CN114558708A - Spray valve and spray coating device for metallization of surface of 5G filter - Google Patents
Spray valve and spray coating device for metallization of surface of 5G filter Download PDFInfo
- Publication number
- CN114558708A CN114558708A CN202110352777.4A CN202110352777A CN114558708A CN 114558708 A CN114558708 A CN 114558708A CN 202110352777 A CN202110352777 A CN 202110352777A CN 114558708 A CN114558708 A CN 114558708A
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- Prior art keywords
- rod
- valve body
- firing pin
- spray
- nozzle
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- 239000007921 spray Substances 0.000 title claims abstract description 42
- 238000001465 metallisation Methods 0.000 title claims abstract description 24
- 238000005507 spraying Methods 0.000 title claims abstract description 16
- 239000002002 slurry Substances 0.000 claims abstract description 33
- 238000010304 firing Methods 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims 2
- 238000000889 atomisation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Nozzles (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a spray valve and a spray device for metallization of the surface of a 5G filter, and the spray valve and the spray device comprise a valve body, a firing pin, a piston, a slurry inlet, a metal slurry nozzle and an atomization spray head, wherein the piston is fixed at the upper part of the firing pin, the valve body is provided with an air inlet channel and an air exhaust channel, the piston and the firing pin reciprocate in the valve body under the action of air pressure, a sealing assembly is arranged between the firing pin and the valve body, the slurry inlet is arranged at the lower part of the valve body, the bottom of the valve body is detachably provided with a switching block with a central hole, the metal slurry nozzle is detachably assembled at the bottom of the switching block, the bottom end of the firing pin penetrates through the central hole and extends into the metal slurry nozzle, the atomization spray head is assembled outside the metal slurry nozzle, and the side wall of the metal slurry nozzle is uniformly provided with a plurality of guide grooves. The spray valve has compact structure, small volume and stable and reliable operation; and the atomization effect is good, the spraying amount of the slurry is convenient to adjust, the control precision is high, and the metal slurry is saved.
Description
Technical Field
The invention relates to a 5G filter surface metallization device, in particular to a spray valve and a spray device for 5G filter surface metallization.
Background
With the advent of the 5G era, 5G communication products such as a filter industry are rapidly developed. New communication systems require the development of a technology capable of extracting and detecting signals in a specific frequency band, and the development of such technology has further accelerated the research and development of filter technology, and new 5G filters have been used in the production of compact drums, and automated manufacturing equipment is an important component in the manufacturing process of 5G filters.
The surface silver spraying is a common process for surface metallization in the manufacturing process of the 5G ceramic filter, and the quality of the design of the spray valve directly determines the quality and the cost of the surface metallization of the 5G ceramic filter. In the prior art, the metalized spray valve on the surface of the 5G filter generally has the defects of poor atomization effect and uneven spraying, so that the performance of the 5G filter is influenced, and the waste of metal slurry is also caused.
Disclosure of Invention
The invention aims to provide a spray valve and a spraying device for metallization of the surface of a 5G filter, and aims to solve the problems of poor atomization effect and uneven spraying of the spray valve and the spraying device for metallization of the surface of the 5G filter in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a spray valve and a spray device for metallization of the surface of a 5G filter comprise a valve body, a firing pin, a piston, a slurry inlet, a metal slurry nozzle and an atomization spray head, wherein a central cavity is arranged in the valve body, the piston is fixed at the upper part of the firing pin, the upper section of the central cavity is a piston cavity, the piston is positioned in the piston cavity, an air inlet channel and an air outlet channel are arranged on the valve body, the piston and the firing pin reciprocate in the central cavity under the action of gas pressure, a sealing assembly is arranged between the firing pin and the central cavity, the slurry inlet is arranged at the lower part of the valve body, a transfer block with a central hole is detachably arranged at the bottom of the valve body, the metal slurry nozzle is detachably assembled at the bottom of the transfer block, the bottom end of the firing pin penetrates through the central hole and extends into the metal slurry nozzle, and the atomization spray head is assembled outside the metal slurry nozzle, and a plurality of diversion trenches for uniformly cutting supplied atomized air are uniformly distributed on the side wall of the metal slurry nozzle.
Furthermore, a firing pin adjusting device for adjusting the stroke of the firing pin is arranged at the top end of the valve body.
Further, the bottom of switching piece is provided with the external screw thread, the bottom of centre bore is provided with the internal thread, the upper end of metal thick liquids nozzle is fixed in the bottom of centre bore through the external screw thread, the tail end of atomizer is provided with the round boss, coupling nut assemble on the external screw thread of switching piece bottom and compress tightly the boss in the bottom surface of switching piece.
Furthermore, the firing pin adjusting device comprises an adjusting rod, a pressing rod, a compression spring and a driving rod, the adjusting rod is assembled at the top end of the valve body through a threaded structure, the adjusting rod is provided with an inner cavity, the pressing rod is arranged in the adjusting rod, the bottom end of the pressing rod abuts against the top end of the firing pin, the compression spring is arranged between the pressing rod and the inner cavity of the adjusting rod, and the driving rod is fixedly connected with the adjusting rod.
Furthermore, a hollow guide rod is arranged in an inner cavity of the adjusting rod, the pressure rod comprises a head part and a rod part, the outer diameter of the head part is larger than that of the rod part, the head part abuts against the top end of the firing pin, the rod part is inserted into an inner hole of the guide rod, and the compression spring is sleeved outside the guide rod.
Furthermore, an adjusting scale ring is arranged outside the adjusting rod, and the adjusting stroke is accurately indicated by adjusting the scale ring.
Furthermore, a valve body fixing plate convenient for installing the whole spray valve is fixed on the valve body.
Further, the metal paste nozzle comprises a hollow nozzle body, the nozzle body comprises a large cylindrical section, a small cylindrical section, a conical section and a conical nozzle head which are sequentially and concentrically arranged from top to bottom, the outer diameter of the large cylindrical section is larger than that of the small cylindrical section, and a plurality of diversion trenches for uniformly cutting supplied atomized air are uniformly distributed on the side wall of the large cylindrical section.
Further, the atomizer comprises an atomizing cylindrical section and an atomizing conical section, the atomizing cylindrical section is matched with the large cylindrical section, the atomizing conical section is matched with the conical section, and the guide groove and the inner wall of the atomizing cylindrical section form a channel for cutting atomized air.
Further, the upper end of the central hole of the transfer block upwards extends to form a guide sealing part, a sealing groove used for installing a sealing ring is formed in the guide sealing part, and the transfer block is sealed with the valve body through the sealing ring.
A spraying device for metallization of a 5G filter surface comprises at least one spraying valve for metallization of the 5G filter surface.
Compared with the prior art, the spray valve for metallization of the surface of the 5G filter has the following advantages:
1) the structure is compact, the volume is small, and the operation is stable and reliable;
2) the atomization effect is good, and the uniformity and the thickness uniformity of the sprayed slurry on the surface of the filter are good;
3) the spraying amount of the slurry is convenient to adjust, the adjusting error is small, and the control precision is high;
4) accurate spraying can be achieved, so that metal slurry is saved when the spraying device is used, and the processing cost is reduced.
Drawings
Fig. 1 is a cross-sectional view of a spray valve and a spray device for metallization of a 5G filter surface according to embodiment 1 of the present invention;
fig. 2 is a schematic perspective view of a spray valve and an atomizing nozzle of a spray device for metallization of a 5G filter surface according to embodiment 1 of the present invention;
fig. 3 is a schematic perspective view of a metal paste nozzle of a spray valve and a spray device for metallization of a 5G filter surface according to embodiment 1 of the present invention;
fig. 4 is a schematic perspective view of a transfer block of a spray valve and a spray device for metallization of a 5G filter surface according to embodiment 1 of the present invention.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, in the present embodiment, a spray valve for metallizing a surface of a 5G filter includes a valve body 1, a plunger 2, a piston 3, a slurry inlet 4, a metal slurry nozzle 5 and an atomizer 6, a central cavity is disposed in the valve body 1, the piston 3 is disposed on an upper portion of the plunger 2 and is of an integral structure, an upper section of the central cavity is a piston cavity 7, the piston 3 is located in the piston cavity 7, the valve body 1 is provided with an air inlet passage and an air outlet passage, the piston 3 and the plunger 2 reciprocate in the central cavity under the action of air pressure, a sealing assembly 8 is disposed between the plunger 2 and the central cavity, the slurry inlet 4 is disposed on a lower portion of the valve body 1, a adapter block 9 having a central hole is detachably disposed at the bottom of the valve body 1 through a bolt, an external thread is disposed at the bottom end of the adapter block 9, an internal thread is disposed at the bottom end of the central hole of the adapter block 9, the upper end of metal thick liquids nozzle 5 is fixed in the bottom of centre bore through the external screw thread, the bottom of firing pin 2 passes the centre bore of switching piece 9 and stretches into in metal thick liquids nozzle 5, the tail end of atomizer 6 is provided with round boss 10, coupling nut's bottom inwards extends has the spacing face of round, coupling nut 11 assembles on the external screw thread of switching piece 9 bottom and compresses tightly boss 10 in the bottom surface of switching piece 9 through spacing face to this assembles atomizer 6 outside metal thick liquids nozzle 5.
The metal slurry nozzle 5 comprises a large cylindrical section 50, a small cylindrical section 51, a conical section 52 and a conical nozzle head 53 which are sequentially and concentrically arranged from top to bottom, the outer diameter of the large cylindrical section 50 is larger than that of the small cylindrical section 51, a plurality of diversion trenches 54 for uniformly cutting supplied atomizing air are uniformly distributed on the side wall of the large cylindrical section 50, the atomizing nozzle 6 comprises an atomizing cylindrical section 60 matched with the large cylindrical section 50 and an atomizing conical section 61 matched with the conical section 52, the diversion trenches 54 and the inner wall of the atomizing cylindrical section 60 form a channel for cutting the atomizing air, so that the supplied atomizing air is uniformly cut, the air pressure distribution in each part of the cavity of the atomizing nozzle is uniform, and the atomizing effect is achieved through the Venturi principle.
The hole upper end of switching piece 9 upwards extends has direction sealing 90, offers the seal groove 91 that is used for installing the sealing washer on the direction sealing 90, is provided with O type sealing washer in the seal groove 91, and switching piece 9 passes through set screw to be installed on valve body 1, and the leakproofness after the installation of switching piece 9 can be guaranteed in the setting of direction sealing 90, makes things convenient for the installation of switching piece 9 simultaneously. A valve body fixing plate 12 which is convenient for installing the whole spray valve is fixed on the valve body 1.
In the actual use process, aiming at different product models or different spraying processes, the spraying amount of the slurry needs to be adjusted, so the top end of the valve body 1 is provided with a firing pin adjusting device for adjusting the stroke of the firing pin 2, the firing pin adjusting device comprises an adjusting rod 13, a pressure rod 14, a compression spring 15 and a driving rod 16, the adjusting rod 13 is assembled at the top end of the valve body 1 through a thread structure, the adjusting rod 13 is provided with an inner cavity, a hollow guide rod 17 is arranged in the inner cavity of the adjusting rod 13, the pressure rod 14 comprises a head part and a rod part, the outer diameter of the head part is larger than that of the rod part, the head part abuts against the top end of the firing pin 2, the rod part is inserted into the inner hole of the guide rod 17, the compression spring 15 is sleeved outside the guide rod 17, one end of the compression spring 15 abuts against the head part of the pressure rod 14, the other end abuts against the guide rod 17, the driving rod 16 is fixedly connected with the adjusting rod 13, and an adjusting scale ring 18 is arranged outside the adjusting rod 13, the adjustment travel is accurately indicated by adjusting the scale ring 18.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A spray valve for metallization of the surface of a 5G filter comprises a valve body, a firing pin, a piston, a slurry inlet, a metal slurry nozzle and an atomizing spray head, and is characterized in that a central cavity is arranged in the valve body, the piston is fixed to the upper portion of the firing pin, the upper section of the central cavity is a piston cavity, the piston is located in the piston cavity, an air inlet channel and an air outlet channel are arranged on the valve body, the piston and the firing pin reciprocate in the central cavity under the action of gas pressure, a sealing assembly is arranged between the firing pin and the central cavity, the slurry inlet is arranged at the lower portion of the valve body, a transfer block with a central hole is detachably arranged at the bottom of the valve body, the metal slurry nozzle is detachably assembled at the bottom of the transfer block, the bottom end of the firing pin penetrates through the central hole and extends into the metal slurry nozzle, and the atomizing spray head is assembled outside the metal slurry nozzle, and a plurality of diversion trenches for uniformly cutting supplied atomized air are uniformly distributed on the side wall of the metal slurry nozzle.
2. The spray valve for metallizing a surface of a 5G filter according to claim 1, wherein a striker adjustment means for adjusting the stroke of the striker is provided at the top end of said valve body.
3. The spray valve for metalizing the surface of the 5G filter according to claim 1, wherein the bottom end of the adapter block is provided with external threads, the bottom end of the central hole is provided with internal threads, the upper end of the metal slurry nozzle is fixed at the bottom end of the central hole through the external threads, the tail end of the atomizing nozzle is provided with a circle of boss, and a connecting nut is assembled on the external threads at the bottom end of the adapter block and tightly presses the boss on the bottom surface of the adapter block.
4. The spray valve for metallization of the surface of the 5G filter as claimed in claim 2, wherein the firing pin adjusting device comprises an adjusting rod, a pressing rod, a compression spring and a driving rod, the adjusting rod is assembled at the top end of the valve body through a threaded structure, the adjusting rod is provided with an inner cavity, the pressing rod is arranged in the adjusting rod, the bottom end of the pressing rod abuts against the top end of the firing pin, the compression spring is arranged between the pressing rod and the inner cavity of the adjusting rod, and the driving rod is fixedly connected with the adjusting rod.
5. The spray valve for metallization of the surface of the 5G filter as claimed in claim 4, wherein a hollow guide rod is disposed in the inner cavity of the adjusting rod, the pressure rod comprises a head portion and a rod portion, the outer diameter of the head portion is larger than that of the rod portion, the head portion abuts against the top end of a firing pin, the rod portion is inserted into the inner hole of the guide rod, and the compression spring is sleeved outside the guide rod.
6. The spray valve for 5G filter surface metallization of claim 4, wherein an adjustment scale ring is disposed outside the adjustment rod.
7. The spray valve for metallization of the surface of the 5G filter according to claim 1, wherein the metal paste nozzle comprises a hollow nozzle body, the nozzle body comprises a large cylindrical section, a small cylindrical section, a conical section and a conical nozzle head which are concentrically arranged from top to bottom, the outer diameter of the large cylindrical section is larger than that of the small cylindrical section, and a plurality of diversion trenches for uniformly cutting supplied atomized air are uniformly distributed on the side wall of the large cylindrical section.
8. The spray valve for metallizing the surface of a 5G filter according to claim 7, wherein said atomizer comprises an atomizing cylindrical section disposed in cooperation with said large cylindrical section and an atomizing conical section disposed in cooperation with said conical section, and said guiding groove and the inner wall of said atomizing cylindrical section form a channel for cutting atomizing air.
9. The spray valve for metallizing the surface of a 5G filter according to claim 1, wherein a guide seal part extends upward from the upper end of the center hole of said transition block, said guide seal part being provided with a seal groove for mounting a seal ring, and said transition block being sealed from the valve body by the seal ring.
10. A spraying device for metallization of 5G filter surface is characterized in that: comprising at least one blow valve for metallization of a 5G filter surface according to any of the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110352777.4A CN114558708A (en) | 2021-03-31 | 2021-03-31 | Spray valve and spray coating device for metallization of surface of 5G filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110352777.4A CN114558708A (en) | 2021-03-31 | 2021-03-31 | Spray valve and spray coating device for metallization of surface of 5G filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114558708A true CN114558708A (en) | 2022-05-31 |
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ID=81712632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110352777.4A Pending CN114558708A (en) | 2021-03-31 | 2021-03-31 | Spray valve and spray coating device for metallization of surface of 5G filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114558708A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3421693A (en) * | 1963-09-27 | 1969-01-14 | Sames Mach Electrostat | Pneumatic atomizer for spraying liquids |
| CN205308717U (en) * | 2016-01-09 | 2016-06-15 | 刘耀鹏 | Mechanical type sprays dispensing valve |
| CN106676781A (en) * | 2017-02-22 | 2017-05-17 | 常州高凯精密机械有限公司 | Internal atomization large-spraying-width spraying valve and control system thereof |
| CN207086166U (en) * | 2017-07-05 | 2018-03-13 | 拓一联创科技（深圳）有限公司 | The pneumatic injection valve of impacting type |
| CN112138945A (en) * | 2020-09-27 | 2020-12-29 | 苏州海汰池自动化科技有限公司 | Fluid dispensing injection valve assembly |
| CN215278011U (en) * | 2021-03-31 | 2021-12-24 | 无锡沃格自动化科技股份有限公司 | Spray valve and spray coating device for metallization of surface of 5G filter |
-
2021
- 2021-03-31 CN CN202110352777.4A patent/CN114558708A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3421693A (en) * | 1963-09-27 | 1969-01-14 | Sames Mach Electrostat | Pneumatic atomizer for spraying liquids |
| CN205308717U (en) * | 2016-01-09 | 2016-06-15 | 刘耀鹏 | Mechanical type sprays dispensing valve |
| CN106676781A (en) * | 2017-02-22 | 2017-05-17 | 常州高凯精密机械有限公司 | Internal atomization large-spraying-width spraying valve and control system thereof |
| CN207086166U (en) * | 2017-07-05 | 2018-03-13 | 拓一联创科技（深圳）有限公司 | The pneumatic injection valve of impacting type |
| CN112138945A (en) * | 2020-09-27 | 2020-12-29 | 苏州海汰池自动化科技有限公司 | Fluid dispensing injection valve assembly |
| CN215278011U (en) * | 2021-03-31 | 2021-12-24 | 无锡沃格自动化科技股份有限公司 | Spray valve and spray coating device for metallization of surface of 5G filter |
Non-Patent Citations (1)
| Title |
|---|
| 陈恒;杨俊逸;张志航;刘祖耀;夏冬梅;冉红锋;张俭;: "气动喷射阀点胶质量改善研究", 现代制造工程, no. 05, 18 May 2018 (2018-05-18), pages 102 - 111 * |
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