WO2004054739A1 - Verschlusschraube aus metallischen werkstoff, verfahren zu deren herstellung, rohling dafür sowie werkzeug dazu - Google Patents
Verschlusschraube aus metallischen werkstoff, verfahren zu deren herstellung, rohling dafür sowie werkzeug dazu Download PDFInfo
- Publication number
- WO2004054739A1 WO2004054739A1 PCT/EP2003/013470 EP0313470W WO2004054739A1 WO 2004054739 A1 WO2004054739 A1 WO 2004054739A1 EP 0313470 W EP0313470 W EP 0313470W WO 2004054739 A1 WO2004054739 A1 WO 2004054739A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- blank
- diameter
- screw plug
- tool
- tube
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M11/0408—Sump drainage devices, e.g. valves, plugs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/12—Forming profiles on internal or external surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
- B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K21/00—Making hollow articles not covered by a single preceding sub-group
- B21K21/08—Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs
Definitions
- Screw plug made of metallic material, process for its production, blank for it and tool therefor
- the invention relates to a screw plug made of metallic material for a liquid line - in particular for an oil line or an oil vessel - with a cylindrical shaft containing an external thread on a ridge plate, in which a blind polygonal cross-section is provided centrally as a receiving element for a tool.
- the invention includes a method and a blank for producing this screw plug and a tool for producing it.
- Screw plugs of this type are used primarily in motor vehicles and must therefore be produced in large numbers. So far, it has proven to be favorable that they are manufactured in at least three manufacturing stages. To improve this is the object of the invention.
- the shaft is designed as a tube stub provided with the external thread, and a newly designed blind hole coaxial with the usual blind hole of the ridge plate extends from the end face of the shaft of the locking screw. It is particularly important that with a phase section inclined axially from the ridge plate - at a longitudinal angle of preferably 30 ° - and widening towards the ridge as a transition to the pipe stub, the tubular foot contour of this phase section at the same time - constructively - inner attachment line for the radial over this contour protruding external thread should be. For the rest, a diameter of the foot contour of the phase section of 19.5 mm is preferred.
- the deepest hole of the blind hole of the pipe stub have a cross section inclined from its wall surface to the longitudinal axis of the screw;
- the depth of the wall surface should advantageously be approximately 8 mm, in particular 7.8 mm.
- the diameter of the blind hole measures approximately 14 mm and the outer diameter of the external thread approximately 21 mm; the dimensions should in particular capture the values of 13.8 mm and 20.97 mm.
- the shape of the screw plug according to the invention also includes that at least one phase edge, and preferably one on both sides, is assigned to the free pipe edge of the pipe stub, the phase edge inclined away from this pipe edge towards the ridge plate, the outer phase edge being intended to pass into the external thread.
- a method for producing this screw plug in which a blank is produced with a cylindrical pipe stub molded onto a ridge plate, the inside diameter and outside diameter of which are shaped shorter than the intended diameter of the screw plug corresponding to this; the stub of the blank is expanded while simultaneously creating pressure on the inner wall surface of its blind hole.
- a pressure ram is driven into the blind hole of the blank pipe stump as a mandrel tool and the wall of the pipe stump is radially expanded by this.
- the blank used in the process to manufacture the screw plug is connected to the ridge plate by a cylindrical stub of an outer diameter and a diameter of the blind hole, the dimensions of which are shorter than those of the outer diameter and the hole diameter of the actual screw plug; the diameter of the blind hole should measure approximately 12 mm and the outer diameter of the pipe stub approximately 19 mm, preferably 19.2 mm.
- the dimensional difference to the end product is compensated for by the expansion process.
- the outer diameter of the tube stump on the blank is shorter than the base diameter of the phase section " on the screw plug; the latter - and the phase section of the blank - should form an angle with the blank longitudinal axis, which preferably eats about 30 °.
- the tube edge of the tube stump is also assigned a phase edge inclined away from the tube edge on both sides, the outer phase edge merging into the cylindrical outer tube surface.
- a tool with which the blank can be formed in a simple manner is also of inventive importance;
- a pressure stamp as a mandrel tool is fixed at one end in a housing and the free end of which is assigned a carrying or holding head which is arranged to be movable relative thereto and has a receptacle for a blank; whose axis runs in the central axis of the tool or the pressure stamp.
- a stationary base plate is provided at that end of the sleeve-like housing that is remote from the carrying or holding head, which forms an abutment for the pressure stamp seated on it.
- the free end of the pressure stamp which is partially encompassed by a stamp tube, is intended to engage in a central bore in the carrying or holding head, a pressure head of the pressure stamp then projecting axially beyond the mouth of the stamp tube.
- this stamp tube sits on the other side - preferably with a plate foot - of a stationary stand sleeve of the tool, which forms a contact surface for the pressure stamp passing through the stand sleeve.
- a central pressure base can be formed on that base plate, which forms a common abutment for the pressure stamp and the stand sleeve.
- the carrying or holding head of the tool prefferably be seated on a sliding sleeve which is coaxially assigned to the pressure stamp and the standing sleeve.
- the diameter of the pressure base should then correspond approximately to the seated diameter of the sliding sleeve.
- the latter also has, on a foot section assigned to the pressure base, a head section which is radially widened relative to the latter and is intended to be held with the holding head by a guide chuck and to be arranged so as to be axially movable relative to the housing.
- an energy store is arranged between these tool parts, in particular a profile element made of elastic material. This profile element is preferably placed in a ring around the pressure base of the base plate and can be produced from material strands of different cross-sectional shapes.
- the blank sitting in the carrying or holding head can be pressed onto the print head of the printing stamp during its axial movement, the diameter of the printing stamp being larger than the diameter of the blind hole in the blank, i.e. when the pressure stamp is inserted, the blank expands.
- FIG. 3 a representation corresponding to FIG. 2 of the blank for producing the screw plug
- FIG. 5 the representation of the tool corresponding to FIG. 4 at the end of the molding process with the locking screw produced
- Fig. 6 the longitudinal section through the press stamp with the associated blank.
- a screw plug 10 for an oil line not shown for reasons of clarity or an oil tank of a motor vehicle has a plate-like ridge plate 12 with an axial height b of 4.5 mm and a diameter d of approximately 27 mm, which is axially formed on the longitudinal axis A of the screw plug 10 Pipe stub 14 of the outer diameter f of 20.97 mm; the axial height a of the screw plug 10 measures 19 mm, from which a height c of the pipe stub 14 of 14.5 mm is calculated.
- Longitudinal axis A of the screw - seen in cross-section - is centrally inclined, i.e. forms a flat-conical surface. That tube edge 16 accompanies an inclined phase edge 15 toward the blind hole 18.
- Such an inclined phase edge 17 also surrounds the tube edge 16 from the outside and merges into an external thread 22 of that external diameter f of 20.97 mm and the height h of 12 mm.
- the upper edge of the external thread 22 is followed by a molded-in phase section 24 of axial height i of 2.5 mm, which widens conically to the ridge plate 12 at a cross-sectional angle w of 30 ° (see FIG. 3). Its edge diameter g measures 19.5 mm.
- the external thread 22 attaches to the tubular foot contour 25 of the phase section 24 and projects radially beyond it.
- a blank 34 made of metal (for example, of 19 MnB 4 ), shown in FIG. 3, is produced from the ridge plate 12, which contains the ridge pocket hole 28, and a cylindrical pipe stub 36 molded onto it. while the ridge plate 12 in its and its blind hole 30 dimensions (b, d, y, z) corresponds to that of the finished screw plug 10, the pipe stub 36 of the blank 34 is underneath the pipe stub 14 designed differently.
- the outer tube surface 38 here starts at the end of the inclined phase section 24, which is also distant from the ridge plate 12; the diameter fi of their cylinder contour is 19.2 mm, that is to say 1.77 mm shorter than the outer diameter f on the finished screw plug 10.
- the diameter e x of the existing in the blank 34 , adjoining the inner phase edge 15 a of the tube edge 16 a Blind hole 18 a measures 12 mm, that is 1.8 mm shorter than the diameter e on the finished screw plug 10.
- the outer phase edge is here designated 17 a .
- the pipe stub 36 is expanded precisely to the pipe stub 14, for example by driving a mandrel into the blind hole 18 a and generating pressure on the latter wall surface 19 a , the external thread 22 being able to be formed without problems.
- a tool 40 for a preferred way of producing the screw plug 10 can be seen in FIGS. 4 to 6.
- a base plate 44 with a centrally formed pressure base 46 with a diameter qi of 60 mm and a height ni of 21.5 mm and with a radial stepped bore 45 is assigned to a cylindrical tool housing 42 of, for example, the outside diameter q of 120 mm.
- This axial bore 47, 47 t receives a pressure ram 50 as a mandrel tool which, above the stand sleeve 48, encompasses a ram tube 54 of length n of almost 60 mm from a tube section 55 with this plate base 57 of diameter t 3 of approximately 40 mm formed on one end; the outer tube diameter t 2 measures 21 mm, the inner diameter t of the tube interior 58 is approximately 14 mm.
- an axially parallel bore 49 of narrower diameter also runs in the stand sleeve 48 and is aligned with a corresponding bore 49 a in the base plate 44.
- a sliding sleeve 60 with a height of approximately twice the length n 2 mentioned is attached on the outside; the lower edge 62 sits in FIG. 5 on the central pressure base 46 of the base plate 44.
- the cylindrical outer surface of the lower half or the foot section 64 t of the sliding sleeve 60 continues the outer surface of the pressure base 46 and delimits a cylindrical cavity 63.
- a wider head section 64 begins at a distance n approximately equal to the length n 2 of the stand sleeve 48 from that lower edge 62 the sliding sleeve 60, ' which carries on its ridge end 66 a holding head 68 - tapering cross-section - with a central bore 70; this receives the upper end of the tube section 55 of the stamping tube 54, the outer diameter t 2 of which determines the diameter of the bore 70.
- the height n 3 of the holding head 68 is slightly shorter than the length n 2 of the stand sleeve 48.
- a sleeve-like guide chuck 80 fills the intermediate space. This encompasses the sliding sleeve 60 and the holding head 64 coherently and can be axially displaced together with these inner parts as a unit in the tool housing 42 become. In the area of that cavity 63 it is equipped with a thread 81 for a screw sleeve 84 which runs in that cavity 63.
- a guide edge of the housing 42 directed towards the central axis M is designated, 41 a radial guide member which engages in an axially parallel guide recess 82 of the guide chuck 80.
- the ridge section of the bore 70 is cross-sectionally adapted to the design of the screw plug 10, i.e. the diameter of the bore 70 corresponds - with little play - to the outer diameter f of the pipe stub 14 of the locking screw 10 and widens approximately at a distance corresponding to the axial height b of the ridge plate 12 from the end face 76 of the holding head 68 from a conical ring plane 72 of the bore wall 71 - corresponding to the inclined phase sections 24 of the locking screw 10 - up to a step 74, on which the ridge plate 12 of the blank 34 is placed according to FIG. 4.
- the circumference of its stub 36 extends at an annular distance from the bore wall 71 of the central bore 70.
- the phase edge 15 a of the blank 34 - at a distance from the mouth edge 56 of the tube section 55 - on the corresponding inwardly inclined ridge or phase edge 51 of the end section or printhead 52 of the printing stamp 50 which projects above the mouth edge 56 of the stamp tube 54 accordingly ,
- the diameter of this base 51 corresponds to the diameter e of the blind hole 18 of the screw plug 10, that is to say it is larger than the corresponding diameter ei on the blank 34.
- the guide chuck 80 is lowered within the housing 42 in the direction of the shape x towards the base plate 44 against a profile ring, indicated at 78, of a circular cross section made of elastic material, ie the distance s between them is reduced, the stamp - or print head 52 of the standing plunger 50 penetrates into the blind hole 18 a of the blank 34 and widens the pipe stub 36 until its outer surface 38 abuts the bore wall 71 of the bore 70.
- the dimension k of here 7 mm of the pressure path is shown in FIG. recognizable.
- the profile ring 78 arranged between the base plate 44 and the guide plate 80 can also be designed differently in cross-section than that outlined in FIG. 5; if necessary, it is designed as a hollow profile.
- the not yet finished screw plug 10 r is removed from the holding head 68 and its expanded stub 36 is equipped with the external thread 22; then the screw plug 10 is ready for use.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Forging (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT03813103T ATE516904T1 (de) | 2002-12-16 | 2003-11-29 | Verschlusschraube aus metallischen werkstoff, verfahren zu deren herstellung, rohling dafür sowie werkzeug dazu |
EP03813103A EP1572394B1 (de) | 2002-12-16 | 2003-11-29 | Verschlusschraube aus metallischen werkstoff, verfahren zu deren herstellung, rohling dafür sowie werkzeug dazu |
US10/539,925 US20060153661A1 (en) | 2002-12-16 | 2003-11-29 | Screw plug made of a metallic material, method for the production thereof, corresponding blank and corresponding tool |
AU2003303028A AU2003303028A1 (en) | 2002-12-16 | 2003-11-29 | Screw plug made of a metallic material, method for the production thereof, corresponding blank, and corresponding tool |
US13/184,742 US9567882B2 (en) | 2002-12-16 | 2011-07-18 | Screw plug made of a metallic material, method for the production thereof, corresponding blank, and corresponding tool |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10258994 | 2002-12-16 | ||
DE10258994.1 | 2002-12-16 | ||
DE10321544.1 | 2003-05-14 | ||
DE10321544A DE10321544A1 (de) | 2002-12-16 | 2003-05-14 | Verschlussschraube aus metallischem Werkstoff, Verfahren zu deren Herstellung, Rohling dafür sowie Werkzeug dazu |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10539925 A-371-Of-International | 2003-11-29 | ||
US13/184,742 Division US9567882B2 (en) | 2002-12-16 | 2011-07-18 | Screw plug made of a metallic material, method for the production thereof, corresponding blank, and corresponding tool |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004054739A1 true WO2004054739A1 (de) | 2004-07-01 |
Family
ID=32598077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/013470 WO2004054739A1 (de) | 2002-12-16 | 2003-11-29 | Verschlusschraube aus metallischen werkstoff, verfahren zu deren herstellung, rohling dafür sowie werkzeug dazu |
Country Status (5)
Country | Link |
---|---|
US (2) | US20060153661A1 (de) |
EP (1) | EP1572394B1 (de) |
AU (1) | AU2003303028A1 (de) |
PL (1) | PL205265B1 (de) |
WO (1) | WO2004054739A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019116338B3 (de) * | 2019-06-17 | 2020-08-20 | SF Handels- und Besitzgesellschaft mbH | Verfahren zur Herstellung eines Schraubelementrohlings sowie eines Schraubelements und Schraubelementrohling sowie Schraubelement |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD752839S1 (en) * | 2013-11-04 | 2016-03-29 | Deep Wood Brew Products, LLC | Mini-keg growler neck without cap |
US9428720B2 (en) | 2013-11-08 | 2016-08-30 | Deep Wood Brew Products, LLC | Mini-keg growler |
CN104121058B (zh) * | 2014-07-10 | 2018-07-20 | 安徽江淮汽车集团股份有限公司 | 一种发动机润滑系统及其油道密封组件 |
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JPS57151246U (de) | 1981-03-20 | 1982-09-22 | ||
EP0404570A2 (de) * | 1989-06-21 | 1990-12-27 | Ngk Spark Plug Co., Ltd | Verfahren zur Herstellung eines Hohlkörpers |
EP0461344A1 (de) | 1990-06-15 | 1991-12-18 | Dr.Ing.h.c. F. Porsche Aktiengesellschaft | Ablassschraube |
US20020162407A1 (en) * | 2001-05-07 | 2002-11-07 | Scott Nightlinger | Oil drainage structure for a combustion engine crank case or the like, and method for oil drainage |
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-
2003
- 2003-11-29 US US10/539,925 patent/US20060153661A1/en not_active Abandoned
- 2003-11-29 EP EP03813103A patent/EP1572394B1/de not_active Expired - Lifetime
- 2003-11-29 WO PCT/EP2003/013470 patent/WO2004054739A1/de not_active Application Discontinuation
- 2003-11-29 PL PL375866A patent/PL205265B1/pl unknown
- 2003-11-29 AU AU2003303028A patent/AU2003303028A1/en not_active Abandoned
-
2011
- 2011-07-18 US US13/184,742 patent/US9567882B2/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB806387A (en) * | 1956-02-24 | 1958-12-23 | American Radiator & Standard | Improvements in or relating to the cold working of metal |
US3189209A (en) * | 1963-05-21 | 1965-06-15 | Thatcher Glass Mfg Company Inc | Closure for containers |
GB1274754A (en) | 1969-03-25 | 1972-05-17 | Adams & Sons Manufacturers Ltd | New and improved method of making plugs for radiators and the like |
EP0036050A1 (de) * | 1980-03-19 | 1981-09-23 | Ford Motor Company Limited | Verfahren zur Herstellung von Zündkerzengehäusen |
JPS57151246U (de) | 1981-03-20 | 1982-09-22 | ||
EP0404570A2 (de) * | 1989-06-21 | 1990-12-27 | Ngk Spark Plug Co., Ltd | Verfahren zur Herstellung eines Hohlkörpers |
EP0461344A1 (de) | 1990-06-15 | 1991-12-18 | Dr.Ing.h.c. F. Porsche Aktiengesellschaft | Ablassschraube |
US20020162407A1 (en) * | 2001-05-07 | 2002-11-07 | Scott Nightlinger | Oil drainage structure for a combustion engine crank case or the like, and method for oil drainage |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019116338B3 (de) * | 2019-06-17 | 2020-08-20 | SF Handels- und Besitzgesellschaft mbH | Verfahren zur Herstellung eines Schraubelementrohlings sowie eines Schraubelements und Schraubelementrohling sowie Schraubelement |
WO2020254011A1 (de) | 2019-06-17 | 2020-12-24 | SF Handels- und Besitzgesellschaft mbH | Verfahren zur herstellung eines schraubelementrohlings sowie eines schraubelements und schraubelementrohling sowie schraubelement |
CN114126780A (zh) * | 2019-06-17 | 2022-03-01 | Sf贸易和就业有限公司 | 用于制造螺纹元件坯件和螺纹元件的方法以及螺纹元件坯件和螺纹元件 |
CN114126780B (zh) * | 2019-06-17 | 2024-09-24 | Sf贸易和就业有限公司 | 螺纹元件坯件和螺纹元件以及其制造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1572394A1 (de) | 2005-09-14 |
US20060153661A1 (en) | 2006-07-13 |
US9567882B2 (en) | 2017-02-14 |
AU2003303028A1 (en) | 2004-07-09 |
PL205265B1 (pl) | 2010-03-31 |
EP1572394B1 (de) | 2011-07-20 |
PL375866A1 (en) | 2005-12-12 |
US20110314887A1 (en) | 2011-12-29 |
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