CN220755620U - Screening plant for maize - Google Patents
Screening plant for maize Download PDFInfo
- Publication number
- CN220755620U CN220755620U CN202322339878.5U CN202322339878U CN220755620U CN 220755620 U CN220755620 U CN 220755620U CN 202322339878 U CN202322339878 U CN 202322339878U CN 220755620 U CN220755620 U CN 220755620U
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- Prior art keywords
- screening
- spiral
- disc
- box
- discharge port
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- 238000012216 screening Methods 0.000 title claims abstract description 107
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 17
- 240000008042 Zea mays Species 0.000 title claims description 15
- 241000196324 Embryophyta Species 0.000 title description 2
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 title description 2
- 235000009973 maize Nutrition 0.000 title description 2
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 18
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims abstract description 15
- 235000005822 corn Nutrition 0.000 claims abstract description 15
- 239000008187 granular material Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 241000209149 Zea Species 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 235000013339 cereals Nutrition 0.000 description 13
- 238000009434 installation Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 230000003031 feeding effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a screening device for corn, which relates to the technical field of corn processing and comprises supporting legs, wherein the supporting legs are connected with a screening box through a vibrating mechanism; the top of the screening box is provided with a feeding pipe, the bottom of the screening box is provided with a small grain discharge port, and the wall of the screening box is provided with a large grain discharge port and a medium grain discharge port; a central shaft is vertically installed in the screening box, a first spiral screening disc and a second spiral screening disc are sequentially arranged on the central shaft from top to bottom along the vertical direction of the central shaft, the first spiral screening disc and the second spiral screening disc are in contact with the inner box of the screening box, the tail ends of the first spiral screening disc and the second spiral screening disc are connected with a baffle plate, the tail ends of the first spiral screening disc are connected with a large grain discharging opening, and the tail ends of the second spiral screening disc are connected with a medium grain discharging opening. The device has compact structure and small occupied space; utilize the structural feature of first spiral screening dish and second spiral screening dish, prolonged the dwell time of material screening in-process, improved the screening effect greatly.
Description
Technical Field
The utility model relates to the technical field of corn processing, in particular to a screening device for corn.
Background
After harvesting, corn needs threshing work, and many corn kernels after finishing threshing work need further screening work. The existing screening devices for corn kernels mostly adopt linear vibrating screens.
The linear vibrating screen uses vibration motor excitation as a vibration source to enable materials to be thrown up on the screen, simultaneously moves forward linearly, and enables the materials to uniformly enter a feed inlet of the screening machine from the feeder, and to generate oversize products and undersize products with a plurality of specifications through the multi-layer screen, and respectively discharge the oversize products and the undersize products from respective outlets; however, the linear vibrating screen also has the following disadvantages: firstly, the retention time of materials is short, so that the screening performance is poor, and the screening is incomplete; and the second is that the occupied area is larger.
Disclosure of Invention
The utility model aims to solve the problems in the background art, and further provides a screening device for corn.
The technical scheme adopted for solving the technical problems is as follows:
a screening device for corn comprises supporting legs, wherein the supporting legs are connected with a screening box through a vibrating mechanism; the top of the screening box is provided with a feeding pipe, the bottom of the screening box is provided with a small grain discharge port, and the wall of the screening box is provided with a large grain discharge port and a medium grain discharge port; a central shaft is vertically arranged in the screening box, a first spiral screening disc and a second spiral screening disc are sequentially arranged on the central shaft from top to bottom along the vertical direction of the central shaft, the first spiral screening disc and the second spiral screening disc are in contact with the inner box of the screening box, the tail ends of the first spiral screening disc and the second spiral screening disc are connected with a baffle plate, the tail ends of the first spiral screening disc are connected with a large-grain discharging port to be used for screening and discharging large-grain materials, and the tail ends of the second spiral screening disc are connected with a medium-grain discharging port to be used for screening and discharging medium-grain materials.
Further, vibration mechanism includes vibrating spring, installation piece and vibrating motor, and vibrating spring sets up on the landing leg and its top is equipped with the installation piece, and the polylith installation piece is connected with the screening case jointly, installs vibrating spring on the screening case.
Further, a feeding hopper for improving feeding effect is arranged on the feeding pipe.
Further, a blanking pipe with different lengths is respectively connected to the large grain discharging port and the medium grain discharging port for discharging.
Further, a star discharger is arranged on the feeding pipe to control the feeding speed of the material at the feeding pipe.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model has compact structure and small occupied space, and the arrangement of the first spiral screening disc and the second spiral screening disc in the screening box prolongs the residence time in the material screening process, greatly improves the screening effect, has simple structure and high popularization value.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model;
FIG. 2 is a schematic view of the external structure of the present utility model;
wherein: 1. a support leg; 2. a vibration mechanism; 21. a vibration spring; 22. a mounting block; 23. a vibration motor; 3. a screening box; 31. a feed pipe; 32. a small grain discharge port; 33. a feed hopper; 34. a large grain discharge port; 35. a medium grain discharge port; 4. a central shaft; 41. a first spiral screening tray; 42. a second spiral screening tray; 43. and a striker plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. The utility model will be further described with reference to the accompanying drawings and examples:
referring to fig. 1 and 2, a screening device for corn comprises a supporting leg 1, wherein the supporting leg 1 is connected with a screening box 3 through a vibrating mechanism 2;
the top of the screening box 3 is provided with a feeding pipe 31, a feeding hopper 33 for improving the feeding effect is arranged on the feeding pipe 31, the bottom of the screening box 3 is provided with a small grain discharge port 32, and the wall of the screening box 3 is provided with a large grain discharge port 34 and a medium grain discharge port 35;
a central shaft 4 is vertically installed in the screening box 3, the central shaft 4 is sequentially provided with a first spiral screening disc 41 and a second spiral screening disc 42 from top to bottom along the vertical direction of the central shaft 4, the first spiral screening disc 41 and the second spiral screening disc 42 are in contact with the inner box of the screening box 3, the tail ends of the first spiral screening disc 41 are connected with a large-particle discharge opening 34 for screening and discharging large-particle materials, and the tail ends of the second spiral screening disc 42 are connected with a medium-particle discharge opening 35 for screening and discharging medium-particle materials.
Specifically, the vibration mechanism 2 includes a vibration spring 21, an installation block 22 and a vibration motor 23, the vibration spring 21 is disposed on the supporting leg 1, the top end of the vibration spring is provided with the installation block 22, a plurality of installation blocks 22 are connected with the screening box 3 together, and the vibration spring 21 is installed on the screening box 3.
In the concrete implementation process, the material entering the screening box 3 firstly falls onto the first spiral screening disc 41 to carry out screening operation through injecting the material into the screening box 3, the large-granularity material is discharged through the large-granularity discharge port 34 through long-distance screening of the first spiral screening disc 41, the medium-granularity material falls onto the second spiral screening disc 42 to carry out screening operation through long-distance screening of the second spiral screening disc 42, the medium-granularity material is discharged through the medium-granularity discharge port 35, and the small-granularity material is directly discharged through the small-granularity discharge port 32 at the bottom of the screening box 3.
It is noted that in other embodiments, the first 41 and second 42 spiral screening discs are not limited, and a third or more spiral screening discs may be provided as well, depending on the different screening requirements.
Wherein, a blanking pipe (not shown) with different lengths is respectively connected at the large grain discharging hole 34 and the medium grain discharging hole 35 for discharging.
Of course, from the aspect of controllable feeding, a star discharger (not shown in the figure) is installed on the feeding pipe 31, so that the control of the feeding speed of the material at the feeding pipe 31 is completed by adjusting the rotation speed of a driving motor in the star discharger.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The corn screening device is characterized by comprising supporting legs (1), wherein the supporting legs (1) are connected with a screening box (3) through a vibrating mechanism (2);
a feed pipe (31) is arranged at the top of the screening box (3), a small grain discharge port (32) is arranged at the bottom of the screening box (3), and a large grain discharge port (34) and a medium grain discharge port (35) are arranged on the wall of the screening box (3);
a central shaft (4) is vertically installed in the screening box (3), a first spiral screening disc (41) and a second spiral screening disc (42) are sequentially arranged on the central shaft (4) from top to bottom along the vertical direction, the first spiral screening disc (41) and the second spiral screening disc (42) are in contact with the inner box of the screening box (3) and are connected with a baffle plate (43) through the tail ends of the first spiral screening disc (41) and a large-grain discharging port (34) to be used for screening and discharging large-grain materials, and the tail end of the second spiral screening disc (42) is connected with a medium-grain discharging port (35) to be used for screening and discharging the medium-grain materials.
2. The screening device for corn according to claim 1, wherein the vibrating mechanism (2) comprises a vibrating spring (21), a mounting block (22) and a vibrating motor (23), the vibrating spring (21) is arranged on the supporting leg (1) and the top end of the vibrating spring is provided with the mounting block (22), the plurality of mounting blocks (22) are commonly connected with the screening box (3), and the vibrating spring (21) is arranged on the screening box (3).
3. A screening device for corn according to claim 1, characterized in that the feed tube (31) is provided with a feed hopper (33).
4. A screening device for corn according to claim 1, characterized in that a blanking pipe of different length is connected to each of the large granule discharge opening (34) and the medium granule discharge opening (35).
5. A screening device for corn according to claim 3, characterized in that the feeding pipe (31) is provided with a star discharger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322339878.5U CN220755620U (en) | 2023-08-30 | 2023-08-30 | Screening plant for maize |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322339878.5U CN220755620U (en) | 2023-08-30 | 2023-08-30 | Screening plant for maize |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220755620U true CN220755620U (en) | 2024-04-12 |
Family
ID=90601539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322339878.5U Active CN220755620U (en) | 2023-08-30 | 2023-08-30 | Screening plant for maize |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220755620U (en) |
-
2023
- 2023-08-30 CN CN202322339878.5U patent/CN220755620U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |