A kind of Zinc alloy slide fastener electroplating device
Technical field
The invention belongs to drag chain electric-plating equipment field, be specifically related to a kind of Zinc alloy slide fastener electroplating device.
Background technology
Common a kind of Zinc alloy slide fastener, as disclosing of China Patent No.: ZL200820145408.8" a kind of improvement structure of zinc alloy compression casting zipper ", it comprises chain tooth, pull head, two chain bands, twoThe relative side of sheet chain band is embedded with respectively a row chain tooth, two row chain tooth mutual dislocation engagements, and pull head is stuck inOn the chain tooth of the relative side plate of chain band, on wherein said each chain band, there is the relative side of chain tooth to be provided with conductive filament,This conductive filament is once through the row chain tooth in base band. Conductive filament is two, is knitted on chain band. ByIn be provided with conductive filament on Zinc alloy slide fastener, can realize the conduction of whole piece slide fastener, thereby can be to wholeBar slide fastener carries out electroplating processes. Compare the slide fastener that tradition adopts oxidation processes, adopt drawing of electroplating processesChain, its chain tooth surface is more smooth, and coating is thicker, and Zinc alloy slide fastener matrix is had to protection betterEffect, the service life that can improve slide fastener.
Occur on the market at present Zinc alloy slide fastener electroplating equipment. As China Patent No.: ZL200710067114 open a kind of " Zinc alloy slide fastener electroplating devices ", comprise that cell body machine top coordinatesThe framework arranging, the rotation plate rail left and right sides is connected by oil cylinder and framework, logical on rotation plate railCross the staggered platoon of roller shaft one group of roller is set, the connection of roller shaft upper end arranges negative electrode copper bar, in cell bodySurrounding is equipped with anode conducting circle, and frame right connection arranges motor, driving wheel, driven pulley connectionThe slide fastener transmission mechanism forming.
But adopt this Zinc alloy slide fastener electroplating device to exist two problems in the time electroplating: 1, due toZinc alloy slide fastener shuttles back and forth in each negative electrode copper bar, and in the time electroplating, chain tooth can be too much raw with tough cathode schedulingFriction, cause the coarse even scratch of the chain tooth chain tooth of slide fastener, in order to overcome slide fastener coating in the time electroplatingDefect not uniformly, zipper industry also have adopt by slide fastener cut into chunks shape and be hung on correspondingOn hanger, carry out rack plating, but adopt rack plating mode production efficiency lower. 2, due to Zinc alloy slide fastener aroundBe located on negative electrode copper bar, in the process of slide fastener walking, when the chain tooth of slide fastener is during in diverse location,The distance of chain tooth and galvanic anode is different, be also chain tooth in the time of diverse location, the electric current on chain tooth is closeSpend inconsistently, the deposition velocity of coating is inconsistent, when current density hour easily causes coating coarse very much,And current density is too large, easily cause coating to burn, thus, adopt this drag chain electric-plating equipment,High to the plating solution requirement in coating bath, plating solution need to have current density range in a big way to ensure to drawWhen chain is in diverse location, the current density on chain tooth is all in the current density range of plating solution, just notThere will be coarse or the abnormal conditions such as burn.
The applicant constantly studies problem above, has formed following proposal.
Summary of the invention
The object of the invention is to one can reduce electroplating process medium chain odontotripsis, can ensure that coating is evenZinc alloy slide fastener electroplating device.
In order to achieve the above object, the present invention adopts such technical scheme:
A kind of Zinc alloy slide fastener electroplating device, the moon that comprises coating bath, anode assembly, electrically contacts with slide fastenerUtmost point device and the zip fastener driving device moving along coating bath length direction with drive slide fastener, described anodeDevice comprises with the anodal positive plate being electrically connected of external circuit with in order to place the anode seat of positive plate, described inIn positive plate, offer passage along the length direction of described positive plate, slide fastener is worn along the central axis of passageCross, described cathode assembly comprises lower roller bearing and the upper roller bearing being connected with external circuitry negative electricity, slide fastener fromBetween upper roller bearing and lower roller bearing, pass, described upper roller bearing and described lower roller bearing are all arranged on outside described passage.
In such scheme, described positive plate is rectangular-shaped inert anode plate, cloth on described positive plateBe provided with pod apertures, described pod apertures is passed from the upper surface of described positive plate, and the described passage of process also prolongsExtend the lower surface of described positive plate.
As the another kind of embodiment of positive plate, described positive plate comprises the upper anode plate cooperatively interactingWith lower positive plate, upper anode plate and lower positive plate removably link together, upper anode plate and XiayangBetween pole plate, form the described passage passing for described slide fastener.
In such scheme, together with described upper anode plate is bolted on described lower positive plate.
In such scheme, described passage is cuboid, and the left and right sides of described passage is the first side wallWith the second sidewall, also comprise the first blind slot being opened on the first side wall and be opened on the second sidewallThe second blind slot, the opening of the opening of described the first blind slot and described the second blind slot is all arranged at described ShangyangThe upper surface of pole plate.
In such scheme, also comprise the water conservancy diversion being laid on described upper anode plate and described lower positive plateHole, an opening of described pod apertures is positioned at described passage, and another opening is positioned at described AnodicThe outer surface of plate and described lower positive plate.
In such scheme, the two sides of described positive plate are respectively arranged with two outward extending support bars,Described supporting base is provided with the support slot coordinating with described support bar, described support bar and described support slotOn all offer screw, described support bar is bolted on described support slot by first.
In such scheme, described coating bath comprises reservoir and the electroplating bath that is arranged on reservoir top,Also comprise in order to electroplate liquid is delivered to the circulating pump in described electroplating bath from described reservoir described electricityThe bottom of coating bath offers perforation, and described perforation is arranged on the below of described positive plate, described perforation andBetween the delivery outlet of described circulating pump, be provided with conduit, the bottom of described electroplating bath also offers described in confessionPlating solution is back to the return port of described reservoir.
In such scheme, in described electroplating bath, be provided with two vertical with described slide fastener direction of travelDividing plate, described dividing plate divides the both sides that are located at described positive plate, offers for described slide fastener on described dividing plateThe opening passing, opening part is provided with the groove seat mating with described upper roller bearing and described lower roller bearing, described inGroove seat extends to the upper surface of described dividing plate and forms oral area from the bottom of described opening, roll on describedAxle and described lower roller bearing are all erected in described groove seat.
In such scheme, also comprise the fixed head that is erected at described export department, described fixed head passes throughScrew is fixed on the upper surface of described dividing plate, and the corresponding described export department of described fixed head offers screw,In screw, be equipped with the second bolt, the lower surface of described the second bolt be set to hemispherical and with described onThe peak of roller bearing is tangent.
Adopt after technical scheme of the present invention, slide fastener is passed in the passage in positive plate, at coating bathThe corresponding electroplate liquid of interior configuration, connects electroplating power supply, starts zip fastener driving device simultaneously and drives slide fastener to existIn coating bath, walk, in the time of the passage of slide fastener by positive plate, the chain tooth on slide fastener electroplated,In electroplating process, the slide fastener coupling element in passage can not produce friction and cause chain tooth mill with other devicesDamage. Slide fastener outside passage does not reach deposition potential because current density is minimum, therefore substantially notCan deposition coating. And slide fastener passes through along the central axis of passage, when electroplating, be positioned at passageCurrent density on each chain tooth is basically identical, and can ensure to electroplate time, coating is even.
Brief description of the drawings
Fig. 1 is structural representation of the present invention (in figure, zip fastener driving device is not shown);
Fig. 2 is the structural representation of electroplating bath of the present invention;
Fig. 3 is the enlarged drawing at A place in Fig. 2;
Fig. 4 is the enlarged drawing at B place in Fig. 2;
Fig. 5 is Anodic plate structure schematic diagram of the present invention;
Fig. 6 is the another kind of structural representation of positive plate of the present invention;
Fig. 7 is lower anode plate structure schematic diagram in Fig. 6;
Fig. 8 is upper anode plate structural representation in Fig. 6.
In figure:
11-reservoir 12-electroplating bath
21-positive plate 211-upper anode plate
Positive plate 213-the first side wall under 212-
214-second sidewall 215-the first blind slot
216-the second blind slot 22-pod apertures
23-support slot 24-support bar
25-the first bolt 26-positive wire
Roller bearing under the upper roller bearing 32-of 31-
33-fixed head 34-the second bolt
35-cathode wire 4-circulating pump
5-return port 6-slide fastener
7-dividing plate 71-opening
72-groove seat 8-conduit
Detailed description of the invention
Be described in detail technical scheme of the present invention below in conjunction with accompanying drawing in order further to explain.
Shown in Fig. 8, a kind of Zinc alloy slide fastener electroplating device, comprises coating bath, anode dressThe cathode assembly of putting, electrically contact with slide fastener and move along coating bath length direction with drive slide fastener 6Zip fastener driving device. Coating bath has reservoir 11 and the electroplating bath 12 that is positioned at reservoir 11 tops to form,Reservoir 11 is for placing electroplating solution and adding electroplating liquid medicine. The bottom of described electroplating bath offers wearsHole (not shown), described perforation is arranged on the below of described positive plate, described perforation and described in followBetween the delivery outlet of ring pump, be provided with conduit 8, the bottom of described electroplating bath 12 also offers for described platingLiquid is back to the return port 5 of described reservoir 11. By arrange circulating pump 4 by plating solution from reservoir 11In be delivered to and in electroplating bath 12, carry out slide fastener electroplating, on electroplating bath 12, be provided with return port 5, electricity simultaneouslyPlating solution in coating bath 12 flows back to reservoir 11 by return port 5, forms thus electroplate liquid and follows on a large scaleRing, ensures that the circulation of metal ion in plating solution is carried, and ensures that coating is more even.
In such scheme, anode assembly comprises with the anodal positive plate being electrically connected of external circuit with in order to putPut the anode seat 9 of positive plate. In described positive plate, offer passage along the length direction of described positive plate,Slide fastener 6 central axis along passage under the effect of slide fastener transmission mechanism passes, drawing in passageThe chain tooth of chain 6 deposits the coat of metal under the effect of external power. Zip fastener driving device has been prior artInstitute discloses, and is mainly used in driving slide fastener to move along coating bath length direction, to realize the continuous electroplating of slide fastener,For example can adopt open a kind of " Zinc alloy slide fastener electroplating dress in China Patent No. ZL200710067114Put " in zip fastener driving device, no longer describe in detail here. Positive plate is selected inert anode plate, exampleAs select stainless steel or graphite cake, and shape adopts rectangular-shaped, and passage is opened in cuboid along lengthOn the central axis of direction, be laid with pod apertures 22 on described positive plate, described pod apertures 22 is from describedThe upper surface of positive plate is passed, through described passage and extend to the lower surface of described positive plate. Like this,Circulating pump is delivered to electroplating bath 12 by plating solution from reservoir 11, and plating solution is from the perforation of electroplating bath 12 bottomsIn through after continue to move upward, pass from the pod apertures 22 of the lower surface of positive plate, through slide fastener 6Chain tooth between gap pass, and pass from the pod apertures 22 of positive plate upper surface, promote plating solutionShuttling movement, and fully contact with the chain tooth of slide fastener 6. Because the chain tooth of slide fastener 6 is at electroplating processIn in intermeshing state, adopt traditional plating mode, at chain tooth engagement position because electroplate liquid flowsMoving property is poor, and metal deposition efficiency is low, the thin coating that even do not plate of coating, and the slide fastener of having electroplated, makesWith after a period of time, in the process opening and closing at slide fastener, the mutual friction of chain tooth phase, causes coating to hold mostEasy to wear, after being worn, coating exposes matrix, have a strong impact on the attractive in appearance and corrosion resistance of slide fastener. AndBy setting up pod apertures, coordinate circulating pump, can realize plating solution and circulate on a large scale, and make slide fastenerChain tooth engagement place fully contacts with plating solution, ensures that the coating entirety of chain tooth is more even.
With reference to Fig. 6 to Fig. 8, as the another kind of embodiment of positive plate, as the another kind of positive plateEmbodiment, described positive plate comprises the upper anode plate 211 and the lower positive plate 212 that cooperatively interact, ShangyangPole plate 211 and lower positive plate 212 removably link together. In an embodiment, upper anode plate 211Together with being bolted on lower positive plate 212, passage be formed on upper anode plate and lower positive plate itBetween form for described slide fastener pass described in. Adopt and can facilitate in this way regular antianode plate to carry out clearlyWash, ensure the good electric conductivity of positive plate, and then ensure that coating is even in the time electroplating.
Preferably, described passage is cuboid, and the left and right sides of described passage is the first side wall 213 HesThe second sidewall 214, also comprises and is opened in the first blind slot 215 on the first side wall 213 and is opened in secondThe second blind slot 216 on sidewall 214, the opening of described the first blind slot 215 and described the second blind slot 216Opening be all arranged at the upper surface of described upper anode plate and from the upper surface of positive plate face south pole plateEnd face extends. The first blind slot 215 and the second blind slot 216 are all along the length direction setting of positive plate. OpenIf the first blind slot 215 and the second blind slot 216 are mainly used to place soluble anode plate, pass through solubilityThe cooperation of positive plate and insoluble anode plate, can ensure good electric conductivity, on the other hand on the one handConstantly supplement metal ion by soluble anode, ensure that in electroplate liquid, concentration of metal ions is stable, electricityWhen plating, coating is more even. In this scheme, pod apertures 22 can be laid on positive plate, with moreFacilitate electroplate liquid to flow at passage inner-outer circulation.
In such scheme, anode seat 9 is fixed in electroplating bath, is mainly used to place positive plate. SunThe two sides of pole plate are respectively arranged with two outward extending support bars 24, and support bar 24 for example can arrangeAt positive plate two ends along its length, by four support bars 24 to set up positive plate, anode seat 9The upper corresponding support slot 23 that is provided with, support bar 24 is erected in support slot 23 matchingly. For furtherFixed anode plate, all offers screw on described support bar 24 and described support slot 23, described supportBar 24 is fixed on described support slot 23 by the first bolt 25. Support bar 24 is selected stainless steel,And positive wire 26 is fixed on the first bolt 25 and is connected to external circuit ground positive pole.
Described cathode assembly comprises lower roller bearing 32 and the upper roller bearing 31 being connected with external circuitry negative electricity, drawsChain passes between upper roller bearing 31 and lower roller bearing 32, and described upper roller bearing 31 and described lower roller bearing 32 are equalAdopt stainless steel roller bearing, be all arranged on outside described passage. Upper roller bearing 31 and lower roller bearing 32 are for example passableIn the following way arrange: in electroplating bath 12, be provided with two vertical with described slide fastener 6 direction of travelDividing plate 7, dividing plate is selected corrosion resistant plate, dividing plate 7, along the width setting of electroplating bath 12, sets up separatelyIn the both sides of described positive plate, on described dividing plate, offer the opening 71 passing for described slide fastener 6, onRoller bearing 31 and 32 of lower roller bearings are arranged on this opening 71 places, be specifically provided with at opening 71 places withThe groove seat 72 that described upper roller bearing 31 and described lower roller bearing 32 mate, groove seat 72 is two, divides to be located at and drawsThe both sides of chain 6. Described groove seat 72 extends to the upper end of described dividing plate 7 from the bottom of described opening 71Face also forms oral area, and the two ends of the two ends of described upper roller bearing 31 and described lower roller bearing 32 are all located at instituteState in groove seat 72, upper roller bearing 31 and lower roller bearing 32 can roll along with the motion of slide fastener 6.
In such scheme, also comprise the fixed head 33 that is erected at described export department, fixed head 33 adoptsCorrosion resistant plate, described fixed head 33 is screwed in the upper surface of described dividing plate 7, by arrangingDismountable fixed head 33, to facilitate upper roller bearing 31 and lower roller bearing 32 are changed. Described solidDetermine the corresponding described export department of plate 33 and offer screw, in screw, be equipped with the second bolt 34, the second boltsHemisphere face tangent with the peak of upper roller bearing 31 can be processed in 34 lower surface. By arranging secondBolt 34 can limit upwards play of roller bearing 31, ensures in the process of walking of slide fastener 6 chain tooth energyContact with lower roller bearing 32 with upper roller bearing 31 reposefully, ensure good electricity between slide fastener and cathode assemblyContact, is deposited on coating on slide fastener coupling element more even.
Above-mentioned detailed description of the invention is intended to describe the present invention but not limits, anyDeviate from reasonable conversion and the modification of essence of the present invention, be all considered as in protection category of the present invention.