motor 207 to the center of the turntable 206 is smaller than the diameter of the second screening box 201, so that the smoothness of the movement of the shaker screen frame 202 is ensured, and the shaker screen frame 202 is prevented from touching the inner wall c of the second screening box 201;

specifically, a mounting groove 209 is formed in the top of the second screening box 201, a top cover 210 is arranged in the mounting groove 209, the delivery hose 3 penetrates through the top cover 210, and the top cover 210 is detachably opened, so that an operator can conveniently overhaul the second screening box;

specifically, a servo electric cylinder 4 is fixedly arranged at the bottom in the first screening box 101, an expansion link of the servo electric cylinder 4 penetrates through the bottom wall of the first screening box 101 downwards and is fixedly connected with the top cover 210, the top cover 210 is opened by power provided by the servo electric cylinder 4, and the opening working mode of the top cover 210 is simplified;

specifically, servo electric cylinder 4 is equipped with two, two servo electric cylinder 4 synchro control guarantees the stability when top cap 210 opens the activity.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Claims (7)

1. A wheat carefully-selecting device is characterized in that: including first screening mechanism (1) and second screening mechanism (2), first screening mechanism (1) sets up the top of second screening mechanism (2), the discharge end of first screening mechanism (1) with the feed end intercommunication of second screening mechanism (2), first screening mechanism (1) is including first screening case (101), first screening case (101) lateral wall fixedly connected with support arm (102), the level is equipped with shale shaker frame (103) in first screening case (101), the bottom of shale shaker frame (103) is equipped with first sieve (104), the bottom of shale shaker frame (103) is connected with collecting box (105), the bottom of collecting box (105) is connected with discharging pipe (106), the circumference fixedly connected with of shale shaker frame (103) a plurality of transmission pieces (107), the top fixed mounting of transmission piece (107) has vibrating motor (108), the bottom of transmission piece (107) with first screening case (101) inner bottom wall elastic connection.

2. The wheat refining device of claim 1, wherein: guide hole (109) of vertical setting are seted up to the bottom of transmission piece (107), vertically in guide hole (109) be equipped with guide bar (110), the bottom of guide bar (110) with the diapire fixed connection of first screening case (101), the movable sleeve is equipped with rigid spring (111) on guide bar (110), the bottom of rigid spring (111) with transmission piece (107) are connected, the bottom of rigid spring (111) with wall connection in first screening case (101).

3. The wheat refining device of claim 1, wherein: second screening mechanism (2) is including setting up second screening case (201) of first screening case (101) below, discharging pipe (106) run through first screening case (101) are connected with defeated material hose (3), defeated material hose (3) with second screening case (201) top intercommunication, be equipped with horizontally in second screening case (201) and wave reel (202), the bottom of shaking reel (202) is equipped with second sieve (203), fixed connection has baffle (204) that the level set up in second screening case (201), baffle (204) are located second sieve (203) below, circular shape revolving chute (205) have been seted up to baffle (204) top central authorities, be equipped with carousel (206) in revolving chute (205), it has first motor (207) to lie in eccentric position fixed mounting on carousel (206), the output shaft of first motor (207) with the coaxial fixed connection of second sieve (203), second screening case (201) bottom fixed mounting has second motor (208), second motor (208) runs through coaxial fixed connection carousel (204) and carousel (206).

4. A wheat sifting apparatus as defined in claim 3 wherein: the diameter of the shaking screen frame (202) plus the distance from the first motor (207) to the center of the turntable (206) is smaller than the diameter of the second screening box (201).

5. A wheat refining apparatus as defined in claim 3, wherein: mounting groove (209) have been seted up at the top of second screening case (201), be equipped with top cap (210) in mounting groove (209), defeated material hose (3) run through top cap (210).

6. A wheat refining device according to claim 5, wherein: the bottom is fixed in first screening case (101) is equipped with servo electric jar (4), the telescopic link of servo electric jar (4) runs through downwards first screening case (101) diapire with top cap (210) fixed connection.

7. A wheat refining device according to claim 6 wherein: two servo electric cylinders (4) are arranged, and the two servo electric cylinders (4) are synchronously controlled.

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