CN101244544B - Burr removal method and apparatus for oil ejector body pressure regulating cavity - Google Patents
Burr removal method and apparatus for oil ejector body pressure regulating cavity Download PDFInfo
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- CN101244544B CN101244544B CN200810035160A CN200810035160A CN101244544B CN 101244544 B CN101244544 B CN 101244544B CN 200810035160 A CN200810035160 A CN 200810035160A CN 200810035160 A CN200810035160 A CN 200810035160A CN 101244544 B CN101244544 B CN 101244544B
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Abstract
The invention relates to a deburring method for the pressure regulating cavity of an oil injector body and the device, which is characterized in adopting grinding medium slurry jet for deburring. The method is as follow: a high pressure generator is used for generating high-speed jet of grinding medium slurry, wherein, the grinding medium particles with greater kinetic energy in the grinding medium slurry jet has strong grinding force; the burr and oxide on the channel inner wall of the pressure regulating cavity of the oil injector body are removed with the eroding and grinding function of the grinding medium particles. The device comprises a generator of high pressure slurry jet, a nozzle reciprocating movement mechanism, a workpiece rotary mechanism and a feed mechanism. The deburring method has the advantages of high processing efficiency and high processing quality together with the device.
Description
Technical field:
The present invention relates to a kind of oil injector body pressure regulating cavity burr removing method and equipment.
Background technology:
Hole type nozzle is the vitals of diesel engine with direct injection, and the height of its workmanship directly affects dynamic property, reliability, economy and the discharge index of diesel engine.Atomizer is made up of oil injector body, needle-valve body etc.According to domestic and international atomizer developments, and diesel engine reaches Europe I, Europe II, the EUROIII Emission Standard requirement to atomizer, and oil injector body pressure regulating cavity suface processing quality quality is the important indicator that enterprise of evaluation makes atomizer level height.So need an effective method to remove the burr and the oxide on oil injector body pressure regulating cavity surface, improve its surface roughness, improve its crudy.
The method that can be used for removing oil injector body pressure regulating cavity burr at present has: Drilling Operations, spark machined, Electrolyzed Processing, Ultrasonic machining, Laser Processing, electron beam processing, ion beam processing etc.But Drilling Operations efficient is lower, less stable, and apparatus expensive.Supercritical ultrasonics technology, electric spark method, electrolysis prepare relatively difficulty of processing entity instrument, and particularly the degree of depth of processing is limited, and still there are attachments such as burr and oxide on its surface, processing back.This shows also there is not at present the method and apparatus of attachments such as a kind of simple in structure, with low cost, the burr that can thoroughly remove oil injector body pressure regulating cavity surface and oxide.
Summary of the invention:
The objective of the invention is to solve the problem of surperficial burr of the oil injector body pressure regulating cavity that exists in the existing production status and oxide; A kind of oil injector body pressure regulating cavity burr removing method and equipment based on the abrasive material slurry jet flow technology is provided, attachments such as oil injector body pressure regulating cavity surface burr and oxide are removed effectively.
In order to achieve the above object, design of the present invention is: utilize high-voltage generator to make abrasive material slurry produce high-speed jet, the abrasive particle that carries big kinetic energy in the abrasive material slurry jet flow has than heavy-duty grinding power.Through of erosion, the ablation of these abrasive particles, reach the purpose of attachments such as removing inner-walls of duct surface burr and oxide to inner-walls of duct.Translation distance when this equipment is confirmed inclination angle and the nozzle operation of nozzle according to the distance of height, nozzle and the work piece of inner-walls of duct is removed inner-walls of duct burr from top to bottom through the reciprocating motion of nozzle.Utilize the rotation of workpiece self, remove the burr of inner-walls of duct whole circumference face.Through the reciprocating motion of nozzle and the rotation of workpiece, abrasive material slurry jet flow erosion, grinding force affact the whole pipe inner wall surface, reach the purpose of comprehensive removal oil injector body pressure regulating cavity burr.
According to above-mentioned design, the present invention adopts following technical proposals:
A kind of oil injector body pressure regulating cavity burr removing method is characterized in that adopting abrasive material slurry jet flow to remove burr.Utilize high-voltage generator to make abrasive material slurry produce high-speed jet; The abrasive particle that carries big kinetic energy in the abrasive material slurry jet flow has than heavy-duty grinding power; Through of erosion, the ablation of these abrasive particles, remove oil injector body pressure regulating cavity vias inner walls surface burr and oxide to oil injector body pressure regulating cavity vias inner walls.
A kind of equipment that is used for above-mentioned oil injector body pressure regulating cavity burr removing method is made up of high pressure slurry jet flow generating means, nozzle reciprocating mechanism, workpiece rotating mechanism and propulsive mechanism.Described each mechanism structure is following:
(1) high pressure slurry jet flow generating means: a Material collecting box for harvesting is connected in the import of a mashing pump; And outlet is connected a high pressure high pressure batch can through a check valve; A fuel tank is connected in the import of an oil pump, and the high pressure batch can is connected in outlet, and the high pressure batch can is connected nozzle through stop valve; After the oil pump work, hydraulic oil gets into the high pressure batch can, and the high pressure batch can is boosted, and abrasive material slurry is discharged the high pressure batch can via stop valve, forms the high speed slurry jet flow, sprays through nozzle;
(2) nozzle reciprocating mechanism: each nozzle links to each other with two parallel up and down slide blocks 2 respectively; This slide block 2 contacts with an eccentric wheel through push rod; Eccentric rotation promotes to be connected the push rod on this slide block 2, realizes that nozzle moves back and forth in slight distance;
(3) workpiece rotating mechanism: workpiece is installed in the bearing that is fixed on the workbench, the fastening belt pulley of each bearing, this belt pulley drives the workpiece rotation through belt by a zero motor; In the rotary course of the reciprocating motion process of nozzle and workpiece, abrasive material slurry jet flow carries out the erosion grinding to whole work-piece inner-walls of duct surface, removes the burr and the oxide of workpiece inwall;
(4) propulsive mechanism: eccentric wheel is installed on the slide block 1, and a side of slide block 1 is by spring-loaded, and the opposite side of slide block 1 is connected with a propulsion plant; After clamping workpiece finished, propulsion plant was pushed into the workpiece top with nozzle, after the completion of processing, nozzle is withdrawed from.
The present invention compared with prior art; Have following outstanding substantial characteristics and remarkable advantage: utilization of the present invention than erosion, the ablation to inner-walls of duct of the abrasive material slurry jet flow of heavy-duty grinding power, is removed attachments such as inner-walls of duct surface burr and oxide through having of going out of nozzle ejection.In this process, the abrasive material slurry jet flow that goes out through nozzle ejection is stronger than the grinding force that jet produced of the pipeline of flowing through, and working (machining) efficiency is high, and crudy is high; The abrasive material slurry that remains in the workpiece bore area after the processing is cleaned out easily, helps environmental protection.In this equipment; Through the reciprocating motion of nozzle and the rotation of workpiece; Abrasive material slurry jet flow carries out the erosion grinding to the whole pipe inner wall surface; Make the ablation masterpiece of jet be used for the every bit of pressure regulating cavity endoporus, abrasive material slurry jet flow is even to the ablation of bore area, and therefore surperficial whole crudy is high.
Description of drawings:
Fig. 1 is the structural representation of one embodiment of the present of invention.
The specific embodiment:
A preferred embodiment of the present invention accompanying drawings is following:
This oil injector body pressure regulating cavity burr removing method; Adopt the abrasive material slurry jet flow deburring; Utilize high-voltage generator to make abrasive material slurry produce high-speed jet; The abrasive particle that carries big kinetic energy in the abrasive material slurry jet flow has than heavy-duty grinding power, through erosion, the ablation of these abrasive particles to oil injector body pressure regulating cavity vias inner walls, removes oil injector body pressure regulating cavity vias inner walls surface burr and oxide.
Referring to Fig. 1, the equipment of the oil injector body pressure regulating cavity deburring that this method is used includes high pressure batch can 1, oil pump 2, nozzle 19, mashing pump 7, slide rail 13, slide block 1 15, slide block 2 17, spring 16, eccentric stiffener 14, zero motor 9, belt pulley 10, propulsion plant 12, fuel tank 6, bearing 18, Material collecting box for harvesting 8, check valve 5 and stop valve 3,4,20.Utilize the high-voltage generator in this equipment to generate the high pressure slurry jet flow, adopt nozzle to move back and forth the mode that rotation combines with workpiece among a small circle, efficiently remove the burr and the oxide of oil injector body pressure regulating cavity.Participate in Fig. 1, connect into the oil injector body pressure regulating cavity by following mode and remove burr equipment:
(1) high pressure slurry jet flow generating means: mashing pump 7 through in the check valve 5 input high pressure batch cans, through the boosting of oil pump 2, ejects through stop valve 4 slurry slurry in the Material collecting box for harvesting 8 from nozzle 19, behind the processing work, return Material collecting box for harvesting 8.
(2) nozzle reciprocating mechanism: nozzle 19 is according to confirming that good fixed angle is on slide block 2 17; Through being fixed on rotatablely moving and the active force control slide block 2 17 of spring 16 of eccentric wheel 14 on the slide block 1 15; And then the control nozzle moves back and forth in slight distance, thereby removes inner-walls of duct burr and oxide from top to bottom.
(3) workpiece rotating mechanism: workpiece 11 clampings are on the fixing bearing 18 in outer ring, and zero motor 9 rotations drive and bearing 18 relatively-stationary belt pulleys 10 rotations, and then make the workpiece rotation, thereby remove the burr and the oxide of inner-walls of duct whole circumference face.
Can make erosion, the grinding force of abrasive material slurry jet flow affact the whole pipe inner wall surface through the rotating mechanism of nozzle reciprocating mechanism and workpiece, remove the burr and the oxide of oil injector body pressure regulating cavity comprehensively.
(4) propulsive mechanism: after clamping workpiece finished, the nozzle that will be fixed on the slide block 2 17 through propulsion plant 12 was pushed into the workpiece top.After the completion of processing, through propulsive mechanism nozzle is withdrawed from again.
Utilize high-voltage generator to generate the high pressure slurry jet flow and adopt nozzle to move back and forth among a small circle and mode that the revolution of nozzle low speed combines to remove the equipment course of work of oil injector body pressure regulating cavity burr and oxide following:
(1) give high pressure batch can 1 reinforced, open stop valve 20, close stop valve 3,4, start mashing pump 7, system gives high pressure batch can 1 reinforced.Until filling it up with.
(2) with workpiece 11 clampings to bearing 18, start propulsion plant 12, propulsion plant 12 promotes slide blocks 1 15, and then drives nozzles 19 through spring 16, makes nozzle 19 move to the workpiece top, prepares processing.
(3) carry out work with high pressure batch can 1, eccentric stiffener 14 and workpiece rotating mechanism; Process is following: open stop valve 4, close stop valve 3,20; Open eccentric stiffener 14 and promote slide block 2 18 and then promote nozzle 19 in small scope, to move back and forth, remove inner-walls of duct burr from top to bottom; Open zero motor 9, drive belt pulley 10 rotations, and then drive workpiece 11 is done gyration, the burr of removal inner-walls of duct whole circumference face.Both combine, and can make erosion, the grinding force of abrasive material slurry jet flow affact the whole pipe inner wall surface, remove the burr of oil injector body pressure regulating cavity comprehensively.
(4) after the completion of processing, close eccentric stiffener 14 and zero motor 9 respectively, close propulsion plant 12, nozzle 19 leaves the workpiece top through the pulling function of propulsion plant 12, slide block 1 15, spring 16 and slide block 2 17.Can take out the workpiece that has machined this moment.
(5) like the said continuous operation in (2) (3) (4), after the slurry in batch can is used up, again from (1) beginning action successively.
Claims (1)
1. the equipment of oil injector body pressure regulating cavity deburring is characterized in that being made up of high pressure slurry jet flow generating means, nozzle reciprocating mechanism, workpiece rotating mechanism and propulsive mechanism;
A. high pressure slurry jet flow generating means: a Material collecting box for harvesting (8) is connected in the import of a mashing pump (7); And outlet is connected a high pressure batch can (1) through a check valve (5); A fuel tank (6) is connected in the import of an oil pump (2); And high pressure batch can (1) is connected in outlet, and high pressure batch can (1) is connected nozzle (19) through stop valve (4); After oil pump (2) work, hydraulic oil gets into high pressure batch can (1), and high pressure batch can (1) is boosted, and abrasive material slurry is discharged high pressure batch can (1) via stop valve (4), forms the high speed slurry jet flow, sprays through nozzle (19);
B. nozzle reciprocating mechanism: each nozzle (19) links to each other with two parallel up and down slide blocks 2 (17) respectively; This slide block 2 (17) contacts with an eccentric wheel (14) through push rod; The rotation of eccentric wheel (14) promotes to be connected the push rod on this slide block 2 (17), realizes that nozzle (19) moves back and forth in slight distance;
C. workpiece rotating mechanism: workpiece (11) is installed in the bearing (18) that is fixed on the workbench, the fastening belt pulley of each bearing (18) (10), this belt pulley (10) drives the workpiece rotation through belt by a zero motor (9); In the rotary course of the reciprocating motion process of nozzle (19) and workpiece (11), abrasive material slurry jet flow carries out the erosion grinding to whole work-piece inner-walls of duct surface, removes the burr and the oxide of workpiece inwall;
D. propulsive mechanism: eccentric wheel (14) is installed on the slide block 1 (15), and a side of slide block 1 (15) is by spring (16) supporting, and the opposite side of slide block 1 (15) is connected with a propulsion plant (12); After workpiece (11) clamping finished, propulsion plant (12) was pushed into workpiece (11) top with nozzle (19), after the completion of processing, nozzle (19) is withdrawed from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810035160A CN101244544B (en) | 2008-03-26 | 2008-03-26 | Burr removal method and apparatus for oil ejector body pressure regulating cavity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810035160A CN101244544B (en) | 2008-03-26 | 2008-03-26 | Burr removal method and apparatus for oil ejector body pressure regulating cavity |
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| CN101244544A CN101244544A (en) | 2008-08-20 |
| CN101244544B true CN101244544B (en) | 2012-08-29 |
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| CN200810035160A Expired - Fee Related CN101244544B (en) | 2008-03-26 | 2008-03-26 | Burr removal method and apparatus for oil ejector body pressure regulating cavity |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972990A (en) * | 2010-08-27 | 2011-02-16 | 江苏诚德钢管股份有限公司 | Method for removing steel tube surface oxide skin |
| CN105643474A (en) * | 2016-01-21 | 2016-06-08 | 嘉兴市新望机械制造有限公司 | Deburring method for crankshaft for refrigerator compressor |
| CN106985077B (en) * | 2017-03-27 | 2019-09-06 | 宁波工程学院 | A kind of surface-strengthening equipment and method based on jet stream |
| CN106985082B (en) * | 2017-05-03 | 2019-04-30 | 宁波工程学院 | A kind of micro- texture manufacturing process of inner surface based on jet stream |
| CN107553343A (en) * | 2017-09-18 | 2018-01-09 | 安徽理工大学 | A kind of electromagnetism abrasive material slurry burnishing device |
| CN108746015A (en) * | 2018-05-31 | 2018-11-06 | 江苏省机械研究设计院有限责任公司 | High pressure water cleaning system for rinsing fire proofing material production line |
| CN109202733A (en) * | 2018-09-26 | 2019-01-15 | 南京航空航天大学 | A kind of minimizing technology and device of metal component surface thermal barrier coating |
| CN110153904B (en) * | 2019-06-05 | 2023-08-18 | 河南理工大学 | Abrasive hydraulic punching system and method capable of continuously adding sand |
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