CN100422388C - Process and device for casting multi-path copper connection pipe - Google Patents
Process and device for casting multi-path copper connection pipe Download PDFInfo
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- CN100422388C CN100422388C CNB2004100177934A CN200410017793A CN100422388C CN 100422388 C CN100422388 C CN 100422388C CN B2004100177934 A CNB2004100177934 A CN B2004100177934A CN 200410017793 A CN200410017793 A CN 200410017793A CN 100422388 C CN100422388 C CN 100422388C
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- tank
- electroforming
- sedimentation tank
- pipe connecting
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Abstract
The present invention belongs to and relates to a seamless process and equipment for casting multi-path special-shaped copper connection pipes in refrigeration and water heating systems. The casting process comprises the steps of core mould manufacture, electroforming solution preparation, electroforming, core mould elimination and finish machining. The electroforming equipment for multi-path copper connection pipes of the present invention comprises an electroforming tank, an anode and a cathode which are positioned in the electroforming tank, and a power supply providing the anode and the cathode with direct current. The electroforming equipment for multi-path copper connection pipes is characterized in that the electroforming tank comprises a liquid storage tank, a filter pump and a depositing tank which are mutually communicated, and a lifting and lowering mechanism which is positioned above the depositing tank and used for controlling a core mould to move upwards and downwards, wherein the lifting and lowering mechanism is provided with a conductive rod connected with a cathode of the power supply. Products which are obtained by the process and the electroforming equipment of the present invention have the advantages of no welding scars, high inner and outer surface smoothness, shake resistance, pressure resistance, high gas tightness, one-step forming of product fabrication, material saving, high production speed, low coat, requirement satisfaction for different systems and users, and wide purposes.
Description
[technical field]
The present invention relates to a kind of metal casting machine, particularly relate to a kind of refrigeration, the no weld seam casting equipment of the special-shaped pipe connecting of the multi-path copper matter in the water heating system.
[background technology]
Characteristics such as at present, how logical type pipe connecting is widely used in the systems such as refrigeration, hot-water heating circulation, is important spare part indispensable in these systems, and this series products has usually: description is many, and the quantity demand is big, and is complex-shaped, and difficulty of processing is big.And existing many logical type pipe connectings all utilize traditional machining process such as cutting, boring, welding to produce realization, complete processing complexity not only, often will through repeatedly cut, boring, reaming, welding, production efficiency is low, the cost height, and the product that is processed into is owing to exist the weld seam crator, so its antidetonation, crushing resistance, resistance to air loss are poor, easily produce leakage phenomenon.For complex-shaped, the pipe connecting that particularly cavity shape complexity and caliber are little, tube wall is thin just is difficult to reach design requirements with traditional mechanical workout.
[summary of the invention]
The objective of the invention is to overcome the defective that prior art exists, provide a kind of good product performance, production rate is fast, cost is low, technology is easy, especially is fit to baroque multi-path copper pipe connecting electroforming apparatus.
The present invention is achieved in that
A kind of multi-path copper pipe connecting electroforming apparatus, the anode, negative electrode and the counter electrode that comprise electrotyping bath, are positioned at electrotyping bath provide galvanic power supply, it is characterized in that described electrotyping bath comprises stationary tank, filtration pump and the sedimentation tank that is interconnected, and being used to control the hoisting appliance that core moves up and down above being positioned at sedimentation tank, described hoisting appliance is provided with the current conducting rod that links to each other with the negative pole of power supply.Stationary tank is divided into Lower tank and header tank, wherein the Lower tank volume is suitable with the sedimentation tank volume, the header tank volume is more than 30% of Lower tank volume, the filtration pump conduit is connected between the groove of high and low position, be used for the electroforming solution contaminant filter and provide propulsion source for electroforming solution flows, this design has taken into full account that electroforming solution has good flowability in the groove under the situation that guarantees composition, is convenient to realize that electroforming solution is longer recycles.The outlet of header tank and the import of Lower tank are connected by conduit line with inlet control valve, the discharge control valve of sedimentation tank respectively, and control valve has under meter.Under meter is provided with the flow velocity that cooperates the control valve effect to be used for electroforming solution in the control flume, guarantees the sedimentary effect of copper layer.Here the cell body of band rib in sedimentation tank adopts, the rib level places in the middle of the cell body, it only has an end to link to each other with cell body, cell body is separated into two continuous chambers, cell body inner side-wall and rib two side are provided with the current conducting rod of switching on and link to each other as the anodic phosphorus copper plate, this structure of sedimentation tank makes the anodic phosphorous copper plate that more active area be arranged, and guarantees that simultaneously electroforming solution has good mobility.During electroforming, in electroforming solution, move up and down, can strengthen the cathodic polarization of electroforming solution effectively as the core of negative electrode, improve the cathode current density upper limit, make the settled layer crystallization careful, tight, can enhance productivity greatly, guarantee every performance index of copper pipe connecting simultaneously.For to the protection of equipment itself and the consideration that ensures product performance, the stationary tank in aforesaid device, sedimentation tank cell body all adopt the lined with PVC plate structure in addition, and conduit also is a utilization PVC rider.The present invention also can reach the purpose of producing more products simultaneously as required with organizing sedimentation tank more and connecing use when actual production, improve working (machining) efficiency.
Hoisting appliance in the present device comprises support, reducing motor, is subjected to the linkage assembly of reducing motor traction and the motion bar that is connected with the linkage assembly take-off lever, described motion bar is positioned at the support top and links to each other with support by the axis of rolling, motion bar is provided with the cross bar more than one or, and the cross bar two ends are provided with hook and current conducting rod.Wherein reducing motor is a propulsion source, the core of current conducting rod during for electroforming provides the power supply support, and other linkage assembly, motion bar, the axis of rolling, cross bar and hook are the transmission rig that the core lifting realizes, linkage assembly is for can control the devices such as cam link mechanism that motion bar rotates in the certain radian scope.During concrete work, the core that makes is hung on the hook, core well is connected all the time with current conducting rod, start motor, the motor effect makes linkage assembly work drive the motion bar motion and then realizes beam movement, because motion bar links to each other with fixed support by the axis of rolling and the characteristic of reducing motor effect, can realize conveniently that motion bar is controlled in the certain radian scope and rotate on support, and then realize swinging up and down of corresponding cross bar, cross bar swing up and down moving up and down of core when just having realized electroforming by the hook effect.
The present invention compared with prior art has following advantage: 1) product is the whole pipe fitting that does not have crator, its inside and outside surface smoothness height, and antidetonation, crushing resistance, resistance to air loss are all higher; 2) product processing once shaped, materials are economized, and production rate is fast, cost is low; 3) can satisfy different system and user's needs according to the pipe connecting of the various complexity of die casting, of many uses.
[description of drawings]
Fig. 1 is a process flow diagram of the present invention.
Fig. 2 is the structural representation block diagram of electroforming apparatus of the present invention.
Fig. 3 is the synoptic diagram of sedimentation tank of the present invention.
Fig. 4 is a sedimentation tank schematic cross-section of the present invention.
Fig. 5 is the synoptic diagram of the embodiment of the invention 2 sedimentation tanks.
Fig. 6 is the structural representation of hoisting appliance of the present invention.
Shown in the figure: 2, filtration pump 3, sedimentation tank 4, hoisting appliance 5, inlet control valve 6, discharge control valve 7, rib 8, phosphorus copper plate 11, header tank 12, Lower tank 41, support 42, reducing motor 43, linkage assembly 44, motion bar 45, the axis of rolling 46, cross bar 47, hook
[embodiment]
The invention will be further described below in conjunction with accompanying drawing:
Embodiment 1: shown in Fig. 2,3,4,6, it includes header tank 11, Lower tank 12, filtration pump 2 and the sedimentation tank 3 that is communicated with the PVC conduit multi-path copper pipe connecting electroforming apparatus, wherein Lower tank 12 volumes are suitable with sedimentation tank 3 volumes, header tank 11 volumes are Lower tank 12 volumetrical about 30%, filtration pump 2 is used for the impurity of filtration cycle mobile electroforming solution and provides power for it between high Lower tank.Sedimentation tank is the cell body of single interior band rib 7, and cell body is the lined with PVC structure, makes the phosphorus copper plate 8 that anode uses when its inner side-wall and rib two side are provided with energising work, and described phosphorus copper plate is for containing the Cu amount more than 99.9%, phosphorous 0.04-0.06%.The sedimentation tank fluid inlet and outlet is provided with by-pass valve control and is furnished with under meter, when being used to produce electroforming solution flow, flow velocity is regulated accurately.The sedimentation tank top is provided with and is used to control the hoisting appliance that core moves up and down, this hoisting appliance comprises support 41, reducing motor 42, is subjected to the linkage assembly 43 of reducing motor traction and the motion bar 44 that is connected with the linkage assembly take-off lever, motion bar 44 is positioned at support 41 tops and links to each other with support 41 by the axis of rolling 45, motion bar is provided with many cross bars 46, per two cross bars link to each other by middleware, hook 47 and be articulated on the above-mentioned middleware with the current conducting rod that lead links to each other with power supply.
When utilization aforesaid device carries out the casting of multi-path copper pipe connecting, according to technical process shown in Figure 1, at first according to the mould of having developed, melt liquid with tin, lead, bismuth, cadmium mixing material is poured the core of casting in the mould into, and its weight ratio is that 100 parts tin, 60 parts lead, 30 parts bismuth, 12 parts cadmium pour in the mould after 200 ℃ of-280 ℃ of heat fused.Secondly with CuSO
45H
2Dissolve in the ratio input water of O with 200g/l, then stir the dense H that adds about 70 grams
2SO
4(98%), set aside for use requires the additive lysate in proportion to be blended in the stand-by electrolytic solution again and makes electroforming solution; Next, the electroforming solution temperature be controlled at place between 20 ℃-30 ℃ among high Lower tank, filtration pump and the sedimentation tank, make its with 35L/min (rise/minute about speed circulate.The core that makes is articulated on the hook of aforesaid device, guarantees that current conducting rod is connected with core.After finishing above-mentioned preparation, can carry out electroforming process, make the energising of phosphorus copper plate and core, core electrical current density is controlled at 10A/dm
2, start reducing motor, move up and down with the speed of 20 times/min in electroforming solution by hoisting appliance control core, the about 7cm of moving interval carries out electroforming, copper layer.This process is the key of whole technology, need be to the configuration of the comprehensive adjustment of various parameters, generally copper layer sedimentation velocity is controlled at 0.2m/h (millimeter/hour), and all better to guarantee the every performance of pipe connecting that electroforming obtains.After finishing electroforming, take off profiled member from hook, the high temperature with 200 ℃-280 ℃ in baking oven heats it, utilizes the copper fusing point different with core that core is melted, and the core material of gained returns and can repeat to put the core use.At last, the inside and outside surface of the pipe connecting of moulding is polished etc. get product after conventional precision work is handled.
Embodiment 2: shown in Fig. 2,4,5,6, the sedimentation tank 3 that the difference of present embodiment and embodiment 1 is electroforming apparatus is by a plurality of sedimentation tanks and connect and form, hoisting appliance 4 quantity of corresponding sedimentation tank top also increase, electroforming solution imports a total PVC conduit at the import and export of each sedimentation tank, and high Lower tank 11,12 is communicated with this common excretory duct.Adopt the electroforming apparatus of this structure, more compact structure, be suitable for large batch of production, therefore can further improve production efficiency, reduce production costs.
Use technology of the present invention and electroforming apparatus, product does not have crator, and its surfaces externally and internally is highly polished, antidetonation, crushing resistance, and the resistance to air loss height, product processing once shaped, materials are economized, and production rate is fast, the low needs that satisfy different system and user of cost, and is of many uses.
Claims (5)
1. multi-path copper pipe connecting electroforming apparatus, the anode, negative electrode and the counter electrode that comprise electrotyping bath, are positioned at electrotyping bath provide galvanic power supply, it is characterized in that described electrotyping bath comprises stationary tank, filtration pump (2) and the sedimentation tank (3) that is interconnected, and be positioned at sedimentation tank top and be used to control the hoisting appliance (4) that core moves up and down, described hoisting appliance is provided with the current conducting rod that links to each other with the negative pole of power supply;
Described stationary tank comprises Lower tank (12) and header tank (11), and filtration pump connects therebetween by pipeline, and the outlet of header tank and the import of Lower tank are connected with inlet control valve (5), discharge control valve (6) pipeline of sedimentation tank respectively.
2. multi-path copper pipe connecting electroforming apparatus according to claim 1 is characterized in that described sedimentation tank is the cell body of interior band rib (7), and cell body inner side-wall and rib are provided with current conducting rod, and current conducting rod is connected with phosphorus copper plate (8).
3. multi-path copper pipe connecting electroforming apparatus according to claim 1 is characterized in that described sedimentation tank is a group or more, and its control valve includes under meter.
4. multi-path copper pipe connecting electroforming apparatus according to claim 1, it is characterized in that described hoisting appliance (4) comprises support (41), reducing motor (42), is subjected to the linkage assembly (43) of reducing motor traction and the motion bar (44) that is connected with the linkage assembly take-off lever, described motion bar is positioned at the support top and links to each other with support (41) by the axis of rolling (45), motion bar is provided with the cross bar (46) more than one or, and the cross bar two ends are provided with hook (47) and current conducting rod.
5. multi-path copper pipe connecting electroforming apparatus according to claim 1 is characterized in that described stationary tank, sedimentation tank adopt the lined with PVC softpanel structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100177934A CN100422388C (en) | 2004-04-18 | 2004-04-18 | Process and device for casting multi-path copper connection pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100177934A CN100422388C (en) | 2004-04-18 | 2004-04-18 | Process and device for casting multi-path copper connection pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1683598A CN1683598A (en) | 2005-10-19 |
| CN100422388C true CN100422388C (en) | 2008-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100177934A Expired - Fee Related CN100422388C (en) | 2004-04-18 | 2004-04-18 | Process and device for casting multi-path copper connection pipe |
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| CN (1) | CN100422388C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359065B (en) * | 2019-08-19 | 2021-02-19 | 河南理工大学 | Jet electrodeposition nozzle and method for manufacturing seamless metal pipe by using same |
| CN110983385B (en) * | 2019-12-26 | 2021-06-01 | 广东松博纳米合金管材有限公司 | Machining device capable of continuously producing electroformed pipe |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5877587A (en) * | 1981-10-29 | 1983-05-10 | Kubota Ltd | Manufacture of metal mold for molding of consumable casting pattern |
| CN86106568A (en) * | 1986-10-08 | 1987-04-22 | 孙启旺 | The method of forming of housing artwork |
| JPS6483683A (en) * | 1987-09-25 | 1989-03-29 | Toshiba Corp | Production of cylindrical part by electrocasting |
| CN2085293U (en) * | 1991-04-05 | 1991-09-25 | 北京市印刷技术研究所 | Electric casting device |
| CN2174482Y (en) * | 1993-09-25 | 1994-08-17 | 杭州桐庐电铸技术研究所 | Electromoulding tank |
| CN1138636A (en) * | 1995-06-16 | 1996-12-25 | 石永国 | One-step moulding process for shaped multiway copper connecting tube without welding seam |
| CN1145994A (en) * | 1995-09-21 | 1997-03-26 | 曾胜 | Production process of special multi-ported copper pipe |
| CN1477235A (en) * | 2002-08-19 | 2004-02-25 | 林子钧 | Method for making radiator fin |
-
2004
- 2004-04-18 CN CNB2004100177934A patent/CN100422388C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5877587A (en) * | 1981-10-29 | 1983-05-10 | Kubota Ltd | Manufacture of metal mold for molding of consumable casting pattern |
| CN86106568A (en) * | 1986-10-08 | 1987-04-22 | 孙启旺 | The method of forming of housing artwork |
| JPS6483683A (en) * | 1987-09-25 | 1989-03-29 | Toshiba Corp | Production of cylindrical part by electrocasting |
| CN2085293U (en) * | 1991-04-05 | 1991-09-25 | 北京市印刷技术研究所 | Electric casting device |
| CN2174482Y (en) * | 1993-09-25 | 1994-08-17 | 杭州桐庐电铸技术研究所 | Electromoulding tank |
| CN1138636A (en) * | 1995-06-16 | 1996-12-25 | 石永国 | One-step moulding process for shaped multiway copper connecting tube without welding seam |
| CN1145994A (en) * | 1995-09-21 | 1997-03-26 | 曾胜 | Production process of special multi-ported copper pipe |
| CN1477235A (en) * | 2002-08-19 | 2004-02-25 | 林子钧 | Method for making radiator fin |
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| Publication number | Publication date |
|---|---|
| CN1683598A (en) | 2005-10-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20100418 |