CN218459843U

CN218459843U - Spray nozzle

Info

Publication number: CN218459843U
Application number: CN202222505682.4U
Authority: CN
Inventors: 蔡金辉
Original assignee: ZHANGZHOU JIELONG AUTOMATION TECHNOLOGY CO LTD
Current assignee: ZHANGZHOU JIELONG AUTOMATION TECHNOLOGY CO LTD
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-02-10
Anticipated expiration: 2032-09-21

Abstract

The utility model provides a nozzle, which comprises a nozzle body; a medium flow passage is formed in the nozzle body along the axial direction; the spraying end of the nozzle body forms an inclined plane, and a spraying opening communicated with the medium flow passage is formed on the inclined plane; and a preset included angle is formed between the central line of the jet orifice and the axis of the nozzle body. The utility model has the advantages that: the glue can be sprayed on the material better and more uniformly, the gluing effect is improved, and the waste of the glue is reduced, so that the production cost of the shaving board is reduced; meanwhile, the glue falling onto the cylinder wall of the glue mixer is reduced, the probability of material clamping caused by the fact that the glue is attached to the cylinder wall can be reduced, the times of stopping the machine for cleaning the equipment can be further reduced, and the influence on production can be reduced; the conical structure design of the jet orifice can realize a larger atomizing jet angle and can bear various types of media.

Description

Spray nozzle

[ technical field ] A method for producing a semiconductor device

The utility model relates to a glue mixing equipment technical field, in particular to nozzle.

[ background of the invention ]

Shaving boards are also known as artificial boards, and are seen everywhere in daily life, and a ring-type glue blender is required to blend glue in the production process of the shaving boards. In order to spray glue into the ring type glue mixer, a spray gun is required to be arranged on the ring type glue mixer.

The cost required by the glue application amount of the shaving board exceeds 30 percent of the total production cost of the shaving board in the actual production process. In order to reduce the cost of glue application as much as possible, the prior art generally adopts a high-pressure spray gun to atomize and spray glue, for example, the Chinese utility model patent with the application date of 2017.07.18 and the application number of CN201720875857.7 discloses a glue spraying spray gun, which comprises a spray gun main body with a liquid channel and a nozzle channel, wherein the spray gun main body is provided with a gas channel, a flow guide device is arranged in the spray gun main body, an atomizing cavity is arranged at the position close to the nozzle channel, and the liquid channel and the gas channel are both communicated with the atomizing cavity through the flow guide device; the glue spraying gun is provided with the liquid channel and the gas channel, and can simultaneously supply liquid and gas, so that the glue spraying gun can be used as a double-fluid spray gun, is suitable for a spraying process in the wood industry, can atomize glue by utilizing gas, and can ensure that the glue is well atomized.

However, the nozzles of the existing high-pressure spray guns are all direct injection nozzles, and the high-pressure spray guns are located on one side of the ring-type glue mixer, so that glue can be sprayed onto the cylinder wall by the nozzles in actual work, glue application is not uniform, glue consumption needs to be increased, the glue is easy to adhere to the cylinder wall to cause material blocking, and frequent shutdown is needed to clean the glue adhered to the cylinder wall. In view of the above problems, the present inventors have conducted intensive studies and have made the present invention.

[ Utility model ] content

The to-be-solved technical problem of the utility model lies in providing a nozzle, solves current direct injection type nozzle and can spray gluey to section of thick bamboo wall on the in-service operation, and it is inhomogeneous to lead to gluey, needs to increase with gluey volume, and glues and causes the card material on adhering to section of thick bamboo wall very easily, needs frequently to shut down the problem of clearance glue on adhering to section of thick bamboo wall.

The utility model discloses a realize like this: a nozzle comprising a nozzle body; a medium flow passage is formed in the nozzle body along the axial direction; the spraying end of the nozzle body forms an inclined plane, and a spraying opening communicated with the medium flow passage is formed on the inclined plane; and a preset included angle is formed between the central line of the jet orifice and the axis of the nozzle body.

Furthermore, a plug cavity communicated with the jet orifice is formed in the side wall of the nozzle body, and a nozzle plug is assembled in the plug cavity.

Furthermore, the injection port comprises a first conical cavity which is gradually reduced from the choke plug cavity to the outside, a second conical cavity which is gradually reduced from the first conical cavity to the outside, and a third conical cavity which is gradually enlarged from the second conical cavity to the outside.

Further, the preset included angle is greater than 0 ° and less than 90 °.

Further, the preset included angle is greater than or equal to 30 ° and less than or equal to 60 °.

Further, the central line of the jet orifice is perpendicular to the inclined plane.

Further, the nozzle plug comprises a cone section positioned at the front end, a plugging section positioned in the middle and a first threaded connection section positioned at the tail end; the side wall of the plugging section is provided with a spiral medium guide groove, a transition section is formed between the first threaded connection section and the plugging section, and a medium collecting cavity communicated with the medium flow channel is formed between the transition section and the plug cavity.

Further, the plug cavity comprises a cylindrical bolt connection cavity and a cylindrical plugging cavity, and the outer diameter of the cylindrical bolt connection cavity is larger than that of the cylindrical plugging cavity; the inner wall of the cylindrical spiral connection cavity is provided with an internal thread connected with the first thread connection section in a spiral mode, and the inner diameter of the cylindrical plugging cavity is equal to the outer diameter of the plugging section.

Furthermore, a second threaded connection section is formed at the upper end of the nozzle body, and a sealing groove is formed in the second threaded connection section.

Furthermore, the medium flow channel comprises a first flow channel section positioned at the upper part, a second flow channel section positioned at the middle part and a third flow channel section positioned at the lower part, wherein the caliber of the second flow channel section is smaller than that of the first flow channel section, and the caliber of the third flow channel section is smaller than that of the second flow channel section; a first tapered section gradually reduced from top to bottom is formed between the first flow channel section and the second flow channel section, and a second tapered section gradually reduced from top to bottom is formed between the second flow channel section and the third flow channel section.

Through adopting the technical scheme of the utility model, following beneficial effect has at least:

1. by changing the traditional mode of directly jetting the medium by using a direct-jet nozzle, an inclined plane is formed at the jetting end of a nozzle body, a jetting port communicated with a medium flow passage is formed on the inclined plane, and a preset included angle is formed between the central line of the jetting port and the axis of the nozzle body, so that the medium is not jetted out in a linear jetting mode but jetted out in a preset included angle during working; therefore, the inclined plane of the nozzle faces to the stirring mechanism in the glue mixer only when the spray gun is installed, glue can be prevented from being directly sprayed onto the cylinder wall during spraying, on one hand, the glue can be sprayed onto materials better and more uniformly, the glue applying effect is improved, and the waste of the glue is reduced, so that the production cost of the shaving board is reduced; on the other hand, the glue falling onto the cylinder wall of the glue mixer is reduced, the probability of material blocking caused by the fact that the glue is attached to the cylinder wall can be reduced, the times of shutting down the cleaning equipment can be further reduced, and the influence on production can be reduced.

2. Through the design of the conical structure of the jet orifice, on one hand, a larger atomization jet angle can be realized, and through practical use, the atomization jet angle of about 120 degrees can be reached; on the other hand, the atomizing nozzle can bear various types of media, including oily glue, viscous glue and the like, and the atomizing spraying effect cannot be influenced due to different media.

3. The side wall of the nozzle body forms a plug cavity, the nozzle plug is arranged in the plug cavity and is provided with the plugging section and the cone section, so that the spiral medium guide groove of the plugging section can be used for guiding a medium when the nozzle body is used, the medium can generate a spiral effect, and the atomization effect of the medium when the medium is sprayed can be improved; meanwhile, the cone section can be matched with the jet orifice to adjust the jet flow of the medium.

[ description of the drawings ]

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

FIG. 1 is a cross-sectional view of a nozzle of the present invention;

fig. 2 is a cross-sectional view of a nozzle body according to the present invention;

fig. 3 is a cross-sectional view of the nozzle of the present invention with the piston plug disposed;

FIG. 4 is a partial enlarged view of portion A of FIG. 2;

fig. 5 is a structural diagram of the nozzle plug of the present invention.

Description of reference numerals:

100-nozzle, 1-nozzle body, 11-medium flow channel, 111-first flow channel segment, 112-second flow channel segment, 113-third flow channel segment, 114-first conical segment, 115-second conical segment, 12-inclined plane, 13-jet orifice, 131-first conical cavity, 132-second conical cavity, 133-third conical cavity, 14-plug cavity, 141-cylindrical screw cavity, 142-cylindrical plug cavity, 15-second threaded connection segment, 16-seal groove, 2-nozzle plug, 21-conical segment, 22-plug segment, 221-spiral medium guide groove, 23-first threaded connection segment, 231-rotary groove, 24-transition segment, 25-medium collection cavity, and 3-piston.

[ detailed description ] embodiments

For better understanding of the technical solutions of the present invention, the technical solutions of the present invention will be described in detail below with reference to the drawings and specific embodiments.

It should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience in describing the embodiments and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be configured and operated in a specific orientation. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

Referring to fig. 1 to 5, a preferred embodiment of a nozzle 100 of the present invention includes a nozzle body 1; a medium flow passage 11 is formed in the nozzle body 1 along the axial direction, and a medium (such as glue) can enter the nozzle body 1 through the medium flow passage 11; the spraying end of the nozzle body 1 forms an inclined plane 12, and a spraying opening 13 communicated with the medium flow passage 11 is formed on the inclined plane 12; a preset included angle is formed between the central line of the jet orifice 13 and the axis of the nozzle body 1, so that the nozzle 100 does not jet the medium in a direct manner, but jets out at the preset included angle.

The utility model discloses a change the tradition and utilize the direct injection formula nozzle to carry out the mode of penetrating directly to the medium, adopt and form an inclined plane 12 at the injection end of nozzle body 1, form the jet 13 that is linked together with medium runner 11 on inclined plane 12 to make and form the preset contained angle between the axis of the central line of jet 13 and nozzle body 1, make the during operation medium no longer spray away with the mode that the straight line sprays, but spray and come out with the preset contained angle; therefore, the inclined plane 12 of the nozzle 100 faces the stirring mechanism in the glue mixer only when the spray gun is installed, glue can be prevented from being directly sprayed onto the cylinder wall during spraying, on one hand, the glue can be sprayed onto materials better and more uniformly, the glue applying effect is improved, and the waste of the glue is reduced, so that the production cost of the shaving board is reduced; on the other hand, the glue falling to the wall of the glue mixer cylinder is reduced, the probability of material blocking caused by the fact that the glue is attached to the wall of the cylinder can be reduced, the times of shutting down the cleaning equipment can be further reduced, and the influence on production can be reduced.

In the preferred embodiment of the present invention, in order to achieve better atomization and spray effects, the side wall of the nozzle body 1 is formed with an end cap cavity 14 communicated with the spray opening 13, and the nozzle end cap 2 is assembled in the end cap cavity 14, so as to make the glue better form atomization effects by using the nozzle end cap 2.

In the preferred embodiment of the present invention, the injection port 13 includes a first conical cavity 131 gradually decreasing from the plug cavity 14 to the outside, a second conical cavity 132 gradually decreasing from the first conical cavity 131 to the outside, and a third conical cavity 133 gradually increasing from the second conical cavity 132 to the outside. By adopting the conical structural design of the jet orifice 13, on one hand, a larger atomization jet angle can be realized, and through practical use, the atomization jet angle of about 120 degrees can be reached; on the other hand, the atomizing nozzle can bear various types of media, including oily glue, viscous glue and the like, and the atomizing spraying effect cannot be influenced due to different media.

In the preferred embodiment of the present invention, in order to ensure that the nozzle 100 does not spray glue in a direct manner, the predetermined included angle is greater than 0 ° and less than 90 °.

As a preferred embodiment of the utility model, in order to promote and spout gluey effect, make glue spout the material better on, predetermine contained angle more than or equal to 30 and less than or equal to 60.

As an optimal embodiment of the present invention, the preset included angle is 45 °.

In the preferred embodiment of the present invention, the central line of the jet orifice 13 is perpendicular to the inclined plane 12, so that the glue can be sprayed more uniformly in an atomized manner, so that the material can be glued more uniformly, which is beneficial to improving the gluing effect on the material.

In the preferred embodiment of the present invention, the nozzle plug 2 comprises a tapered section 21 at the front end, a plugging section 22 at the middle part, and a first threaded connection section 23 at the end; a spiral medium guide groove 221 is formed in the side wall of the blocking section 22, and the spiral medium guide groove 221 is used for guiding a medium, so that the medium generates a spiral effect when passing through the blocking section 22, and the atomization effect is improved; a transition section 24 is formed between the first threaded connection section 23 and the plugging section 22, a medium collection cavity 25 communicated with the medium flow channel 11 is formed between the transition section 24 and the plug cavity 14, and a medium flowing out of the medium flow channel 11 is collected into the medium collection cavity 25 and then forms a spiral effect under the guiding action of a spiral medium guide groove 221 on the plugging section 22.

In the preferred embodiment of the present invention, the plug chamber 14 includes a cylindrical screwing cavity 141 and a cylindrical plugging cavity 142, and the outer diameter of the cylindrical screwing cavity 141 is larger than the outer diameter of the cylindrical plugging cavity 142, so that a step can be formed between the cylindrical screwing cavity 141 and the cylindrical plugging cavity 142, and the step is used for limiting the first threaded connection section 23 of the nozzle plug 2; the inner wall of the cylindrical screw joint cavity 141 is formed with internal threads (not shown) which are in screw joint with the first screw joint section 23, so as to realize the screw joint of the nozzle plug 2 and the nozzle body 1; the inner diameter of the cylindrical plugging chamber 142 is equal to the outer diameter of the plugging section 22, ensuring that the medium can only flow through the spiral medium guide groove 221.

The utility model discloses a lateral wall at nozzle body 1 forms end cap cavity 14, disposes nozzle end cap 2 in end cap cavity 14, and nozzle end cap 2 has shutoff section 22 and cone section 21, can enough utilize the spiral medium guide way 221 of shutoff section 22 to play the effect of guide to the medium when using, makes the medium produce the spiral effect, thereby can promote the atomizing effect of medium when spouting; meanwhile, the cone segment 21 can cooperate with the jet port 13 to adjust the jet flow of the medium.

In the specific implementation of the present invention, since the front end of the nozzle plug 2 is formed with the cone section 21, and the middle of the injection port 13 is formed with the second cone cavity 132, when the cone section 21 of the nozzle plug 2 is screwed into the second cone cavity 132, the deeper the cone section 21 is screwed into the cone section, the smaller the gap between the second cone cavity 132 and the cone section 21 is, the smaller the injection flow rate of the nozzle 100 is; conversely, the shallower the taper body segment 21 is screwed in, the larger the gap between the second taper cavity 132 and the taper body segment 21 is, the larger the ejection flow rate of the nozzle 100 is, and thus the adjustment of the ejection flow rate of the medium can be realized; meanwhile, the second cone cavity 132 and the cone section 21 are both cone-shaped structures, and the medium can generate a good cone-shaped atomization effect through the cooperation of the two.

In the preferred embodiment of the present invention, the end surface of the first threaded connection section 23 is formed with a rotation groove 231, so that the nozzle plug 2 can be rotated by using a tool to cooperate with the rotation groove 231, thereby screwing the nozzle plug 2 and the nozzle body 1 together.

In the preferred embodiment of the present invention, a second threaded connection section 15 is formed at the upper end of the nozzle body 1, and a sealing groove 16 is formed on the second threaded connection section 15. Because of when using, nozzle body 1 need use with the spray gun cooperation, consequently through forming second threaded connection section 15 in the upper end of nozzle body 1, both conveniently link together nozzle 100 and spray gun through threaded connection's mode to the realization atomizes the injection to glue, also can conveniently change nozzle 100 according to the in-service use needs. When the nozzle 100 is connected to the spray gun, a sealing ring needs to be disposed in the sealing groove 16 to achieve a sealing effect and ensure that the glue does not leak outwards.

In the preferred embodiment of the present invention, the medium flow channel 11 includes a first flow channel segment 111 located at the upper part, a second flow channel segment 112 located at the middle part, and a third flow channel segment 113 located at the lower part, wherein the caliber of the second flow channel segment 112 is smaller than that of the first flow channel segment 111, and the caliber of the third flow channel segment 113 is smaller than that of the second flow channel segment 112; a first tapered section 114 gradually reduced from top to bottom is formed between the first flow channel section 111 and the second flow channel section 112, and a second tapered section 115 gradually reduced from top to bottom is formed between the second flow channel section 112 and the third flow channel section 113. The utility model discloses a design whole medium runner 11 includes first runner section 111, first taper section 114, second runner section 112, second taper section 115 and third runner section 113 from top to bottom in proper order for when concrete implementation, can be convenient for cooperate piston end cap 3 to realize shutting off the operation to nozzle 100.

Although specific embodiments of the invention have been described herein, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, as equivalent modifications and variations within the spirit of the invention are intended to be covered by the appended claims.

Claims

1. A nozzle comprising a nozzle body; the method is characterized in that: a medium flow passage is formed in the nozzle body along the axial direction; the spraying end of the nozzle body forms an inclined plane, and a spraying opening communicated with the medium flow passage is formed on the inclined plane; and a preset included angle is formed between the central line of the jet orifice and the axis of the nozzle body.

2. The nozzle of claim 1, wherein: and a plug cavity communicated with the jet orifice is formed on the side wall of the nozzle body, and a nozzle plug is assembled in the plug cavity.

3. The nozzle of claim 2, wherein: the injection port comprises a first conical cavity gradually reduced from the choke plug cavity to the outside, a second conical cavity gradually reduced from the first conical cavity to the outside, and a third conical cavity gradually enlarged from the second conical cavity to the outside.

4. The nozzle of claim 1, wherein: the preset included angle is greater than 0 ° and less than 90 °.

5. The nozzle of claim 4, wherein: the preset included angle is greater than or equal to 30 degrees and less than or equal to 60 degrees.

6. The nozzle of claim 1, wherein: the central line of the jet orifice is perpendicular to the inclined plane.

7. The nozzle of claim 2, wherein: the nozzle plug comprises a cone section positioned at the front end, a plugging section positioned in the middle and a first threaded connection section positioned at the tail end; the side wall of the plugging section is provided with a spiral medium guide groove, a transition section is formed between the first threaded connection section and the plugging section, and a medium collecting cavity communicated with the medium flow channel is formed between the transition section and the plug cavity.

8. The nozzle of claim 7, wherein: the plug cavity comprises a cylindrical bolt connection cavity and a cylindrical plugging cavity, and the outer diameter of the cylindrical bolt connection cavity is larger than that of the cylindrical plugging cavity; the inner wall of the cylindrical spiral connection cavity is provided with an internal thread connected with the first thread connection section in a spiral mode, and the inner diameter of the cylindrical plugging cavity is equal to the outer diameter of the plugging section.

9. The nozzle of claim 1, wherein: the upper end of nozzle body is formed with second threaded connection section, just be formed with the seal groove on the second threaded connection section.

10. The nozzle of claim 1, wherein: the medium flow channel comprises a first flow channel section positioned at the upper part, a second flow channel section positioned at the middle part and a third flow channel section positioned at the lower part, the caliber of the second flow channel section is smaller than that of the first flow channel section, and the caliber of the third flow channel section is smaller than that of the second flow channel section; a first tapered section gradually reduced from top to bottom is formed between the first flow channel section and the second flow channel section, and a second tapered section gradually reduced from top to bottom is formed between the second flow channel section and the third flow channel section.