CN109275274A - A kind of preparation facilities of circuit board - Google Patents
A kind of preparation facilities of circuit board Download PDFInfo
- Publication number
- CN109275274A CN109275274A CN201811238524.9A CN201811238524A CN109275274A CN 109275274 A CN109275274 A CN 109275274A CN 201811238524 A CN201811238524 A CN 201811238524A CN 109275274 A CN109275274 A CN 109275274A
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- China
- Prior art keywords
- cavity
- sliding block
- fixedly connected
- motor
- face
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
- H05K3/068—Apparatus for etching printed circuits
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of preparation facilities of circuit board, including apparatus main body and it is set to the intracorporal corrosion device of described device master, the corrosion device includes being set in described device main body and the first cavity of opening upwards, the first sliding block is slidably provided in first cavity, what is be connected in the left and right sides inner wall of first cavity is provided with the second cavity, the second sliding block for extending and being passed through in second cavity is fixedly connected on the left and right sides end face of first sliding block, the first bracing wire is fixedly connected on the upside end face of second sliding block, what is be connected in the downside inner wall of first cavity is provided with third cavity；The present invention is directed to design one kind automatically to carry out corrosion processing to circuit board, and relatively previous processing reduces labor intensity of workers, improves operator safety and can accelerate the device of processing efficiency.
Description
Technical field
The present invention relates to circuit board preparation technical field, specially a kind of preparation facilities of circuit board.
Background technique
Circuit board making makes circuit miniaturization, intuitiveization, batch production and optimization electrical appliance layout for fixed circuit
Play an important role, when carrying out the processing of circuit board, need to needing copper film to be used to cover, and by exposed copper film into
Row corrosion is eliminated, and in previous circuit board processing, user of service is needed carry out large batch of circuit board by driving
It carries and is soaked into lysate, very complicated, therefore, designing one kind automatically can carry out corrosion processing to circuit board, and
Relatively previous processing reduces labor intensity of workers, improves operator safety and can accelerate a kind of system of circuit board of processing efficiency
Standby device it is really necessary to.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation facilities of circuit board, in the prior art above-mentioned scarce for overcoming
It falls into.
A kind of preparation facilities of circuit board according to the present invention, including apparatus main body and be set in described device main body
Corrosion device, the corrosion device includes being set in described device main body and the first cavity of opening upwards, described first
The first sliding block is slidably provided in cavity, what is be connected in the left and right sides inner wall of first cavity is provided with the second sky
Chamber is fixedly connected with the second sliding block for extending and being passed through in second cavity, institute on the left and right sides end face of first sliding block
It states and is fixedly connected with the first bracing wire on the upside end face of the second sliding block, the setting being connected in the downside inner wall of first cavity
There is a third cavity, the third cavity is fixedly installed first motor, first electricity in the downside inner wall of the third cavity
The upper end of machine is connected with the turbine flabellum that can be rotated in the third cavity by shaft power, the first motor
Downside and be located at described device main body in be provided with the 4th cavity, the lower end of the first motor is cooperatively connected by shaft power
There is a first bevel gear that can be rotated in the 4th cavity, the left and right sides of the first bevel gear and to be located at the described 4th empty
Intracavitary to can be rotated and what is be meshed be connected with second bevel gear, the second bevel gear is far from one side end face of first motor
It is fixedly connected with the first rotation axis at axle center, is symmetrically arranged with the 5th cavity in the left and right sides inner wall of the 4th cavity,
Third sliding block is slidably provided in 5th cavity, what is be connected in the upper inside walls of the 5th cavity is provided with
Six cavitys are fixedly connected with the Four-slider for extending and being passed through in the 6th cavity, institute on the upside end face of the third sliding block
It states and is fixedly connected with the first spring between the left end face of Four-slider and the inner left wall of the 6th cavity, the described 4th is sliding
Block is provided with close to the first motor side and in the 6th cavity to be slided up and down and upper end extension is passed into institute
The 5th sliding block in the first cavity is stated, left and right is perforative in the third sliding block is provided with first through hole, the first through hole, institute
It states and is rotatably provided with the 6th sliding block in first through hole, left and right is perforative in the 6th sliding block is provided with the second through-hole, institute
It states the first rotation axis and extends that be passed into second through-hole and be fixedly connected with can be with institute far from one end of the first motor
The the first spline block for stating the connection of the second through-hole spline fitted, the side of the first spline block far from the first motor and is located at
The second spline block connecting with the inner wall spline fitted of second through-hole is slidably provided in second through-hole, it is described
Seventh cavity of the opening towards the first motor side is provided in second spline block, in the side arc of the 7th cavity
Annular array is provided with the first fixed block on wall, and the described one end of first spline block far from the first motor is solid by shaft
Surely be connected with the 7th sliding block that can be rotated in the 7th cavity, the 7th sliding block annular array be provided with opening to
The 8th outer cavity, the 8th sliding block is slidably provided in the 8th cavity, and the 8th sliding block is sliding close to the described 7th
Second spring is fixedly connected between the end face of block axle center side and the inner wall of the 8th cavity, the second spline block is separate
The second rotation axis is fixedly connected on the end face of the first motor side, the 5th cavity is far from the first motor side
Inner wall in be provided with the 9th cavity, second rotation axis extends that be passed through the described 9th empty far from one end of the first motor
It is intracavitary and be fixedly connected with the first reel that can be rotated in the 9th cavity, the upper inside walls of the 9th cavity and institute
First threading hole that is provided with being connected between the upper inside walls of the second cavity is stated, the upper end of first bracing wire extends through institute
It is set around on first reel after stating the first threading hole.
It is characterized in that, the intermediate position of end face is fixedly connected with the first column on the upside of first sliding block, described first
Extend outside the upper end opening of first cavity and be fixedly connected with and can be opened with the upper end of first cavity in the upper end of column
The cover board that matches of mouth, is fixedly connected with supporting plate on the side curved end of first column, the supporting plate to place to
The circuit board corroded.
It is characterized in that, the third cavity is fixedly installed isolation board on the inner wall at upper end opening, it is described every
Plate annular array is provided with third through-hole, the corrosion in first cavity can be driven when turbine flabellum rotation
Solution flowing, and then improve corrosive effect.
It is characterized in that, the Four-slider is provided with bevel structure on the end face of the first motor side, institute
It states and is provided with the bevel structure matched with the bevel structure being set on the Four-slider on the downside end face of the 5th sliding block,
8th sliding block extends outside the opening of the 8th cavity far from the one end in the 7th sliding block axle center and is provided with inclined-plane
Structure is set to the inclined-plane on the 8th sliding block by first fixed block when the 7th sliding block rotates forward
Pushing will be pushed out back in the 8th cavity, and when the 7th sliding block rotates backward, the reverse slope of the 8th sliding block will be abutted
On to first fixed block and the second spline block is driven to rotate.
It is characterized in that, being provided with the first guide runner in the upper inside walls of the 6th cavity, the 5th sliding block is close
It is fixedly connected on the end face of the first motor side and extends the first slider guide for being passed through in first guide runner, described the
The first return spring is fixedly connected between the downside end face of one slider guide and the downside inner wall of first guide runner.
The beneficial effects of the present invention are: the configuration of the present invention is simple, easy to operate, by the present apparatus can in circuit board not into
The copper film of row covering is corroded, and only leaves the copper film for carrying out covering in advance, and in the course of work of the present apparatus, only
It needs user of service to put the circuit board of pending processing, relatively passed through driving lifting carrying in the past and corrode with higher
The degree of automation, and safety with higher, while when being processed, the present apparatus can by accelerate the flowing of corrosive liquid into
And accelerate corrosion efficiency, it is worth being recommended to use.
Detailed description of the invention
Fig. 1 is overall structure diagram inside a kind of preparation facilities of circuit board of the invention；
Fig. 2 is the enlarged diagram of " A " in Fig. 1；
Fig. 3 is the connection schematic diagram of the second spline block and the 7th sliding block in Fig. 1.
Specific embodiment
Below with reference to Fig. 1-3, the present invention is described in detail, wherein for sake of convenience, now to hereafter described orientation
Provide as follows: hereafter described front-rear direction up and down is consistent with the front-rear direction up and down of Fig. 1 projection relation itself.
Referring to Fig.1-3, the preparation facilities of a kind of circuit board of embodiment according to the present invention, including apparatus main body 11 and
The corrosion device being set in described device main body 11, the corrosion device include being set in described device main body 11 and being open
The first upward cavity 21 is slidably provided with the first sliding block 39, a left side for first cavity 39 in first cavity 21
What is be connected in right two sides inner wall is provided with the second cavity 35, is fixedly connected on the left and right sides end face of first sliding block 39
Extend the second sliding block 36 being passed through in second cavity 35, is fixedly connected with first on the upside end face of second sliding block 36
Bracing wire 38, what is be connected in the downside inner wall of first cavity 21 is provided with third cavity 26, and the third cavity 26 is described
First motor 31 is fixedly installed in the downside inner wall of third cavity 26, the upper end of the first motor 31 is matched by shaft power
Conjunction is connected with the turbine flabellum 27 that can be rotated in the third cavity 26, the downside of the first motor 31 and is located at the dress
It sets and is provided with the 4th cavity 32 in main body 11, the lower end of the first motor 31 is connected with by shaft power can be described
The first bevel gear 29 rotated in 4th cavity 32, the left and right sides of the first bevel gear 29 and is located at the 4th cavity 32
Interior to can be rotated and what is be meshed be connected with second bevel gear 28, the second bevel gear 28 is far from 31 1 side of first motor
It is fixedly connected with the first rotation axis 25 at the axle center in face, is symmetrically arranged in the left and right sides inner wall of the 4th cavity 32
Five cavitys 52, are slidably provided with third sliding block 53 in the 5th cavity 52, in the upper inside walls of the 5th cavity 52
What is be connected is provided with the 6th cavity 48, is fixedly connected with extension on the upside end face of the third sliding block 53 and is passed through the described 6th
Four-slider 49 in cavity 48, it is solid between the left end face of the Four-slider 49 and the inner left wall of the 6th cavity 48
Surely it is connected with the first spring 51, the Four-slider 49 is close to 31 side of first motor and is located in the 6th cavity 48
Being provided with can slide up and down and upper end extends the 5th sliding block 44 that is passed into first cavity 21, in the third sliding block 53
Left and right is perforative to be provided with first through hole 55, the first through hole 55, is rotatably provided with the 6th in the first through hole 55
Sliding block 58, left and right is perforative in the 6th sliding block 58 is provided with the second through-hole 59, and first rotation axis 25 is far from described
One end of one motor 31, which extends, to be passed into second through-hole 59 and is fixedly connected with and can match with 59 spline of the second through-hole
Close the first spline block 61 of connection, the side of the first spline block 61 far from the first motor 31 and to be located at described second logical
Slidably it is provided with the second spline block 54 connecting with the inner wall spline fitted of second through-hole 59 in hole 59, described second
Seventh cavity 59 of the opening towards 31 side of first motor, the side arc of the 7th cavity 59 are provided in spline block 54
Annular array is provided with the first fixed block 56, the described one end of first spline block 61 far from the first motor 31 on shape inner wall
The 7th sliding block 62 that can be rotated in the 7th cavity 59, the 62 annular battle array of the 7th sliding block are fixedly connected with by shaft
The 8th cavity 64 for being provided with outward opening of column is slidably provided with the 8th sliding block 63 in the 8th cavity 64, described
8th sliding block 63 is fixedly connected between the end face and the inner wall of the 8th cavity 64 of the 62 axle center side of the 7th sliding block
There is second spring 65, the second spline block 54 is fixedly connected with the second rotation on the end face far from 31 side of first motor
Axis 24, the 5th cavity 52 are provided with the 9th cavity 22 in the inner wall far from 31 side of first motor, and described second turn
Moving axis 24 extends that be passed through in the 9th cavity 22 and be fixedly connected with can be described the far from one end of the first motor 31
In the first reel 23 rotated in nine cavitys 22, the upper inside walls of the 9th cavity 22 and the upside of second cavity 35
What is be connected between wall is provided with the first threading hole 37, and the upper end of first bracing wire 38 extends through first threading hole 37
After be set around on first reel 23.
Valuably, the intermediate position of the 39 upside end face of the first sliding block is fixedly connected with the first column 42, and described first
The upper end of column 42 is extended outside the upper end opening of first cavity 21 and is fixedly connected with can be with first cavity 21
The cover board 43 that upper end opening matches is fixedly connected with supporting plate 41, the support on the side curved end of first column 42
Circuit board of the plate 41 to place pending corrosion.
Valuably, the third cavity 26 is fixedly installed isolation board 34 on the inner wall at upper end opening, it is described every
34 annular array of plate is provided with third through-hole 33, first cavity 21 can be driven when the turbine flabellum 27 rotation
Interior etchant solution flowing, and then improve corrosive effect.
Valuably, the Four-slider 49 is provided with bevel structure on the end face of 31 side of first motor, institute
It states and is provided with the inclined-plane matched with the bevel structure being set on the Four-slider 49 on the downside end face of the 5th sliding block 44
Structure, the 8th sliding block 63 extend outside the opening of the 8th cavity 64 simultaneously far from the one end in 62 axle center of the 7th sliding block
It is provided with bevel structure, when the 7th sliding block 62 rotates forward, is set to the inclined-plane on the 8th sliding block 63 by institute
The pushing for stating the first fixed block 56 will be pushed out back in the 8th cavity 64, when the 7th sliding block 62 rotates backward, described
The reverse slope of eight sliding blocks 63 will be abutted on first fixed block 56 and the second spline block 54 being driven to rotate.
Valuably, the first guide runner 46 is provided in the upper inside walls of the 6th cavity 48, the 5th sliding block 44 leans on
The first slider guide for extending and being passed through in first guide runner 46 is fixedly connected on the end face of nearly 31 side of first motor
45, it is fixedly connected between the downside end face of first slider guide 45 and the downside inner wall of first guide runner 46 first time
Position spring 47.
When original state, the upside end face of the second sliding block 36 and the upper inside walls of the second cavity 35 are abutted against, and at this time first
Sliding block 39 rises to greatest extent in the first cavity 21, and supporting plate 41 rises from outside the upper end opening of the first cavity 21, meanwhile, first leads
The upside end face of sliding block 45 and the upper inside walls of the first guide runner 46 abut against, and the upper end of the 5th sliding block 44 extends into greatest extent
In first cavity 21, Four-slider 49 is in the 6th cavity 48 to greatest extent close to first motor 31, third sliding block at this time
53 in the 5th cavity 52 to greatest extent close to first motor 31,54 spline fitted of the first spline block 61 and the second spline block at this time
It is connected to 59 inner wall of the 7th cavity.
When carrying out the corrosion of extra copper film by the present apparatus, the circuit board of pending corrosion is placed in supporting plate by user of service
On 41 upside end face, first motor 31 starts at this time, and in the process, first motor 31 drives turbine flabellum 27 by shaft
Rotation, and then the etchant solution in the first cavity 21 is stirred, and then increase the flow faster corrosive effect of etchant solution,
Meanwhile first motor 31 drives first bevel gear 29 to rotate by shaft, and then drives the first rotation by second bevel gear 28
Axis 25 rotates, and then drives the rotation of the 6th sliding block 58 by the first spline block 61, and then drive second by the second spline block 54
Rotation axis 24 rotates, and then is loosened the first bracing wire 38 by the first reel 23, so that the second sliding block 36 is in the second sky
It is gradually reduced in chamber 35, so that the first sliding block 39 is gradually reduced in the first cavity 21 and circuit board decline is driven to be soaked into
In solution in first cavity 21, in the process, when the downside end face of the first sliding block 39 is abutted to the upper end of the 5th sliding block 44
When, the first sliding block 39 pushes the 5th sliding block 44 that the elastic force of the first return spring 47 is overcome to act on and moves down, and then passes through the 5th
The direction that bevel structure on sliding block 44 and Four-slider 49 drives Four-slider 49 to be directed away from 31 side of first motor is mobile,
And then it is mobile to separate 31 side of first motor to drive third sliding block 53, and then the 6th sliding block 58 is driven to be directed away from first motor
The directions of 31 sides is mobile, and detaches the first spline block 61 outside the 7th cavity 59, and the first sliding block 39 is the at this time
Decline to greatest extent in one cavity 21, first motor 31 continues to rotate forward at this time, and drives the first sky by turbine flabellum 27
Solution in chamber 21 circulates, and the first spline block 61 rotated no longer drives the second spline block 54 to rotate, when dissolution is completed
When, first motor 31 rotates backward, and then drives the first spline block 61 to rotate backward by the first rotation axis 25, and then by turning
Axis drives the 7th sliding block 62 to rotate backward, and then drives the rotation of the second spline block 54 by the reverse slope of the 8th sliding block 63, in turn
Pass through the second rotation axis 24 and drive the rotation of the first reel 23 and tighten the first bracing wire 38 and the second sliding block 36 is driven to rise, when the
The 5th sliding block 44 is gradually brought to original state when one sliding block 39 rises certain altitude, while third sliding block 53 is towards close to first
The direction of 31 side of motor is certain, and the first spline block 61 is sheathed in the 7th cavity 59, the first spline block rotated at this time
61 can drive the rotation of the second spline block 54 again by the 6th sliding block 58, and finally by 39 band of the first sliding block to original state.
The beneficial effects of the present invention are: the configuration of the present invention is simple, easy to operate, by the present apparatus can in circuit board not into
The copper film of row covering is corroded, and only leaves the copper film for carrying out covering in advance, and in the course of work of the present apparatus, only
It needs user of service to put the circuit board of pending processing, relatively passed through driving lifting carrying in the past and corrode with higher
The degree of automation, and safety with higher, while when being processed, the present apparatus can by accelerate the flowing of corrosive liquid into
And accelerate corrosion efficiency, it is worth being recommended to use.
Those skilled in the art can define, can in the case of not departing from overall spirit of the invention and design
To make the various modifications for above embodiments.It falls within the scope of protection of the present invention.Protection scheme of the invention
It is subject to claims appended hereto.
Claims (5)
1. a kind of preparation facilities of circuit board, including apparatus main body and it is set to the intracorporal corrosion device of described device master, institute
Stating corrosion device includes being set in described device main body and the first cavity of opening upwards, slidable in first cavity
It is provided with the first sliding block, what is be connected in the left and right sides inner wall of first cavity is provided with the second cavity, and described first is sliding
Be fixedly connected on the left and right sides end face of block and extend the second sliding block for being passed through in second cavity, second sliding block it is upper
The first bracing wire is fixedly connected on side end face, what is be connected in the downside inner wall of first cavity is provided with third cavity, institute
Third cavity is stated, first motor is fixedly installed in the downside inner wall of the third cavity, the upper end of the first motor passes through
Shaft power is connected with the turbine flabellum that can be rotated in the third cavity, the downside of the first motor and is located at institute
It states and is provided with the 4th cavity in apparatus main body, the lower end of the first motor is connected with by shaft power can be described
The first bevel gear rotated in four cavitys, the left and right sides of the first bevel gear and being located in the 4th cavity can be rotated and
What is be meshed is connected with second bevel gear, fixed company at axle center of the second bevel gear far from one side end face of first motor
It is connected to the first rotation axis, the 5th cavity, the 5th cavity are symmetrically arranged in the left and right sides inner wall of the 4th cavity
Interior to be slidably provided with third sliding block, what is be connected in the upper inside walls of the 5th cavity is provided with the 6th cavity, described
The Four-slider for extending and being passed through in the 6th cavity is fixedly connected on the upside end face of third sliding block, the Four-slider
The first spring is fixedly connected between left end face and the inner left wall of the 6th cavity, the Four-slider is close to described
One motor side and be located at the 6th cavity in be provided with can slide up and down and upper end extend be passed into first cavity
The 5th sliding block, left and right is perforative in the third sliding block is provided with first through hole, the first through hole, in the first through hole
It rotatably is provided with the 6th sliding block, left and right is perforative in the 6th sliding block is provided with the second through-hole, first rotation axis
One end far from the first motor, which extends, to be passed into second through-hole and is fixedly connected with and can spend with second through-hole
Key be cooperatively connected the first spline block, the side of the first spline block far from the first motor and be located at second through-hole
It is interior to be slidably provided with the second spline block connecting with the inner wall spline fitted of second through-hole, in the second spline block
It is provided with seventh cavity of the opening towards the first motor side, annular array on the side arc inner wall of the 7th cavity
Be provided with the first fixed block, the described one end of first spline block far from the first motor is fixedly connected with by shaft can be
The 7th sliding block rotated in 7th cavity, the 8th sky for being provided with outward opening of the 7th sliding block annular array
Chamber is slidably provided with the 8th sliding block in the 8th cavity, and the 8th sliding block is close to the 7th sliding block axle center side
End face and the 8th cavity inner wall between be fixedly connected with second spring, the second spline block is far from first electricity
It is fixedly connected with the second rotation axis on the end face of machine side, is set in the inner wall of the 5th cavity far from the first motor side
It is equipped with the 9th cavity, second rotation axis extends far from one end of the first motor to be passed through in the 9th cavity and fix
It is connected with the first reel that can be rotated in the 9th cavity, the upper inside walls of the 9th cavity and second cavity
Upper inside walls between be connected be provided with the first threading hole, the upper end of first bracing wire extends through the described first logical line
It is set around behind hole on first reel.
2. a kind of preparation facilities of circuit board according to claim 1, it is characterised in that: end face on the upside of first sliding block
Intermediate position be fixedly connected with the first column, the upper end of first column is extended outside the upper end opening of first cavity
And it is fixedly connected with the cover board that can be matched with the upper end opening of first cavity, the side curved end of first column
On be fixedly connected with supporting plate, circuit board of the supporting plate to place pending corrosion.
3. a kind of preparation facilities of circuit board according to claim 1, it is characterised in that: the third cavity is close to upper end
Isolation board is fixedly installed on the inner wall of opening, the isolation board annular array is provided with third through-hole, when the whirlpool
The etchant solution in first cavity can be driven to flow when wheel flabellum rotation, and then improve corrosive effect.
4. a kind of preparation facilities of circuit board according to claim 1, it is characterised in that: the Four-slider is close to described
It is provided with bevel structure on the end face of first motor side, is provided with and is set on the downside end face of the 5th sliding block and is described
The bevel structure that bevel structure on Four-slider matches, the 8th sliding block prolong far from the one end in the 7th sliding block axle center
It stretches out outside the opening of the 8th cavity and is provided with bevel structure, when the 7th sliding block rotates forward, be set to described
Inclined-plane on 8th sliding block will be pushed out back in the 8th cavity by the pushing of first fixed block, when the 7th sliding block is anti-
To when rotation, the reverse slope of the 8th sliding block will be abutted on first fixed block and the second spline block being driven to turn
It is dynamic.
5. a kind of preparation facilities of circuit board according to claim 1, it is characterised in that: in the upside of the 6th cavity
The first guide runner is provided in wall, it is logical that the 5th sliding block is fixedly connected with extension on the end face of the first motor side
Enter the first slider guide in first guide runner, the downside of the downside end face of first slider guide and first guide runner
The first return spring is fixedly connected between inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811238524.9A CN109275274A (en) | 2018-10-23 | 2018-10-23 | A kind of preparation facilities of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811238524.9A CN109275274A (en) | 2018-10-23 | 2018-10-23 | A kind of preparation facilities of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109275274A true CN109275274A (en) | 2019-01-25 |
Family
ID=65194940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811238524.9A Withdrawn CN109275274A (en) | 2018-10-23 | 2018-10-23 | A kind of preparation facilities of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109275274A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373550A (en) * | 2019-09-04 | 2019-10-25 | 乐趣 | A kind of noble metal reclaimer of the titanium-base alloy waste material of powder metallurgy |
| CN110509374A (en) * | 2019-09-29 | 2019-11-29 | 袁自兰 | A kind of immersion type technique wood preservation processing unit (plant) |
-
2018
- 2018-10-23 CN CN201811238524.9A patent/CN109275274A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373550A (en) * | 2019-09-04 | 2019-10-25 | 乐趣 | A kind of noble metal reclaimer of the titanium-base alloy waste material of powder metallurgy |
| CN110509374A (en) * | 2019-09-29 | 2019-11-29 | 袁自兰 | A kind of immersion type technique wood preservation processing unit (plant) |
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Application publication date: 20190125 |