EP2613913A2 - Lanze mit strahldüse zum entgraten und/oder reinigen von werkstücken - Google Patents
Lanze mit strahldüse zum entgraten und/oder reinigen von werkstückenInfo
- Publication number
- EP2613913A2 EP2613913A2 EP11748673.8A EP11748673A EP2613913A2 EP 2613913 A2 EP2613913 A2 EP 2613913A2 EP 11748673 A EP11748673 A EP 11748673A EP 2613913 A2 EP2613913 A2 EP 2613913A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- lance
- insert
- nozzle
- fluid
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0421—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with rotating spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/083—Deburring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
- B24C3/325—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/01—Spray pistols, discharge devices
Definitions
- the invention relates to a lance, in particular a rotary lance, for deburring and / or cleaning workpieces with a lance body.
- the lance has at least one nozzle for generating a fluid jet.
- In the lance there is an internal space acting as a fluid channel, through which the nozzle can be supplied with fluid under high pressure.
- burrs are usually created at the edges of recesses and bores. Such a burr may also be formed inside workpieces, e.g. in places where holes meet. Not least for workpieces used in motors, such burrs can impair technical functionality and cause serious damage.
- High-pressure water jet technology is used in industrial production for deburring workpieces.
- a lance with nozzles is inserted into a recess of the workpiece having a burr, e.g. a hole.
- the lance is connected to a high pressure pump.
- the high-pressure pump delivers water at very high pressure.
- the nozzles of the lance then generate a high pressure water jet.
- This high-pressure water jet streams the burrs in the workpiece. This causes the burrs to break off.
- a lance of the type mentioned is known from DE 40 15 412 C1.
- This lance is designed as a rotary lance. It has a tubular lance body made of metal. The workpiece-side end of the lance body is closed with a rounded front end. At this At the end of the lance body there are two openings that act as nozzles and through which a high-pressure water jet can emerge.
- the object of the invention is to provide a lance for the deburring of workpieces, which can be used at high fluid pressure for long periods for deburring workpieces with constant water jet quality.
- a lance of the type mentioned in which at least one nozzle is formed in an insert fixed in the lance body, which extends into the interior.
- This invention is based in particular on the idea that in an insert with nozzles for a lance materials are used, which are subject to no or little wear even when cavitation occurs due to their strength. The wear of nozzles during operation of the lance can be minimized thereby.
- this invention is based on the idea that an insert with nozzles for a lance for deburring workpieces cavity geometries for the avoidance of cavitation allows that can not be formed in a tubular lance body or only with great effort. By extending the insert along an axis between two end sections fixedly connected to the lance body, it is possible to achieve that the insert can be subjected to high forces, in particular pressure forces. The forces acting on the insert are thus at least partially introduced into the lance body.
- the use of the lance body can also develop a stabilizing effect. This makes it possible to carry out the lance body with a comparatively thin wall and still operate the lance at comparatively high fluid pressures.
- the insert preferably has a tubular portion extending between the end portions along an axis with a lateral recess for passage of fluid from the interior to the nozzle. This measure allows the insert to be formed with two opposing nozzle openings. This measure also makes it possible for the cavitation in the operation of the lance to be essentially limited to a cavity or an internal volume in the insert. Thus it can be achieved that the lance body comparatively little wear during operation of the lance.
- the lance body can then z. B. are made of a not specially surface-hardened metal, which reduces the manufacturing cost of a lance accordingly.
- the insert consists at least partially or in sections of hardened metal and / or hard metal and / or ceramic.
- an opening in a stop made of a very hard material fastened in the insert can serve as a nozzle in the lance.
- the openings of such a diaphragm for a nozzle of the lance can be designed not only round but also elongated or slit-shaped. It is also advantageous to use the insert with an internal volume tapering towards the nozzle opening. to build.
- an at least partially coronal internal volume is advantageous in the insert, which is tapered in the direction of the nozzle opening.
- the insert can be defined in particular in a recess, for example in a hole in the lance body. In this hole, the use z. B. screwed. But it is also possible to glue the insert with the lance body to weld or solder. In the insert, two, possibly also more nozzles may be formed. It is advantageous if the fluid channel in the lance body of the lance is at least partially formed as a tubular portion in the lance body. Conveniently, the insert has an opening opening into the tubular portion of the lance body. This opening is preferably also a mounting opening, through which, for example, acting as nozzles aperture can be introduced into the interior of the insert.
- the insert can have tubular shape. It is possible to orient the insert, for example obliquely to an axis of the lance body or obliquely to this.
- a first rotary lance for deburring and / or cleaning workpieces with a workpiece Show it: a first rotary lance for deburring and / or cleaning workpieces with a workpiece; the section of a workpiece-side portion of the rotary lance; a section of the rotary lance along the line AA of Fig. 1; a second rotary lance for deburring and / or cleaning workpieces; and an insert with nozzles for a rotary lance for deburring workpieces.
- the rotary lance 10 in FIG. 1 has a lance body 12.
- the rotary lance 10 comprises two nozzles 14 and 16.
- the lance body 12 of the rotary lance is made of stainless steel.
- the lance body 12 is tubular.
- the lance body 12 has an axis 36.
- the lance body 12 has an interior 15 which acts as a fluid channel.
- the nozzles 14, 16 can be supplied with fluid, preferably fluid in the form of water, under high pressure from a high pressure pump (not shown).
- the nozzles 14 and 16 are arranged in a workpiece-side portion of the lance body 12.
- the nozzles 14 and 16 generate a fluid jet 18, 20. With increasing distance from the nozzles 14, 16, the fluid idstrahl 18, 20 is slightly widened.
- Fig. 1 shows the rotary lance 10 in the bore 22 of a workpiece 24.
- the workpiece 24 is an engine block for a brake motor.
- the Bore 22 opens into an oblique bore 26. In the region 28 in which the bore 22 opens into the oblique bore 26, there is a ridge 30.
- FIG. 2 shows the workpiece-side section 37 of the rotary lance 10 in FIG. 1 as a section.
- an insert 38 is fixed.
- the insert 38 is tubular.
- the insert 38 has a body 39 made of steel or ceramic.
- the insert 38 is extended along an axis 41 between two end-side end sections 58, 60.
- the insert 38 is located in the fluid channel in the lance body 12 with a sleeve-shaped section 43.
- the insert 38 protrudes into the fluid channel 15. It engages through the interior 15 of the lance body 12.
- the nozzles 14 and 16 are located educated.
- the nozzle 14 has a circular nozzle opening 17 in a diaphragm 40.
- the diaphragm 40 is a disc of the material sapphire, diamond or ceramic.
- the aperture 40 is fixed in the insert 38.
- the panel 40 abuts in the insert 38 on a flange 42.
- the aperture 40 is pressed in a holding body 44 against the flange 42.
- the nozzle 16 is slit-shaped.
- the nozzle 16 is formed with a slot-shaped nozzle opening 19 in a diaphragm 46.
- the diaphragm 46 is a disk made of sapphire.
- a flange 48 is formed in the insert 38. According to the diaphragm 40 and the diaphragm 46 is pressed by means of a holding body 50 against the flange 48.
- the nozzle opening 17 in the diaphragm 40 and the nozzle opening 19 in the diaphragm 46 are aligned with the axis 41 of the insert 38.
- the insert 38 has end-side end sections 58, 60.
- the end-side end sections 58, 60 are flush with the outer wall 61 of the lance body 12 arranged.
- the insert 38 has a lateral opening 52.
- the opening 52 opens into the tube or tubular portion of the lance body 12. Through the opening 52, the fluid from the lance body 12 in a formed in the insert 38 cavity 51 to the nozzles 14, 16 arrive.
- the opening 52 also serves as a mounting opening for the diaphragm 40 and the diaphragm 46 with the holding bodies 44, 50 in the insert 38.
- the lance body 12 of the insert 38 is received in two opposite holes 54, 55 in the lance body 12. There, the insert 38 is held by means of an adhesive connection.
- the lance body 12 is thus mechanically stabilized by the insert 38. Because the insert 38 is held at two opposite portions in the lance body 12, it can be loaded with comparatively high compressive forces.
- an adhesive connection it is also possible to provide a thread for the insert 38 in the lance body 12, into which the insert 38 can be screwed. In addition, it is possible to fix the insert 38 with a soldering or welding connection in the lance body.
- the nozzles 14, 16 formed in the apertures 40, 46 are arranged reset.
- the distance 47 and 49 between the nozzle 14, 16 and the outer wall 61 of the lance body 12 is approximately 2 times the diameter of the nozzle opening 17 of the nozzle 14. This distance may well be 3 to 15 times the corresponding diameter .
- the recessed arrangement of the nozzles 14, 16 causes the fluid emerging from the nozzle openings 17, 19 in the area of the wall 61 of the lance body 12 forms a fluid jet with high flow velocity. Such a fluid jet enables the efficient removal of material in a workpiece.
- 4 shows a section of a further rotary lance 70 for deburring and / or cleaning workpieces.
- the rotary lance 70 has a tubular lance body 72.
- the tubular lance body 72 has an axis 73 and a roof-shaped workpiece side end portion 74.
- the lance body 72 can be rotated about the axis 73 of the rotary lance 70.
- a tubular insert 76 is screwed.
- the insert 76 comprises a metal sleeve 77 extending along an axis 90 between the end sections 94, 96.
- the metal sleeve 77 extends through the interior 80 of the lance body 72. In the interior 80, the metal sleeve 77 is surrounded by fluid.
- the metal sleeve 77 has an opening 78 which connects a cavity 81 formed in the insert 76 with the interior 80 of the lance body 72 acting as a fluid channel.
- a diaphragm 84 is disposed of diamond.
- the aperture 84 may also be made of sapphire or ceramic.
- the aperture 84 has a circular opening 86 as a nozzle.
- the opening 86 acts as a nozzle 87 for the escape of a fluid jet.
- the aperture 84 is located on a flange 89 in the metal sleeve 77.
- the aperture 84 is fixed there with a holding element 88.
- the support member 88 pushes the aperture 84 against the flange 86.
- the insert 76 has an axis 90.
- the axis 90 is aligned with the opening 86 of the aperture 84.
- the axis 90 extends obliquely to the axis 73 of the rotary lance 70th
- the insert 76 has end portions 94, 96.
- the end portions 94, 96 of the received in the rotary lance 70 insert 76 are held firmly in the lance body 72. It is thereby achieved that the high pressures of fluid in the interior 80 of the lance body 72 in the insert 72 show that called mechanical stresses can be introduced into the lance body 72.
- the end portions 94, 96 of the insert 76 received in the rotary lance 70 are flush with the outer wall 79 of the lance body 72.
- the opening 86 of the nozzle 87 is positioned back relative to the outer wall 79 of the lance body 72. This has the effect that a fluid jet emerging from the nozzle 87 has a good deburring effect even in the region of the wall 79.
- opposite portion 100 of the insert 76 is closed with a plug 102 made of epoxy resin.
- FIG. 5 shows a further insert 110 for use in a lance for cleaning and / or deburring workpieces.
- the insert 1 10 has a body 1 1 1, which consists of hard metal or ceramic.
- the body 1 1 1 has a lateral opening 1 12 through which fluid can flow from a tubular lance body.
- the body 1 1 1 encloses a cavity in the form of an inner volume 1 14.
- the inner volume 1 14 extends with a conical taper to the openings 1 16, 1 18 in the insert.
- the openings 16, 118 act as nozzle openings for nozzles 120, 122.
- the body 11 1 has end portions with end faces 124, 126. With respect to these end portions, the nozzles 120, 122 are located in a recessed position.
- the geometry of the internal volume 14 avoids the occurrence of cavitation when the nozzles 120, 122 are subjected to water which is under high pressure. Cavitation is the cause of high mechanical wear of nozzles.
- the invention relates to a lance 10, 70 for deburring workpieces.
- the lance 10, 70 may be formed in particular as a rotary lance.
- the lance 10, 70 has a lance body 12, 72.
- the Lance 10, 70 comprises at least one nozzle 14, 16, 87 received on the lance body 12, 72 for generating a fluid jet.
- the lance has an interior, which is formed in the lance body 12, 72 and acts as a fluid channel 15, 80, through which fluid supplied to the nozzle 14, 16, 87 can be supplied at high pressure.
- the nozzle 14, 16, 87 is formed in an insert 38, 76, 110 which extends into the interior space (15, 80) and is fixed in the lance body 12, 72.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010040363A DE102010040363A1 (de) | 2010-09-07 | 2010-09-07 | Lanze mit Strahldüse zum Entgraten von Werkstücken |
PCT/EP2011/064688 WO2012031906A2 (de) | 2010-09-07 | 2011-08-26 | Lanze mit strahldüse zum entgraten und/oder reinigen von werkstücken |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2613913A2 true EP2613913A2 (de) | 2013-07-17 |
EP2613913B1 EP2613913B1 (de) | 2019-01-02 |
Family
ID=44511013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11748673.8A Not-in-force EP2613913B1 (de) | 2010-09-07 | 2011-08-26 | Lanze mit strahldüse zum entgraten und/oder reinigen von werkstücken |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2613913B1 (de) |
CN (1) | CN103097082B (de) |
DE (1) | DE102010040363A1 (de) |
WO (1) | WO2012031906A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023194721A1 (en) * | 2022-04-04 | 2023-10-12 | Wellcut Solutions Limited | A rotating cutting head and cutting system as well as a method of cutting a hollow, longitudinal object from within |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201413193D0 (en) | 2014-07-25 | 2014-09-10 | Rolls Royce Plc | A method and an apparatus for producing cooling apertures in a combustion chamber head |
DE102016113977A1 (de) | 2016-07-28 | 2018-02-01 | Ccc-Schilling Gmbh | Düsenkopf für eine Lanze, Lanze und Verfahren zur Herstellung eines Düsenkopfes für eine Lanze |
CN109366366A (zh) * | 2018-11-07 | 2019-02-22 | 东莞市德亿塑胶机械有限公司 | 一种毛边处理机的旋转喷枪结构 |
CN111318969A (zh) * | 2020-04-22 | 2020-06-23 | 东莞吉川机械科技股份有限公司 | 一种喷枪旋转式自动喷砂设备 |
DE102021123018A1 (de) | 2021-09-06 | 2023-03-09 | Piller Entgrattechnik Gmbh | Vorrichtung und Verfahren zum Entgraten eines Werkstücks |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4180948A (en) * | 1977-07-15 | 1980-01-01 | Stoltz Woodrow W | Internal pipeline cleaning device |
DE4015412C1 (en) | 1990-05-14 | 1991-06-20 | Lothar 3300 Braunschweig De Clavey | Metal work deburring tool - has sonde inserted into bore to discharge high pressure water |
DE9419809U1 (de) * | 1994-12-10 | 1995-01-26 | Woma Maasberg Co Gmbh W | Düseneinsatz für einen Düsenkopf einer Hochdruckwasserstrahleinrichtung |
DE19621869A1 (de) * | 1996-05-31 | 1997-12-04 | Nagel Masch Werkzeug | Verfahren und Vorrichtung zum Strahlen von Werkstückoberflächen mit einer Druckflüssigkeit |
US6564868B1 (en) * | 2000-10-16 | 2003-05-20 | Cudd Pressure Control, Inc. | Cutting tool and method for cutting tubular member |
KR200344321Y1 (ko) * | 2003-12-22 | 2004-03-09 | 주식회사 젯텍 | 디플래시장치용 초고압 액상 세척매체의 분사노즐 |
DE102005025583B4 (de) * | 2004-06-09 | 2006-11-23 | Oskar Moser Technische Edelsteine Gmbh | Wasserstrahl-Reinigungsdüse |
DE102006028393A1 (de) * | 2005-06-20 | 2007-01-04 | Hammelmann Maschinenfabrik Gmbh | Düse und Verfahren zur Bearbeitung eines Innenraumes eines Werkstücks |
DE102008012934B3 (de) * | 2008-03-06 | 2009-04-09 | Piller Entgrattechnik Gmbh | Vorrichtung zum Entgraten, Entspanen und/oder Reinigen der Kühlkanäle in einem Zylinderkopf |
-
2010
- 2010-09-07 DE DE102010040363A patent/DE102010040363A1/de not_active Withdrawn
-
2011
- 2011-08-26 WO PCT/EP2011/064688 patent/WO2012031906A2/de active Application Filing
- 2011-08-26 CN CN201180043159.6A patent/CN103097082B/zh not_active Expired - Fee Related
- 2011-08-26 EP EP11748673.8A patent/EP2613913B1/de not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2012031906A2 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023194721A1 (en) * | 2022-04-04 | 2023-10-12 | Wellcut Solutions Limited | A rotating cutting head and cutting system as well as a method of cutting a hollow, longitudinal object from within |
Also Published As
Publication number | Publication date |
---|---|
CN103097082B (zh) | 2016-08-03 |
CN103097082A (zh) | 2013-05-08 |
WO2012031906A3 (de) | 2012-06-07 |
EP2613913B1 (de) | 2019-01-02 |
WO2012031906A2 (de) | 2012-03-15 |
DE102010040363A1 (de) | 2012-03-08 |
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