CN209449009U - A kind of temporary cylinder of the etching based on printing circuit board - Google Patents
A kind of temporary cylinder of the etching based on printing circuit board Download PDFInfo
- Publication number
- CN209449009U CN209449009U CN201821997893.1U CN201821997893U CN209449009U CN 209449009 U CN209449009 U CN 209449009U CN 201821997893 U CN201821997893 U CN 201821997893U CN 209449009 U CN209449009 U CN 209449009U
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- China
- Prior art keywords
- liquid level
- shell
- level gauge
- circuit board
- etching
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Abstract
The utility model discloses a kind of etchings based on printing circuit board of printing circuit board technical field to keep in cylinder, including shell, the front of the shell is provided with multiple etching grooves, the front base two sides of the shell are welded with two partitions, the upper left-hand of the shell is equipped with liquid level sensor, the liquid level sensor includes first liquid level gauge, second liquid level gauge is provided on the right side of the first liquid level gauge, the other end of the first liquid level gauge runs through partition, the other end of the second liquid level gauge is located in etching groove, the left bottom of the shell is welded with fixed plate, the controller and first liquid level gauge and second liquid level gauge are electrically connected, the left side of the controller and connecting line are electrically connected, pass through the combination of the devices such as the medicine-sucking pump being provided on device and controller, the liquid level inside etching groove can be automatically controlled, to realize The operation such as auto feed, reduces manual operation, and economic and practical is stronger.
Description
Technical field
The utility model relates to printing circuit board technical field, specially a kind of etching based on printing circuit board is temporary
Cylinder.
Background technique
Printed circuit board is also known as printed wiring board, is important electronic component, is the supporter of electronic component, is electronics
The carrier of component electrical connection.Since it is made of electron printing, therefore circuit board referred to as " is printed ", electronics is set
For using after printed board, due to the consistency of similar printed board, so as to avoid the mistake of artificial wiring, and electronics member can be realized
Device inserts automatically or attachment, automatic tin soldering, automatic detection, ensure that the quality of electronic equipment, improves labor productivity, drop
Low cost, and it is easy to repair.At present, the typical process of printed circuit board processing uses " graphic plating method ".I.e. first in plank
In the foil section that outer layer need to retain, that is, one layer of slicker solder resist layer of preplating on the visuals of circuit, then use chemistry side
Formula erodes remaining copper foil, referred to as etches.
Etching solution is manually poured into etching groove by the existing temporary cylinder needs of etching, makes the copper on etching solution and circuit board
Foil reaction, corrodes copper foil, to achieve the effect that etching, but such method needs manual oversight, and needs artificial addition erosion
Carve liquid, and can not check the content of etching solution in etching groove altogether in work, be unfavorable for using.
Utility model content
The purpose of this utility model is to provide a kind of etchings based on printing circuit board to keep in cylinder, to solve above-mentioned background
Itd is proposed in technology the problem of cannot adding etching solution automatically.
To achieve the above object, the utility model provides the following technical solutions: a kind of etching based on printing circuit board is temporary
Deposit cylinder, including shell, the front of the shell is provided with multiple etching grooves, the front base two sides of the shell be welded with two every
Plate, the upper left-hand of the shell are equipped with liquid level sensor, and the liquid level sensor includes first liquid level gauge, first liquid
The right side of position meter is provided with second liquid level gauge, and the other end of the first liquid level gauge runs through partition, the second liquid level gauge it is another
One end is located in etching groove, and the left bottom of the shell is welded with fixed plate, and the top of the fixed plate is welded with medicine-sucking pump,
Be electrically connected with connecting line on the right side of the medicine-sucking pump, the delivery outlet of the medicine-sucking pump and input port respectively with discharge nozzle and material feeding
Pipe connects, and is equipped with water valve on the discharge nozzle, the upper socket of the discharge nozzle has transfer tube, the right side bottom of the transfer tube
Portion is connect with shell upper, and the bottom of the shell is welded with bottom plate, and the front left of the bottom plate is equipped with controller, described
Controller and first liquid level gauge and second liquid level gauge are electrically connected, and the left side of the controller and connecting line are electrically connected, described
The centre of the top front of shell is equipped with cover board.
Preferably, the first liquid level gauge is located at the bottom of etching groove, and the second liquid level gauge is located at the top of etching groove.
Preferably, the medicine-sucking pump is magnetic drive pump, and the water valve is pneumatic operated valve.
Preferably, the controller is the water pump controller based on STM32 chip.
Preferably, the shell is fire-retardant PP plate.
Compared with prior art, the utility model has the beneficial effects that passing through a kind of etching based on printing circuit board
The setting of temporary cylinder, it is reasonable in design, cover board is opened, circuit board is put into the etching groove of interior of shell, filling tube is passed through
Outer picking-up container is detected by liquid level of the liquid level sensor to shell inner cavity, when first liquid level gauge detects that water level is lower,
Controller controls the starting of medicine-sucking pump, and medicine-sucking pump is made to extract etching solution out out of outer picking-up container and inject by filling tube and discharge nozzle
To the inner cavity of shell, to be etched to circuit board, when second liquid level gauge detects that liquid level is higher, medicine is taken out in controller control
The stopping of pump reduces artificial operation to stop fluid injection.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model overlooking structure diagram.
In figure: 1 shell, 2 etching grooves, 3 liquid level sensors, 4 filling tubes, 41 discharge nozzles, 5 medicine-sucking pumps, 6 fixed plates, 7 lids
Plate, 8 bottom plates, 9 transfer tubes, 10 water valves, 11 connecting lines, 12 controllers, 13 first liquid level gauges, 14 second liquid level gauges, 15 partitions.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides the following technical solutions: a kind of temporary cylinder of the etching based on printing circuit board is used for etching groove
The automatic addition of interior etching solution, referring to Fig. 1, including shell 1, the front of shell 1 is provided with multiple etching grooves 2, thus to multiple
Circuit board is etched, and the front base two sides of shell 1 are welded with two partitions 15, so that multiple circuit boards are added, shell 1
Upper left-hand is equipped with liquid level sensor 3, and liquid level sensor 3 includes first liquid level gauge 13, and the right side of first liquid level gauge 13 is arranged
There is second liquid level gauge 14, the other end of first liquid level gauge 13 runs through partition 15, and the other end of second liquid level gauge 14 is located at etching groove 2
Interior, to detect to the two position in etching groove 2, the left bottom of shell 1 is welded with fixed plate 6, to medicine-sucking pump 5 into
Row is fixed, and the top of fixed plate 6 is welded with medicine-sucking pump 5, and the right side of medicine-sucking pump 5 is electrically connected with connecting line 11, to medicine-sucking pump 5
Operation is controlled, and the delivery outlet of medicine-sucking pump 5 and input port are connect with discharge nozzle 41 and filling tube 4 respectively, thus to etching solution
It is transported, water valve 10 is installed on discharge nozzle 41, medicine-sucking pump 5 is magnetic drive pump, is controlled the run-off of discharge nozzle 41, out
The upper socket of expects pipe 41 has transfer tube 9, and the bottom right side of transfer tube 9 is connect with 1 top of shell, and the bottom of shell 1 is welded with
Bottom plate 8 is fixed and supports to shell 1, and the front left of bottom plate 8 is equipped with controller 12, and controller 12 is based on STM32
The water pump controller of chip, controller 12 and first liquid level gauge 13 and second liquid level gauge 14 are electrically connected, the left side of controller 12
It is electrically connected, liquid level sensor 3 and medicine-sucking pump 5 is controlled, first liquid level gauge 13 is located at etching groove 2 with connecting line 11
Bottom, second liquid level gauge 14 are located at the top of etching groove 2, and for the level sensing of 1 inner cavity of shell, medicine-sucking pump 5 is magnetic drive pump, water
Valve 10 is pneumatic operated valve, and shell 1 is that fire-retardant PP plate is used for referring to Fig. 2, the centre of the top front of shell 1 is equipped with cover board 7
Launch the circuit board for needing to etch.
In a specific embodiment, user opens cover board 7, and the circuit board for needing to be etched operation is put into shell 1
In internal etching groove 2, the outer picking-up container of the other end of filling tube 4, liquid level sensor 3 detects the liquid level of 1 inner cavity of shell,
When first liquid level gauge 13 detects that liquid level is lower, information is communicated to controller 12, controller 12 is controlled by connecting line 11
Medicine-sucking pump 5 starts, and so that medicine-sucking pump 5 is extracted etching solution out out of hopper by filling tube 4 and is injected by discharge nozzle 41 and transfer tube 9
To the inner cavity of shell 1, the run-off of discharge nozzle 41 can control by water valve 10, to carry out to the circuit board in etching groove 2
Etching, while when second liquid level gauge 14 detects that liquid level is higher, information is communicated to controller 12, controller 12 passes through connection
It is out of service that line 11 controls medicine-sucking pump 5, to stop extracting etching solution out of outer picking-up container, stops fluid injection, reduces artificial behaviour
Make, facilitates the automatic addition of etching solution.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. cylinder, including shell (1) are kept in a kind of etching based on printing circuit board, it is characterised in that: the front of the shell (1)
It is provided with multiple etching grooves (2), the front base two sides of the shell (1) are welded with partition (15), the top of the shell (1)
Left side is equipped with liquid level sensor (3), and the liquid level sensor (3) includes first liquid level gauge (13), the first liquid level gauge
(13) it being provided on the right side of second liquid level gauge (14), the other end of the first liquid level gauge (13) runs through partition (15), and described the
The other end of two liquidometers (14) is located in etching groove (2), and the left bottom of the shell (1) is welded with fixed plate (6), described
The top of fixed plate (6) is welded with medicine-sucking pump (5), is electrically connected with connecting line (11), the pumping on the right side of the medicine-sucking pump (5)
The delivery outlet of Teat pipette (5) and input port are connect with discharge nozzle (41) and filling tube (4) respectively, are equipped on the discharge nozzle (41)
The upper socket of water valve (10), the discharge nozzle (41) has transfer tube (9), the bottom right side of the transfer tube (9) and shell (1)
Top connection, the bottom of the shell (1) are welded with bottom plate (8), and the front left of the bottom plate (8) is equipped with controller
(12), the controller (12) and first liquid level gauge (13) and second liquid level gauge (14) are electrically connected, the controller (12)
Left side and connecting line (11) are electrically connected, and the centre of the top front of the shell (1) is equipped with cover board (7).
2. cylinder is kept in a kind of etching based on printing circuit board according to claim 1, it is characterised in that: first liquid
Position meter (13) is located at the bottom of etching groove (2), and the second liquid level gauge (14) is located at the top of etching groove (2).
3. cylinder is kept in a kind of etching based on printing circuit board according to claim 1, it is characterised in that: the medicine-sucking pump
It (5) is magnetic drive pump, the water valve (10) is pneumatic operated valve.
4. cylinder is kept in a kind of etching based on printing circuit board according to claim 1, it is characterised in that: the controller
It (12) is the water pump controller based on STM32 chip.
5. cylinder is kept in a kind of etching based on printing circuit board according to claim 1, it is characterised in that: the shell
It (1) is fire-retardant PP plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821997893.1U CN209449009U (en) | 2018-11-30 | 2018-11-30 | A kind of temporary cylinder of the etching based on printing circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821997893.1U CN209449009U (en) | 2018-11-30 | 2018-11-30 | A kind of temporary cylinder of the etching based on printing circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209449009U true CN209449009U (en) | 2019-09-27 |
Family
ID=68012201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821997893.1U Active CN209449009U (en) | 2018-11-30 | 2018-11-30 | A kind of temporary cylinder of the etching based on printing circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209449009U (en) |
-
2018
- 2018-11-30 CN CN201821997893.1U patent/CN209449009U/en active Active
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