CN216779465U - Nut grading mechanism and grading system - Google Patents

Abstract

The utility model provides a nut grader, relates to the screening equipment field, includes: the device comprises a support frame, a first material guide plate, a second material guide plate and a spiral conveying shaft; the first material guide plate and the second material guide plate are arranged on the support frame, and a conveying channel for conveying nuts is formed between the first material guide plate and the second material guide plate; the spiral conveying shaft can be rotatably arranged on the supporting frame and is positioned in the conveying channel; a grading channel for nut falling is formed between the spiral conveying shaft and the first material guide plate and between the spiral conveying shaft and the second material guide plate respectively; the width of the grading passage increases progressively along the conveying direction of the spiral conveying shaft. It can realize under the prerequisite that lasts the feed, to the nut by the screening that lasts to the end, need not shift the nut to realize automatic hierarchical, improve work efficiency. The utility model provides a nut grading system, realizes based on the grader, and it can carry out automatic division and collection to the nut after grading at the in-process that carries out the nut to the adjustable scope of dividing is collected in order to realize accurately dividing.

Description

Nut grading mechanism and grading system

Technical Field

The utility model relates to the field of screening equipment, in particular to a nut grading mechanism and a grading system.

Background

At present, current screening equipment all adopts the form of screen cloth to sieve, realizes sieving the nut of equidimension not through the aperture of different screen cloths, but this kind of mode work efficiency is low, stays the nut on the screen cloth after the screening and will shift again, has undoubtedly caused the consumption of a large amount of labours' loss and time.

In view of this, the present application is specifically proposed.

SUMMERY OF THE UTILITY MODEL

The first purpose of the utility model is to provide a nut grading mechanism, which can continuously sieve nuts from big to small on the premise of continuous feeding without transferring the nuts, thereby realizing automatic grading and improving the working efficiency.

A second object of the present invention is to provide a nut classifying system which can automatically divide and collect classified nuts in the process of classifying the nuts, and can adjust the range of division to achieve accurate division and collection.

The embodiment of the utility model is realized by the following steps:

a nut staging mechanism comprising: the device comprises a support frame, a first material guide plate, a second material guide plate and a spiral conveying shaft; the first material guide plate and the second material guide plate are arranged on the support frame, and a conveying channel for conveying nuts is formed between the first material guide plate and the second material guide plate; the spiral conveying shaft is rotatably arranged on the supporting frame and is positioned in the conveying channel and used for conveying nuts in the conveying channel; a grading channel for nut falling is formed between the spiral conveying shaft and the first material guide plate and between the spiral conveying shaft and the second material guide plate respectively; the width of the grading channel increases progressively along the conveying direction of the spiral conveying shaft; so that nuts of different diameters can fall through the grading passage one by one.

Furthermore, one side of the first material guide plate, which is close to the ground, inclines towards one side of the second material guide plate; one side of the second material guide plate close to the ground inclines towards one side of the first material guide plate.

Furthermore, the central axis of the first material guide plate is parallel to the central axis of the second material guide plate; the diameter of the spiral conveying shaft decreases progressively along the direction of the central axis thereof; so that the width of the classifying channel increases in the conveying direction.

Furthermore, the spiral conveying shaft is of an equal shaft diameter, one ends of the first material guide plate and the second material guide plate are close to each other, the other ends of the first material guide plate and the second material guide plate are far away from each other, and extension lines of the axes of the first material guide plate and the second material guide plate are intersected with extension lines of the axes of the spiral conveying shaft; so that the width of the classifying channel increases in the conveying direction.

A nut grading system comprises a supporting frame and the grading mechanisms, wherein the grading mechanisms are arranged in the inner cavity of the supporting frame in parallel.

Furthermore, the grading system also comprises a dividing plate, and a plurality of dividing plates are arranged on the supporting frame at intervals along the axial direction of the conveying channel; and the axes of the dividing plates are vertical to the axes of the conveying channels, and an independent collecting space is formed between the adjacent dividing plates, so that nuts falling successively through the grading channels sequentially enter different collecting spaces.

Furthermore, the dividing plate comprises a first dividing plate and a second dividing plate which are connected with each other, and an included angle between the first dividing plate and the second dividing plate is an acute angle.

Further, the grading system further comprises a conveying mechanism for conveying the nuts in the plurality of collecting spaces;

the conveying mechanism comprises a base and a conveying belt, the supporting frame and the conveying belt are arranged on the base, the conveying belt is positioned below the supporting frame, and the conveying direction of the conveying belt is perpendicular to the conveying direction of the conveying channel;

the dividing plate divides the conveying belt into a plurality of conveying channels matched with the collecting spaces so as to convey nuts in the collecting spaces independently.

Further, the base is provided with a plurality of collection hoppers matched with the plurality of transport channels, and the collection hoppers are located at the tail ends of the transport channels and used for collecting nuts conveyed independently.

Further, the base is provided with a driving device for driving the screw conveying shaft and the conveying belt.

The embodiment of the utility model has the beneficial effects that:

the nut grading mechanism provided by the embodiment of the utility model can utilize the rotation of the spiral conveying shaft to drive the nuts in the conveying channel to move along the axial direction of the conveying channel, and the nuts with the diameters smaller than the position can fall through the grading channel due to the increasing width of the grading channel in the moving process, while the nuts with the diameters larger than the width of the grading channel at the position can continue to move along the conveying direction of the spiral conveying shaft until the nuts move to the position with the widths larger than the diameter of the grading channel, and the nuts can fall through the grading channel at the position.

Generally, the nut grading mechanism provided by the embodiment of the utility model can continuously sieve nuts from big to small on the premise of continuous feeding without transferring the nuts, so that automatic grading is realized, and the working efficiency is improved. The utility model provides a nut grading system is based on above-mentioned nut grader realizes, and it can carry out automatic division and collection to the nut after grading at the in-process that carries out the nut to adjustable range of dividing is collected in order to realize accurately dividing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a grading mechanism provided in an embodiment of the present invention;

FIG. 2 is a top view of a staging mechanism provided in accordance with an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a conveying channel of a grading mechanism provided in an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a hierarchical system according to an embodiment of the present invention;

FIG. 5 is a side view of a grading system provided by an embodiment of the present invention;

FIG. 6 is a top view of a grading system provided by an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a conveying mechanism of a grading system provided by an embodiment of the utility model;

fig. 8 is a schematic structural diagram of a dividing plate according to an embodiment of the present invention.

Icon: 100-a grading mechanism, 110-a support frame, 120-a first material guide plate, 130-a second material guide plate, 140-a spiral conveying shaft, 150-a conveying channel and 160-a grading channel;

200-grading system, 210-supporting frame, 220-dividing plate, 221-first dividing plate, 222-second dividing plate, 230-conveying mechanism, 231-base, 232-conveying belt, 240-conveying channel, 250-collecting hopper and 260-feeding hopper.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "parallel," "perpendicular," and the like do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-3, the present embodiment provides a nut grading mechanism 100, including: the supporting frame 110, the first material guide plate 120, the second material guide plate 130, the spiral conveying shaft 140, the conveying passage 150 and the grading passage 160;

the first material guiding plate 120 and the second material guiding plate 130 are arranged on the supporting frame 110, and a conveying channel 150 for conveying nuts is formed between the first material guiding plate 120 and the second material guiding plate 130; the spiral conveying shaft 140 is rotatably disposed on the supporting frame 110, and the spiral conveying shaft 140 is located in the conveying passage 150 and is used for conveying nuts in the conveying passage 150; a grading channel 160 for nut dropping is formed between the spiral conveying shaft 140 and the first material guide plate 120 and the second material guide plate 130 respectively; the width of the classifying channel 160 increases progressively in the conveying direction of the conveying screw 140; so that nuts of different diameters fall through the grading passage 160 one after another.

It should be noted that the spiral conveying shaft 140 includes a conveying shaft and a spiral blade axially disposed along the conveying shaft, so as to enable the material in the conveying channel 150 to move axially along the conveying channel 150, and such a conveying manner is conventional in the art and will not be described herein.

In addition, in the specific implementation process, when the spiral blade is selected, the spiral blade with a thicker thickness can be selected so as to avoid unnecessary damage to the nuts in the rotating conveying process.

It should be noted that the width of the grading channel 160 can be selected for practical use and adjusted for screening different types of nuts.

In addition, during the feeding process, the nuts are required to be fed from the narrower end of the classifying passage 160, and then classified successively during the transportation process.

Can utilize auger delivery axle 140 to rotate and drive the axial motion of nut along transfer passage 150 that is in transfer passage 150, in the in-process of motion because the width of hierarchical passageway 160 increases progressively, thereby the nut that the diameter is less than this position can drop through hierarchical passageway 160, and the nut that the diameter is greater than this position hierarchical passageway 160 width then can be along with auger delivery axle 140's direction of delivery continuation motion, until moving to the position that hierarchical passageway 160 width is greater than this nut diameter, this nut then can drop through the hierarchical passageway 160 of this position.

In general, the nut sorting mechanism 100 provided by the embodiment of the utility model can continuously screen nuts from large to small on the premise of continuous feeding, and the nuts do not need to be transferred, so that automatic sorting is realized, and the working efficiency is improved.

Further, in order to enable the conveying passage 150 to accommodate more nuts, in this embodiment, the side of the first material guiding plate 120 close to the ground is inclined toward the side of the second material guiding plate 130; the side of the second material guiding plate 130 close to the ground is inclined toward the side of the first material guiding plate 120. This kind of setting can make transfer passage 150's cross section be the trapezoidal that falls, can enough make transfer passage 150's volume further increase, can make the nut again on landing to the helical blade downwards under the effect of gravity to make the nut when moving to corresponding hierarchical passageway 160 department, drop that can be timely.

In addition, in order to ensure that the width of the classifying passage 160 is increased, two options are provided in the present embodiment, one of which is that the central axis of the first material guide plate 120 is arranged in parallel with the central axis of the second material guide plate 130; the diameter of the screw shaft 140 decreases in the direction of the central axis thereof; such that the width of the staging channel 160 increases in the direction of conveyance. Secondly, the spiral conveying shaft 140 has an equal axial diameter, one ends of the first material guide plate 120 and the second material guide plate 130 are close to each other, the other ends of the first material guide plate 120 and the second material guide plate 130 are far away from each other, and the extension lines of the axes of the first material guide plate 120 and the second material guide plate 130 are intersected with the extension line of the axis of the spiral conveying shaft 140; such that the width of the staging channel 160 increases in the direction of conveyance.

The above two modes, the final purpose of which is to make the width of the grading channel 160 increase along the conveying direction of the spiral conveying shaft 140, are only different modes, different embodiments can be selected according to different application scenarios in the process of concrete implementation, and the next two embodiments are within the protection scope of the present invention.

Referring to fig. 4-8, the present embodiment further provides a nut grading system 200, where the grading system 200 is implemented based on the grading mechanism 100, and further includes: a support frame 210, a dividing plate 220, a conveying mechanism 230, a conveying channel 240, a collecting hopper 250 and an input hopper 260.

Wherein, a plurality of grading mechanisms 100 are arranged in parallel in the inner cavity of the supporting frame 210. The purpose of this arrangement is to enable a plurality of the sorting mechanisms 100 to operate simultaneously, thereby improving the work efficiency.

Further, in order to collect and divide nuts dropped from the grading passage 160 one by one and collect nuts with a size difference within a certain range in a unified manner, in this embodiment, a dividing plate 220 is specially added;

a plurality of partition plates 220 are arranged at intervals on the support frame 210 along the axial direction of the conveying passage 150; and the axis of the dividing plate 220 is perpendicular to the axis of the conveying passage 150, and a separate collecting space is formed between the adjacent dividing plates 220, so that nuts dropped successively through the classifying passage 160 sequentially enter different collecting spaces.

It should be noted that the dividing plate 220 is fixedly disposed at the bottom of the supporting frame 210, and the length of the dividing plate 220 is the same as the width of the supporting frame 210, and during the actual use, the installation position of the dividing plate 220 can be adjusted according to the width of the classifying channel 160 (for example, a dividing plate 220 is disposed at the position where the width of the classifying channel 160 is 7cm, and a dividing plate 220 is disposed at the position where the width of the classifying channel 160 is 12cm again, so that nuts falling from the range of 1607cm-12cm of the classifying channel can be collected in the same collecting space for uniform collection). The position of the dividing plate 220 can be adjusted according to the artificial dividing requirement in the using process, so that the diameter and the diameter difference of the uniformly gathered nuts can be adjusted.

Specifically, the partition plate 220 includes a first partition plate 221 and a second partition plate 222 connected to each other, and an included angle between the first partition plate 221 and the second partition plate 222 is an acute angle.

It should be noted that the side of the first partition wall 221 and the second partition wall 222 contacting each other is fixedly connected to the supporting frame 210, so that the fallen nuts can enter the collecting space more quickly.

Further, in order to convey nuts entering the collecting space, a conveying mechanism 230 is specially added in this embodiment, the conveying mechanism 230 includes a base 231 and a conveying belt 232, the supporting frame 210 and the conveying belt 232 are both disposed on the base 231, the conveying belt 232 is located below the supporting frame 210, and a conveying direction of the conveying belt 232 is perpendicular to a conveying direction of the conveying channel 150;

the dividing plate 220 divides the conveyor belt 232 into a plurality of transport channels 240 matching the collection spaces for individually conveying the nuts within the plurality of collection spaces.

It should be noted that, in this embodiment, a conveying belt 232 is adopted to uniformly convey nuts in a plurality of collecting spaces, so that the cost can be further reduced, in the specific implementation process, a corresponding conveying belt 232 can be arranged in each collecting space, and nuts in each collecting space are conveyed separately, and this way is also within the protection scope of the present application. And will not be described in detail herein.

Another note is that there is a gap between the divider plate and the conveyor belt 232 that is smaller than the diameter of the nuts to ensure that nuts in different collection spaces do not fall into adjacent collection spaces. The specific gap width can be adjusted according to the variety of different nuts.

Further, in order to enable individual collection of nuts within each transport lane 240, the base 231 is provided with a plurality of collection hoppers 250 matching the plurality of transport lanes 240, the collection hoppers 250 being located at the ends of the transport lanes 240 for collecting the individually transported nuts.

Further, the base 231 is provided with a driving device for driving the conveying screw 140 and the conveying belt 232; in this embodiment, the spiral conveying shaft 140 and the conveying belt 232 are driven by separate driving devices respectively;

the plurality of conveying screws 140 are driven by a chain to rotate by a driving device, which can ensure that the rotating direction and the rotating speed of each conveying screw 140 are the same.

In addition, the driving mode of the conveying belt 232 can be directly driven by a motor gear, which is a conventional prior art in the field and is not described herein.

In this embodiment, the smaller one-time selection of the grading channel 160 is the input end of the nuts, which is designed to ensure that the nuts are screened from small to large, and to ensure the accuracy of the screening.

In this embodiment, the supporting frame 210 is provided with an input hopper 260, the input hopper 260 spans a plurality of grading mechanisms 100, and the input hopper 260 is arranged on the smaller side of the grading channel 160, so that the grading mechanisms 100 in the whole grading system 200 can be fed simultaneously.

In general, a nut grading system 200 is implemented based on the above nut grading mechanism 100, which can automatically divide and collect graded nuts during the process of grading the nuts, and can adjust the range of division to realize accurate division and collection.

The working principle of a nut grading system 200 is: firstly, the driving device for driving the spiral conveying shaft 140 to rotate is started, so that the spiral conveying shafts 140 synchronously rotate, then nuts to be screened are thrown into each grading mechanism 100 through the feeding hopper 260, the spiral conveying shafts 140 are utilized to drive the nuts to move along the conveying channel 150, in the process, the width of the grading channel 160 is gradually increased, the nuts drop through the grading channel 160 and enter different collecting spaces, the nuts directly drop on the conveying belt 232, the conveying belt 232 synchronously conveys the nuts in each conveying channel 240, the nuts in each conveying channel 240 respectively enter the corresponding collecting hopper 250, and the nuts can be collected independently.

In summary, the nut sorting mechanism 100 provided in the embodiment of the present invention can continuously screen nuts from large to small on the premise of continuous feeding, and does not need to transfer nuts, so as to realize automatic sorting and improve work efficiency. A nut grading system 200 is realized based on the nut grading mechanism 100, can automatically divide and collect the graded nuts in the process of grading the nuts, and can adjust the dividing range to realize accurate division and collection.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A nut staging mechanism, comprising:

a support frame:

the nut conveying device comprises a support frame, a first material guide plate and a second material guide plate, wherein the first material guide plate and the second material guide plate are arranged on the support frame, and a conveying channel for conveying nuts is formed between the first material guide plate and the second material guide plate; and

a screw conveying shaft; the spiral conveying shaft is rotatably arranged on the supporting frame, is positioned in the conveying channel and is used for conveying the nuts in the conveying channel; a grading channel for nut falling is formed between the spiral conveying shaft and the first material guide plate and between the spiral conveying shaft and the second material guide plate respectively; the width of the grading channel increases along the conveying direction of the spiral conveying shaft; so that nuts of different diameters successively fall through the grading passage.

2. The nut staging mechanism of claim 1 wherein the side of the first material guide adjacent the ground is inclined toward the side of the second material guide; one side of the second material guide plate close to the ground inclines towards one side of the first material guide plate.

3. The nut staging mechanism of claim 1 wherein the central axis of the first guide plate is disposed parallel to the central axis of the second guide plate; the diameter of the spiral conveying shaft is decreased progressively along the direction of the central axis thereof; such that the width of the fractionating passage increases in the conveying direction.

4. The nut staging mechanism of claim 1 wherein the auger shaft is of an isometric diameter, one end of the first and second guide plates are proximate to each other and the other end of the first and second guide plates are distal from each other, and the extension of the axes of the first and second guide plates intersects the extension of the axis of the auger shaft; such that the width of the fractionating passage increases progressively in the conveying direction.

5. A nut grading system comprising a support frame and a grading mechanism as claimed in any of claims 1-4, wherein a plurality of grading mechanisms are juxtaposed within the support frame.

6. The nut staging system of claim 5 further including a staging plate spaced from the support frame in the axial direction of the transport path; and the axes of the dividing plates are vertical to the axes of the conveying channels, and an independent collecting space is formed between the adjacent dividing plates, so that nuts which gradually fall through the classifying channels sequentially enter different collecting spaces.

7. The nut staging system of claim 6 wherein the dividing plate includes a first dividing plate and a second dividing plate coupled to one another, the first and second dividing plates having an included angle of less than 180 °.

8. The nut staging system of claim 6 further comprising a transport mechanism for transporting the nuts within the plurality of collection spaces;

the conveying mechanism comprises a base and a conveying belt, the supporting frame and the conveying belt are arranged on the base, the conveying belt is positioned below the supporting frame, and the conveying direction of the conveying belt is perpendicular to the conveying direction of the conveying channel;

the dividing plate divides the conveying belt into a plurality of conveying channels matched with the collecting spaces so as to convey the nuts in the collecting spaces independently.

9. The nut staging system of claim 8 wherein the base is provided with a plurality of collection hoppers matching a plurality of the transport lanes, the collection hoppers being located at the ends of the transport lanes for collecting the individually conveyed nuts.

10. The nut staging system of claim 8 wherein the base is provided with a drive for driving the auger shaft and the conveyor belt.

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