CN110963280A

CN110963280A - Buffering air lock

Info

Publication number: CN110963280A
Application number: CN201911299860.9A
Authority: CN
Inventors: 刘帅; 席迎宾; 田永生
Original assignee: Datang Yuncheng Power Generation Co Ltd
Current assignee: Datang Yuncheng Power Generation Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-04-07

Abstract

The invention belongs to the field of buffer air locks, in particular to a buffer air lock, which aims at solving the problems of low disassembly and assembly efficiency and short service life of the existing buffer air lock and provides the following scheme: the buffering air-lock device comprises a buffering air-lock device body, a material conveying pipeline and impeller blades arranged on the buffering air-lock device body, wherein mounting blades are welded on the outer sides of the impeller blades, a dust removing brush is arranged on the mounting blades, a first nut is welded on the outer surface of one side, far away from the dust removing brush, of the mounting blades, a hexagonal bolt matched with the first nut is arranged on the dust removing brush, a connecting mechanism is arranged between the buffering air-lock device body and the material conveying pipeline, the connecting mechanism comprises a first base body and a second base body, and first bulges are arranged at two ends of the first base body.

Description

Buffering air lock

Technical Field

The invention relates to the technical field of buffer air locks, in particular to a buffer air lock.

Background

The buffering air lock is by taking parts such as check room rotary impeller, organism and novel cycloid pinwheel gear reducing motor to constitute, and its principle is: when the impeller is driven by the transmission mechanism to rotate in the machine body, powder and particle materials falling from the upper separator (or the hopper) enter the impeller grid chamber from the feeding port and are conveyed to the discharging port to be discharged along with the rotation of the impeller, and the continuous quantitative feeding and discharging can be realized in the whole working process.

The prior buffer air lock device has at least the following disadvantages when in use: firstly, the connection between the buffer air locking device and the material conveying pipeline is realized through the hexagon bolt and the hexagon nut, and in order to enable the connection between the buffer air locking device and the material conveying pipeline to be more compact and stable, a large number of hexagon bolts and nuts are used, so that the whole installation and disassembly process wastes a large amount of time, and the disassembly and assembly efficiency is low; secondly, the distance between the impeller blades in the buffer air locker and the inner cavity wall is small, when aggregate particles with large volume pass through a gap between the impeller blades and the inner cavity wall, the impeller blades and the inner cavity wall are seriously abraded, the buffer air locker is damaged after being used for a long time, and the service life of the buffer air locker is shortened; therefore, we propose a buffer airlock.

Disclosure of Invention

The invention provides a buffering air lock, which solves the problems of low disassembly and assembly efficiency and short service life of the existing buffering air lock.

In order to achieve the purpose, the invention adopts the following technical scheme:

a buffering air locker comprises a buffering air locker body, a material conveying pipeline and an impeller blade arranged on the buffering air locker body, wherein an installation blade is welded at the outer side of the impeller blade, a dust removing brush is arranged on the installation blade, a first nut is welded on the outer surface of one side, away from the dust removing brush, of the installation blade, a hexagon bolt matched with the first nut is arranged on the dust removing brush, a connecting mechanism is arranged between the buffering air locker body and the material conveying pipeline and comprises a first seat body and a second seat body, first bulges are arranged at the two ends of the first seat body, second bulges are arranged at the two ends of the second seat body, a tightening mechanism is arranged at one side of the first bulges, two fixed blocks are welded on the outer surface of one side, away from the first bulges, of the second bulges, a fixed shaft is arranged between the two fixed blocks, and a first sleeve is movably sleeved on the fixed shaft, the second bulge is provided with a first through groove, the first bulge is provided with a second through groove, the outer surface of one side of the first bulge, which is far away from the second bulge, is provided with a groove, the first sleeve is welded with a screw rod, the screw rod is in threaded connection with a second nut, the outer side surface of the second nut is welded with four splicing columns, the screw rod is sleeved with lantern rings, the feed inlet and the discharge outlet of the buffer air locker body are both welded with a first annular disc, one end of the material conveying pipeline, which is close to the buffer air locker body, is welded with a second annular disc, the edges of two separated side surfaces of the first annular disc and the second annular disc are both provided with conical surface grooves, two separated side surfaces of the first annular disc and the second annular disc are both provided with two key grooves, a pressing rod is welded between the two lantern rings, the outer side surface of the first seat body is provided with an, and be provided with compression spring between the arc plate compression bar, be provided with the rubber packing ring between first annular dish and the second annular dish, the inclined plane clamp groove has all been seted up on two mutually opposite sides of first pedestal and second pedestal, the internal surface welding of inclined plane clamp groove has with keyway assorted navigation key, the inside of the lantern ring is provided with the third nut, and the third nut screw thread cup joints on the screw rod, the third nut passes through bearing movable mounting in the inside of the lantern ring, the one end welded connection of third nut has the hexagon head.

Preferably, tightening mechanism includes first handle pole and second handle pole, and the one end swing joint of hinge and second handle pole is passed through to the one end of first handle pole, the other end of first handle pole has cup jointed the second sleeve pipe, and the sheathed tube lateral surface welding of second has two elastic clamping pieces, the other end of second handle pole is located between two elastic clamping pieces, the spliced eye has been seted up to the other end surface of first handle pole.

Preferably, the hexagon bolt penetrates through the dust removing brush and the mounting piece, the first nut is in threaded connection with the hexagon bolt, and a gasket is arranged between the hexagon bolt and the dust removing brush.

Preferably, the diameter of the cross section of the screw is smaller than the width of the first through groove, and the width of the first through groove is equal to the width of the second through groove.

Preferably, the middle part of the compressing rod is welded with a circular plate, and two ends of the compression spring are respectively and fixedly connected with the circular plate and the arc-shaped plate through spring seats.

Preferably, the middle part of the hexagonal head is provided with a through hole, the aperture of the through hole is larger than the diameter of the cross section of the screw rod, and the screw rod penetrates through the through hole.

Preferably, the four insertion columns are uniformly distributed on the outer side surface of the second nut, the diameter of the cross section of each insertion column is equal to the aperture of each insertion hole, and the outer side surface of each insertion column is symmetrically provided with two vent grooves along the axial direction.

Preferably, the inner surfaces of the two conical surface grooves are respectively attached to two opposite inner wall surfaces of the inclined surface clamping groove, and the inner surfaces of the inclined surface clamping groove and the inner surfaces of the conical surface grooves are smooth surfaces.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through arranging the first seat body, the second seat body, the first bulge, the second bulge, the tightening mechanism, the fixing block, the fixing shaft, the first sleeve, the first through groove, the second through groove, the screw rod, the second nut, the insertion column, the first annular disc, the second annular disc, the conical surface groove, the key groove, the rubber gasket, the inclined surface clamping groove and the positioning key, the horizontal clamping force of the first seat body and the second seat body which are drawn together towards the middle is converted into the clamping force in the vertical direction by utilizing the matching of the conical surface groove and the inclined surface clamping groove, so that the first annular disc and the second annular disc are fixedly installed together, the connection of the buffering air locking device and the material conveying pipeline is realized, the integral operation is simple, and the actual dismounting efficiency is improved.

2. According to the invention, by arranging the mounting piece, the dust removing brush, the first nut and the hexagon bolt, the dust removing brush with soft texture can play a role in blocking materials, so that stable conveying of the materials is facilitated, a channel can be provided for large-volume particle aggregates, abrasion between the impeller blade and the inner cavity wall is reduced, and the service life of the buffer air locker is prolonged.

3. According to the invention, by arranging the lantern ring, the pressing rod, the arc-shaped plate, the compression spring, the third nut, the hexagonal head and the bearing, a safety can be added to the first base body and the second base body after the installation is completed, the situation that the second nut is loosened and the connection mechanism is scattered directly is avoided, and the safety performance is obviously improved.

4. According to the invention, the first handle rod, the second handle rod, the hinge, the second sleeve, the elastic clamping piece and the inserting hole are arranged, so that the second nut is convenient to disassemble and assemble, the labor-saving effect is achieved by increasing the length of the power arm, the occupied space of the tightening mechanism is reduced due to the foldable design of the tightening mechanism, and the tightening mechanism is convenient to store.

In conclusion, the invention simplifies the installation steps of the buffering air locker and the material conveying pipeline, improves the actual disassembly and assembly efficiency, reduces the abrasion between the impeller blades and the inner cavity wall, prolongs the service life of the buffering air locker and has strong practicability.

Drawings

FIG. 1 is a schematic view of an overall structure of a buffer airlock according to the present invention;

FIG. 2 is a side view of an impeller blade of a buffer airlock in accordance with the present invention;

FIG. 3 is an enlarged cross-sectional view taken at A in FIG. 2 of a cushion airlock according to the present invention;

FIG. 4 is a side view of a scrubber brush of the present invention;

FIG. 5 is a top view of a connection mechanism for a cushion latch according to the present invention;

FIG. 6 is a side view of a first lobe of a cushion latch according to the present invention;

FIG. 7 is an enlarged cross-sectional view at B in FIG. 1 of a cushion airlock in accordance with the present invention;

FIG. 8 is a structural view of a tightening mechanism of the cushion airlock according to the present invention;

FIG. 9 is a bottom view of a tightening mechanism for the cushion latch according to the present invention;

fig. 10 is an enlarged sectional view of the buffer airlock shown in fig. 5 at C.

In the figure: the pneumatic lock comprises a buffer airlock body 1, a material conveying pipeline 2, an impeller blade 3, a mounting blade 4, a dust removing brush 5, a first nut 6, a hexagon screw 7, a connecting mechanism 8, a first seat 9, a second seat 10, a first protrusion 11, a second protrusion 12, a tightening mechanism 13, a fixing block 14, a fixing shaft 15, a first sleeve 16, a first through groove 17, a second through groove 18, a groove 19, a screw 20, a second nut 21, a plug-in post 22, a lantern ring 23, a first annular disc 24, a second annular disc 25, a conical groove 26, a key groove 27, a pressing rod 28, an arc plate 29, a compression spring 30, a rubber gasket 31, an inclined plane clamp groove 32, a positioning key 33, a first handle rod 34, a second handle rod 35, a hinge 36, a second sleeve 37, an elastic clamping piece 38, a plug-in hole 39, a third nut 40, a hexagon head 41 and a bearing 42.

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.

Referring to fig. 1-10, a buffering air-lock device comprises a buffering air-lock device body 1, a material conveying pipeline 2 and an impeller blade 3 arranged on the buffering air-lock device body 1, wherein an installation blade 4 is welded on the outer side of the impeller blade 3, a dust removing brush 5 is arranged on the installation blade 4, a first nut 6 is welded on the outer surface of one side of the installation blade 4 away from the dust removing brush 5, a hexagon bolt 7 matched with the first nut 6 is arranged on the dust removing brush 5, a connecting mechanism 8 is arranged between the buffering air-lock device body 1 and the material conveying pipeline 2, the connecting mechanism 8 comprises a first seat body 9 and a second seat body 10, first bulges 11 are arranged at two ends of the first seat body 9, second bulges 12 are arranged at two ends of the second seat body 10, a tightening mechanism 13 is arranged at one side of the first bulges 11, two fixing blocks 14 are welded on the outer surface of one side of the second bulges 12 away from the first bulges 11, and the two fixing blocks 14, the first sleeve 16 enables the screw 20 to rotate by taking the fixed shaft 15 as a circle center, the fixed shaft 15 is arranged between the two fixed blocks 14, the first sleeve 16 is movably sleeved on the fixed shaft 15, the first through groove 17 is formed in the second bulge 12, the second through groove 18 is formed in the first bulge 11, the groove 19 is formed in the outer surface of one side, away from the second bulge 12, of the first bulge 11, the screw 20 is welded on the first sleeve 16, the second nut 21 is connected to the screw 20 in a threaded manner, the four inserting columns 22 are welded on the outer side surface of the second nut 21, the lantern ring 23 is sleeved on the screw 20, the lantern ring 23 is matched with the bearing 42 to enable the third nut 40 to be movably installed at two ends of the pressing rod 28, the first annular disc 24 is welded on the feeding port and the discharging port of the buffering air locker body 1, the second annular disc 25 is welded at one end, close to the buffering air, tapered grooves 26 are respectively formed in the edges of two side faces of the first annular disc 24 separated from the second annular disc 25, two key grooves 27 are respectively formed in the two side faces of the first annular disc 24 separated from the second annular disc 25, a pressing rod 28 is welded between the two lantern rings 23, an arc plate 29 is arranged on the outer side face of the first seat body 9, the arc plate 29 can press the first seat body 9 under the action of a compression spring 30, so that safety can be provided when the second nut 21 is loosened due to factors such as vibration, the compression spring 30 is arranged between the pressing rods 28 of the arc plate 29, a rubber gasket 31 is arranged between the first annular disc 24 and the second annular disc 25, inclined clamping grooves 32 are respectively formed in the two opposite side faces of the first seat body 9 and the second seat body 10, positioning keys 33 matched with the key grooves 27 are welded on the inner surfaces of the inclined clamping grooves 32, a third nut 40 is arranged inside the lantern rings 23, and the third nut 40 is in threaded sleeve joint on the screw rod 20, the third nut 40 is movably mounted in the lantern ring 23 through a bearing 42, one end of the third nut 40 is connected with a hexagonal head 41 in a welding mode, and the hexagonal head 41 facilitates people to screw the third nut 40 with tools.

The tightening mechanism 13 comprises a first handle rod 34 and a second handle rod 35, one end of the first handle rod 34 is movably connected with one end of the second handle rod 35 through a hinge 36, the other end of the first handle rod 34 is sleeved with a second sleeve 37, two elastic clamping pieces 38 are welded on the outer side surface of the second sleeve 37, the elastic clamping pieces 38 are used for clamping the second handle rod 35, the folded and stored second handle rod 35 cannot shake freely, the other end of the second handle rod 35 is positioned between the two elastic clamping pieces 38, the outer surface of the other end of the first handle rod 34 is provided with an insertion hole 39, the hexagonal bolt 7 penetrates through the dust removing brush 5 and the mounting piece 4, the first nut 6 is in threaded connection with the hexagonal bolt 7, a gasket is arranged between the hexagonal bolt 7 and the dust removing brush 5, the diameter of the cross section of the screw rod 20 is smaller than the groove width of the first through groove 17, and the groove width of the first through groove 17 is equal to the groove width of the second through groove 18, the middle part welding of compression bar 28 has the plectane, compression spring 30's both ends all through the spring holder respectively with plectane and arc 29 fixed connection, the perforation has been seted up at the middle part of hexagonal head 41, fenestrate aperture is greater than screw rod 20's cross section diameter, screw rod 20 runs through the perforation, four plug column 22 evenly distributed are on the lateral surface of second nut 21, and plug column 22's cross section diameter equals the aperture of spliced eye 39, two air channels have been seted up along the axial direction symmetry to plug column 22's lateral surface, two internal surfaces of conical surface groove 26 laminate mutually with two internal surfaces that the inclined plane presss from both sides groove 32 mutually, the internal surface that the inclined plane pressed from both sides groove 32 and conical surface groove 26's internal surface is the smooth surface.

The working principle is as follows: during installation, the positioning key 33 is aligned with the key slot 27, the first seat body 9 and the second seat body 10 are clamped on the first annular disc 24 and the second annular disc 25 by the inclined clamping slot 32, because the first sleeve 16 is movably sleeved on the fixed shaft 15, and the first sleeve 16 is welded with the screw 20, the screw 20 can be directly rotated, so that the screw 20 is clamped inside the first through slot 17 and the second through slot 18, and then the second nut 21 is manually screwed until the screw cannot be screwed, after that, the tightening mechanism 13 is taken out, one ends of the first handle rod 34 and the second handle rod 35 far away from the hinge 36 are tightly held, and outward pulling force is applied, so that the second handle rod 35 which is clamped on the first handle rod 34 by the two elastic clamping pieces 38 is separated from the first handle rod 34 until the two end faces of the first handle rod 34 and the second handle rod 35 close to the hinge 36 are jointed, so that the first handle rod 34 and the second handle rod 35 are in a 'first' structure, then, the first handle rod 34 is inserted into the insertion post 22 through the insertion hole 39, one end of the second handle rod 35 far from the hinge 36 is gripped, the first handle rod 34 and the second handle rod 35 are used to drive the second nut 21 to continue rotating, until the second handle rod 35 is completely tightened, the first handle rod 34 and the second handle rod 35 are pulled out to be folded and accommodated, in the process, the first seat body 9 and the second seat body 10 gradually draw close towards the middle, namely, the distance between the first seat body 9 and the second seat body 10 gradually decreases, due to the existence of the conical surface groove 26 and the inclined surface clamping groove 32, the horizontal clamping force which is drawn towards the middle and applied to the first seat body 9 and the second seat body 10 is converted into a vertical clamping force, so that the first annular disc 24 and the second annular disc 25 draw towards the middle and deform, the rubber gasket 31 draws close, the first annular disc 24 and the second annular disc 25 are stably and avoid connection, and the installation of the buffer air-lock body 1 and the material conveying pipeline 2 is realized, after the completion, screw up third nut 40 on screw rod 20 again, make the arc 29 tightly press on first pedestal 9 under compression spring 30's effect can, in this process, need notice that two third nuts 40 need rotate as far as in step, avoid the circumstances that pinch bar 28 appears the slope (the circumstances that pinch bar 28 will appear third nut 40 card dead), then start buffering airlock body 1 and can carry the material, in this process, when bulky stereoplasm aggregate wants to pass the clearance between impeller blade 3 and the inner chamber wall, because of the existence of dust removal brush 5, the brush hair of dust removal brush 5 will take place to buckle because of bulky stereoplasm aggregate, thereby just avoided the serious wearing and tearing of impeller blade 3 and inner chamber wall, when needing to change dust removal brush 5, need not to disassemble buffering airlock body 1, concrete reason is as follows: the first nut 6 and the hexagon bolt 7 are both positioned at the position close to the middle of the impeller blade 3, when the dust removing brush 5 needs to be disassembled and replaced, the hexagon bolt 7 is only needed to be screwed off, then the dust removing brush 5 can be taken out through the feed inlet or the discharge outlet of the buffering air locker body 1 and at a certain inclination angle, the new dust removing brush 5 is installed in the same operation, namely, the framework plate of the dust removing brush 5 is attached to the installation sheet 4 at a certain inclination angle, and then the hexagon bolt 7 is screwed down, the operation is very simple, the key groove 27 is matched with the positioning key 33, so that the first seat body 9 and the second seat body 10 can be symmetrically distributed, after the second nut 21 is tightened, the first seat body 9 and the second seat body 10 can provide uniform extrusion force for the first annular disc 24 and the second annular disc 25, the installation steps of the buffering air locker and the material conveying pipeline 2 are simplified, and the actual disassembly and assembly efficiency is improved, and the abrasion between the impeller blades 3 and the inner cavity wall is reduced, the service life of the buffering air locker is prolonged, and the practicability is strong.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A buffering air-lock device comprises a buffering air-lock device body (1), a material conveying pipeline (2) and an impeller blade (3) arranged on the buffering air-lock device body (1), and is characterized in that a mounting blade (4) is welded on the outer side of the impeller blade (3), a dust removing brush (5) is arranged on the mounting blade (4), a first nut (6) is welded on the outer surface of one side, far away from the dust removing brush (5), of the mounting blade (4), a hexagonal bolt (7) matched with the first nut (6) is arranged on the dust removing brush (5), a connecting mechanism (8) is arranged between the buffering air-lock device body (1) and the material conveying pipeline (2), the connecting mechanism (8) comprises a first seat body (9) and a second seat body (10), first bulges (11) are arranged at two ends of the first seat body (9), second bulges (12) are arranged at two ends of the second seat body (10), a tightening mechanism (13) is arranged on one side of the first bulge (11), two fixed blocks (14) are welded on the outer surface of one side, away from the first bulge (11), of the second bulge (12), a fixed shaft (15) is arranged between the two fixed blocks (14), a first sleeve (16) is movably sleeved on the fixed shaft (15), a first through groove (17) is formed in the second bulge (12), a second through groove (18) is formed in the first bulge (11), a groove (19) is formed in the outer surface of one side, away from the second bulge (12), of the first bulge (11), a screw rod (20) is welded on the first sleeve (16), a second nut (21) is connected on the screw rod (20) in a threaded manner, four inserting columns (22) are welded on the outer side surface of the second nut (21), and a lantern ring (23) is sleeved on the screw rod (20), all welded first annular dish (24) on the feed inlet of buffering airlock body (1) and the discharge gate, the one end welding that conveying pipeline (2) are close to buffering airlock body (1) has second annular dish (25), conical surface groove (26) have all been seted up to the edge of two sides of first annular dish (24) and second annular dish (25) phase separation, and have all seted up two keyway (27) on two sides of first annular dish (24) and second annular dish (25) phase separation, two welding has compression bar (28) between lantern ring (23), the lateral surface of first pedestal (9) is provided with arc (29), and is provided with compression spring (30) between arc (29) compression bar (28), be provided with rubber packing ring (31) between first annular dish (24) and the second annular dish (25), all set up inclined plane clamp groove (32) on two sides that first pedestal (9) and second pedestal (10) are relative, have inclined plane clamp groove (32) to ) The inner surface welding of inclined plane double-layered groove (32) has positioning key (33) with keyway (27) assorted, the inside of lantern ring (23) is provided with third nut (40), and third nut (40) screw thread cup joints on screw rod (20), third nut (40) pass through bearing (42) movable mounting in the inside of lantern ring (23), the one end welded connection of third nut (40) has hexagon head (41).

2. The buffer air lock according to claim 1, wherein the tightening mechanism (13) comprises a first handle rod (34) and a second handle rod (35), one end of the first handle rod (34) is movably connected with one end of the second handle rod (35) through a hinge (36), the other end of the first handle rod (34) is sleeved with a second sleeve (37), two elastic clamping pieces (38) are welded on the outer side surface of the second sleeve (37), the other end of the second handle rod (35) is located between the two elastic clamping pieces (38), and the outer surface of the other end of the first handle rod (34) is provided with an insertion hole (39).

3. The buffer air lock according to claim 1, wherein the hexagonal bolt (7) penetrates through the dust removing brush (5) and the mounting plate (4), the first nut (6) is in threaded connection with the hexagonal bolt (7), and a gasket is arranged between the hexagonal bolt (7) and the dust removing brush (5).

4. A buffer airlock according to claim 1, characterized in that said threaded rod (20) has a cross-sectional diameter smaller than the width of the first through slot (17) and in that the width of the first through slot (17) is equal to the width of the second through slot (18).

5. The buffer air-lock device as claimed in claim 1, wherein a circular plate is welded in the middle of the compression rod (28), and both ends of the compression spring (30) are respectively fixedly connected with the circular plate and the arc-shaped plate (29) through spring seats.

6. A buffer airlock according to claim 1, wherein the hexagonal head (41) has a central bore, the bore diameter of the bore being greater than the cross-sectional diameter of the threaded rod (20), the threaded rod (20) passing through the bore.

7. The buffer air lock according to claim 2, wherein four insertion columns (22) are uniformly distributed on the outer side surface of the second nut (21), the diameter of the cross section of each insertion column (22) is equal to the diameter of the corresponding insertion hole (39), and two air grooves are symmetrically formed in the outer side surface of each insertion column (22) along the axial direction.

8. A cushion airlock according to claim 1, wherein the inner surfaces of said two tapered grooves (26) are respectively attached to two inner wall surfaces of said tapered groove (32) opposite to each other, and both the inner surfaces of said tapered groove (26) and said inner surfaces of said tapered groove (32) are smooth surfaces.