EP3151986A1 - Vorrichtung zum einbringen einer sickenähnlichen einformung in einen wandbereich eines rohres - Google Patents
Vorrichtung zum einbringen einer sickenähnlichen einformung in einen wandbereich eines rohresInfo
- Publication number
- EP3151986A1 EP3151986A1 EP15724613.3A EP15724613A EP3151986A1 EP 3151986 A1 EP3151986 A1 EP 3151986A1 EP 15724613 A EP15724613 A EP 15724613A EP 3151986 A1 EP3151986 A1 EP 3151986A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- support roller
- conical
- drive shaft
- guide
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
- B21D17/04—Forming single grooves in sheet metal or tubular or hollow articles by rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
- B21H7/18—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons grooved pins; Rolling grooves, e.g. oil grooves, in articles
- B21H7/182—Rolling annular grooves
Definitions
- the invention relates to a device for introducing a bead-like indentation in a wall region of a pipe.
- the device according to the invention has a tensioning device for the rotationally fixed clamping of a tube so that the wall region of the tube in which the bead-like impressions are to be introduced is freely accessible.
- the device further comprises a rotatably mounted drive shaft, with an end facing the clamping device, wherein the drive shaft is aligned such that its axis of rotation is aligned with the longitudinal axis of the clamped tube. It is a first drive means provided for rotationally driving the drive shaft.
- a guide head mounted Concentric with the drive shaft and rotatably connected to this is a guide head mounted, which is cup-shaped with a sleeve-shaped wall.
- the guide head is aligned with the drive shaft so that it is open to the clamping device.
- a tool head is rotatably mounted, wherein the tool head is typically surrounded by the cup-shaped guide head.
- a support roller holding device is provided for supporting a freely rotatably mounted support roller, which can roll on the outside of the wall region of the pipe to be machined.
- the support roller has on its outer side a profiling which is complementary to the desired indentation of the tube.
- the device according to the invention has a freely rotatably mounted réellerollierdorn for frontal insertion into the tube.
- Such devices are known in the art z. B. from German Patent DE 197 47 657 B4 known.
- the present invention seeks to further develop a known device of the type mentioned for introducing a bead-like indentation in the wall region of a tube in that the production of the recesses from the inside of the tube is possible or at least from there is better supported.
- axial in the present description means a direction corresponding to the axis of rotation of the drive shaft or the longitudinal axis of the clamped tube or parallel offset therefrom.
- radial means perpendicular to the axial direction.
- the indentations in the tube wall can advantageously be actively designed or mitgestaltet also from the interior of the tube.
- beads can be pressed from the inside out.
- the claimed radial displaceability of the réellerollierdorns allows a high dimensional accuracy in the contours of the indentations.
- a first compression spring is provided for radially adjusting the holding device for the mecanicaldorn with its conical sliding surface against the first conical guide surface of the sleeve-shaped wall of the guide head.
- the first compression spring is advantageously used for prestressing and thus for stable, in particular clearance-free hiring the holding device for the réellerollierdorn against the guide head.
- the sleeve-shaped wall of the guide head has on its inner side in a second circumferential angle region a second guide surface extending in the axial direction with at least one conical section.
- the support roller holding device is also mounted so as to be radially displaceable on the tool head, the support roller holding device having on its radial outside a sliding surface with at least one conical section for sliding along the conical section of the second guide surface and thus for radially setting the support roller against the outside of the tube its wall area to be processed.
- a second compression spring is provided for radially adjusting the support roller holding device with its outer sliding surface against the guide surface on the inside of the sleeve-shaped wall of the guide head. Analogous to the first compression spring causes the second compression spring also biasing the support roller holding device against the inside the sleeve-shaped wall and thus a stable and in particular play-free hiring the support roller holding device.
- the second guide surface has - viewed in the axial direction - in addition to the conical portion and at least one axis-parallel portion. Unlike a conical portion of the guide surface, an axially parallel portion of the guide surface causes the slide support, here the support roller holder, to maintain its radial distance from the axis of rotation of the drive shaft while sliding along. Thus, then does not change the radial relative position between the support roller and the clamped tube.
- the axially parallel portion of the second guide surface according to the invention is the conical portion of the first guide surface - as seen in the axial direction - opposite to the same height.
- the support roller is advantageously mounted axially parallel to the drive shaft and also axially parallel to the clamped tube in the support roller holding device.
- a profiling which is complementary to the desired indentation in the pipe wall and preferably complementary to the profiling on the outside of the support roller is formed.
- FIG. 1 shows a cross section through the device according to the invention in one
- Figure 2 is an end view of the device of Figure 1;
- FIG. 3 shows a cross section through the device according to the invention in one
- Figure 4 is an end view of the device in the working position after
- FIG. 3 The first figure.
- Figure 5 shows a plan view of the device according to the invention.
- FIG. 1 shows the device 100 according to the invention for introducing a bead-like indentation into a wall region of a tube 200.
- the device comprises a tensioning device 110, in which the tube is clamped in a rotationally fixed manner.
- the edge region, in which the bead-like recesses are to be introduced, projects out of the clamping device 110 and is thus freely accessible.
- the longitudinal axis of the clamped tube is denoted by the reference L.
- a drive shaft 120 is rotatably mounted.
- the drive shaft 120 is preferably aligned so that its axis of rotation R is aligned with the longitudinal axis L of the clamped th tube 200 is aligned.
- a tool head 150 which is rotatably connected to the drive shaft 120.
- a first drive device 130 is provided, see FIG. 5.
- a cup-shaped guide head 140 is mounted concentrically to the drive shaft 120.
- the guide head 140 is rotatably mounted on the drive shaft.
- the cup-shaped guide head is aligned so that it is open to the clamping device 1 10 back.
- the space defined by the cup-shaped guide head cavity is sized so that it can accommodate the tool head 150 in itself.
- the device 100 has a Stauerrollenhalteeinnchtung 160 which is held radially displaceable on the tool head.
- the Stauerrollenhalteeinnchtung 160 serves to hold a freely rotatably mounted support roller 162.
- the support roller has at its periphery a profiling 161, which is complementary to the desired indentation 210 formed in the wall portion of the tube 200.
- the support roller 162 is held axially parallel to the longitudinal axis L of the tube 200 by the Stauerrollenhalteeinnchtung and can be made from the outside to the wall portion of the tube and roll on this.
- the device 100 has a holding device 180 for a mecanicrollierdorn 170.
- the holding device 180 is likewise mounted radially displaceable on the tool head 150 analogously to the support roller holding device 160.
- the holding device 180 has on its radially outer side a conical sliding surface 184 for sliding along on a first guide surface 144 in the sleeve-shaped wall 142 of the guide head 140.
- the first guide surface 144 is formed complementarily conical to the conical sliding surface 184 of the holding device 180 for the êtrollierdorn 170.
- the first management Surface 144 like the conical sliding surface 184 of the holding device 180, extends in the axial direction R of the drive shaft 120.
- the invention further comprises a second drive device 190, see FIG. 5, which is designed as a displacement device for axially displacing the guide head 140 relative to the drive shaft 120 relative to the tool head connected to the drive shaft 120 and relative to the holding devices 160 connected to the tool head. 180 for the support roller 162 and the mecanical displacement of the guide head 140 relative to the drive shaft 120 relative to the tool head connected to the drive shaft 120 and relative to the holding devices 160 connected to the tool head. 180 for the support roller 162 and the êtierdorn 170th
- the Stauerrollenhal- te driving 160 is a second compression spring 154 associated with the radial adjustment of the support roller holding device with its sliding surface 164 against the second guide surface 146 on the inside of the sleeve-shaped wall 142 of the guide head.
- FIG. 2 shows that the first guide surface 44 and the second guide surface 146 are formed at different circumferential angular ranges ⁇ 2, ⁇ 1 on the inside of the sleeve-shaped wall 142 of the guide head 140.
- these angular ranges for example, about 180 ° offset from each other.
- the support roller holding device 160 also has on its radial outer side a sliding surface 164 for sliding along the second guide surface and thus for radial adjustment of the support roller 162, in particular from the outside against the wall of the tube 200.
- first guide surface 144 as shown in FIG. 1, has a purely conical profile viewed in the axial direction
- the second guide surface 146 viewed in the axial direction R, also has at least one axially parallel section 146-2 adjacent to a conical section 146-1
- the paraxial portion 146-2 of the second guide surface is a portion of the conical portion 144 of the first guide surface 144 - seen in the axial direction R - opposite to the same height.
- the mecanical ness of the support roller 162 has on its outer surface to a profiling of the support roller 162 complementary profiling 172 on its outer side.
- FIG. 1 shows the device 100 according to the invention with the clamped tube 200 in an initial position.
- the tube 200 was first clamped in the clamping device 1 10.
- the free wall region of the tube 200 is still unprocessed, ie the desired bead-like recesses are not yet introduced into the wall region.
- the drive shaft 120 was moved together with the tool head 150 and the mecanicaldorn 170 mounted on the holding device 180 on the clamping device 1 10 out, so that the mecanicaldorn 170 at the end face of the tube 200 enters this.
- the support holder 160 with the axially freely rotatable support roller 162 on the outside of the tube 200 is moved into position because the support bracket 160 is also mounted on the tool head 150.
- the drive shaft 120 is moved with the tool head 150 and the holding devices 160, 180 so far on the clamping device 110 that the profilings 161 on the outside of the support roller 162 and the opposite overlying profiles 172 are positioned on the outside of the mecanicaldorns 170 at the axial position, where later the bead-like recesses are to be introduced into the wall of the tube 200.
- the drive shaft with the tool head 150 and the holding devices 160, 180 is fixed, but held rotatably.
- the guide head 140 is then also moved axially onto the tensioning device 110 into the starting position shown in FIG.
- This initial position is characterized in that the Haite issued 180 abuts the mecanical sliding surface 184 on the associated complementary purely conical Warings Colour 144, and that at the same time - analog - the support roller holder 160 with the conical portion 165 of its sliding surface 164 at the almost complementary conical Section 146-1 of the second guide surface 146 abuts.
- the holding device 180 for the mecanicaldorn 170 is pressed by the first compression spring 142 radially outwardly against the first guide surface 144 and at the same time the support roller holder 160 is pressed by means of the second compression spring 154 radially outward against the conical portion 146-1 of the second guide surface 146 ,
- the device In this initial position shown in Figure 1, the device is open insofar as in the case of Sdealfall neither the support roller 162 nor the mecanicrollierdorn 170 touch the tube, but at least not exert any forces on the wall of the tube; d. H. an editing of the tube 200 does not take place in the starting position.
- FIG. 2 shows the starting position of the machine according to FIG. 1 in an end view. It can be seen in particular that the first and the second guide surface 144, 146 of the guide head 140 are arranged distributed in different angular ranges ⁇ 1, a2 on the circumference of the guide head.
- the starting position can be recognized by the fact that the innenrollierdorn and the tube 200th are still concentric with each other; ie, the x symbolized by the longitudinal axis L of the tube 200 is aligned with the longitudinal axis R of the drive shaft 120th
- the support roller 162 and the inner roller mandrel 170 in the radial direction continue to move toward each other, the wall of the tube 200 is increasingly engulfed around.
- the radial succession-to-process of the support roller 62 and the mecanical succession-to-process of the support roller 62 and the mecanicrollierdorns 170 is carried out by an increasing further axial displacement of the guide head 140 on the stationary clamping device 1 10 out while maintaining the said axial fixation of the drive shaft with the mounted thereon fixtures 160, 180th the axial displacement of the guide head further on the stationary clamping device 1 10, slide the holding means 180 for êtrollierdorn 170 and the support roller holder 160 further along their associated first and second guide surfaces 144, 146 of the guide head 140, while both radially further inward , d. H. be moved towards each other.
- a particular situation is reached when the support roller support 160 has slid so far on the conical portion 146-1 of the second guide surface 146 until a transition point 149 is reached, in which the conical portion 146-1 in the axis-parallel portion 146-2 of the second Guide surface 146 passes.
- further axial displacement of the guide head 140 in the direction of the clamping device 110 no longer causes any further radial displacement of the support roller 162, but rather retains its radial position, ie its radial distance with respect to the wall of the tube. as long as the axis-parallel portion 166 of the sliding surface of the support roller holding device slides along the axis-parallel portion 146-2 of the second guide surface.
- the constant radius or the constant distance of the axis-parallel section 146-2 to the rotation axis R of the drive shaft 120 is selected so that when abutment of the sliding surface 166 of the support roller holding device on the sliding surface 146-2 the outside of the support roller 162 just rests against the outside of the wall of the tube 200, so that the support roller 162 on the outside the wall of the pipe can roll.
- the axially parallel portion 146-2 of the second guide surface of the conical portion 144 of the first guide surface at the same height - viewed in the axial direction R - opposite - is in a further axial movement of the guide head 140 in the direction of the clamping device 1 10 towards the inner mandrel 170th From the inside increasingly hired against the wall of the tube 200, because in the increasingly further method of the guide head 140 in the axial direction, the conical sliding surface 184 slides along the first guide surface, wherein the holding device 180 is increasingly displaced radially further.
- a continuous rotation of the drive shaft 120 takes place together with the support roller device mounted therein and the inner roller mandrel about the rotation axis R.
- the desired bead-like indentations are introduced into the wall of the tube 200 at the desired axial position.
- the support roller 162 rolls on the outside of the wall of the tube and at the same time the mecanicierdorn runs on the inside of the wall of the tube. Because the first and the second guide surface, on which the support roller holding device and the holding device for the inner roller mandrel are supported, are arranged offset by 180 ° to one another, the mecanicro lierdorn and the support rollers arranged opposite and support each other during the circulation on the wall.
- the bead-like recesses 210 are pressed on the wall of the tube to the outside.
- bead-like recesses would be feasible, which protrude into the interior of the tube; only the profiles on the support roller 162 and the mecanicaldorn would have to be changed accordingly and it would have the mecanicaldorn analogous to the support roller 162 are employed only on the inside of the tube, while the support roller is increasingly moved further radially inward.
- FIG. 4 shows the working position according to FIG. 3 in an end view.
- the schwrollierdorn 170 is moved eccentrically relative to the wall to be machined of the tube 200.
- the support roller 162 rests against the outside of the wall of the tube 200.
- both the support roller holding device 160 and the holding device 180 for the inner roller mandrel 170 are moved further radially inwards relative to the illustration shown in FIG.
- FIG. 5 shows the device according to the invention in a plan view.
- the said first drive means 130 for rotationally driving the shaft and the said second drive means 190 for axially displacing the guide head 140 can be seen.
- the second drive means 190 is in the form of a spindle drive with spindles 192, the rotational movement of which via a thread in a translational movement parallel to Rotation axis R of the drive shaft 120 is converted, which is then transmitted to the guide head 140.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Looms (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014210957.4A DE102014210957B3 (de) | 2014-06-06 | 2014-06-06 | Vorrichtung zum Einbringen einer sickenähnlichen Einformung in einen Wandbereich eines Rohres |
PCT/EP2015/061195 WO2015185363A1 (de) | 2014-06-06 | 2015-05-21 | Vorrichtung zum einbringen einer sickenähnlichen einformung in einen wandbereich eines rohres |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3151986A1 true EP3151986A1 (de) | 2017-04-12 |
EP3151986B1 EP3151986B1 (de) | 2018-03-28 |
Family
ID=53267349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15724613.3A Active EP3151986B1 (de) | 2014-06-06 | 2015-05-21 | Vorrichtung zum einbringen einer sickenähnlichen einformung in einen wandbereich eines rohres |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3151986B1 (de) |
DE (1) | DE102014210957B3 (de) |
WO (1) | WO2015185363A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105215118B (zh) * | 2015-11-03 | 2017-06-06 | 成都中电锦江信息产业有限公司 | 一种滚槽机 |
CN110788195B (zh) * | 2019-11-07 | 2020-11-24 | 江苏银羊不锈钢管业有限公司 | 不锈钢卡压管件成形工艺 |
DE202022105367U1 (de) | 2022-09-23 | 2022-10-17 | Baltec Ag | Vorrichtung zur Umformung eines Werkstücks |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2732263A1 (de) * | 1977-07-16 | 1979-02-01 | Schuler Gmbh L | Vorrichtung zum herstellen einer sicke am umfang eines hohlzylinders |
DE2847736A1 (de) * | 1978-11-03 | 1980-05-22 | Schuler Gmbh L | Vorrichtung zum herstellen einer sicke am umfang eines hohlzylinders |
US5467627A (en) * | 1994-01-05 | 1995-11-21 | Wauseon Machine And Manufacturing, Inc. | End finisher machine |
US6041634A (en) * | 1997-10-21 | 2000-03-28 | Detroit Diesel Corporation | Portable bead roller |
DE19747657B4 (de) * | 1997-10-29 | 2007-06-21 | Transfluid Maschinenbau Gmbh | Sickenmaschine |
-
2014
- 2014-06-06 DE DE102014210957.4A patent/DE102014210957B3/de not_active Expired - Fee Related
-
2015
- 2015-05-21 WO PCT/EP2015/061195 patent/WO2015185363A1/de active Application Filing
- 2015-05-21 EP EP15724613.3A patent/EP3151986B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
WO2015185363A1 (de) | 2015-12-10 |
DE102014210957B3 (de) | 2015-09-03 |
EP3151986B1 (de) | 2018-03-28 |
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