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CN106367797B - For the foreign-plated Work piece sealing construction of engine cylinder body slot - Google Patents

For the foreign-plated Work piece sealing construction of engine cylinder body slot Download PDF

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Publication number
CN106367797B
CN106367797B CN201610768066.4A CN201610768066A CN106367797B CN 106367797 B CN106367797 B CN 106367797B CN 201610768066 A CN201610768066 A CN 201610768066A CN 106367797 B CN106367797 B CN 106367797B
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CN
China
Prior art keywords
workpiece
cylinder body
syrup
face
transition rings
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CN201610768066.4A
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Chinese (zh)
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CN106367797A (en
Inventor
刘智勇
聂进
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Nanjing longni Pml Precision Mechanism Ltd
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Nanjing Longni Pml Precision Mechanism Ltd
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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/004Sealing devices

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

The invention discloses a kind of Work piece sealing constructions foreign-plated for engine cylinder body slot, and including work rest and workpiece, at least one axial end face of the workpiece is coated with syrup material and is in an axial direction compressed workpiece in an axial direction by the work rest;The present invention forms the sealing of cylinder body axial end face by disclosure satisfy that the syrup material of the viscosity of sealing effect;In electroplating process there is preferable sealing effect, ensure being normally carried out for electroplating technology, meanwhile, it is readily cleaned after plating, improves working efficiency;In electroplating process and the later stage, conducive to the environmental protection of ambient enviroment is ensured, the problem of eliminating the environmental pollution caused by the materials such as fluid sealant, reduce working efficiency and influence electroplating quality.

Description

For the foreign-plated Work piece sealing construction of engine cylinder body slot
Technical field
The present invention relates to a kind of engine cylinder body electro plating device components, the more particularly to radial seal for intracavitary plating Construction.
Background technology
Inner surface of cylinder block is electroplated, and is carried out by the way of electroplate liquid cycle;In electroplate liquid cyclic process, flow through in cylinder body Surface forms plating environment;At this point, when then requiring the installation of cylinder body, radial leakage does not occur for end face, and no it will cause electroplate liquids Waste, the problems such as influencing electroplating quality and causing environmental pollution.In the prior art, for cylinder body, to ensure workpiece Integrality will not open seal groove on end face, will not have other sealing to process;In practice, it can smear and seal in end face Glue etc. forms sealing after overlapping;But the seal approach such as fluid sealant should not be removed after the completion of workpiece plating, it is necessary to clear by hand Complete finished product could be formed by washing, and reduce working efficiency, and influence product quality.
Therefore, it is necessary to be improved to the sealing structure in existing cylinder body electroplating process, cylinder body dynamic can be suitable for Electroplating technology has preferable sealing effect in electroplating process, and is readily cleaned, and improves working efficiency, ensures product quality.
Invention content
In view of this, the object of the present invention is to provide a kind of Work piece sealings foreign-plated for engine cylinder body slot to construct, Intracavitary flowing electroplating technology can be generally applicable to, in electroplating process there is preferable sealing effect, and be readily cleaned, improve Working efficiency ensures product quality.
The Work piece sealing construction foreign-plated for engine cylinder body slot of the present invention, including work rest and workpiece, the work At least one axial end face of part is coated with syrup material and is in an axial direction compressed workpiece in an axial direction by the work rest;What workpiece referred to It is engine cylinder body, in use, engine cylinder body is compressed and forms fixation by work rest, is placed in plating environment, and by electricity Plating solution forms plating after flowing through, and details are not described herein;The axial end face of cylinder body and other end faces (including compressing member, other workpiece End face) between sealing use syrup material;The material is soluble easily in water, and hot water directly cleaning is soaked in after the completion of plating i.e. Can, simple for process, working efficiency is high;Syrup material by syrup for main component and added with it is made to carry highly viscous ingredient and Into viscosity, which generally requires, is unlikely to flowing;At least one axial end face is referred between cylinder body and fixture, multiple cylinder bodies are same When cylinder body and cylinder body when being superimposed between end face, it is at least one to be sealed using syrup material.
Further, the axial both ends of the workpiece are respectively equipped with conductive transition rings, and the work rest will by transition rings Workpiece axial compression, the transition rings internal diameter are less than the internal diameter that workpiece is located at axial end face;The patch of the transition rings and workpiece It closes end face and forms radial seal;The internal diameter of transition rings is less than the internal diameter of workpiece axial end face, forms prominent structure, is then being electroplated It is easy to grow extra plating burr in the process, the wedge angle of the end face of cylinder body is enable to hide, the inner circle of cylinder body is avoided to be located at axis Plating burr is grown to endface, so as to ensure the electroplating quality of cylinder body.
Further, the workpiece is be axially formed superposition at least two, the end face being bonded in an axial direction between workpiece It is coated with syrup material and compresses in an axial direction and form sealing, between cylinder body;Cylinder body is superimposed the raising work that multiple plating then can be larger Make efficiency, reduce electroplating cost;In use, the end face between cylinder body is then the keypoint part of sealing;As shown in the figure, when using two During the structure that a cylinder body is electroplated simultaneously, then two cylinder bodies are then using arrangement head to head, then so that the big end of cylinder head end Face is opposite to be pushed against, and syrup material is coated on the end face, and preferable sealing is formed after squeezing overlapping.
Further, the syrup material is mixed by syrup and pectin, and syrup is readily flowed, then can by adding pectin Its viscosity is improved, increases sealing performance;Pectin is a kind of natural polymer, has good gelling, is ensured The viscosity of syrup improves, and is easy to seal, and environmentally friendly and reliable.
Further, the syrup material includes by weight:
Syrup 5-40
Pectin 1.
The proportioning of the ratio can be used in Sealing period and sealing effect needed for plating cylinder body.
Further, the syrup material includes by weight:
Syrup 20
Pectin 1.
The syrup material that this ratio matches out can realize preferable sealing, and clean easily, avoid excessively high pectin Cleaning difficulty caused by content increases, simultaneously, it is ensured that has preferable sealing effect in electroplating process.
Further, the syrup includes one of glucose syrup, honey or fructose syrup or at least mixture of the two;Easily In obtain and cost it is not high.
Further, at least two workpiece is superimposed along the vertical direction, and work rest includes pedestal, column and top board, institute It states column and is fixed on pedestal, top board is installed on column and passes through column and form downward pressure is pressed in pedestal by workpiece, institute It states transition rings and includes superposed upper transition rings and the lower transition rings positioned at lower part;As shown in the figure, two cylinder bodies are head to head folded Add, tail portion contacts and is compacted with work rest, and syrup material is located at the opposite end face of cylinder head;Upper transition rings and lower transition rings Ensure that the cylinder body on top and the cylinder body of lower part do not grow plating burr respectively.
Further, the top board is equipped with an annular cover plate and passes through the upper end that the annular cover plate is pressed on the top workpiece Face, and annular cover plate is equipped with the structure conformal with workpiece upper surface, the upper transition rings are located at radially inner position and interior Circle is inwardly projecting in work piece inner surface;Positioned at the lowermost workpiece pedestal is pressed on by lower transition rings;As shown in the figure, annular cover plate It is formed and is located at the lower face of the ring-shaped step with the conformal inside ring-shaped step in workpiece upper surface (tail portion), upper transition rings Between the upper surface of the workpiece on top, the lower face of annular cover plate is then pressed in the upper surface of the heavy platform structure of the cylinder body on top, Ensure the stability compressed.
Further, the upper transition rings and lower transition rings are respectively formed inside wedge angle, which can be effectively formed plating Concentrating structure, form burr vitellarium, the burr that cylinder body is electroplated avoided to generate;The wedge angle can be upper transition rings and lower mistake Transition between ring end face itself and inner headed face is crossed to be formed or individually process formation;The pedestal is determined equipped with upward Position pin, the lowermost workpiece lower face are equipped with the dowel hole with the detent fit.
Beneficial effects of the present invention:The Work piece sealing construction foreign-plated for engine cylinder body slot of the present invention, passes through energy Enough meet the syrup material of the viscosity of sealing effect, form the sealing of cylinder body axial end face;Have in electroplating process preferable Sealing effect ensures being normally carried out for electroplating technology, meanwhile, it is readily cleaned after plating, improves working efficiency;In electroplating process In and the later stage, conducive to the environmental protection of ambient enviroment is ensured, eliminate the environmental pollution caused by the materials such as fluid sealant, reduce work effect The problem of rate and influence electroplating quality.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is mounting structure schematic diagram of the present invention;
Fig. 2 is enlarged drawing at Figure 1A;
Enlarged drawing at Fig. 3 bitmaps 1B.
Specific embodiment
Fig. 1 is mounting structure schematic diagram of the present invention, and Fig. 2 is enlarged drawing at Figure 1A, enlarged drawing at Fig. 3 bitmaps 1B;Shown in figure: The Work piece sealing construction foreign-plated for engine cylinder body slot of the present embodiment, including work rest and workpiece, the workpiece is extremely A few axial end face is coated with syrup material and is in an axial direction compressed workpiece in an axial direction by the work rest;Workpiece refers to starting Machine cylinder body in use, engine cylinder body is compressed and forms fixation by work rest, is placed in plating environment, and by plating liquid stream Plating is formed after, details are not described herein;The axial end face of cylinder body and other end faces (including compressing member, the end face of other workpiece) Between sealing use syrup material;The material is soluble easily in water, and hot water is soaked in after the completion of plating and is directly cleaned, technique letter Single, working efficiency is high;Syrup material is formed by syrup for main component and added with it is made to carry highly viscous ingredient, and viscosity is general It needs to be unlikely to flowing;When at least one axial end face refers between cylinder body and fixture, multiple cylinder bodies are superimposed simultaneously End face between cylinder body and cylinder body, at least one end face syrup material are sealed;The condition for forming sealing is that syrup material needs There is certain viscosity, for the present invention, the viscosity of syrup material causes syrup material not have fluid properties, i.e., not The dope of flowing.
In the present embodiment, the axial both ends of the workpiece are respectively equipped with conductive transition rings, and the work rest passes through transition Workpiece axial compression, the transition rings internal diameter are less than the internal diameter that workpiece is located at axial end face by ring;The transition rings and workpiece Fitting end face formed radial seal;The internal diameter of transition rings is less than the internal diameter of workpiece axial end face, forms prominent structure, then exists It is easy to grow extra plating burr in electroplating process, the wedge angle of the end face of cylinder body is enable to hide, avoids the inner circle position of cylinder body The growth plating burr at axial end face, so as to ensure the electroplating quality of cylinder body.
In the present embodiment, the workpiece is be axially formed superposition at least two, being bonded in an axial direction between workpiece End face, which is coated with syrup material and compresses in an axial direction, forms sealing, between cylinder body;Cylinder body superposition it is multiple plating then can be larger carry High working efficiency reduces electroplating cost;In use, the end face between cylinder body is then the keypoint part of sealing;As shown in the figure, this reality Example is applied using two workpiece 6,8, when the structure being electroplated simultaneously using two cylinder bodies, then two cylinder bodies are then using cloth head to head Put structure, then so that the large end face of cylinder head end is opposite pushes against, syrup material be coated on the end face, squeeze formed after overlapping compared with Good sealing.
In the present embodiment, the syrup material is mixed by syrup and pectin, and syrup is readily flowed, by adding pectin Its viscosity can be then improved, increases sealing performance;Pectin is a kind of natural polymer, has good gelling, Ensure that the viscosity of syrup improves, be easy to seal, and environmentally friendly and reliable.
In the present embodiment, the syrup material includes by weight:
Syrup 5-40
Pectin 1.
The proportioning of the ratio can be used in Sealing period and sealing effect needed for plating cylinder body.
In the present embodiment, the syrup material includes by weight:
Syrup 20
Pectin 1.
The syrup material that this ratio matches out can realize preferable sealing, and clean easily, avoid excessively high pectin Cleaning difficulty caused by content increases, simultaneously, it is ensured that has preferable sealing effect in electroplating process.
In the present embodiment, the syrup includes one of glucose syrup, honey or fructose syrup or at least mixing of the two Object;It is easily obtained and cost is not high.
In the present embodiment, at least two workpiece is superimposed along the vertical direction, and work rest includes pedestal 1, column 3 and upper pressure Plate 5, the column 3 are fixed on pedestal 1, and top board 5 is installed on column 3 (detachable or opening and closing type) and passes through column 3 It forms downward pressure and workpiece 6,8 is pressed in pedestal, the transition rings include superposed upper transition rings 9 and positioned at lower part Lower transition rings 10;As shown in the figure, the present embodiment is two workpiece 6,8, two cylinder bodies are head to head superimposed, tail portion and workpiece bridge joint It touches and is compacted, syrup material is located at the opposite end face 7 of cylinder head;Upper transition rings 9 and lower transition rings 10 ensure top respectively Cylinder body and the cylinder body of lower part do not grow plating burr.
In the present embodiment, the top board 5, which is equipped with an annular cover plate 4 and passes through the annular cover plate 4, is pressed on the top work The upper surface of part 6, and annular cover plate 4 is equipped with the structure conformal with 6 upper surface of workpiece, the upper transition rings 9, which are located at, radially to be leaned on Interior position and inner circle is inwardly projecting in 6 inner surface of workpiece;Positioned at the lowermost workpiece 8 pedestal is pressed on by lower transition rings 10; It ascends the throne as shown in the figure, annular cover plate 4 is formed with the conformal inside ring-shaped step in 6 upper surface of workpiece (tail portion), upper transition rings 9 Between the lower face of the ring-shaped step and the upper surface of the workpiece on top, the lower face of annular cover plate is then pressed in the cylinder body on top Heavy platform structure upper surface, ensure compress stability;Conformal to refer to that shape is adapted, details are not described herein.
In the present embodiment, the upper transition rings 9 and lower transition rings 10 are respectively formed inside wedge angle, wedge angle 91 shown in figure With wedge angle 101;The wedge angle 91,101 can be effectively formed the concentrating structure of plating, form burr vitellarium, cylinder body is avoided to be electroplated Burr generate;The wedge angle can be that transition is formed between upper transition rings and lower transition rings end face itself and inner headed face, also may be used To be that independent processing is formed;The pedestal is equipped with upward positioning pin, and the lowermost workpiece lower face is equipped with and the positioning pin The dowel hole of cooperation;In the present embodiment, positioning pin at least two, suitable for the positioning of workpiece, to ensure the coaxial of workpiece Degree, so as to ensure the sealed reliable of sealing surface;As shown in the figure, the axial both ends of upper transition rings 9 and lower transition rings 10 pass through o types Circle is sealed, and has preferable sealing reliability.
During plating, the present invention is carried out using the syrup material of different ratio, specific as follows:
Embodiment one
In the present embodiment, the syrup uses glucose syrup, and combined material includes by weight:
Syrup 5
Pectin 1;
The syrup viscosity of material of formation is larger, and sealing effect is preferable, and any leakage does not occur in electroplating process, clear after plating It is slightly larger to wash difficulty;Glucose syrup is replaced with into honey or fructose syrup, effect is similar.
Embodiment two
In the present embodiment, the syrup uses honey, and combined material includes by weight:
Syrup 20
Pectin 1;
The syrup viscosity of material of formation is smaller than embodiment, and sealing effect can reach zero leakage requirement, not have in electroplating process Any leakage occurs, it is easy to be cleaned after plating;Honey is replaced with into glucose syrup or fructose syrup, effect is similar.
Embodiment two
In the present embodiment, the syrup uses fructose syrup, and combined material includes by weight:
Syrup 40
Pectin 1;
The syrup viscosity of material of formation is minimum, does not have fluid properties, sealing effect can meet plating requirement, although electric Any leakage does not occur, but persistence is slightly worse during plating, cleaned after plating the most easily;Fructose syrup is replaced with into glucose Slurry or honey, effect are similar.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with The present invention is described in detail in good embodiment, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this In the right of invention.

Claims (9)

1. a kind of Work piece sealing construction foreign-plated for engine cylinder body slot, it is characterised in that:Including work rest and workpiece, institute At least one axial end face for stating workpiece is coated with syrup material and is in an axial direction compressed workpiece in an axial direction by the work rest;It is described Syrup material is mixed by syrup and pectin.
2. the Work piece sealing construction foreign-plated for engine cylinder body slot according to claim 1, it is characterised in that:It is described The axial both ends of workpiece are respectively equipped with conductive transition rings, and the work rest is by transition rings by workpiece axial compression, the mistake Cross the internal diameter that ring internal diameter is located at less than workpiece at axial end face;The transition rings form radial seal with the end face that is bonded of workpiece.
3. the Work piece sealing construction foreign-plated for engine cylinder body slot according to claim 2, it is characterised in that:It is described Workpiece is be axially formed superposition at least two, and the end face being bonded in an axial direction between workpiece is coated with syrup material and in an axial direction It compresses and forms sealing.
4. the Work piece sealing construction foreign-plated for engine cylinder body slot according to claim 1, it is characterised in that:It is described Syrup material includes by weight:
Syrup 5-40
Pectin 1.
5. the Work piece sealing construction foreign-plated for engine cylinder body slot according to claim 4, it is characterised in that:It is described Syrup material includes by weight:
Syrup 20
Pectin 1.
6. the Work piece sealing construction foreign-plated for engine cylinder body slot according to claim 5, it is characterised in that:It is described Syrup includes one of glucose syrup, honey or fructose syrup or at least mixture of the two.
7. the Work piece sealing construction foreign-plated for engine cylinder body slot according to claim 3, it is characterised in that:It is described At least two workpiece are superimposed along the vertical direction, and work rest includes pedestal, column and top board, and the column is fixed on pedestal, on Pressing plate is installed on column and passes through column and form downward pressure is pressed in pedestal by workpiece, and the transition rings include being located at top Upper transition rings and the lower transition rings positioned at lower part.
8. the Work piece sealing construction foreign-plated for engine cylinder body slot according to claim 7, it is characterised in that:It is described Top board is equipped with an annular cover plate and passes through the upper surface that the annular cover plate is pressed on the top workpiece, and annular cover plate be equipped with The conformal structure in workpiece upper surface, the upper transition rings are located at radially inner position and inner circle is inwardly projecting in table in workpiece Face;Positioned at the lowermost workpiece pedestal is pressed on by lower transition rings.
9. the Work piece sealing construction foreign-plated for engine cylinder body slot according to claim 8, it is characterised in that:It is described Upper transition rings and lower transition rings are respectively formed inside wedge angle;The pedestal is equipped with upward positioning pin, under the lowermost workpiece End face is equipped with the dowel hole with the detent fit.
CN201610768066.4A 2016-08-31 2016-08-31 For the foreign-plated Work piece sealing construction of engine cylinder body slot Active CN106367797B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110886003B (en) * 2019-12-06 2021-03-23 隆鑫通用动力股份有限公司 Shielding structure for electroplating outside cylinder tank
CN110923790B (en) * 2019-12-06 2021-05-04 隆鑫通用动力股份有限公司 Compensation auxiliary tool for cylinder body out-of-groove electroplating
CN110923789B (en) * 2019-12-06 2021-03-23 隆鑫通用动力股份有限公司 Electroplating environment treatment device for electroplating outside cylinder body tank

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CN1023720C (en) * 1991-03-26 1994-02-09 中国石油天然气总公司第二石油机械厂 Continuous chromium plating method and equipment for super-long shaft
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FR2918845B1 (en) * 2007-07-19 2012-11-30 Roquette Freres ENCAPSULATION AGENT COMPRISING A PEAT MALTODEXTRIN AND / OR A PEP GLUCOSE SYRUP, COMPOSITIONS CONTAINING THE SAME, AND PROCESS FOR PREPARING THE SAME
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