CN112827290A - Spray ring with adjustable nozzle angle and air-assisted sprayer - Google Patents

Spray ring with adjustable nozzle angle and air-assisted sprayer Download PDF

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Publication number
CN112827290A
CN112827290A CN202110200107.0A CN202110200107A CN112827290A CN 112827290 A CN112827290 A CN 112827290A CN 202110200107 A CN202110200107 A CN 202110200107A CN 112827290 A CN112827290 A CN 112827290A
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China
Prior art keywords
spray ring
nozzle
angle
adjusting frame
ball
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Pending
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CN202110200107.0A
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Chinese (zh)
Inventor
唐逸帆
刘黎明
龚京忠
贺运初
黎宇
蔡明�
张�浩
刘刚
苏晨嘉
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Hunan Jiujiu Intelligent Environmental Protection Co ltd
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Hunan Jiujiu Intelligent Environmental Protection Co ltd
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Priority to CN202110200107.0A priority Critical patent/CN112827290A/en
Publication of CN112827290A publication Critical patent/CN112827290A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06Spray cleaning

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spray Control Apparatus (AREA)

Abstract

The invention discloses a spray ring with an adjustable nozzle angle, which comprises: the spray ring pipe is integrally in an annular pipe shape, a kidney-shaped groove penetrating through the spray ring pipe is formed in the adjusting frame, an included angle between the extending direction of the kidney-shaped groove and the height direction of the adjusting frame is an acute angle, the nozzle penetrates through the kidney-shaped groove, one end of the nozzle is connected with the spray ring pipe in a ball hinge mode, the adjusting frame is connected with the spray ring pipe in a sliding mode, and the adjusting power piece is used for driving the adjusting frame to slide back and forth along the spray ring pipe so as to change the angle of the nozzle. The invention also discloses an air-assisted sprayer which comprises a barrel and the spray ring with the adjustable nozzle angle. The invention aims to solve the technical problems that the angle of a nozzle on a spray ring of an air-assisted sprayer in the prior art is fixed, and the real-time adjustment of the relative angle of an air flow and a mist flow cannot be realized.

Description

Spray ring with adjustable nozzle angle and air-assisted sprayer
Technical Field
The invention belongs to the technical field of spraying dust-settling devices, and particularly relates to a spray ring with an adjustable nozzle angle.
Background
The air-assisted sprayer comprises a fan, a spraying ring, a booster pump, a controller and a frame, wherein the spraying ring is positioned at an air outlet at the front end of the fan, a nozzle is arranged on the spraying ring, the atomizing process of the spraying ring is divided into two processes of primary hydraulic atomization and secondary atomization of high-speed airflow, and the two processes have larger difference in atomizing form and mechanism. The primary atomization is a pressure atomization process of liquid flowing out of a nozzle under the action of pressure; the secondary atomization is a phenomenon that liquid drops are dispersed in a space and are crushed and atomized under the extrusion action of high-speed airflow. The fog drop transmission of the air-assisted sprayer mainly goes through the following three processes:
(1) the high-speed airflow near the air outlet breaks the fog drops, so that the particle size of the fog drops is reduced.
(2) Under the action of medium-speed airflow, the collision among the fog drops leads the fog drops to be polymerized and the particle size to be enlarged.
(3) The low-speed airflow diffuses and evaporates the fog drops to reduce the particle size of the fog drops.
The relative angle of the air flow and the fog flow has obvious influence on secondary atomization, and the expansion and sedimentation of fog drops in a wind field are influenced, so that the range and the dust fall effect of the sprayer are influenced.
At present, dust treatment enterprises such as iron and steel, coking, cement and the like mostly adopt visual linkage, dust linkage, gray level identification linkage based on machine vision and other modes to realize accurate treatment. However, the spraying machine for treating dust has a certain range and a certain average fog particle size, and the range and the average fog particle size cannot be adjusted according to actual needs, so that the spraying machine cannot meet the requirement of good accurate treatment.
In the prior art, the angle of a nozzle on a spray ring of an air-assisted sprayer is fixed, so that the real-time adjustment of the relative angle of an air flow and a fog flow cannot be realized, the range of the sprayer and the effects of primary atomization and secondary atomization (namely the average fog grain size) cannot be changed once the sprayer is manufactured, and the positioning treatment and the qualitative treatment of dust cannot be realized.
Disclosure of Invention
Technical problem to be solved
Based on the technical scheme, the invention provides a spray ring with an adjustable nozzle angle and an air-assisted sprayer, and aims to solve the technical problem that the relative angle of an air flow and a mist flow cannot be adjusted in real time due to the fact that the nozzle angle on the spray ring of the air-assisted sprayer in the prior art is fixed.
(II) technical scheme
In order to solve the technical problem, the invention provides a spray ring with an adjustable nozzle angle, which comprises: the spray ring pipe is integrally in an annular pipe shape, a kidney-shaped groove penetrating through the spray ring pipe is formed in the adjusting frame, an included angle between the extending direction of the kidney-shaped groove and the height direction of the adjusting frame is an acute angle, the nozzle penetrates through the kidney-shaped groove, one end of the nozzle is connected with the spray ring pipe in a ball hinge mode, the adjusting frame is connected with the spray ring pipe in a sliding mode, and the adjusting power piece is used for driving the adjusting frame to slide back and forth along the spray ring pipe so as to change the angle of the nozzle.
Preferably, the spray ring pipe comprises an annular water pipe and a connecting seat arranged on the annular water pipe, the spray ring with the adjustable nozzle angle further comprises a swinging seat, the swinging seat comprises a main body part and a ball head which is in ball joint with the main body part, the main body part is connected with the connecting seat, and the ball head is connected with the nozzle.
Preferably, the main part includes ball seat and gland, the ball seat with the gland screw thread links to each other and the two encloses into the ball jointly and accepts the chamber, the outer wall symmetry of bulb is equipped with a set of planar structure's bulb lateral plane, the inner wall symmetry of gland is equipped with a set of planar structure's gland lateral plane, the bulb is located the ball is acceptd the intracavity just the gland lateral plane with bulb lateral plane butt, keeping away from of gland the one end of ball seat is equipped with and is used for preventing the clamping ring that the bulb deviate from, the ball seat with the connecting seat links to each other.
Preferably, the number of the connecting seats is multiple, the connecting seats are uniformly distributed along the axis of the spray ring pipe, the adjusting frame is integrally in a ring shape coaxial with the spray ring pipe, the number of the kidney-shaped grooves is the same as that of the connecting seats, the kidney-shaped grooves and the connecting seats are arranged in a one-to-one correspondence manner, each connecting seat is provided with a nozzle, and the nozzle penetrates through the kidney-shaped groove on the upper portion of the connecting seat.
Preferably, a sliding member for slidably connecting the adjusting frame and the spray ring pipe is arranged between the adjusting frame and the spray ring pipe, the number of the sliding members is multiple groups, the multiple groups of the sliding members are uniformly distributed along the axis of the spray ring pipe, and the sliding member comprises: the T-shaped sliding block is fixedly connected with the adjusting frame, and the T-shaped sliding rail is fixed on the spray ring pipe and matched with the T-shaped sliding block.
Preferably, the connecting seats are integrally cylindrical and tubular, and the axis of each connecting seat is intersected with the axis of the spray ring pipe.
Preferably, the adjusting power member includes: the rotary power part comprises a rotary power part and an intermediate transmission part, wherein one end of the intermediate transmission part is connected with the rotary power part, the other end of the intermediate transmission part is fixedly connected with the adjusting frame, and the intermediate transmission part is used for converting the rotation of the rotary power part into the rotation of the adjusting frame.
Preferably, the rotary power part is a servo motor, the intermediate transmission part comprises a gear connected with the servo motor and a rack meshed with the gear, the rack is fixedly connected with the adjusting frame through a right-angle connecting plate, and the rack is driven to move through the gear so as to drive the adjusting frame to rotate.
Preferably, the adjusting power part is a linear power executing mechanism for providing linear reciprocating power, and the force application direction of the linear power executing mechanism is the same as the height direction of the adjusting frame.
The invention also discloses an air-assisted sprayer which comprises a barrel and the spray ring with the adjustable nozzle angle, wherein the spray ring with the adjustable nozzle angle is arranged on one side of the barrel, and one end of the power adjusting part is fixed on the barrel.
(III) advantageous effects
Compared with the prior art, the spray ring with the adjustable nozzle angle and the air-assisted sprayer have the beneficial effects that:
the spray ring with the adjustable nozzle angle can realize adjustable range and adjustable average fog grain size. The spray ring is simple in structure, various in adjusting mode and low in energy consumption in control mode, and the adjustment of the angle of the nozzle can be achieved in an amplifying mode through fine adjustment of up-and-down movement or rotary movement so as to achieve the functions of adjustable range and adjustable average fog particle size.
The spray ring with the adjustable nozzle angle is applied to an air-assisted sprayer, and the parameters of the sprayer are adjusted according to the specific position of dust and the average particle size of the dust by combining the modes of visual linkage, dust linkage, gray scale identification linkage based on machine vision and the like, so that the accurate treatment is realized.
Drawings
The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the invention in any way, and in which:
fig. 1 is a schematic overall structure diagram of a spray ring with an adjustable nozzle angle according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a nozzle ring in a nozzle ring with an adjustable nozzle angle according to a first embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of a swing seat in an adjustable nozzle angle spray ring according to a first embodiment of the present invention;
FIG. 4 is a cross-sectional view of a swing seat in an adjustable nozzle angle spray ring according to a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of an adjusting bracket in the spray ring capable of adjusting the angle of the spray nozzle according to the first embodiment of the invention;
fig. 6 is a schematic partial structure diagram of a nozzle ring with an adjustable nozzle angle according to a second embodiment of the present invention.
FIG. 7 is a schematic front view of the overall structure of an air-assisted sprayer according to an embodiment of the invention;
FIG. 8 is a left side view of FIG. 7;
fig. 9 is an enlarged schematic view of a structure in which a nozzle of the air-assisted sprayer according to the embodiment of the present invention is located in a waist groove.
Description of reference numerals:
100. the spray ring with the adjustable nozzle angle comprises a spray ring body 200, a cylinder body 1, a spray ring pipe 2, a nozzle 3, an adjusting frame 4, an adjusting power part 5, a swinging seat 6, a sliding part 11, an annular water pipe 12, a connecting seat 31, a kidney-shaped groove 41, a rotating power part 42, an intermediate transmission part 43, a linear power executing mechanism 51, a ball seat 52, a gland 53, a ball head 61. T-shaped sliding block 62, a T-shaped sliding rail 421, a gear 422, a rack 422, a 423 right-angle connecting plate 531, a ball head side plane 521, a gland side plane 521 and a pressing ring 522.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; the two elements may be mechanically or electrically connected, directly or indirectly connected through an intermediate medium, or connected through the inside of the two elements, or "in transmission connection", that is, connected in a power manner through various suitable manners such as belt transmission, gear transmission, or sprocket transmission. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1 to 6, in which the direction of the arrow in fig. 1 is the direction of movement of the respective members and the direction of the arrow in fig. 6 is the direction of height of the adjustment frame 3, a spray ring 100 with adjustable nozzle angle includes: spout ring pipe 1, nozzle 2, alignment jig 3 and regulation power spare 4, it is whole for the annular tube form to spout ring pipe 1, be equipped with the kidney slot 31 that runs through on the alignment jig 3, the contained angle of the extending direction of kidney slot 31 and the direction of height of alignment jig 3 is Q, 0 ^ Q < 90, refer to figure 9, nozzle 2 runs through kidney slot 31, and the one end of nozzle 2 links to each other for ball joint with spouting between the ring pipe 1, alignment jig 3 and spout ring pipe 1 sliding connection, regulation power spare 4 is used for driving alignment jig 3 and follows to spout ring pipe 1 and make a round trip to slide in order to change the angle of nozzle 2.
In this embodiment, the included angle between the extending direction of the kidney-shaped groove 31 and the height direction of the adjusting frame 3 is Q, Q is more than 0 degree and less than 90 degrees, that is, the kidney-shaped groove 31 is an inclined upward groove, the adjusting frame 3 is driven by the adjusting power part 4 to slide back and forth along the spray ring pipe 1 to drive the kidney-shaped groove 31 to move, and the kidney-shaped groove 31 pushes the nozzle 2 in the kidney-shaped groove 31 to swing when moving, so as to change the angle of the nozzle 2. According to the atomization principle, different spray nozzle 2 angles and airflow combinations can form different fog fields, namely different ranges and average fog particle sizes. Therefore, the spray ring 100 with the adjustable nozzle angle can realize accurate positioning and qualitative treatment of dust by combining the detection and control technology.
Referring to fig. 2, according to an embodiment of the present invention, the nozzle ring 1 includes an annular water pipe 11, a connecting seat 12 disposed on the annular water pipe 11, and a swing seat 5, wherein the swing seat 5 includes a main body and a ball 53 in ball-joint with the main body, the main body is connected to the connecting seat 12, and the ball 53 is connected to the nozzle 2. In this embodiment, the spray ring pipe 1 comprises an annular water pipe 11 and a connecting seat 12, the swing seat 5 is connected with the nozzle 2, the structure is detachable and convenient to manufacture and form, and when the kidney-shaped groove 31 moves, the nozzle 2 in the kidney-shaped groove 31 can be pushed to flexibly change the angle.
Referring to fig. 3-4, according to the embodiment of the present invention, the main body includes a ball seat 51 and a pressing cover 52, the ball seat 51 and the pressing cover 52 are connected by screw threads and together form a ball receiving cavity, a set of ball side planes 531 of a planar structure is symmetrically disposed on an outer wall of the ball 53, a set of pressing cover side planes 521 of a planar structure is symmetrically disposed on an inner wall of the pressing cover 52, the ball 53 is disposed in the ball receiving cavity, the pressing cover side planes 521 abut against the ball side planes 531, a pressing ring 522 for preventing the ball 53 from falling off is disposed at an end of the pressing cover 52 away from the ball seat 51, and the ball seat 51 is connected to the connecting base. In this embodiment, the pressing cover side plane 521 abuts against the ball head side plane 531, so that the rotation range of the ball head 53 can be limited, and the stability of the device can be improved on the premise of ensuring the use function. Specifically, after assembly, the pressing cover 52 is appropriately screwed, and the ball head 53 is tightly matched with the ball seat 51, so that the ball head 53 can rotate in a limited plane by a certain angle in the left-right direction between the ball seat 51 and the pressing cover 52 by taking the spherical center of the ball head 53 as a rotation center. In specific implementation, the ball seat 51 and the connection seat 12 may be connected by a screw or a plug to form a sealed connection structure, so that leakage occurs during spraying.
Referring to fig. 5, according to an embodiment of the present invention, the number of the connection seats 12 is plural, the plural connection seats 12 are uniformly distributed along the axis of the nozzle ring 1, the adjusting frame 3 is a ring shape coaxial with the nozzle ring 1 as a whole, the number of the kidney-shaped grooves 31 is the same as the number of the connection seats 12, the plural kidney-shaped grooves 31 are arranged corresponding to the plural connection seats 12 one by one, each connection seat 12 is provided with a nozzle 2, and the nozzle 2 penetrates through the kidney-shaped groove 31 at the upper portion thereof. In the present embodiment, the number of the adjusting frames 3 is one, the number of the nozzles 2 is plural, the number of the kidney-shaped grooves 31 is the same as that of the nozzles 2, and each nozzle 2 is provided in one kidney-shaped groove 31. The adjusting bracket 3 is matched with all the nozzles 2 to uniformly adjust the angles of the nozzles 2, and one adjusting bracket 3 is adjusted to move through one set of adjusting power part 4, so that the angles of the nozzles 2 are adjusted simultaneously. It should be noted that the present invention can also be in other structures, for example, the adjusting frame 3 can also be made into a device capable of adjusting a single nozzle 2, that is, a plurality of adjusting frames 3 are provided, each adjusting frame 3 correspondingly adjusts one or more nozzles 2, and a plurality of sets of adjusting power members 4 are arranged on the spray ring pipe 1, so as to realize angle differentiation adjustment of the nozzles 2.
According to the specific embodiment of the present invention, a plurality of sets of sliding members 6 are arranged between the adjusting frame 3 and the nozzle pipe 1 for slidably connecting the adjusting frame 3 and the nozzle pipe 1, and the plurality of sets of sliding members 6 are uniformly distributed along the axis of the nozzle pipe 1, and each sliding member 6 comprises: a T-shaped sliding block 61 fixedly connected with the adjusting frame 3 and a T-shaped sliding rail 62 which is fixed on the spray ring pipe 1 and is matched with the T-shaped sliding block 61. In this embodiment, the T-shaped sliding blocks 61 are uniformly distributed outside the adjusting frame 3, and the number of the T-shaped sliding blocks is the same as that of the T-shaped sliding rails 62 fixed to the nozzle ring 1, and the T-shaped sliding blocks 61 are assembled in the T-shaped sliding rails 62 and can freely slide.
According to the embodiment of the present invention, the connection seats 12 are generally cylindrical and tubular, and the axis L2 of each connection seat 12 intersects with the axis L1 of the nozzle pipe 1. By utilizing the structure, each spray head can be ensured to be arranged right opposite to the center of the spray ring pipe 1, and the air conveying effect is favorably improved.
According to an embodiment of the invention, the adjustment power member 4 comprises: the rotary power piece 41 and the intermediate transmission piece 42, one end of the intermediate transmission piece 42 is connected with the rotary power piece 41, the other end of the intermediate transmission piece 42 is fixedly connected with the adjusting frame 3, and the intermediate transmission piece 42 is used for converting the rotation of the rotary power piece 41 into the rotation of the adjusting frame 3. More specifically, the rotary power member 41 is a servo motor, the intermediate transmission member 42 includes a gear 421 connected to the servo motor, and a rack 422 meshed with the gear 421, the rack 422 is fixedly connected to the adjusting frame 3 through a right-angle connecting plate 423, and the rack 422 is driven by the gear 421 to move, so as to drive the adjusting frame 3 to rotate.
In specific implementation, the rotating power component 41 is a motor with controllable rotation angle or number of turns of the output shaft, and is used as driving power for adjusting the angle of the nozzle 2, specifically, it can be a servo motor or a stepping motor. When the servo motor drives the gear 421 to rotate counterclockwise, the gear 421 drives the adjusting frame 3 to rotate clockwise, so that the nozzle 2 swings downwards, otherwise, the nozzle 2 swings upwards, and the swing range is limited in the kidney-shaped groove 31. In this embodiment, the intermediate transmission member 42 is a rack and pinion, the servo motor and the adjusting bracket 3 are driven by the rack and pinion, and the intermediate transmission member 42 may be a structure in which the adjusting bracket 3 is driven to rotate by a planar link mechanism, or a cam swing mechanism, or a structure in which the adjusting bracket 3 is driven by a worm, a belt, a screw, or a chain transmission mechanism, so that the adjusting bracket 3 rotates. Similar to the main structure, the technical solution of only changing the transmission manner between the adjusting power member 4 and the adjusting frame 3 should be included in the protection scope of the present invention.
Referring to fig. 7-8, the present invention further provides an air-assisted sprayer, which comprises a barrel 200 and the nozzle angle adjustable spray ring 100, wherein the nozzle angle adjustable spray ring 100 is disposed on one side of the barrel 200, and one end of the power adjusting member 4 is fixed on the barrel 200. In this embodiment, the spray ring 100 with an adjustable nozzle angle of the present invention is applied to an air-assisted sprayer, so that the range and the average particle size of the sprayer can be adjusted, and fine tuning of a mist field can be realized to perform precise positioning treatment and qualitative treatment on dust.
Example two
Referring to fig. 6, the direction of the arrow in fig. 6 is the height direction of the adjusting frame 3, and the direction of the arrow is the extending and retracting direction of the linear power actuator 43. An adjustable nozzle angle spray ring 100 comprising: spout ring pipe 1, the nozzle 2, alignment jig 3 and regulation power spare 4, it is whole for the annular tube form to spout ring pipe 1, be equipped with the kidney slot 31 that runs through on it on alignment jig 3, the extending direction of kidney slot 31 is Q with the contained angle of the direction of height of alignment jig 3, 0 < Q < 90, nozzle 2 runs through kidney slot 31, and the one end of nozzle 2 with spout and link to each other for ball joint between the ring pipe 1, alignment jig 3 with spout ring pipe 1 sliding connection, regulation power spare 4 is used for driving alignment jig 3 and follows to spout ring pipe 1 and make a round trip to slide in order to change the angle of nozzle 2. The adjusting power part 4 is a linear power actuator 43 for providing linear reciprocating power, and the force application direction of the linear power actuator 43 is the same as the height direction of the adjusting frame 3.
The second embodiment is basically the same as the first embodiment in structure, and is different from the first embodiment in that the power adjusting part 4 is different. The first embodiment is to convert the rotary motion of the rotary power member 41 into the swing motion of the nozzle 2, and the second embodiment is to use the linear power actuator 43 to drive the adjusting bracket 3 to rotate, so as to convert the up-and-down motion of the linear power actuator 43 into the swing motion of the nozzle 2. In specific implementation, the linear power actuator 43 may be a cylinder or a cylinder. The linear motion actuating mechanism and the spray ring pipe 1 are both arranged at a position close to an air outlet of the fan, the swing seat 5 is arranged on the spray ring pipe 1, the spray nozzle 2 penetrates through the adjusting frame 3 and is arranged on the swing seat 5, and the linear motion actuating mechanism is connected with the adjusting frame 3. When the linear motion actuating mechanism drives the adjusting frame 3 to move upwards, the nozzle 2 swings upwards, otherwise, the nozzle 2 swings downwards.
Compared with the prior art, the spray ring with the adjustable nozzle angle can realize adjustable range and adjustable average fog particle size. The spray ring with the adjustable nozzle angle is applied to an air-assisted sprayer, and the parameters of the sprayer are adjusted according to the specific position of dust and the average particle size of the dust by combining the modes of visual linkage, dust linkage, gray scale identification linkage based on machine vision and the like, so that the accurate treatment is realized.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.

Claims (10)

1. A spray ring capable of adjusting the angle of a spray nozzle is characterized by comprising: the spray ring pipe is integrally in an annular pipe shape, a kidney-shaped groove penetrating through the spray ring pipe is formed in the adjusting frame, an included angle between the extending direction of the kidney-shaped groove and the height direction of the adjusting frame is an acute angle, the nozzle penetrates through the kidney-shaped groove, one end of the nozzle is connected with the spray ring pipe in a ball hinge mode, the adjusting frame is connected with the spray ring pipe in a sliding mode, and the adjusting power piece is used for driving the adjusting frame to slide back and forth along the spray ring pipe so as to change the angle of the nozzle.
2. The nozzle angle adjustable spray ring of claim 1, wherein the spray ring pipe comprises an annular water pipe and a connecting seat arranged on the annular water pipe, the nozzle angle adjustable spray ring further comprises a swinging seat, the swinging seat comprises a main body part and a ball head in ball joint with the main body part, the main body part is connected with the connecting seat, and the ball head is connected with the nozzle.
3. The nozzle angle adjustable nozzle ring according to claim 2, wherein the main body includes a ball seat and a pressing cover, the ball seat and the pressing cover are connected by screw threads and together form a ball receiving cavity, the outer wall of the ball head is symmetrically provided with a set of ball side planes of a planar structure, the inner wall of the pressing cover is symmetrically provided with a set of pressing cover side planes of a planar structure, the ball head is arranged in the ball receiving cavity and the pressing cover side planes are abutted against the ball side planes, one end of the pressing cover, which is far away from the ball seat, is provided with a pressing ring for preventing the ball head from coming off, and the ball seat is connected with the connecting seat.
4. The nozzle angle adjustable spray ring of claim 3, wherein the number of the connecting seats is plural, and the plural connecting seats are uniformly distributed along the axis of the spray ring pipe, the adjusting frame is integrally in a ring shape coaxial with the spray ring pipe, the number of the kidney-shaped grooves is the same as the number of the connecting seats, and the plural kidney-shaped grooves are arranged in one-to-one correspondence with the plural connecting seats, and each connecting seat is provided with a nozzle penetrating through the kidney-shaped groove at the upper part thereof.
5. The nozzle angle-adjustable spray ring according to claim 4, wherein a plurality of sets of sliding members are arranged between the adjusting frame and the spray ring pipe, and the sliding members are uniformly distributed along the axis of the spray ring pipe, and comprise: the T-shaped sliding block is fixedly connected with the adjusting frame, and the T-shaped sliding rail is fixed on the spray ring pipe and matched with the T-shaped sliding block.
6. The nozzle angle adjustable spray ring of claim 5, wherein the connection seats are generally cylindrical and tubular, and each axis of the connection seats intersects with the axis of the spray ring pipe.
7. The adjustable nozzle angle spray ring of claim 6, wherein said adjustment power member comprises: the rotary power part comprises a rotary power part and an intermediate transmission part, wherein one end of the intermediate transmission part is connected with the rotary power part, the other end of the intermediate transmission part is fixedly connected with the adjusting frame, and the intermediate transmission part is used for converting the rotation of the rotary power part into the rotation of the adjusting frame.
8. The spray ring of claim 7, wherein the rotary power member is a servo motor, the intermediate transmission member comprises a gear connected to the servo motor and a rack engaged with the gear, the rack is fixedly connected to the adjusting frame through a right-angle connecting plate, and the rack is driven by the gear to move, so as to drive the adjusting frame to rotate.
9. The spray ring with the adjustable nozzle angle as claimed in claim 1, wherein the adjusting power member is a linear power actuator for providing linear reciprocating power, and the force application direction of the linear power actuator is the same as the height direction of the adjusting frame.
10. An air-assisted sprayer, which is characterized by comprising a barrel and a spray ring with an adjustable nozzle angle as claimed in any one of claims 1 to 9, wherein the spray ring with the adjustable nozzle angle is arranged on one side of the barrel, and one end of the adjusting power part is fixed on the barrel.
CN202110200107.0A 2021-02-23 2021-02-23 Spray ring with adjustable nozzle angle and air-assisted sprayer Pending CN112827290A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113350935A (en) * 2021-07-08 2021-09-07 桐乡市京都印染股份有限公司 Air purification spraying device of printing and dyeing room and spraying control method thereof
CN113877331A (en) * 2021-10-16 2022-01-04 江苏崇畅机械有限公司 Extension type multidirectional dust fall fog gun
CN114654866A (en) * 2022-03-23 2022-06-24 滁州学院 Composite bonding device and method for producing plates by integrated insulation board
CN114770212A (en) * 2022-05-18 2022-07-22 北京精雕科技集团有限公司 Automatic nozzle angle adjusting device, automatic nozzle angle adjusting method and machine tool
CN115350855A (en) * 2022-09-21 2022-11-18 湖南九九智能环保股份有限公司 Nozzle angle adjusting device and spraying machine

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113350935A (en) * 2021-07-08 2021-09-07 桐乡市京都印染股份有限公司 Air purification spraying device of printing and dyeing room and spraying control method thereof
CN113877331A (en) * 2021-10-16 2022-01-04 江苏崇畅机械有限公司 Extension type multidirectional dust fall fog gun
CN113877331B (en) * 2021-10-16 2023-01-06 江苏崇畅机械有限公司 Extension formula multidirectional dust fall fog gun
CN114654866A (en) * 2022-03-23 2022-06-24 滁州学院 Composite bonding device and method for producing plates by integrated insulation board
CN114770212A (en) * 2022-05-18 2022-07-22 北京精雕科技集团有限公司 Automatic nozzle angle adjusting device, automatic nozzle angle adjusting method and machine tool
CN114770212B (en) * 2022-05-18 2023-11-17 北京精雕科技集团有限公司 Automatic nozzle angle adjusting device, automatic nozzle angle adjusting method and machine tool
CN115350855A (en) * 2022-09-21 2022-11-18 湖南九九智能环保股份有限公司 Nozzle angle adjusting device and spraying machine
CN115350855B (en) * 2022-09-21 2024-05-03 湖南九九智能环保股份有限公司 Nozzle angle adjusting device and sprayer

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