EP2468430A1 - Dispositif de traitement de tuyaux - Google Patents

Dispositif de traitement de tuyaux Download PDF

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Publication number
EP2468430A1
EP2468430A1 EP11185075A EP11185075A EP2468430A1 EP 2468430 A1 EP2468430 A1 EP 2468430A1 EP 11185075 A EP11185075 A EP 11185075A EP 11185075 A EP11185075 A EP 11185075A EP 2468430 A1 EP2468430 A1 EP 2468430A1
Authority
EP
European Patent Office
Prior art keywords
tube
pipe
sleeve
recess
punch tool
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
Application number
EP11185075A
Other languages
German (de)
English (en)
Other versions
EP2468430B1 (fr
Inventor
Oscar Mcaven
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2468430A1 publication Critical patent/EP2468430A1/fr
Application granted granted Critical
Publication of EP2468430B1 publication Critical patent/EP2468430B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders

Definitions

  • the present invention relates to a pipe processing apparatus comprising a punch tool for applying circumferential embossing and / or circumferential punching to a pipe end portion of a pipe.
  • Such devices are used in particular when editing ventilation pipes. It is known to connect ventilation pipes by telescoping each other. For this purpose, the Rohrendabites a pipe is inserted into the other tube and secured against unintentional loosening. Securing the connection of both tubes can be done by self-tapping screws, rivets or the like. Furthermore, it is known to secure the connection of the tubes by means arranged on the respective Rohrendabitesen locking means against accidental release of the connection. On the pipe wall of the respective outer pipe end portion to circumferential embossing and / or circumferential punching are arranged. These locking means engage with further arranged on the inserted tube locking means into engagement and lock or lock so the two tubes when nesting automatically with each other.
  • the circumferential embossing and / or circumferential punches are usually attached to the tube end portion of the respective outer tube by inserting the punching tool such as embossing and / or punching forceps into the tube end portion and embossing the tube wall of the tube end portion at the desired positions and / / or punched out.
  • the punching tool such as embossing and / or punching forceps
  • US Pat. No. 7,013,699 B1 is a tool and a method for connecting pipes known.
  • the tool has a jaw with an adjustable by means of a Allen key stamp. By means of the punch corresponding depressions can be embossed into the pipe wall.
  • the other jaw has a V-shaped recess which serves as an abutment against the punch tip.
  • document JP 2002-153 919 A shows a molding tool and a manufacturing method for cylindrical products, wherein the outer wall of a blank is punched at the same time from three directions.
  • the disadvantage is that with the known devices, a precise positioning of the circumferential embossing and / or circumferential punching can only be guaranteed if the pipe edge is aligned according plan and perpendicular to the longitudinal axis of the tube, since usually serves as a reference for positioning the punch tool, the pipe end itself. If the pipe edge is not sufficiently flat and / or the plane spanned by the pipe end is not exactly perpendicular to the longitudinal axis, the circumferential embossments and / or circumferential punches will not be at the required positions, namely preferably exactly on a plane perpendicular to the longitudinal axis of the pipe, on the pipe wall appropriate. This has the consequence that a reliable locking of the pipe sections can not be guaranteed.
  • the tube processing device comprises a template having an insertable into the pipe end pipe sleeve with at least one investment area, wherein the investment area for limiting the insertion depth of the pipe sleeve by means of positive engagement between the investment area and at least a partial region of a pipe end of the pipe end section facing the contact region and for positioning the stamping tool in a working position on the pipe end section is designed and arranged as a punch tool counterpart.
  • the tube end it is possible to precisely and accurately attach the circumferential embossments and / or circumferential punches to the tube section, even if the tube end is not oriented perpendicular to a longitudinal axis of the tube and / or has unevenness.
  • the workload for example, when installing ventilation duct systems, greatly reduced.
  • the pipes can be cut to the desired length, for example by means of a cut-off grinder.
  • the tool according to the invention is extremely compact, so that it is easy to handle even in confined spaces.
  • An expedient embodiment of the invention is characterized in that the abutment region is arranged circumferentially on the tube sleeve. In this way, the largest possible contact surface between the contact area and the portion of the pipe end is created. Furthermore, the position of the template is clearly defined relative to the pipe end after insertion of the pipe sleeve and can even with an unintentional twisting of the template about the longitudinal axis no longer lead to a displacement of the template in the direction of the longitudinal axis.
  • a preferred embodiment of the invention is characterized in that the abutment region has at least one recess, which is designed and set up for the form-fitting lateral accommodation and guidance of the stamping tool.
  • the stamping tool is not only aligned and exactly positioned in the longitudinal axial direction, that is to say in the direction of a longitudinal axis of the tube, but is also guided laterally with respect to the desired position of the circumferential embossing and / or circumferential punching along the circumference of the tube.
  • a further expedient embodiment of the invention is characterized in that the tube sleeve has at least one longitudinal axial recess which is set up to form a receiving space between the tube sleeve and a tube wall of the tube end portion along at least a portion of the tube sleeve.
  • the longitudinal axial recess and the corresponding receiving space allow easy removal of the template from the tube end portion after machining the tube wall by means of the punch tool.
  • the outer diameter of the tube sleeve can be selected as large as possible, without the tube sleeve clamped after attaching the Monsoniagungen and / or circumferential punches in the Rohrendabites so that the tube sleeve is inserted under close fit in the Rohrendabites.
  • This offers the advantage that the tube sleeve can be inserted largely free of play in the pipe end and in this way possible angular errors due to a not exactly parallel alignment of the pipe sleeve are excluded to the longitudinal axis.
  • the tube sleeve has at least one recess which is arranged and arranged such that the tube sleeve unhindered by a punch and / or a die of the punch tool in the working position for attaching the personnelsciosgungen and / or the peripheral punches passable.
  • the template is passable at the intended positions for the punch tool or its punch and die, so that the punch tool is indeed alignable and positionable by means of the template, but at the same time the function of the punch tool on the part of the template is neither limited nor hindered.
  • a further expedient embodiment of the invention is characterized in that the recess of the tubular sleeve, the longitudinal axial recess and the recess of the contact region are arranged at least substantially longitudinally to each other. This is particularly advantageous because the tube sleeve can be removed after machining the tube wall by simply moving the template in the direction of the longitudinal axis of the Rohrendabites.
  • the tubular sleeve has a plurality of recesses and / or longitudinal axial recesses and / or recesses of the contact area, which are each arranged symmetrically with respect to a longitudinal axis of the tube. Consequently, the circumferential embossing and / or the circumferential punching are arranged according to the processing of the pipe wall according to symmetry, so that they can take in their function as a locking means evenly any tensile forces between the interconnected pipe sections.
  • a further preferred embodiment of the invention is characterized in that the stamp tool counterpart is formed corresponding to a contact surface of the punch tool.
  • This has a particularly advantageous effect on the ease of handling and the accuracy of the positioning of the stamping tool. Due to the geometric coordination of the contact surface with respect to the geometry of the punch tool position and vice versa, it is ensured that the punch tool can be arranged precisely at a designated position on the pipe end section in order to provide the pipe wall with the circumferential embossing and / or circumferential punching can.
  • a particularly preferred embodiment of the invention is characterized in that a spring element is arranged in at least one of the recesses.
  • a spring element is arranged in at least one of the recesses.
  • FIG. 1 shows an embodiment according to a preferred embodiment of a pipe processing apparatus 10 according to the invention in section.
  • the tube processing apparatus 10 comprises a stamping tool 11 for attaching peripheral embossments 12 and / or circumferential punches 12 to a tube end portion 13 of a tube 14.
  • the present invention is particularly suitable for attaching circumferential embossments 12 and / or circumferential punches 12 in ventilation tubes, wherein the circumferential embossments 12 and / or circumferential punches 12 serve as a locking means to lock a connection between the respective pipe section 13 with another pipe against accidental loosening.
  • the present invention is not exclusive to the machining of ventilation pipes limited, but also suitable for any other type of pipe.
  • the shape of the pipe cross-section does not necessarily have to be circular, but rather any other arbitrary pipe cross-sectional shape is suitable.
  • the tube processing apparatus 10 comprises a template 19, which has a tube sleeve 15 with a contact region 16.
  • the outer tube diameter is at least smaller than the inner diameter of the tube end section 13.
  • the outer diameter of the tube sleeve 15 is preferably slightly smaller than the inner diameter of the tube end section 13 such that the tube sleeve 15 is largely free of play in the tube end section 13 is inserted.
  • a plurality of tube sleeves 15 are accordingly provided with an outer diameter corresponding to the respective inner diameter of the respective tube section 13.
  • One end of the tube sleeve 15 has a contact region 16 which is designed and arranged to limit the insertion depth of the tube sleeve 15 into the tube end section 13.
  • the contact region 16 has an outer dimension which is greater than the inner diameter of the pipe end section 13, so that the contact region 16 limits the insertion depth of the tubular sleeve 15 by positive engagement with at least a portion of a pipe end 17 of the pipe section 13 facing the contact region 16. Is the pipe end 17, in the FIG.
  • the template 19 is formed with the tube sleeve 15 and the contact area 16 and set up that the template 19 on the one hand aligned parallel to the longitudinal axis 18 and on the other hand, the insertion depth by partial positive engagement between the contact area 16 and the pipe end 17 is exactly defined.
  • the abutment portion 16 is formed as a stamp tool counter 20 and set up.
  • the abutment region 16 serves as an abutment and positioning aid for the stamping tool 11.
  • the punch tool 11 is partially inserted in the working position in the pipe section 13 and surrounds the tube wall 21 of the pipe section to be machined 13, wherein the working position of the punch tool 11 by the punch tool counter 20 and a corresponding contact surface 28 of the punch tool 11 is fixed.
  • the contact area 16 describes - regardless of the outer shape of the pipe end 17 - a plane which is perpendicular to the longitudinal axis 18. Consequently, the punch tool 11 is positioned in a similar manner in each of the working positions with respect to a reference plane 22 oriented perpendicular to the longitudinal axis 18.
  • the abutment region 16 may be formed, for example, as a completely or partially circumferential and outwardly extending edge, for example in the form of a flanged edge.
  • the tube sleeve 15 and the contact area 16 are made as a turned part.
  • the abutment area 16 is not as in the FIG. 1 shown at the one end of the tube sleeve 15, but arranged at an arbitrary position on the outer wall of the tube sleeve 15.
  • the FIG. 2 shows a perspective view of the present invention.
  • the contact region 16 is arranged circumferentially on the tube sleeve 15.
  • the contact region 16 has one or more recesses 23.
  • the recesses 23 arranged symmetrically to the longitudinal axis 18.
  • the recesses 23 serve for the lateral guidance and reception of the stamping tool 11.
  • the lateral guidance of the stamping tool 11 is effected by positive locking between the stamping tool 11 and the recess 23.
  • the stamping tool 11 and the recesses 23 are consequently arranged corresponding to one another.
  • the recess 23 extends only over that part of the contact area 16, which is located outside the actual pipe cross-section of the tube 14.
  • the tube sleeve 15 has one or more longitudinal axial depression (s) 24, wherein longitudinal axial means that the depression is arranged at least substantially parallel to the longitudinal axis 18.
  • the recess 24 and the tube wall 21 form a corresponding receiving space 29.
  • the receiving space 29 ensures that the template 19 can be pulled out of the tube end portion 13 unhindered after the processing of the tube wall 21 with the punch tool 11. If circumference embossings on the pipe wall 21 are deflected by means of the punch tool 11, then the pipe wall 21 is deformed inwards, that is to say towards the longitudinal axis 18.
  • the receiving space 29 is adjusted accordingly.
  • the above-described function fulfills the receiving space 29 likewise when attaching circumferential punches 12 to the tube wall 21.
  • punching out separate material parts finds sufficient space in the receiving space 29, so that the tube sleeve 15 is easily removed from the Rohrendabêt 13 after punching.
  • the recess 24 has, for example, the shape of an elongated channel. However, it is also any other cross-sectional shape of the recess 24 suitable, which ensures a corresponding size of the receiving space 29.
  • the recess 24 is not aligned longitudinally axial, but extends spirally over the circumference of the tube sleeve 15.
  • the pipe sleeve after machining with the punch tool 11 by means of a rotary / pulling movement of the pipe end 13 is removable.
  • the longitudinal axial recess 24 extends along a portion of the tube sleeve 15th
  • the tube sleeve 15 has at least one recess 25.
  • the recess 25 is formed and arranged in such a way corresponding to the punch tool 11, that the tube sleeve 15 is freely passable by a punch 26 and a die 27 for attaching the peripheral embossments 12 in the working position.
  • the punch 26 or the die 27 is preferably set up in such a way that the circumferential embossing 12 or the circumferential punching corresponds to a predetermined pattern.
  • circumferential punches 12 which are designed as locking means for locking a pipe connection.
  • the recess 25 is consequently arranged in the region of the tubular sleeve 15, on which after insertion of the tubular sleeve 15 into the tube end section 13 a deformation and / or punching of the tube wall 21 is to take place.
  • the position of the recess 25 in conjunction with the punch tool counter 20, the contact surface 28 and the geometry of the punch tool 11 is tuned such that the punch 26 and the die 27 in the region of the recess 25 freely through the tube sleeve 15 for processing the Tube wall 21 can pass.
  • the size of the recess 25 is selected according to the size of the punch 26 and the die 27.
  • the recess 25 can also be selected larger than the relevant dimensions of the punch tool 11.
  • the recess 25 may extend over the entire length of the tube sleeve 15 at most, so that in this case no longitudinal axial recess 24 is provided, since the recess 25 ensures the easy removal of the tube sleeve 15 after machining the tube wall 21 with the punch tool 11.
  • the recess 25 extends only over a partial region of the tubular sleeve 15, so that at least at the end of the tubular sleeve 15 a web is left, wherein the web is preferably formed such recessed that a clamp-free removal of the template 19 after attaching the peripheral embossments 12 is possible.
  • the recess 25 of the tubular sleeve 15, the longitudinal axial recess 24 and the recess 23 of the contact region are arranged longitudinally to each other.
  • the recess 25, the longitudinal axial recess 24 and the recess 23 are not arranged parallel to the longitudinal axis 18, but are arranged inclined at an angle to the longitudinal axis 18. In this case, they extend along a helical line running around the tubular sleeve 15, the pitch of which essentially depends on the size of the angle relative to the longitudinal axis 18.
  • the tube sleeve 15 has a plurality of recesses 25, longitudinal axial recesses 24 and / or recesses 23 of the contact area 16. Preferably, these are each arranged symmetrically with respect to the longitudinal axis 18 of the tube 14.
  • a pipe sleeve 15 according to the invention is shown, which has a total of four recesses 25, four recesses 24 and four recesses 23.
  • the number is not limited to four, but arbitrary selectable.
  • the plunger tool counter 20 is formed corresponding to a contact surface 28 of the punch tool 11, so that the plunger tool counter 20 rests as flat as possible on the contact surface 28.
  • the punch tool counter 20 and the abutment surface 28 can of course not only, as in the FIG. 1 be shown, each formed as a flat surface, but possibly also include other forms, provided that they are set up to correspond to each other.
  • the contact surface 28 of the punch tool 11 may be formed as a recess into which the punch tool counter 20 engages positively.
  • FIG. 3 shows a perspective view of a second preferred embodiment of the invention.
  • the spring element 30 is formed as spring steel or alternatively made of any other material with resilient action.
  • at least one of the spring elements 30 is arranged in each of the continuous recesses 25, so that they exert on the remaining between the recesses 25 portions of the tube sleeve 15 a corresponding hoop stress that push said portions of the tube sleeve 15 radially outward.
  • the tube sleeve 15 is formed slightly tapered starting from the contact area 16 and optionally bevelled at the end of the tubular sleeve 15.
  • the chamfer serves to facilitate the insertion of the tube sleeve 15 into the tube end section 13, while the conical widening causes the tube sleeve 15 to be compressed to some extent upon insertion into the tube end section 13 and the said ring tension can be built up by means of the spring elements 30.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
EP11185075.6A 2010-12-27 2011-10-13 Dispositif de traitement de tuyaux Not-in-force EP2468430B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010056449A DE102010056449B4 (de) 2010-12-27 2010-12-27 Rohrbearbeitungsvorrichtung

Publications (2)

Publication Number Publication Date
EP2468430A1 true EP2468430A1 (fr) 2012-06-27
EP2468430B1 EP2468430B1 (fr) 2013-12-11

Family

ID=44789357

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11185075.6A Not-in-force EP2468430B1 (fr) 2010-12-27 2011-10-13 Dispositif de traitement de tuyaux

Country Status (3)

Country Link
US (1) US20120164260A1 (fr)
EP (1) EP2468430B1 (fr)
DE (1) DE102010056449B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109158491A (zh) * 2018-10-28 2019-01-08 湖州剑力金属制品有限公司 冲压件冲压用导向装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024101A1 (fr) * 1979-08-09 1981-02-25 Arvin Industries, Inc. Jonction mécanique et procédé pour joindre mécaniquement deux pièces
US6269674B1 (en) * 1999-08-19 2001-08-07 Walter J. Sperko Tubular fitting, tool and method
JP2001225119A (ja) * 2000-02-17 2001-08-21 Osaka Gas Co Ltd 配管継手の抜け止め孔加工用治具及び加工方法
JP2002153919A (ja) 2000-11-21 2002-05-28 Seiko Epson Corp 金型及び筒製品の製造方法並びに筒製品
US7013699B1 (en) 2004-03-30 2006-03-21 Sperko Walter J Pipe fitting tool and method
WO2006095754A1 (fr) * 2005-03-09 2006-09-14 Eizou Ueno Procede et dispositif pour fabriquer un trou debouchant dans une paroi circonferentielle d’un travail

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024101A1 (fr) * 1979-08-09 1981-02-25 Arvin Industries, Inc. Jonction mécanique et procédé pour joindre mécaniquement deux pièces
US6269674B1 (en) * 1999-08-19 2001-08-07 Walter J. Sperko Tubular fitting, tool and method
JP2001225119A (ja) * 2000-02-17 2001-08-21 Osaka Gas Co Ltd 配管継手の抜け止め孔加工用治具及び加工方法
JP2002153919A (ja) 2000-11-21 2002-05-28 Seiko Epson Corp 金型及び筒製品の製造方法並びに筒製品
US7013699B1 (en) 2004-03-30 2006-03-21 Sperko Walter J Pipe fitting tool and method
WO2006095754A1 (fr) * 2005-03-09 2006-09-14 Eizou Ueno Procede et dispositif pour fabriquer un trou debouchant dans une paroi circonferentielle d’un travail

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109158491A (zh) * 2018-10-28 2019-01-08 湖州剑力金属制品有限公司 冲压件冲压用导向装置
CN109158491B (zh) * 2018-10-28 2024-03-26 湖州剑力金属制品有限公司 冲压件冲压用导向装置的使用方法

Also Published As

Publication number Publication date
US20120164260A1 (en) 2012-06-28
DE102010056449B4 (de) 2013-11-07
DE102010056449A1 (de) 2012-06-28
EP2468430B1 (fr) 2013-12-11

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