EP2945777B1 - Driving-in device - Google Patents
Driving-in device Download PDFInfo
- Publication number
- EP2945777B1 EP2945777B1 EP14700400.6A EP14700400A EP2945777B1 EP 2945777 B1 EP2945777 B1 EP 2945777B1 EP 14700400 A EP14700400 A EP 14700400A EP 2945777 B1 EP2945777 B1 EP 2945777B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- fastening
- driving
- support
- receptacle
- 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.)
- Active
Links
- 239000000758 substrate Substances 0.000 claims description 9
- 230000001154 acute effect Effects 0.000 claims description 2
- 230000032258 transport Effects 0.000 description 24
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/04—Arrangements for handling screws or nuts for feeding screws or nuts
- B25B23/045—Arrangements for handling screws or nuts for feeding screws or nuts using disposable strips or discs carrying the screws or nuts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
- B25C1/00—Hand-held nailing tools; Nail feeding devices
- B25C1/001—Nail feeding devices
- B25C1/003—Nail feeding devices for belts of nails
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
- B25C1/00—Hand-held nailing tools; Nail feeding devices
- B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
- B25C1/10—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
- B25C1/18—Details and accessories, e.g. splinter guards, spall minimisers
- B25C1/182—Feeding devices
- B25C1/184—Feeding devices for nails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
- B25C7/00—Accessories for nailing or stapling tools, e.g. supports
Definitions
- the invention relates to a device for driving fastening elements into a substrate as well as a fastening system with a driving device and a strip.
- Such driving devices usually comprise a receptacle for a fastening element and a passage for a driving element, which drives the fastening element out of the receptacle into the ground in a driving direction.
- the fastening elements are usually stored in a magazine with the aid of a strip and transported into the receptacle through a feed-through of the driving device.
- a fastening element for example a screw, which is located in the receptacle, is gripped by the driving element, for example a screwdriver bit, and moved in the driving direction. Since the following fastening elements, which are still in the leadthrough, support the strip against the driving direction, the fastening element gripped by the driving element is separated from the strip.
- the fastening element tends to tilt when it is separated, since the fastening element is acted upon by forces transverse to the fastening direction during the driving in.
- the tilting on the one hand worsens the driving quality and on the other hand increases the force required to separate the fastening element.
- the strips that carry the fastening elements comprise, in addition to the fastening elements, a strip core on which the fastening elements are held. On the usually flat and thus defining a stripe plane In the strip core, the fastening elements are usually held in a row along a longitudinal direction of the strip.
- the fastening elements define a fastening direction which is oriented parallel to the plane of the strip.
- reliable support of the strip core is not possible here if a fastening element is to be separated from the strip in its fastening direction. Rather, the support usually takes place via the adjacent fastening elements, provided that they are still held on the strip core.
- the fastening elements define a fastening direction which is oriented perpendicular to the plane of the strip.
- a head of the fastening element must be pushed through the strip core for separation, which is associated with increased expenditure of force.
- such a strip core must be made of very soft or elastic material, so that the strip has a very low dimensional stability overall, which makes handling the strip difficult.
- a device for driving fastening elements is from the document GB 2,332,383 known.
- a device for driving fastening elements into a substrate with a receptacle for a fastening element, with a passage for a driving element, which drives a fastening element in the receptacle in a driving direction into the subsurface, with a strip plane and a transport direction defining strip leadthrough for a strip core carrying fastening elements, with a support element for supporting the strip and / or a fastening element, and with a support spring, the support element being deflectable transversely to the driving direction against a force of the support spring when a fastening element is removed from the driving element in the driving direction is moved in order to separate the fastening element from the strip, wherein the strip core can be loaded to deflect the support element from a head of the fastening element against the support element.
- the support element can also be deflected transversely to the transport direction against the force of the support spring.
- a preferred embodiment is characterized in that the support element has a support surface facing opposite to the driving direction or at an acute angle against the driving direction, in particular oriented transversely to the plane of the strip and in particular a flat support surface for supporting the strip against the driving direction when a fastening element from the driving element in the driving direction is moved in order to isolate the fastener from the strip.
- a preferred embodiment is characterized in that the support element comprises the support spring.
- the support element is particularly preferably formed by the support spring.
- a preferred embodiment is characterized in that the strip lead-through and / or the receptacle has a recess into which the strip can be moved transversely to the transport direction and transversely to the driving direction when a fastening element in the receptacle is separated from the strip.
- the support element can be deflected into the recess against the force of the support spring.
- a preferred embodiment is characterized in that it has a pressure sensor which conveys a fastening element along the passage in the transport direction into the receptacle when the device is pressed against a substrate and / or when a driving process has ended.
- a preferred embodiment is characterized in that the support spring has a leaf spring.
- the support spring additionally or alternatively has one or more further leaf springs, spiral springs and / or helical springs.
- a preferred embodiment is characterized in that the support element is arranged transversely to the transport direction and transversely to the driving direction next to the receptacle and is oriented transversely to the plane of the strip.
- a preferred embodiment is characterized in that an opening of the strip leadthrough into the receptacle has a first end on the driving direction side and a second end opposite to the driving direction, and the support element is arranged closer to the first than to the second end of the opening.
- educates Support element an extension of the strip lead-through in the transport direction.
- the support element particularly preferably extends beyond the mouth.
- a preferred embodiment is characterized in that the strip lead-through and / or the receptacle has a recess into which the strip can be moved transversely to the transport direction and transversely to the driving direction when a fastening element in the receptacle is separated from the strip.
- a preferred embodiment is characterized in that the support element has a planar support surface which, in particular, points against the driving direction.
- a fastening system with a device according to the invention for driving fastening elements into a substrate, and with a strip for fastening elements each with a shaft and a head, comprising a strip core defining a strip plane and a strip longitudinal direction and a plurality of fastening elements, which are held on the strip core and each define a fastening direction which is oriented parallel to the plane of the strip, wherein the strip core or at least one of the fastening elements has a particularly flat counter-support surface, and wherein the support element, in particular the support surface, supports the counter-support surface against the driving direction, when a fastener in the receptacle is moved in the driving direction.
- a preferred embodiment is characterized in that the head of a fastening element in the receptacle loads the strip core against the support element when the fastening element is separated from the strip.
- a preferred embodiment is characterized in that the head of a fastening element in the receptacle moves the strip core or the support foot into the recess when the fastening element is separated from the strip.
- a preferred embodiment is characterized in that the counter-support surface is arranged on the end face of the strip core pointing in the fastening direction. Particularly preferably, the counter-support surface forms the end face of the strip core pointing in the fastening direction.
- a preferred embodiment is characterized in that the strip core has a transport recess.
- the transport recess is particularly preferably arranged in the longitudinal direction of the strip at the level of a fastening element.
- the transport recess is arranged in the longitudinal direction of the strip between two fastening elements.
- the counter-support surface preferably delimits the transport recess, for example as a side surface or a terminating edge.
- a preferred embodiment is characterized in that the fastening elements are held in receptacles in the strip which protrude from the strip core transversely to the strip plane on the side opposite the transport recess.
- a preferred embodiment is characterized in that a support foot protrudes from the strip core transversely to the strip plane.
- the support foot preferably protrudes from the strip core on the end face of the strip core pointing in the fastening direction.
- a preferred embodiment is characterized in that the support foot is arranged in the longitudinal direction of the strip at the level of a fastening element.
- Another preferred embodiment is characterized in that the support foot is arranged in the longitudinal direction of the strip between two fastening elements.
- the support foot is designed continuously in the longitudinal direction of the strip along a plurality of fastening elements.
- a preferred embodiment is characterized in that the support foot has a flat support surface which particularly preferably forms the end face of the strip pointing in the fastening direction.
- Fig. 1 and 2 show a driving device 100 designed as a magazine attachment for fastening elements 110 which are held on a strip core 130.
- the driving device 100 has a receptacle 120 for one of the fastening elements 110 as well as a passage covered by the fastening elements 110 for a driving element, not shown, for example designed as a screw drive, which a fastening element 110, which was previously positioned in the receptacle 120, does not insert drives in the subsoil shown.
- the driving device 100 has a housing 140 which is detachably attached to a drive device (not shown), preferably holding the driving element, such as a cordless screwdriver with an electric motor, in order to drive the driving element in particular in a rotating manner.
- the fastening elements 110 are designed as screws.
- the fastening elements are designed as screw anchors, bolts, screw bolts, nails, rivets or the like.
- the driving device 100 has a strip lead-through 180 for the strip core 130 and a screw guide 190 for the fastening elements 110.
- the strip leadthrough 180 is designed as a shallow recess in the screw guide 190 and thus defines a strip plane which extends into the Fig. 1 and 2 is oriented perpendicular to the plane of the drawing and from the in Fig. 1 driving direction 170 shown and the in Fig. 2 illustrated transport direction 200 is spanned.
- the transport direction 200 defined by the strip leadthrough 180 runs in FIG Fig. 1 obliquely to the left into the plane of the drawing and in Fig. 2 in the drawing plane from left to right.
- An opening 220 identifies the point at which the strip leadthrough 180 opens into the receptacle 120.
- the driving device 100 further comprises a support element 210 for supporting the strip core 130 counter to the driving direction and a support spring 250 designed as a leaf spring, which is made of a metal or an alloy and continues in the support element 210.
- a support spring 250 designed as a leaf spring, which is made of a metal or an alloy and continues in the support element 210.
- the end edge 260 of the support element 210 pointing into the plane of the drawing serves as a support surface for a support of the strip core 130 against the driving direction 170.
- the strip core 130 has a flat counter-support surface 270 which is part of a delimitation of a transport recess 280 provided on the strip core 130 .
- the transport recess 280 serves to receive a transport arm 290, which transports the strip core 130 by engaging in the transport recess 280 along the transport direction 200 towards the receptacle 120.
- the support element 210 has a preferably bead-shaped projection 290 which protrudes into the transport recess 280.
- the support element 210 is transverse, preferably at right angles to the transport direction 200, namely in Fig. 2 upwards and transversely, preferably at right angles to the driving direction 170, namely in Fig. 1 downward, deflectable against the spring force of the support spring 250.
- the support element 210 thus serves to support the strip core 130 against the driving direction 170.
- the driving device 100 furthermore comprises a contact pressure sensor 150, which actuates a transport mechanism to transport a fastening element 110 into the receptacle 120 when the driving device 100 is pressed against the ground and / or when a driving process is ended.
- the pressure sensor 150 and with it the transport mechanism are moved towards the housing 140 when pressed against the ground against a pressure spring located in the housing 140 and moved away from the housing 140 by the pressure spring when the driving device 100 is lifted from the ground.
- the fastening elements 110 are held on the strip core 130 and together with the strip core 130 form a fastening element strip.
- the flat strip core 130 defines a strip plane which is identical to the previously described strip plane defined by the strip leadthrough 180, and a longitudinal direction of the strip which is identical to the previously described transport direction 200 is.
- the strip core 130 is made of plastic and comprises a plurality of interconnected receptacles 160 for temporarily holding the shaft 112 of a fastening element 110. Each receptacle 160 defines a fastening direction in which the respective fastening element 110 can be driven out of the receptacle 160 into the ground and which in the present case is identical to the driving direction 170.
- the fastening elements 110 are preferably held in the middle, that is to say each with their center of gravity within a receptacle 120.
- Each fastening element 110 has an in Fig. 1 shown tip 114 and at its end opposite to the fastening direction in Fig. 2 head 116 shown.
- the fastening element strip has a support foot 230 which protrudes from the strip core 130 on its end face 240 facing in the fastening direction, transversely to the plane of the strip, namely on the side of the strip core 130 opposite the receptacles 160.
- the support foot 230 is continuous in the longitudinal direction of the strip along several fastening elements 110 and thus arranged in the longitudinal direction of the strip both at the level of the fastening elements 110 and between the fastening elements 110.
- the support foot 230 has a flat support surface which forms the end face 240 of the strip core 130 pointing in the fastening direction.
- a support foot alternatively or additionally protrudes from the strip core on an end face pointing opposite to the fastening direction or also in the area between the two end faces.
- the fastening element strip does not have a protruding support foot.
- the driving element moves a fastening element 110 in the receptacle 120 in order to drive it into a substrate in the driving direction 170
- the counter-support surface 270 and thus the strip core 130 are supported by the supporting element 210 against the driving direction 170.
- the strip core 130 therefore does not move with the fastening element 110.
- the material of the receptacle 160 is stretched beyond its yield point, so that the receptacle 160 tears open and the fastening element 110 is separated.
- the force required for the separation is reduced in particular by the fact that the strip core 130, together with the support foot 230, can move into a recess 300 in the strip feed-through 180 in order to reduce the head 116 Letting side force pass.
- the strip core 130 is loaded against the support element 210, so that the strip core 130, together with the support element 210, is deflected into the recess 300 against the spring force of the support spring 250.
- the present invention was illustrated using the example of a driving device for fastening elements. It is pointed out, however, that the device according to the invention is also suitable for other purposes.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Medicinal Preparation (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Supply And Installment Of Electrical Components (AREA)
Description
Die Erfindung betrifft eine Vorrichtung zum Eintreiben von Befestigungselementen in einen Untergrund sowie ein Befestigungssystem mit einer Eintreibvorrichtung und einem Streifen.The invention relates to a device for driving fastening elements into a substrate as well as a fastening system with a driving device and a strip.
Derartige Eintreibvorrichtungen umfassen üblicherweise eine Aufnahme für ein Befestigungselement sowie einen Durchlass für ein Eintreibelement, welches das Befestigungselement aus der Aufnahme in einer Eintreibrichtung in den Untergrund eintreibt. Die Befestigungselemente werden üblicherweise mit Hilfe eines Streifens magaziniert und durch eine Durchführung der Eintreibvorrichtung in die Aufnahme transportiert. Zum Eintreiben in den Untergrund wird ein Befestigungselement, beispielsweise eine Schraube, welches sich in der Aufnahme befindet, von dem Eintreibelement, beispielsweise einem Schrauberbit, erfasst und in der Eintreibrichtung bewegt. Da die nachfolgenden Befestigungselemente, welche sich noch in der Durchführung befinden, den Streifen entgegen der Eintreibrichtung abstützen, wird das von dem Eintreibelement erfasste Befestigungselement von dem Streifen vereinzelt. Aufgrund der undefinierten Abstützung durch den restlichen Streifen neigt das Befestigungselement beim Vereinzeln zum Verkippen, da das Befestigungselement während des Eintreibens von Kräften quer zur Befestigungsrichtung beaufschlagt wird. Das Verkippen verschlechtert einerseits die Eintreibqualität und erhöht andererseits die erforderliche Kraft für das Vereinzeln des Befestigungselements.Such driving devices usually comprise a receptacle for a fastening element and a passage for a driving element, which drives the fastening element out of the receptacle into the ground in a driving direction. The fastening elements are usually stored in a magazine with the aid of a strip and transported into the receptacle through a feed-through of the driving device. For driving into the ground, a fastening element, for example a screw, which is located in the receptacle, is gripped by the driving element, for example a screwdriver bit, and moved in the driving direction. Since the following fastening elements, which are still in the leadthrough, support the strip against the driving direction, the fastening element gripped by the driving element is separated from the strip. Due to the undefined support by the remaining strips, the fastening element tends to tilt when it is separated, since the fastening element is acted upon by forces transverse to the fastening direction during the driving in. The tilting on the one hand worsens the driving quality and on the other hand increases the force required to separate the fastening element.
Die Streifen, die die Befestigungselemente tragen, umfassen neben den Befestigungselementen einen Streifenkern, an dem die Befestigungselemente gehalten sind. An dem üblicherweise flach ausgebildeten und damit eine Streifenebene definierenden Streifenkern sind die Befestigungselemente üblicherweise entlang einer Streifenlängsrichtung aufgereiht gehalten.The strips that carry the fastening elements comprise, in addition to the fastening elements, a strip core on which the fastening elements are held. On the usually flat and thus defining a stripe plane In the strip core, the fastening elements are usually held in a row along a longitudinal direction of the strip.
Bei einer ersten bekannten Ausführungsform definieren die Befestigungselemente eine Befestigungsrichtung, welche parallel zu der Streifenebene orientiert ist. Hier ist jedoch keine verlässliche Abstützung des Streifenkerns möglich, wenn ein Befestigungselement von dem Streifen in seiner Befestigungsrichtung vereinzelt werden soll. Die Abstützung erfolgt üblicherweise vielmehr über die benachbarten Befestigungselemente, soweit diese noch an dem Streifenkern gehalten sind.In a first known embodiment, the fastening elements define a fastening direction which is oriented parallel to the plane of the strip. However, reliable support of the strip core is not possible here if a fastening element is to be separated from the strip in its fastening direction. Rather, the support usually takes place via the adjacent fastening elements, provided that they are still held on the strip core.
Bei einer weiteren bekannten Ausführungsform definieren die Befestigungselemente eine Befestigungsrichtung, welche senkrecht zu der Streifenebene orientiert ist. Hier ist zwar bei genügender Breite des Streifenkerns eine Abstützung möglich, jedoch ist zum Vereinzeln jeweils ein Kopf des Befestigungselements durch den Streifenkern hindurchzudrücken, was mit einem erhöhten Kraftaufwand verbunden ist. Damit dies überhaupt möglich ist, muss ein solcher Streifenkern aus sehr weichem oder elastischem Material bestehen, so dass der Streifen insgesamt eine sehr geringe Formstabilität aufweist, wodurch ein Hantieren mit dem Streifen erschwert wird.In a further known embodiment, the fastening elements define a fastening direction which is oriented perpendicular to the plane of the strip. In this case, if the strip core is sufficiently wide, support is possible, but a head of the fastening element must be pushed through the strip core for separation, which is associated with increased expenditure of force. In order for this to be possible at all, such a strip core must be made of very soft or elastic material, so that the strip has a very low dimensional stability overall, which makes handling the strip difficult.
Eine Vorrichtung zum Eintreiben von Befestigungselementen ist aus dem Dokument
Es ist eine Aufgabe der Erfindung, eine Eintreibvorrichtung sowie ein Befestigungssystem mit einem Streifen zur Verfügung zu stellen, mit denen gegebenenfalls die Eintreibqualität verbessert ist.It is an object of the invention to provide a driving device and a fastening system with a strip with which the driving quality is improved if necessary.
Die Aufgabe wird gelöst durch eine Vorrichtung zum Eintreiben von Befestigungselementen in einen Untergrund, mit einer Aufnahme für ein Befestigungselement, mit einem Durchlass für ein Eintreibelement, welches ein Befestigungselement in der Aufnahme in einer Eintreibrichtung in den Untergrund eintreibt, mit einer eine Streifenebene und eine Transportrichtung definierenden Streifendurchführung für einen Befestigungselemente tragenden Streifenkern, mit einem Stützelement für eine Abstützung des Streifens und/oder eines Befestigungselements, und mit einer Stützfeder, wobei das Stützelement quer zur Eintreibrichtung gegen eine Kraft der Stützfeder auslenkbar ist, wenn ein Befestigungselement von dem Eintreibelement in der Eintreibrichtung bewegt wird, um das Befestigungselement von dem Streifen zu vereinzeln, wobei der Streifenkern zur Auslenkung des Stützelements von einem Kopf des Befestigungselements gegen das Stützelement belastbar ist. Bevorzugt ist das Stützelement auch quer zur Transportrichtung gegen die Kraft der Stützfeder auslenkbar.The object is achieved by a device for driving fastening elements into a substrate, with a receptacle for a fastening element, with a passage for a driving element, which drives a fastening element in the receptacle in a driving direction into the subsurface, with a strip plane and a transport direction defining strip leadthrough for a strip core carrying fastening elements, with a support element for supporting the strip and / or a fastening element, and with a support spring, the support element being deflectable transversely to the driving direction against a force of the support spring when a fastening element is removed from the driving element in the driving direction is moved in order to separate the fastening element from the strip, wherein the strip core can be loaded to deflect the support element from a head of the fastening element against the support element. Preferably, the support element can also be deflected transversely to the transport direction against the force of the support spring.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass das Stützelement eine entgegen der Eintreibrichtung oder in einem spitzen Winkel gegen die Eintreibrichtung weisende, insbesondere quer zur Streifenebene orientierte und insbesondere ebene Stützfläche für eine Abstützung des Streifens entgegen der Eintreibrichtung, wenn ein Befestigungselement von dem Eintreibelement in der Eintreibrichtung bewegt wird, um das Befestigungselement von dem Streifen zu vereinzeln, aufweist.A preferred embodiment is characterized in that the support element has a support surface facing opposite to the driving direction or at an acute angle against the driving direction, in particular oriented transversely to the plane of the strip and in particular a flat support surface for supporting the strip against the driving direction when a fastening element from the driving element in the driving direction is moved in order to isolate the fastener from the strip.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass das Stützelement die Stützfeder umfasst. Besonders bevorzugt ist das Stützelement von der Stützfeder gebildet.A preferred embodiment is characterized in that the support element comprises the support spring. The support element is particularly preferably formed by the support spring.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass die Streifendurchführung und/oder die Aufnahme eine Aussparung aufweist, in die der Streifen quer zur Transportrichtung und quer zur Eintreibrichtung hinein bewegbar ist, wenn ein Befestigungselement in der Aufnahme von dem Streifen vereinzelt wird. Besonders bevorzugt ist das Stützelement gegen die Kraft der Stützfeder in die Aussparung hinein auslenkbar.A preferred embodiment is characterized in that the strip lead-through and / or the receptacle has a recess into which the strip can be moved transversely to the transport direction and transversely to the driving direction when a fastening element in the receptacle is separated from the strip. Particularly preferably, the support element can be deflected into the recess against the force of the support spring.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass sie einen Anpressfühler aufweist, welcher ein Befestigungselement entlang der Durchführung in der Transportrichtung in die Aufnahme befördert, wenn die Vorrichtung an einen Untergrund angepresst wird und/oder wenn ein Eintreibvorgang beendet ist.A preferred embodiment is characterized in that it has a pressure sensor which conveys a fastening element along the passage in the transport direction into the receptacle when the device is pressed against a substrate and / or when a driving process has ended.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass die Stützfeder eine Blattfeder aufweist. Gemäss weiterer Ausführungsformen weist die Stützfeder zusätzlich oder alternativ eine oder mehrere weitere Blattfedern, Spiralfeder und/oder Schraubenfedern auf.A preferred embodiment is characterized in that the support spring has a leaf spring. According to further embodiments, the support spring additionally or alternatively has one or more further leaf springs, spiral springs and / or helical springs.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass das Stützelement quer zur Transportrichtung und quer zur Eintreibrichtung neben der Aufnahme angeordnet sowie quer zur Streifenebene orientiert ist.A preferred embodiment is characterized in that the support element is arranged transversely to the transport direction and transversely to the driving direction next to the receptacle and is oriented transversely to the plane of the strip.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass eine Mündung der Streifendurchführung in die Aufnahme ein eintreibrichtungsseitiges erstes Ende und ein zweites Ende entgegen der Eintreibrichtung aufweist, und wobei das Stützelement näher zu dem ersten als zu dem zweiten Ende der Mündung angeordnet ist. Bevorzugt bildet das Stützelement eine Verlängerung der Streifendurchführung in Transportrichtung. Besonders bevorzugt erstreckt sich dabei das Stützelement über die Mündung hinaus.A preferred embodiment is characterized in that an opening of the strip leadthrough into the receptacle has a first end on the driving direction side and a second end opposite to the driving direction, and the support element is arranged closer to the first than to the second end of the opening. Preferably that educates Support element an extension of the strip lead-through in the transport direction. The support element particularly preferably extends beyond the mouth.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass die Streifendurchführung und/oder die Aufnahme eine Aussparung aufweist, in die der Streifen quer zur Transportrichtung und quer zur Eintreibrichtung hinein bewegbar ist, wenn ein Befestigungselement in der Aufnahme von dem Streifen vereinzelt wird.A preferred embodiment is characterized in that the strip lead-through and / or the receptacle has a recess into which the strip can be moved transversely to the transport direction and transversely to the driving direction when a fastening element in the receptacle is separated from the strip.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass das Stützelement eine ebene Stützfläche aufweist, welche insbesondere entgegen der Eintreibrichtung weist.A preferred embodiment is characterized in that the support element has a planar support surface which, in particular, points against the driving direction.
Die Aufgabe wird ebenfalls gelöst durch ein Befestigungssystem, mit einer erfindungsgemässen Vorrichtung zum Eintreiben von Befestigungselementen in einen Untergrund, und mit einem Streifen für Befestigungselemente mit jeweils einem Schaft und einem Kopf, umfassend einen eine Streifenebene sowie eine Streifenlängsrichtung definierenden Streifenkern und eine Mehrzahl von Befestigungselementen, welche an dem Streifenkern gehalten sind und jeweils eine Befestigungsrichtung definieren, welche parallel zu der Streifenebene orientiert ist, wobei der Streifenkern oder zumindest eines der Befestigungselemente eine insbesondere ebene Gegenstützfläche aufweist, und wobei das Stützelement, insbesondere die Stützfläche, die Gegenstützfläche entgegen der Eintreibrichtung abstützt, wenn ein Befestigungselement in der Aufnahme in Eintreibrichtung bewegt wird.The object is also achieved by a fastening system, with a device according to the invention for driving fastening elements into a substrate, and with a strip for fastening elements each with a shaft and a head, comprising a strip core defining a strip plane and a strip longitudinal direction and a plurality of fastening elements, which are held on the strip core and each define a fastening direction which is oriented parallel to the plane of the strip, wherein the strip core or at least one of the fastening elements has a particularly flat counter-support surface, and wherein the support element, in particular the support surface, supports the counter-support surface against the driving direction, when a fastener in the receptacle is moved in the driving direction.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass der Kopf eines Befestigungselements in der Aufnahme den Streifenkern gegen das Stützelement belastet, wenn das Befestigungselement von dem Streifen vereinzelt wird.A preferred embodiment is characterized in that the head of a fastening element in the receptacle loads the strip core against the support element when the fastening element is separated from the strip.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass der Kopf eines Befestigungselements in der Aufnahme den Streifenkern oder den Stützfuss in die Aussparung hinein bewegt, wenn das Befestigungselement von dem Streifen vereinzelt wird.A preferred embodiment is characterized in that the head of a fastening element in the receptacle moves the strip core or the support foot into the recess when the fastening element is separated from the strip.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass die Gegenstützfläche an der in Befestigungsrichtung weisenden Stirnseite des Streifenkerns angeordnet ist. Besonders bevorzugt bildet die Gegenstützfläche die in Befestigungsrichtung weisende Stirnseite des Streifenkerns bildet.A preferred embodiment is characterized in that the counter-support surface is arranged on the end face of the strip core pointing in the fastening direction. Particularly preferably, the counter-support surface forms the end face of the strip core pointing in the fastening direction.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass der Streifenkern eine Transportaussparung aufweist. Besonders bevorzugt ist die Transportaussparung in Streifenlängsrichtung auf Höhe eines Befestigungselementes angeordnet. Gemäss einer ebenfalls bevorzugten Variante ist die Transportaussparung in Streifenlängsrichtung zwischen zwei Befestigungselementen angeordnet. Bevorzugt begrenzt die Gegenstützfläche die Transportaussparung, beispielsweise als Seitenfläche oder Abschlusskante.A preferred embodiment is characterized in that the strip core has a transport recess. The transport recess is particularly preferably arranged in the longitudinal direction of the strip at the level of a fastening element. According to another preferred variant, the transport recess is arranged in the longitudinal direction of the strip between two fastening elements. The counter-support surface preferably delimits the transport recess, for example as a side surface or a terminating edge.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass die Befestigungselemente in Aufnahmen des Streifens gehalten sind, welche auf der der Transportaussparung gegenüber liegenden Seite von dem Streifenkern quer zur Streifenebene abragen.A preferred embodiment is characterized in that the fastening elements are held in receptacles in the strip which protrude from the strip core transversely to the strip plane on the side opposite the transport recess.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass von dem Streifenkern ein Stützfuss quer zur Streifenebene abragt. Bevorzugt ragt der Stützfuss an der in Befestigungsrichtung weisenden Stirnseite des Streifenkerns von dem Streifenkern ab.A preferred embodiment is characterized in that a support foot protrudes from the strip core transversely to the strip plane. The support foot preferably protrudes from the strip core on the end face of the strip core pointing in the fastening direction.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass der Stützfuss in Streifenlängsrichtung auf Höhe eines Befestigungselementes angeordnet ist. Eine ebenfalls bevorzugte Ausführungsform ist dadurch gekennzeichnet, dass der Stützfuss in Streifenlängsrichtung zwischen zwei Befestigungselementen angeordnet ist. Besonders bevorzugt ist der Stützfuss in Streifenlängsrichtung entlang mehrerer Befestigungselemente durchgehend ausgebildet.A preferred embodiment is characterized in that the support foot is arranged in the longitudinal direction of the strip at the level of a fastening element. Another preferred embodiment is characterized in that the support foot is arranged in the longitudinal direction of the strip between two fastening elements. Particularly preferably, the support foot is designed continuously in the longitudinal direction of the strip along a plurality of fastening elements.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass der Stützfuss eine ebene Abstützfläche aufweist, welche besonders bevorzugt die in Befestigungsrichtung weisende Stirnseite des Streifens bildet.A preferred embodiment is characterized in that the support foot has a flat support surface which particularly preferably forms the end face of the strip pointing in the fastening direction.
Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, dass das Stützelement den Stützfuss entgegen der Eintreibrichtung abstützt, wenn ein Befestigungselement in der Aufnahme in Eintreibrichtung bewegt wird. Besonders bevorzugt stützt dabei das Stützelement von dem Streifen nur den Stützfuss entgegen der Eintreibrichtung ab. Nachfolgend werden bevorzugte Ausführungsbeispiele unter Bezugnahme auf die Zeichnungen näher erläutert. Es zeigen:
- Fig. 1
- eine Eintreibvorrichtung mit einem Befestigungselementestreifen,
- Fig. 2
- die Eintreibvorrichtung mit dem Befestigungselementestreifen in einem Querschnitt,
- Fig. 1
- a driving device with a fastener strip,
- Fig. 2
- the driving device with the fastener strip in a cross section,
Die Eintreibvorrichtung 100 weist eine Streifendurchführung 180 für den Streifenkern 130 sowie eine Schraubenführung 190 für die Befestigungselemente 110 auf. Die Streifendurchführung 180 ist als flache Ausnehmung in der Schraubenführung 190 ausgebildet und definiert somit eine Streifenebene, welche in den
Weiterhin umfasst die Eintreibvorrichtung 100 ein Stützelement 210 für eine Abstützung des Streifenkerns 130 entgegen der Eintreibrichtung sowie eine als Blattfeder ausgebildete Stützfeder 250, welche aus einem Metall oder einer Legierung gefertigt ist und sich in dem Stützelement 210 fortsetzt. Eine in
Das Stützelement 210 weist einen bevorzugt sickenförmigen Vorsprung 290 auf, welcher in die Transportaussparung 280 hineinragt. Das Stützelement 210 ist quer, bevorzugt rechtwinklig zur Transportrichtung 200, nämlich in
Die Eintreibvorrichtung 100 umfasst weiterhin einen Anpressfühler 150, welcher zum Transport eines Befestigungselements 110 in die Aufnahme 120 einen Transportmechanismus betätigt, wenn die Eintreibvorrichtung 100 an den Untergrund angepresst wird und/oder wenn ein Eintreibvorgang beendet ist. Der Anpressfühler 150 und mit ihm auch der Transportmechanismus werden dazu beim Anpressen an den Untergrund gegen eine im Gehäuse 140 angeordnete Anpressfeder auf das Gehäuse 140 zubewegt und beim Abheben der Eintreibvorrichtung 100 vom Untergrund durch die Anpressfeder entsprechend von dem Gehäuse 140 wegbewegt.The
Die Befestigungselemente 110 sind an dem Streifenkern 130 gehalten und bilden mit dem Streifenkern 130 zusammen einen Befestigungselementestreifen. Der flach ausgebildete Streifenkern 130 definiert eine Streifenebene, welche mit der zuvor beschriebenen von der Streifendurchführung 180 definierten Streifenebene identisch ist, und eine Streifenlängsrichtung, welche mit der zuvor beschriebenen Transportrichtung 200 identisch ist. Der Streifenkern 130 ist aus Kunststoff gefertigt und umfasst eine Vielzahl von miteinander verbundenen Aufnahmen 160 zum vorübergehenden Halten jeweils des Schaftes 112 eines Befestigungselements 110. Jede Aufnahme 160 definiert dabei eine Befestigungsrichtung, in der das jeweilige Befestigungselement 110 aus der Aufnahme 160 heraus in den Untergrund eintreibbar ist, und die vorliegend mit der Eintreibrichtung 170 identisch ist. Die Befestigungselemente 110 sind dabei bevorzugt mittig gehalten, also jeweils mit ihrem Schwerpunkt innerhalb einer Aufnahme 120. Jedes Befestigungselement 110 weist an seinem befestigungsrichtungsseitigen Ende eine in
Der Befestigungselementestreifen weist einen Stützfuss 230 auf, welcher von dem Streifenkern 130 an dessen in Befestigungsrichtung weisender Stirnseite 240 quer zur Streifenebene abragt, und zwar auf der den Aufnahmen 160 gegenüber liegenden Seite des Streifenkerns 130. Der Stützfuss 230 ist in Streifenlängsrichtung entlang mehrerer Befestigungselemente 110 durchgehend ausgebildet und somit in Streifenlängsrichtung sowohl auf Höhe der Befestigungselemente 110 als auch zwischen den Befestigungselementen 110 angeordnet. Der Stützfuss 230 weist eine ebene Abstützfläche auf, welche die in Befestigungsrichtung weisende Stirnseite 240 des Streifenkerns 130 bildet. Bei nicht gezeigten Ausführungsbeispielen ragt ein Stützfuss alternativ oder zusätzlich an einer entgegen der Befestigungsrichtung weisenden Stirnseite oder auch in dem Bereich zwischen den beiden Stirnseiten von dem Streifenkern ab. Bei weiteren nicht gezeigten Ausführungsbeispielen weist der Befestigungselementestreifen keinen abragenden Stützfuss auf.The fastening element strip has a
Wenn das Eintreibelement ein Befestigungselement 110 in der Aufnahme 120 zum Eintreiben in einen Untergrund in Eintreibrichtung 170 bewegt, werden die Gegenstützfläche 270 und damit der Streifenkern 130 von dem Stützelement 210 entgegen der Eintreibrichtung 170 abgestützt. Der Streifenkern 130 bewegt sich also nicht mit dem Befestigungselement 110 mit. Sobald der Kopf 116 des Befestigungselements 110 die Aufnahme 160 passiert, wird das Material der Aufnahme 160 über seine Streckgrenze gedehnt, so dass die Aufnahme 160 aufreisst und das Befestigungselement 110 vereinzelt wird. Die erforderliche Kraft für das Vereinzeln wird insbesondere dadurch reduziert, dass der Streifenkern 130 zusammen mit dem Stützfuss 230 in eine Aussparung 300 der Streifendurchführung 180 ausweichen kann, um den Kopf 116 mit reduzierter Seitenkraftbeaufschlagung passieren zu lassen. Hierbei wird der Streifenkern 130 gegen das Stützelement 210 belastet, so dass der Streifenkern 130 zusammen mit dem Stützelement 210 gegen die Federkraft der Stützfeder 250 in die Aussparung 300 hinein ausgelenkt.When the driving element moves a
Die vorliegende Erfindung wurde am Beispiel einer Eintreibvorrichtung für Befestigungselemente dargestellt. Es wird jedoch darauf hingewiesen, dass die erfindungsgemässe Vorrichtung auch für andere Anwendungszwecke geeignet ist.The present invention was illustrated using the example of a driving device for fastening elements. It is pointed out, however, that the device according to the invention is also suitable for other purposes.
Claims (15)
- Apparatus (100) for driving fastening elements (110) into a substrate, having a receptacle (120) for a fastening element, having a passage for a driving-in element, which drives a fastening element in the receptacle into the substrate in a driving-in direction (170), having a strip feed-through (180), defining a strip plane and a transport direction (200), for a strip core (130) carrying fastening elements, having a support element (210) for supporting the strip and/or a fastening element, and having a support spring (250), wherein the support element is able to be deflected transversely to the driving-in direction counter to a force of the support spring when a fastening element is moved in the driving-in direction by the driving-in element in order to separate the fastening element from the strip, characterized in that the strip core, in order to deflect the support element, is able to be loaded against the support element by a head (116) of the fastening element.
- Apparatus according to Claim 1, wherein the support element has a support face, which is directed counter to the driving-in direction or at an acute angle counter to the driving-in direction, is oriented in particular transversely to the strip plane and is in particular planar, for supporting the strip counter to the driving-in direction when a fastening element is moved in the driving-in direction by the driving-in element in order to separate the fastening element from the strip.
- Apparatus according to either of the preceding claims, wherein the support element is able to be deflected transversely to the transport direction counter to the force of the support spring when a fastening element is moved in the driving-in direction by the driving-in element in order to separate the fastening element from the strip.
- Apparatus according to one of the preceding claims, wherein the support element comprises the support spring and in particular is formed by the support spring.
- Apparatus according to one of the preceding claims, wherein the strip feed-through and/or the receptacle has a cutout, into which the strip is movable transversely to the transport direction and transversely to the driving-in direction when a fastening element in the receptacle is separated from the strip.
- Apparatus according to one of the preceding claims, wherein the support element is able to be deflected into the cutout counter to the force of the support spring when a fastening element is moved in the driving-in direction by the driving-in element in order to separate the fastening element from the strip.
- Apparatus according to one of the preceding claims, comprising a contact pressure sensor, which conveys a fastening element along the feed-through into the receptacle in the transport direction when the apparatus is pressed against a substrate and/or when a driving-in operation has been completed.
- Apparatus according to one of the preceding claims, wherein the support spring has a leaf spring.
- Fastening system having an apparatus (100) for driving fastening elements (110) into a substrate according to one of the preceding claims, and having a strip for fastening elements (110) each having a shank (112) and a head (116), comprising a strip core (130), defining a strip plane and a strip longitudinal direction, and a plurality of fastening elements that are held on the strip core (130) and each define a fastening direction oriented parallel to the strip plane, wherein the strip core (130) or at least one of the fastening elements has an in particular planar counterpart support face (270), and wherein the support element (210), in particular the support face, supports the counterpart support face (210) counter to the driving-in direction (170) when a fastening element (210) in the receptacle is moved in the driving-in direction.
- Fastening system according to Claim 9, wherein the head of a fastening element in the receptacle loads the strip core against the support element when the fastening element is separated from the strip.
- Fastening system according to either of the preceding claims, wherein the head of a fastening element in the receptacle moves the strip core or the support foot into the cutout when the fastening element is separated from the strip.
- Fastening system according to one of the preceding claims, wherein the counterpart support face is arranged on the end side, facing in the fastening direction, of the strip core and in particular forms the end side, facing in the fastening direction, of the strip core.
- Fastening system according to one of the preceding claims, wherein the strip core has a transport cutout.
- Fastening system according to one of the preceding claims, wherein the counterpart support face bounds the transport cutout.
- Fastening system according to one of the preceding claims, wherein the fastening elements are held in receptacles that project away from the strip core on the opposite side to the transport cutout, transversely to the strip plane.
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DE102013200551.2A DE102013200551A1 (en) | 2013-01-16 | 2013-01-16 | driving- |
PCT/EP2014/050559 WO2014111366A1 (en) | 2013-01-16 | 2014-01-14 | Driving-in device |
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EP2945777A1 EP2945777A1 (en) | 2015-11-25 |
EP2945777B1 true EP2945777B1 (en) | 2020-09-16 |
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US (1) | US10040180B2 (en) |
EP (1) | EP2945777B1 (en) |
KR (1) | KR101796848B1 (en) |
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- 2014-01-14 US US14/759,146 patent/US10040180B2/en active Active
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- 2014-01-14 EP EP14700400.6A patent/EP2945777B1/en active Active
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DE102013200551A1 (en) | 2014-07-17 |
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KR101796848B1 (en) | 2017-11-10 |
KR20150108866A (en) | 2015-09-30 |
WO2014111366A1 (en) | 2014-07-24 |
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