CN111389707A

CN111389707A - Australia nut size automatic screening device

Info

Publication number: CN111389707A
Application number: CN202010198933.1A
Authority: CN
Inventors: 段文峰; 张志海
Original assignee: Yuanjiang Zhanghai Fruit Plant Co ltd
Current assignee: Yuanjiang Zhanghai Fruit Plant Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-07-10

Abstract

The invention discloses an automatic screening device for macadimia nuts, which belongs to a nut screening device and comprises a screening barrel, wherein a feeding hole is formed in the upper part of the screening barrel, a transverse screen is arranged in the screening barrel, the screen comprises a first screen, a second screen and a third screen, screening spaces are formed among the first screen, the second screen and the third screen, screening spaces are formed between the third screen and the inner bottom of the screening barrel, a discharging hole is formed in one side of each screening space, and a baffle plate is movably mounted on each discharging hole; through establishing the screen cloth of multilayer sieve mesh size difference in the screening barrel for the macadamia nut that gets into by the feed inlet can sieve according to the sieve mesh of equidimension in proper order, and the ejection of compact in the macadamia nut of equidimension is respectively from respective screening space, and is assisted by stirring vane at the in-process of screening, further promotes the efficiency of screening, thereby can be quick classify the macadamia nut that mixes together according to the size.

Description

Australia nut size automatic screening device

Technical Field

The invention relates to a nut screening device, in particular to an automatic macadimia nut screening device.

Background

Macadamia nut element shares the reputation of "the king of dried fruit", also known as macadamia nut, macadamia nut. The distribution areas are eastern Australia, New Carlidonia, Suravisia Indonesian. And the macadamia nut still has very high nutritive value and medicinal value, in the process of macadamia nut planting and production, need not to filter it, in order to guarantee the uniformity of its finished product size, filter impurity wherein simultaneously, be convenient for promote the quality of nut and realize the production of different grades, it generally adopts the manual work to select separately at present in the screening process mostly, not only inefficiency and consume a large amount of manual works, also adopt simple screening machine to select separately, but this type of machinery is single, still need artifical supplementary, the comprehensive operating efficiency does not improve too much for manual work selects separately, therefore need to do further improvement to the structure of aforementioned screening plant of macadamia nut.

Disclosure of Invention

One of the objectives of the present invention is to provide an automatic screening device for macadimia nuts, aiming to solve the technical problems of low efficiency, excessive labor consumption, single structure of conventional screening machine, low comprehensive efficiency due to low automation degree, etc. in the prior art, the device is used for screening macadimia nuts manually.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention provides an automatic screening device for macadimia nuts, which comprises a screening barrel, wherein a feeding hole is formed in the upper part of the screening barrel, a transverse screen is arranged in the screening barrel, the screen comprises a first screen, a second screen and a third screen, screening spaces are formed among the first screen, the second screen and the third screen, screening spaces are formed between the third screen and the inner bottom of the screening barrel, a discharging hole is formed in one side of each screening space, and a baffle plate is movably mounted on each discharging hole; the first screen, the second screen and the third screen are all in an inclined shape, the sieve pore of the first screen is larger than that of the second screen, and the sieve pore of the second screen is larger than that of the third screen; the interior of the screening cylinder body is also provided with a stirring shaft, the stirring shaft penetrates through each screening space, the stirring shaft is also provided with a plurality of stirring blades, and each stirring blade is respectively arranged in each screening space; the stirring shaft is also in power connection with the output end of the stirring speed reducing motor and is used for driving the stirring blades to rotate in each screening space through the stirring shaft by the stirring speed reducing motor.

Preferably, the further technical scheme is as follows: the upper portion of screening barrel still installs feed hopper, feed hopper's discharge gate is arranged in the top of first screen cloth.

The further technical scheme is as follows: the bottom of first screen cloth, second screen cloth, third screen cloth and screening barrel all inclines towards same one side, just the striker plate is all arranged in on the outer wall of the screening barrel of four slopes one side, be equipped with on the screening barrel with the spout that the striker plate corresponds, the striker plate is installed the inside of spout.

The further technical scheme is as follows: the striker plates are respectively provided with an opening and closing motor, and are in power connection with the opening and closing motors and used for driving the striker plates to open and close on the discharge hole by the opening and closing motors; and the discharge ports are also provided with guide chutes which are communicated with respective screening spaces.

The further technical scheme is as follows: the device still include vibrating motor, the lower part of screening barrel rocks the spring through many and is connected with vibrating motor power, vibrating motor all installs on the support with the screening barrel, be equipped with the vibration buffer frame on the support, the vibration buffer frame is connected with the screening barrel.

The further technical scheme is as follows: the device also comprises a dust suction device which is communicated with the inner cavity of the screening cylinder body through a pipeline.

The further technical scheme is as follows: the screening cylinder body is in a circular tubular body in overall shape.

The further technical scheme is as follows: the device also comprises a programmable logic controller, wherein the programmable logic controller is respectively connected with the stirring speed reducing motor, the opening and closing motor, the vibrating motor and the dust collection device and is used for controlling the starting, the stopping and the output power of the stirring speed reducing motor, the opening and closing motor, the vibrating motor and the dust collection device according to a preset program.

Compared with the prior art, the invention has the following beneficial effects: through establishing the different screen cloth of multilayer sieve mesh size in the screening barrel, make the macadamia nut that gets into by the feed inlet sieve in proper order according to the sieve mesh of equidimension, the ejection of compact from respective screening space is respectively followed to the macadamia nut of equidimension, and it is supplementary by stirring vane in the in-process of screening, further promote the efficiency of screening, thereby can be fast classify the macadamia nut that mixes together according to size, and four screening spaces can satisfy the screening of the mixed macadamia nut of all kinds of specifications, effectively promote separation efficiency, and need not the manual work in screening operation in-process and assist, simultaneously the size automatic screening installation of the macadamia nut that the invention provided simple structure, be suitable for installing in all kinds of places and use, also can be used for other nut screening operations of the same kind, the range of application is.

Drawings

FIG. 1 is a schematic structural diagram for illustrating one embodiment of the present invention;

FIG. 2 is a schematic structural diagram for explaining another embodiment of the present invention;

FIG. 3 is a schematic structural diagram for explaining still another embodiment of the present invention;

in the figure, 1 is a screening cylinder, 2 is a feeding hole, 3 is a first screen, 4 is a second screen, 5 is a third screen, 6 is a baffle plate, 7 is a stirring shaft, 8 is a stirring blade, 9 is a stirring speed reducing motor, 10 is a feeding hopper, 11 is a guide chute, 12 is a vibrating motor, 13 is a shaking spring, 14 is a support, 15 is a vibration buffer frame, 16 is a dust suction device, and 17 is a pipeline.

Detailed Description

The invention is further elucidated with reference to the drawing.

Referring to fig. 1, an automatic screening apparatus for macadamia nuts according to an embodiment of the present invention includes a screening cylinder 1, the screening cylinder 1 is preferably designed to be a circular tubular body, a feeding port 2 is disposed at an upper portion of the screening cylinder 1, and a transverse screen is disposed inside the screening cylinder 1, as shown in fig. 1, the screen is divided into three layers, namely, a first screen 3, a second screen 4 and a third screen 5, and there is a gap between the three layers of screens 3, so that the first screen 3, the second screen 4 and the third screen 5 form a screening space therebetween, which facilitates macadamia nuts stacking, and based on the above-mentioned unified concept, the third screen 5 also has a gap with the bottom of the screening cylinder 1, i.e., there is a screening space therebetween, corresponding to the above-mentioned screening space structure, and a discharge port is disposed at one side of each screening space, a material baffle 6 is movably arranged on the discharge hole; the materials in each screening space can be discharged independently through the respective discharge port, and the discharge port is temporarily blocked by the material blocking plate 6 in a normal state; more importantly, in order to facilitate the materials in the screening space to be smoothly discharged from the screening area, the transverse first screen 3, the transverse second screen 4 and the transverse third screen 5 are all arranged to be inclined as shown in fig. 1, the discharge port is arranged at one end of the screen 5 which is inclined downwards, meanwhile, in order to ensure that the screening device can simultaneously screen macadamia nuts with different specifications, the sieve holes of the first screen 3 can be designed to be larger than those of the second screen 4, and then the sieve holes of the second screen 4 are designed to be larger than those of the third screen 5; in addition, in order to improve the screening efficiency of the screen for the materials, a stirring blade 8 can be additionally arranged in each screening area, the stirring blades 8 drive the materials to move in the stirring process, so that the screening efficiency of the materials is improved, and the simple and convenient way for realizing the functions is to directly install a stirring shaft 7 in the screening cylinder 1, enable the stirring shaft 7 to penetrate through each screening space, then install a plurality of stirring blades 8 on the stirring shaft 7, and enable each stirring blade 8 to be respectively arranged in each screening space; then the stirring shaft 7 is in power connection with the output end of the stirring speed reducing motor 9, the connection mode is connected with a mode of using gear engagement and matching with bearing rotation, and power steering of 90 degrees is carried out after the power connection is carried out between the stirring shaft 7 and the stirring speed reducing motor 9, so that the stirring speed reducing motor 9 can drive a plurality of stirring blades 8 to rotate in each screening space through the stirring shaft 7.

In this embodiment, through establishing the different screen cloth of multilayer sieve mesh size in screening barrel 1, make the macadamia nut that gets into by feed inlet 2 can sieve according to the sieve mesh of equidimension not in proper order, the ejection of compact in the macadamia nut of equidimension is respectively followed respective screening space, and it is supplementary by stirring vane 8 at the in-process of screening, further promote the efficiency of screening, thereby can be quick classify the macadamia nut that mixes together according to size, and four screening spaces can satisfy the macadamia nut screening that all kinds of specifications mix, effectively promote sorting efficiency, and need not the manual work at screening operation in-process and assist.

Further, as shown in fig. 1, the preferred technical means of the above embodiment has two, wherein an improvement is that a feeding funnel 10 is further installed on the upper portion of the screening cylinder 1, and the discharge port of the feeding funnel 10 is placed above the first screen 3, and the feeding funnel 10 can function as an aggregate to facilitate the material addition; the other improvement is that the bottoms of the first screen mesh 3, the second screen mesh 4, the third screen mesh 5 and the screening cylinder 1 are all inclined towards the same side, the material baffle 6 is arranged on the outer wall of the screening cylinder 1 on one inclined side of the four screen meshes, a sliding groove corresponding to the material baffle 6 is arranged on the screening cylinder 1, and the material baffle 6 is arranged in the sliding groove, so that the material baffle 6 is convenient to open and close; furthermore, the striker plates 6 can be respectively provided with respective opening and closing motors, the striker plates 6 are in power connection with the opening and closing motors, and the power connection mode can select a slide block, a lead screw or other structures capable of converting the torque of the motors into linear motion, so that the opening and closing motors can drive the striker plates 6 to open and close on the discharge hole; meanwhile, the material guide grooves 11 can be arranged on the material outlet, and the material guide grooves 11 are communicated with respective screening spaces, so that the material receiving after screening is facilitated.

Referring to fig. 2, in a more preferred embodiment of the present invention for solving the technical problems, in order to further improve the screening efficiency of the screen for the material, based on the structure of the apparatus in the above embodiment, a vibration motor 12 is additionally provided in the apparatus with the above structure, the whole screening cylinder 1 is in power connection with the vibration motor 12, specifically, the lower part of the screening cylinder 1 is in power connection with the vibration motor 12 through a plurality of shaking springs 13, the vibration motor 12 and the screening cylinder 1 are both mounted on a support 14, a vibration buffer frame 15 is provided on the support 14, and the vibration buffer frame 15 is connected with the screening cylinder 1.

Referring to fig. 3, based on the structure of the apparatus of the above embodiment, in another embodiment of the present invention, in order to avoid generating excessive dust and impurities during the screening process and to avoid affecting the quality of the final product discharged thereby, a dust suction device 16 may be further added to the apparatus, the dust suction device 16 needs to be communicated with the inner cavity of the screening cylinder 1 through a pipe 17, that is, the dust and impurities in the inner cavity of the screening cylinder 1 are sucked into a dust hood carried by the dust suction device 16 by using negative pressure, and the structure of the dust suction device 16 itself will not be described in detail herein because there are many types of such dust cleaners in the market but their functions are substantially identical. Further, for the automation function of the lifting device, an operation mode of automation control is introduced in this embodiment, that is, each power device used in the above-mentioned method is connected to one control unit, and the control unit may select a general control device on the market, such as a programmable logic controller, and the programmable logic controller is connected to the stirring and decelerating motor 9, the opening and closing motor, the vibrating motor 12 and the dust collector 16, and then according to the characteristics of the screening process, the programmable logic controller can control the starting and stopping and the output power of the stirring and decelerating motor 9, the opening and closing motor, the vibrating motor 12 and the dust collector 16 according to a preset program.

Referring to fig. 3, in practical use, in a shutdown state, a large amount of macadamia nuts to be screened are fed from the feeding port of the screening cylinder 1 through the feeding hopper 10, then the stirring deceleration motor 9 and the vibration motor 12 are started, the material is accelerated to pass through the first screen 3 through the rotation of the vibration and stirring blade 8, the second screen 4 and the third screen are accelerated through the rotation of the vibration and stirring blade 8 based on the same principle, because the screen holes of the screens are the same, the materials with different sizes can be left in different screening areas of the screening cylinder 1, during which the dust is inevitably generated, the dust and impurities are sucked out from the inner cavity of the screening cylinder 1 by the dust suction device 16 to reduce the content of the impurities in the screened materials, and then the respective discharge ports in the screening spaces are respectively opened to discharge the materials to the next process, such as cleaning or deep processing; in addition, in the process of the screening operation, materials can be continuously added into the screening cylinder body 1 through the feeding hopper 10 when the equipment runs, namely the functions of feeding, screening, discharging and dust collection can be carried out circularly and even in a superposed mode, and the operation efficiency of macadamia nut screening is effectively improved.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a macadimia nut size autofilter device, includes screening barrel (1), the upper portion of screening barrel (1) is equipped with feed inlet (2), just the inside of screening barrel (1) is equipped with horizontal screen cloth, its characterized in that: the screen comprises a first screen (3), a second screen (4) and a third screen (5), screening spaces are arranged among the first screen (3), the second screen (4) and the third screen (5), the screening spaces are also arranged between the third screen (5) and the inner bottom of the screening barrel (1), a discharge hole is formed in one side of each screening space, and a material baffle (6) is movably mounted on each discharge hole;

the first screen (3), the second screen (4) and the third screen (5) are all in an inclined shape, the sieve pores of the first screen (3) are larger than those of the second screen (4), and the sieve pores of the second screen (4) are larger than those of the third screen (5);

the interior of the screening cylinder body (1) is also provided with a stirring shaft (7), the stirring shaft (7) penetrates through each screening space, the stirring shaft (7) is also provided with a plurality of stirring blades (8), and each stirring blade (8) is respectively arranged in each screening space; the stirring shaft (7) is also in power connection with the output end of the stirring speed reducing motor (9) and is used for driving the stirring blades (8) to rotate in each screening space through the stirring shaft (7) by the stirring speed reducing motor (9).

2. The automated macadamia nut size screening device of claim 1, wherein: the upper portion of screening barrel (1) still installs feed hopper (10), the discharge gate of feed hopper (10) is arranged in the top of first screen cloth (3).

3. The automated macadamia nut size screening device of claim 1, wherein: the bottom of first screen cloth (3), second screen cloth (4), third screen cloth (5) and screening barrel (1) all inclines towards same one side, just striker plate (6) all are arranged in on the outer wall of screening barrel (1) of four slope one sides, be equipped with on screening barrel (1) with the spout that striker plate (6) correspond, striker plate (6) are installed the inside of spout.

4. The automated macadamia nut size screening device according to claim 1 or 2, wherein: the striker plates (6) are respectively provided with an opening and closing motor, and the striker plates (6) are in power connection with the opening and closing motors and are used for driving the striker plates (6) to open and close on the discharge hole by the opening and closing motors; and the discharge ports are also provided with guide chutes (11), and the guide chutes (11) are communicated with respective screening spaces.

5. The automated macadamia nut size screening device of claim 1, wherein: the device still include vibrating motor (12), the lower part of screening barrel (1) rocks spring (13) through many and is connected with vibrating motor (12) power, vibrating motor (12) all install on support (14) with screening barrel (1), be equipped with vibration buffer frame (15) on support (14), vibration buffer frame (15) are connected with screening barrel (1).

6. The automated macadamia nut size screening device according to claim 1 or 5, wherein: the device also comprises a dust suction device (16), wherein the dust suction device (16) is communicated with the inner cavity of the screening cylinder body (1) through a pipeline (17).

7. The automated macadamia nut size screening device of claim 1, wherein: the screening cylinder (1) is in a circular tubular body in overall shape.

8. The automated macadamia nut size screening device of claim 1, wherein: the device also comprises a programmable logic controller, wherein the programmable logic controller is respectively connected with the stirring speed reducing motor (9), the opening and closing motor, the vibrating motor (12) and the dust suction device (16) and is used for controlling the starting, the stopping and the power output of the stirring speed reducing motor (9), the opening and closing motor, the vibrating motor (12) and the dust suction device (16) according to a preset program.