1. The utility model provides a combustor air supply arrangement, its characterized in that, includes box (1) that admits air, it has seted up the through-hole to pass through on the box (1) that admits air for cylindric cavity box and the outer wall, the top of box (1) that admits air is through fixed frame (2) fixedly connected with servo motor (3), the output of servo motor (3) passes through shaft coupling (4) fixedly connected with axis of rotation (5), the axis of rotation (5) other end passes box (1) that admits air, fixed the cup jointing has toggle column (6) on the axle wall that axis of rotation (5) extended to box (1) one end that admits air, toggle column (6) and the inner wall of box (1) that admits air rotate and be connected, toggle column (6) bottom is the slope, the fixed intercommunication in bottom of box (1) that admits air has air guide sleeve (9), axis of rotation (5) pass the one end of toggling column (6) and extend to the inside of air guide sleeve (9), and one end of the rotating shaft (5) extending to the inside of the air guide sleeve (9) is fixedly connected with a fan blade (10), the outer wall of the air blowing sleeve (11) is fixedly connected with a plurality of air blowing sleeves (11) at equal intervals, the tops of the air blowing sleeves (11) are fixedly connected with the bottom of the air inlet box body (1), a piston plate (12) is connected inside the air blowing sleeve (11) in a sliding manner, a piston rod (14) is fixedly connected to the top of the piston plate (12), the other end of the piston rod (14) penetrates through the air inlet box body (1), and one end of the piston rod (14) extending to the interior of the air inlet box body (1) is fixedly connected with a transmission plate (15), the piston rod (14) is sleeved with a first spring (13), and two ends of the first spring (13) are fixedly connected with the piston plate (12) and the air inlet box body (1) respectively.

2. The burner air supply apparatus of claim 1, wherein: the air inlet sleeve (16) is fixedly communicated with the outer wall, away from one end of the air inlet box body (1), of the air blowing sleeve (11), a first sealing ring (17) is fixedly connected to the inner cylinder wall of the air inlet sleeve (16), one side, close to the air blowing sleeve (11), of the first sealing ring (17) is provided with a first supporting plate (18), a first fixing rod (19) is fixedly connected to the outer wall of the first supporting plate (18), the other end of the first fixing rod (19) is fixedly connected with the inner wall of the air inlet sleeve (16), a second spring (20) is fixedly connected to the plate wall, close to one side of the first sealing ring (17), of the first supporting plate (18), and a first sealing plate (21) is fixedly connected to the other end of the second spring (20).

3. The burner air supply apparatus of claim 1, wherein: an air guide sleeve (22) is fixedly communicated with the bottom of the air blowing sleeve (11), a second sealing ring (23) is fixedly connected to the inner cylinder wall of the air guide sleeve (22), a second supporting plate (24) is arranged on one side of the second sealing ring (23) far away from the air blowing sleeve (11), a second fixing rod (25) is fixedly connected to the outer plate wall of the second supporting plate (24), the other end of the second fixed rod (25) is fixedly connected with the inner cylinder wall of the air guide sleeve (22), a third spring (26) is fixedly connected on the plate wall of one side of the second supporting plate (24) close to the second sealing ring (23), the other end of the third spring (26) is fixedly connected with a second sealing plate (27), the bottom of the air guide sleeve (22) is fixedly communicated with an air supply box (28), and the bottom of the air supply box (28) is fixedly communicated with an air supply pipe (29).

4. The burner air supply apparatus of claim 1, wherein: the fixed frame (2) is fixedly sleeved on the outer wall of the servo motor (3), and the fixed frame (2) is fixedly connected with the top of the air inlet box body (1).

5. The burner air supply apparatus of claim 1, wherein: the servo motor (3) is electrically connected with an external power supply through a PLC controller.

6. The burner air supply apparatus of claim 1, wherein: stir fixed cover on the lateral wall of post (6) excircle side and have connect spacing ring (7), ring channel (8) have been seted up corresponding spacing ring (7) on the inner wall of inlet box body (1), ring channel (8) and spacing ring (7) phase-match set up, just spacing ring (7) rotate the inside of connecting in ring channel (8).

7. The burner air supply apparatus of claim 1, wherein: the side wall of the excircle side of the piston plate (12) is provided with a sealing groove in a surrounding manner, and a sealing ring is embedded in the sealing groove.

Background

The burner is a general term for a device for ejecting fuel and air in a certain manner to perform mixed combustion. The burners are classified into industrial burners, civil burners and special burners according to types and application fields. Among them, the industrial burner has a large volume and consumes a large amount of oxygen during combustion, and therefore requires a blower to supply outside air into the burner through a blower pipe. However, most of the existing air supply devices for the combustor are single, and the fan blades are driven by the motor to supply air when supplying air, because the wind power of the fan blades is insufficient when guiding the wind, the air supply effect is poor, when the wind power of the fan blades is large, the combustion of the combustor is influenced, and when the wind power is too large, air backflow can be caused, a large amount of hot air is contained in the backflow air, and the service life of the device can be greatly shortened.

Disclosure of Invention

The present invention is directed to a burner blower to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a burner air supply device comprises an air inlet box body, wherein the air inlet box body is a cylindrical hollow box body, a through hole is formed in the outer wall of the air inlet box body in a penetrating mode, the top of the air inlet box body is fixedly connected with a servo motor through a fixing rack, the output end of the servo motor is fixedly connected with a rotating shaft through a coupler, the other end of the rotating shaft penetrates through the air inlet box body, a toggle column is fixedly sleeved on the shaft wall of the rotating shaft extending to one end of the air inlet box body and is rotatably connected with the inner wall of the air inlet box body, the bottom of the toggle column is inclined, the bottom of the air inlet box body is fixedly communicated with an air guide sleeve, one end of the rotating shaft extending to the inside of the air guide sleeve penetrates through one end of the toggle column, a fan blade is fixedly connected to one end of the rotating shaft extending to the inside of the air guide sleeve, and a plurality of air blowing sleeves are fixedly connected to the outer wall of the air blowing sleeve at equal intervals, a plurality of the telescopic top of blast air all with the bottom fixed connection of air inlet box, the telescopic inside sliding connection of blast air has the piston board, the top fixedly connected with piston rod of piston board, the other end of piston rod passes the air inlet box, just the piston rod extends to the inside one end fixedly connected with driving plate of air inlet box, first spring has been cup jointed on the piston rod pole wall, the both ends of first spring respectively with piston board and air inlet box fixed connection.

Preferably, the air inlet sleeve is fixedly communicated with the outer wall, away from one end of the air inlet box, of the air inlet sleeve, a first sealing ring is fixedly connected to the inner cylinder wall of the air inlet sleeve, a first supporting plate is arranged on one side, close to the air inlet sleeve, of the first sealing ring, a first fixing rod is fixedly connected to the outer wall of the first supporting plate, the other end of the first fixing rod is fixedly connected to the inner wall of the air inlet sleeve, a second spring is fixedly connected to the plate wall, close to one side of the first sealing ring, of the first supporting plate, and a first sealing plate is fixedly connected to the other end of the second spring.

Preferably, the bottom of the air blowing sleeve is fixedly communicated with an air guide sleeve, a second sealing ring is fixedly connected to the inner cylinder wall of the air guide sleeve, a second supporting plate is arranged on one side, away from the air blowing sleeve, of the second sealing ring, a second fixing rod is fixedly connected to the outer plate wall of the second supporting plate, the other end of the second fixing rod is fixedly connected to the inner cylinder wall of the air guide sleeve, a third spring is fixedly connected to the plate wall, close to one side of the second sealing ring, of the second supporting plate, the other end of the third spring is fixedly connected to a second sealing plate, the bottom of the air guide sleeve is fixedly communicated with an air supply box, and the bottom of the air supply box is fixedly communicated with an air supply pipe.

Preferably, the fixed rack is fixedly sleeved on the outer wall of the servo motor and fixedly connected with the top of the air inlet box body.

Preferably, the servo motor is electrically connected with an external power supply through a PLC controller.

Preferably, the side wall of the excircle side of the toggle column is fixedly sleeved with a limiting ring, the inner wall of the air inlet box body is provided with a ring groove corresponding to the limiting ring, the ring groove is matched with the limiting ring, and the limiting ring is rotatably connected inside the ring groove.

Preferably, the side wall of the excircle side of the piston plate is provided with a sealing groove in a surrounding manner, and the sealing ring is embedded in the sealing groove.

Compared with the prior art, the invention has the beneficial effects that: the stirring column in the air inlet box is driven to rotate through the servo motor, the stirring column can drive a piston plate at the tail end of a piston rod to do piston motion in the air blowing sleeve through a transmission plate when rotating, the piston plate can discharge air in the air blowing sleeve to the inside of the air blowing box along the air guide sleeve when moving towards the direction of the air blowing box and discharge the air to the air blowing box through an air supply pipe, the traditional fan blade air guide replacement is replaced by a piston type air supply mode, the air guide quantity can be effectively made to be large, the influence on combustion of a combustor can not be caused, the air blowing box and the air guide sleeve can be arranged through the air guide sleeve, hot air backflow can be effectively prevented, meanwhile, the rotating shaft can also drive the fan blade to rotate in the inside of the air guide sleeve when driving the stirring column to rotate, the fan blade can drive air circulation, and the heat of the device can be effectively dissipated.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of a portion B of FIG. 1 in accordance with the present invention;

FIG. 5 is a cross-sectional view taken in the direction of C-C of FIG. 2 in accordance with the present invention;

fig. 6 is a schematic structural view of the toggle column of the present invention.

In the figure: 1. an air inlet box body; 2. fixing the frame; 3. a servo motor; 4. a coupling; 5. a rotating shaft; 6. shifting the column; 7. a limiting ring; 8. an annular groove; 9. an air guide sleeve; 10. a fan blade; 11. a blower sleeve; 12. a piston plate; 13. a first spring; 14. a piston rod; 15. a drive plate; 16. an air intake sleeve; 17. a first seal ring; 18. a first support plate; 19. a first fixing lever; 20. a second spring; 21. a first sealing plate; 22. an air guide sleeve; 23. a second seal ring; 24. a second support plate; 25. a second fixing bar; 26. a third spring; 27. a second sealing plate; 28. an air supply box; 29. and an air supply pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a burner air supply device comprises an air inlet box body 1, wherein the air inlet box body 1 is a cylindrical hollow box body, a through hole is formed in the outer wall of the air inlet box body 1 in a penetrating mode, a servo motor 3 is fixedly connected to the top of the air inlet box body 1 through a fixing rack 2, the output end of the servo motor 3 is fixedly connected with a rotating shaft 5 through a coupler 4, the other end of the rotating shaft 5 penetrates through the air inlet box body 1, a toggle column 6 is fixedly sleeved on the shaft wall of one end, extending to the air inlet box body 1, of the rotating shaft 5, the toggle column 6 is rotatably connected with the inner wall of the air inlet box body 1, the bottom of the toggle column 6 is inclined, an air guide sleeve 9 is fixedly communicated with the bottom of the air inlet box body 1, one end, extending to the inside of the air guide sleeve 9, of the rotating shaft 5 penetrates through the toggle column 6, and a fan blade 10 is fixedly connected to one end, extending to the inside of the air guide sleeve 9, the air-blowing device is characterized in that a plurality of air-blowing sleeves 11 and a plurality of air-blowing sleeves 11 are fixedly connected to the outer wall of the air-blowing sleeve 11 at equal intervals, the tops of the air-blowing sleeves 11 are fixedly connected with the bottom of an air inlet box body 1, a piston plate 12 is slidably connected to the inside of the air-blowing sleeves 11, a piston rod 14 is fixedly connected to the top of the piston plate 12, the other end of the piston rod 14 penetrates through the air inlet box body 1, the piston rod 14 extends to one end of the inside of the air inlet box body 1 and is fixedly connected with a transmission plate 15, a first spring 13 is sleeved on the rod wall of the piston rod 14, and two ends of the first spring 13 are fixedly connected with the piston plate 12 and the air inlet box body 1 respectively.

An air inlet sleeve 16 is fixedly communicated with the outer wall of one end of the air blowing sleeve 11 far away from the air inlet box body 1, a first sealing ring 17 is fixedly connected on the inner cylinder wall of the air inlet sleeve 16, a first supporting plate 18 is arranged on one side of the first sealing ring 17 close to the air blowing sleeve 11, a first fixing rod 19 is fixedly connected to the outer wall of the first supporting plate 18, the other end of the first fixing rod 19 is fixedly connected with the inner wall of the air inlet sleeve 16, a second spring 20 is fixedly connected to the wall of the first support plate 18 close to the first sealing ring 17, the other end of the second spring 20 is fixedly connected with a first sealing plate 21, the first sealing plate 21 can be jointed with the first sealing ring 17 under the action of the elastic force of the second spring 20, so that the air inlet sleeve 16 forms a check valve that can only deliver the outside air to the inside of the blower sleeve 11, but the air inside the blower sleeve 11 is not discharged along the air inlet sleeve 16.

An air guide sleeve 22 is fixedly communicated with the bottom of the air blowing sleeve 11, a second sealing ring 23 is fixedly connected to the inner cylinder wall of the air guide sleeve 22, a second supporting plate 24 is arranged on one side, away from the air blowing sleeve 11, of the second sealing ring 23, a second fixing rod 25 is fixedly connected to the outer plate wall of the second supporting plate 24, the other end of the second fixing rod 25 is fixedly connected to the inner cylinder wall of the air guide sleeve 22, a third spring 26 is fixedly connected to the plate wall, close to the second sealing ring 23, of the second supporting plate 24, a second sealing plate 27 is fixedly connected to the other end of the third spring 26, an air supply box 28 is fixedly communicated with the bottom of the air guide sleeve 22, an air supply pipe 29 is fixedly communicated with the bottom of the air supply box 28, and the second sealing plate 27 can be attached to the second sealing ring 23 under the elastic force of the third spring 26, so that the air guide sleeve 22 also forms a one-way valve, air in blower sleeve 11 can only be discharged to the inside of blower case 28, but air in blower case 28 does not flow back to the inside of blower sleeve 11.

The fixed frame 2 is fixedly sleeved on the outer wall of the servo motor 3, and the fixed frame 2 is fixedly connected with the top of the air inlet box body 1, so that the servo motor 3 is more convenient to disassemble and assemble.

Servo motor 3 passes through PLC controller and external power supply electric connection, TB6600 type PLC controller can effectual control servo motor 3's rotational speed and turn to, can effectually ensure servo motor 3 normal boot.

Stir 6 fixed cover of post and have connect spacing ring 7 on the lateral wall of excircle side, correspond spacing ring 7 on the inner wall of box 1 that admits air and seted up ring channel 8, ring channel 8 sets up with 7 phase-matchs of spacing ring, just spacing ring 7 rotates to be connected in the inside of ring channel 8, and spacing ring 7 can be so that stir post 6 more stable when the interior top of box 1 that admits air rotates.

The side wall of the excircle side of the piston plate 12 is provided with a sealing groove in a surrounding manner, a sealing ring is embedded in the sealing groove, and the sealing ring can enable the sealing property between the piston plate 12 and the inner wall of the air blowing sleeve 11 to be better.

Specifically, when the invention is used, one end of the blast pipe 29 far away from the blast box 28 is connected with an air inlet pipe of a burner, the servo motor 3 is started, the servo motor 3 can drive the rotating shaft 5 to rotate when being started, the rotating shaft 5 can drive the toggle column 6 and the fan blades 10 to rotate simultaneously when rotating, the toggle column 6 can drive the piston plate 12 at the tail end of the piston rod 14 to do piston motion in the blast sleeve 11 through the transmission plate 15 when rotating, the piston plate 12 is pulled to the direction close to the air inlet box body 1 by the tension of the first spring 13 when in the initial state, the piston plate 12 can discharge the air in the blast sleeve 11 to the interior of the blast box 28 along the air guide sleeve 9 and the interior of the burner by the blast pipe 29 when the piston plate 12 moves towards the direction of the blast box 28, when the piston plate 12 is reset under the tension of the first spring 13, make the inside of blast air sleeve 11 produce the negative pressure, outside air will promote first closing plate 21 and the separation of first sealing ring 17 for blast air sleeve 11 is full of the air again, and the inside of air reflux to blast air sleeve 11 in the air supply case 28 can effectually be prevented to second closing plate 27 in the air guide sleeve 22, and flabellum 10 can drive the circulation of air when the inside of air guide sleeve 9 is rotated, can effectually dispel the heat to the device.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element 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.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.