CN113798170A

CN113798170A - Device for vibration classification conveying

Info

Publication number: CN113798170A
Application number: CN202111032042.XA
Authority: CN
Inventors: 李子瑞; 霍耀辉; 刘青华; 曲弘全
Original assignee: Beijing Ant Non Standard Technology Co ltd
Current assignee: Beijing Ant Non Standard Technology Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2021-12-17

Abstract

The invention relates to a device for vibration classification conveying, comprising: the bottom of the box body is provided with a bearing spring seat, the bottom of the bearing spring seat is fixedly provided with a base, and one side of the top of the box body is provided with a feeding channel; the screen group comprises a plurality of layers of screens with the mesh diameters sequentially reduced from top to bottom, the screens are obliquely fixed in the box body, and a plurality of discharging channels which are arranged in one-to-one correspondence with the plurality of layers of screens are arranged on the other side of the box body; the eccentric block is driven by a rotating shaft and a variable frequency motor which are connected by power and is rotationally connected to one side of the box body; the rotating shaft penetrates through the center of mass of the box body, the eccentric block is not overlapped with the center of mass of the box body, the classified objects move forwards on the screen group in an elliptical motion mode, the classified objects are separated, and screening and classification of the classified objects are realized according to the mesh size of the screen; the collecting bins are in one-to-one correspondence with the discharging channels and are fixed on the base. The invention effectively liberates the manual labor force and reduces the production cost. The shock absorption effect is improved, and the vibration to the ground in the running process of the device is avoided.

Description

Device for vibration classification conveying

Technical Field

The invention relates to the technical field of classified conveying, in particular to a device for vibration classified conveying.

Background

Crops such as apples, oranges, walnuts and the like have wide market prospects and requirements in China, the crops can be directly eaten, snacks and the like subjected to secondary processing are gradually increased, related foods are more and more, and the yield requirements are also increased day by day. And the classification aiming at the sizes of the crops can facilitate the fruit growers to improve the economic benefits of the fruit growers, avoid the waste of the crops and improve the economic value of the crops. At present, crops such as fruits, nuts and the like which are good in the market are different in price due to different sizes, and in the process of classifying the crops in the market, screening is still mainly completed manually, and manual screening and classification are difficult to meet more and more market demands. The demand of China on crops is increasing day by day, if the traditional manual screening is adopted, not only is the labor productivity low, the screening time is overlong, the fruits and the like are easy to deteriorate, the waste is caused, and the production cost is increased, but also the safety and the sanitation problems of directly edible foods such as nuts and the like are difficult to ensure if the manual screening is adopted.

Therefore, how to provide a device for vibration classification conveying is a problem that needs to be solved urgently by those skilled in the art.

Disclosure of Invention

Therefore, the invention aims to provide a device for vibration classification conveying, which solves the problems of low screening efficiency and large labor consumption in the prior art.

The invention provides a device for vibration classification conveying, which comprises:

the box body is provided with a bearing spring seat at the bottom, a base is fixed at the bottom of the bearing spring seat, and a feeding channel is arranged on one side of the top of the box body;

the screen group comprises a plurality of layers of screens with mesh diameters sequentially reduced from top to bottom, the screens are obliquely fixed in the box body, and a plurality of discharging channels which are arranged in one-to-one correspondence with the plurality of layers of screens are arranged on the other side of the box body;

the eccentric block is driven by a rotating shaft and a variable frequency motor which are connected through power and is rotationally connected to one side of the box body; the rotating shaft penetrates through the center of mass of the box body, the eccentric block is not coincident with the center of mass of the box body, the classified objects advance on the screen group in an elliptical motion mode, the classified objects are separated, and screening and classification of the classified objects are realized according to the mesh sizes of the screens; and

the collecting bins are multiple and correspond to the discharging channels one by one and are fixed on the base.

According to the technical scheme, compared with the prior art, the vibration classification conveying device has the advantages that power supply to the whole device is achieved through the eccentric block and the driving device of the variable frequency motor, the amplitude of the whole device is adjusted through adjusting the rotating speed of the motor, when a classified object enters the screen surface from the feeding channel on the left side of the box body, the classified object can do elliptic vibration advancing motion on the screen surface, the screen meshes of the whole screen surface group are arranged in multiple layers in a descending order from top to bottom, the classified object with the large size can be left in the first layer, the classified object with the minimum size can fall into the bottommost layer, other crops are located in the middle layer, the discharging channels corresponding to different screen meshes are respectively arranged on the right side of the box body, and the classified object is respectively conveyed into the collecting bins corresponding to the device base on the lower side. The labor force is effectively liberated, and the production cost is reduced. The device wholly realizes the bearing to the device through damping spring and support frame, the effectual shock attenuation effect that improves the device, has avoided the device operation in-process to the vibration on ground, has improved the accuracy of device vibration control.

Furthermore, the side face of the box body corresponds to multiple layers of the screen meshes, the positions of the screen meshes are respectively provided with sliding grooves with corresponding quantity, and each screen mesh is fixed on the sliding grooves through double nuts of hexagon bolts. The device can realize the screening and conveying of different classified objects by removing the fixation of the hexagon nut and replacing the screen mesh group. The device changes the interval between the screen cloth group through changing the position that hexagon nut is located the spout, and the accessible adjustment avoids the classified material to fall to damage.

Further, the inclination angle of each screen is adjusted within the range of 10-35 degrees.

Furthermore, each collecting bin comprises a collecting bin shell and an elastic component, wherein the collecting bin shell is fixed on the base, and the elastic component is arranged in the collecting bin shell.

Further, the elastic component comprises a supporting plate, a buffer spring and a buffer spring seat; the buffer spring seat is fixed at the bottom of the collecting bin shell and is connected with the buffer spring, and the top of the buffer spring is connected with the supporting plate.

Further, the top of the supporting plate is provided with a rubber buffer layer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a vibratory sorting and conveying apparatus according to the present invention;

FIG. 2 is a schematic connection diagram of a variable frequency motor, a coupling, a rotating shaft and an eccentric block;

FIG. 3 is a schematic diagram illustrating the matching of the sliding groove on the side wall of the box body and the hexagon bolt;

FIG. 4 shows a schematic view of the structure of the elastic member inside the collecting chamber;

in the figure:

1-box body, 2-screen mesh group, 3-eccentric block, 4-bearing spring seat, 5-rotating shaft, 6-coupling, 7-variable frequency motor, 8-feeding channel, 9-base, 10-discharging channel, 11-collecting bin, 12-chute, 13-hexagon bolt, 14-collecting bin shell, 15-supporting plate, 16-buffer spring and 17-buffer spring seat.

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 drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, the embodiment of the invention discloses a device for vibration classification conveying, comprising: the box body 1 is provided with a bearing spring seat 4 at the bottom of the box body 1, a base is fixed at the bottom of the bearing spring seat 4, and a feeding channel 8 is arranged on one side of the top of the box body 1; the screen group 2 comprises a plurality of layers of screens with mesh diameters sequentially reduced from top to bottom, the screens are obliquely fixed in the box body 1, and a plurality of discharging channels 10 which are arranged in one-to-one correspondence with the plurality of layers of screens are arranged on the other side of the box body 1; the eccentric block 3 is driven by a rotating shaft 5 and a variable frequency motor 7 which are connected by power, and is rotationally connected to one side of the box body 1; the rotating shaft 5 penetrates through the center of mass of the box body 1, the eccentric block 3 is not overlapped with the center of mass of the box body 1, the classified objects move forwards on the screen group 2 in an elliptical motion mode, the classified objects are separated, and screening and classification of the classified objects are realized according to the mesh sizes of the screens; and

a plurality of collecting bins 11 are arranged, the collecting bins 11 are in one-to-one correspondence with the discharging channels 10 and are fixed on the base.

The invention discloses a vibration classification conveying device, which utilizes a driving device of an eccentric block 3 and a variable frequency motor 7 to complete the power supply of the whole device, the amplitude of the whole device is adjusted by adjusting the rotating speed of the motor, when classified objects enter a screen from a feeding channel on the left side of a box body 1, the classified objects can do elliptic vibration advancing motion on the screen, the sizes of meshes of screens of the whole screen group are arranged in a plurality of layers in a descending order from top to bottom, the classified objects with large sizes can be remained on a first layer, the classified objects with the minimum sizes can fall on a bottom layer, other crops are in a middle layer, discharging channels 10 corresponding to different screens are respectively arranged on the right side of the box body 1, and the classified objects are respectively conveyed into corresponding collecting bins 11 with the lower sides positioned on a base of the device. The labor force is effectively liberated, and the production cost is reduced. The device wholly realizes the bearing to the device through damping spring and support frame, the effectual shock attenuation effect that improves the device, has avoided the device operation in-process to the vibration on ground, has improved the accuracy of device vibration control.

The classified objects can do elliptic vibration forward motion on the screen surface, the elliptic motion is a resultant motion generated by vibration, the mass center of the whole box body is not overlapped with the mass center of the eccentric block, the classified objects move together with the rotation of the eccentric block and are decomposed to move in the x and y directions, and the resultant motion is a throwing motion, so that the materials are in an inclined throwing elliptic motion track in the motion process, and the screening is facilitated.

Referring to fig. 3, the side of the box body 1 is provided with a corresponding number of sliding chutes 12 corresponding to the positions of the multiple layers of screens, and each screen is fixed on the sliding chute 12 through a double-nut hexagon bolt 13. The device can realize the screening of different categorised objects and transport through removing hexagon nut's fixed, can be to the change of screen cloth group 2. The device changes the interval between the screen cloth group 2 through changing the position that hexagon nut is located spout 12, and the accessible adjustment avoids the classified material to fall to damage.

Advantageously, the angle of inclination of each screen is adjusted in the range 10 ° to 35 °.

Referring to fig. 4, each collecting bin 11 includes a housing of the collecting bin 11 and an elastic member, the housing of the collecting bin 11 is fixed on the base, and the elastic member is disposed inside the housing. The elastic component comprises a supporting plate 15, a buffer spring 16 and a buffer spring seat 17; the buffer spring seat 17 is fixed at the bottom of the shell of the collecting bin 11, a buffer spring 16 is connected with the buffer spring seat, and the top of the buffer spring 16 is connected with the supporting plate 15. The pallet 15 has a rubber cushioning layer on top. Therefore, the classified objects are effectively prevented from being damaged when falling into the collecting bin.

The classified objects are poured from a feeding channel 8 at the upper left of the box body 1, the variable frequency motor 7 drives the eccentric block 3 sleeved on the rotating shaft 5 to rotate together through the coupler 6, and the whole device adopts the bearing spring seat 4 to bear the weight, so that the damping effect of the device is ensured. Adopt the mode of vibration classification transport for screen cloth group 2 on the box 1 vibrates together with the classified object, and the classified object is the oval forward motion mode on screen cloth group 2, separates the classified object and realizes the screening classification of classified object and collect according to the size of screen cloth group 2 size, and screen cloth group 2 passes through hex bolts 13 and installs on the spout 12 of box 1, through the position of adjustment hex bolts 13 on spout 12, realizes the adjustment and the change of screen cloth group. In the embodiment of the invention, the sizes of the meshes of the screen cloth of the whole screen surface group 2 are arranged in descending order from top to bottom and are totally divided into three layers, the size of the aperture of the screen cloth 2a of the first layer is the largest, the size of the aperture of the screen cloth 2c of the third layer is the smallest, the size of the aperture of the screen cloth 2b of the second layer is between the first layer and the third layer, and finally, the classified objects with different sizes fall into different collecting bins on the base 9 through different discharging channels respectively. The position of the supporting plate 15 in the collecting bin 11 can be adjusted by utilizing the buffer spring 16 connected below along with the weight of the classified objects, so that the falling distance of the classified objects is reduced due to the increase of the buffering of the spring, the collision damage caused by the falling of the classified objects is greatly reduced, and the buffer spring 16 is connected with the collecting bin shell 14 through the spring base 17. The rubber buffer layer is arranged on the supporting plate, so that damage to the falling process of the classified objects is further prevented. In the embodiment of the present invention, the classified material may be fruit, and obviously, other classified materials may be used.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 are not necessarily intended to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A vibratory sorting conveyor, comprising:

2. The vibratory sorting conveyor as claimed in claim 1 wherein the side of the box is provided with a corresponding number of chutes corresponding to the positions of the plurality of layers of screens, each screen being secured to the chutes by means of double nuts of hexagonal bolts.

3. A vibratory classifying conveyor as in claim 2 wherein the angle of inclination of each of said screens is adjusted in the range of 10 ° to 35 °.

4. The vibratory sorting conveyor of any one of claims 1-3, wherein each of said collection chambers comprises a collection chamber housing and a resilient member, said collection chamber housing being secured to said base and said resilient member being disposed therein.

5. The vibratory sorting conveyor of claim 4 wherein said resilient members comprise a pallet, a cushioning spring and a cushioning spring seat; the buffer spring seat is fixed at the bottom of the collecting bin shell and is connected with the buffer spring, and the top of the buffer spring is connected with the supporting plate.

6. The vibratory sorting conveyor of claim 5 wherein the top of the pallet has a rubber cushioning layer.