CN108571611A - A kind of cast zinc alloy tap that no metal pollutant is precipitated - Google Patents

A kind of cast zinc alloy tap that no metal pollutant is precipitated Download PDF

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Publication number
CN108571611A
CN108571611A CN201810537030.4A CN201810537030A CN108571611A CN 108571611 A CN108571611 A CN 108571611A CN 201810537030 A CN201810537030 A CN 201810537030A CN 108571611 A CN108571611 A CN 108571611A
Authority
CN
China
Prior art keywords
kirsite
ontology
zinc alloy
precipitated
cast zinc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810537030.4A
Other languages
Chinese (zh)
Inventor
洪煌耀
杨勇全
陈永禄
张洋
柘林
曾天生
李炳慰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Quanzhou Lian Kitchen And Toilet Co Ltd
Original Assignee
Quanzhou Lian Kitchen And Toilet Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Quanzhou Lian Kitchen And Toilet Co Ltd filed Critical Quanzhou Lian Kitchen And Toilet Co Ltd
Priority to CN201810537030.4A priority Critical patent/CN108571611A/en
Publication of CN108571611A publication Critical patent/CN108571611A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Prevention Of Electric Corrosion (AREA)

Abstract

The present invention discloses a kind of cast zinc alloy tap that no metal pollutant is precipitated, it is characterised in that:Including kirsite ontology and water inner tube is crossed, crosses the interior intracavitary that water inner tube is set in kirsite ontology;Closing film layer is formed on the internal chamber wall of the kirsite ontology.The internal chamber wall of kirsite ontology is smooth, and poling is easy, and prevents kirsite ontology from abrading water inner tube;Secondly as internal chamber wall closure is strong, it can be ensured that channel of paddling is precipitated without metal pollutant and electroplating process does not pollute plating solution, and corrosion-resistant, service life is high;Furthermore the cast zinc alloy tap of the application can realize that all kinds of bending water channel designs, faucet body can realize surface treatment diversification, have novel appearance, feature at low cost.

Description

A kind of cast zinc alloy tap that no metal pollutant is precipitated
Technical field
The invention belongs to the faucet designs and manufacturing field, in particular to a kind of no metallic pollution in plumbing pipe industry The cast zinc alloy tap that object is precipitated.
Background technology
Although kirsite has the characteristics that various rich reserves, moulding process, high comprehensive performance, is widely used, base It is precipitated and the reasons such as anti intercrystalline corrosion ability is weaker in ontology metal pollutant in use of paddling, including Clearly stipulate that the component being in direct contact with drinking water does not allow to use in some normative documents including GB18145-2014 Kirsite.However, at home and abroad in the market, kirsite faucet body still extensive use, to meet relevant criterion requirement, state Inside and outside famous brand name often only using such alloy faucet body as the shell that do not paddle, crosses water pipe and uses unleaded copper pipe, food The stainless steel tube or polymer tube of grade, to have significant advantage in weight, technological requirement, texture, price etc..Even if such as This, such Zinc alloy casting shell still has following problem during assembly and use:
(1) this part internal chamber wall attachment grains of sand are cast, it is rougher, it is not easy poling, and water pipe was easily abraded in poling operation, Especially macromolecule crosses water pipe, is easy to cause channel metal pollutant precipitation of paddling;
(2) sand grains that internal chamber wall attachment when ultrasonic cleaning is carried out before ontology plating is easy to fall off, can pollute electroplate liquid, cause Ontology surfacing surface quality is bad;
(3) coarse internal chamber wall easily remains electroplate liquid, causes matrix corrosion;
(4) kirsite internal chamber wall is directly exposed to wet environment, perishable, reduces leading service life.
In consideration of it, inventor furthers investigate the above problem, and propose a kind of to solve the above problems The cast zinc alloy tap that no metal pollutant is precipitated.
Invention content
The purpose of the present invention is to provide a kind of cast zinc alloy tap that no metal pollutant is precipitated, tap inner cavities Wall is smooth, and poling is easy;Internal chamber wall closure is strong, it is ensured that channel of paddling is precipitated without metal pollutant and electroplating process does not pollute plating Liquid, corrosion-resistant, service life is high.
In order to achieve the above objectives, solution of the invention is:
A kind of cast zinc alloy tap that no metal pollutant is precipitated, including kirsite ontology and water inner tube excessively, cross water Inner tube is set in the interior intracavitary of kirsite ontology;It is formed with closing film layer on the internal chamber wall of its inner cavity of kirsite ontology.
The closing film layer is electrostatic spray layer, and by electrostatic spraying mode, uniformly attachment is formed in kirsite to closing film layer On the internal chamber wall of its inner cavity of ontology.
The closing film layer is organosilicon epoxy resin layer.
The thickness of the closing film layer is 0.2-0.3mm.
The cast zinc alloy tap further includes whether there is or not lead bronze pipe fitting, which was installed on water inner tube Water inlet end.
The cast zinc alloy tap further includes having bubbler, which was installed on the water outlet of water inner tube.
The kirsite ontology is U-shaped kirsite faucet body, and the water inner tube of crossing is food-grade polymeric pipe.
After adopting the above scheme, the present invention is a kind of cast zinc alloy tap that no metal pollutant is precipitated, relative to The advantageous effect of the prior art is:In forming closing film layer on kirsite chamber body wall, internal chamber wall is smooth, and poling is easy, The internal chamber wall that kirsite ontology can be prevented coarse abrades excessively high molecular water inner tube;Secondly as internal chamber wall closure is strong, it is ensured that relate to Aquaporin is precipitated without metal pollutant and electroplating process does not pollute plating solution, corrosion-resistant, and service life is high;Furthermore the casting of the application Making kirsite tap can realize that all kinds of bending water channel designs, faucet body can realize surface treatment diversification, have appearance new The features such as clever, at low cost.
Description of the drawings
Fig. 1 is the front view of cast zinc alloy tap of the present invention;
Fig. 2 is the exploded view of cast zinc alloy tap of the present invention;
Fig. 3 is the step operation schematic diagram that dusts that cast zinc alloy tap of the present invention carries out internal chamber wall corrosion resistant etching technique;
Fig. 4 is powder recycling schematic diagram.
Label declaration
Cast zinc alloy tap 100:
Kirsite ontology 11, inner cavity 111, internal chamber wall 112 close film layer 113,
Cross water inner tube 12, unleaded copper pipe joint 13, bubbler 14;
Podwer gun 200, dust workbench 300.
Specific implementation mode
This case is described in further detail With reference to embodiment.
This case is related to a kind of cast zinc alloy tap 100 that no metal pollutant is precipitated, as shown in Figs. 1-2, including zinc Alloy bulk 11 and excessively water inner tube 12 are crossed water inner tube 12 and are set in the inner cavity 111 of kirsite ontology 11.Kirsite ontology 11 has Body can be that U-shaped kirsite faucet body meets setting for complicated water channel preferably by the molding casting ontology of gravitational casting Meter requires.The water inner tube 12 of crossing is food-grade polymeric pipe.
Closing film layer 113 is formed on the internal chamber wall 112 of 11 its inner cavity 111 of the kirsite ontology (referring to the office in Fig. 2 Portion amplifier section).Closing film layer 113 is to be attached to the internal chamber wall 112 of inner cavity 111 to realize closing isolation to the internal chamber wall 112 Film layer, which is specifically as follows electrostatic spray layer, that is, it is uniform by electrostatic spraying mode to close film layer 113 Attachment is formed on the internal chamber wall 112 of its inner cavity 111 of kirsite ontology 11.Preferably, closing film layer 113 is organosilicon epoxy tree Lipid layer, organosilicon epoxy resin powder are coated in by electrostatic spraying mode on internal chamber wall 112.Close film layer 113 thickness compared with It controls goodly best in 0.2-0.3mm.
Closing film layer 113 is formed on the internal chamber wall 112 of the kirsite ontology 11, on the one hand, close the innovation of film layer Design, keeps the internal chamber wall 112 of kirsite ontology 11 smooth, crosses 12 poling of water inner tube and is easy, prevents kirsite ontology 11 well Coarse internal chamber wall 112 abrades macromolecule and crosses water macromolecule inner tube 12.It on the other hand, can be true since 112 closure of internal chamber wall is strong Guarantor channel of paddling is precipitated and electroplating process does not pollute plating solution without metal pollutant, and corrosion-resistant, service life is high.Since plating will be through Electrochemical corrosion and metal pollutant plating process are gone through, protects non-plating surface that can reduce unnecessary corrosion by closing film layer It is consumed with metal pollutant, secondly, when the internal chamber wall of kirsite ontology is rough surface state, increases itself and electroplating process The contact area of each class I liquid I and liquid for being easy to accumulate, and accumulate is easy to erode kirsite ontology from the inside to the outside;Therefore, The internal chamber wall 112 of kirsite ontology is become into smooth state from rough surface state by closing film layer, was electroplated to bring Journey does not pollute the advantageous effects such as plating solution, ontology are corrosion-resistant and service life is high.
Preferably, this case cast zinc alloy tap further includes the unleaded copper pipe joint 13 peace whether there is or not lead bronze pipe fitting 13 It was loaded on the water inlet end of water inner tube 12, water inner tube 12 is crossed and unleaded copper pipe joint 13 forms channel of paddling, before guarantee is unleaded It puts and improves pipeline bonding strength.Further more, cast zinc alloy tap further includes having bubbler 14, which was installed on The water outlet of water inner tube 12.
Cast zinc alloy tap of the present invention closes faucet body internal chamber wall using closing film layer, improves kirsite in tide Corrosion resistance under the conditions of wet, then channel of paddling is formed with food-grade polymeric pipe and lead-free reflow, completely cut off metal body completely Influence to underwater gold category pollutant load, meet GB18145-2014 require under the premise of, can further meet NSF61, The requirement of the International Environmental Protections certification such as AB1953 and CUPC.
In addition, the cast zinc alloy tap of the application is molded kirsite faucet body using gravitational casting, meet multiple The design requirement of miscellaneous water channel is novel appearance, at low cost, it can be achieved that all kinds of bending water channel designs, and faucet body can also be achieved surface The diversified feature of processing.Present invention is primarily based on the faucet bodies with special-shaped bending water channel to carry out structure design, such as a allusion quotation The U-shaped kirsite faucet body of bathtub of type, finished product wall thickness 2.0mm.It is limited by this this part shape and structure, using zinc alloy diecasting Can not possibly;According to brass gravitational casting, finished product wall thickness is at least 2.8mm, then casting wall thickness and need to reaching 3.3mm can just protect Card casting yields, casting cost are high.
It is had in the prior art using resin mortar or concrete mortar filling hose (crossing water inner tube) and kirsite sheet Gap between body illustrates that hose can only be fixed, does not have replaceability, once hose occur generates blocking or aging etc. now As that can seep water outward;The technical solution of the application completely avoids the defect.If in addition, with alkalinity concrete mortar fill, Can then corrosiveness be generated to kirsite shell.
Preferably, the innovative design of the closing film layer of this case cast zinc alloy tap, it is corresponding to use a kind of innovation Internal chamber wall corrosion resistant etching technique formed, the technique be kirsite tap after carrying out ball blast blasting treatment and carry out electricity It is carried out before plating, specific process step is as follows:
1) powder is mixed:Dry organosilicon epoxy resin powder is mixed with dry air, after being sufficiently mixed, feeding is dusted Rifle;
2) it dusts:The discharge tube of podwer gun is slowly inserted into the inner cavity of kirsite ontology, and startup is dusted, and discharge tube is along kirsite Chamber body inversely slowly exits, and after discharge tube exits completely, stops dusting;
3) it toasts:The kirsite ontology sprayed is put into baking oven baking, baking completes postcooling and takes out kirsite sheet Body.
Preferably, in the step 1), the concrete operations of mixed powder are:Compressed air is passed through dried-air drier, works as air Aridity obtains dry air when reaching dew points at normal pressure -70~-65 DEG C, by dry organosilicon epoxy resin in powder feeder Powder is mixed with dry air, after being sufficiently mixed, is sent into podwer gun.Wherein, dry organosilicon epoxy resin powder and drying Air mixes, with powder pressure control in 0.3~0.5kgf/cm2;Be sent into podwer gun after being sufficiently mixed, powder feeding pressure control 3~ 4kgf/cm2;Air inlet total gas pressure is not less than 6~8kgf/cm2.Air inlet total gas pressure total gas including with powder air pressure, powder feeding air pressure etc. Pressure, refers specifically to the pressure for entering electrostatic generator by air compressor machine, is assigned as again by corresponding regulating switch by electrostatic generator With powder gas, atomization gas, dust gas etc..In addition, in whole work process, it is preferably ensured that organosilicon epoxy resin powder is extremely The 1/3 of powder supply bucket volume is occupied less, to ensure efficiency of dusting.
Preferably, in the step 2), it is as follows that podwer gun starts dusting operation:HV generator is opened, spray is passed through The high voltage of 60~80kV is added to the front end of podwer gun by gun electrode, and powder is brought on charge, and setting atomization air pressure is 0.1~ 0.3kgf/cm2, will be on the internal chamber wall of powder particle directional spray to kirsite ontology under the collective effect of electrostatic force.Specifically In spraying process, as shown in figure 3,111 one end of inner cavity of kirsite ontology 11 is contacted with the workbench 300 that dusts, dust workbench 300 reliable grounds;The discharge tube of podwer gun 200 from dust workbench 300 not in contact with one end be slowly inserted into kirsite ontology 11 inner cavity 111, startup is dusted, when discharge tube nozzle reaches kirsite ontology 11 and 300 contact jaw of workbench that dusts, discharge tube It is inversely slowly exited along 11 inner cavity of kirsite ontology, after discharge tube exits completely, stops dusting.Under the conditions of this technological parameter, Consider the volume contraction after resin melting solidification, the thickness that dusts should ensure that final film thickness reaches 0.2-0.3mm, when being attached to zinc Powder on alloy bulk 11 is blocked up, and electrostatic repulsion will occur, and follow-up powder will be unable to be adsorbed to sprayed surface again, so as to Ensure to obtain homogeneous film thickness.It is further noted that the process of dusting must dress rubber gloves operation, electrostatic fiber crops hand or line are prevented Gloves silk thread falls in recycling powder and blocks spray gun.
In the step 2), powder recycling is preferably also carried out, specially:Extra powder is under the action of air blowing force It is adsorbed to pulse cartridge surface, compressed air will be adsorbed in filter core table under the collective effect of pulse control instrument and solenoid valve The powder in face, which shakes, falls on powder spraying chamber bottom, convenient for recycling cleaning.Specifically, as shown in figure 4, the top of powder spraying chamber 73 is equipped with pumping Wind turbine 71 and filter core 72, filter core 72 are connected by solenoid valve with exhaust fan 71, are additionally provided in the bottom of powder spraying chamber 73 mobilizable Bottom connects powder bucket 74.After lower switch, solenoid valve cuts off the interface channel between exhaust fan 71 and filter core 72, opens simultaneously compression The powder for being adsorbed in 72 surface of filter core is shaken to fall on and be dusted by the connection of air storage tank and filter core 72, abrupt release bulk gas Room bottom carries out centralized recovery to bottom by 73 bottom angled face of powder spraying chamber and connects powder bucket 74, and bottom, which is finally connect powder bucket 74, takes out Go out, you can recycle powder therein.
It is preferred that in the step 3), the kirsite ontology after spraying is good must be put into baking oven in 2 hours, when with minister of defense Between electrostatic disappear and generate picking;It is 180-220 DEG C that baking temperature, which is arranged, with stove after keeping the temperature 0.5 hour after arrival set temperature It is air-cooled, take out kirsite ontology.In baking process, polymeric coating layer first melts, solidifies again, therefore need to be true according to shape of product Fixed suitable modes of emplacement, to ensure baking process coating melt uniform fold on workpiece lumen wall.
After this process, the internal chamber wall of kirsite ontology will be formed the internal chamber wall of cast zinc alloy tap of the present invention One uniform thickness is the closing film layer of 0.2-0.3mm and strong adhesive force, and the metal pollutant that can effectively resist in ontology is precipitated. At this point, the internal chamber wall of kirsite ontology is smooth, poling is easy, and kirsite body outer surface electroplating process does not pollute or remain plating Liquid, effectively improves the corrosion resistance of zinc tap non-electrical surfacing, and service life is high.Certainly the thickness of the described closing film layer can be according to need It to be adjusted with technological parameter.
The foregoing is merely the preferred embodiment of the present invention, all equivalent changes done with scope of the invention as claimed and Modification, should all belong to the range of the claims in the present invention.

Claims (7)

1. a kind of cast zinc alloy tap that no metal pollutant is precipitated, it is characterised in that:Including kirsite ontology and cross water Inner tube crosses the interior intracavitary that water inner tube is set in kirsite ontology;It is formed with closing film layer on its internal chamber wall of the kirsite ontology.
2. the cast zinc alloy tap that a kind of no metal pollutant as described in claim 1 is precipitated, it is characterised in that:It is described Closing film layer is electrostatic spray layer, and closing film layer uniformly adheres to the internal chamber wall for being formed in kirsite ontology by electrostatic spraying mode On.
3. the cast zinc alloy tap that a kind of no metal pollutant as claimed in claim 1 or 2 is precipitated, it is characterised in that: The closing film layer is organosilicon epoxy resin layer.
4. the cast zinc alloy tap that a kind of no metal pollutant as described in claim 1 is precipitated, it is characterised in that:It is described The thickness for closing film layer is 0.2-0.3mm.
5. the cast zinc alloy tap that a kind of no metal pollutant as described in claim 1 is precipitated, it is characterised in that:It is described Cast zinc alloy tap further includes whether there is or not lead bronze pipe fitting, which was installed on the water inlet end of water inner tube.
6. the cast zinc alloy tap that a kind of no metal pollutant as described in claim 1 is precipitated, it is characterised in that:It is described Cast zinc alloy tap further includes having bubbler, which was installed on the water outlet of water inner tube.
7. the cast zinc alloy tap that a kind of no metal pollutant as described in claim 1 is precipitated, it is characterised in that:It is described Kirsite ontology is U-shaped ontology, and the water inner tube of crossing is food-grade polymeric pipe.
CN201810537030.4A 2018-05-29 2018-05-29 A kind of cast zinc alloy tap that no metal pollutant is precipitated Pending CN108571611A (en)

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Publication number Priority date Publication date Assignee Title
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CN103611641A (en) * 2013-09-02 2014-03-05 邵阳市金明建材科技有限公司 Spraying equipment of inner wall of zinc steel pipe for guardrail fence
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CN103611641A (en) * 2013-09-02 2014-03-05 邵阳市金明建材科技有限公司 Spraying equipment of inner wall of zinc steel pipe for guardrail fence
CN103934174A (en) * 2014-03-07 2014-07-23 陈应龙 Bathroom hardware surface processing method
CN105650321A (en) * 2016-04-11 2016-06-08 黄振波 Improved split faucet
CN105927802A (en) * 2016-06-24 2016-09-07 广州市华粤管业有限公司 Inside-outside plastic-coated steel pipe and manufacturing process thereof
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