CN114308646A - Rice grading and selecting machine - Google Patents
Rice grading and selecting machine Download PDFInfo
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- CN114308646A CN114308646A CN202111375614.4A CN202111375614A CN114308646A CN 114308646 A CN114308646 A CN 114308646A CN 202111375614 A CN202111375614 A CN 202111375614A CN 114308646 A CN114308646 A CN 114308646A
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Abstract
The invention belongs to the technical field of rice processing equipment, and provides a rice grading and sorting machine which comprises a rack and a sorting box arranged on the rack; a plurality of inclined selection plates are fixed in the selection box, the selection plates are vertically arranged along the selection box, two adjacent selection plates are arranged in a V shape, a plurality of selection holes are formed in the selection plates, one side of each selection plate is rotatably connected with the selection box, and a swing mechanism mounted on a rack is arranged on the other side of each selection plate and drives the selection plates to swing; the sorting box is detachably connected with a sorting box which is positioned below the sorting holes and communicated with the sorting holes, and a sorting plate with a plurality of sorting holes is fixed in the sorting box. The rice grading and screening device is simple in structure, and synchronous grading and screening are performed on the rice through the grading plate and the sorting box, so that the rice meets the grading requirement, and the grading and grading efficiency of the rice is improved.
Description
Technical Field
The invention belongs to the technical field of rice processing equipment, and particularly relates to a rice grading and selecting machine.
Background
The production process of the rice processing and producing enterprise comprises the steps of raw material purchasing, screening, stone removing, magnetic separation, rice husking, grain and brown separation, rice milling, color selection, polishing and finished product packaging, impurities can be removed through the series of steps, screening of rice can be completed, and rice with different grades can be graded, so that the production and commercial requirements are met.
For example, Chinese patent publication numbers are: CN 213700800U discloses a rice grading choice device, including selecting separately chamber and choice chamber, it has the feed inlet to select separately the welding of chamber top, and the feed inlet has seted up two, it has the casing to select separately on the chamber left side wall, and the inside central point of casing puts the welding air-blower, it has seted up flutedly on the chamber left side inner wall to select separately, and the inside bull stick that has cup jointed of recess, the bull stick runs through selects separately the chamber right side wall, and the bull stick right-hand member cup joints the conveyer belt top, the welding has a plurality of blades on the bull stick, driving motor has been seted up to conveyer belt bottom inboard, and the driving motor output cup joints conveyer belt bottom, it has this rice grading choice device of support to select separately all to weld in chamber four corners to be provided with the air-blower, can clear away impurity discharge to the outside, the filter screen filters rice in addition, the motor drives the filter frame rotation simultaneously and can select separately the rice, the slide can guarantee that the rice discharges smoothly, the practicality is good.
However, in the prior art, the rice is stirred by the blades, so that the rice is easily broken, and the quality of rice selection is reduced.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provides a rice grading and selecting machine for grading and selecting rice.
In order to achieve the purpose, the invention adopts the following technical scheme: a rice grading and selecting machine comprises a rack and a selecting box arranged on the rack;
a plurality of inclined selection plates are fixed in the selection box, the selection plates are vertically arranged along the selection box, two adjacent selection plates are arranged in a V shape, a plurality of selection holes are formed in the selection plates, one side of each selection plate is rotatably connected with the selection box, and a swing mechanism mounted on a rack is arranged on the other side of each selection plate and drives the selection plates to swing;
the sorting box is detachably connected with a sorting box which is positioned below the sorting holes and communicated with the sorting holes, and a sorting plate with a plurality of sorting holes is fixed in the sorting box.
The principle and the effect of the technical scheme are as follows: (1) in this scheme, send into the rice to choice incasement and drop to choice board on, swing mechanism drives choice board swing to make the rice dispersion on the choice board, the rice carries out the choice through choice hole, and the great rice of particle diameter drops to the choice board of lower floor on, is chosen once more, improves the choice quality of rice, compares with prior art, through the mode of swing screening, reduces the probability with the rice is broken.
(2) In this scheme, the rice that gets into to the separation box from choice hole further selects separately through the separation hole of separation plate, and the great rice of particle diameter is stayed on the separation plate, and the less rice of particle diameter drops to the below of separation plate, so carries out multistage separation to the rice.
(3) In this scheme, at choice board swing in-process, also can drive the sorting box swing, so make the rice swing on the sorting board, so not only the difficult jam in choice hole, the difficult jam in sorting hole also, great improvement separation efficiency.
In a preferred embodiment of the invention, the swing mechanism comprises a driving member, a connecting plate and a cam, an output shaft of the driving member is coaxially and fixedly connected with the cam, a groove is formed in the connecting plate, the cam is positioned in the groove and abuts against the connecting plate, the connecting plate is connected with the selection plate, and elastic members are arranged on the upper portion and the lower portion of the connecting plate.
Has the advantages that: in this scheme, the driving piece drives the cam and rotates, and when the cam offseted with the upper portion of connecting plate, the connecting plate drives choice board rebound, and when the cam offseted with the lower part of connecting plate, the connecting plate drove choice board rebound, again because one side and the choice case of choice board rotate to be connected, so make choice board swing, through wobbling mode cooperation elastic component to make choice board produce certain vibration, improve the choice efficiency of rice.
In a preferred embodiment of the invention, the conveying pipes are communicated between adjacent sorting boxes.
Has the advantages that: the rice in the first separation box enters into next separation box through the conveyer pipe, separates through separation plate and separation hole again, increases the sorting frequency of rice, improves sorting quality.
In a preferred embodiment of the invention, a feed hood is fixedly connected to the classifying box.
Has the advantages that: through feeding cover with rice drainage to choice incasement, reduce the rice and drop to the outside probability of choice case.
In a preferred embodiment of the invention, a baffle is fixed to the refining plate, which is used to close the gap between the connecting plate and the refining box.
Has the advantages that: in this scheme, carry out the shutoff through the baffle in order to carry out the clearance between connecting plate and the choice case to avoid the rice to enter into to the clearance in, reduce the waste of rice.
In another preferred embodiment of the invention, T-shaped blocks are fixed on two sides of the selection box, T-shaped grooves are formed in the selection plate, and the sorting box is detachably connected with the selection plate through the T-shaped grooves and the T-shaped blocks.
Has the advantages that: when installing the separation box to choice board, the separation box stretches into to T type inslot through T type piece, so can dismantle the connection with the separation box on choice board, is convenient for the separation box installation with this kind of mode on the one hand, and on the other hand is convenient for take off the separation box, and then takes out the rice in the separation box.
In another preferred embodiment of the invention, the air purifier further comprises a flow blocking system, wherein the flow blocking system comprises an air pump and a pipeline communicated with the air pump, and an air outlet of the pipeline faces to the lower end of the selection plate.
Has the advantages that: in this scheme, the air pump sends into gas to the pipeline in, in order to carry out the choked flow to the rice under gaseous effect for the flow velocity of rice reduces, can guarantee the dwell time of rice on choice board, guarantees that the rice obtains abundant choice work.
In another preferred embodiment of the invention, a filter layer is fixed in the duct.
Has the advantages that: in this scheme, utilize the filter layer in order to avoid the rice to drop to the pipeline.
In another preferred embodiment of the invention, the diameter of the pick holes is greater than the diameter of the sort holes.
Has the advantages that: since the diameter of the sorting holes is larger than that of the sorting holes, the rice with larger particle size is left on the sorting plate.
In another preferred embodiment of the invention, the bottom of the screening box is inclined.
Has the advantages that: the rice after being sorted passes through the inclined surface so as to enter the next sorting box through the conveying pipe.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an isometric view of a rice grading and beneficiating machine in accordance with a first embodiment of the present application.
Fig. 2 is a front view of a rice grading and selecting machine in accordance with a first embodiment of the present application.
Fig. 3 is a side view of a rice grading concentrator in accordance with a first embodiment of the present application.
Fig. 4 is an enlarged view of a portion a of fig. 3.
Fig. 5 is a side view of a rice grading concentrator in accordance with example two of the present application.
Reference numerals in the drawings of the specification include: the device comprises a fine selection box 11, a box outlet 111, a rotating shaft 112, a second fine selection plate 113, a second fine selection hole 114, a conveying pipe 115, a separation box 116, a first fine selection plate 117, a T-shaped block 118, a feeding cover 12, a first fine selection hole 21, a spring 22, a connecting plate 23, a cam 24, a motor 25, a baffle plate 26, a separation hole 27, a separation plate 28, an air pump 31, an air pipe 32 and a filter layer 33.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
Example one
A rice grading and sorting machine is shown in figure 1, figure 2, figure 3 and figure 4, and comprises a frame and a sorting box 11 fixed on the frame through bolts, wherein the upper part of the sorting box 11 is provided with an opening, a feeding cover 12 is fixed on the opening through bolts, and the feeding cover 12 is arranged in an inverted conical shape.
The fine screening box 11 is internally provided with a plurality of inclined fine screening plates which are uniformly distributed along the vertical direction of the fine screening box 11, in the embodiment, the number of the fine screening plates is two, namely a first fine screening plate 117 and a second fine screening plate 113, the first fine screening plate 117 and the second fine screening plate 113 are arranged in a V shape, the first fine screening plate 117 is provided with a first fine screening hole 21, and the second fine screening plate 113 is provided with a second fine screening hole 114. The rotating shaft 112 is fixed on one side of the first selection plate 117 and the second selection plate 113, the rotating shaft 112 is rotatably connected with the selection box 11, and the other side of the first selection plate 117 and the second selection plate 113 is provided with a swing mechanism.
The swing mechanism in this embodiment includes a driving member, a cam 24 and a connecting plate 23, the driving member is a motor 25, the motor 25 is bolted to a frame (the frame is not shown in the figure), an output shaft of the motor 25 is fixed to the cam 24 by coaxial screws, the connecting plate 23 is U-shaped, two sides of the connecting plate 23 are respectively connected to a first selection plate 117 and a second selection plate 113 by screws, the upper part and the lower part of two sides of the connecting plate 23 are both provided with an elastic member, the elastic member is a spring 22, one end of the spring 22 is fixed to the selection box 11, and the other end of the spring 22 is fixed to the connecting plate 23. In this embodiment, the connecting plate 23 is provided with a groove, the cam 24 is located in the groove, and the convex part of the cam 24 abuts against the connecting plate 23. The baffle 26 is fixed on the first selection plate 117 and the second selection plate 113, and the baffle 26 is used for blocking the gap between the connecting plate 23 and the selection box 11.
In this embodiment, the lower portions of the first selection plate 117 and the second selection plate 113 are both provided with a separation box 116 with an upper opening, the separation box 116 is communicated with the first separation hole 27 or the second separation hole 27, T-shaped blocks 118 are fixed on both sides of the separation box 116 by screws, T-shaped grooves which are in sliding fit with the T-shaped blocks 118 are formed on the first selection plate 117 and the second selection plate 113, that is, the first selection plate 117 or the second selection plate 113 is detachably connected with the separation box 116 through the T-shaped blocks 118 and the T-shaped grooves. All fix with the sorting board 28 in the sorting box 116 by screw, it has a plurality of to select separately the hole 27 to open on the sorting board 28, and the bottom of sorting box 116 all is provided with the inclined plane, and the intercommunication has the conveyer pipe 115 of being made by elastic material between two adjacent sorting boxes 116, and the both ends of conveyer pipe 115 are fixed respectively on first choice board 117 and second choice board 113. In this embodiment, the first pick holes 21 and the second pick holes 114 have the same diameter, and the first pick holes 21 and the second pick holes 114 each have a diameter larger than the diameter of the sorting holes 27.
In this embodiment, a discharge port located on the selection box 11 is provided at one side of the lower end of the second selection plate 113, and a box outlet 111 located at one side of the sorting box 116 is provided on the side wall of the selection box 11.
The specific implementation process is as follows:
as shown in FIG. 2, rice is put into the cull box 11 through the inlet hood 12 and stays on the first cull plate 117, the motor 25 is started, the motor 25 rotates the cam 24, the connecting plate 23 synchronously moves the first cull plate 117 and the second cull plate 113 upward when the convex portion of the cam 24 abuts against the upper portion of the connecting plate 23, and the connecting plate 23 synchronously moves the first cull plate 117 and the second cull plate 113 downward when the convex portion of the cam 24 abuts against the lower portion of the connecting plate 23, so that the first cull plate 117 and the second cull plate 113 are swung since the other sides of the first cull plate 117 and the second cull plate 113 are rotatably engaged with the cull box 11.
Taking the first sifting plate 117 as an example, when the first sifting plate 117 swings, the rice on the first sifting plate 117 swings on the first sifting plate 117, so that the rice is scattered, the scattered rice is graded through the first sifting holes 21, the larger rice stays on the first sifting plate 117 and gradually drops toward the second sifting plate 113, and the smaller rice drops into the sorting box 116 through the first sifting holes 21. The rice dropped to the second sifting plate 113 is dropped into the sorting box 116 in the same manner as above, so that the rice is sifted at least twice, and is sent out of the sifting box 11 through the discharge port. In this embodiment, the rice discharged from the discharge ports on the first and second sifting plates 117 and 113 is the rice of the most optimal grade.
In this embodiment, in order to further carry out the choice to the rice, the rice that drops to in the sorting box 116 is selected through sorting plate 28 and sorting hole 27, and the minimum rice of particle diameter drops to the bottom of sorting box 116 through sorting hole 27, and so, the rice on the sorting plate 28 is suboptimum level rice, and the rice that drops to the bottom of sorting box 116 is rice of poor quality, and rice of poor quality enters into to next sorting box 116 through the conveying pipe in, screens again through the sorting plate 28 in next sorting box 116. After the screening is completed, the sorting box 116 is taken out from the box outlet 111 so that the operator can take out the rice of the suboptimal grade and the inferior grade.
In conclusion, in the embodiment, the optimal-grade rice is screened twice to improve the screening quality of the rice, and the suboptimal-grade rice is screened twice by the screening plate to improve the screening quality of the suboptimal-grade rice. During screening, the optimal-grade rice, the suboptimal-grade rice and the inferior-grade rice are synchronously screened, so that the quality of rice grading screening is greatly improved.
Example two
The difference between the second embodiment and the first embodiment is that, as shown in fig. 5, an air pump 31 is fixed to a bolt in the selecting box 11, the air pump 31 is communicated with an air pipe 32, the air pipe 32 penetrates through the second selecting plate 113, an air outlet of the air pipe 32 is located at the lower end of the first selecting plate, and a filter layer 33 is fixed in the air pipe 32, of course, there may be a plurality of air pipes 32, or may be located at the lower end of the second selecting plate 113.
In this embodiment, air pump 31 sends into gas to trachea 32 in, and gas blows to the rice on the first choice board 117, and gas has certain choked flow effect to the rice, prolongs the time of rice on first choice board 117 to a certain extent for the rice is fully selected, and of course, gas also can upwards blow the dust in the rice, makes rice and dust separate as far as possible, discharges the dust from feeding cover 12 under the gas effect, further improves the choice quality of rice.
In the description herein, reference to the description of the terms "preferred embodiment," "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The rice grading and selecting machine is characterized by comprising a rack and a selecting box arranged on the rack;
a plurality of inclined selection plates are fixed in the selection box, the selection plates are vertically arranged along the selection box, two adjacent selection plates are arranged in a V shape, a plurality of selection holes are formed in the selection plates, one side of each selection plate is rotatably connected with the selection box, and a swing mechanism mounted on a rack is arranged on the other side of each selection plate and drives the selection plates to swing;
the sorting box is detachably connected with a sorting box which is positioned below the sorting holes and communicated with the sorting holes, and a sorting plate with a plurality of sorting holes is fixed in the sorting box.
2. The rice grading concentrator of claim 1, wherein the swing mechanism comprises a driving member, a connecting plate and a cam, an output shaft of the driving member is coaxially and fixedly connected with the cam, the connecting plate is provided with a groove, the cam is positioned in the groove and abuts against the connecting plate, the connecting plate is connected with the concentrating plate, and the upper part and the lower part of the connecting plate are provided with elastic members.
3. The rice classifying and refining machine according to claim 2, wherein a duct is communicated between adjacent ones of the classifying boxes.
4. The rice grading concentrator of claim 3, wherein the concentrating box has a feed hood fixedly attached thereto.
5. The rice classifying and refining machine according to claim 4, wherein a baffle plate is fixed to the refining plate for closing a gap between the connection plate and the refining box.
6. The rice grading and selecting machine of claim 5, wherein T-shaped blocks are fixed on both sides of the selecting box, a T-shaped groove is formed on the selecting plate, and the sorting box is detachably connected with the selecting plate through the T-shaped groove and the T-shaped blocks.
7. The rice grading concentrator of claim 5, further comprising a flow blocking system comprising an air pump and a conduit in communication with the air pump, the conduit having an air outlet directed toward the lower end of the concentrating plate.
8. The rice classifying concentrator of claim 7, wherein a filter layer is fixed in the conduit.
9. The rice classifying concentrator of claim 8, wherein the diameter of the concentrating apertures is greater than the diameter of the classifying apertures.
10. The rice classifying concentrator of claim 9, wherein the bottom of the sifting box is inclined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111375614.4A CN114308646A (en) | 2021-11-19 | 2021-11-19 | Rice grading and selecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111375614.4A CN114308646A (en) | 2021-11-19 | 2021-11-19 | Rice grading and selecting machine |
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| Publication Number | Publication Date |
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| CN114308646A true CN114308646A (en) | 2022-04-12 |
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| CN202111375614.4A Pending CN114308646A (en) | 2021-11-19 | 2021-11-19 | Rice grading and selecting machine |
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Application publication date: 20220412 |
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