CN209218470U - A kind of etching solution hydrojet component - Google Patents
A kind of etching solution hydrojet component Download PDFInfo
- Publication number
- CN209218470U CN209218470U CN201821391363.2U CN201821391363U CN209218470U CN 209218470 U CN209218470 U CN 209218470U CN 201821391363 U CN201821391363 U CN 201821391363U CN 209218470 U CN209218470 U CN 209218470U
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- etching solution
- mixing chamber
- chamber
- main body
- hydrojet component
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Abstract
The utility model discloses a kind of etching solution hydrojet component, including main body, interconnected mixing chamber and cushion chamber are offered in main body, mixing chamber is communicated with the first inlet tube, cushion chamber is communicated with air inlet pipe, and the bottom of main body is provided with jet pipe, and the inner cavity of jet pipe is connected to mixing chamber.A kind of etching solution hydrojet component of the utility model, sprays after being sufficiently mixed by adjustable outside air with etching solution, and punching press is more reasonable, and the etching solution harness of ejection is thinner, and etching precision is obviously improved.
Description
Technical field
The utility model relates to circuit board manufacture field more particularly to a kind of etching solution hydrojet components.
Background technique
Etch process is the main ring in circuit board fabrication process, and effect is to utilize chemical reaction method by logicalnot circuit portion
The layers of copper corrosion treatment of position, common engraving method is completed by the way of etching solution direct-injection at present in industry.
However, etching line width and pressure have higher requirements in etch process, direct injection etching mode is due to its direct-injection pressure
Power is excessive, will cause the too fast open circuit potential plate Working position of etching solution, is easy over etching；Pipeline is thicker, and spray head sprays
Etching line it is up-narrow and down-wide degree it is deeper, the etching solution area coverage being sprayed on circuit board is larger, it is difficult to required precision
Slightly higher even higher circuit board is etched processing.
Utility model content
The utility model aims to solve the problem that above-mentioned mentioned technical problem, provides a kind of etching solution hydrojet component, can
Effectively promote etching precision.
The utility model is realized through the following technical scheme:
A kind of etching solution hydrojet component, including main body offer interconnected mixing chamber and cushion chamber in main body, mix
Chamber is communicated with the first inlet tube, and cushion chamber is communicated with air inlet pipe, and the bottom of main body is provided with jet pipe, and the inner cavity of jet pipe is connected to mixing
Chamber.
Preferably, the first inlet tube is connected to mixing chamber in main body side.
Preferably, air inlet pipe is connected to cushion chamber in body top.
Preferably, mixing chamber setting position is lower than cushion chamber.
Preferably, the obliquely downward of cushion chamber is arranged in mixing chamber.
Preferably, inner cavity is tapered, and internal diameter is gradually reduced from the end of end to the ejection of connection mixing chamber.
Preferably, main body is in long strip, and mixing chamber and cushion chamber extend along the length direction of main body.
Preferably, mixing chamber is connected at least two the first inlet tubes.
Preferably, cushion chamber is connected at least two air inlet pipe.
Preferably, mixing chamber and/or cushion chamber setting cylindrical.
Beneficial effect is: compared with prior art, a kind of etching solution hydrojet component of the utility model, by adjustable
Outside air sprays after being sufficiently mixed with etching solution, and punching press is more reasonable, and the etching solution harness of ejection is thinner, and etching precision is aobvious
It writes and is promoted.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing, in which:
Fig. 1 is the structural schematic diagram at the positive visual angle of imbibition component；
Fig. 2 is the structural schematic diagram at the lateral visual angle of imbibition component；
Fig. 3 is the structural schematic diagram at the positive visual angle of hard circuit board imbibition component；
Fig. 4 is the structural schematic diagram at the lateral visual angle of hard circuit board imbibition component；
Fig. 5 is the structural schematic diagram of imbibition cylinder bottom imbibing hole；
Fig. 6 is the structural schematic diagram of third drainage hole at the top of imbibition cylinder；
Fig. 7 is the schematic cross-section of turnbarrel and inner cylinder；
Fig. 8 is the structural schematic diagram of the first drainage hole on turnbarrel；
Fig. 9 is the structural schematic diagram of the second drainage hole on inner cylinder；
Figure 10 is the attachment structure schematic diagram of etching solution transport pipeline and drive system；
Figure 11 is the partial enlarged view of part A in Figure 10；
Figure 12 is the structural schematic diagram at the positive visual angle of joint assembly；
Figure 13 is the structural schematic diagram at the lateral visual angle of joint assembly.
Specific embodiment
This etching machines includes the transport device of circuit board, and transportational process can be using roller type fortune general in field
Defeated line is provided with the hydrojet component sprayed etching solution on circuit boards above supply line and absorbs etching on circuit board and gives up
The imbibition component of liquid.The etching process of circuit board needs the circulation of the imbibition after hydrojet several times.It is right in present embodiment
In the statement benchmark of forward and backward side be subject to fluid flowing direction, the statement for assist understand the technical program, without limit
The technical solution that the application is protected.
As depicted in figs. 1 and 2, hydrojet component may include main body 1, and interconnected 2 He of mixing chamber is offered in main body 1
Cushion chamber 3, mixing chamber 2 are communicated with the first inlet tube 4, and cushion chamber 3 is communicated with air inlet pipe 5, and the bottom of main body 1 is provided with jet pipe 6,
The inner cavity of jet pipe 6 is connected to mixing chamber 2.Regular point represents the feed liquor direction of etching solution in Fig. 1, triangular arrowheads represent air into
Gas direction.
External etching solution is entered in mixing chamber 2 by the first inlet tube 4, and external air then passes through air inlet pipe 5 first
It enters in cushion chamber 3, enters back into mixing chamber 2 and mixed with etching solution, the etching solution for being mixed with air later is applied to by jet pipe 6
On circuit board.
The air of outer confession would generally be transported in main body 1 under the action of air pump with higher air pressure, this often makes
The air mixed liquor impulse force that sprays of jet pipe 6 is excessive, etching precision is difficult to control accurately, and air pressure is after cushion chamber 3, air-flow
It is centainly buffered, after being sufficiently mixed in mixing chamber 2 with etching solution, can be sprayed by the pressurization jet pipe 6 of cone cell, the pressurization
6 taper of jet pipe can be by the way that with adjusting by way of changing jet pipe 6, this, which makes etching solution be sprayed onto the pressure on circuit board, can also be controlled
System.
Further have, the first inlet tube 4, which can be set, is connected to mixing chamber 2 in 1 side of main body, and air inlet pipe 5 then can be
Cushion chamber 3 is connected at the top of main body 1.Feed liquor enables gas-liquid abundant in mixing chamber 2 at the top of etching solution side feed liquor cooperation air
Contact, mixing efficiency are high.Position can also be arranged lower than cushion chamber 3 in mixing chamber 2, and mixing chamber 2 can be set in the oblique of cushion chamber 3
Lower section, such gas can be mixed with an inclination angle with etching solution, further promote mixed effect.
Inner cavity is preferably tapered, and internal diameter is gradually reduced from the end of end to the ejection of connection mixing chamber 2, which uses
In the pressurization of air mixed liquor.The taper of inner cavity can be adjusted by replacing the jet pipe 6 of different tapers, can be fitted in this way
With the etching requirement of various boards.
As depicted in figs. 1 and 2, main body 1 can be in long strip, and mixing chamber 2 and cushion chamber 3 prolong along the length direction of main body 1
It stretches, this setting, can be by least between mixing chamber 2 and cushion chamber 3 so that main body 1 can be positioned below at least two jet pipes 6
Two channels are connected, uniform convenient for the gas-liquid mixed under cooperation multi nozzle 6.
As shown in Figure 1, mixing chamber 2, which can be connected at least two the first inlet tubes 4, a plurality of first inlet tube 4, can make to mix
Etching solution feed liquor in chamber 2 is uniform.The connection of cushion chamber 3 can also make air inlet at least two air inlet pipe 5, a plurality of air inlet pipe 5
Position distribution it is uniform, mixing chamber 2 is relatively unified along the mixability of length each position.Mixing chamber 2 and/or cushion chamber 3 are preferably in
Cylinder setting.
Circuit board is after the etching action of hydrojet component, to need to draw remaining etching by imbibition component useless
Liquid.Wherein imbibition component is directed to hard circuit board and flexible circuit board, by following two imbibition component.
As shown in figures 3 to 6, wherein be directed to hard circuit board, imbibition component includes the imbibition from top to bottom set gradually
Pipe 7, overhead guard 8 and imbibition cylinder 9,8 bottom slot of overhead guard form transfer chamber 10, and pipette 7 is connected to transfer chamber 10, imbibition cylinder 9
Lateral wall and 8 base channel inner sidewall of overhead guard sealing cooperate, the bottom of imbibition cylinder 9 offers imbibing hole 11, the top of imbibition cylinder 9
Offer the third drainage hole 12 of connection transfer chamber 10.
Pipette 7 is to provide the pipeline of pull of vacuum, so that can all generate for drawing in transfer chamber 10 and pipette 7
The pull of vacuum of circuit board surface etching waste liquor, thus successively by imbibing hole 11, third drainage hole 12, transfer chamber 10 to suction
In liquid pipe 7, and then exclude etching waste liquor.
Further have, pipette 7 is preferably connected to transfer chamber 10 at the top of overhead guard 8, quickly makees convenient for pull of vacuum
Use the etching waste liquor on circuit board.Preferred welded mode is tightly connected between overhead guard 8 and transfer chamber 10, between the two
Gap between the two can be filled up by way of setting sealing ring or sealant.
As shown in figure 5, the bottom of imbibition cylinder 9 can offer at least two rows of imbibing holes being parallel to each other along its length
11.Imbibing hole 11 can be in the strip extended along 9 length direction of imbibition cylinder.Increase 11 length of imbibing hole, reduces imbibing hole 11
Width can make imbibition improved efficiency.
As shown in fig. 6, the top of imbibition cylinder 9 can offer at least one along its length arranges the 3rd drainage hole 12.The
Three drainage holes 12 are rounded.The hole area of third drainage hole 12 is preferably greater than the hole area of imbibing hole 11.8 top of overhead guard is along overhead guard
8 length directions can be arranged at intervals at least two pipette 7, imbibing hole 11 and third drainage hole 12 along 8 length direction of overhead guard
Several are arranged at intervals with, each pipette 7 is corresponding with part imbibing hole 11 and third drainage hole 12.
As shown in figs. 7 to 9, for flexible circuit board, imbibition component is needed while keeping imbibition ability, also to be kept away
Exempt from flexible circuit board to be adsorbed on imbibition component and be unable to normal transport, at this point, imbibition component includes inner cylinder 13 and rotary sleeve
Cylinder 14, inner cylinder 13, which is arranged, in turnbarrel 14 and can rotate to it, and the outer surface of turnbarrel 14 is around circumferentially having
Several first drainage holes 15, the bottom of inner cylinder 13 are provided with the second drainage hole 16；Turnbarrel 14 rotate, the second drainage hole 16 according to
It is secondary to be connected to the first circumferentially-adjacent drainage hole 15；The end of inner cylinder 13 is communicated with pipette 7.
The pull of vacuum of imbibition is provided by pipette 7, etching waste liquor successively passes through the first drainage hole 15, the second drainage hole
16 enter the inside of inner cylinder 13, are then discharged by pipette 7.In this process, turnbarrel 14 can continue rotation or
Rotated stepwise, to make flexible circuit board be detached from turnbarrel 14 by rotation mode while keeping imbibition ability
Absorption, flexible circuit board can continue to transport later, at this time turnbarrel 14 have roller transmission transport capacity.
Further have, as shown in fig. 7, be rotatablely connected between inner cylinder 13 and the both ends of turnbarrel 14 by bearing 17,
13 relative rotation sleeve 14 of inner cylinder is fixed, and turnbarrel 14 can then be rotated relative to inner cylinder 13.
Turnbarrel 14 is installed with transmission shaft 18 in one end backwards to pipette 7, and transmission shaft 18 drives through force piece and rotates
And turnbarrel 14 is made to link.The force piece can be motor, and the output shaft and transmission shaft 18 of motor can pass through gear drive
Mode connects.Transmission shaft 18 is axially inserted into turnbarrel 14 and inner cylinder 13, the inner wall of the end of the insertion and inner cylinder 13 it
Between be rotatablely connected through bearing 17.Transmission shaft 18 and turnbarrel 14 can be connected by key linkage.
13 end of inner cylinder is connected with pipette 7 through intermediate tube 19, and intermediate tube 19 is axially inserted into turnbarrel 14, this is inserted
It is sequentially connected between the end entered and the inner wall of turnbarrel 14 through bearing 17.Pipette 7 end insertion intermediate tube 19 in and
It extends in inner cylinder 13.The setting of intermediate tube 19 convenient for sealing between inner cylinder 13 and pipette 7, intermediate tube 19 and inner cylinder 13 it
Between, between intermediate tube 19 and pipette 7 sealing ring can be set.
As shown in Figure 8 and Figure 9, the bottom of inner cylinder 13 offers at least two rows of second rows being parallel to each other along its length
Fluid apertures 16, the second drainage hole 16 are then preferably strip.First drainage hole 15 is also evenly arranged on turnbarrel 14 along its length
Outer surface, the first drainage hole 15 is preferably circular.
As shown in Figure 10 and Figure 11, the pull of vacuum of pipette 7 preferably passes through drive in hard circuit board and flexible circuit board
Dynamic system provides, and drive system includes the transport pipeline 20 of etching solution, be provided with liquid feeding pump 21 and vacuum on transport pipeline 20
Generator；Vacuum generator includes tee tube 22 and pressure inlet 23；Liquid feeding end, outlet end and the external connection end of tee tube 22 are corresponding to be connected
Front tube portion 24, rear pipe portion 25 and pipette 7 are connect, front tube portion 24 and rear pipe portion 25 are the part pipelines in transport pipeline 20；Pressurization
The front end of pipe 23 is arranged on the liquid outlet of front tube portion 24, and energy is equipped between the rear end of pressure inlet 23 and the inlet of rear pipe portion 25
The drainage channel 26 for making pipette 7 be connected with rear pipe portion 25 is provided with section in pressure inlet 23 and is gradually subtracted by front end to rear end
Small Pressure channel 27, front tube portion 24 and rear pipe portion 25 are connected through Pressure channel 27.
Transport pipeline 20 is the feed liquor circulation line of etching solution, and vacuum generator utilizes the pressurization of pressure inlet 23, adds
The flow rate of liquid of fast 23 liquid outlet of pressure inlet forms negative-pressure sucking in drainage channel 26 according to Venturi effect, without
Vacuum pump is separately set in pipette 7, negative-pressure sucking can be formed in pipette 7, and then circuit is absorbed by imbibition component
Etching waste liquor on plate.
Further, the etching waste liquor of absorption can also successively enter the transport pipeline 20 of etching solution by pipette 7
In, it utilizes again, it is subsequent to add etching solution in transport pipeline 20, keep the etchant concentration in transport pipeline 20 is i.e. recyclable to make
With.
Reservoir 28 is additionally provided in transport pipeline 20, rear pipe portion 25 is connected to reservoir 28.Reservoir 28 is gone back and front tube portion
24 connections form circulation line.Liquid feeding pump 21 is arranged in the pipeline of front tube portion 24.Liquid feeding pump 21 can be vacuum pump.Liquid feeding pump
21 for maintaining the liquid circulation in circulation line to flow.The front end of reservoir 28 is arranged in vacuum generator, convenient for absorption
Etching waste liquor rapidly enters in reservoir 28, etching waste liquor can spread flow to board edge can flow into reservoir 28
In, the etching waste liquor remained on circuit boards can also flow into reservoir 28 through imbibition component.
The rear end radially-outer surface of pressure inlet 23 is in the conical surface, and the radial dimension of the conical surface is gradually reduced by front end to rear end.
The setting promotes the speed that liquid is sprayed from pressure inlet 23, so that the vacuum in drainage channel 26 be made to inhale for being pressurized to liquid
Power enough absorbs the etching waste liquor on circuit board.
As shown in figure 11, the inlet of rear pipe portion 25 is preferably provided with inner tube cambered surface chamfering.Pipe portion 25 inner tube front end afterwards
Caliber is gradually increased by front end to rear end.
Hydrojet component and imbibition component are all long-term and etching solution contacts, working environment is poor, through after a period of time
After operation, the replacement for needing timely to carry out cleaning and component makes disassembly process to reduce the piping connection between each component
It is relatively convenient.
As shown in Figure 12 and Figure 13, the present embodiment includes joint assembly, including rack, sliding support and pinboard 29, is slided
Dynamic bracket includes intermediate support 30 and two sides side frame 31, and sliding support can be arranged on the rack with respect to housing slide, pinboard 29；
It is provided with interconnected the first inlet tube 4 and jet pipe 6 on intermediate support 30, is provided with the second inlet tube 32 on side frame 31, turns
Third inlet tube 33 is provided on fishplate bar 29；First inlet tube 4 is connected to the second inlet tube 32 through water supply hose 34, the second feed liquor
Pipe 32 and third inlet tube 33 are detachably connected through eye-splice mode.
Rack is the foundation base of this equipment, and imbibition component, hydrojet component may be provided on sliding support, need to clean
When, the second inlet tube 32 and third inlet tube 33 are dismantled, then pull out sliding support, i.e., detachable sliding support is cleaned, clearly
It is very convenient quick to wash journey.
Preferably through sliding slot mode slidable connection between side frame 31 and rack, the two can pass through the sliding slot and cunning in T-type section
Block is mutually slidably matched, and sliding support is quickly pulled out when easy to disassemble.
The attachment base 35 for fixing corresponding 33 1 side end of third inlet tube of the second inlet tube 32 is provided on side frame 31,
Second inlet tube 32 is threaded through on attachment base 35.Attachment base 35 is used for and pinboard 29 cooperates.Second inlet tube 32 is preferably being inserted
When entering third inlet tube 33, attachment base 35 can be bonded with pinboard 29, and attachment base 35 and pinboard 29 cooperate closer.
Preferably be equipped with four third inlet tubes 33 by rectangular cloth on pinboard 29, the first inlet tube 4, the second inlet tube 32 with
Third inlet tube 33 corresponds, and the setting is convenient for the multi-path feed liquor on subsequent imbibition component and hydrojet component, imbibition.
Length direction arranged for interval on side frame 31 along the second inlet tube 32 has at least two fixing seats 36, the second inlet tube
32 are threaded through in fixing seat 36.Fixing seat 36 is used for stabilized second inlet tube 32, and the second inlet tube 32 can be by welding side
Formula is connected and fixed seat 36.
Preferably sealed circle completes sealing, the second inlet tube 32 and third between second inlet tube 32 and third inlet tube 33
It is provided on inlet tube 33 for the interior recess portion for setting sealing ring, sealing ring is fastened in recess portion.
Above embodiments are not limited to the technical solution of the embodiment itself, can be incorporated between embodiment new
Embodiment.Above embodiments are only to illustrate the technical solution of the utility model and are not intended to limit it, all without departing from this
Any modification of utility model spirit and scope or equivalent replacement should all cover the range in technical solutions of the utility model
It is interior.
Claims (10)
1. a kind of etching solution hydrojet component, which is characterized in that including main body, it is gentle that interconnected mixing chamber is offered in main body
Rush chamber, mixing chamber is communicated with the first inlet tube, and cushion chamber is communicated with air inlet pipe, and the bottom of main body is provided with jet pipe, jet pipe it is interior
Chamber is connected to mixing chamber.
2. a kind of etching solution hydrojet component according to claim 1, which is characterized in that first inlet tube is in main body side
Fang Liantong mixing chamber.
3. a kind of etching solution hydrojet component according to claim 1, which is characterized in that the air inlet pipe connects in body top
Logical cushion chamber.
4. a kind of etching solution hydrojet component according to claim 1, which is characterized in that mixing chamber setting position is lower than
Cushion chamber.
5. a kind of etching solution hydrojet component according to claim 4, which is characterized in that the mixing chamber is arranged in cushion chamber
Obliquely downward.
6. a kind of etching solution hydrojet component according to claim 1, which is characterized in that the inner cavity is tapered, internal diameter
It is gradually reduced from the end of end to the ejection of connection mixing chamber.
7. -6 any a kind of etching solution hydrojet component according to claim 1, which is characterized in that the main body is in strip
Shape, mixing chamber and cushion chamber extend along the length direction of main body.
8. a kind of etching solution hydrojet component according to claim 7, which is characterized in that the mixing chamber is connected at least two
First inlet tube.
9. a kind of etching solution hydrojet component according to claim 7, which is characterized in that the cushion chamber is connected at least two
Air inlet pipe.
10. a kind of etching solution hydrojet component according to claim 7, which is characterized in that the mixing chamber and/or cushion chamber
Setting cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821391363.2U CN209218470U (en) | 2018-08-27 | 2018-08-27 | A kind of etching solution hydrojet component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821391363.2U CN209218470U (en) | 2018-08-27 | 2018-08-27 | A kind of etching solution hydrojet component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209218470U true CN209218470U (en) | 2019-08-06 |
Family
ID=67453219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821391363.2U Active CN209218470U (en) | 2018-08-27 | 2018-08-27 | A kind of etching solution hydrojet component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209218470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447751A (en) * | 2020-04-25 | 2020-07-24 | 深圳市科路迪机械设备有限公司 | Precision etching device and etching spray frame thereof |
-
2018
- 2018-08-27 CN CN201821391363.2U patent/CN209218470U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447751A (en) * | 2020-04-25 | 2020-07-24 | 深圳市科路迪机械设备有限公司 | Precision etching device and etching spray frame thereof |
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