CN219971159U - Negative pressure feeding device for grain conveying device - Google Patents
Negative pressure feeding device for grain conveying device Download PDFInfo
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- CN219971159U CN219971159U CN202321364551.7U CN202321364551U CN219971159U CN 219971159 U CN219971159 U CN 219971159U CN 202321364551 U CN202321364551 U CN 202321364551U CN 219971159 U CN219971159 U CN 219971159U
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- negative pressure
- pipe
- gas inlet
- pressure device
- inlet pipe
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- 239000000463 material Substances 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000008859 change Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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Abstract
The utility model discloses a negative pressure feeding device for a grain conveying device, which comprises a negative pressure device, wherein a feeding hole of the negative pressure device is communicated with a feeding pipe, a gas inlet pipe is arranged on the feeding pipe, an air inlet inclined towards the negative pressure device is arranged on the gas inlet pipe, the negative pressure generated by starting the negative pressure device enables air to enter the feeding pipe from the air inlet in an inclined manner, and materials are driven to move towards the negative pressure device until being discharged from a discharging hole of the negative pressure device. The device utilizes the air flow change caused by negative pressure acting on the air to ensure that scattered grains move together with the air flow, thereby achieving the purpose of conveying materials; the device is provided with the gas inlet pipe in the feed pipe, so that when materials flow towards the negative pressure device in a negative pressure state, gas is sucked from the outside of the feed pipe, and the feed pipe is prevented from being blocked due to the fact that bulk materials enter the feed pipe, and the feed speed of the feed pipe is prevented from being influenced.
Description
Technical Field
The utility model relates to the field of grain processing, in particular to a negative pressure feeding device for a grain conveying device.
Background
The grain elevator is a common grain processing device, the working principle is that a motor drives a screw plate in a rubber tube to rotate, grains enter a grain collecting port of a grain suction head, grains at the grain collecting port rise along the spiral angle direction of the screw plate under the action of the screw plate, and finally, the grains are discharged automatically due to the action of gravity when reaching a discharge port. The transportation of grain adopts the spiral angle direction of flight to rise, needs great power supply when using, and in the transportation process, appears the condition of putty easily, influences grain transportation.
Disclosure of Invention
In view of the above-described drawbacks or shortcomings of the prior art, it is desirable to provide a negative pressure feed device for a grain delivery device.
According to the technical scheme provided by the embodiment of the utility model, the negative pressure feeding device for the grain conveying device comprises a negative pressure device, wherein a feeding hole of the negative pressure device is communicated with a feeding pipe, a gas inlet pipe is arranged on the feeding pipe, an air inlet inclined towards the negative pressure device is arranged on the gas inlet pipe, the negative pressure generated by starting the negative pressure device enables gas to enter the feeding pipe from the air inlet in an inclined manner, and the material is driven to move towards the negative pressure device until being discharged from a discharging hole of the negative pressure device.
Further, the outlet direction of the air inlet is inclined with the end face of the air inlet pipe, so that the air coming out of the air inlet drives the material in the feeding pipe to move.
Further, a plurality of gas inlet pipes are uniformly distributed at the upper end part of the feeding pipe, so that the gas inlet pipes are prevented from being blocked due to suction of materials caused by negative pressure at the lower end part of the feeding pipe.
Further, the gas inlet pipe comprises an air inlet pipe positioned at the outer side of the feeding pipe and an air guide pipeline fixed at the inner end face of the feeding pipe, so that when negative pressure occurs in the feeding pipe, gas at the outer side of the feeding pipe can enter the feeding pipe, and when the mouth of the feeding pipe is blocked by materials, the gas cannot enter the feeding pipe.
Further, the air inlet is provided with an inclined plate for preventing blockage, so that on one hand, blockage is prevented, and on the other hand, the air inlet flow direction is determined.
Further, the inclined plate is an arc plate, and is convenient to connect with the arc outer end face of the gas inlet pipe.
Further, the transmission motor on the negative pressure device rotates the gear to enable the plastic pipe to deform to generate negative pressure, the plastic pipe is a deformable plastic pipe, the gear and the plastic pipe are located in the transmission device placing shell, two ends of the plastic pipe fixedly penetrate through the transmission device placing shell to be respectively communicated with the feeding pipe and the discharging pipe, the gear extrudes the plastic pipe to generate negative pressure in the rotating process, and materials are prevented from entering the transmission device of the negative pressure device to influence the work of the transmission device.
In summary, the utility model has the following beneficial effects: the device utilizes the air flow change caused by negative pressure acting on the air to ensure that scattered grains move together with the air flow, thereby achieving the purpose of conveying materials; the device is provided with the gas inlet pipe in the feed pipe, so that when materials flow towards the negative pressure device in a negative pressure state, gas is sucked from the outside of the feed pipe, and the feed pipe is prevented from being blocked due to the fact that bulk materials enter the feed pipe, and the feed speed of the feed pipe is prevented from being influenced.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of the overall apparatus of the present utility model;
FIG. 2 is a schematic diagram of the connection structure of the gas inlet pipe and the feed pipe of the present utility model;
FIG. 3 is a schematic cross-sectional elevation view of a gas inlet tube according to the present utility model;
fig. 4 is a schematic sectional view of the negative pressure device of the present utility model.
Reference numerals in the drawings: a negative pressure device-1; a feed pipe-2; a gas inlet pipe-3; an air inlet port-31; an air intake pipe-32; an airway tube-33; an inclined plate-4; a transmission motor-11; gear-12; plastic tube-13; the transmission is placed in the housing-14.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The negative pressure feeding device for the grain conveying device is shown in fig. 1, a feeding hole on the left end face of the negative pressure device 1 is communicated with a feeding pipe 2, a gas inlet pipe 3 is arranged in the feeding pipe 2, and a plurality of gas inlet pipes 3 are uniformly distributed at the upper end part of the feeding pipe 2;
as shown in fig. 2 and 3, the gas inlet pipe 3 is positioned outside the feed pipe 2 and is provided with an air inlet pipe 32, an air guide pipe 33 is positioned on the inner end surface of the feed pipe 2, one end of the gas inlet pipe 3 is opened (namely, the air inlet pipe 32 is opened), the other end of the gas inlet pipe 3 is sealed, namely, one end of the air guide pipe 33 is sealed, and the other end of the air guide pipe 33 is communicated with the air inlet pipe 32; an air inlet 31 is arranged at the position of the air duct 33 towards the central line of the feed pipe 2, the air inlet 31 and the end face of the air duct 33 are inclined towards the direction of the negative pressure device 1, an arc-shaped inclined plate 4 which is obliquely arranged is arranged at the air inlet 31 of the air inlet pipe 3 to prevent materials from entering the air inlet 31 and blocking the air inlet 31;
as shown in fig. 4, the gear 11 of the transmission motor 11 on the negative pressure device 1 rotates the gear 12 to deform the plastic tube 13 to generate negative pressure, the plastic tube 13 is a deformable plastic tube, the gear 12 and the plastic tube 13 are positioned in the transmission device placing shell 14, and two ends of the plastic tube 13 fixedly penetrate through the transmission device shell 14 to be respectively communicated with the feeding tube 2 and the discharging tube.
Before use, the feeding pipe 2 is placed in the bulk grain pile, the gas inlet pipe 3 is positioned above the grain pile, then the negative pressure device 1 is started, at this time, grains at the mouth of the feeding pipe 2 can enter the feeding pipe 2 due to negative pressure in the feeding pipe 2, gas is simultaneously introduced from the gas inlet pipe 32 and enters the feeding pipe 2 from the gas inlet 31, and the gas flows towards the negative pressure device 1, so that the gas simultaneously drives the material to move towards the negative pressure device 1 to realize the material movement, and when the material enters the plastic pipe 13 of the negative pressure device 1, the material is discharged from the other side of the plastic pipe 13 due to extrusion deformation.
After the material and the gas enter the feeding pipe 2 together, the feeding pipe 2 is difficult to be blocked seriously by the material due to the existence of the gas, so that the blocking of the feeding pipe 2 by the material can be prevented.
The above description is only illustrative of the preferred embodiments of the utility model and the technical principles employed. Meanwhile, the scope of the utility model is not limited to the technical scheme formed by the specific combination of the technical features, and other technical schemes formed by any combination of the technical features or the equivalent features thereof without departing from the inventive concept are also covered. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.
Claims (7)
1. Grain is negative pressure feed arrangement for conveyor, its characterized in that: comprising the steps of (a) a step of,
negative pressure device (1), feed inlet intercommunication inlet pipe (2) of negative pressure device (1), be equipped with gas inlet tube (3) on inlet pipe (2), be equipped with on gas inlet tube (3) towards air inlet (31) of negative pressure device (1) direction slope, negative pressure device (1) start-up the negative pressure that produces makes gas follow air inlet (31) slope enter into in inlet pipe (2), and drive the material to negative pressure device (1) remove, until follow the discharge gate of negative pressure device (1) is discharged.
2. The negative pressure feeding device for a grain conveying apparatus according to claim 1, wherein: the outlet direction of the gas inlet (31) is inclined with the end face of the gas inlet pipe (3).
3. The negative pressure feeding device for a grain conveying apparatus according to claim 1, wherein: the gas inlet pipes (3) are uniformly distributed at the upper end part of the feed pipe (2).
4. A negative pressure feeding device for a grain conveying apparatus according to claim 3, wherein: the gas inlet pipe (3) comprises an air inlet pipe (32) positioned at the outer side of the feed pipe (2) and an air guide pipeline (33) fixed at the inner end face of the feed pipe (2).
5. The negative pressure feeding device for a grain conveying apparatus according to claim 1, wherein: the air inlet (31) is provided with an inclined plate (4) for preventing blockage.
6. The negative pressure feeding device for a grain transporting apparatus according to claim 5, wherein: the inclined plate (4) is an arc plate.
7. The negative pressure feeding device for a grain conveying apparatus according to claim 1, wherein: the transmission motor (11) on the negative pressure device (1) rotates the gear (12) to enable the plastic tube (13) to deform to generate negative pressure, the plastic tube (13) is a deformable plastic tube, the gear (12) and the plastic tube (13) are located in the transmission device placing shell (14), and two ends of the plastic tube (13) fixedly penetrate through the transmission device placing shell (14) to be respectively communicated with the feeding tube (2) and the discharging tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321364551.7U CN219971159U (en) | 2023-05-31 | 2023-05-31 | Negative pressure feeding device for grain conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321364551.7U CN219971159U (en) | 2023-05-31 | 2023-05-31 | Negative pressure feeding device for grain conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219971159U true CN219971159U (en) | 2023-11-07 |
Family
ID=88594628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321364551.7U Active CN219971159U (en) | 2023-05-31 | 2023-05-31 | Negative pressure feeding device for grain conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219971159U (en) |
-
2023
- 2023-05-31 CN CN202321364551.7U patent/CN219971159U/en active Active
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