CN220974758U - A low pressure fan for wheat is carefully chosen - Google Patents
A low pressure fan for wheat is carefully chosen Download PDFInfo
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- CN220974758U CN220974758U CN202322524701.2U CN202322524701U CN220974758U CN 220974758 U CN220974758 U CN 220974758U CN 202322524701 U CN202322524701 U CN 202322524701U CN 220974758 U CN220974758 U CN 220974758U
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- pressure fan
- wheat
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- 241000209140 Triticum Species 0.000 title claims abstract description 43
- 235000021307 Triticum Nutrition 0.000 title claims abstract description 42
- 238000004806 packaging method and process Methods 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 240000003433 Miscanthus floridulus Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a low-pressure fan for wheat selection, which relates to the technical field of wheat treatment equipment and comprises a low-pressure fan and a plurality of bag opening arms for opening a wheat packaging bag opening, wherein the bag opening arms are annularly arranged at a discharge port of the low-pressure fan, one end of the outer wall of the discharge port, which is positioned at the bag opening arm, is fixedly connected with a mounting frame, the inner wall of the mounting frame is rotationally connected with a worm wheel, one end of the bag opening arm is fixed at the side edge of the worm wheel, the outer wall of the discharge port is rotationally connected with a worm which is in transmission with the worm wheel, the worm wheel is annularly arranged in an array manner, and the arranged gears are driven to rotate in a mode of installing motors on the discharge port and a mounting seat, so that the worm and a toothed ring on the mounting seat can be conveniently rotated.
Description
Technical Field
The utility model relates to the technical field of wheat treatment equipment, in particular to a low-pressure fan for wheat fine selection.
Background
Wheat is a generic name of wheat plants, belongs to a miscanthus crop, and is blown out of light empty shells, dust and weeds in the wheat by a blower after the wheat is poured into the low-pressure blower in order to select the empty shells, dust and weeds doped in the wheat after the wheat is picked and dried in the sun.
For example, a low-pressure fan (publication number: CN 209398601U) for wheat concentration in the prior art, wherein aiming at the problem that the low-pressure fan only blows out the wheat, but cannot fix the bag of the wheat, the bag is fixed by the aid of the clamping groove, the movable connecting piece, the rotating plate, the fixed block, the hook, the first magnetic block and the second magnetic block, so that the rotating plate rotates by the aid of the movable connecting piece, the packaging bag of the wheat is hung at the hook, and the bag is hung by the rotating plate, so that the effect of fixing the packaging bag of the wheat is achieved;
however, when the wheat packaging bag is opened, in order to ensure that the position of the bag opening is fixed, a certain external force is required to be applied to the bag opening, so that the bag opening is outwards expanded, but the hooks are arranged on the fixing blocks, the fixing blocks are arranged on the rotating plates, and the rotating plates are arranged in the clamping grooves through the movable connecting pieces.
Disclosure of utility model
The utility model aims to solve the problems in the prior art, and provides a low-pressure fan for wheat concentration.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a low pressure fan for wheat is carefully selected, including low pressure fan and a plurality of bag arm that struts that is used for opening wheat wrapping bag sack, a plurality of bag arm annular array sets up the discharge gate department at low pressure fan, the discharge gate outer wall is located the one end fixedly connected with mounting bracket that struts the bag arm, the mounting bracket inner wall rotates and is connected with the worm wheel, the one end that struts the bag arm is fixed in the side of worm wheel, the discharge gate outer wall rotate be connected with worm gear's worm, a plurality of worm annular array distributes, and the both ends of worm all run through the discharge gate outer wall, and the terminal surface of two adjacent worms is connected with universal joint.
Further: one of the inner side walls of the mounting frame is fixedly connected with a torsion sensor, and the measuring end of the torsion sensor is fixedly connected with one end of the worm wheel.
Further: the low-pressure fan is rotationally connected with a toothed ring concentric with the discharge hole, and the toothed ring and the low-pressure fan are fixedly connected with a connecting shaft for opening the wheat packaging bag mouth.
Further: the low-pressure fan is fixedly connected with a plurality of electric telescopic rods around the annular array of the discharge hole, the telescopic ends of the electric telescopic rods are fixedly connected with mounting seats, and the toothed ring and one of the connecting shafts are arranged on the mounting seats.
Further: the mounting seat is embedded on one side of the toothed ring, and the section of the embedded part is L-shaped.
Further: one of the worm shaft faces is fixedly connected with a toothed ring, and the discharge hole and the mounting seat are both rotationally connected with gears meshed with the toothed ring.
Further: the low-pressure fan is provided with a bag supporting plate which longitudinally ascends and descends relative to the discharge hole, and the outer wall of the low-pressure fan is fixedly connected with an electric telescopic rod which is used for driving the bag supporting plate to ascend and descend.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. According to the utility model, one worm is rotated, the worm at other positions is simultaneously rotated under the connection effect of the universal coupler, and further the worm wheel driven by the worm is used for driving the bag supporting arm to rotate, namely, wheat packaging bags with different bag opening diameters can be automatically opened by controlling the swing angle of the bag supporting arm, and the bag supporting arm continuously swings for a certain angle along with the increase of the weight of wheat in the bag, so that the friction force between the bag and the bag is increased, and the bag is prevented from falling off due to gravity.
2. According to the utility model, the mounting seat at the telescopic end of the electric telescopic rod is extended to drive the toothed ring to move to the level of the end face of the connecting shaft and the end face of the discharge hole, the two connecting shafts are inserted into the bag mouth, the toothed ring on the mounting seat is rotated to drive the connecting shafts on the surfaces of the toothed ring to rotate, one connecting shaft is rotated, two hands of a person press the two sides of the bag mouth and are attached to the mounting seat, the bag mouth can be automatically opened under the action of the rotating connecting shafts and is circular, then the electric telescopic rod is contracted, the mounting seat and the toothed ring are driven to move and reset, so that the bag mouth which is circularly opened is separated from the connecting shafts and is automatically wrapped and covered on the peripheral side of the discharge hole.
Drawings
Fig. 1 is a schematic perspective view of a low-pressure fan for wheat selection according to the present utility model;
FIG. 2 is a schematic view showing the bottom view of FIG. 1 of a low pressure fan for wheat beneficiation in accordance with the present utility model;
FIG. 3 is a schematic cross-sectional view of a discharge port of a low-pressure fan for wheat refining according to the present utility model;
fig. 4 is an enlarged view at a in fig. 3.
Legend description: 1. a low pressure fan; 2. a discharge port; 3. a bag supporting plate; 4. a toothed ring; 5. an electric telescopic rod; 6. a universal coupling; 7. a gear; 8. a bag supporting arm; 9. a torsion sensor; 10. a worm; 11. a worm wheel; 12. a connecting shaft; 13. a mounting frame; 14. and (5) a mounting seat.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
As shown in fig. 1-4, a low-pressure fan for wheat selection comprises a low-pressure fan 1 and a plurality of bag supporting arms 8 for supporting the bag mouth of a wheat packaging bag, wherein the bag supporting arms 8 are annularly arranged at a discharge hole 2 of the low-pressure fan 1, the outer wall of the discharge hole 2 is fixedly connected with a mounting frame 13 at one end of the bag supporting arm 8, the inner wall of the mounting frame 13 is rotationally connected with a worm wheel 11, one end of the bag supporting arm 8 is fixed at the side edge of the worm wheel 11, the outer wall of the discharge hole 2 is rotationally connected with a worm 10 which is driven by the worm wheel 11, the worms 10 are annularly distributed, two ends of each worm 10 penetrate through the outer wall of the discharge hole 2, and the end faces of two adjacent worms 10 are connected with universal couplings 6;
in the scheme, the method comprises the following steps:
Through one of them worm 10 rotation, under the connected action of universal joint 6, realize that worm 10 of other positions is rotatory simultaneously, and then realize that it is rotatory with its driven worm wheel 11 drive bag arm 8 that props, promptly through the swing angle of controlling bag arm 8, can prop the automatic opening of wheat wrapping bag of different sack diameters to along with the increase of wheat weight in bag, prop bag arm 8 and continue to swing certain angle, increase with the frictional force of bag, prevent that the bag from droing because of gravity reason, consequently this scheme can select to prop the one end cover that bag arm 8 kept away from mounting bracket 13 and establish the rubber pad.
As shown in fig. 4: one inner side wall of the mounting frame 13 is fixedly connected with a torsion sensor 9, and the measuring end of the torsion sensor 9 is fixedly connected with one end of the worm wheel 11;
in the scheme, the method comprises the following steps:
The torque sensor 9 that sets up can be when worm wheel 11 rotates, through detecting torsion, judges the rotation angle of worm wheel 11 in real time, consequently be convenient for personnel control prop the swing angle of bag arm 8, prevent because the swing angle is too big, causes the wrapping bag sack to tear.
As shown in fig. 3: the low-pressure fan 1 is rotationally connected with a toothed ring 4 concentric with the discharge hole 2, and the toothed ring 4 and the low-pressure fan 1 are fixedly connected with a connecting shaft 12 for opening the wheat packaging bag mouth.
As shown in fig. 3: the annular array of the discharge hole 2 is fixedly connected with a plurality of electric telescopic rods 5 on the low-pressure fan 1, the telescopic ends of the electric telescopic rods 5 are fixedly connected with mounting seats 14, and the toothed ring 4 and one of the connecting shafts 12 are arranged on the mounting seats 14.
In addition: the mount 14 is fitted into the ring gear 4, and the cross section of the fitted portion is L-shaped.
In the scheme, the method comprises the following steps:
Then the electric telescopic rod 5 stretches to enable the mounting seat 14 at the telescopic end of the electric telescopic rod to drive the toothed rings 4 to move to the position that the end faces of the connecting shafts 12 are flush with the end faces of the discharge holes 2, the two connecting shafts 12 are inserted into the bag openings, the toothed rings 4 on the mounting seat 14 rotate to drive the connecting shafts 12 on the surfaces of the connecting shafts to rotate, one connecting shaft 12 rotates, people press the two sides of the bag openings by two hands and attach the mounting seat 14, the bag openings can be automatically opened under the action of the rotating connecting shafts 12 and form a round shape, then the electric telescopic rod 5 contracts to drive the mounting seat 14 and the toothed rings 4 to move and reset, so that the bag openings which are circularly opened are separated from the connecting shafts 12 and are automatically wrapped and covered on the periphery side of the discharge holes 2;
that is, the scheme is convenient for people to prop open the flat bag mouth and is sleeved on the discharge port 2.
As shown in fig. 3 and 4: a toothed ring 4 is fixedly connected to the axial surface of one worm 10, and a gear 7 meshed with the toothed ring 4 is rotatably connected to the discharge hole 2 and the mounting seat 14;
in the scheme, the method comprises the following steps:
The gear 7 is driven to rotate by installing a motor on the discharge hole 2 and the installation seat 14, so that the worm 10 and the toothed ring 4 on the installation seat 14 can be conveniently rotated.
As shown in fig. 2: the low-pressure fan 1 is provided with a bag supporting plate 3 which longitudinally ascends and descends relative to the discharge hole 2, and the outer wall of the low-pressure fan 1 is fixedly connected with an electric telescopic rod 5 for driving the bag supporting plate 3 to ascend and descend;
in the scheme, the method comprises the following steps:
The electric telescopic rod 5 stretches and contracts, so that the bag supporting plate 3 is convenient to lift, and even when the bag supporting plate is used, the height of the packaging bag can be properly reduced along with the increase of the wheat capacity in the packaging bag.
Working principle: the electric telescopic rod 5 on the periphery of the discharge hole 2 is stretched, the end faces of the connecting shafts 12 are flush with the end faces of the discharge hole 2, the two connecting shafts 12 are inserted into the bag opening, the toothed ring 4 on the mounting seat 14 rotates to drive the connecting shafts 12 on the surfaces of the connecting shafts to rotate, one connecting shaft 12 rotates, two hands of a person press the two sides of the bag opening and are attached to the mounting seat 14, the bag opening can be automatically opened under the action of the rotating connecting shafts 12 and is circular, then the electric telescopic rod 5 contracts, the mounting seat 14 and the toothed ring 4 are driven to move and reset, the bag opening which is circular to be opened is separated from the connecting shafts 12 and automatically wrapped and covered on the periphery of the discharge hole 2, the worm gears 11 which are driven by the worm gears 10 simultaneously rotate under the driving action of the universal coupling 6 until one end of the bag opening 8 is completely opened, and the bag opening is fixed through friction force.
The wiring diagrams of the electric telescopic rod 5, the universal coupling 6, the torsion sensor 9 and the motor in the present utility model belong to common knowledge in the art, and the working principle thereof is a known technology, and the model thereof is selected to be suitable according to the actual use, so that the control mode and wiring arrangement of the electric telescopic rod 5, the universal coupling 6, the torsion sensor 9 and the motor are not explained in detail.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (7)
1. A low pressure fan for wheat choice, including low pressure fan (1) and a plurality of bag arm (8) that prop that are used for propping open wheat wrapping bag sack, a plurality of prop bag arm (8) annular array setting is in discharge gate (2) department of low pressure fan (1), its characterized in that: the utility model discloses a bag opening device, including bag opening arm (8), discharge gate (2), support bag arm (8), discharge gate (2) outer wall is located the one end fixedly connected with mounting bracket (13) of one end fixedly connected with worm wheel (11) of supporting bag arm (8), support bag arm (8) one end fixed at the side of worm wheel (11), discharge gate (2) outer wall rotate be connected with worm (10) of worm wheel (11) driven, a plurality of worm (10) annular array distributes, and the both ends of worm (10) all run through discharge gate (2) outer wall, and the terminal surface of two adjacent worm (10) is connected with universal joint (6).
2. The low pressure fan for wheat finishing as set forth in claim 1, wherein: one inner side wall of the mounting frame (13) is fixedly connected with a torsion sensor (9), and the measuring end of the torsion sensor (9) is fixedly connected with one end of the worm wheel (11).
3. The low pressure fan for wheat finishing as set forth in claim 1, wherein: the low-pressure fan (1) is rotationally connected with a toothed ring (4) concentric with the discharge hole (2), and the toothed ring (4) and the low-pressure fan (1) are fixedly connected with a connecting shaft (12) for opening the wheat packaging bag mouth.
4. A low pressure fan for wheat finishing as claimed in claim 3, wherein: the low-pressure fan (1) is fixedly connected with a plurality of electric telescopic rods (5) around the annular array of the discharge hole (2), the telescopic ends of the electric telescopic rods (5) are fixedly connected with mounting seats (14), and the toothed ring (4) and one of the connecting shafts (12) are arranged on the mounting seats (14).
5. The low pressure fan for wheat finishing as set forth in claim 4, wherein: the mounting seat (14) is embedded on one side of the toothed ring (4), and the embedded part is L-shaped in cross section.
6. The low pressure fan for wheat finishing as set forth in claim 1, wherein: one of the worm (10) is fixedly connected with a toothed ring (4) on the axial surface, and the discharging hole (2) and the mounting seat (14) are both rotationally connected with a gear (7) which is meshed with the toothed ring (4).
7. The low pressure fan for wheat finishing as set forth in claim 1, wherein: the low-pressure fan (1) is provided with a bag supporting plate (3) which longitudinally ascends and descends relative to the discharge hole (2), and the outer wall of the low-pressure fan (1) is fixedly connected with an electric telescopic rod (5) which is used for driving the bag supporting plate (3) to ascend and descend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322524701.2U CN220974758U (en) | 2023-09-18 | 2023-09-18 | A low pressure fan for wheat is carefully chosen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322524701.2U CN220974758U (en) | 2023-09-18 | 2023-09-18 | A low pressure fan for wheat is carefully chosen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220974758U true CN220974758U (en) | 2024-05-17 |
Family
ID=91066934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322524701.2U Active CN220974758U (en) | 2023-09-18 | 2023-09-18 | A low pressure fan for wheat is carefully chosen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220974758U (en) |
-
2023
- 2023-09-18 CN CN202322524701.2U patent/CN220974758U/en active Active
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