KR102606611B1 - Gear direct-mounted nozzle rotating device - Google Patents

Abstract

In the present invention, in order to expand the spray range through a two-fluid spray nozzle, the rotation operation is directly connected to a gear, and the rotation and rotation angle are controlled within a range of 180 degrees in the left and right directions, and spraying of the chemical liquid is provided, so that the spraying direction according to the nozzle spraying is provided. We provide a gear-directed nozzle body rotating device that is easy to control and is a simple component that eliminates malfunctions and minimizes the failure rate even after long-term use, ensuring the reliability of the device.
The above object of the present invention is a hollow rotating shaft through which a solution supply pipe connected to a liquid connection port passes and a horizontal interlocking gear is assembled on the outer circumferential surface, a bearing bush assembled at the lower end of the rotating shaft to support rotation, and the lower part of the bearing bush is a flange. A rotation support binding cap is assembled to the upper part of the support bracket to support rotation in a state that protrudes and prevents upward departure, and is fastened with a bolt to the rotation support binding cap at the lower part of the support bracket to accommodate the lower part of the bearing bush. Directly connected gear nozzle body rotation consisting of a support connection cap that rotates and supports, a reduction motor assembled on one side of the motor support plate, gear-coupled in the vertical direction with the horizontal linkage gear, and controlling the rotation of the vertical drive gear assembled on the motor shaft. This is achieved by the device.

Description

Gear direct-mounted nozzle rotating device}

The present invention relates to a rotating device for a two-fluid injection nozzle. More specifically, in order to expand the spray range of a chemical liquid, the rotation of the two-fluid injection nozzle is driven directly by gear, so that there is no malfunction and the rotation is performed within a range of 360 degrees in the left and right directions. And the spraying of chemical liquid is provided while the rotation angle is controlled, so it is convenient to control the spraying direction according to the nozzle spray. As a simple component, the failure rate is minimized even after long-term use by eliminating malfunctions, and the reliability of the device is guaranteed. It's about a rotating device.

In general, injection nozzles that spray fluid finely are largely divided into monofluid injection nozzles and double fluid injection nozzles.

The former monofluid spray nozzle directly sprays a single fluid at relatively high pressure (about 20 to 30 bar) through a pump and nozzle.

The latter two-fluid injection nozzle is a full-cone type injection with a relatively narrow injection angle (less than 20 degrees) and is sprayed according to the principle of siphon, that is, at relatively low pressure (about 4 to 5 bar). The liquid is sucked (liquid is sucked out) by the suction force (siphon) generated by the supplied gas and sprayed through the orifice (nozzle hole) at the tip of the nozzle, spraying it in the form of mist along with the air. Spray set - Various spray forms can be obtained depending on the combination of spray set-ups, so it is commercialized as a number of technologies in industries such as agriculture, livestock, urban quarantine nozzle systems, painting, and coating work.

In order to increase the spray range of these double-fluid spray nozzles, various technologies for rotating double-fluid spray nozzles have been disclosed in the related art.

Patent Document 1 can be cited as an example regarding this two-fluid injection nozzle rotating device.

Patent Document 1 relates to a 'rotary spraying device using two-fluid spraying', and aims to improve the coupling relationship between the rotating nozzle, nozzle body, and connector that constitutes the nozzle assembly for the rotary spraying device, and to facilitate the flow of air and fluid. The connecting packing is interposed, and the fastening screw is combined so that the direction of the connecting pipe can be freely adjusted, making it easy to adjust the direction of the connecting pipe with respect to the nozzle body and fixing the state in which the connecting pipe is easily removed or whose direction is adjusted. It is designed to increase the dispersibility of the fluid without interfering with the flow.

Patent Document 1 proposes that the components are manufactured in a complex structure to construct the nozzle body, but it includes a spray housing made of complex components to rotate the two-fluid spray nozzle, a nozzle body divided into two sides in the spray housing, and the like. As it is connected to the end of the nozzle body with an intermittent nut and airtightly assembled by connecting packing, manufacturing costs are high due to multiple component parts and assembling them, and in the event of a failure, it requires a lot of time to disassemble each component and replace parts. There is.

Korean Patent No. 10-1489602 (registered on January 28, 2015)

The problem that the present invention aims to solve is that, despite the simplification of the structural members, the spray range of the double fluid injection nozzle is within the range of 360 degrees, and the rotation motion of the nozzle body is driven directly by gear, so that the rotation and rotation angle are within the range of 180 degrees in the left and right directions. The aim is to provide a direct gear-coupled nozzle body rotation device that can increase spraying efficiency by enabling spraying through controlled and free angle adjustment.

In addition, the present invention provides a direct gear-coupled nozzle body rotating device that has no failure rate and reduces manufacturing costs by not adopting complicated components and rotating the rotating operation in a direct gear-coupled manner.

The direct gear-coupled nozzle body rotating device proposed as a means of solving the problem of the present invention,

A two-fluid spray nozzle consisting of a nozzle body in which a spray nozzle having a spray nozzle hole is assembled in the front and a liquid connection port to which the solution supply pipe drawn from the solution tank is connected and an air connection port to which the air supply pipe is connected is provided on the same axis. In the nozzle rotating device that sprays while rotating the angle,

An air supply rotary shaft with a horizontal interlocking gear assembled on the outer circumferential surface of a hollow pipe through which an air supply connection passage passes, the tip of which is fixed to the air connection port and the solution supply pipe connected to the liquid connection port, and a lower end of the air supply rotation shaft; A bearing bush that is assembled with screws and penetrates a connecting shaft hole to support rotation, a lower part of the bearing bush that protrudes a flange and is assembled to the upper part of the support bracket to support rotation in a state in which upward separation is prevented, and It is fastened with a bolt to the rotation support binding cap at the lower part of the support bracket to support rotation while receiving the lower part of the bearing bush, and is assembled to the motor support plate of a normal housing and is mounted in a direction perpendicular to the horizontal linkage gear. It includes a reduction motor that is gear-coupled and controls the rotation of a vertical drive gear assembled on the motor shaft, wherein the bearing bush and the rotation support binding cap are connected to a fastening passage that penetrates the shaft hole in the horizontal direction and have upper and lower outer peripheral surfaces. It is characterized by being configured to supply air to the air chamber of the nozzle body through the air supply passage of the air supply rotation shaft through the connecting shaft hole through an airtight air supply path.

Here, the horizontal interlocking gear, which is directly connected to the rotation of the vertical drive gear of the reduction motor, is interlocked to rotate the air supply rotation shaft and the nozzle body rotates left and right to spray the double fluid nozzle within an angular range of 360 degrees. It is characteristic.

In addition, in the present invention, the bearing bush has a flange protruding from the lower part and a circular groove passage is protruded on the outer circumferential surface, and an air supply path is formed in which a plurality of connecting through holes in the horizontal direction communicate with the connecting shaft hole in the circular groove passage. O-ring grooves are formed on the upper and lower outer peripheral surfaces of the circular groove passage, and in the assembled state, the O-ring is engaged at the bottom of the shaft hole of the rotation support binding cap and is assembled in a state where upward departure is prevented by the flange, and the rotation support binding cap is The support connection cap is fastened with a bolt at the bottom of the support bracket so that the flange is accommodated in the extended step groove at the top, so that the bearing bush is installed on the axis without the bottom being separated.

In addition, in the present invention, the support connection cap has an extended step groove formed on the upper part of the flange formed to correspond to the outer diameter of the rotation support binding cap, and the solution supply pipe penetrates and a packing groove and an expansion screw portion at the bottom. It is configured to penetrate the processed supply pipe shaft hole, and the expansion screw portion is screw-assembled with packing interposed at the inlet of the solution container, so that the packing is in close contact with the packing groove, forming an outer peripheral surface of the solution supply pipe penetrating the supply pipe shaft hole. It is characterized by being configured to supply chemical liquid to the liquid chamber through the liquid connection port machined on the nozzle body of the double fluid injection nozzle through the connection shaft hole of the bearing bush and the air supply connection path of the air supply rotation shaft in a completely airtight state. am.

According to the present invention, the rotation motion to increase the spraying range of the double fluid nozzle is directly driven by gear, which has the advantage of simple control and industrial mass production by simplifying the configuration.

In addition, according to the present invention, there is an advantage that the operating range can be set by direct gear drive within the 360-degree range of the double fluid injection nozzle by controlling the reduction motor.

In addition, according to the present invention, the injection angle of the nozzle body is provided within a range of 360 degrees by controlling the rotation of the motor shaft of the drive motor by gear coupling without adopting complex structural members, so that injection control is clear and the failure rate is low even after long-term use. There is also the advantage of reducing manufacturing costs.

Figure 1 is a perspective view of the present invention in an assembled state.
Figure 2 is an exploded perspective view of the structural members of the present invention.
Figure 3 is a longitudinal cross-sectional view of the installed state according to the present invention.
Figure 4 is an enlarged view of an excerpt of part "F" of Figure 3.
FIG. 5 is an enlarged view of an excerpt of part “G” of FIG. 3.
Figure 6 is an enlarged view of portion "H" of Figure 5.
Figure 7 is a longitudinal cross-sectional view of another embodiment of the present invention in an installed state.
Figure 8 is a longitudinal cross-sectional view of another embodiment of the present invention in an installed state.
Figure 9 is a partially omitted plan view of the main part of the present invention.
Figure 10 is a plan view showing the main operation of the rotational operation of the two-fluid injection nozzle according to the operation of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

In the description of the present invention, the structure and size of the components shown in the drawings may be simplified or simplified as long as they do not cause problems in the description of the invention.

Figure 1 is a perspective view of the assembled state of the present invention, Figure 2 is an exploded perspective view of the structural members of the present invention, and Figure 3 is a longitudinal cross-sectional view of the installed state according to the present invention.

Referring to these drawings, the present invention is proposed to be used by spraying a chemical solution while rotating at a certain angle within the range of 360 to expand the spray range of the two-fluid nozzle described in the background art.

That is, the present invention is a spray nozzle 120 having a spray nozzle hole 121 at the front, each liquid connection port 111 to which the solution supply pipe (A-1) and the air supply pipe (A-2) are connected, The air connection port 112 is configured to spray a chemical solution while rotating the two-fluid spray nozzle 100, which consists of a nozzle body 110 provided on the same axis, at a certain angle within a 360-degree range to provide a wide spray range when necessary.

As shown in the enlarged excerpt of FIG. 4, the double fluid injection nozzle 100 sprays the liquid supplied from the liquid connection port 111 through the liquid chamber 110a formed in the nozzle body 110. The liquid injection nozzle 121 and the air injection nozzle 122, which sprays compressed air supplied from the air connection port 112 through the air chamber 110b, are assembled by the binding cap 123. It has a conventional structure in which a spray nozzle 120 is provided in front of the body 110.

At this time, the liquid connection port 111 and the air connection port 112 penetrate the lower part of the nozzle body 110 vertically and coaxially.

In the present invention, such a two-fluid spray nozzle 100 sprays the chemical solution while angularly shifting (360 degrees in the range of 180 degrees left and right).

That is, the direct gear-coupled nozzle body rotating device of the present invention includes an air supply rotation shaft 210 assembled on the nozzle body 110 of the double fluid injection nozzle 100, and a horizontal interlocking gear 220 assembled on this air supply rotation shaft. , a vertical drive gear 250 engaged with the horizontal linkage gear at 90 degrees, and a reduction motor 240 that assembles the vertical drive gear to the motor shaft 241 and rotates it.

The air supply rotary shaft 210 is a hollow pipe through which the air supply connection path 211 passes, and its tip is fixed to the nozzle body 110 by welding or screwing and is connected to the air chamber 110b.

As shown in FIG. 5, a horizontal interlocking gear 220 is assembled with a shaft hole on the outer peripheral surface of the air supply rotation shaft 210, and a vertical drive gear 250 is installed on the motor shaft 241 with a shaft hole. ), each is fastened and fixed with a setting screw (S).

The reduction motor 240 may be disposed on the lower side of the horizontal linkage gear 220 and configured by gear coupling with the vertical drive gear 250. As shown in FIG. 7, the horizontal linkage gear 250 It is placed on the upper side and can be provided by gear coupling with the vertical drive gear 250.

In addition, the air supply rotation shaft 210 is inserted into the shaft hole 231 of the rotation support binding cap 230 assembled on the upper part of the support bracket (B/P) and rotatably assembled, and the air supply path 238 is connected. Rotation is supported by shaft assembly by screwing the threaded portion 236 machined on the upper part of the connecting shaft hole 235a of the bearing bush 235 and the threaded portion 210a machined on the lower outer peripheral surface.

The air supply passage 238 of the bearing bush 235 has a circular groove passage 238a protruded on the outer peripheral surface, and a plurality of connecting holes 238b in the horizontal direction are connected to this circular groove passage, preferably at 90-degree intervals. It is connected to the shaft hole 235a.

In addition, the bearing bush 235 is provided with upper and lower O-ring grooves 239a and 239b so that the upper and lower parts of the air supply path 238 are airtight with the inner peripheral surface of the shaft hole 231 of the rotation support binding cap 230. O-ring (O/R) is assembled.

The rotation support binding cap 230 has a fastening passage 232 penetrated in the horizontal direction through the shaft hole 231 penetrated in the vertical direction, and the air supplied by the air supply pipe (A-2) screwed thereto is connected to the bearing bush. It is supplied to the circular groove passage 238a forming the air supply path 238 of (235) and at the same time is supplied to the connection shaft hole 235a in the vertical direction through each of the connection holes 238b, and the connection shaft hole ( It is supplied to the air chamber 110b of the nozzle body 110 through the air supply connection path 211 of the air supply rotation shaft 210 screwed to the threaded portion 236 of 235a) and the air injection. It is discharged through the nozzle 122.

Referring to the enlarged view of FIG. 6, the bearing bush 235 has a flange 237 protruding from the bottom and is coupled to the lower part of the shaft hole 231 of the rotation support binding cap 230 to prevent upward separation. At the bottom of the support bracket (B/P), the support connection cap 260 is fastened to the rotation support binding cap 230 with a bolt (B/T) to connect the flange 237 to the upper extended step groove ( 232), the bearing bush 235 is installed on its axis without the lower part being separated, and as a result, the air supply rotation shaft 210 is provided with smooth rotation by the bearing bush 235.

The support connection cap 260 forms a flange 263 corresponding to the outer diameter of the rotation support binding cap 230, so that an expanded step groove 262 is formed at the top, and the solution supply pipe (A-1) is formed. It is formed by penetrating through the supply pipe shaft hole 261, which has a packing groove and an expansion screw portion 264 machined at the bottom.

The expansion screw portion 264 is screw-assembled with the packing P interposed at the inlet 11 of the solution tank 10, so that the packing P is in close contact with the packing groove and penetrates the supply pipe shaft hole 261. The outer peripheral surface of the solution supply pipe (A-1) is completely airtight and passes through the connecting shaft hole 235a of the bearing bush 235 and the air supply connection path 211 of the air supply rotation shaft 210, The chemical can be supplied to the liquid chamber 110a through the liquid connection port 111 machined on the nozzle body 110 of the spray nozzle 100 and discharged through the liquid spray nozzle 121.

Of course, the supply of compressed air for spraying the chemical liquid supplied in this way is provided by the liquid spray nozzle 121 through the air injection nozzle 122, which sprays compressed air supplied to the air chamber 110b through the air connection port 112. It is natural that the solution is sprayed while being sucked into the nozzle hole, and this spray of the chemical solution is already a well-known two-fluid spray nozzle, so detailed description will be omitted and it will be fully understood.

In addition, although the support bracket (B/P) is not shown in the drawings, it can be understood as being provided in the housing housing the present invention, and the reduction motor 240 is also installed by the motor assembly plate (M/P) of the enclosure. Can be assembled.

The air supply rotation shaft 210 may be fixed by welding while assembled through the air connection port 112 machined on the nozzle body 110, or may be fixed by screw assembly through threading, By supporting the bearing bush 235 assembled to the rotation support coupling cap 230 and the support connection cap 260, smooth rotation and simultaneous supply of compressed air can be provided.

In this invention, as shown in FIGS. 9 and 10, the horizontal linkage gear 220 meshed with the rotation of the vertical drive gear 250 assembled on the motor shaft 241 of the reduction motor 240 is directly connected. As it rotates, rotational power is transmitted.

As a result, the two-fluid spray nozzle 100 assembled on the air supply rotation shaft 210 sprays the chemical solution while displacing its angle within a maximum of 360 degrees (180 degrees to the left or right) with synchronous rotation, or at a desired angle. The chemical solution can be sprayed in the set state.

The chemical spray of the two-fluid spray nozzle 100 is applied to the inlet 11 of the solution tank 10 through the expansion screw portion 264 on the inner peripheral surface of the lower side of the support connection cap 260 assembled to the support bracket (B/P). ) is fastened by screw assembly.

Then, the flexible solution supply pipe (A-1) passes through the connecting shaft hole 235a of the bearing bush 235 and the air supply connection path 211 of the air supply rotation shaft 210 to the nozzle of the double fluid injection nozzle 100. It is connected to the liquid chamber (110a) through the processed liquid connection port (111) of the body (110).

In this state, compressed air is supplied to the air injection nozzle 122 by the air supply pipe (A-2), sucking liquid (chemical liquid) through the liquid chamber (110a), and finely discharging the liquid through the liquid nozzle 121. It is natural that the normal function of a two-fluid injection nozzle that sprays well is provided.

Figure 8 is another embodiment of the air supply rotating shaft 210 according to the present invention, a longitudinal cross-sectional view showing the assembled state of the two-fluid injection nozzle 100 and the air supply bending shaft 221, and the air supply bending shaft 221 ) is formed by an angular axis 221b inclined at the top of the vertical axis 221a so as to support the tip of the nozzle body 110 upward, so that the air supply connection path 211 is formed.

In this embodiment, the spraying angle of the chemical solution is upward when the spray nozzle 120 of the two-fluid spray nozzle 100 is angularly displaced by 360 degrees, so that a longer distance and spraying range can be increased when spraying by angular displacement. There is an advantage.

In this invention, even in a simple configuration, in order to expand the chemical spray range of the two-fluid injection nozzle 100, angular rotation is provided by direct gear connection, so angular displacement and angle fixation are certain, there is no malfunction even after long-term use, and angle setting is possible through the gear. It has the advantage of being directly connected, making it easy to control.

The scope of the present invention described above should not be limited to the described embodiments, but should be determined by the claims and equivalents as well as the claims described below.

100: Two-fluid injection nozzle 110: Nozzle body
120: spray nozzle 121: liquid spray nozzle
122: air injection nozzle 123: binding cap
210: air supply rotation shaft 210a, 236: threaded portion
211: air supply connection 220: horizontal interlocking gear
221: air supply bending axis 221a: vertical axis
221b: Angle axis 230: Rotation support binding cap
231: shaft hole 232: fastening passage
235: bearing bush 237: flange
238: air supply passage 238a: circular groove passage
238b: Connection hole 239a: Upper O-ring groove
239b: Lower O-ring groove 240: Reduction motor
241: motor shaft 250: vertical drive gear
260: Support connection cap 261: Supply pipe shaft hole
262: Extended step groove 263: Flange
A-1: Solution supply pipe A-2: Air supply pipe
B/P: Support bracket M/P: Motor support plate

Claims (5)

A two-fluid spray nozzle consisting of a nozzle body in which a spray nozzle having a spray nozzle hole is assembled in the front and a liquid connection port to which the solution supply pipe drawn from the solution tank is connected and an air connection port to which the air supply pipe is connected is provided on the same axis. In the nozzle rotating device that sprays while rotating the angle,
an air supply rotary shaft having a horizontal interlocking gear assembled on its outer circumferential surface, a hollow tube having a tip fixed to the air connection port and an air supply connection path passing through the solution supply pipe connected to the liquid connection port;
A bearing bush that is screw-assembled with the lower end of the air supply rotating shaft and penetrates the connecting shaft hole to support rotation:
The lower part of the bearing bush protrudes from the flange and is assembled to the upper part of the support bracket to support rotation in a state in which upward separation is prevented;
A support connection cap that is fastened with a bolt to the rotation support coupling cap at the lower part of the support bracket and supports rotation while accommodating the lower part of the bearing bush: and,
A deceleration motor assembled on the motor support plate of a typical housing, geared to the horizontal linkage gear in a vertical direction, and controlling the rotation of a vertical drive gear assembled on the motor shaft; Including,
The bearing bush is connected to a fastening passage that penetrates the shaft hole in the horizontal direction, and the upper and lower outer peripheral surfaces of the bearing bush are connected to the air supply passage of the air supply rotation shaft by the connecting shaft hole by an air supply passage that is airtight. A direct gear-coupled nozzle body rotating device characterized in that it is supplied to the air chamber of the nozzle body.
According to paragraph 1,
The horizontal interlocking gear, which is directly connected to the rotation of the vertical drive gear of the reduction motor, is interlocked to rotate the air supply rotation shaft and the nozzle body rotates left and right to spray the double fluid injection nozzle within a 360-degree angle range. Characterized by a gear direct-coupled nozzle body rotating device.
In paragraph 1
The bearing bush has a flange protruding from the lower part and a circular groove passage is protruded on the outer circumferential surface, and an air supply path is formed in which a plurality of connecting holes in the horizontal direction communicate with the connecting shaft hole in the circular groove passage, and the upper and lower parts of the circular groove passage are formed. An O-ring groove is formed on the outer peripheral surface, and the O-ring is assembled at the bottom of the shaft hole of the rotation support binding cap to prevent upward departure by the flange,
The rotation support coupling cap is fastened with a bolt at the lower part of the support bracket so that the flange is accommodated in the extended step groove at the top, so that the bearing bush is installed on the axis without the lower part being separated. A gear direct-coupled nozzle body rotating device.
According to paragraph 1,
The support connection cap has an expanded step groove formed on the upper part of the flange formed to correspond to the outer diameter of the rotation support binding cap, and the solution supply pipe passes through it and passes through a supply pipe shaft hole machined at the bottom with a packing groove and an expansion screw portion. Compose,
The expansion screw part is screw-assembled with packing interposed at the inlet of the solution tank, so that the packing is in close contact with the packing groove, so that the outer peripheral surface of the solution supply pipe penetrating the supply pipe shaft hole is completely airtight. A direct gear-coupled nozzle body rotating device, characterized in that the chemical liquid is supplied to the liquid chamber through the liquid connection port machined on the nozzle body of the two-fluid injection nozzle through the air supply connection path of the connection shaft hole and the air supply rotation shaft.
According to paragraph 1,
The air supply rotation axis is an angular axis inclined at the top of the vertical axis so as to support the spray nozzle of the nozzle body upward, and the air supply connection path 211 is formed. A gear directly connected nozzle body rotation device.

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