EP3210689A2 - Machine de sertissage en coin et son procédé de fonctionnement - Google Patents

Machine de sertissage en coin et son procédé de fonctionnement Download PDF

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Publication number
EP3210689A2
EP3210689A2 EP16203888.9A EP16203888A EP3210689A2 EP 3210689 A2 EP3210689 A2 EP 3210689A2 EP 16203888 A EP16203888 A EP 16203888A EP 3210689 A2 EP3210689 A2 EP 3210689A2
Authority
EP
European Patent Office
Prior art keywords
switch
corner
crimping
drive
metal profile
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
EP16203888.9A
Other languages
German (de)
English (en)
Other versions
EP3210689B1 (fr
EP3210689A3 (fr
Inventor
Bernd Ohngemach
Rutger Stuber
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.)
Elumatec AG
Original Assignee
Elumatec AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Elumatec AG filed Critical Elumatec AG
Publication of EP3210689A2 publication Critical patent/EP3210689A2/fr
Publication of EP3210689A3 publication Critical patent/EP3210689A3/fr
Application granted granted Critical
Publication of EP3210689B1 publication Critical patent/EP3210689B1/fr
Active 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
    • B21D53/00—Making other particular articles
    • B21D53/74—Making other particular articles frames for openings, e.g. for windows, doors, handbags
    • B21D53/745—Joining mitred profiles comprising punching the profiles on a corner-angle connecting piece
    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
    • B21D39/035—Joining superposed plates by slitting

Definitions

  • the invention relates to a corner crimping machine for connecting a first and a second metal profile by means of a corner reinforcement, in particular for the window and door construction, with a support for the first metal profile and a support for the second metal profile, at least one stop for the first and / or second metal profile, at least one movable abutment, at least two movable crimping knives, at least one first drive for the abutment and at least one second drive for the at least two crimping knives and a plurality of switches for activating the first and second drive.
  • the invention also relates to a method for operating a corner crimping machine according to the invention.
  • So-called corner crimping machines are intended to fix an angular corner reinforcement on two metal profiles, in order thereby to connect the two metal profiles together at the corner.
  • aluminum profiles are used and an angular corner reinforcement is inserted into the already mitred end faces of the aluminum profiles.
  • the two by the corner reinforcement already loosely interconnected metal profiles are then inserted by an operator in the corner crimping machine.
  • the operator holds the two metal profiles with one hand. This has the advantage that the operator may possibly still slightly adjust the position of the two metal profiles relative to one another. This is to ensure that the two metal profiles abut each other exactly and without play in the area of the miter.
  • the operator After inserting the two metal profiles in the corner crimping machine, the operator triggers a drive for an abutment with which an abutment is driven against the inside of the two metal profiles in the region of the corner joint.
  • the opposite outer side of the corner joint abuts against a stop of the corner crimping machine.
  • the operator can trigger simultaneously with the drive for the crimping knives tensioners, which then press the two metal profiles against the respective support.
  • the drive for the crimping blade moves it against the metal profiles, so that indentations are pressed into the metal profiles, wherein the recesses then ensure that the corner reinforcement is fixed immovably in the two metal profiles.
  • a corner crimping machine and a method for operating a corner crimping machine is to be improved so that an increased operational reliability is given for an operator.
  • a corner crimping machine having the features of claim 1 or a method having the features of claim 10 is provided for this purpose.
  • a corner crimping machine for connecting a first and a second metal profile by means of a corner reinforcement, in particular for the window and door construction, is provided with a support for the first metal profile and a support for the second metal profile. At least one stop for the first and / or the second metal profile is provided. In addition, at least one movable abutment and at least two movable crimping knives are provided. At least one first drive is for the abutment and at least a second drive is provided for the at least two crimping blades. For activating the first and second drive, a plurality of switches are provided.
  • a first switch and a second switch are automatically resetting and so formed and arranged laterally of the support for the first and the second metal profile so that the first switch by means of a finger or several fingers of resting on the first metal profile hand of an operator is actuated and the second switch can be actuated by means of a finger or several fingers of a hand of the operator lying on the second metal profile.
  • the first switch and the second switch are thus arranged such that they are each arranged laterally spaced from the first support or the second support by less than the length of a hand of an operator.
  • the length of a human hand is usually a maximum of about 25 cm.
  • the first switch and the second switch are each arranged laterally spaced apart from the first support or the second support by less than 25 cm.
  • the switches are of course also outside the danger zone of the corner crimping machine arranged, so seen in the longitudinal direction of the first edition and the second edition at least 25 cm away from the abutment, the crimping knives and possibly existing tensioners.
  • the first switch and the second switch are arranged so that they can be operated by an operator, while the palm of an operator's hand rests on the first metal profile or the second metal profile.
  • the switches are arranged within a parallel to the first metal profile or the second metal profile, which is at most 15 cm from the first or second metal profile or a maximum of 15 cm laterally from the support for the first metal profile or the support for the second metal profile is removed.
  • the maximum distance between about the middle of the handball and the fingertip of a human hand is 15 cm.
  • the first switch and the second switch are set so that an operator with his resting on the first metal profile and the second metal profile hand the first switch or the second switch easily by means of one finger or multiple fingers and simultaneously the first Metal profile or the metal profile on the supports can hold in position.
  • the hands of the operator are then already on the metal profiles and the two metal profiles can be removed immediately from the corner crimping machine.
  • the first switch and the second switch are formed automatically resetting, it can be ensured that the first drive for the abutment and the second drive for the crimping knife can only be activated as long as an operator operates the first switch and the second switch.
  • the drives stop or reverse. This makes it possible to bind the hands of the operator during the activation of the first drive and / or the second drive in a secure position, namely in the position in which the operator can operate the first switch or the second switch.
  • first switch and the second switch are arranged laterally of the support for the first and the second metal profile.
  • the operator can therefore place his hands on the first or second metal profile and press them against the respective edition of the corner crimping machine. This makes it possible for the operator to align the two metal profiles to one another in such a way that the mitred ends fit together exactly and without a gap. Since the two switches are arranged laterally of the support, the operator can still operate with a finger or with multiple fingers, the first switch or the second switch. The operator's hands are thus tied to the position of the two switches and yet it allows the operator to simultaneously hold the two metal profiles and operate the switches.
  • the first switch and the second switch are designed so that they can be actuated by means of a finger or several fingers of a hand of an operator.
  • the first and the second switch are thus formed so smoothly that they already operated by means of a finger or several fingers of a human hand can be.
  • the switches can be designed as a pushbutton switch or as a safety edge or be designed in a suitable manner as a very easily releasable switch.
  • the operation of the corner crimping machine according to the invention is characterized in a highly secure manner for an operator even for a long time possible without excessively fatigued.
  • the first switch and the second switch are each formed as a spring bar switch and each have a extending away from a switch housing spring elastic rod, in the deflection of a switching signal can be triggered.
  • spring bar switches have proven to be particularly suitable for the realization of the invention.
  • Such spring bar switches are usually used as proximity switches and detect, for example, the passage of a package on a conveyor belt.
  • Such spring bar switch can be actuated very easily and are therefore particularly suitable for being operated with only one or two fingers of the hand of an operator, the hand also holds a metal profile on the support of the corner crimping machine.
  • the spring bar switches are arranged on the side of the support of the metal profiles, so that an operator can fix the metal profile, for example with the palm of his hand and the thumb, and then actuate the spring bar switch with another finger or two further fingers.
  • a spherical or spherical body with a diameter is arranged at the free end of the elastic rod, which is significantly larger, in particular at least twice as large as the diameter of the resilient rod.
  • a spherical or ball-like body at the end of the resilient rod also facilitates the actuation of the first and second switches. For example, the operator can deflect the spring bar with one finger and then slide along the spring bar with his finger until this movement is stopped by the body at the end of the spring-elastic bar. The spherical or spherical shape of the body prevents injury when in contact with the operator's hand.
  • the spring-elastic rod is designed as a spring wire coil.
  • the first switch and the second switch are fastened by means of an adjusting device to a machine housing, wherein the adjusting device has at least one elastic element which allows a hand-operated actuated deflection of the respective switch from its adjusted position.
  • the switch can be deflected, so that injuries are avoided.
  • the position of the first switch or the second switch must be adjusted depending on the metal profile to be processed. For example, the switches would have to take a different position if a profile with a very small cross-section or a profile with a very large cross-section to be processed.
  • a so-called gooseneck or a held under the bias of a rubber element or a spring lever can be used. In this way, the switch can then escape and it is not possible to pinch the hand of the operator at the switch.
  • the adjusting device has a holding magnet.
  • the adjusting device on a two-sided lever which is rotatably mounted at its pivot point and perpendicular to the rotational axis and away from the machine housing against a spring preload on the machine housing and the first free end by means of the holding magnet on the machine housing can be fixed and at the second free end of the first or second switch is arranged.
  • the position of the first and second switch quickly and easily change without having to take this tool to help.
  • the arranged at the second free end of the two-sided lever switch dodge, so that no pinching a hand of the operator or other body part is possible.
  • the two-sided lever on a slot, wherein a pivot point of the lever is defined by means of a bolt fixed to the machine housing, which extends through the slot.
  • the adjusting device has an adjustable gooseneck.
  • the problem underlying the invention is also solved by a method for operating a corner crimping machine according to the invention, in which the activation of the first drive for the abutment takes place only when both the first switch and the second switch are actuated.
  • the activation of the first drive for the abutment takes place only when both the first switch and the second switch within a predefined period, in particular 0.5 s, are operated.
  • the activation of the second drive for the crimping knives for moving the crimping knives in the direction of the first and second metal profile for crimping edge reinforcements only takes place when the first and the second switch are actuated.
  • the tensioner can be designed for example as a pneumatic or hydraulic tensioner.
  • the corner crimping machine according to the invention and the method according to the invention for operating a corner crimping machine make it possible to operate a corner crimping machine very reliably in a surprisingly simple and efficient manner.
  • the invention allows a very high level of operational reliability for the special case that two workpieces, namely the first metal profile and the second metal profile, while their processing must be held by an operator and at the same time the switches must be triggered by the hands of the operator, which activate the drive (s) of the corner crimping machine.
  • Compared with the provision of known presentedalschaltern invention allows a much improved reliability and beyond even a very user-friendly and efficient and fatigue-free possible operation.
  • corner crimping machine 10 has a machine frame 12 which carries a machining table 14.
  • a first support 16 is provided for a first metal profile and a second support 18 for a second metal profile.
  • the two supports 16, 18 are aligned at right angles to each other and two metal profiles are indeed connected to each other usually at right angles. In principle, with the corner crimping machine according to the invention but also a deviation from the right angle in the connection of metal profiles possible.
  • the two supports 16, 18 can be extended by support arms, not shown, which can then be attached to projections 20. This is important, for example, when very long metal profiles are to be connected to each other.
  • the corner crimping machine 10 has an abutment 22 which is arranged opposite a stop 24.
  • the abutment 22 is intended to be driven against the inside of the metal profiles to be joined together and the stop 24 is intended to hold the outside of the metal profiles to be joined together.
  • the abutment 22 can be moved by means of a first drive not shown in the direction of the stop 24 and also be removed from the stop 24 again.
  • the first drive for the abutment 22 may be provided to move the abutment 22 below the surface of the processing table 14. This then makes it much easier to place the metal profiles on the supports 16, 18.
  • the metal profiles can be pressed by means of two tensioners 26, 28 against the respective support 16, 18.
  • an L-shaped corner reinforcement is used, which is inserted into the already mitred end faces of the two metal profiles.
  • the loosely interconnected by means of the corner reinforcement two metal profiles are then placed on the supports 16 and 18 of the corner crimping machine 10.
  • the two metal profiles are then aligned in their correct position to each other. It is essential in the case of the corner crimping machine 10 according to the invention that during the delivery of the abutment 22 and also during the entire crimping process, the metal profiles are held by an operator. This makes sense, therefore, so that the operator so align the two metal profiles relative to each other can be that in the area of the connection there is no gap between the two profiles.
  • a second drive for two crimping blades 30, 32 is activated.
  • the second drive for the crimping knives 30, 32 is not shown but drives carriages 34, 36 on which the crimping knives 30, 32 are arranged.
  • the carriages 35, 36 the crimping knives 30, 32 are moved towards the outside of the metal profiles and then press depressions into the metal profiles.
  • the corner reinforcement is then fixed relative to the two metal profiles. In special applications, the additional bonding of the corner reinforcement can be provided.
  • the two metal profiles are permanently connected to each other.
  • the carriages 34, 36 then move the crimping knives 30, 32 away from the metal profiles again and move in the illustration of FIG Fig. 1 then to the outside.
  • the two tensioners 26, 28 release the metal profiles and the abutment 22 is moved away from the metal profile and optionally under the surface of the processing table 14.
  • the operator can then remove the two interconnected metal profiles, for example, but also rotate by 90 ° to complete the next corner joint of a window frame.
  • the activation of the first drive for the abutment 22 takes place by means of two switches 40, 42.
  • the switches 40, 42 are each arranged on an adjusting device 44, 46 and are designed as automatically resetting switches.
  • Each of the switches 40, 42 has a spring bar 48, 50, which is designed as a spring wire coil. At the free end of the spring bar 48 each have a ball 52, 54 is arranged.
  • the switches 40, 42 are each arranged laterally of the supports 16, 18 for the metal profiles on the processing table 14 by means of the respective adjusting device 44, 46. If metal profiles rest on the supports 16, 18, an operator can press the metal profiles with his or her hand onto the supports 16 and, for example, still adjust them relative to one another.
  • the switches 40, 42 and in particular the spring rods 48, 50 are arranged so that the operator can still deflect the spring rods 48, 50 with one finger or several fingers of his resting on the metal profiles hand. As a result, he can actuate the switches 40, 42 and thereby trigger a switching signal.
  • the switching signal the two switches 40, 42 then activates the first drive for the abutment 22. Also, the drive for the two tensioners 26, 28 can be activated by means of the two switches 40, 42.
  • the switches 40, 42 can be changed in their position by means of the respective adjusting device 44, 46.
  • An operator will always align the switches 40, 42 so that the spring bars 48 protrude over the top of the metal profiles to be processed, so that the operator just with one or two fingers of his resting on the respective metal profile hand the spring bar 48, 50 of the adjacent Switch 40, 42 and thereby trigger a switching signal can.
  • the balls 52, 54 at the free end of the spring bars 48, 50 facilitate the operation of the switches 40, 42.
  • an operator grasps the spring bar 48 with a finger and then slides along the spring bar 48, 50 until his finger on the ball 52, 54 hits. At the latest, the operator can deflect the spring bar 48, 50 with one finger in such a way that a switching signal is triggered by means of the switches 40, 42.
  • the adjusting devices 44, 46 each have a two-sided lever 56, 58.
  • the two-sided levers 56, 58 are rotatably mounted on the machine table 14 by means of a bolt 60.
  • the bolt 60 extends through a slot in the lever 56, 58, so that a height of the switches 40, 42 can be adjusted over the surface of the processing table 14 in a very simple manner.
  • the bolt 60 is anchored to the machining table 14 and provided with a spiral spring, so that the lever 56, 58 can be moved a distance along the bolt 60.
  • the example of the switch 42 so the lever 58 in Fig. 1 tilted down to the right, since the lever 58, the spring on the pin 60 compress and thereby can be removed from the processing table 14.
  • the switch 42 opposite free end of the two-sided lever 58 is provided with a holding magnet 62 which holds this end of the lever 58 to the processing table 14.
  • the two-sided lever 56 is formed in the same way, but the holding magnet provided there is through the processing table 14 in Fig. 1 covered.
  • the two-sided lever 58 can now be pivoted in a very simple manner and without the aid of tools relative to the processing table 14. Also, the lever 58 can be easily adjusted in the vertical direction without the aid of tools by the lever 58 is moved relative to the bolt 60, which is made possible by the slot. In addition, the lever 58 can be tilted away from the processing table 14 are, since it can be moved along the bolt 60, against the biasing force of a spring 60 arranged on the bolt.
  • the switches 40, 42 can thereby be adjusted not only relative to the metal profiles which rest on the supports 16, 18 during processing, but the switches 40, 42 can also evade, for example, if an operator with his hand or other body part at the switches 40, 42 abuts. Pinching a hand or other body part of an operator is thereby reliably avoided in the corner crimping machine 10 according to the invention.
  • the balls 52, 54 also contribute to the free ends of the spring bars 48, 50.
  • FIG. 2 shows the corner crimping machine 10 according to the invention in sections in a view obliquely from above on the processing table 14.
  • the adjusting devices 44, 46 for the switches 40, 42 are provided with a spring 64, the press the lever 58 or 56 in the direction of the respective side edge of the processing table 14.
  • Fig. 2 also two disc-shaped stops 66 on the support 16 and 18. These disk-shaped stops 66 can be adjusted in a simple manner and make together with the stop 24 the correct position of resting on the supports 16, 18 metal profiles safely.
  • FIG. 3 shows the corner crimping machine according to the invention 10 in a further view obliquely from above, but from a different angle, so that the components already described can also be seen from other angles.
  • an operator When operating the corner crimping machine 10 according to the invention, an operator first places two metal profiles on the supports 16, 18.
  • the metal profiles are already mitred and loosely connected by means of a corner reinforcement inserted in the metal profiles.
  • the operator then aligns the two metal profiles relative to each other so that they rest against each other without gaps.
  • the two switches 40, 42 trigger.
  • the triggering of the two switches 40, 42 must advantageously take place within a predefined period of time, for example 0.5 s.
  • Only then the first drive for the abutment 22 is activated, so that this optionally from its position below the surface of the processing table 14 and then moves toward the stop 24.
  • the operator will still hold the two metal profiles with his hands.
  • the operator can rest his hands on the metal profiles.
  • the first drive moves the abutment 22 in the direction of the stop 24 until the abutment 22 bears against the metal profiles and fixes them between the abutment 22 and the stop 24.
  • the second drive for advancing the crimping blades 30, 32 are activated in the direction of the metal profiles.
  • the foot pedal switch not shown, must be pressed.
  • the two switches 40, 42 and optionally provided additional and not shown foot pedal switch are electrically interconnected so that is activated at a first actuation of the two switches 40, 42 within the predefined period of the first drive for the abutment in a first direction, Thus, for example, for advancing the abutment 22 in the direction of the stop 24. If one of the two switches 40, 42 then reset, for example by the spring bar 48 or the spring rod 50 is released, stops the first drive for the abutment 22 immediately. The next actuation of the two switches 40, 42 within the predefined period of time, the first drive for the abutment 22 is then activated again, but in the opposite direction. An operator can thereby control the movement of the abutment 22 in a very simple manner.
  • first drive for the abutment 22 and also the second drive for the carriages 34, 36 with the crimping knives 30, 32 and also the clamps 26, 28 are activated only when both switches 40, 42 are actuated.
  • first drive and the second drive only run when the operator has his first hand in the area of the Spring bar 48 of the first switch and its second hand in the region of the spring bar 50 of the second switch 42 has. This reliably prevents the hand of the operator from reaching the area of the abutment 22 or even between the abutment 22 and one of the metal profiles to be machined.
  • the operator's hands are thus bound at the positions of the spring bars 48, 50 during operation of the corner crimping apparatus 10. Since the spring bars 48, 50 are located outside the danger zone of the corner crimping machine 10, a very safe operation is possible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Automatic Assembly (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)
EP16203888.9A 2016-02-26 2016-12-13 Machine de sertissage en coin et son procédé de fonctionnement Active EP3210689B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016203126.0A DE102016203126A1 (de) 2016-02-26 2016-02-26 Eckencrimpmaschine und Verfahren zum Betreiben einer Eckencrimpmaschine

Publications (3)

Publication Number Publication Date
EP3210689A2 true EP3210689A2 (fr) 2017-08-30
EP3210689A3 EP3210689A3 (fr) 2017-09-06
EP3210689B1 EP3210689B1 (fr) 2020-05-13

Family

ID=57629266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16203888.9A Active EP3210689B1 (fr) 2016-02-26 2016-12-13 Machine de sertissage en coin et son procédé de fonctionnement

Country Status (2)

Country Link
EP (1) EP3210689B1 (fr)
DE (1) DE102016203126A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108637115A (zh) * 2018-07-26 2018-10-12 济南德辰机器有限公司 一种气动可调节组角机
CN109093012A (zh) * 2018-09-27 2018-12-28 山东明美数控机械有限公司 一种铝合金型材组装拼接方框90°组角冲铆位置调整机构
CN110976669A (zh) * 2019-12-03 2020-04-10 河北古桥门窗有限公司 门窗组角系统调刀器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117359321B (zh) * 2023-10-12 2024-07-23 山东雷德数控机械股份有限公司 一种铝合金门窗高自动化组装生产线
CN118682017A (zh) * 2024-08-26 2024-09-24 匠东方智能制造(江苏)有限公司 一种铝型材门窗组角装置

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DE2237691A1 (de) * 1972-07-31 1974-02-07 Siemens Ag Werkzeugmaschine, insbesondere abkantpresse, zum verformen eines plattenartigen werkstuecks
DE2358606A1 (de) * 1973-11-24 1975-05-28 Hermann Nickel Vorrichtung zum verbinden der ecken von fenster- und tuerrahmen
GB1551221A (en) * 1976-04-15 1979-08-30 British Aluminium Co Ltd Frame jointing machine
DE3008326A1 (de) * 1980-03-05 1981-09-17 Hermann 6603 Sulzbach Loth Vorrichtung zum verbinden von auf gehrung geschnittemenen metallprofilstaeben
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108637115A (zh) * 2018-07-26 2018-10-12 济南德辰机器有限公司 一种气动可调节组角机
CN108637115B (zh) * 2018-07-26 2024-03-29 济南德辰机器有限公司 一种气动可调节组角机
CN109093012A (zh) * 2018-09-27 2018-12-28 山东明美数控机械有限公司 一种铝合金型材组装拼接方框90°组角冲铆位置调整机构
CN110976669A (zh) * 2019-12-03 2020-04-10 河北古桥门窗有限公司 门窗组角系统调刀器

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Publication number Publication date
EP3210689B1 (fr) 2020-05-13
DE102016203126A1 (de) 2017-08-31
EP3210689A3 (fr) 2017-09-06

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