Anti-blocking spray head for pneumatic clearance

Abstract

The utility model provides an anti-blocking spray head for pneumatic clearance. The anti-blocking spray head comprises a spray head body, a baffle and a driving assembly. The spray head is provided with a gas transmission cavity, a nozzle area is arranged in the circumferential direction of the spray head, a plurality of spray holes are formed in the nozzle area, and each spray hole is communicated with the gas transmission cavity; the baffle is attached to the inner wall of the air conveying cavity. The output end of the driving assembly is connected with the baffle, and the driving assembly can drive the baffle to rotate so that the baffle can be switched between the first state and the second state; in the first state, the baffle covers the nozzle area, so that the spraying hole is separated from the air conveying cavity; in the second state, the baffle and the nozzle area are arranged in a staggered mode so that the spraying holes can be communicated with the air conveying cavity. In the first state, the baffle covers the nozzle area, the spraying holes are closed, then the air conveying cavity is isolated from the environment in the stock bin, dust in the stock bin is prevented from entering the air conveying cavity, and the air conveying cavity is prevented from being blocked by the dust.

Description

TECHNICAL FIELD

[0001] The utility model relates to a clear storehouse device technical field more specifically, relate to a kind of anti-blocking spray head for pneumatic storehouse. BACKGROUND

[0002] In the chemical industry, building materials, metallurgy, power plant, steel plant and other industries, various raw materials, fuel, cement, grain depot, mixed material and other material in the material bin will be arching, bridging, hardening due to pressure, material moisture or air humidity, etc. The volume of the material bin is reduced, the use efficiency of the material bin is lowered, and the feeder is broken, the coal is broken, etc. The normal production is affected, and even safety accidents are caused. Therefore, the material bin needs to be cleaned regularly.

[0003] Currently, the pneumatic storehouse device is usually used to clean the material bin, that is, a spray head is arranged in the material bin, and high-pressure gas is sprayed through the nozzle of the spray head to clean the blocked material in the material bin. However, since the nozzle is arranged in the material bin, the nozzle is easily blocked by the frequent loading and unloading of the material. SUMMARY

[0004] (I) Technical problem to be solved

[0005] The technical problem to be solved by the utility model is that the existing spray head for pneumatic storehouse is easily blocked.

[0006] (II) Technical scheme

[0007] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0008] The utility model provides a kind of anti-blocking spray head for pneumatic storehouse, including spray head, baffle and drive assembly;The spray head has gas conveying cavity, the periphery of the spray head is equipped with nozzle area, multiple spray holes are opened in the nozzle area, each spray hole is communicated with the gas conveying cavity;The baffle is attached to the inner wall of the gas conveying cavity;The output end of the drive assembly is connected with the baffle, the drive assembly can drive the baffle to rotate, to switch the baffle between the first state and the second state;Wherein, in the first state, the baffle covers the nozzle area, to make the spray hole and the gas conveying cavity be blocked;In the second state, the baffle is misaligned with the nozzle area, to make the spray hole and the gas conveying cavity be communicated.

[0009] Preferably, the drive assembly includes a drive motor, a first gear, a second gear and a connecting rod;The motor shaft of the drive motor is connected to the first gear, the connecting rod connects the second gear and the baffle, and the first gear is engaged with the second gear.

[0010] Preferably, the driving assembly further comprises a supporting rod and a pulley, the supporting rod is connected with the center of the second gear, the end of the supporting rod away from the second gear is provided with the pulley, the nozzle head is provided with a sliding rail, and the pulley is connected with the sliding rail in a matched mode.

[0011] Preferably, the sliding rail is internally provided with a stopper.

[0012] Preferably, the nozzle head comprises an end cover and a cylindrical side wall, the end of the cylindrical side wall is connected with the end cover, the nozzle area is arranged on the cylindrical side wall, the driving assembly is connected with the end cover, and the surface of the baffle is attached to the cylindrical side wall.

[0013] Preferably, the end cover is provided with a sliding groove, and the baffle is slidingly connected with the sliding groove.

[0014] Preferably, the nozzle head is provided with a threaded section at an end away from the end cover.

[0015] Preferably, the baffle is provided with a cutter at each of two ends along the chordal direction.

[0016] Preferably, the gas conveying cavity is internally provided with a gas pressure sensor.

[0017] Preferably, the nozzle area comprises a plurality of nozzle areas, and the plurality of nozzle areas are arranged at intervals along the circumferential direction of the nozzle head.

[0018] (Three) beneficial effects

[0019] The above technical scheme of the utility model has at least the following advantages:

[0020] The gas conveying cavity is used for being connected with a gas conveying pipeline, one end of the gas conveying pipeline is connected with the nozzle head, and the other end of the gas conveying pipeline is connected with a gas compressor. In the second state, the gas compressor pumps and compresses the gas to the nozzle head and outputs the gas from the nozzle hole, so as to act on the blocked material in the stock bin, impact the material and make the material separate from the inner wall of the stock bin, and then realize the stock bin cleaning treatment. In the first state, the baffle covers the nozzle area, so that the nozzle hole is closed, and then the gas conveying cavity is isolated from the environment in the stock bin, so as to prevent the dust in the stock bin from entering the gas conveying cavity and avoid the dust from blocking the gas conveying cavity. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0022] Figure 1It is the stereoscopic structure schematic view of the anti-blocking spray head for pneumatic warehouse cleaning provided by the embodiment of the utility model.

[0023] Figure 2 It is the stereoscopic structure schematic view of the anti-blocking spray head for pneumatic warehouse cleaning provided by the embodiment of the utility model.

[0024] Figure 3 It is the side view of the anti-blocking spray head for pneumatic warehouse cleaning provided by the embodiment of the utility model.

[0025] Figure 4 It is Figure 3 The sectional view at A-A in the middle.

[0026] The reference signs in the drawings are as follows:

[0027] 1, spray head; 2, baffle; 3, driving assembly; 11, gas conveying cavity; 12, nozzle area; 13, spray hole; 14, sliding rail; 15, end cover; 16, cylindrical side wall; 21, cutter; 31, driving motor; 32, first gear; 33, second gear; 34, connecting rod; 35, support rod; 36, pulley; 141, stop block; 151, sliding groove. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model more clear and apparent, the utility model will be further described in detail below by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0029] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.

[0030] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model, and do not indicate that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0031] Furthermore, the terms "first", "second", etc. are used only for descriptive purposes and should not be construed as indicating relative importance or a quantity of technical features. In the description of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise explicitly and specifically limited. The specific implementation of the present application will be described in more detail below in combination with specific embodiments.

[0032] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the utility model embodiment provides a kind of anti-blocking spray head for pneumatic warehouse, including spray head 1, baffle 2 and drive assembly 3;Spray head 1 has gas conveying cavity 11, and the circumferential direction of spray head 1 is equipped with nozzle area 12, multiple spray holes 13 are opened in nozzle area 12, and each spray hole 13 is communicated with gas conveying cavity 11;Baffle 2 is attached to the inner wall of gas conveying cavity 11;The output end of drive assembly 3 is connected with baffle 2, and drive assembly 3 can drive baffle 2 to rotate, to make baffle 2 switch between first state and second state;Wherein, in first state, baffle 2 covers nozzle area 12, to make spray hole 13 and gas conveying cavity 11 be blocked;In second state, baffle 2 is arranged in dislocation with nozzle area 12, to make spray hole 13 and gas conveying cavity 11 be communicated with each other. Specifically, gas conveying cavity 11 is used to be connected with gas conveying pipeline, one end of gas conveying pipeline is connected with spray head 1, and the other end of gas conveying pipeline is connected with gas compressor.In second state, gas compressor is pumped to spray head 1 by compressing gas, and is output from spray hole 13, and acts on the blocked material in bunker, impacts material and makes it separate from the inner wall of bunker, to realize the cleaning of bunker.In first state, baffle 2 covers nozzle area 12, so that spray hole 13 is closed, to realize the isolation of gas conveying cavity 11 and the environment in bunker, to prevent dust in bunker from entering gas conveying cavity 11, to avoid dust blocking gas conveying cavity 11.

[0033] As one of the optional embodiments of the present embodiment, drive assembly 3 includes drive motor 31, first gear 32, second gear 33 and connecting rod 34;The motor shaft of drive motor 31 is connected with first gear 32, connecting rod 34 connects second gear 33 with baffle 2, and first gear 32 is engaged with second gear 33. Specifically, the motor shaft of drive motor 31 rotates, can drive first gear 32 to rotate, first gear 32 is engaged with second gear 33, to drive second gear 33 to rotate, since second gear 33 is connected with baffle 2 through connecting rod 34, to realize the rotation of baffle 2 around the axis of motor shaft, since the axis of motor shaft coincides with the axis of spray head 1, baffle 2 rotates along the inner wall of spray head 1, when baffle 2 rotates to a certain angle, baffle 2 is switched from first state to second state;Similarly, to realize the switching of baffle 2 from second state to first state, only need to drive drive motor 31 to rotate reversely.

[0034] As one of the optional embodiments of the present embodiment, the driving assembly 3 further comprises a supporting rod 35 and a pulley 36, the supporting rod 35 is connected to the center of the second gear 33, the end of the supporting rod 35 away from the second gear 33 is provided with the pulley 36, the spray head 1 is provided with a sliding rail 14, and the pulley 36 is connected with the sliding rail 14 in a matched mode. The second gear 33 is connected with the sliding rail 14 on the spray head 1 in a sliding mode through the pulley 36, and then the stable rotation of the second gear 33 can be realized.

[0035] As one of the optional embodiments of the present embodiment, the sliding rail 14 is provided with a stopper 141. When the pulley 36 rotates to a certain angle (i.e. the critical angle when the first state is switched to the second state), the pulley 36 will touch the stopper 141, and the stopper 141 limits the further movement of the pulley 36, and then the limiting of the baffle 2 is realized. The excessive displacement of the baffle 2 is prevented to change the state.

[0036] As one of the optional embodiments of the present embodiment, the spray head 1 comprises an end cover 15 and a cylindrical side wall 16, the end cover 15 is connected to the end of the cylindrical side wall 16, the cylindrical side wall 16 is provided with the nozzle area 12, the driving assembly 3 is connected to the end cover 15, and the surface of the baffle 2 is attached to the cylindrical side wall 16.

[0037] As one of the optional embodiments of the present embodiment, the end cover 15 is provided with a sliding groove 151, and the baffle 2 is connected to the sliding groove 151 in a sliding mode. The baffle 2 can move along the length direction of the sliding groove 151, the sliding groove 151 limits the baffle 2, and then the stable movement of the baffle 2 is realized.

[0038] As one of the optional embodiments of the present embodiment, one end of the spray head 1 away from the end cover 15 is provided with a threaded section. The threaded section is used for being connected with a gas pipeline in a threaded mode, and then the detachable connection of the spray head 1 with the gas pipeline is realized, so as to facilitate the disassembly and replacement of the spray head 1.

[0039] As one of the optional embodiments of the present embodiment, the baffle 2 is respectively provided with a cutter 21 at two ends along the chord direction. The cutting edge of the cutter 21 is attached to the surface of the cylindrical side wall 16, when the baffle 2 rotates, the cutter 21 moves along the circumferential direction of the cylindrical side wall 16, the material attached to the cylindrical side wall 16 is scraped off from the cylindrical side wall 16, and then the blocking of the material adhered to the cylindrical side wall 16 is avoided.

[0040] As one of the optional embodiments of the embodiment, the gas conveying cavity 11 is provided with a gas pressure sensor. The gas pressure sensor is used for monitoring the gas pressure in the gas conveying cavity 11. Specifically, the gas pressure sensor is electrically connected with the driving motor 31. When the high-pressure gas reaches the gas conveying cavity 11, the gas pressure sensor detects that the gas pressure in the gas conveying cavity 11 changes, and then controls the driving motor 31 to start, so that the baffle is switched from the first state to the second state, so that the high-pressure gas is output from the jet hole 13. When the ventilation is interrupted, the gas pressure sensor detects that the gas pressure in the gas conveying cavity 11 changes, and then controls the driving motor 31 to start, so that the baffle is switched from the second state to the first state, realizing the anti-blocking function.

[0041] As one of the optional embodiments of the embodiment, the nozzle area 12 has a plurality of nozzle areas 12, and the plurality of nozzle areas 12 are arranged at intervals along the circumference of the nozzle 1. The plurality of nozzle areas 12 are arranged at different positions of the circumference of the nozzle 1. Through the rotation of the baffle 2, the nozzle areas 12 at different positions are shielded, and then the gas is output from the jet holes at different positions, so as to change the output direction of the gas, and facilitate the unblocking operation of the material at different positions in the stock bin.

[0042] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An anti-clogging spray head for pneumatic bin unloading, characterized in that, The utility model relates to a nozzle, which comprises: a nozzle having a gas supply cavity, a nozzle area being arranged circumferentially on the nozzle, a plurality of nozzle holes being arranged in the nozzle area, each of the nozzle holes being in communication with the gas supply cavity; a baffle plate being attached to an inner wall of the gas supply cavity; a driving assembly, an output end of the driving assembly being connected to the baffle plate, the driving assembly being capable of driving the baffle plate to rotate so as to switch the baffle plate between a first state and a second state, the driving assembly comprising a driving motor, a first gear, a second gear and a connecting rod, a motor shaft of the driving motor being connected to the first gear, the connecting rod being connected to the second gear and the baffle plate, the first gear being engaged with the second gear; wherein, in the first state, the baffle plate covers the nozzle area so as to block the nozzle holes from the gas supply cavity; in the second state, the baffle plate is arranged in a staggered manner with the nozzle area so as to make the nozzle holes in communication with the gas supply cavity.

2. An anti-clogging spray head for pneumatic bin unloading as defined in claim 1, characterized in that The driving assembly further comprises a support rod and a pulley, the center of the second gear being connected to the support rod, the end of the support rod away from the second gear being provided with the pulley, the nozzle being provided with a sliding rail, the pulley being connected to the sliding rail in a matching manner.

3. An anti-jamming spray head for pneumatic bin unloading according to claim 2, wherein, The sliding rail is provided with a stopper.

4. An anti-jamming spray head for pneumatic bin unloading according to claim 1, wherein, The nozzle comprises an end cover and a cylindrical side wall, the end of the cylindrical side wall being connected to the end cover, the nozzle area being arranged on the cylindrical side wall, the driving assembly being connected to the end cover, the surface of the baffle plate being attached to the cylindrical side wall.

5. An anti-jamming spray head for pneumatic bin unloading according to claim 4, wherein, The end cover is provided with a sliding groove, the baffle plate being connected to the sliding groove in a sliding manner.

6. An anti-jamming spray head for pneumatic bin unloading according to claim 4, wherein, The end of the nozzle away from the end cover is provided with a threaded section.

7. An anti-jamming spray head for pneumatic bin unloading as defined in claim 1, wherein, The baffle plate is provided with a cutter at each of the two ends along the chord direction.

8. An anti-jamming spray head for pneumatic bin unloading according to claim 1, wherein, The gas supply cavity is provided with a gas pressure sensor.

9. An anti-jamming spray head for pneumatic bin unloading according to claim 1, wherein, The nozzle area is a plurality of, the plurality of nozzle areas being arranged at intervals along the circumference of the nozzle.

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