CN111889353A

CN111889353A - Screening equipment for agricultural product processing

Info

Publication number: CN111889353A
Application number: CN202010652386.XA
Authority: CN
Inventors: 许冬云
Original assignee: Anhui Chaiyuan Tartary Buckwheat Products Co ltd
Current assignee: Anhui Chaiyuan Tartary Buckwheat Products Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2020-11-06

Abstract

The invention discloses screening equipment for agricultural product processing, which belongs to the field of agricultural product processing and comprises a frame, wherein at least two groups of swinging units are arranged on the frame; at least two screens are hinged on at least two groups of swing units; the rack is provided with a motor and a speed reducer connected with the motor; the output end of the speed reducer is provided with a flywheel, the flywheel is eccentrically connected with a connecting rod, and the other end of the connecting rod is hinged on any swing unit; the frame is provided with a blanking hopper and a plurality of blanking plates, the blanking plates are all obliquely arranged, the upper ends of the blanking plates are used for bearing a blanking port of the blanking hopper, and the lower ends of the blanking plates extend to the upper part of a screen; the receiving support is arranged on the rack, a plurality of receiving plates are arranged on the receiving support, the receiving plates are obliquely arranged, the upper ends of the receiving plates are connected below one screen, and the lower ends of the receiving plates extend out of the screen; wherein the blanking plate, the screen and the receiving plate are distributed in a staggered way. The multi-point screening machine is reasonable in design and convenient to use, can perform multi-point screening simultaneously, and improves screening efficiency.

Description

Screening equipment for agricultural product processing

Technical Field

The invention relates to the field of agricultural product processing, in particular to screening equipment for agricultural product processing.

Background

The scope of the 'grain' is wide, and the 'grain' comprises rice, wheat, millet, soybean and other coarse cereals. The cereals include rice, wheat, buckwheat, millet, soybean, etc., and are mainly plant seeds and fruits. Is a traditional staple food for many asian people, and during the processing of agricultural products, it is often necessary to sieve the grain particles to obtain a grain of suitable size for further processing.

However, when the current screening device for processing agricultural products works, if the screening efficiency is to be improved, the common practice is to increase the amount and speed of conveying materials to the screen, but the materials are accumulated on a limited screen area, and under the condition of a certain screen area, the considerable screening efficiency cannot be obtained by increasing the material feeding speed. To address this phenomenon, it is conventional practice to increase the size of the device, so as to provide a larger size screen, and to provide a larger area of screen that can be put into screening at the same time. However, the practice is not only temporary but also heavy, and the large-sized screen is more easily damaged and the replacement cost is higher.

Disclosure of Invention

Aiming at the problem that the screening equipment for agricultural product processing in the prior art is low in efficiency, the invention aims to provide the screening equipment for agricultural product processing.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a screening device for agricultural product processing comprises,

a frame;

the swinging units are hinged on the rack and swing in the same vertical plane, the swinging units are distributed at intervals along the swinging direction, each swinging unit comprises two swinging rods distributed at intervals along the direction vertical to the swinging direction, and the swinging rods are parallel to each other;

the at least two screens are distributed at intervals along the height direction and are hinged with the two swing rods in each group of swing units;

the power device is fixedly arranged on the rack and comprises a motor and a speed reducer connected with the motor;

the transmission unit comprises a flywheel and a connecting rod, the flywheel is installed at the output end of the speed reducer, one end of the connecting rod is hinged to the eccentric position of the flywheel, and the other end of the connecting rod is hinged to the side wall of any swing rod;

the blanking device comprises a blanking support fixed on the rack, and a blanking hopper and a plurality of blanking plates which are installed on the blanking support, wherein a plurality of blanking ports are formed in the lower portion of the blanking hopper, each blanking port is provided with a bin gate, the blanking plates are all arranged in an inclined mode, the upper end of each blanking plate is only connected with one blanking port in a connection mode, the lower end of each blanking plate extends to the position above the screen, and one blanking plate is arranged above each screen;

the receiving device comprises a receiving bracket fixed on the rack and a plurality of receiving plates arranged on the receiving bracket, the receiving plates are obliquely arranged, the upper ends of the receiving plates are exclusively received below one screen, the lower ends of the receiving plates extend out of the screen, and one receiving plate is arranged below each screen;

wherein, flitch, screen cloth and material collecting plate are crisscross to be distributed down.

As a further limitation of the present invention, a plurality of partition plates arranged in parallel along a feeding direction are mounted on the feeding plate, two adjacent partition plates form a horn-shaped feeding channel, small ends of the horn-shaped feeding channels are connected to one feeding port, and lower ends of the horn-shaped feeding channels are sequentially distributed above one screen along the swinging direction.

As a further limitation to the invention, the material collecting device further comprises a material collecting hopper, wherein the material collecting hopper is fixedly installed on the rack, and the lower ends of the material collecting plates are all located above the material collecting hopper.

As a further limitation of the present invention, a radially sliding adjusting slider is slidably connected to the flywheel, and the adjusting slider can be locked with respect to the flywheel by a locking structure.

As a further limitation of the present invention, the locking structure includes a pin hole disposed on the adjusting slide seat, a positioning pin located in the pin hole, and a plurality of positioning holes disposed on the flywheel and adapted to the positioning pin, and the plurality of positioning holes are sequentially distributed at intervals along the sliding direction of the adjusting slide seat.

By adopting the technical scheme, due to the arrangement of the plurality of screens arranged on the swing frame, the multi-point screening can be simultaneously carried out, so that the screening quantity can be improved or the screening efficiency can be improved on the basis of ensuring that the screening quantity is not changed; the corresponding setting of flitch and receipts flitch under a plurality of can be to each screen cloth simultaneous feed and receipts material, the orderly of guaranteeing to sieve goes on.

Drawings

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

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural diagram of a blanking plate according to the present invention;

fig. 4 is a schematic view of an adjusting base and a locking structure thereof according to the present invention.

In the drawing, 1-a frame, 2-a swing rod, 3-a screen, 31-a frame, 32-a screen body, 33-a coaming, 4-a power device, 41-a motor, 42-a speed reducer, 5-a transmission unit, 51-a flywheel, 52-a connecting rod, 6-a blanking device, 61-a blanking bracket, 62-a blanking hopper, 63-a blanking plate, 64-a bin gate, 65-a clapboard, 7-a material receiving device, 71-a material receiving bracket, 72-a material receiving plate, 73-a material receiving hopper, 8-an adjusting base, 81-a radial chute, 9-a locking structure, 91-a positioning pin and 92-a positioning hole.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Unless expressly stated or limited otherwise, the terms "mounted" and "connected" are intended to be inclusive, e.g., connected as a fixed connection or a removable connection, or integrally connected; can be mechanically or electrically connected; the two structures can be directly connected or indirectly connected through an intermediate medium, and the two structures can be communicated with each other. To those skilled in the art, the specific meanings of the above terms in the present invention can be understood in light of the present general concepts, in connection with the specific context of the scheme.

An embodiment of the present invention provides a screening apparatus for agricultural product processing, as shown in fig. 1-3, specifically comprising,

a frame 1;

the frame 1 is a frame-shaped or grid-shaped structure formed by splicing a plurality of sectional materials and is fixed on the ground through foundation bolts.

The swing mechanism comprises a rack 1, at least two groups of swing units and at least two groups of swing rods, wherein the rack 1 is provided with a vertical plane, the vertical plane is vertical to the vertical plane, the swing units are arranged in the vertical plane, the vertical plane is vertical to the vertical plane, the swing rods 2 are arranged in the vertical plane, and the vertical plane is vertical to the vertical plane;

in this embodiment, there are two swing units, and the two swing units have four swing rods 2, and the four swing rods 2 are distributed on the frame 1 in a rectangular shape. Every rocking bar 2 all is through a hinged pedestal and frame 1 fixed connection, this hinged pedestal includes a base member and a round pin axle, this base member passes through the bolt fastening on frame 1, the top surface of base member is provided with a recess, all be provided with the pinhole on two opposite flank of this recess, the pinhole coaxial line on two opposite flank of recess, the lower part of rocking bar 2 also is provided with the same pinhole simultaneously, the recess on the base member is arranged in to the lower part of rocking bar 2, and make three pinhole coaxial line after, pass three round pin axle by foretell round pin axle in proper order, thereby make rocking bar 2 realize articulatedly through hinged pedestal and frame 1. And it can be understood that the pin holes on the four rocking bars 2 are parallel to each other and are all horizontal, and it can be understood that the pin holes on the two rocking bars 2 belonging to the same rocking unit are coaxial, and the above-mentioned rocking direction is the direction perpendicular to the pin holes in the horizontal plane. And in order to keep the four rocking bars 2 always parallel to each other, in this embodiment, a reinforcing bar is connected between two adjacent rocking bars 2, so that each rocking bar 2 is integrally formed in terms of motion.

The screen cloth comprises at least two screen cloth 3, wherein the at least two screen cloth 3 are distributed at intervals along the height direction, and the screen cloth 3 is hinged with the two swing rods 2 in each group of swing units;

in the present embodiment, three screens 3 are provided and it is understood that three screens 3 are all horizontal, wherein each screen 3 is hinged to all four rocking bars 2, and the hinged connection can be realized by the above-mentioned hinged base, except that the hinged base is fixedly mounted on the screen 3. It will also be appreciated that the three screens 3 are equally spaced in height. And the three screens 3 are coincident in a direction along the length of the rocking beam 2, i.e. when the rocking beam 2 is rocked to an upright position, the projections of the three screens 3 onto the ground are coincident.

The power device 4 is fixedly arranged on the rack 1, and the power device 4 comprises a motor 41 and a speed reducer 42 connected with the motor 41;

it can be understood that in the present embodiment, the motor 41 is a three-phase asynchronous motor, and the output shaft of the motor may be connected to the input end of the speed reducer 42 through a coupling; or in another embodiment, the motor 41 and the reducer 42 may constitute an integral device, such as a SEW reducer motor.

The transmission unit 5 comprises a flywheel 51 and a connecting rod 52, the flywheel 51 is arranged at the output end of the speed reducer 42, one end of the connecting rod 52 is hinged on the eccentric position of the flywheel 51, and the other end of the connecting rod is hinged on the side wall of any swing rod 2;

in this embodiment, a pin shaft may be directly installed on the eccentric position (i.e., the non-center position) of the flywheel 51 and the side wall of the rocking bar 2, and two corresponding shaft holes in clearance fit with the pin shaft are respectively formed at two ends of the connecting rod 52; wherein, the axis of the pin shaft is parallel to the rotation axis of the rocking bar 2. Or in another embodiment, it is preferable that the connecting rod 52 and the flywheel 51, and the connecting rod 52 and the rocking beam 2 are hinged by the above-mentioned hinge base. And it can be understood that, in order to make the stress of the swing unit integrated by the reinforcing rod connecting layer more balanced, in another embodiment, two sets of transmission units 5 can be provided, the two sets of transmission units 5 are respectively used for driving the two swing rods 2 in one swing unit, and a transmission shaft is provided, the transmission shaft is rotatably connected on the frame 1 through a bearing and a bearing seat, the flywheels 51 in the two sets of transmission units 5 are respectively arranged on the corresponding positions of the transmission shaft, and the output end of the speed reducer 42 is connected with the transmission shaft through a coupling.

Still include unloader 6, unloader 6 includes unloading support 61 of fixed mounting on frame 1 and installs hopper 62 and a plurality of flitch 63 down on unloading support 61, and wherein, hopper 62 is the toper, and its lower part is provided with a plurality of feed openings (not shown in the figure), and every feed opening all disposes door 64. The blanking plates 63 are obliquely arranged, the upper ends of the blanking plates 63 are only connected with a blanking port in an overlap mode, the lower ends of the blanking plates 63 only extend to the upper side of one screen 3, and the blanking plates 63 are arranged above each screen 3;

it is understood that the blanking plates 63 are identical in number to the screens 3, and the blanking plates 63 are arranged in one-to-one correspondence with the screens 3. Flitch 63 accepts the material of unloading from the feed opening down to on leading the material to screen cloth 3 through the mode of slope, make every screen cloth 3 homoenergetic obtain the material supply, thereby sieve simultaneously, improve screening efficiency and production efficiency.

Still include material collecting device 7, material collecting device 7 includes material collecting support 71 of fixed mounting in frame 1 and installs a plurality of receipts flitch 72 on receiving material support 71, and material collecting plate 72 also is the slope setting, receives the exclusive below of accepting at a screen cloth 3 of flitch 72, the lower extreme extends to the screen cloth 3 outside so that the material of container splendid attire through the screening. A material receiving plate 72 is arranged below each screen 3, and it can be understood that the material receiving plates 72 are the same in number as the screen 3, and the material receiving plates 72 are arranged in one-to-one correspondence with the screen 3, so that the material screened by each screen 3 can be led out through one obliquely arranged material receiving plate 72;

the three blanking plates 63, the three screens 3 and the three material receiving plates 72 are distributed in a staggered manner, and the uppermost blanking plate 63 is positioned to ensure that each screen 3 can obtain a feeding of one blanking plate 63 without obstruction, and one material receiving plate 72 receives materials.

It will be appreciated that as the screening operation continues, more material is left on the screen 3, since the material does not pass entirely through the screen 3, but remains partially. Therefore, in order to prevent the adverse effect of the part of materials on the screening operation, in the embodiment, the screen 3 is provided with the frame 31 and the screen body 32 installed in the frame 31, and meanwhile, the vertically arranged coaming 33 is installed on the frame 31, and a space with an open top is enclosed by the coaming 33, so that the materials can be prevented from splashing in the screening process, and the materials which cannot pass through the screen body 32 can be temporarily collected to be cleaned by manpower at a timing.

When the material discharging device is used, materials are loaded into the discharging hopper 62 in advance, the bin door 64 is opened, the materials flow out of the discharging opening and slide onto the three screens 3 along the three obliquely arranged discharging plates 63; then the motor 41 is started, the motor 41 drives the flywheel 51 to rotate through the speed reducer 42, the flywheel 51 drives the swing rod 2 to swing back and forth through the connecting rod 52, so that the materials on the screen 3 penetrate through the screen 3 under the swing action, and then fall onto the material receiving plates 72 below respectively, and the materials are received by the material receiving plates 72

In another embodiment, in order to make the blanking plate 63 more uniformly spread the material on the screen 3 to improve the screening efficiency, a plurality of partition plates 65 are installed on the blanking plate 63 and arranged in parallel along the blanking direction, two adjacent partition plates 65 form a horn-shaped blanking channel, the small ends of the horn-shaped blanking channels on the same blanking plate 63 are all received at a corresponding blanking opening, and the lower ends of the horn-shaped blanking channels on the same blanking plate 63 are sequentially distributed above a corresponding screen 3 along the above-mentioned swinging direction.

In one embodiment, a receiving hopper 73 is further provided, the receiving hopper 73 is fixedly installed on the frame 1, and the lower ends of the plurality (three) of receiving plates 72 are all located above the receiving hopper 73.

In another embodiment, the requirement of different types of materials on screening can be met by adjusting the swing amplitude of the swing unit. The flywheel 51 is provided with a radially sliding adjusting slide 8 in sliding connection, for example, a radial sliding groove 81 extending in the radial direction is provided on the end face of the flywheel 51, a radial slide block matched with the radial sliding groove 81 is mounted on the adjusting base 8, and the cross section of the radial sliding groove is provided in a V shape, a T shape or a dovetail shape in order to prevent falling off. At the same time, the adjusting carriage 8 can be locked relative to the flywheel 51 by means of a locking mechanism 9. The arrangement is such that the connecting rod 52 has a different stroke when the adjusting carriage 8 is locked tightly at different positions in the radial direction of the flywheel 51, so that the amplitude of the oscillation of the rocking beam 2 is varied.

Specifically, the locking structure 9 may include a pin hole disposed on the adjusting slide 8, a positioning pin 91 located in the pin hole, and a plurality of positioning holes 92 disposed on the flywheel 51 (specifically, disposed in the sliding slot) and adapted to the positioning pin 91, and the plurality of positioning holes 92 are sequentially spaced along the sliding direction of the adjusting slide 8, as shown in fig. 4. When the position of the adjusting slide 8 needs to be changed, the locking and positioning of the adjusting base 8 at the other position can be realized only by first removing the positioning pin 91, moving the adjusting base 8 to align the pin hole on the adjusting base with the positioning hole 92 at the other position, and then installing the positioning pin 91.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.

Claims

1. A screening equipment for agricultural product processing, which is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

a frame;

2. A screening apparatus for agricultural product processing according to claim 1, wherein: install a plurality of baffles that arrange side by side along the unloading direction on the flitch down, adjacent two the baffle constitutes a loudspeaker form unloading passageway, and is a plurality of the tip of loudspeaker form unloading passageway bears and connects one feed opening department, it is a plurality of the lower extreme of loudspeaker form unloading passageway is followed the swing direction distributes in proper order one the top of screen cloth.

3. A screening apparatus for agricultural product processing according to claim 1, wherein: the material receiving plate is fixedly arranged on the rack, and the lower ends of the material receiving plates are arranged above the material receiving hopper.

4. A screening apparatus for agricultural product processing according to any one of claims 1 to 3, wherein: the flywheel is connected with a radial sliding adjusting sliding seat in a sliding mode, and the adjusting sliding seat can be locked relative to the flywheel through a locking structure.

5. A screening apparatus for agricultural product processing according to claim 4, wherein: the locking structure comprises a pin hole arranged on the adjusting sliding seat, a positioning pin arranged in the pin hole and a plurality of positioning holes which are arranged on the flywheel and matched with the positioning pin, and the plurality of positioning holes are sequentially distributed at intervals along the sliding direction of the adjusting sliding seat.