CN206521524U - PCB spraying device for etching - Google Patents
PCB spraying device for etching Download PDFInfo
- Publication number
- CN206521524U CN206521524U CN201720078877.1U CN201720078877U CN206521524U CN 206521524 U CN206521524 U CN 206521524U CN 201720078877 U CN201720078877 U CN 201720078877U CN 206521524 U CN206521524 U CN 206521524U
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- nozzle
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- flow pipe
- pcb
- etching
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- Manufacturing Of Printed Circuit Boards (AREA)
Abstract
A kind of PCB spraying device for etching, including water pump, filter, shower, PCB transport mechanisms and casing, the shower is installed in casing, the PCB transport mechanisms pass through casing, the shower is arranged on the top of PCB transport mechanisms, the shower includes main flow pipe and is connected to main flow pipe top nozzle group, the nozzle sets are made up of some nozzles, it includes some first jets, some second nozzles and some 3rd nozzles, the direction of the first jet is with main flow pipe in same vertical plane, the second nozzle and the 3rd nozzle are respectively facing the both sides of main flow pipe, between first jet and second nozzle, shape has angle between second nozzle and the 3rd nozzle.The utility model increases the etch quantity at two ends by adjusting the direction of the main flow pipe of nozzle and liquid medicine in each jet pipe, reduces the intersection spray area of intermediate noxzzle, so as to reach that whole plate etch quantity is uniformly distributed, etch uniformity is improved, it is practical, with stronger dissemination.
Description
Technical field
The utility model is related to a kind of spray system, more particularly to a kind of PCB spraying device for etching.
Background technology
Printed wiring board (PCB) carries numerous electronic components as one of modern important electronic component, there is " electricity
The good reputation of the mother of sub- component ", PCB production procedure up to 20 multiple tracks, long flow path is complicated into production. art, and wherein outer layer is etched
It is PCB manufacture one of " bottleneck " processes as outer-layer circuit figure manufacturing process, outer layer etching work procedure manufacturing capacity, directly
PCB manufacturers outer-layer circuit manufacturing capacity is determined, the outer-layer circuit manufacturing capacity of main flow PCB manufacturers is both at home and abroad at present
4mil/4mil (line width/line-spacing), etch process mainly uses alkali etching method, and the process has stabilization, efficiently, cost
Low excellent speciality, but higher to equipment requirement, wherein etching machines uniform spraying, directly determine etching property up to standard, therefore set
Standby uniform spraying is one of criterion of etch capabilities, and customary etch equipment takes main jet to increase etching on the basis of etching
The method of compensation, by etch uniformity (COV) control more than 93%, to ensure product quality, because installing corresponding etching to compensate section additional, has
Cost increases, the deficiency such as manufacturing process growth.
Utility model content
Based on this, it is necessary to which for deficiency of the prior art, there is provided PCB spraying device for etching.
A kind of PCB spraying device for etching, including water pump, filter, shower, PCB transport mechanisms and casing, the spray
Pipe is installed in casing, and the PCB transport mechanisms pass through casing, and the shower is arranged on the top of PCB transport mechanisms, described
Shower includes main flow pipe and being connected to main flow pipe top nozzle group, and the nozzle sets are made up of some nozzles, and it includes some the
One nozzle, some second nozzles and some 3rd nozzles, the direction of the first jet and main flow pipe are described in same vertical plane
Second nozzle and the 3rd nozzle are respectively facing the both sides of main flow pipe, between first jet and second nozzle, second nozzle and the 3rd
Shape has angle between nozzle.
Further, the angle between the first jet and second nozzle is 15 °~35 °.
Further, the angle between the first jet and the 3rd nozzle is 15 °~35 °.
Further, the nozzle of the nozzle sets is spaced along the bearing of trend of main flow pipe.
Further, in addition to some pipelines, the water pump and filter are arranged on the outside of water tank, the water inlet of the water pump
Mouth is connected to the bottom of water tank by deferent, and the delivery port of the water pump is connected to the water inlet of filter by pipeline, filters
The delivery port of device is connected on the water inlet of shower by pipeline.
Further, in addition to steering mechanism, the steering mechanism is installed in water tank, the two ends installing of the main flow pipe
In in steering mechanism, the steering mechanism is provided with motor, and the motor drives main flow pipe to rotate forward or backwards.
The beneficial effect of the utility model PCB spraying device for etching is：By setting first jet, the on main flow pipe
Two nozzles and the 3rd nozzle, the direction of the first jet is with main flow pipe in same vertical plane, the second nozzle and the 3rd spray
The direction of mouth is respectively facing the direction that the main flow pipe of nozzle and liquid medicine in each jet pipe is adjusted in the both sides of main flow pipe, this patent, enters
And increase the etch quantity at two ends, reduce the intersection spray area of intermediate noxzzle, without installing corresponding etching to compensate section, whole plate etching additional
Amount is uniformly distributed, and effectively improves etch uniformity, practical, with stronger dissemination.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model PCB spraying device for etching.
Fig. 2 is the top view of the shower of PCB spraying device for etching shown in Fig. 1.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
As shown in Figure 1 to Figure 2, the utility model provides a kind of PCB spraying device for etching, for PCB outer layer erosion
Carve, the PCB spraying device for etching includes water pump 40, filter 50, shower 30, PCB transport mechanisms 20 and casing 10, the spray
Shower pipe 30 is installed in casing 10, and the PCB transport mechanisms 20 pass through casing 10, and the PCB transport mechanisms 20 are used to enter PCB
Row feeding forward, the shower 30 is arranged on the top of PCB transport mechanisms 20, and the water pump 40 and filter 50 are arranged on water
On the outside of case, the water inlet of the water pump 40 is connected to the bottom of water tank by deferent, and the delivery port of the water pump 40 passes through pipeline
The water inlet of filter 50 is connected to, the delivery port of filter 50 is connected to by pipeline on the water inlet of shower 30.
The PCB transport mechanisms 20 include frame (figure is not marked), the roller 21 being installed in frame and are connected to roller 21
On motor, the motor drives roller 21 to rotate, and then drives PCB feedings forward indirectly.
The shower 30 includes main flow pipe 31 and is connected to the top nozzle group 32 of main flow pipe 31, and the nozzle sets 32 are by some
Nozzle is constituted, it includes some first jets 33, some second nozzles 32 and some 3rd nozzles 33, and the main flow pipe 31 prolongs
Stretch direction identical with the feed direction of PCB transport mechanisms 20, the nozzle sets of 33 the 3rd nozzle of second nozzle 32 of first jet 33
Bearing of trend of 32 nozzle along main flow pipe 31 is spaced, and the direction of the first jet 33 is with main flow pipe 31 same vertical
Face, the direction of the nozzle 33 of second nozzle 32 and the 3rd is respectively facing the both sides of main flow pipe 31, and first jet 33 and second sprays
Shape has angle between mouth 32, between the nozzle 33 of second nozzle 32 and the 3rd, it is preferable that the first jet 33 and second nozzle
Angle between 32 is 15 °~35 °, and the angle between the nozzle 33 of first jet 33 and the 3rd is 15 °~35 °.
It is preferred that the utility model PCB spraying device for etching also includes steering mechanism's (not shown), steering mechanism's dress
In water tank, the two ends of the main flow pipe 31 are installed in steering mechanism, and the steering mechanism is provided with motor, described
Motor drives main flow pipe 31 is forward and reverse to rotate, and then adjusts the direction of the top nozzle of main flow pipe 31.
, it is necessary to which the PCB for carrying out outer layer etching is placed on the roller 21 of PCB transport mechanisms 20 during work, the PCB transmission
The motor of mechanism 20 drives roller 21 to rotate, and then drives PCB feedings forward indirectly, in feeding process, and the water pump 40 will
Liquid medicine in casing 10 is transported in filter 50, and liquid medicine is entered in main flow pipe 31 after being filtered through filter 50, and from main flow
Nozzle on pipe 31 sprays, and motor drives main flow pipe 31 is forward and reverse to rotate, in rotation period, due to second nozzle 32,
Spraying range of 3rd nozzle 33 towards the both sides of main flow pipe 31, effectively increase nozzle, it is ensured that etching is uniform.
The beneficial effect of the utility model PCB spraying device for etching is：By setting first jet on main flow pipe 31
33rd, the nozzle 33 of second nozzle 32 and the 3rd, the direction of the first jet 33 is with main flow pipe 31 in same vertical plane, described second
The direction of the nozzle 33 of nozzle 32 and the 3rd is respectively facing in the both sides of main flow pipe 31, this patent and adjusts nozzle and liquid medicine in each jet pipe
Main flow pipe 31 direction, and then increase two ends etch quantity, reduce intermediate noxzzle intersection spray area, without installing additional
Corresponding etching to compensate section, whole plate etch quantity is uniformly distributed, and effectively improves etch uniformity, practical, with stronger dissemination.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (6)
1. a kind of PCB spraying device for etching, it is characterised in that including water pump, filter, shower, PCB transport mechanisms and case
Body, the shower is installed in casing, and the PCB transport mechanisms pass through casing, and the shower is arranged on PCB transport mechanisms
Top, the shower includes main flow pipe and being connected to main flow pipe top nozzle group, and the nozzle sets are made up of some nozzles, its
Including some first jets, some second nozzles and some 3rd nozzles, the direction of the first jet is with main flow pipe same
Vertical plane, the second nozzle and the 3rd nozzle are respectively facing the both sides of main flow pipe, between first jet and second nozzle, second
Shape has angle between nozzle and the 3rd nozzle.
2. PCB spraying device for etching as claimed in claim 1, it is characterised in that：Between the first jet and second nozzle
Angle be 15 °~35 °.
3. PCB spraying device for etching as claimed in claim 1, it is characterised in that：Between the first jet and the 3rd nozzle
Angle be 15 °~35 °.
4. PCB spraying device for etching as claimed in claim 1, it is characterised in that：The nozzle of the nozzle sets is along main flow pipe
Bearing of trend is spaced.
5. PCB spraying device for etching as claimed in claim 1, it is characterised in that：Also include some pipelines, the water pump and mistake
Filter is arranged on the outside of water tank, and the water inlet of the water pump is connected to the bottom of water tank, the delivery port of the water pump by deferent
The water inlet of filter is connected to by pipeline, the delivery port of filter is connected on the water inlet of shower by pipeline.
6. PCB spraying device for etching as claimed in claim 1, it is characterised in that：Also include steering mechanism, the steering mechanism
It is installed in water tank, the two ends of the main flow pipe are installed in steering mechanism, the steering mechanism is provided with motor, described
Motor drives main flow pipe to rotate forward or backwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720078877.1U CN206521524U (en) | 2017-01-19 | 2017-01-19 | PCB spraying device for etching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720078877.1U CN206521524U (en) | 2017-01-19 | 2017-01-19 | PCB spraying device for etching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206521524U true CN206521524U (en) | 2017-09-26 |
Family
ID=59891068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720078877.1U Active CN206521524U (en) | 2017-01-19 | 2017-01-19 | PCB spraying device for etching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206521524U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108034946A (en) * | 2017-11-20 | 2018-05-15 | 西安交通大学 | Spray etching system |
| CN110106504A (en) * | 2019-04-04 | 2019-08-09 | 深圳市华星光电技术有限公司 | A kind of etching machines |
| CN112198771A (en) * | 2020-09-24 | 2021-01-08 | 东莞宇宙电路板设备有限公司 | Developing etching spraying device |
| CN112392095A (en) * | 2020-11-14 | 2021-02-23 | 邓权塑业科技（湖南）有限公司 | Water supply system with self-cleaning filter |
-
2017
- 2017-01-19 CN CN201720078877.1U patent/CN206521524U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108034946A (en) * | 2017-11-20 | 2018-05-15 | 西安交通大学 | Spray etching system |
| CN108034946B (en) * | 2017-11-20 | 2019-04-02 | 西安交通大学 | Spray etching system |
| CN110106504A (en) * | 2019-04-04 | 2019-08-09 | 深圳市华星光电技术有限公司 | A kind of etching machines |
| CN110106504B (en) * | 2019-04-04 | 2021-03-23 | Tcl华星光电技术有限公司 | Etching equipment |
| CN112198771A (en) * | 2020-09-24 | 2021-01-08 | 东莞宇宙电路板设备有限公司 | Developing etching spraying device |
| CN112392095A (en) * | 2020-11-14 | 2021-02-23 | 邓权塑业科技（湖南）有限公司 | Water supply system with self-cleaning filter |
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