CN109865992A

CN109865992A - The processing technology of distribution pipe and engine high pressure oil rail assembly comprising the distribution pipe

Info

Publication number: CN109865992A
Application number: CN201910298038.4A
Authority: CN
Inventors: 肖松; 黄陆鑫; 康慧忠; 程水良; 亨宁·哈特曼; 杨卫国
Original assignee: SHANGHAI WEIKEMAI LONGCHUAN AUTOMOTIVE ENGINE PARTS CO Ltd
Current assignee: SHANGHAI WEIKEMAI LONGCHUAN AUTOMOTIVE ENGINE PARTS CO Ltd
Priority date: 2018-12-11
Filing date: 2019-04-15
Publication date: 2019-06-11
Also published as: CN109973269A; WO2020119179A1; CN209942990U; CN210141180U; WO2020119178A1

Abstract

Engine high pressure oil rail assembly the present invention provides a kind of processing technology of distribution pipe and comprising the distribution pipe, being related to distribution pipe includes distribution tube body, and inner cavity is equipped in the distribution tube body, and inner cavity both ends open forms through-hole type inner cavity.It is high, less economical that the present invention solves distribution pipe complex manufacturing technology present in the prior art, process consumes energy; waste recovery utilization rate is not high; resource waste rate is high; chemical cleaning is also needed simultaneously; the high problem of environmental pollution degree; distribution pipe processing technique manufacture craft of the invention is simple, mature, easy to be promoted; economy is high; the flexible structure of inner cavity; it can satisfy the different demand of user, waste recovery utilization rate is high, economizes on resources; and without chemical contamination, positive effect can be played to environmental protection.

Description

The processing technology of distribution pipe and engine high pressure oil rail assembly comprising the distribution pipe

Technical field

The present invention relates to a kind of component of engine more particularly to a kind of distribution pipe and its processing technology and engine are high Pressure oil rail assembly.

Background technique

The effect of oily rail: by taking petrol engine as an example, petrol engine has multiple cylinders, and each cylinder is independently equipped with For fuel injector to provide gasoline, all fuel injectors are connected on a common oil pipe (abbreviation fuel common-rail).Working principle is first Gasoline is delivered into oily rail from fuel tank by certain pressure by oil pump, has a constant operating pressure by gasoline inside oily rail It is sent into each fuel injector, gasoline is injected into cylinder by fuel injector as required by electric control gear to burn.Oily rail is independent Except petrol engine, remained unchanged during entire spray combustion.

High pressure oil rail: fuel oil is injected directly into cylinder, is atomized gasoline sufficiently using the high pressure draught in cylinder and is reached To the clean-burning purpose of gasoline.Since gasoline is sufficiently burned, so the economic performance of its fuel oil greatly improves, dioxy Change carbon emission to be substantially reduced, so that the performance of high pressure fuel engine has splendid performance, it is to be widely used in the world at present Gasoline engine technology.

Current international high pressure gasoline is started in order to energy-saving while improving performance, and main stream approach is constantly to mention The operating pressure and intensity of high entire engine, it is also higher and higher for the performance requirement of high pressure oil rail itself, and be used to start Not only inner-cavity structure is single for the existing distribution pipe of machine high pressure oil rail assembly, but also its traditional diamond-making technique manufacture craft is (for example, heat It rolling (squeeze seamless steel pipe): circular pipe blank → heating → perforation → tri- rods tiltedly prick, tandem rolling or extruding → take off pipe → sizing (or tube reducing) → cooling → aligning → the water pressure test (or flaw detection) → label → storage；Or seamless steel pipe (is rolled) in cold-drawn: circular pipe blank → heating → Perforate → taking the lead → anneal → pickling → oiling (copper facing) → multi-pass cold-drawn (cold rolling) → base pipe → heat treatment → aligning → water Pressure test (flaw detection) → label → storage) it is complicated, process energy consumption height, less economical, waste recovery utilization rate is not high, the wasting of resources Rate is high, while also needing chemical cleaning, and environmental pollution degree is high.

Summary of the invention

The purpose of the present invention is to provide a kind of processing technology of distribution pipe and include the engine high pressure oil of the distribution pipe Rail assembly mainly solves distribution pipe complex manufacturing technology present in the above-mentioned prior art, process energy consumption height, less economical, waste material Recovery utilization rate is not high, and resource waste rate is high, while also needing chemical cleaning, the high problem of environmental pollution degree, point of the invention Simple with pipe processing technique manufacture craft, mature, easily popularization, economy is high, and the flexible structure of inner cavity can satisfy user not Same demand, waste recovery utilization rate is high, economizes on resources, and without chemical contamination, can play positive effect to environmental protection.

Distribution pipe of the invention also can solve the problem that inner-cavity structure is single in the prior art, processing work through the invention Artistic skill is enough processed into the inner cavity of various different structures, meets the needs of different engine high pressure oil rail assemblies are to distribution pipe.

To achieve the goals above, the technical scheme adopted by the invention is that: a kind of processing technology of distribution pipe is related to Distribution pipe includes distribution tube body, and inner cavity is equipped in the distribution tube body, and inner cavity both ends open forms through-hole type inner cavity, institute Stating the processing technology of distribution pipe, specific step is as follows:

(1), suitable distribution pipe raw material are selected, in process equipment by least one raw material clamping；

(2), distribution pipe raw material outer surface is subjected to roughing using the machining tool of process equipment, by distribution pipe former material It is processed into designated shape in material outer surface；Distribution pipe raw material outer surface is finished using the machining tool of process equipment, Satisfactory distribution tube outer surface is processed into distribution pipe raw material outer surface；

(3), roughing is carried out using inner cavity of the machining tool of process equipment to distribution tube body, forms through hole shape distribution Pipe, and tube cavity preparatory processing will be distributed into designated shape；

(4), it is finished using inner cavity of the machining tool of process equipment to distribution tube body, distribution tube cavity is added Work is at satisfactory internal chamber wall；

Or

(2), roughing is carried out using inner cavity of the machining tool of process equipment to distribution tube body, forms through hole shape distribution Pipe, and tube cavity preparatory processing will be distributed into designated shape；Using the machining tool of process equipment to the inner cavity for distributing tube body It is finished, by distribution pipe embedded SMA actuators at satisfactory internal chamber wall；

(3), distribution pipe raw material outer surface is subjected to roughing using the machining tool of process equipment, by distribution pipe former material It is processed into designated shape in material outer surface；Distribution pipe raw material outer surface is finished using the machining tool of process equipment, Satisfactory distribution tube outer surface is processed into distribution pipe raw material outer surface；

Or

(2), distribution pipe raw material outer surface is subjected to roughing using the machining tool of process equipment, by distribution pipe former material It is processed into designated shape in material outer surface；

(4), distribution pipe raw material outer surface is finished using the machining tool of process equipment, by distribution pipe former material It is processed into satisfactory distribution tube outer surface in material outer surface；

(5), it is finished using inner cavity of the machining tool of process equipment to distribution tube body, distribution tube cavity is added Work is at satisfactory internal chamber wall；

Or

(5), distribution pipe raw material outer surface is finished using the machining tool of process equipment, by distribution pipe former material It is processed into satisfactory distribution tube outer surface in material outer surface；

Or

(2), roughing is carried out using inner cavity of the machining tool of process equipment to distribution tube body, forms through hole shape distribution Pipe, and tube cavity preparatory processing will be distributed into designated shape；

(3), distribution pipe raw material outer surface is subjected to roughing using the machining tool of process equipment, by distribution pipe former material It is processed into designated shape in material outer surface；

Or

(5), it is finished using inner cavity of the machining tool of process equipment to distribution tube body, distribution tube cavity is added Work is at satisfactory internal chamber wall.

A kind of processing technology of distribution pipe, the distribution pipe being related to include distribution tube body, are equipped in the distribution tube body Inner cavity, inner cavity both ends open form through-hole type inner cavity, and the distribution tube body is equipped at least one oil-through-hole, the distribution Specific step is as follows for the processing technology of pipe:

(5), several oil-through-holes are processed on distribution tube body using the machining tool of process equipment；

Or

(4), several oil-through-holes are processed on distribution tube body using the machining tool of process equipment；

Or

(3), several oil-through-holes are processed on distribution tube body using the machining tool of process equipment；

(4), roughing is carried out using inner cavity of the machining tool of process equipment to distribution tube body, forms through hole shape distribution Pipe, and tube cavity preparatory processing will be distributed into designated shape；Using the machining tool of process equipment to the inner cavity for distributing tube body It is finished, by distribution pipe embedded SMA actuators at satisfactory internal chamber wall；

Or

(4), distribution pipe raw material outer surface is subjected to roughing using the machining tool of process equipment, by distribution pipe former material It is processed into designated shape in material outer surface；Distribution pipe raw material outer surface is finished using the machining tool of process equipment, Satisfactory distribution tube outer surface is processed into distribution pipe raw material outer surface；

Or

(2), several oil-through-holes are processed on distribution tube body using the machining tool of process equipment；

Or

(5), lumen openings end counterbore is processed at distribution pipe open end using the machining tool of process equipment；

Or

(3), lumen openings end counterbore is processed at distribution pipe open end using the machining tool of process equipment；

(5), distribution pipe raw material outer surface is subjected to roughing using the machining tool of process equipment, by distribution pipe former material It is processed into designated shape in material outer surface；Distribution pipe raw material outer surface is finished using the machining tool of process equipment, Satisfactory distribution tube outer surface is processed into distribution pipe raw material outer surface；

Or

(5), lumen openings end counterbore is processed at distribution pipe open end using the machining tool of process equipment.

Further, the machining tool be lathe tool or drill bit or milling cutter or boring cutter or grinding wheel or planing tool or be lathe tool, drill bit, Milling cutter, boring cutter, grinding wheel, in planing tool at least two combination；The cutter head and knife bar of the machining tool are cutter head knife bar integral type Or cutter head knife bar is split type.

Further, the cutting tip quantity on the drill bit or cutter head is 1~100；The cutting of the cutting tip turns Speed is 1~10000 rev/min；The feed cutting output of the cutting tip is 1~1000 mm/min.

Further, with the use of lubricating cooling oil when the machining tool is processed.

Further, the distribution pipe raw material moulding process is cold-drawn or cold rolling or hot extrusion or casting or forging or cold-heading Cutting or be at least two combined techniques in cold-drawn, cold rolling, hot extrusion, casting, forging, cold-heading, cutting.

Further, distribution pipe raw material outer surface processing technology is vehicle or milling or plane or drawing or pressure or forging or mill or cuts It cuts or electric spark or laser or chemical attack or for vehicle, milling, plane, drawing, pressure, forging, mill, cutting, electric spark, laser, chemical attack In at least two combined techniques.

Further, the inner cavity of the distribution tube body carry out roughing technique be depth drill or drill gun or milling or plane or boring or Mill or electric spark or laser or chemical attack or in depth drill, rifle drilling and milling, plane, boring, mill, electric spark, laser, chemical attack At least two combined techniques.

Further, it is depth drill or mill or milling or plane or boring or electricity that the inner cavity of the distribution tube body, which carries out fine-processing technique, Spark or laser or the technique combined for depth drill, mill, milling, plane, boring, electric spark, laser at least two.

Further, the oil-through-hole processing technology is brill or milling or mill or electric spark or laser or is drilling and milling, mill, electrical fire At least two combined techniques in flower, laser.

Further, the cross sectional shape of the inner cavity is round or square or rectangular or ellipse is trapezoidal or positive five side Shape, regular hexagon or regular polygon or irregular polygon.

Further, the cross-sectional shape that the distribution tube body outer edge is formed is round or square or rectangular or ellipse Round or trapezoidal or regular pentagon, regular hexagon or regular polygon or irregular polygon.

Further, the distribution tube body minimum thickness is at least 1 millimeter；The depth of the inner cavity is 1~1000 millimeter； The central axes of the distribution tube body and the central axes of inner cavity are overlapped.

A kind of engine high pressure oil rail assembly includes a kind of above-mentioned distribution pipe, the first anaerobic copper ring, pipe fitting, sensing Device connector, oil injector seat mounting bracket block, it is characterised in that: the distribution pipe main body is equipped at least one oil-through-hole；The pipe Connector is connect after passing through the first anaerobic copper ring with lumen openings one end, and the lumen openings other end is sealed by sealing element, the sensing Device connector is connected on distribution tube body, and the oil injector seat mounting bracket block is connected on distribution tube body, oil injector seat peace It is corresponding with oil-through-hole position to fill backbone block position.

Further, the oil injector seat mounting bracket block is made of oil injector seat and mounting bracket block, oil injector seat installation Backbone block is integral type or split type.

A kind of engine high pressure oil rail assembly includes a kind of above-mentioned distribution pipe, the first anaerobic copper ring, pipe fitting, sensing Device connector, oil injector seat mounting bracket block, it is characterised in that: the pipe fitting pass through the first anaerobic copper ring after with lumen openings one End connection, the lumen openings other end are sealed by sealing element, and the sensor connector is connected on distribution tube body, the fuel injector Seat mounting bracket block is connected on distribution tube body, and oil injector seat mounting bracket block position is corresponding with oil-through-hole position.

Further, between distribution tube body and the pipe fitting, between distribution tube body and sensor connector, distribution pipe sheet It is first pre-installed using press fitting or riveting or Laser Welding or tack welding or electric resistance welding between body and oil injector seat mounting bracket block, Then it is attached again by high temperature brazing or high frequency induction welding or bridging agent adhesion.

A kind of engine high pressure oil rail assembly is used including the distribution pipe for dispensing fuel into different fueling injection equipments In realizing that fuel enters from oil pump the pipe joint arrangement of distribution pipe, for realizing installation fuel injector function and with the company of engine The oil injector seat mounting device connect, for realizing the sensor connector device of installation pressure transducer functionality, it is characterised in that: institute It states and is equipped with inner cavity in distribution pipe, inner cavity both ends open, inner cavity one end is connect with sealing element；In the pipe joint arrangement and distribution pipe The connection of chamber other end opening, the fueling injection equipment are connect with distribution pipe, and the sensor connector device is connect with distribution pipe.

In view of above-mentioned technical characteristic, the invention has the following beneficial effects:

In the present invention, a kind of distribution pipe is used for engine high pressure oil rail assembly, can be adapted for petrol engine, diesel oil hair Motivation, combustion gas start, the engine of other types of engine fuel and other energy, these engines can apply to motor-driven In the engine of the big machineries such as vehicle, automobile, ship, aircraft.Of the invention distribution pipe inner-cavity structure multiplicity (such as inner cavity is cut Face shape is round or square or rectangular or ellipse or trapezoidal or regular pentagon, regular hexagon or regular polygon or does not advise Then polygon), meet the needs of different engine high pressure oil rail assemblies are to distribution pipe.

In the present invention, a kind of processing technology of distribution pipe is simple with manufacture craft, easily promotes, and economy is higher；Inner cavity Depth is flexible, can meet the needs of different；Waste recovery utilization rate is high, can economize on resources；Without chemical treatment, to environmental protection There are positive effect advantage and effect.

A kind of engine high pressure oil rail assembly in the present invention, it includes distribution pipe inner-cavity structure multiplicity, can be using not Same inner-cavity structure (such as the cross sectional shape of inner cavity be round or square or rectangular or ellipse or trapezoidal or regular pentagon, Regular hexagon or regular polygon or irregular polygon) the advantages of, both the volume of adjustable inner cavity, can also increase certain bits The wall thickness set.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of distribution pipe in embodiment 1；

Fig. 2 is the sectional view of distribution pipe in Fig. 1；

Fig. 3 is the schematic cross-section of the raw material of distribution pipe in embodiment 1；

Fig. 4 is to distribute the schematic cross-section of tube cavity after the raw material of distribution pipe in embodiment 1 are processed；

Fig. 5 is a kind of structural schematic diagram of cutter (cutter head knife bar integral type) in the processing technology of distribution pipe in embodiment 1；

Fig. 6 is a kind of structural schematic diagram of cutter (cutter head knife bar is split type) in the processing technology of distribution pipe in embodiment 1；

Fig. 7 is a kind of processing technology chinese raw materials ontology machining sketch chart of distribution pipe in embodiment 1；

Fig. 8 is to distribute the rough machined machining sketch chart of tube cavity in embodiment 1 in a kind of processing technology of distribution pipe；

Fig. 9 is a kind of machining sketch chart of distribution tube cavity finishing in the processing technology of distribution pipe in embodiment 1；

Figure 10 is the machining sketch chart for distributing oil-through-hole on tube body in embodiment 1 in a kind of processing technology of distribution pipe；

Figure 11 is a kind of flow chart of the processing technology of distribution pipe in embodiment 1；

Figure 12 is a kind of distribution pipe and the first anaerobic copper ring, pipe fitting, spray of engine high pressure oil rail assembly in embodiment 1 Oily device seat mounting bracket block, capping, the structural schematic diagram of the second anaerobic copper ring in the pre-connection；

Figure 13 is a kind of distribution pipe and the first anaerobic copper ring, pipe fitting, spray of engine high pressure oil rail assembly in embodiment 1 Oily device seat mounting bracket block, capping, the structural schematic diagram of the second anaerobic copper ring upon connection；

Figure 14 is a kind of knot of the integral type of the oil injector seat mounting bracket block of engine high pressure oil rail assembly in embodiment 1 Structure schematic diagram；

Figure 15 is a kind of two-piece unit formula of the oil injector seat mounting bracket block of engine high pressure oil rail assembly in embodiment 1 Structural schematic diagram；

Figure 16 is a kind of split left and right formula of the oil injector seat mounting bracket block of engine high pressure oil rail assembly in embodiment 1 Structural schematic diagram；

Figure 17 is the schematic cross-section of the raw material of distribution pipe in embodiment 2；

Figure 18 is to distribute the schematic cross-section of tube cavity after the raw material of distribution pipe in embodiment 2 are processed；

Figure 19 is the schematic cross-section of the raw material of distribution pipe in embodiment 3；

Figure 20 is to distribute the schematic cross-section of tube cavity after the raw material of distribution pipe in embodiment 3 are processed；

Figure 21 is the schematic cross-section of the raw material of distribution pipe in embodiment 4；

Figure 22 is to distribute the schematic cross-section of tube cavity after the raw material of distribution pipe in embodiment 4 are processed；

Figure 23 is the schematic cross-section of the raw material of distribution pipe in embodiment 5；

Figure 24 is to distribute the schematic cross-section of tube cavity after the raw material of distribution pipe in embodiment 5 are processed.

In figure: 3 be capping, and 4 be the second anaerobic copper ring, and 6 be distribution tube body, and 6-1 is the oil-through-hole for distributing tube body, 7 be distribution tube cavity, and 7-2 is rough machined distribution tube cavity, and 7-3 is the distribution tube cavity of finishing, and 10 be sensor connector, 11 be pipe fitting, and 12 be the first anaerobic copper ring, and 13 be oil injector seat mounting bracket block；13-1 is fixed block, and 13-1-1 is to fix First part after block fractionation, the second part after the fractionation of 13-1-2 fixed block, 13-2 is mounting bracket block, and 13-3 is fuel injector Seat, 13-4 are the through hole on fixed block, and 14 be machining tool, and 14-1 is cutting tip, and 14-2 is cutter head, and 14-3 is knife bar, 15 be lubricating cooling oil, and 16 be raw material, and 16-1 is the left side of raw material, and 16-2 is the right side of raw material, and 16-3 is original The outer surface of material, 17 be rough machined cutter, and 18 be the cutter of finishing.

Specific embodiment

The invention will be further elucidated with reference to specific embodiments.It should be understood that these embodiments are merely to illustrate this hair It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, art technology Personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited Fixed range.

Referring to Fig. 1 to Fig. 4, embodiment 1, a kind of distribution pipe provided by the invention, including distribution tube body 6, distribution pipe sheet Inner cavity 7 is equipped in body 6,7 both ends open of inner cavity forms through-hole type inner cavity 7, it is characterised in that: the cross sectional shape of the inner cavity is Round or square or rectangular or ellipse or trapezoidal or regular pentagon, regular hexagon or regular polygon are irregular polygon Shape.Distribute tube body 6 be equipped at least one oil-through-hole 6-1 (can be multiple for one or two or three or three or more, It is in the light of actual conditions distributed on distribution tube body 6, for example can linearly be distributed and the straight line and distribution 6 axis of tube body are flat Row can also be in be irregularly distributed), distribution pipe is for gasoline to be assigned in different fuel injectors.Inner cavity 7 in the present embodiment 1 By sealing element, (such as capping 3 and the second anaerobic copper ring 4, the second anaerobic copper ring 4 play between inner cavity 7 and capping 3 for one end Sealing function) sealing, 7 other end of inner cavity connection pipe fitting 11, oil-through-hole 6-1 is four, connects inner cavity 7 and oil injector seat installation Backbone block 13, for the gasoline (or other fuel oils) of distribution pipe body lumen 7 to be entered oil injector seat installation by oil-through-hole 6-1 Inside backbone block 13, recycle distribution pipe body lumen 7 high pressure by oil injector seat mounting bracket block 13 by gasoline (or other Fuel oil) it spurts into cylinder.

The cross sectional shape of inner cavity 7 is circle, can also be designed as square or rectangular or ellipse according to the actual situation Or the combination of trapezoidal or regular pentagon, regular hexagon or regular polygon or irregular polygon and aforementioned at least two shape, Meet needed for different situations.

Distributing the cross-sectional shape that 6 outer edge of tube body is formed is circle, can also be designed as pros according to the actual situation Shape or rectangle or ellipse or trapezoidal or regular pentagon, regular hexagon or regular polygon or irregular polygon and aforementioned The combination of at least two shapes, meets needed for different situations.

The central axes of the central axes and inner cavity 7 of distributing tube body 6 are overlapped, and inner cavity 7 can be helped to be in distribution tube body Heart position, it is structurally reasonable, it is ensured that each position of distribution tube body 6 is able to bear pressure in inner cavity 7.

Distributing 6 minimum thickness of tube body is at least 1 millimeter；The depth of inner cavity 7 is 1~1000 millimeter.In view of cutting for inner cavity 7 Face shape is round and to distribute the cross-sectional shape that tube body outer edge is formed be round, therefore distribution pipe sheet in the present embodiment 1 Body thickness is 4.5 millimeters, and depth of inner cavity is 329 millimeters.

Distribution tube body 6 can select the stainless steel plate of following model using material, by cold rolling and/or hot extrusion and/ Or casting and/or forging and/or cold-heading and other techniques for manufacturing blank material are made:

Chinese GB--06Cr19Ni10,022Cr19Ni10, Y12Cr18Ni9,022Cr17Ni12Mo2, 06Cr18Ni11Ti、12Cr17Mn6Ni5N、12Cr18Mn9Ni5N、12Cr17Ni7、06Cr19Ni10N、06Cr19Ni9NbN、 022Cr19Ni10N、10Cr18Ni12、06C23Ni13、06Cr25Ni20、06Cr17Ni12Mo2、06Cr17Ni12Mo2Ti、 06Cr17Ni12Mo2N、022Cr17Ni13Mo2N、06Cr18Ni12MoCu2、022Cr18Ni14Mo2Cu2、 06Cr19Ni13Mo3、022Cr19Ni13Mo3、06Cr18Ni11Nb、Y12、Y15、Y12、Y15、Y20、Y30、Y35、Y40Mn、 Y45CaS、Y100Pb、Y100Bi。

Japanese JIS--SUS304, SUS304L, SUS316, SUS316L, SUS321, SUS201, SUS202, SUS301, SUS304N1、SUS304N2、SUS304LN、SUS305、SUS309S、SUS310、SUS310S、SUS316Ti、SUS316N、 SUS316J1、SUS316J1L、SUS317、SUS317L、SUS347。

U.S. ASTM--304,304L, 316,316L, 321,201,202,301,304N, XM21,304LN, 305,306, 309S、310S、316Ti、316N、316LN、317、317L、347。

U.S. UNS-S30400, S30403, S31603, S32100, S20100, S20200, S30100, S30451, S30452、S30453、S30500、S30908、S31008、S31600、S31635、S31651、S31653、S31700、S31703、 S34700。

European EN -1.4301,1.4302,1.4303,1.4304,1.4305,1.4306,1.4307,1.4308, 1.4309、1.4310、1.4401、1.4402、1.4403、1.4404、1.4405、1.4406、1.4407、1.4408、1.4409、 1.4410、1.4372、1.4373、1.4319、1.4315、1.4833、1.4845、1.4571、1.4429、1.4438、1.4541、 1.455。

German DIN-X5CrNi18-10, X2CrNi19-11, X2CrNiMo17-12-2, X6CrNiTi18-10, X12CrMnNiN17-8-5、X12CrMnNiN18-9-5、X5rNi17-7、X5CrNiN19-9、X2CrNiN18-10、 X4CrNi18-12、X12CrNi23-13、X8CrNi25-21、X5CrNiMo17-12-2、X6CrNiMoTi17-12-2、 X2CrNiMoN17-13-3、X2CrNiMo18-15-4、X6CrNiNb18-10。

South Korea KS-STS304, STS304L, STS316L, STS321, STS201, STS202, STS301, STS304N1, STS304N2、STS304LN、STS305、STS309S、STS310S、STS316、STS316N、STS316LN、STS316J1、 STS317L、STS347。

The hardness test and comparison of distribution pipe in the present invention, See Figure carry out hardness inspection to distribution tube components of the invention It surveys (vickers hardness hv).Distribution tube components equal portions are cut into 10 sections of detection exemplars, hardness tester is put into and is detected.By hardness It is compared according to the hardness with traditional seamless pipe, distribution pipe hardness of the invention is slightly better than the hardness of conventional distribution.

The detection and comparison of the material grains degree of distribution pipe in the present invention, See Figure carry out distribution pipe of the invention micro- See the inspection (100x, 500x) of grain size.Distribution tube components are cut open, outer surface, inner surface is detected with instrument respectively, uses The grade inspection of 100x, 500x.The microcosmic grain size that picture and traditional seamless pipe is imaged is compared, distribution pipe of the invention Grain size it is more tiny, finer and close, metal strength, hardness are higher, plasticity, wilful more preferable.

The test and comparison of the pressure fluctuation test of distribution pipe, See Figure carry out distribution pipe of the invention in the present invention Pressure fluctuation test.Distribution tube components are mounted in pressure fluctuation equipment, are tested respectively using the pressure of 2 grades.It will Data and the data of traditional seamless pipe compare, and distribution pipe pressure resistance performance of the invention, anti-fatigue performance are more excellent.

Referring to Fig. 5 to 11, the present invention provides a kind of processing technology of distribution pipe, is related to a kind of above-mentioned distribution pipe, processing Specific step is as follows for technique:

(1), suitable distribution pipe raw material 16 are selected, in process equipment by 16 clamping of at least one raw material；Processing Equipment has the function of while the multiple raw material 16 of synchronous processing, and can guarantee processing effect, promotes processing efficiency.

(2), using the machining tool of process equipment 14 by distribution pipe raw material outer surface 16-3 (including distribution pipe raw material Left side 16-1 and distribution pipe raw material right side 16-2) be processed into designated shape (i.e. distribution tube body outer edge formed Cross-sectional shape be round or square or rectangular or ellipse or trapezoidal or regular pentagon, regular hexagon or regular polygon Or irregular polygon), i.e., distribution pipe raw material outer surface 16-3 is subjected to roughing using the machining tool of process equipment 14, Distribution pipe raw material outer surface 16-3 is processed into designated shape；Using the machining tool 14 of process equipment by distribution pipe raw material Outer surface 16-3 is finished, and distribution pipe raw material outer surface 16-3 is processed into satisfactory distribution tube outer surface, this The outer surface 16-3 cross sectional shape of distribution pipe raw material is circle in embodiment 1, by 16 outer surface of distribution pipe raw material after processing Be processed into circle, at the same the left side 16-1 of distribution pipe raw material and the right side 16-2 of distribution pipe raw material be processed into it is smooth And meet length requirement between distribution pipe left and right ends；

(3), the inner cavity 7 for distributing tube body 6 using 14 pairs of the machining tool of process equipment carries out roughing, will be in distribution pipe At through hole shape, (cross sectional shape of inner cavity is that round or square or rectangular or ellipse are trapezoidal or positive five to 7 preparatory processing of chamber Side shape, regular hexagon or regular polygon or irregular polygon), it by the cross sectional shape for distributing tube cavity is circle in the present embodiment 1 Shape；It can both have been processed since the left side 16-1 of distribution pipe raw material at this time or from the right side of distribution pipe raw material 16-2 starts to process, and the selection of the present embodiment 1 is processed since the right side 16-2 of distribution pipe raw material.

(4), the inner cavity 7 for distributing tube body 6 using 14 pairs of the machining tool of process equipment finishes, will be in distribution pipe Chamber 7 is processed into satisfactory 7 wall of inner cavity, that is, forms the distribution tube cavity 7-3 of finishing.

(5), several oil-through-hole 6-1 are processed on distribution tube body 6 using the machining tool of process equipment 14.Oil-through-hole The advantages of 6-1 is general linearly evenly distributed, and the straight line and distribution pipe axis parallel, the arrangement mode be structure it is simple, Regular, performance is more preferable, easy to process, strong applicability；The equipment used of oil-through-hole 6-1 processing simultaneously is simple, it is at low cost, easily push away Extensively.

Above-mentioned processing technology step (2) to (5) can adjust successive process sequence according to the actual situation, i.e. distribution tube cavity 7 roughing, finishing can be before 16 outer surface of distribution pipe raw material process, can also be after oil-through-hole 6-1 processing The last distribution pipe product of the formation that processing technology of the present invention is had no effect on Deng, various adjustment of process sequence, therefore process time The various processing technologys adjusted of sequence also belong within protection scope of the present invention.

The process equipment referred in the present invention can be a total system, be also possible to by each device and/component group At the respective function of completion the specific equipment of correspondence (including but not limited to machining tool, realize the various techniques that the present invention refers to Device required and existing in the prior art etc., so it will not be repeated), as long as can satisfy the system of distribution pipe in the present invention Making can (i.e. in completion distribution pipe manufacturing process technique used in each step or link and reach distribution pipe production purpose).

Machining tool 14 is lathe tool or drill bit or milling cutter or boring cutter or grinding wheel or planing tool or is lathe tool, drill bit, milling cutter, boring Knife, grinding wheel, in planing tool at least two combination；The cutter head 14-2 and knife bar 14-3 of machining tool 14 are cutter head 14-2 knife bar 14-3 The advantages of integral type, integral type, is that stress is stronger, and cutting rotational speeds are higher, process part when it is high-efficient；Or cutter head 14-2 knife Bar 14-3 is split type, and split type advantage is only to need to dismount cutting tip 14-1 and cutter head 14-2, and convenient for safeguarding, maintenance adds Work tool 14 and at low cost.

Cutting tip 14-1 quantity on drill bit or cutter head 14-2 is 1~100；The cutting rotational speeds of cutting tip 14-1 are 1~10000 rev/min；The feed cutting output of cutting tip 14-1 is 1~1000 mm/min.Wherein process the brill of inner cavity Head, blade material are preferably hard alloy steel；The material of knife bar is preferably high-speed alloy steel.

Machining tool is processed for 16 outer surface of distribution pipe raw material, slightly add to the inner cavity 7 of distribution tube body 6 Work and finishing, to distribution tube body 6 on carry out being process several oil-through-hole 6-1.Wherein to 16 appearance of distribution pipe raw material Face processing uses Vehicle Processing, carries out roughing to the inner cavity 7 of distribution tube body 6 and uses depth drill, to the inner cavity of distribution tube body 6 7 carry out finishing using depth drill, use drilling to when be process several oil-through-hole 6-1 on distribution tube body 6.

Lubricating cooling oil 15 is used cooperatively when machining tool 14 is processed, in cutting, mill process, lubrication Oil 15 is used to cool down and lubricate cutter and workpiece (i.e. distribution pipe raw material, distribution tube body 6), i.e., lubricating cooling oil 15 cooperates Machining tool uses (the including but not limited to processing of 16 outer surface of raw material, distribution tube cavity simultaneously in cutting, mill process 7 roughing and finishing, the processing of the oil-through-hole 6-1 of distribution tube body).The lubricating cooling oil trade mark is preferably but not limited to: 15#, 20#、22#、30#、32#、40#、46#、60#、68#、100#、50#、70#、90#、150#、120#、220#、250#、320#、 350#、460#、680#。

16 moulding process of distribution pipe raw material be cold-drawn or cold rolling or hot extrusion or casting or forging or cold-heading or cutting or For at least two combined techniques in cold-drawn, cold rolling, hot extrusion, casting, forging, cold-heading, cutting；In the present embodiment 1, distribution pipe 16 moulding process of raw material is cold-drawn.

16 outer surface processing technology of distribution pipe raw material is vehicle or milling or plane or drawing or pressure or forging or mill or cutting or electrical fire Colored or laser or chemical attack are in vehicle, milling, plane, drawing, pressure, forging, mill, cutting, electric spark, laser, chemical attack at least two The combined technique of kind；In the present embodiment 1,16 outer surface processing technology of distribution pipe raw material is Vehicle Processing.

It is depth drill or drill gun or milling or plane or boring or mill or electrical fire that the inner cavity 7 for distributing tube body 6, which carries out roughing technique, Colored or laser or chemical attack are in depth drill, rifle drilling and milling, plane, boring, mill, electric spark, laser, chemical attack at least two Combined technique；In the present embodiment 1, it is depth drill that the inner cavity 7 of distribution tube body 6, which carries out roughing technique,.

The inner cavity 7 for distributing tube body 6 carries out fine-processing technique and is depth drill or mill or milling or plane or boring or electric spark or swashs Light or the technique combined for depth drill, mill, milling, plane, boring, electric spark, laser at least two；In the present embodiment 1, tube body is distributed It is depth drill that 6 inner cavity 7, which carries out fine-processing technique,.

Oil-through-hole 6-1 processing technology be bore milling or mill or electric spark or laser or be drilling and milling, mill, electric spark, in laser At least two combined techniques；In the present embodiment 1, oil-through-hole 6-1 processing technology is drilling.

Referring to Figure 12 to Figure 16, a kind of engine high pressure oil rail assembly provided by the invention includes a kind of above-mentioned distribution It manages (i.e. distribution pipe main body 6), the first anaerobic copper ring 12, pipe fitting 11, sensor connector 10, oil injector seat mounting bracket block 13, It is characterized by: pipe fitting 11 pass through the first anaerobic copper ring 12 after connect with 7 open at one end of inner cavity, inner cavity 7 opening the other end by Sealing element sealing, pipe fitting 11 are used for import (the i.e. through-hole of gasoline or other fuel oils from pipe fitting of gasoline (or other fuel oils) Into distribution tube cavity), the first anaerobic copper ring 12 is used for welding material, i.e., distribution pipe main body 6 and pipe fitting 11 is welded on one It rises.Sensor connector 10 is connected on distribution tube body 6, and sensor connector 10 is for realizing the function of installing pressure sensor. Oil injector seat mounting bracket block 13 be connected to distribution tube body 6 on, 13 position of oil injector seat mounting bracket block with oil-through-hole 6-1 Set correspondence, oil injector seat mounting bracket block 13 for realizing installation gasoline ejector function and with the connection of petrol engine.

Oil injector seat mounting bracket block 13 is made of oil injector seat 13-3 and mounting bracket block 13-2, oil injector seat installation branch Frame block 13 integral type or split type, i.e. oil injector seat mounting bracket block 13 include for connecting distribution pipe main body 6, mounting bracket block The fixed block 13-1 of 13-2, oil injector seat 13-3, for by lock screw by product (i.e. engine high pressure oil rail assembly or comprising The oily rail of engine high pressure oil rail assembly) the mounting bracket block 13-2 of fixation on the engine, for installing the oil spout of fuel injector Through hole 13-4 on device seat 13-3, the fixed block 13-1 in the hole for wearing screw, wherein oil injector seat mounting bracket block 13 1 Body formula connection type is that mounting bracket block 13-2 and oil injector seat 13-3 can be fixedly connected with fixed block 13-1 integral type, should Kind structural strength is fine, is usually used in the high product of performance requirement, but its difficulty of processing is also high, at high cost；

13 two-piece unit formula connection type of oil injector seat mounting bracket block is that mounting bracket block 13-2 and fixed block 13-1 can It connecting seperatedly, oil injector seat 13-3 can be fixedly connected with fixed block 13-1, this kind of structure is used for the product of custom requirements, Single part structure is simple；

13 split left and right formula connection type of oil injector seat mounting bracket block is that fixed block 13-1 is split, and is divided into two (can also according to circumstances carry out three even three or more to split) forms the first part 13-1-1 after fixed block 13-1 is split Through hole 13-4 on second part 13-1-2 after splitting with fixed block 13-1, fixed block 13-1 is located at fixed block 13-1 fractionation First part 13-1-1 and the fixed company of mounting bracket block 13-2 on first part 13-1-1 afterwards, and after fixed block 13-1 fractionation It connects, the second part 13-1-2 after oil injector seat 13-3 is split with fixed block 13-1 is fixedly connected, this kind of structure is wanted for conventional The product asked, single part structure are simple；

It distributes between tube body 6 and pipe fitting 11, distribute between tube body 6 and sensor connector 10, distribution 6 and of tube body It is first pre-installed between oil injector seat mounting bracket block 13, prepackage mode includes but is not limited to be pressed and/or rivet and/or swash Then flush weld and/or tack welding and/or electric resistance welding carry out molding welding again, molding welding manner includes but is not limited to high temperature pricker Weldering and/or HFI welding and/or bridging agent adhesion, such as: copper cream and high temperature brazing technique.In the present embodiment 1, distributing First anaerobic copper ring 12, pipe fitting 11 are mounted in designated position by press-fit approach by 7 open end of inner cavity of pipe main body 6 in advance；Dividing It is piped in main body 6, oil injector seat mounting bracket block 13, sensor connector 10 is mounted in designated position in advance by modes such as welding； By using copper cream and high temperature brazing technique in each assembly seam crossing, by linking together for each part secure.A kind of engine Preferably 1000 degrees Celsius to 1200 degrees Celsius of the assembly environment of each component in high pressure oil rail assembly, the temperature range copper cream are in completely Liquid, trickling, absorption property are outstanding.

Gasoline (or other fuel oils) enters distribution pipe by oil pump by pipe fitting 11, and pressure rises in distribution pipe, passes through biography Sensor and sensor connector 10 know the gasoline pressure of distribution tube cavity 7, and control distribution tube cavity 7 and flow into gasoline speed to control System distribution 7 internal petrol pressure of tube cavity；The gasoline for distributing tube cavity 7 under the effect of the pressure, passes through the logical oil in distribution pipe Hole 6-1 enters oil injector seat mounting bracket block 13 and fuel injector, and then is spurted into gasoline in petrol engine by fuel injector.

Referring to Figure 17 and 18, embodiment 2, a kind of distribution pipe provided by the invention, the present embodiment 2 and the basic phase of embodiment 1 Together, the difference is that: the cross sectional shape of inner cavity 7 is square, distribution tube body outer edge formed cross-sectional shape be positive It is rectangular.

A kind of processing technology of above-mentioned distribution pipe, it is substantially the same manner as Example 1, the difference is that selecting different processing works The cross sectional shape of inner cavity 7 is square by tool, and the outer surface 16-3 cross sectional shape of distribution pipe raw material is square, distribution pipe sheet The cross-sectional shape that outer rim is formed is square.

A kind of engine high pressure oil rail assembly comprising above-mentioned distribution pipe, substantially the same manner as Example 1, difference exists In: the cross sectional shape of inner cavity 7 is square, and the cross-sectional shape that distribution tube body outer edge is formed is square.

Referring to Figure 19 and 20, embodiment 3, a kind of distribution pipe provided by the invention, the present embodiment 2 and the basic phase of embodiment 1 Together, the difference is that: the cross sectional shape of inner cavity 7 be rectangle, distribution tube body outer edge formed cross-sectional shape be length It is rectangular.

A kind of processing technology of above-mentioned distribution pipe, it is substantially the same manner as Example 1, the difference is that selecting different processing works The cross sectional shape of inner cavity 7 is rectangle by tool, and the outer surface 16-3 cross sectional shape of distribution pipe raw material is rectangle, distribution pipe sheet The cross-sectional shape that outer rim is formed is rectangle.

A kind of engine high pressure oil rail assembly comprising above-mentioned distribution pipe, substantially the same manner as Example 1, difference exists In: the cross sectional shape of inner cavity 7 is rectangle, and the cross-sectional shape that distribution tube body outer edge is formed is rectangle.

Referring to fig. 21 and 22, embodiment 4, a kind of distribution pipe provided by the invention, the present embodiment 2 and the basic phase of embodiment 1 Together, the difference is that: the cross sectional shape of inner cavity 7 be ellipse, distribution tube body outer edge formed cross-sectional shape be it is ellipse It is round.

A kind of processing technology of above-mentioned distribution pipe, it is substantially the same manner as Example 1, the difference is that selecting different processing works The cross sectional shape of inner cavity 7 is ellipse by tool, and the outer surface 16-3 cross sectional shape of distribution pipe raw material is ellipse, distribution pipe sheet The cross-sectional shape that outer rim is formed is ellipse.

A kind of engine high pressure oil rail assembly comprising above-mentioned distribution pipe, substantially the same manner as Example 1, difference exists In: the cross sectional shape of inner cavity 7 is ellipse, and the cross-sectional shape that distribution tube body outer edge is formed is ellipse.

Referring to fig. 23 and 24, embodiment 5, a kind of distribution pipe provided by the invention, the present embodiment 2 and the basic phase of embodiment 1 Together, the difference is that: the cross sectional shape of inner cavity 7 be pentagon, distribution tube body outer edge formed cross-sectional shape be five Side shape.

A kind of processing technology of above-mentioned distribution pipe, it is substantially the same manner as Example 1, the difference is that selecting different processing works The cross sectional shape of inner cavity 7 is pentagon by tool, and the outer surface 16-3 cross sectional shape of distribution pipe raw material is pentagon, distribution pipe sheet The cross-sectional shape that outer rim is formed is pentagon.

A kind of engine high pressure oil rail assembly comprising above-mentioned distribution pipe, substantially the same manner as Example 1, difference exists In: the cross sectional shape of inner cavity 7 is pentagon, and the cross-sectional shape that distribution tube body outer edge is formed is pentagon.

In addition to above-described embodiment 1 to 5, can also be from cross-sectional shape round or square or rectangular or ellipse or One of raw material are selected in the raw material 16 of trapezoidal or regular pentagon, regular hexagon or regular polygon or irregular polygon Processed, can be processed into the cross-sectional shape that distribution 6 outer edge of tube body is formed for round or square or rectangular or It is one of in oval or trapezoidal or regular pentagon, regular hexagon or regular polygon or irregular polygon, and section of inner cavity 7 Face shape is round or square or rectangular or ellipse or trapezoidal or regular pentagon, regular hexagon or regular polygon or does not advise The then distribution pipe of polygon one of which, that is to say, that the cross sectional shape and distribution 6 outer edge shape of tube body of distribution tube cavity 7 At cross-sectional shape can be with self assemble, combining form is varied, as long as can satisfy distribution tube body minimum thickness be At least 1 millimeter of requirement, those combinations belong in the scope of the present invention.

A kind of distribution pipe and a kind of engine high pressure oil rail assembly comprising the distribution pipe can be adapted in the present invention Petrol engine, diesel engine, combustion gas start, the engine of other types of engine fuel and other energy, these hairs Send machine that can apply in the engine of the big machineries such as motor vehicle, automobile, ship, aircraft.

The processing technology of distribution pipe, which is broadly divided into, in the present invention carries out roughing, to raw material appearance to raw material outer surface Face is finished, roughing is carried out to the inner cavity of distribution tube body, is finished to the inner cavity of distribution tube body, to distribution Several oil-through-holes are processed on tube body, procedure of processing can be adjusted according to needs of production, as long as this can be made Distribution pipe (including the distribution pipe of oil-through-hole and/or the distribution pipe without oil-through-hole), that is, belong to guarantor of the invention in invention Protect range.Specific processing technology step further includes but is not limited to following several schemes:

Scheme one: (1) suitable distribution pipe raw material are selected, in process equipment by least one raw material clamping；

Scheme two: (1) suitable distribution pipe raw material are selected, in process equipment by least one raw material clamping；

Scheme three: (1) suitable distribution pipe raw material are selected, in process equipment by least one raw material clamping；

Scheme four: (1) suitable distribution pipe raw material are selected, in process equipment by least one raw material clamping；

Scheme five: (1) suitable distribution pipe raw material are selected, in process equipment by least one raw material clamping；

Scheme six: (1) suitable distribution pipe raw material are selected, in process equipment by least one raw material clamping；

Scheme seven: (1) suitable distribution pipe raw material are selected, in process equipment by least one raw material clamping；

Scheme eight: (1) suitable distribution pipe raw material are selected, in process equipment by least one raw material clamping；

Scheme nine: (1) suitable distribution pipe raw material are selected, in process equipment by least one raw material clamping；

Scheme ten: (1) suitable distribution pipe raw material are selected, in process equipment by least one raw material clamping；

(4), roughing is carried out using inner cavity of the machining tool of process equipment to distribution tube body, forms through hole shape distribution Pipe, and tube cavity preparatory processing will be distributed into designated shape；Using the machining tool of process equipment to the inner cavity for distributing tube body It is finished, by distribution pipe embedded SMA actuators at satisfactory internal chamber wall.

It, can also be at distribution tube cavity both ends or in which any one because of assembly technology difference in distribution pipe production process Counterbore (not showing in attached drawing) is arranged in the open end at end, and lumen openings end counterbore is for positioning the first anaerobic copper ring 12 and the second nothing Oxygen copper ring 4 needs to increase the procedure of processing of lumen openings end counterbore in distribution pipe processing technique step at this time, then distribution pipe Processing technology step can also include but is not limited to following scheme:

Scheme 11: (1) suitable distribution pipe raw material are selected, in process equipment by least one raw material clamping；

Scheme 12: (1) suitable distribution pipe raw material are selected, in process equipment by least one raw material clamping；

Scheme 13: (1) suitable distribution pipe raw material are selected, in process equipment by least one raw material clamping；

The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations Technical field, be included within the scope of the present invention.

Claims

1. a kind of processing technology of distribution pipe, the distribution pipe being related to includes distribution tube body, is equipped in the distribution tube body interior Chamber, inner cavity both ends open form through-hole type inner cavity, and specific step is as follows for the processing technology of the distribution pipe:

(2), distribution pipe raw material outer surface is subjected to roughing using the machining tool of process equipment, it will be outside distribution pipe raw material It is processed into designated shape in surface；Distribution pipe raw material outer surface is finished using the machining tool of process equipment, will be divided It is processed into satisfactory distribution tube outer surface in piping raw material outer surface；

(4), using the machining tool of process equipment to distribution tube body inner cavity finish, by distribution pipe embedded SMA actuators at Satisfactory internal chamber wall；

Or

(2), roughing is carried out using inner cavity of the machining tool of process equipment to distribution tube body, forms through hole shape distribution pipe, And tube cavity preparatory processing will be distributed into designated shape；The inner cavity of distribution tube body is carried out using the machining tool of process equipment Finishing, by distribution pipe embedded SMA actuators at satisfactory internal chamber wall；

(3), distribution pipe raw material outer surface is subjected to roughing using the machining tool of process equipment, it will be outside distribution pipe raw material It is processed into designated shape in surface；Distribution pipe raw material outer surface is finished using the machining tool of process equipment, will be divided It is processed into satisfactory distribution tube outer surface in piping raw material outer surface；

Or

(2), distribution pipe raw material outer surface is subjected to roughing using the machining tool of process equipment, it will be outside distribution pipe raw material It is processed into designated shape in surface；

(4), distribution pipe raw material outer surface is finished using the machining tool of process equipment, it will be outside distribution pipe raw material It is processed into satisfactory distribution tube outer surface in surface；

(5), using the machining tool of process equipment to distribution tube body inner cavity finish, by distribution pipe embedded SMA actuators at Satisfactory internal chamber wall；

Or

(5), distribution pipe raw material outer surface is finished using the machining tool of process equipment, it will be outside distribution pipe raw material It is processed into satisfactory distribution tube outer surface in surface；

Or

(3), distribution pipe raw material outer surface is subjected to roughing using the machining tool of process equipment, it will be outside distribution pipe raw material It is processed into designated shape in surface；

Or

(5), using the machining tool of process equipment to distribution tube body inner cavity finish, by distribution pipe embedded SMA actuators at Satisfactory internal chamber wall.

2. a kind of processing technology of distribution pipe, the distribution pipe being related to includes distribution tube body, is equipped in the distribution tube body interior Chamber, inner cavity both ends open form through-hole type inner cavity, and the distribution tube body is equipped at least one oil-through-hole, the distribution pipe Processing technology specific step is as follows:

Or

(4), roughing is carried out using inner cavity of the machining tool of process equipment to distribution tube body, forms through hole shape distribution pipe, And tube cavity preparatory processing will be distributed into designated shape；The inner cavity of distribution tube body is carried out using the machining tool of process equipment Finishing, by distribution pipe embedded SMA actuators at satisfactory internal chamber wall；

Or

(4), distribution pipe raw material outer surface is subjected to roughing using the machining tool of process equipment, it will be outside distribution pipe raw material It is processed into designated shape in surface；Distribution pipe raw material outer surface is finished using the machining tool of process equipment, will be divided It is processed into satisfactory distribution tube outer surface in piping raw material outer surface；

Or

(5), distribution pipe raw material outer surface is subjected to roughing using the machining tool of process equipment, it will be outside distribution pipe raw material It is processed into designated shape in surface；Distribution pipe raw material outer surface is finished using the machining tool of process equipment, will be divided It is processed into satisfactory distribution tube outer surface in piping raw material outer surface；

Or

3. a kind of processing technology of distribution pipe according to claim 1 or 2, it is characterised in that: the machining tool is vehicle Knife or drill bit or milling cutter or boring cutter or grinding wheel or planing tool are in lathe tool, drill bit, milling cutter, boring cutter, grinding wheel, planing tool at least two Combination；The cutter head and knife bar of the machining tool are that cutter head knife bar integral type or cutter head knife bar are split type.

4. a kind of processing technology of distribution pipe according to claim 3, it is characterised in that: cutting on the drill bit or cutter head Paring blade quantity is 1~100；The cutting rotational speeds of the cutting tip are 1~10000 rev/min；The cutting tip into Knife cutting output is 1~1000 mm/min.

5. a kind of processing technology of distribution pipe according to claim 4, it is characterised in that: the machining tool is processed When be used cooperatively lubricating cooling oil.

6. a kind of processing technology of distribution pipe according to claim 5, it is characterised in that: the distribution pipe raw material molding Technique is cold-drawn or cold rolling or hot extrusion or casting or forging or cold-heading or cutting or is cold-drawn, cold rolling, hot extrusion, casting, forging It makes, cold-heading, at least two combined techniques in cutting.

7. a kind of processing technology of distribution pipe according to claim 6, it is characterised in that: the distribution pipe raw material appearance Face processing technology be vehicle or milling or plane or drawing or pressure or forging or mill or cutting or electric spark or laser or chemical attack or be vehicle, Milling, plane, drawing, pressure, forging, mill, cutting, electric spark, laser, at least two combined techniques in chemical attack.

8. a kind of processing technology of distribution pipe according to claim 7, it is characterised in that: the inner cavity of the distribution tube body Roughing technique is carried out to be depth drill or drill gun or milling or plane or boring or mill or electric spark or laser or chemical attack or be deep hole Brill, rifle drilling and milling, plane, boring, mill, electric spark, laser, at least two combined techniques in chemical attack.

9. a kind of processing technology of distribution pipe according to claim 8, it is characterised in that: the inner cavity of the distribution tube body Fine-processing technique is carried out to be depth drill or mill or milling or plane or boring or electric spark or laser or be depth drill, mill, milling, plane, boring, electricity The combined technique of spark, laser at least two.

10. a kind of processing technology of distribution pipe according to claim 9, it is characterised in that: the oil-through-hole processing technology To bore or milling or grind or electric spark or laser or be drilling and milling, mill, electric spark, at least two combined techniques in laser.

11. a kind of processing technology of distribution pipe described according to claim 1 or 2 or 4 or 5 or 6 or 7 or 8 or 9 or 10, special Sign is: the cross sectional shape of the inner cavity is round or square or rectangular or ellipse or trapezoidal or regular pentagon, positive six Side shape or regular polygon or irregular polygon.

12. a kind of distribution pipe according to claim 11, it is characterised in that: the cross that the distribution tube body outer edge is formed Cross sectional shape is for round or square or rectangular or ellipse or trapezoidal or regular pentagon, regular hexagon or regular polygon or not Regular polygon.

13. a kind of distribution pipe according to claim 12, it is characterised in that: the distribution tube body minimum thickness is at least 1 millimeter；The depth of the inner cavity is 1~1000 millimeter；The central axes of the distribution tube body and the central axes of inner cavity are overlapped.

14. a kind of engine high pressure oil rail assembly includes a kind of distribution pipe described in claim 1, the first anaerobic copper ring, pipe are connect Head, sensor connector, oil injector seat mounting bracket block, it is characterised in that: the distribution pipe main body is equipped at least one oil-through-hole； The pipe fitting is connect after passing through the first anaerobic copper ring with lumen openings one end, and the lumen openings other end is sealed by sealing element, institute It states sensor connector to be connected on distribution tube body, the oil injector seat mounting bracket block is connected on distribution tube body, oil spout Device seat mounting bracket block position is corresponding with oil-through-hole position.

15. a kind of engine high pressure oil rail assembly according to claim 14, it is characterised in that: the oil injector seat installation Backbone block is made of oil injector seat and mounting bracket block, and oil injector seat mounting bracket block is integral type or split type.

16. a kind of engine high pressure oil rail assembly includes a kind of distribution pipe as claimed in claim 2, the first anaerobic copper ring, pipe are connect Head, sensor connector, oil injector seat mounting bracket block, it is characterised in that: the pipe fitting pass through the first anaerobic copper ring after with it is interior The connection of chamber open at one end, the lumen openings other end are sealed by sealing element, and the sensor connector is connected on distribution tube body, institute It states oil injector seat mounting bracket block to be connected on distribution tube body, oil injector seat mounting bracket block position and oil-through-hole position pair It answers.

17. a kind of engine high pressure oil rail assembly according to claim 16, it is characterised in that: the oil injector seat installation Backbone block is made of oil injector seat and mounting bracket block, and oil injector seat mounting bracket block is integral type or split type.

18. a kind of engine high pressure oil rail assembly described in 5 or 17 according to claim 1, it is characterised in that: the distribution pipe sheet Between body and pipe fitting, between distribution tube body and sensor connector, between distribution tube body and oil injector seat mounting bracket block It is first pre-installed using press fitting or riveting or Laser Welding or tack welding or electric resistance welding, then passes through high temperature brazing or high frequency sense again It should weld or bridging agent adhesion is attached.

19. a kind of engine high pressure oil rail assembly is used for including the distribution pipe for dispensing fuel into different fueling injection equipments Realize that fuel enters the pipe joint arrangement of distribution pipe from oil pump, for realizing installation fuel injector function and with the connection of engine Oil injector seat mounting device, for realizing installation pressure transducer functionality sensor connector device, it is characterised in that: it is described Inner cavity is equipped in distribution pipe, inner cavity both ends open, inner cavity one end is connect with sealing element；The pipe joint arrangement and distribution tube cavity The connection of other end opening, the fueling injection equipment are connect with distribution pipe, and the sensor connector device is connect with distribution pipe.