CN108020514A - A kind of copper foil surface acetes chinensis and prosthetic device - Google Patents
A kind of copper foil surface acetes chinensis and prosthetic device Download PDFInfo
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- CN108020514A CN108020514A CN201810047456.1A CN201810047456A CN108020514A CN 108020514 A CN108020514 A CN 108020514A CN 201810047456 A CN201810047456 A CN 201810047456A CN 108020514 A CN108020514 A CN 108020514A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
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- 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
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Abstract
The invention discloses a kind of copper foil surface acetes chinensis and prosthetic device；Belong to copper foil production equipment technology；It includes：Let off roll（1）, the first pre- cryopreservation device（8）, detection device, prosthetic appliance, the second pre- cryopreservation device（9）, wind-up roll（2）；The detection device includes：At least one photoelectric measuring colour sensor（3）；The prosthetic appliance includes：Controller, pickling mechanism（4）, water washing mechanism（5）, dryer（6）, wherein, the photoelectric measuring colour sensor（3）It is connected with controller；The present invention is intended to provide a kind of easy to use, the copper foil surface acetes chinensis and prosthetic device that work well；For handling the aberration problem of copper foil.
Description
Technical field
The present invention relates to a kind of Surface testing and correcting device of copper foil manufactured goods, more particularly to a kind of copper foil table
Face acetes chinensis and prosthetic device.
Background technology
Copper foil surface processing, is the important ring in production technology.In the actual production process, as CN102418129A remembers
The mode of load, copper foil surface processing will pass through processes such as " pickling-roughening-curing-melanism-zinc-plated-passivation-silane treatment ", so
And above-mentioned complicated technique, still can not can be completely eliminated the aberration phenomenons such as paper tinsel face oxidation, the oxidation of former paper tinsel water mark point it is serious or
After surface treating machine guide shaft is influenced by dirt, the probability that aoxidizing occurs in finished product is at a relatively high, so in copper foil production process, these
The appearance that the factor for causing copper foil to aoxidize occurred at random can cause copper foil evidence of oxide to be not fixed state, operating personnel are not easy to send out
The generation of existing problem, and the local copper foil of oxidized surface can be involved in coiled copper foil, and potential hidden danger is caused for client.
Two-sided optical ultrathin lithium electrolytic copper paper tinsel has high requirement when producing and using to the color on its surface, moreover, this want
Asking to use can not manually be met by observation.In the prior art, also there are some copper foil surface detection devices automated.Such as
CN202916214U is detected using CCD camera come the pin hole to copper foil and break；And for example CN203203939U uses 2
CCD camera detects the diaphanous spot of copper foil；And for example it is former to give a kind of mathematics of copper foil oxidation detection method by CN107367465A
Reason.Above-mentioned several detection device and method are substantial, its copper foil for detecting defect, it handles substantially or uses
The mode of cutting is handled, i.e. detection uses " unreel-wind ", and when processing " unreels-winds again（Cutting）" come the side that handles
Formula.
In conclusion the surface chromatic aberration inspection to copper foil, particularly two-sided optical ultrathin lithium electrolytic copper paper tinsel is also lacked in the prior art
Survey the equipment with repairing.Therefore, for copper foil manufacturing enterprise, aberration problem is treated as one and urgently to be resolved hurrily asks
Topic.
The content of the invention
It is an object of the invention in view of the above shortcomings of the prior art, there is provided a kind of easy to use, copper for working well
Paper tinsel surface chromatic aberration detects and prosthetic device.
The technical proposal of the invention is realized in this way：A kind of copper foil surface acetes chinensis and prosthetic device, including：Put
Winding up roller（1）, the first pre- cryopreservation device（8）, detection device, prosthetic appliance, the second pre- cryopreservation device（9）, wind-up roll（2）；
The detection device includes：At least one photoelectric measuring colour sensor（3）；Preferably use 3 photoelectric measuring colour sensors（3）,
The full width that copper foil can be covered is wide；
The prosthetic appliance includes：Controller, pickling mechanism（4）, water washing mechanism（5）, dryer（6）, wherein, the photoelectric measuring
Colour sensor（3）It is connected with controller.
Further, the photoelectric measuring colour sensor of the detection device is CCD camera, 3 CCD cameras be vertically arranged with
The direction of advance of copper foil and the surface for being arranged on copper foil.
Further, the pickling mechanism（4）Including：Pickling rack, the first guide roller of pickling（4-1）, pickling lifting be oriented to
Roller（4-2）, the 3rd guide roller of pickling（4-3）, the 4th driven roller of pickling（4-4）, the pickling machine sets up and is equipped with descaling bath（4-
8）And descaling bath is arranged on pickling lifting guide roller（4-2）Lower section, dilution heat of sulfuric acid is provided with descaling bath；The acid
The side that the first guide roller is arranged on descaling bath is washed, the 3rd guide roller of pickling is arranged on the another of descaling bath with the 4th driven roller of pickling
Outer side, the pickling lift guide roller（4-2）For liftable guide roller, copper foil lifts guide roller in pickling（4-2）Lower section.
Further, the pickling frame top is provided with the first hydraulic telescopic rod（4-5）, first hydraulic telescopic rod
Fixed part is fixed in pickling rack, and the activity bar portion of first hydraulic telescopic rod is connected with first rotating shaft supporting support（4-
7）, first rotating shaft supporting support（4-7）Be provided at both ends with and pickling lifting guide roller（4-2）The matched connection of shaft
Portion；First hydraulic telescopic rod（4-5）It is connected with controller.
Further, it is provided with limiting section in the vertical bar of pickling rack（4-6）, rotating shaft support stent（4-7）Connection
Portion is provided with sliding slot, limiting section（4-6）It is inserted into the connecting portion of first rotating shaft supporting support, first rotating shaft supporting support（4-
7）Connecting portion can only be slided up and down along limiting section.
Further, the water washing mechanism（5）Including：Wash rack, the first guide roller of washing（5-1）, washing second be oriented to
Roller（5-2）, washing the 3rd guide roller（5-3）, washing the 4th driven roller（5-4）, the rinsing machine sets up and is equipped with rinsing bowl and water
Washing trough is arranged on the second guide roller of washing（5-2）Lower section, clear water is provided with rinsing bowl；The first guide roller of the washing is set
Put and the other side of rinsing bowl, the water are arranged on washing the 4th driven roller in the side of rinsing bowl, the 3rd guide roller of washing
Wash the second guide roller（5-2）For liftable guide roller, copper foil washes the second guide roller in washing（5-2）Lower section；The rinsing machine
Erection is equipped with the second hydraulic telescopic rod, and the fixed part of second hydraulic telescopic rod is fixed in washing rack, second liquid
The activity bar portion of pressure telescopic rod is connected with the second rotating shaft support stent, and the second rotating shaft support stent is provided at both ends with and washing the
The matched connecting portion of shaft of two guide rollers；Limiting section, the second rotating shaft support branch are provided with the vertical bar of washing rack
The connecting portion of frame is provided with sliding slot, and limiting section is inserted into the connecting portion of the second rotating shaft support stent, the second rotating shaft support stent
Connecting portion can only be slided up and down along limiting section.
Further, further include：First state sensor, first state sensor are used for the length for sensing the first hydraulic telescopic rod
L is spent, first state sensor is connected with controller.
Further, further include：Second state sensor, third state sensor, the second state sensor are used to sense the
The length M of two hydraulic telescopic rods, third state sensor are used to sense whether dryer is opened, the second state sensor, the 3rd
State sensor is connected with controller.
Further, the described second pre- cryopreservation device（9）Including：Prestore the first guide roller（9-1）, prestore the second guide roller（9-
2）, prestore the 3rd guide roller（9-3）, copper foil is from second guide roller that prestores（9-2）Upper surface pass through it is described to prestore second
Guide roller（9-2）Also liftable guide roller is used；
Further include：Second prestores device frame, prestores second and is provided with the 3rd hydraulic telescopic rod at the top of device frame, described
The fixed part of 3rd hydraulic telescopic rod is fixed on second and prestores in device frame, and the activity bar portion of the 3rd hydraulic telescopic rod is connected with
3rd rotating shaft support stent, second guide roller that is provided at both ends with and prestores of the 3rd rotating shaft support stent（9-2）Shaft match
The connecting portion of conjunction；3rd hydraulic telescopic rod is connected with controller；
Limiting section is provided with the vertical bar that second prestores device frame, the connecting portion of the 3rd rotating shaft support stent is provided with cunning
Groove, limiting section are inserted into the connecting portion of first rotating shaft supporting support, and the connecting portion of the 3rd rotating shaft support stent can only be along limit
Position portion slides up and down.
Further, the first pre- cryopreservation device（8）With the first pre- cryopreservation device（9）Structure it is identical.
A kind of method of work of copper foil surface acetes chinensis and prosthetic device, the process flow of copper foil are：Copper foil is from unreeling
Released in roller, then in turn through the first pre- cryopreservation device, photoelectric measuring colour sensor, pickling mechanism, water washing mechanism, dryer,
Two pre- cryopreservation devices, are finally packed up by wind-up roll；
Wherein, photoelectric measuring colour sensor is used for the color for detecting copper foil, and photoelectric measuring colour sensor transfers data to controller, controls
Device real-time judge copper foil processed whether there is aberration, and photoelectric measuring colour sensor is connected with controller；
Wherein, in the case where controller does not find that the aberration of copper foil is greater than or equal to predetermined value, copper foil does not enter pickling mechanism
Descaling bath in washed；
In the case where controller finds that the aberration of copper foil is greater than or equal to predetermined value, controller sends signal, copper foil successively into
Enter and washed in the descaling bath of pickling mechanism, the rinsing bowl of water washing mechanism.
Further, when needing to handle copper powder at the same time, copper foil is washed by the rinsing bowl of water washing mechanism all the time.
Further, copper foil enters descaling bath, the method for washing trough washery is：Pickling lifting guide roller, the water of pickling mechanism
The second guide roller of washing of washing machine structure is arranged on the top of copper foil, is respectively used to copper foil being pressed into descaling bath, rinsing bowl；Pickling liter
Drop guide roller, the second guide roller of washing control its position by the first hydraulic telescopic rod, the second hydraulic telescopic rod respectively；Pass through
The first hydraulic telescopic rod, the length of the second hydraulic telescopic rod are controlled, is to realize pickling lifting guide roller, wash the second guide roller
It is no that copper foil is pressed into descaling bath, rinsing bowl.
Further, while pickling lifting guide roller landing, the first pre- cryopreservation device also lands with the second pre- cryopreservation device；
While pickling lifting guide roller rises, the first pre- cryopreservation device also rises with the second pre- cryopreservation device.
A kind of lift control method of pickling lifting guide roller, copper foil is after photoelectric measuring colour sensor through peracid washing machine
Structure, pickling mechanism include pickling lifting guide roller, according to photoelectric measuring colour sensor as a result, controller control pickling lifting
The lifting of guide roller；Wherein, pickling lifting guide roller is lifted by the flexible of the first hydraulic telescopic rod to realize；
First state sensor is also set up, it is used for the length L for sensing the first hydraulic telescopic rod, and the letter of first state sensor
Number it is real-time transmitted to controller；
If the normal predetermined length of the first hydraulic telescopic rod is set to L0, corresponding pickling lifting guide roller is increased to normal condition；
The default extreme length of first hydraulic telescopic rod is set to L1, and corresponding pickling lifting guide roller is reduced to use state；
Be provided with first time module in controller, first time module be used for recording when the first hydraulic telescopic rod reaches L1 when
Between T；When photoelectric measuring colour sensor finds aberration, the T recorded in first time module is zeroed；
According to photoelectric measuring colour sensor, first state sensor, first time module, to determine the dynamic of the first hydraulic telescopic rod
Make：
In the case that the aberration for finding copper foil is greater than or equal to predetermined value, T returns 0, then judges the relation of L and L1, if L<L1
When, controller sends signal,First hydraulic telescopic rod extendsUntil after reaching L1 length, first time module starts timing；If L
During=L1, the first hydraulic telescopic rod is no longer stretched out, first time module reclocking；
When 0<T<During default time T1,First hydraulic telescopic rod is constant, and length keeps L1；
As T=T1, controller sends signal,First hydraulic telescopic rod shortens。
Further, the setting of T1, meet： T1>Traveling length of the copper foil from photoelectricity colour examining distance sensing after descaling bath
The gait of march of degree/copper foil+reserved safety time T2；T2 is reserved safety time, its size takes 5-10s.
Further, the first hydraulic telescopic rod declines, within the preceding T0 times that " aberration region " reaches pickling groove edge, pickling
Lifting guide roller extend out to L1 length, TO 5-30s；
The setting of T1, meet： T1>The copper foil in T0+ aberration region passes through the time+T2 of descaling bath；Reserved safety time T2,
Its size takes 5-10s.
A kind of lift control method of pickling lifting guide roller, copper foil is after photoelectric measuring colour sensor through peracid washing machine
Structure, pickling mechanism include pickling lifting guide roller, according to photoelectric measuring colour sensor as a result, controller control pickling lifting
The lifting of guide roller；Wherein, pickling lifting guide roller is lifted by the flexible of the first hydraulic telescopic rod to realize；
First state sensor is set, it is used for the length L for sensing the first hydraulic telescopic rod, and the signal of first state sensor
It is real-time transmitted to controller；
First time module, the first memory module, the second storage and analysis module, the first time mould are provided with controller
Block is used for recording time T when the first hydraulic telescopic rod reaches L1；First memory module is used to record adjacent aberration region twice
Time difference, its initial value be 0；
The aberration region of first hydraulic telescopic rod " stretching-contraction " processing for the first time is known as the first section aberration region, second
The aberration region of first hydraulic telescopic rod " stretching-contraction " processing is known as the second section aberration region, and so on；
Second storage is used for the detection time in recorded color region with analysis module, and for marking various zones aberration region
The aberration region in first aberration region and end, and for calculating various zones starting aberration region travel distance pickling in real time
The distance X of groove；
Wherein, the calculating of X is as follows：X=copper foil from the length of travel of photoelectricity colour examining distance sensing descaling bath-（Current time-detection
Time）× copper foil gait of march；
The starting in various zones aberration region, the definite method in the aberration region at end are：
First, starting, the end aberration region in the first section aberration region are determined, when receiving aberration region first, is determined
For the starting aberration region in the first section aberration region；……；Within the U times for receiving N aberration regional signals, do not detect
During to aberration region, N aberration zone marker is the first section end region；
Secondly, determine starting, the end aberration region in the second section aberration region, to detect again behind the first section end region
Aberration zone marker originates aberration region for the second section；……；When receiving the U of the second section N aberration regional signals
In, when being not detected by aberration region, the second section N aberration zone marker is the second section end region；
Again, according to preceding method, determine successively remaining section aberration region first, end aberration region.
In the starting aberration region travel distance descaling bath X1 in various zones aberration region, the first hydraulic telescopic rod starts
Start, and the first hydraulic telescopic rod reaches time morning T0 time of the time compared with aberration region arrival descaling bath of L1 length；
After first hydraulic telescopic rod reaches L1, first time, module T started timing, when T=scheduled time T1+ various zones end
During the time difference of region-initiation region, the first hydraulic telescopic rod starts to shrink at；
Wherein, the size of U is set as：First hydraulic telescopic rod is from L1 states, and to L0 states, then to reach L1 states required
Time+T0+T2, its size value are 10-35s；Wherein, T2 is reserved safety time, its size takes 5-10s；
Wherein, photoelectric measuring colour sensor meets to the copper foil distance between descaling bath：Photoelectric measuring colour sensor is between descaling bath
Copper foil distance>[gait of march of the gait of march of copper foil × U- copper foils ×（T1-TO）].
Further, photoelectric measuring colour sensor meets to the copper foil distance between descaling bath：Photoelectric measuring colour sensor is to pickling
Gait of march × U of copper foil distance >=copper foil between groove.
The advantage of the invention is that：
（1）" detection-reparation " scheme that proposition is post-processed for aberration first, copper foil aberration problem of the present invention, mainly
It is to be directed to finished product, that is, has already passed through post processing and cutting, prepares the copper foil that vanning is sent；For finished copper foil, aberration is not
As copper powder, it is distributed, and there are larger erratic behavior（Such as：Aberration may be all not present in a roll）, therefore, according to complete
The mode of reparation, can cause larger pickling waste and processing time is spun out.
（2）The present invention can also handle copper powder problem while aberration problem is handled.
（3）The present invention devises the first pre- cryopreservation device, the second pre- cryopreservation device, the first pre- cryopreservation device, the second pre- cryopreservation device
Setting is to coordinate pickling to lift guide roller, and in pickling, pickling lifting guide roller depresses copper foil, if being not provided with this time pre-
Cryopreservation device, can cause the overtension of copper foil, can destroy the internal organizational structure of copper foil.
（4）The control of pickling dance roller is the big main points that device is rationally applied, it is proposed that 2 schemes：The side of embodiment 1
Method（Separately apply）Detection device is primarily adapted for use in apart from the shorter situation of the length of descaling bath, it is for detection device distance
The method that the length of descaling bath is longer also is adapted for, but ineffective；And the method for embodiment 2（Separately apply）It can only be applicable in
In detection device apart from the longer situation of the length of descaling bath.
Brief description of the drawings
The present invention is described in further detail for embodiment in below in conjunction with the accompanying drawings, but does not form to the present invention's
Any restrictions.
Fig. 1 is the three dimensional structure diagram of embodiment one.
Fig. 2 is three dimensional structure diagram of the embodiment one under another visual angle.
Fig. 3 is the enlarged diagram of the pickling mechanism in embodiment one.
Fig. 4 is the structure diagram of the pickling lifting guide roller in embodiment one.
Fig. 5 is structure diagram of the pickling lifting guide roller under another visual angle in embodiment one.
Fig. 6 is the structure diagram of the first hydraulic telescopic rod in embodiment one.
Fig. 7 is the overall structure profile of embodiment one.
Fig. 8 is to examine equipment, the profile of prosthetic appliance in embodiment one.
Fig. 9 is the schematic diagram that copper foil is pressed into descaling bath by pickling lifting guide roller.
Figure 10 is three dimensional structure diagram of the embodiment one under other visual angles.
Figure 11 is three dimensional structure diagram of the embodiment one under other visual angles.
Figure 12 is lifting-copper foil aberration processing mode schematic diagram of the pickling lifting guide roller of embodiment one.
Figure 13 is the copper foil aberration regional processing schematic diagram of embodiment one.
Figure 14 is the copper foil aberration regional processing schematic diagram of embodiment two.
In figure：Let off roll 1, wind-up roll 2, photoelectric measuring colour sensor 3, pickling mechanism 4, the first guide roller of pickling 4-1, pickling
Lift guide roller 4-2, the 3rd guide roller 4-3 of pickling, the 4th guide roller 4-4 of pickling, the first hydraulic telescopic rod 4-5, limiting section 4-
6th, first rotating shaft supporting support 4-7, descaling bath 4-8, water washing mechanism 5, the first guide roller 5-1 of washing, the second guide roller 5- of washing
2nd, it is pre- that the 3rd guide roller 5-3, the 4th driven roller 5-4 of washing, rinsing bowl 5-5, dryer 6, the first pre- cryopreservation device 8, second are washed
Cryopreservation device 9, the first guide roller 9-1 that prestores, the second guide roller 9-2 that prestores, prestore the 3rd guide roller 9-3.
Embodiment
Embodiment one, refering to shown in Fig. 1 to Fig. 9, a kind of copper foil surface acetes chinensis and prosthetic device of the invention, copper foil
Surface chromatic aberration detects and prosthetic device, including：Let off roll（1）, the first pre- cryopreservation device（8）, detection device, prosthetic appliance, second
Pre- cryopreservation device（9）, wind-up roll（2）；
The detection device includes：3 photoelectric measuring colour sensors（3）；
The prosthetic appliance includes：Controller, pickling mechanism（4）, water washing mechanism（5）, dryer（6）, the photoelectricity colour examining biography
Sensor（3）, pickling mechanism（4）, water washing mechanism（5）, dryer（6）It is connected with controller；
The copper foil is from let off roll（1）Release, successively by detection device, pickling mechanism（4）, water washing mechanism（5）, dryer
（6）, finally by Scroll（2）Pack up.
The photoelectric measuring colour sensor of the detection device is CCD camera, and 3 CCD cameras are vertically arranged and copper foil
Direction of advance and the surface for being arranged on copper foil.
The pickling mechanism（4）Including：Pickling rack, the first guide roller of pickling（4-1）, pickling lifting guide roller（4-2）、
The 3rd guide roller of pickling（4-3）, the 4th driven roller of pickling（4-4）, the pickling machine, which is set up, is equipped with descaling bath and descaling bath setting
Guide roller is lifted in pickling（4-2）Lower section, dilute sulfuric acid washing lotion is provided with descaling bath；First guide roller of pickling is set
In the side of descaling bath, the 3rd guide roller of pickling is arranged on the other side of descaling bath, the pickling with the 4th driven roller of pickling
Lift guide roller（4-2）For liftable guide roller, copper foil lifts guide roller in pickling（4-2）Lower section.
The water washing mechanism（5）Including：Wash rack, the first guide roller of washing（5-1）, washing the second guide roller（5-2）、
Wash the 3rd guide roller（5-3）, washing the 4th driven roller（5-4）, the rinsing machine, which is set up, is equipped with rinsing bowl and rinsing bowl setting
Washing the second guide roller（5-2）Lower section, clear water is provided with rinsing bowl；The first guide roller of the washing is arranged on washing
The side of groove, the 3rd guide roller of washing are arranged on the other side of rinsing bowl with washing the 4th driven roller, and the washing second is led
To roller（5-2）For liftable guide roller, copper foil washes the second guide roller in washing（5-2）Lower section.
The pickling machine sets up and is equipped with the first hydraulic telescopic rod（4-5）, the fixed part of first hydraulic telescopic rod fixes
In pickling rack, the activity bar portion of first hydraulic telescopic rod is connected with first rotating shaft supporting support（4-7）, first rotating shaft
Supporting support（4-7）Be provided at both ends with and pickling lifting guide roller（4-2）The matched connecting portion of shaft；Further, it is
Keep the first hydraulic telescopic rod to drive the security of pickling lifting guide roller, be provided with the vertical bar of pickling rack spacing
Portion（4-6）, rotating shaft support stent（4-7）Connecting portion be provided with sliding slot, limiting section（4-6）It is inserted into first rotating shaft supporting support
Connecting portion in, first rotating shaft supporting support（4-7）Connecting portion can only be slided up and down along limiting section.
The rinsing machine sets up and is equipped with the second hydraulic telescopic rod, and the fixed part of second hydraulic telescopic rod is fixed on washing
In rack, the activity bar portion of second hydraulic telescopic rod is connected with the second rotating shaft support stent, the second rotating shaft support stent
It is provided at both ends with the matched connecting portion of shaft with the second guide roller of washing；It is provided with the vertical bar of washing rack spacing
Portion, the connecting portion of the second rotating shaft support stent are provided with sliding slot, and limiting section is inserted into the connecting portion of the second rotating shaft support stent,
The connecting portion of second rotating shaft support stent can only be slided up and down along limiting section.
Further include：First state sensor, the second state sensor, third state sensor, wherein, first state sensing
Device is used for the length L for sensing the first hydraulic telescopic rod, and the second state sensor is used for the length M for sensing the second hydraulic telescopic rod,
Third state sensor is used to sense whether dryer is opened, the first state sensor, the second state sensor, the 3rd shape
State sensor is connected with controller.
The second pre- cryopreservation device（9）Including：Prestore the first guide roller（9-1）, prestore the second guide roller（9-2）, prestore
3rd guide roller（9-3）, copper foil is from second guide roller that prestores（9-2）Upper surface pass through second guide roller that prestores
（9-2）Also liftable guide roller is used；Further include：Second prestores device frame（Not shown in attached drawing）, in the second pre- cryopreservation device
The 3rd hydraulic telescopic rod is provided with the top of rack, the fixed part of the 3rd hydraulic telescopic rod is fixed on the second pre- cryopreservation device machine
On frame, the activity bar portion of the 3rd hydraulic telescopic rod is connected with the 3rd rotating shaft support stent, and the both ends of the 3rd rotating shaft support stent are set
Be equipped with and prestore the second guide roller（9-2）The matched connecting portion of shaft；3rd hydraulic telescopic rod is connected with controller；
Limiting section is provided with the vertical bar that second prestores device frame, the connecting portion of the 3rd rotating shaft support stent is provided with sliding slot,
Limiting section is inserted into the connecting portion of first rotating shaft supporting support, and the connecting portion of the 3rd rotating shaft support stent can only be along limiting section
Slide up and down.
In addition, the first pre- cryopreservation device（8）With the first pre- cryopreservation device（9）Structure it is identical.
The operation principle of the present invention is as follows：Copper foil is detected by photoelectric measuring colour sensor, photoelectric measuring colour sensor
Data send controller to, and controller judges whether copper foil needs to be repaired；To repair, pickling lifting guide roller need to
The copper foil to be repaired press-in descaling bath；Meanwhile the second guide roller of washing will be pressed into rinsing bowl by the copper foil of descaling bath and clean,
Then the copper foil after water washed is dried by dryer, finally wound；If need not repair, pickling lifting guide roller
Do not contacted with copper foil.
It should be noted that：Water washing mechanism in the present invention can be adjusted according to actual production：（1）If copper foil
The postprocessing working procedures of " copper powder " removal are had been subjected to, then the second guide roller of washing of water washing mechanism drops first in pickling lifting guide roller
Fall behind, the second guide roller of washing also lands, until processing terminates, its reason essentially consists in：Pickling lifting guide roller is rising
During, part pickle will necessarily have been retained, has been dripped on normal copper foil；（2）If copper foil is removed without " copper powder "
Postprocessing working procedures, then the second guide roller of washing of water washing mechanism in the present invention be constantly in landing shape in use
State.
The action of first hydraulic telescopic rod, by：Photoelectric measuring colour sensor is together decided on first state sensor.
The copper foil surface acetes chinensis of embodiment one and the method for work of prosthetic device are as follows：
Copper foil is in the flow of the present apparatus：Copper foil is released from let off roll, then in turn through the first pre- cryopreservation device, photoelectricity colour examining
Sensor, pickling mechanism, water washing mechanism, dryer, the second pre- cryopreservation device, are finally packed up by wind-up roll；
Wherein, photoelectric measuring colour sensor is used for the color for detecting copper foil, and photoelectric measuring colour sensor transfers data to controller, controls
Device real-time judge copper foil processed whether there is aberration, and photoelectric measuring colour sensor is connected with controller；
Wherein, in the case where controller does not find that the aberration of copper foil is greater than or equal to predetermined value, copper foil does not enter pickling mechanism
Descaling bath in washed；
In the case where controller finds that the aberration of copper foil is greater than or equal to predetermined value, controller sends signal, copper foil successively into
Enter and washed in the descaling bath of pickling mechanism, the rinsing bowl of water washing mechanism.
Further, when needing to handle copper powder at the same time, copper foil is washed by the rinsing bowl of water washing mechanism all the time.
Further, copper foil enters descaling bath, the method for washing trough washery is：
Pickling lifting guide roller, the second guide roller of washing of water washing mechanism of pickling mechanism are arranged on the top of copper foil, use respectively
In by copper foil be pressed into descaling bath, rinsing bowl；
Pickling lifting guide roller, the second guide roller of washing control it by the first hydraulic telescopic rod, the second hydraulic telescopic rod respectively
Position；
By controlling the first hydraulic telescopic rod, the length of the second hydraulic telescopic rod, to realize pickling lifting guide roller, washing second
Guide roller whether by copper foil be pressed into descaling bath, rinsing bowl.
Further, the control method of the first hydraulic telescopic rod is as follows：
First state sensor is set, it is used for the length L for sensing the first hydraulic telescopic rod, and the signal of first state sensor
It is real-time transmitted to controller；
If the normal predetermined length of the first hydraulic telescopic rod is set to L0, corresponding pickling lifting guide roller is increased to normal condition；
The default extreme length of first hydraulic telescopic rod is set to L1, and corresponding pickling lifting guide roller is reduced to use state；
Be provided with first time module in controller, first time module be used for recording when the first hydraulic telescopic rod reaches L1 when
Between T；When photoelectric measuring colour sensor finds aberration, the T recorded in first time module is zeroed；
According to photoelectric measuring colour sensor, first state sensor, first time module, to determine the dynamic of the first hydraulic telescopic rod
Make：
In the case that the aberration for finding copper foil is greater than or equal to predetermined value, T returns 0, then judges the relation of L and L1, if L<L1
When, controller sends signal,First hydraulic telescopic rod extendsUntil after reaching L1 length, first time module starts timing；If L
During=L1, the first hydraulic telescopic rod is no longer stretched out, first time module reclocking；
When 0<T<During default time T1,First hydraulic telescopic rod is constant, and length keeps L1；
As T=T1, controller sends signal,First hydraulic telescopic rod shortens。
The control method main purpose of above-mentioned first hydraulic telescopic rod, is：How the processing in neighbouring aberration region is handled.
After aberration region is found first, the first hydraulic telescopic rod declines, and pickling groove edge is reached in " aberration region "
In preceding T0 (preferably, using the 5-30s) times, pickling lifting guide roller extend out to L1 length；
T0=copper foil from the hydraulic telescopic rod of gait of march-the first of length of travel/copper foil of photoelectricity colour examining distance sensing descaling bath from
The predetermined time packed up length and reach L1 length；The time is mainly used to the stretching speed by adjusting the first hydraulic telescopic rod,
I.e. cannot be too fast, can not be excessively slow；
In the T1 times after the length arrival L1 of pickling lifting guide roller, when not detecting " aberration region " again, cleaning area
The pace of the length=T1 × copper foil in domain；
In the T1 times after the length arrival L1 of pickling lifting guide roller, when detecting " aberration region " again, pickling liter
Drop guide roller continue elongation to L1 length keep the T1 times, it follows that this control method for：Within the T1 times, copper foil energy
It is enough to be reached from photoelectric measuring colour sensor and pass through descaling bath；
T1>During the gait of march of length of travel/copper foil of the copper foil from photoelectricity colour examining distance sensing after descaling bath+reserved safe Between T2；Reserved safety time T2, its size generally take 5-10s, mainly ensure that the copper foil in " aberration region " is normal with afterwards
Region is formed with certain buffer area.
There are when adjacent " aberration region ", in T=T1, i.e. the adjacent last time of photoelectric measuring colour sensor finds color
After poor region meets the T1 times, at this time, the aberration region finally found has already passed through descaling bath T2 times, the first hydraulic telescopic rod
Pickling is lifted into guide roller pull-up；
There is no when adjacent " aberration region ",T1>The copper foil in T0+ aberration region passes through the time+T2 of descaling bath.In photoelectric measuring
Colour sensor finds after " aberration region " that the traveling of copper foil from length of travel/copper foil of photoelectricity colour examining distance sensing descaling bath is fast
After the degree-T0+T1 times, controller assigns rise order to the first hydraulic telescopic rod.
It should be noted that：Reached in the first hydraulic telescopic rod since being received signal in the time for reaching L1 length,
If receiving the aberration regional signal of " photoelectric measuring colour sensor " again, according to preceding method, still can realize effective clear
Wash；Reason is：The size of T1 is set as：After pickling lifting guide roller drop to precalculated position, passed at this time from photoelectricity colour examining
The copper foil that sensor passes through can also pass through effective cleaning.
In order to more reasonably describe above-mentioned control method, as shown in figure 12, several situations are listed；A is to observe first
Aberration region, according to aforementioned control method, at this time, the first hydraulic telescopic rod driving pickling lifting guide roller landing, T returns 0；b
For second aberration observed region, it is adjacent with a nearer（B belongs to be stretched in the first hydraulic telescopic rod since being received signal
Go out into the time for reaching L1 length the aberration observed）, when photoelectric measuring colour sensor measures b, pickling lift guide roller after
Continuous landing, T return 0；C is the 3rd aberration region observed, and when observing, pickling lifting guide roller has dropped to precalculated position
（That is when the first hydraulic telescopic rod stretching is L1 length）, at this time, the first hydraulic telescopic rod is no longer stretched out, and T returns 0；D is the 4th sight
The distance between the aberration region measured, cd farther out, when observing d, pickling lifting guide roller be in just in raised configuration or
The state of predetermined lifting heights is had arrived at, at this time, pickling lifting guide roller starts again at landing；E observes for the 5th
Aberration region, farther out, when observing e, pickling lifting guide roller is in just in raised configuration or by the distance between de
The state of predetermined lifting heights is reached, at this time, pickling lifting guide roller starts again at landing；
A, b, c are a complete landing-rise processing procedure, and d is a complete landing-rise processing procedure.
From upper analysis：The central scope of this method is：The distance in adjacent " aberration region " less than：Copper foil is certainly
Gait of march-the T0+T1 of length of travel/copper foil of photoelectricity colour examining distance sensing descaling bath）The traveling speed of × copper foil（Hereinafter referred to as
Adjacency）, the first hydraulic telescopic rod is always held at L1 length, until adjacent aberration region also by；For example, for the first time
After aberration regionally detecting, controller assigns stretching instruction, the distance in second of aberration region distance first time aberration region to it
Less than adjacency, the distance in second of aberration region of third time aberration region distance is again smaller than adjacency, the 4th aberration
The distance in region distance third time aberration region again smaller than adjacency, the 4th aberration region of the 5th aberration region distance
Distance is more than adjacency, then the first hydraulic telescopic rod is always maintained at " the 4th aberration region after obtaining stretching out signal
After time time+T1 of detection ", just obtain shortening signal（One stretches contracting completion）, then after the 5th aberration region detection,
Obtain stretching out signal again.
The main reason for above-mentioned consideration adjacency, is：Aberration region often occurs in flakes, in the shorter time
Interior, the first hydraulic telescopic rod can not be completed to shorten（Rise）- stretch out（Landing）This process, it then becomes necessary to consider how to locate
Manage adjacent aberration treatment process.Above-mentioned analysis gives the sets requirement of technological parameter, meanwhile, and one kind is more easily
Control mode.
Embodiment two：Embodiment two is identical with the structure composition of embodiment one.It was found from one analysis is implemented, the first hydraulic pressure
The control method of telescopic rod has stringent time requirement for T1, it is primarily adapted for use in：Short length of travel（I.e. detection device away from
The distance of descaling bath）Or the faster situation of copper foil gait of march.But for wide cut copper foil, copper foil gait of march compared with
Slowly, at this time, can be caused using above-mentioned control method：Normal copper foil between neighbouring " aberration region " also can pickling, first, making
Into economic waste, second, treatment process duration drags too long；Under extreme case, possible pickling lifting guide roller always exists copper foil
In descaling bath, the meaning of " detection-reparation " is lost.
For this reason, it may be necessary to for it is long advance, copper foil gait of march is slower in the case of, there is provided a kind of new design philosophy.
The control method of first hydraulic telescopic rod of embodiment two is as follows：
First state sensor is set, it is used for the length L for sensing the first hydraulic telescopic rod, and the signal of first state sensor
It is real-time transmitted to controller；
First time module, the first memory module, the second storage and analysis module, the first time mould are provided with controller
Block is used for recording time T when the first hydraulic telescopic rod reaches L1；First memory module is used to record adjacent aberration region twice
Time difference, its initial value be 0；
For the ease of expression, the aberration region of the first hydraulic telescopic rod " stretching-contraction " processing for the first time is known as the first section color
Poor region, and so on；
Second storage is used for the detection time in recorded color region with analysis module, and for marking various zones aberration region
The aberration region in first aberration region and end, and for calculating various zones starting aberration region travel distance pickling in real time
The distance X of groove；
Wherein, the calculating of X is as follows：X=copper foil from the length of travel of photoelectricity colour examining distance sensing descaling bath-（Current time-detection
Time）× copper foil gait of march；
The starting in various zones aberration region, the definite method in the aberration region at end are：
First, starting, the end aberration region in the first section aberration region are determined, when receiving aberration region first, is determined
For the starting aberration region in the first section aberration region；……；Within the U times for receiving N aberration regional signals, do not detect
During to aberration region, N aberration zone marker is the first section end region；
Secondly, determine starting, the end aberration region in the second section aberration region, to detect again behind the first section end region
Aberration zone marker originates aberration region for the second section；……；When receiving the U of the second section N aberration regional signals
In, when being not detected by aberration region, the second section N aberration zone marker is the second section end region；
Again, according to preceding method, determine successively remaining section aberration region first, end aberration region.
In the starting aberration region travel distance descaling bath X1 in various zones aberration region, the first hydraulic telescopic rod starts
Start, and the first hydraulic telescopic rod reaches time morning T0 time of the time compared with aberration region arrival descaling bath of L1 length；
After first hydraulic telescopic rod reaches L1, first time, module T started timing, when T=scheduled time T1+ various zones end
During the time difference of region-initiation region, the first hydraulic telescopic rod starts to shrink at；
Wherein, the size of U is set as：First hydraulic telescopic rod is from L1 states, and to L0 states, then to reach L1 states required
Time+T0+T2, its size value are 10-35s.
Such scheme, by taking " stretching-contraction " of first time hydraulic telescopic rod as an example：
When first hydraulic telescopic rod is in shortening state, after aberration regional signal is received first, aberration region travel distance
During descaling bath X1, the first hydraulic telescopic rod starts to start, and then the first hydraulic telescopic rod is stretched out after L1 length, at the first time
Module starts timing, when the time that the first hydraulic pressure extension bar reaches L1 length reaches the morning time T0 of descaling bath compared with aberration region
Between；
Within the U times after receiving aberration regional signal first, aberration region is not detected again, and in T=T1, first
Hydraulic telescopic rod, which shortens, is retracted to precalculated position；
Within the U times after receiving aberration regional signal first, when detecting aberration region, time for detecting for the second time
The difference of the time of 1 time detection is denoted as 01, within the U times after detecting the regional signal of aberration for the second time, is not detected by color
During poor region, and during T=T1+01, the first hydraulic telescopic rod, which shortens, is retracted to precalculated position；
It is adjacent to detect twice when detecting aberration region again within the U times after detecting the regional signal of aberration for the second time
The difference of time be denoted as 02, within the U times after detecting the regional signal of aberration for the third time, when being not detected by aberration region,
And during T=T1+01+02, the first hydraulic telescopic rod, which shortens, is retracted to precalculated position；
It is adjacent to detect twice when detecting aberration region again within the U times after detecting the regional signal of aberration for the third time
The difference of time be denoted as 03, within the U times after detecting the regional signal of aberration for the third time, when being not detected by aberration region,
And during T=T1+01+02+03, the first hydraulic telescopic rod, which shortens, is retracted to precalculated position；
……
So circulation judges repeatedly, to determine the retraction opportunity of the first time of the first hydraulic telescopic rod.
The control method of embodiment two, it has to establish could be real on the basis of section end aberration region is known
Apply, i.e., before meeting the first hydraulic telescopic rod lift requirement again, first determine section end aberration region,；It is required：Photoelectricity colour examining passes
Sensor is longer to the copper foil traveling time between descaling bath（Or travel distance is longer）.
The limit application conditions of embodiment two are：Photoelectric measuring colour sensor is to the copper foil distance+copper foil between descaling bath
Gait of march ×（T1-TO）Gait of march × U of=copper foil；
Photoelectric measuring colour sensor to the copper foil distance+copper foil between descaling bath gait of march ×（T1-TO）>The traveling of copper foil
During speed × U, the mode of selection example two；
Photoelectric measuring colour sensor to the copper foil distance+copper foil between descaling bath gait of march ×（T1-TO）The row of≤copper foil
During into speed × U, the mode of selection example one；
Preferably, when meeting following formula：Gait of march of the photoelectric measuring colour sensor to the copper foil distance >=copper foil between descaling bath
×U；Using the method for embodiment two.
The thought of above-mentioned analysis is, in order to improve the treatment effect in adjacent aberration region, can use the side of embodiment two
Formula, it needs to meet：Photoelectric measuring colour sensor is to the copper foil distance between descaling bath>The row of the gait of march of copper foil × U- copper foils
Into speed ×（T1-TO）, it is preferred that the gait of march of photoelectric measuring colour sensor to the copper foil distance >=copper foil between descaling bath ×
U, i.e., propose requirement to distance of the photoelectric measuring colour sensor away from descaling bath.
Gait of march × U of the photoelectric measuring colour sensor to the copper foil distance≤copper foil between descaling bath；Using embodiment one
Method.
As shown in Figure 14, to lift the process of guide roller using the pickling of the control method of embodiment two, in pickling liter
Before dropping guide roller rise, controller determines the starting in the first section aberration region, end aberration region（A is the starting of the first section
Aberration region, c are the first section end aberration regions）；After the cleaning of first section aberration region, pickling lifting guide roller rises；
Then, in the d in the second section aberration region（It is both the starting aberration region of the second section, and the second section end
Aberration region）Reach apart from descaling bath X1 apart from when, pickling lifting guide roller landing, then the second section aberration region clean
Afterwards, pickling lifting guide roller rises.
Embodiment provided above is the better embodiment of the present invention, is only used for the convenient explanation present invention, not to this hair
The limitation of bright work in any form, any those of ordinary skill in the art, if putting forward skill not departing from the present invention
In the range of art feature, using the equivalent embodiment for locally changing or modifying made by disclosed technology contents, and
Without departing from the technical feature content of the present invention, in the range of still falling within the technology of the present invention feature.
Claims (10)
1. a kind of copper foil surface acetes chinensis and prosthetic device, it is characterised in that including：Let off roll（1）, the first pre- cryopreservation device
（8）, detection device, prosthetic appliance, the second pre- cryopreservation device（9）, wind-up roll（2）；
The detection device includes：At least one photoelectric measuring colour sensor（3）；
The prosthetic appliance includes：Controller, pickling mechanism（4）, water washing mechanism（5）, dryer（6）, wherein, the photoelectric measuring
Colour sensor（3）It is connected with controller.
2. copper foil surface acetes chinensis as claimed in claim 1 and prosthetic device, it is characterised in that the light of the detection device
Electrical measurement colour sensor is CCD camera, CCD camera be vertically arranged the direction of advance with copper foil and be arranged on copper foil just on
Side；The full width that the quantity of CCD camera can cover copper foil is wide.
3. copper foil surface acetes chinensis as claimed in claim 1 and prosthetic device, it is characterised in that the pickling mechanism（4）
Including：Pickling rack, the first guide roller of pickling（4-1）, pickling lifting guide roller（4-2）, the 3rd guide roller of pickling（4-3）, acid
Wash the 4th driven roller（4-4）, the pickling machine sets up and is equipped with descaling bath（4-8）And descaling bath is arranged on pickling lifting guide roller
（4-2）Lower section, dilution heat of sulfuric acid is provided with descaling bath；First guide roller of pickling is arranged on the side of descaling bath,
The 3rd guide roller of pickling is arranged on the other side of descaling bath with the 4th driven roller of pickling, and the pickling lifts guide roller（4-2）
For liftable guide roller, copper foil lifts guide roller in pickling（4-2）Lower section.
4. copper foil surface acetes chinensis as claimed in claim 3 and prosthetic device, it is characterised in that the pickling frame top
It is provided with the first hydraulic telescopic rod（4-5）, the fixed part of first hydraulic telescopic rod is fixed in pickling rack, and described first
The activity bar portion of hydraulic telescopic rod is connected with first rotating shaft supporting support（4-7）, first rotating shaft supporting support（4-7）Both ends set
It is equipped with and lifts guide roller with pickling（4-2）The matched connecting portion of shaft；First hydraulic telescopic rod（4-5）With controller
Connection.
5. copper foil surface acetes chinensis as claimed in claim 4 and prosthetic device, it is characterised in that in the vertical of pickling rack
Limiting section is provided with bar（4-6）, rotating shaft support stent（4-7）Connecting portion be provided with sliding slot, limiting section（4-6）It is inserted into
In the connecting portion of one rotating shaft support stent, first rotating shaft supporting support（4-7）Connecting portion can only be slided up and down along limiting section.
6. copper foil surface acetes chinensis as claimed in claim 1 and prosthetic device, it is characterised in that the water washing mechanism（5）
Including：Wash rack, the first guide roller of washing（5-1）, washing the second guide roller（5-2）, washing the 3rd guide roller（5-3）, water
Wash the 4th driven roller（5-4）, the rinsing machine erection is equipped with rinsing bowl and rinsing bowl is arranged on the second guide roller of washing（5-2）
Lower section, clear water is provided with rinsing bowl；The first guide roller of the washing is arranged on the side of rinsing bowl, and washing the 3rd is oriented to
Roller is arranged on the other side of rinsing bowl, the second guide roller of the washing with the 4th driven roller of washing（5-2）It is oriented to for liftable
Roller, copper foil wash the second guide roller in washing（5-2）Lower section；The rinsing machine, which is set up, is equipped with the second hydraulic telescopic rod, and described the
The fixed part of two hydraulic telescopic rods is fixed in washing rack, and the activity bar portion of second hydraulic telescopic rod is connected with second turn
Axis supporting support, the matched connecting portion of shaft being provided at both ends with the second guide roller of washing of the second rotating shaft support stent；
Limiting section is provided with the vertical bar of washing rack, the connecting portion of the second rotating shaft support stent is provided with sliding slot, and limiting section is inserted
Enter into the connecting portion of the second rotating shaft support stent, the connecting portion of the second rotating shaft support stent can only glide along on limiting section
It is dynamic.
7. copper foil surface acetes chinensis and prosthetic device as described in claim 4 or 5, it is characterised in that further include：First shape
State sensor, first state sensor are used for the length L for sensing the first hydraulic telescopic rod, and first state sensor connects with controller
Connect.
8. copper foil surface acetes chinensis as claimed in claim 6 and prosthetic device, it is characterised in that further include：Second state
Sensor, third state sensor, the second state sensor are used for the length M for sensing the second hydraulic telescopic rod, and the third state passes
Sensor is used to sense whether dryer is opened, and the second state sensor, third state sensor are connected with controller.
9. copper foil surface acetes chinensis as claimed in claim 1 and prosthetic device, it is characterised in that the second pre- cryopreservation device
（9）Including：Prestore the first guide roller（9-1）, prestore the second guide roller（9-2）, prestore the 3rd guide roller（9-3）, copper foil is from institute
State second guide roller that prestores（9-2）Upper surface pass through second guide roller that prestores（9-2）Also liftable guide roller is used；
Further include：Second prestores device frame, prestores second and is provided with the 3rd hydraulic telescopic rod at the top of device frame, described
The fixed part of 3rd hydraulic telescopic rod is fixed on second and prestores in device frame, and the activity bar portion of the 3rd hydraulic telescopic rod is connected with
3rd rotating shaft support stent, second guide roller that is provided at both ends with and prestores of the 3rd rotating shaft support stent（9-2）Shaft match
The connecting portion of conjunction；3rd hydraulic telescopic rod is connected with controller；
Limiting section is provided with the vertical bar that second prestores device frame, the connecting portion of the 3rd rotating shaft support stent is provided with cunning
Groove, limiting section are inserted into the connecting portion of first rotating shaft supporting support, and the connecting portion of the 3rd rotating shaft support stent can only be along limit
Position portion slides up and down.
10. copper foil surface acetes chinensis as claimed in claim 9 and prosthetic device, it is characterised in that the first pre- cryopreservation device（8）
With the first pre- cryopreservation device（9）Structure it is identical.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810047456.1A CN108020514B (en) | 2018-01-18 | 2018-01-18 | Copper foil surface color difference detection and restoration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810047456.1A CN108020514B (en) | 2018-01-18 | 2018-01-18 | Copper foil surface color difference detection and restoration device |
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| CN108020514B (en) | 2023-09-05 |
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