CN117102040A - Air quantity regulating valve and air quantity adjustable air duct - Google Patents
Air quantity regulating valve and air quantity adjustable air duct Download PDFInfo
- Publication number
- CN117102040A CN117102040A CN202311388789.8A CN202311388789A CN117102040A CN 117102040 A CN117102040 A CN 117102040A CN 202311388789 A CN202311388789 A CN 202311388789A CN 117102040 A CN117102040 A CN 117102040A
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- China
- Prior art keywords
- air
- air duct
- air quantity
- air volume
- driving
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 44
- 238000007664 blowing Methods 0.000 claims abstract description 31
- 238000009423 ventilation Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 9
- 241000883990 Flabellum Species 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
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- Air-Flow Control Members (AREA)
Abstract
The invention provides an air quantity regulating valve and an air quantity-adjustable air duct, relates to the technical field of air separators, and solves the problem that the air quantity of an air duct is difficult to control in a large range because the air quantity can be regulated in a small range by using conventional air blowing equipment. The air volume adjusting valve comprises: a drive assembly; the fan blade is in transmission connection with the driving assembly, the driving assembly drives the fan blade to rotate in the air duct, and air quantity adjustment is achieved by changing the ventilation sectional area of the air duct. According to the scheme, the air speed, the air quantity and the air blowing angle of the air blowing port can be adjusted by controlling the air quantity adjusting valve, so that the ventilation quantity of the air channel can be adjusted in a large range.
Description
Technical Field
The invention relates to the technical field of air separators, in particular to an air quantity regulating valve and an air quantity adjustable air duct.
Background
The air separator is one kind of equipment for separating material with airflow and its operation principle is to utilize the inertia of high speed airflow and the density of different material to separate the material into heavy material and light material. The high-speed air flow is blown into the winnowing machine through an air duct by blower equipment such as a blower, and in order to adapt to blowing of different types of materials, the blowing air quantity of the blower equipment is controlled, so that the control of the winnowing air flow is realized. But the control of the air blowing equipment can only adjust the ventilation quantity of the air channel in a small range, and the ventilation quantity of the air channel is difficult to realize large-range adjustment due to the structure of the air channel.
Disclosure of Invention
The invention aims to solve the technical problems of providing an air quantity regulating valve and an air quantity adjustable air channel, and the scheme of the invention realizes large-scale regulation of the air quantity of the air channel by controlling the air quantity regulating valve, thereby solving the problems that the air quantity of the air channel is difficult to realize large-scale regulation only by using the conventional air blowing equipment.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an air volume adjusting valve, comprising:
a drive assembly;
the fan blade is in transmission connection with the driving assembly, the driving assembly drives the fan blade to rotate in the air duct, and air quantity adjustment is achieved by changing the ventilation sectional area of the air duct.
Optionally, the driving assembly includes:
driving a screw;
a connecting rod fixedly connected with the driving screw; and
the connecting part is hinged to the connecting rod, and the fan blade is fixedly arranged on the connecting part;
the driving screw provides driving force along the axial direction of the driving screw, and the driving force enables the connecting rod to reciprocate along the axial direction of the driving screw and drives the connecting part to drive the fan blades to rotate.
Optionally, the connecting portion includes:
the connecting plate is in transmission connection with the connecting rod;
and the rotating shaft is fixedly connected with the connecting plate, is fixedly connected with the fan blades and is rotatably arranged on the air duct.
Optionally, the connecting rod is provided with a oblong hole, and the extending direction of the oblong hole is perpendicular to the direction of the driving force;
the tail end of the connecting plate is hinged in the oblong hole and moves in the oblong hole under the driving of the driving force so as to drive the rotating shaft to rotate.
Optionally, the air quantity adjusting valve further includes:
the mounting bracket is provided with an internal thread block, and the driving screw is spirally arranged on the internal thread block and can reciprocate along the internal thread block.
An adjustable air quantity type air duct, wherein at least two air quantity regulating valves are arranged in the air duct, and the air quantity regulating valves are the air quantity regulating valves.
Optionally, the at least two air volume adjusting valves comprise a first air volume adjusting valve, a second air volume adjusting valve and a third air volume adjusting valve, the first air volume adjusting valve is located at an air duct inlet, and the second air volume adjusting valve and the third air volume adjusting valve are located at an air duct blowing port respectively.
Optionally, an air outlet is further arranged below the air duct inlet, and the first air quantity regulating valve is located between the air duct inlet and the air outlet.
Optionally, the second air volume adjusting valve and the third air volume adjusting valve are oppositely arranged at the air blowing port of the air duct along the extending direction of the air duct;
the second air quantity regulating valve and the third air quantity regulating valve are matched and changed in an independent regulating mode, a synchronous homodromous regulating mode and a regulating mode that the second air quantity regulating valve and the third air quantity regulating valve are close to each other or far away from each other, so that the ventilation cross section area and the ventilation angle of the air channel air inlet are changed.
Optionally, the longitudinal section of the air duct is square.
The scheme of the invention at least comprises the following beneficial effects:
1) The air duct is provided with three regulating valves, one regulating valve is positioned at the inlet of the air duct, and the air inlet of the air duct is regulated, so that the redundant air quantity can be discharged; the two regulating valves are positioned at the air blowing port of the air duct, and the air speed, the air quantity and the air blowing angle of the air blowing port can be regulated through the cooperation of the two regulating valves;
2) The regulating valve can be manually regulated, and the air quantity and the air speed can be regulated by changing the ventilation sectional area of the air duct, so that the operation is simple and convenient;
3) The connecting rod of the regulating valve is provided with a slotted hole, the connecting plate moves in the slotted hole to drive the fan blade to rotate, and air quantity is regulated.
Drawings
Fig. 1 is a schematic perspective view of an air volume control valve according to an embodiment of the present invention;
fig. 2 is a structural front view of an air quantity adjusting valve according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a connecting rod of an air quantity adjusting valve according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an air volume control valve mounting bracket according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a structure of an air volume-adjustable air duct according to an embodiment of the present invention;
wherein, 1, connecting rod; 2. a connecting plate; 21. a hinge shaft; 3. a fan blade; 4. a rotating shaft; 5. a drive handle; 6. driving a screw; 7. a mounting bracket; 8. a slotted hole; 9. an internal thread block; 10. a nut; 11. an air duct inlet; 12. an air duct blowing port; 131. a first air volume adjusting valve; 132. a second air quantity regulating valve; 133. and a third air quantity regulating valve.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1 and 2, an embodiment of the present invention proposes an air volume adjusting valve, including: a drive assembly; the fan blade 3 is in transmission connection with the driving component, the driving component drives the fan blade 3 to rotate in the air duct, the working surface of the fan blade 3 and the longitudinal section of the air duct form an included angle of-90 degrees to 90 degrees, namely, the air quantity adjustment is realized by changing the ventilation sectional area of the air duct
In this embodiment, the air quantity control valve includes drive assembly and flabellum 3, flabellum 3 and drive assembly are the transmission and are connected, and flabellum 3 can rotate in the wind channel under drive assembly's drive, when flabellum 3 rotates to the position with the wind channel vertically, i.e. the working face of flabellum 3 is 90 degrees with the longitudinal section of wind channel, the ventilation cross-section of wind channel is minimum this moment, the air quantity of wind channel is minimum, when flabellum 3 rotates gradually to the position with the wind channel slope, the air quantity of wind channel also increases gradually, until flabellum 3 is parallel with the wind channel, i.e. the working face of flabellum 3 is 0 degrees with the longitudinal section of wind channel, the ventilation cross-section of wind channel is the biggest, the air quantity of wind channel also reaches the biggest. In practical use, the fan blade 3 can rotate 180 degrees bidirectionally.
According to the technical scheme, the air quantity adjusting valve is controlled to realize large-scale adjustment of the air quantity of the air channel, so that the problems that the air quantity of the air channel can be adjusted only in a small range and the air quantity of the air channel is difficult to realize large-scale adjustment when the air quantity adjusting valve is controlled to the air blowing equipment are solved.
As further shown in fig. 1 and 2, an alternative embodiment of the present invention, the driving assembly includes: a drive handle 5; the driving handle 5 is fixedly connected with the driving screw rod 6, and the driving screw rod 6 is driven by the driving handle 5 to rotate along the axis of the driving screw rod 6 under the action of external force; a connecting rod 1 fixedly connected with the driving screw 6; and the connecting part is hinged to the connecting rod 1 and is fixedly connected with the fan blade 3. The driving screw 6 provides driving force along the axial direction of the driving screw 6, and the driving force enables the connecting rod 1 to reciprocate along the axial direction of the driving screw 6 together with the driving screw 6 and drives the connecting part to drive the fan blades 3 to rotate.
In this embodiment, the driving handle 5 is fixedly installed at the end of the driving screw 6 and is coaxially disposed with the driving screw 6, the driving handle 5 is rotated by an external force along the tangential direction of the driving handle 5, and the driving handle 5 drives the driving screw 6 to rotate, so that the design is labor-saving and convenient for the operation of the staff; when the air duct ventilation device is used, a worker rotates the driving handle 5, the driving handle 5 drives the driving screw 6 to rotate, the driving screw 6 drives the connecting rod 1 to reciprocate along the axis of the driving screw, and finally the connecting rod 1 drives the connecting part to drive the fan blades 3 to rotate, so that the included angle between the working surface of the fan blades 3 and the longitudinal section of the air duct is changed, the ventilation sectional area of the air duct is adjusted, and the air duct ventilation quantity is adjusted in a large range.
As shown in fig. 1 and 2, in an alternative embodiment of the present invention, the connection portion includes: the connecting plate 2 is in transmission connection with the connecting rod 1; the rotating shaft 4 is fixedly connected with the connecting plate 2, and the rotating shaft 4 is fixedly connected with the fan blades 3 and rotatably arranged on the air duct; a nut 10 is fixedly arranged on the connecting rod 1, and the nut 10 is fixedly connected with the tail end of the driving screw rod 6 through threads; a slotted hole 8 is formed in the connecting rod 1, and the extending direction of the slotted hole 8 is perpendicular to the direction of the driving force; the driving screw 6 drives the connecting rod 1 to reciprocate through the nut 10, and the tail end of the connecting plate 2 is hinged in the oblong hole 8 and moves in the oblong hole 8 under the driving of the driving force so as to drive the rotating shaft 4 to rotate.
As can be seen from fig. 1 and 3, the end of the connection plate 2 may be provided in the form of a hinge shaft 21, which hinge shaft 21 is mounted in the oblong hole 8, the hinge shaft 21 being perpendicular to the connection plate 2, while the connection plate 2 is perpendicular to the rotation shaft 4, and the axis of the hinge shaft 21 being offset with respect to the axis of the rotation shaft 4.
In this embodiment, when the driving handle 5 drives the driving screw 6 to rotate, the driving screw 6 and the internal thread block 9 move relatively so that the driving screw 6 also generates linear reciprocating motion while rotating; the connecting rod 1 is provided with a nut 10, and the tail end of the driving screw rod 6 is fixedly matched with the nut 10, so that the linear motion of the driving screw rod 6 drives the connecting rod 1 to reciprocate; the connecting rod 1 is provided with a slotted hole 8, the connecting plate 2 of the rotating shaft 4 is hinged to the slotted hole 8, a driving force in the same direction as the reciprocating motion is generated for the connecting plate 2 when the connecting rod 1 reciprocates, the connecting plate 2 is fixedly connected with the rotating shaft 4, and the rotating shaft 4 is rotatably arranged on the air duct, so that the tail end of the connecting plate 2 moves in the slotted hole 8 under the action of the driving force, the connecting plate 2 rotates around the axis of the rotating shaft 4, and then the fan blades 3 fixedly connected with the rotating shaft 4 are driven to synchronously rotate.
As shown in fig. 4, an air volume adjusting valve according to an embodiment of the present invention further includes: the mounting bracket 7, the mounting bracket 7 can be installed on equipment housing (for example, the housing of wind channel), be equipped with internal thread piece 9 on the mounting bracket 7, drive screw 6 spiral install in internal thread piece 9.
In the embodiment, the installation bracket 7 is arranged on the equipment shell, so that the air quantity regulating valve can be fixedly installed on the air duct; the mounting bracket 7 is provided with an internal thread block 9, and the driving screw 6 is spirally arranged on the internal thread block 9, so that the stability of the driving screw 6 during movement can be improved.
As shown in fig. 5, in an adjustable air volume type air duct according to an embodiment of the present invention, a first air volume adjusting valve 131, a second air volume adjusting valve 132 and a third air volume adjusting valve 133 are disposed in the air duct, wherein the first air volume adjusting valve 131 is located at an air duct inlet 11, and the second air volume adjusting valve 132 and the third air volume adjusting valve 133 are respectively located at an air duct blowing port 12; an air outlet is further arranged below the air channel inlet 11, the first air quantity adjusting valve 131 is located between the air channel inlet 11 and the air outlet, and the second air quantity adjusting valve 132 and the third air quantity adjusting valve 133 are oppositely arranged at the air channel air blowing port 12.
In this embodiment, the air channel inlet 11 is the connection between the blower such as the blower and the air channel, and the air channel air blowing opening 12 is the air channel end, and the air stream is blown out from the air channel end to purge the material. The air outlet is further formed below the air channel inlet 11, the first air quantity adjusting valve 131 is located between the air channel inlet 11 and the air outlet, the first air quantity adjusting valve 131 not only adjusts the air quantity entering the air channel, but also can discharge redundant air flow from the air outlet. Specifically, the first air volume adjusting valve 131 adjusts the opening degrees of the air outlet and the air duct inlet 11 by driving the rotating shaft 4 to rotate, for example, if the air outlet is completely blocked by the first air volume adjusting valve 131, the air flow from the blower device completely enters the air duct; the first air quantity regulating valve 131 completely seals the air duct, so that air flow from the blower device completely enters the air outlet and is discharged; the first air volume adjusting valve 131 opens the air duct partially, and then a part of the air flow from the blower enters the air duct and a part of the air flow is discharged from the air outlet.
At the air duct air blowing port 12, the second air quantity regulating valve 132 and the third air quantity regulating valve 133 are matched to regulate the sectional area of the air duct air blowing port, so that the speed and the flow of air flow for blowing materials are regulated, and blowing of different materials is realized. Specifically, the second air volume adjusting valve 132 and the third air volume adjusting valve 133 are disposed opposite to each other along the extending direction of the duct at the air duct blowing port 12 and are rotatable about respective rotation axes, and both are adapted to change the ventilation cross-section and the injection angle of the air duct blowing port 12 in a single independent adjustment, a synchronous homodromous adjustment, and an adjustment manner of approaching or separating from each other; the second air volume adjusting valve 132 and the third air volume adjusting valve 133 can operate independently of each other, i.e., one does not act, and the other is adjusted, so that both can synchronously rotate in the same direction to change the blowing angle, and also can rotate close to each other or away from each other to change the sectional area; as the blades of the second air volume adjusting valve 132 and the third air volume adjusting valve 133 rotate, the cross-sectional area and the blowing angle of the air duct blowing port 12 can be changed, thereby changing the speed and the blowing angle of the air flow.
The longitudinal section of the air duct is a square section, and the air duct is directly in butt joint with the fan, so that the manufacturing cost is reduced.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (7)
1. An air volume adjusting valve, comprising:
a drive assembly;
the fan blade (3) is in transmission connection with the driving assembly, the driving assembly drives the fan blade (3) to rotate in the air duct, and the air quantity is adjusted by changing the ventilation sectional area of the air duct;
the drive assembly includes:
a drive screw (6);
a connecting rod (1) fixedly connected with the driving screw (6); and
the connecting part is hinged to the connecting rod (1), and the fan blade (3) is fixedly arranged on the connecting part;
the driving screw (6) provides driving force along the axis direction of the driving screw, and the driving force enables the connecting rod (1) to reciprocate along the axis direction of the driving screw (6) and drives the connecting part to drive the fan blade (3) to rotate;
the connection part includes:
the connecting plate (2) is in transmission connection with the connecting rod (1);
a rotating shaft (4) fixedly connected with the connecting plate (2), wherein the rotating shaft (4) is fixedly connected with the fan blades (3) and rotatably arranged on the air duct;
the connecting rod (1) is provided with a slotted hole (8), and the extending direction of the slotted hole (8) is perpendicular to the direction of the driving force;
the tail end of the connecting plate (2) is hinged in the oblong hole (8) and moves in the oblong hole (8) under the driving of the driving force so as to drive the rotating shaft (4) to rotate.
2. The air volume damper valve according to claim 1, further comprising:
the mounting bracket (7), be equipped with internal thread piece (9) on the mounting bracket (7), drive screw (6) spiral install in internal thread piece (9), and can follow internal thread piece (9) reciprocating motion.
3. An adjustable air quantity type air flue, which is characterized in that at least two air quantity regulating valves are arranged in the air flue, and the air quantity regulating valves are the air quantity regulating valves in any one of claims 1 to 5.
4. A variable air volume air duct according to claim 3, characterized in that the at least two air volume control valves comprise a first air volume control valve (131), a second air volume control valve (132) and a third air volume control valve (133), the first air volume control valve (131) being located at the air duct inlet (11), the second air volume control valve (132) and the third air volume control valve (133) being located at the air duct blowing opening (12), respectively.
5. The air quantity adjustable air duct according to claim 4, wherein an air outlet is further arranged below the air duct inlet (11), and the first air quantity adjusting valve (131) is located between the air duct inlet (11) and the air outlet.
6. The air volume adjustable air duct according to claim 4, wherein the second air volume adjusting valve (132) and the third air volume adjusting valve (133) are oppositely arranged along the extending direction of the air duct at the air duct blowing port (12);
the second air quantity regulating valve (132) and the third air quantity regulating valve (133) are matched and changed in an independent regulating mode, a synchronous homodromous regulating mode and a regulating mode of mutually approaching or mutually separating, so that the ventilation cross section and the blowing angle of the air channel blowing port (12) are changed.
7. A variable air volume air duct according to claim 3, wherein the air duct has a square longitudinal cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311388789.8A CN117102040A (en) | 2023-10-25 | 2023-10-25 | Air quantity regulating valve and air quantity adjustable air duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311388789.8A CN117102040A (en) | 2023-10-25 | 2023-10-25 | Air quantity regulating valve and air quantity adjustable air duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117102040A true CN117102040A (en) | 2023-11-24 |
Family
ID=88807828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311388789.8A Pending CN117102040A (en) | 2023-10-25 | 2023-10-25 | Air quantity regulating valve and air quantity adjustable air duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117102040A (en) |
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