EP2944001B1 - Hydraulically actuatable pressing device and method for performing pressing - Google Patents
Hydraulically actuatable pressing device and method for performing pressing Download PDFInfo
- Publication number
- EP2944001B1 EP2944001B1 EP14700440.2A EP14700440A EP2944001B1 EP 2944001 B1 EP2944001 B1 EP 2944001B1 EP 14700440 A EP14700440 A EP 14700440A EP 2944001 B1 EP2944001 B1 EP 2944001B1
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- EP
- European Patent Office
- Prior art keywords
- partial
- crimping
- piston
- hydraulic
- pressing
- 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.)
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- 238000000034 method Methods 0.000 title claims description 17
- 238000002788 crimping Methods 0.000 claims description 47
- 230000006835 compression Effects 0.000 claims description 24
- 238000007906 compression Methods 0.000 claims description 24
- 244000208734 Pisonia aculeata Species 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/042—Hand tools for crimping
- H01R43/0427—Hand tools for crimping fluid actuated hand crimping tools
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49174—Assembling terminal to elongated conductor
- Y10T29/49181—Assembling terminal to elongated conductor by deforming
- Y10T29/49185—Assembling terminal to elongated conductor by deforming of terminal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/532—Conductor
- Y10T29/53209—Terminal or connector
- Y10T29/53213—Assembled to wire-type conductor
- Y10T29/53222—Means comprising hand-manipulatable implement
- Y10T29/53226—Fastening by deformation
Definitions
- the invention initially relates to a hydraulically actuated pressing device, preferably designed as a hand-held device, according to the features of the preamble of claim 1.
- the invention further relates to a method according to the features of the preamble of claim 8.
- Such crimping devices and methods for crimping are preferably used for crimping, also known as crimping, of cable lugs with inserted cables.
- a known pressing device compare DE-A1-3235040 , after touching the pressed part with a workpiece, a path limitation of the further travel path of the pressed part is triggered, which only permits a certain movement of the pressed part, starting from the position when the workpiece is touched. This allows workpieces of different sizes to be pressed approximately uniformly.
- a second pressing is carried out on a workpiece that has already been pressed.
- the pressed part moves a predetermined way again when workpiece contact begins, so that the workpiece can be destroyed.
- the pressing force is always the same. Small workpieces are therefore usually pressed with too high a pressing force. As a result of this, a workpiece can be destroyed.
- Another pressing tool is from the US-A-5195042 known.
- a pressure sensor is provided, as well as a control of the maximum travel of the pressed part. It can Although a larger pressing force is exerted on larger workpieces to be crimped and a lower pressing force is exerted on smaller workpieces, but only as a function of a measurement of the workpiece to be crimped and according to a pressure measurement using a pressure sensor.
- a press device is known in which only one partial piston acts on a first pressed part in a method on a first partial travel.
- a comparable prior art is also from the US 2,863,346 A , the US 4,365,401 A and the WO 02/00368 A2 known.
- the invention is concerned with the task of generally specifying a hydraulically actuated pressing device or device, preferably designed as a hand-held device, which, with a simple structure, makes it possible to be reliable, comparatively large and relatively large, without the need for tool changes relatively small workpieces, such as crimping cable lugs in particular.
- the invention is also concerned with the task of specifying a method which is advantageous in this regard.
- the stated object is first achieved in the subject matter of claim 1 with regard to the pressing device designed as a hand-held device, the aim being that the first pressing part is completely covered axially by the second pressing part.
- the object is further achieved in a method for carrying out a pressing according to claim 8, with the aim being that the completion of a pressing action is determined by reaching a predetermined pressure of the hydraulic medium acting on the hydraulic piston, regardless of whether a pressing end position is achieved in the first or second partial travel path, an effective maximum pressure is exerted on an effective acting surface of a piston acting on the pressed part and that a change in the effective acting surface of the piston is controlled to specify the pressing force.
- the larger maximum pressing force is to be achieved even with a smaller workpiece, it is possible, for example, to move such a smaller workpiece into the area of the larger maximum pressing force by changing the pressing counter-stop.
- the press stamp impressions can be the same and the press stamp impressions can be molded into the press sleeve at different depths or the press sleeve can be deformed to different extents by the press stamp impressions, one of which Cable with a smaller diameter associated with the stamp impression is molded deeper into the compression sleeve or has deformed the compression sleeve more than a stamp impression assigned with the cable with a larger diameter.
- both impressions of the press stamp are identical to one another in that they have caused less or more deformation of the press sleeve, but have not had any destructive effect, for example that the press sleeve has burst or cracked open.
- a first and a second clamping part can be provided and a first and a second partial piston can be provided, which are telescopically movable in the common hydraulic cylinder against each other against the force of a respective return spring, of which in any case the first partial piston is the first clamping part Clamping of the workpiece moves, further, when the partial pistons are acted upon by hydraulic medium, both partial pistons, the first partial piston leading to the second partial piston, are moved into a clamping position resulting in clamping of the workpiece, but preferably only one of the pistons or one with the respective one Partial piston connected clamping part, on which the workpiece rests, and the movement of the partial piston into the clamping position, after reaching the clamping position, is ended.
- a method beyond the clamping position therefore does not take place at least initially. Because only one of the partial pistons or a related clamping or pressing part rests on the workpiece, this pressing or clamping part which is in contact with it can deflect elastically when the workpiece moves to a certain extent, since a via the hydraulic medium Pressure equalization takes place to the other partial piston, which can deflect somewhat due to its return spring.
- a first and a second clamping part can be provided and a first and a second partial piston, which are telescopically movable relative to each other against the force of a respective return spring in a common hydraulic cylinder, whereby in any case the first clamping part can be moved by the first partial piston for clamping the workpiece, whereby further, when the partial pistons are acted upon by hydraulic medium, both partial pistons, the first partial piston leading to the second partial piston, can be moved into a clamping position resulting in the clamping of the workpiece and the movement of the partial pistons in the clamping position can be ended.
- the partial pistons are telescoped.
- One part of the piston is assigned to only one inner area, while the other part of the piston is assigned to only one outer area. This can equally be the case with regard to the pressed parts moved by the partial pistons.
- first partial piston forms a second hydraulic cylinder for the second partial piston.
- the second sub-piston is sealed and moved from a cylindrical interior of the first sub-piston.
- the second partial piston can be moved relatively to the first partial piston and can also be moved relatively to the first hydraulic cylinder in which the two partial pistons are accommodated together.
- Each partial piston is preferably assigned its own press part, a first and a second press part.
- both partial pistons can act on the first pressed part over part of the travel distance, preferably a travel distance that corresponds to the first travel partial path mentioned. If, as is further preferred, it is provided that the first partial application area is larger than the second partial application area, the first partial piston will advance within the first travel partial path.
- the press parts mentioned can be formed in a form-fitting manner with respect to one another. If the second press part forms a stop surface for the first press part and the first press part is primarily moved in the above-mentioned constellation, the second press part and thus also the second partial piston are thereby inevitably taken along.
- the second sub-piston with respect to the first hydraulic cylinder that is to say the hydraulic cylinder, in which ultimately both sub-pistons are accommodated, even if the second sub-piston only indirectly the first partial piston can be advanced further than the first partial piston.
- the second sub-piston can thus be moved beyond the first sub-piston and the assigned second press part can then move further with respect to the first press part that has not moved further, in particular on the second travel sub-path mentioned.
- the first partial application area is smaller than the second partial application area and also the restoring force of the return springs, which act on the first or second partial piston, is selected to be the same or in such a way that there is no opposite effect, then one First actuate the second piston.
- the first press part that is not yet in contact with the workpiece will continue to advance, if necessary until there is a joint action on the workpiece or the first press part after the end of the first movement has reached the end - Partial route can not continue.
- Both partial pistons are each acted upon by their own assigned first or second return spring. These restoring springs can also be selected differently with regard to their restoring force.
- a method of the first or second partial piston or a hydraulic medium application as such is only up to one certain first force is given, or for example only as long as an operating button is pressed. If the first force is reached or the control button is released, there is no further supply of hydraulic fluid into the first hydraulic cylinder, so that the pressed parts do not move any further.
- This can be used, for example, to first clamp a workpiece, but not yet, possibly not completely, to press it.
- the design of the hydraulic piston in the form of two partial pistons means that a partial piston can be moved against spring force in such a holding position.
- the press part can in particular be a crimp stamp.
- the two press parts, the first and the second press part, can be combined to form an overall crimp stamp.
- the second press part can form a central area of the overall crimping die and the first press part can form an outer area of the overall crimping die.
- a maximum pressure is exerted on an effective pressure surface of a piston that presses on the pressing part.
- the hydraulic piston as above
- an apparatus for this method also described, for example, consists of two partial pistons.
- the pressing force is controlled by changing the effective area of action of the piston.
- the control of the pressing force is carried out without sensors, and it is also preferred that the control is carried out solely by the aforementioned change in the effective action area of the piston.
- the pressing device also relate to the hydraulic device of a more general type, for example only for the purpose of clamping a workpiece.
- it can be a hydraulic press ram that is supported on one side only on a workpiece that is supported on the other side, for example, by a support surface (independent of the hydraulic device, or another hydraulic press ram).
- a pressing device 1 which is designed as a hand tool.
- the pressing device 1 has a grip area 2 which is adapted approximately to the width of a hand with regard to its longitudinal extent.
- An actuation switch 3 is assigned to the handle area.
- the pressing device 1 shown is an electrohydraulically actuated pressing device 1 with an accumulator 4.
- the accumulator 4 is arranged opposite to a working end 5 of the pressing device.
- the in Figure 1 Press device 1 shown elongated, approximated to a rod shape, formed.
- actuating device could also be designed far from the press head.
- the pressing device 1 further has a pressing part 6, which is designed as a crimp stamp in the embodiment.
- the pressing device 1 has a pressing counter-stop 7 against which a workpiece to be pressed can be placed, such as in FIG Figure 4 also shown.
- the counter-stop 7 is in the exemplary embodiment part of a first swivel part 9, which in cooperation with a second swivel part 10, which are each attached to a device head 13 via swivel joints 11, 12, can be brought to mutual locking, so that the device head 13 about out Figure 3 apparent closed - but laterally open - plant management results.
- the pressing device 1 has an electric motor 14, which is not shown in further detail and which preferably acts on a pump 16 via a gear 15.
- hydraulic medium here preferably hydraulic oil
- the hydraulic medium is accommodated in a hydraulic medium tank 19 which preferably surrounds the pump 16 and a return valve 18 in the exemplary embodiment.
- the pump and the return valve is still on the WO-A1 02/95264 ( US 7 086 979 B2 ), the WO-A1 99/04165 ( US 6 202 663 B1 ) and the WO-A1 99/19947 ( US 6 276186 B1 . US 6,401,515 B2 ) referred.
- a first hydraulic piston 20 is accommodated in the first hydraulic cylinder 17.
- the first hydraulic cylinder 17 has a cylinder longitudinal axis A.
- the first hydraulic piston 20 can be moved axially to the cylinder longitudinal axis A.
- the first hydraulic piston 20 is further in through a first return spring 21 when the hydraulic pressure is released or the hydraulic medium flows out Figure 4 shown starting position retractable.
- the first hydraulic piston 20 also has a first application surface, which results from the difference in the diameter dimensions a, outer diameter, and b, inner diameter, of the first hydraulic piston 20.
- the first hydraulic piston 20, which is designed as a partial piston, carries a second hydraulic piston 22 in its interior, in the exemplary embodiment and preferably centrally in its interior.
- the second hydraulic piston 22 has its own partial application area, which is determined by the diameter dimension b.
- the partial application surfaces are given in a circular or circular shape.
- the second hydraulic piston 22, also referred to as the second partial piston can be returned to its starting position against a second return spring 23 in the same way after pressing, as has already been described in principle with regard to the first hydraulic piston 20.
- the first hydraulic piston 20 is connected to a first press part 24.
- the first press part 24 which emerges from a through opening 25 in a cylinder base part 26 or also projects in the non-actuated state, is formed.
- the second sub-piston 22 also continues into a piston rod which, on the other hand, as a second press part 27 in the press chamber R, which is also circumferentially closed in the exemplary embodiment, compare approximately Figure 3 , is free even when not in use.
- first press part 24 is completely covered axially by the second press part 27.
- first press part 24 can also protrude beyond the second press part 27 transversely to the cylinder longitudinal axis A and, for example, as further shown, nested with the second press part 27 in the initial state according to FIG Figure 4 match.
- Both pistons 20 and 22 are telescoped.
- the second partial piston 22 in relation to its second piston rod, projects beyond the first partial piston 20, in relation to its first piston rod.
- the first sub-piston 20 correspondingly forms a second hydraulic cylinder for the second sub-piston 22.
- the second sub-piston 22 can be moved by the dimension c relative to the first sub-piston 20, while the first sub-piston 20 can be moved by the dimension d relative to the first, hydraulic cylinder 17 fixed to the housing. Accordingly, the second partial piston 22 can be moved a maximum of the sum of the dimensions c and d.
- the dimension d is set such that, starting from the cylinder base part 26, a stop part 27 extends in the first hydraulic cylinder 17, ie contrary to the direction of travel of a partial piston when a pressing process is carried out.
- This can, and is preferred in the embodiment, be sleeve-like.
- the dimension d can also be changed comparatively easily by using a stop part 28 having a different extension.
- Both partial pistons 20, 22 can be used to act together on the second pressing part 27 via a first partial travel which corresponds to dimension d.
- first partial travel which corresponds to dimension d.
- second pressing part 27 can only be acted upon by the second partial piston 22.
- the second sub-piston 22 can also be advanced further than the first sub-piston 20, although in the exemplary embodiment and, as can be seen, preferably the relative travel distance according to dimension c with respect to the second sub-piston 20 that applies to the second sub-piston 22 Hydraulic cylinder, is less than the dimension d for the maximum travel distance of the first piston part 20th
- the partial application areas given by the dimensions a and b are preferably selected in the exemplary embodiment such that the first partial application area, which is assigned to the first partial piston 20, is larger than the second partial application area of the second partial piston 22.
- the restoring forces of the restoring springs which usually and preferably increase approximately linearly in the exemplary embodiment with the extension of the first or second partial travel path according to dimension d or c, are preferably selected such that the restoring force of the second restoring spring 23 is greater than the restoring force of the first Return spring 21.
- a cable lug 29 has a receiving space 30, in which an end of a cable 31, which is stripped in the exemplary embodiment, is inserted. By press action from on the outside of the receiving space 30 of the cable lug 29, the cable 31 is firmly and electrically connected to the cable lug 29.
- the Figures 4 to 6 show the pressing of a comparatively large - with regard to the outer diameter of the receiving space 30 - cable lug.
- hydraulic fluid here hydraulic oil
- the downstream gear 15 and the pump 16 hydraulic fluid, here hydraulic oil
- the pressure in the hydraulic medium space or in the cylinder space increases continuously as a result of the counterpressure caused by the return springs.
- a significant increase in pressure begins when, as in Figure 5 shown, a first contact of the first pressed part 27 with the cable lug 29 takes place. Since the first partial piston 20 has not yet come to rest against the stop part 28, both partial pistons 20, 22 move further in the direction of the cable lug 29 to be crimped.
- a pressure measurement could also take place in the cylinder space with regard to the pressure of the hydraulic medium or for example a pressure measurement in the piston skirt of the first or second partial piston.
- a hydraulic piston could be retracted, for example by actuating, in particular motorized, opening of a return valve.
- the return valve 18 has responded automatically solely as a function of the pressure of the hydraulic medium reached, that is to say has moved into the open position, the hydraulic medium runs back, the pressure drops in the cylinder chamber and the pistons are returned to their starting position by the return springs Figure 4 moved back.
- the first piston 20 is already in contact with the stop part 28 before the second pressing part 27 its final compression position ( Figure 9 ) has reached.
- the pressing force is only determined by the partial application surface of the second hydraulic piston 22.
- a telescopic ancestor of the second press part 27 with respect to the first press part 24 occurs.
- such telescoping could also occur beforehand in the course of a pressing process. This is evidently also dependent on the force of the return springs 21, 23.
- a pressing force that can be exerted by the pressing part 24 or 27 is controlled accordingly depending on the position of the pressing part 24 or 27 on the travel path, specifically in the exemplary embodiment by the position of the stop part 28, that the pressing part 24 and / or 27 only achieves a maximum in a final press position within a first travel partial path Pressing force is exerted.
- the first partial travel is, for example, according to the travel of the first hydraulic piston 20 from an initial position Figure 7 until the stop 28 is reached, as in Figure 9 given, determined.
- a partial press force that is only lower than the maximum pressing force is exerted, in the exemplary embodiment determined by the then only effective partial application area of the second hydraulic piston 22 according to the dimension With the same hydraulic pressure, the smaller application area also produces only a smaller force.
- Figure 10 is a hydraulic device, in more detail the hydraulic pressing device, as has already been described above, is shown in the state of clamping a workpiece 8.
- the second pressing part 27, which can also be used here only as a clamping part, is telescopically advanced to the first pressing part or clamping part 24.
- the press or clamping parts 24, 27 mentioned are connected to the partial pistons 20, 22 already described. Both partial pistons 20, 22 are moved a little in the extension direction in the common hydraulic cylinder 27, in this case the second partial piston 22 acting on second clamping part 27 leads to first partial piston 20 acting on first clamping part 24.
- both clamping parts 24, 27 also acts on the workpiece 8.
- both clamping parts 24, 27 it is also possible for both clamping parts 24, 27 to have a clamping effect on the workpiece 8 at the same time.
- a compression sleeve 33 is shown, first of all in Figure 11 , in the initial state, before pressing.
- the compression sleeve 33 is given as a tubular part of constant diameter.
- the compression sleeve 33 can be seen from two opposite sides of cables 31 and 34 of larger or smaller diameter.
- the cable 34 shown clearly shows a clear radial clearance to an inner surface of the compression sleeve 33.
- it can be copper or aluminum cables.
- each cable is more preferably composed of a plurality of strands.
- the various common cable cross-sections can be used.
- it can be the pairing (large / small) in each case from 35 mm 2 to 16 mm 2 , 95 mm 2 to 16 mm 2 , 185 mm 2 to 70 mm 2 , 120 mm 2 to 95 mm 2 , and also others Variants are possible, e.g. 70 mm 2 to 16 mm 2 , 120 mm 2 to 95 mm 2 etc.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Press Drives And Press Lines (AREA)
- Automatic Assembly (AREA)
Description
Die Erfindung betrifft zunächst eine hydraulisch betätigbare, vorzugsweise als Handgerät ausgebildete, Pressvorrichtung nach den Merkmalen des Oberbegriffes des Anspruches 1.The invention initially relates to a hydraulically actuated pressing device, preferably designed as a hand-held device, according to the features of the preamble of
Die Erfindung betrifft weiter ein Verfahren nach den Merkmalen des Oberbegriffes des Anspruches 8.The invention further relates to a method according to the features of the preamble of claim 8.
Solche Pressgeräte und Verfahren zum Verpressen werden vorzugsweise zum Verpressen, auch als Vercrimpen bezeichnet, von Kabelschuhen mit eingesteckten Kabeln verwendet. Bei einem bekannten Verpressgerät, vergleiche
Ein weiteres Presswerkzeug ist aus der
Aus der
Aus der
Ausgehend von dem dargestellten Stand der Technik beschäftigt sich die Erfindung mit der Aufgabenstellung, eine hydraulisch betätigbare, vorzugsweise als Handgerät ausgebildete Pressvorrichtung bzw. Vorrichtung allgemein anzugeben, die es bei einfachem Aufbau ermöglicht, zuverlässig, ohne dass Umstellungen am Werkzeug erforderlich sind, vergleichsweise große und verhältnismäßig kleine Werkstücke, wie insbesondere Kabelschuhe zu verpressen. Auch beschäftigt sich die Erfindung mit der Aufgabe, ein diesbezüglich vorteilhaftes Verfahren anzugeben.Starting from the prior art shown, the invention is concerned with the task of generally specifying a hydraulically actuated pressing device or device, preferably designed as a hand-held device, which, with a simple structure, makes it possible to be reliable, comparatively large and relatively large, without the need for tool changes relatively small workpieces, such as crimping cable lugs in particular. The invention is also concerned with the task of specifying a method which is advantageous in this regard.
Die genannte Aufgabe ist zunächst beim Gegenstand des Anspruches 1 hinsichtlich der als Handgerät ausgebildeten Verpressvorrichtung gelöst, wobei darauf abgestellt ist, dass das erste Pressteil axial vollständig von dem zweiten Pressteil überdeckt ist.The stated object is first achieved in the subject matter of
Die Einwirkung mit höherer und niedrigerer Presskraft im Zuge des Verpressens ergibt sich selbsttätig, wie nachstehend auch noch in weiterer Einzelheit erläutert.The action with higher and lower pressing force in the course of pressing results automatically, as explained in more detail below.
Die Aufgabe ist weiter bei einem Verfahren zur Durchführung einer Verpressung gemäß Anspruch 8 gelöst, wobei darauf abgestellt ist, dass die Vollendung einer Presseinwirkung durch ein Erreichen eines vorgegebenen auf den Hydraulikkolben wirkenden Druckes des Hydraulikmittels bestimmt wird, dass unabhängig davon, ob eine Press-Endstellung in dem ersten oder zweiten Verfahr-Teilweg erreicht wird, auf eine wirksame Beaufschlagungsfläche eines das Pressteil beaufschlagenden Kolbens ein selber maximaler Druck ausgeübt wird und dass zur Vorgabe der Presskraft eine Änderung der wirksamen Beaufschlagungsfläche des Kolben gesteuert wird..The object is further achieved in a method for carrying out a pressing according to claim 8, with the aim being that the completion of a pressing action is determined by reaching a predetermined pressure of the hydraulic medium acting on the hydraulic piston, regardless of whether a pressing end position is achieved in the first or second partial travel path, an effective maximum pressure is exerted on an effective acting surface of a piston acting on the pressed part and that a change in the effective acting surface of the piston is controlled to specify the pressing force.
Mit der genannten vorgegebenen Presskraft innerhalb des ersten bzw. zweiten Verfahr-Teilweges ist erreicht, dass eine Presskraft am Ende einer ersten Teil-Verfahrstrecke größer ist als am Ende der Gesamt-Verfahrstrecke. Große Werkstücke, die eine große Presskraft erfordern, können daher auf dem ersten Teil-Verfahrweg verpresst werden, während kleine Werkstücke, die eine geringe Presskraft erfordern, nur auf dem zweiten Verfahr-Teilweg verpresst werden können, so dass selbsttätig nur eine geringere maximale Presskraft zur Einwirkung kommt.With the specified press force within the first or second partial travel path, it is achieved that a press force at the end of a first partial travel distance is greater than at the end of the total travel distance. Large workpieces that require a large pressing force can therefore be pressed on the first partial travel, while small workpieces that require a low pressing force can only be pressed on the second partial travel, so that only a lower maximum pressing force is automatically applied Influence comes.
Wenn etwa aus bestimmten Gründen auch bei einem kleineren Werkstück die größere maximale Presskraft erreicht werden soll, ist es beispielsweise möglich, durch Veränderung des Verpress-Gegenanschlages ein solches kleineres Werkstück in den Bereich der größeren maximalen Presskraft zu versetzen.If, for certain reasons, for example, the larger maximum pressing force is to be achieved even with a smaller workpiece, it is possible, for example, to move such a smaller workpiece into the area of the larger maximum pressing force by changing the pressing counter-stop.
Bei einer elektrisch leitfähigen Pressverbindung zwischen einer Presshülse und zwei Kabeln unterschiedlichen Durchmessers kann dadurch gegeben sein, dass die Presshülse, die über ihre Länge einen gleichbleibenden Innendurchmesser aufweist, in zwei in einer Längsrichtung der Presshülse gegenüberliegenden Bereichen mit den Kabeln unterschiedlichen Durchmessers durch zwei zweimalige Einwirkung desselben Pressstempels von außen auf die Presshülse, über die Länge der Presshülse nebeneinander und jeweils zugeordnet einem zu verpressenden Endbereich des Kabels größeren Durchmessers bzw. des Kabels kleineren Durchmessers verpresst wird, mit einer bei beiden Einwirkungen unterschiedlichen Presskraft. Dadurch, dass zwar bei beiden Einwirkungen auf eine Presshülse mit gleichem Ausgangsdurchmesser eingewirkt wird, gleichwohl aber die Presshülse unterschiedlich stark verformt werden kann, da im Falle eines Kabels kleineren Durchmessers eine größere Verformung möglich ist, kann in diesem Fall auch eine kleinere Presskraft ausreichen. Dagegen kann bei dem Kabel größeren Durchmessers, insbesondere aufgrund des Widerstandes der beim Verpressen durch das Kabel selbst der Pressung entgegengesetzt wird, die höhere Presskraft erforderlich sein, um zu einem gleichen hinsichtlich elektrischer Leitfähigkeit guten Pressergebnis zu kommen. Die niedrigere Presskraft bei der Einwirkung auf den Bereich der Presshülse, der dem Kabel kleineren Durchmessers zugeordnet ist, verhindert auch, dass die Presshülse in diesem Bereich etwa im Zuge der Pressung zerstört werden kann.In the case of an electrically conductive press connection between a press sleeve and two cables of different diameters, it can be the case that the press sleeve, which has a constant inner diameter over its length, with the cables of different diameters in two areas opposite in a longitudinal direction of the press sleeve, by two double actions of the same Press stamp is pressed from the outside onto the press sleeve, along the length of the press sleeve next to one another and in each case assigned to an end region to be pressed, of the cable of larger diameter or of the cable of smaller diameter, with a different pressing force under both actions. As a result of the fact that both presses act on a compression sleeve with the same initial diameter, the compression sleeve can nevertheless be deformed to different extents, since in the case of a cable with a smaller diameter a greater deformation is possible, a smaller compression force may also be sufficient in this case. On the other hand, in the case of the cable of larger diameter, in particular due to the resistance which is opposed to the pressing itself when the cable is pressed, the higher pressing force may be required in order to achieve the same pressing result with regard to electrical conductivity. The lower pressing force when acting on the area of the pressing sleeve, which is assigned to the cable of smaller diameter, also prevents the pressing sleeve in this area from being destroyed, for example in the course of pressing.
Bevorzugt ist insbesondere, dass sich die Einwirkung mit höherer oder niedrigerer Presskraft im Zuge des Verpressens selbsttätig ergibt, wie nachstehend noch in weiterer Einzelheit erläutert.It is particularly preferred that the action with a higher or lower pressing force results automatically during the pressing, as will be explained in more detail below.
Bei einer verpressten Presshülse, mit zwei Kabeln, die in Bezug auf eine Längsrichtung der Presshülse in gegenüberliegenden Bereichen verpresst sind, wobei die verpresste Presshülse zwei auf einer Außenseite und über die Länge der Presshülse nebeneinander ausgebildete Pressstempel-Eindrücke aufweist und die Kabel unterschiedliche Durchmesser aufweisen, können die Pressstempel-Eindrücke gleich sein und die Pressstempel-Eindrücke unterschiedlich tief in die Presshülse eingeformt sein bzw. die Presshülse durch die Pressstempel-Eindrücke unterschiedlich stark verformt sein, wobei ein dem Kabel kleineren Durchmessers zugeordneter Pressstempel-Eindruck tiefer in die Presshülse eingeformt ist bzw. die Presshülse stärker verformt hat als ein dem Kabel größeren Durchmessers zugeordneter Pressstempel-Eindruck. Gleichwohl sind beide Pressstempel-Eindrücke insofern zueinander gleich, als sie zwar eine geringere oder stärkere Verformung der Presshülse erbracht haben, aber keine zerstörende Einwirkung, dass es etwa zu einem Aufplatzen oder Aufspringen der Presshülse gekommen ist, erbracht haben.In the case of a pressed compression sleeve, with two cables which are pressed in opposite regions with respect to a longitudinal direction of the compression sleeve, the pressed compression sleeve being on an outside and over the length of the If the press sleeve has press stamp impressions formed next to one another and the cables have different diameters, the press stamp impressions can be the same and the press stamp impressions can be molded into the press sleeve at different depths or the press sleeve can be deformed to different extents by the press stamp impressions, one of which Cable with a smaller diameter associated with the stamp impression is molded deeper into the compression sleeve or has deformed the compression sleeve more than a stamp impression assigned with the cable with a larger diameter. Nevertheless, both impressions of the press stamp are identical to one another in that they have caused less or more deformation of the press sleeve, but have not had any destructive effect, for example that the press sleeve has burst or cracked open.
Hinsichtlich des Klemmens eines Werkstückes kann ein erstes und ein zweites Klemmteil vorgesehen sein und ein erster und ein zweiter Teilkolben vorgesehen sind, die in dem gemeinsamen Hydraulikzylinder teleskopierend zueinander gegen die Kraft einer jeweiligen Rückstellfeder bewegbar sind, von denen jedenfalls der erste Teilkolben das erste Klemmteil zum Klemmen des Werkstücks verfährt, wobei weiter bei einer Beaufschlagung der Teilkolben mit Hydraulikmedium beide Teilkolben, der erste Teilkolben voreilend zu dem zweiten Teilkolben, bis in eine Klemmung des Werkstückes ergebende Klemmstellung verfahren werden, wobei jedoch bevorzugt nur einer der Kolben bzw. ein mit dem jeweiligen Teilkolben verbundenes Klemmteil, an dem Werkstück anliegt, und das Verfahren der Teilkolben in die Klemmstellung, nach Erreichen der Klemmstellung, beendet wird. Ein Verfahren über die Klemmstellung hinaus findet also zumindest zunächst nicht statt. Dadurch, dass nur einer der Teilkolben bzw. ein diesbezügliches Klemm- oder Pressteil an dem Werkstück anliegt, kann bei gewisser Bewegung des Werkstückes dieses anliegende Press- oder Klemmteil elastisch ausweichen, da über das Hydraulikmedium ein Druckausgleich zu dem anderen Teilkolben stattfindet, der aufgrund seiner Rückstellfeder hierbei etwas einfedern kann.With regard to the clamping of a workpiece, a first and a second clamping part can be provided and a first and a second partial piston can be provided, which are telescopically movable in the common hydraulic cylinder against each other against the force of a respective return spring, of which in any case the first partial piston is the first clamping part Clamping of the workpiece moves, further, when the partial pistons are acted upon by hydraulic medium, both partial pistons, the first partial piston leading to the second partial piston, are moved into a clamping position resulting in clamping of the workpiece, but preferably only one of the pistons or one with the respective one Partial piston connected clamping part, on which the workpiece rests, and the movement of the partial piston into the clamping position, after reaching the clamping position, is ended. A method beyond the clamping position therefore does not take place at least initially. Because only one of the partial pistons or a related clamping or pressing part rests on the workpiece, this pressing or clamping part which is in contact with it can deflect elastically when the workpiece moves to a certain extent, since a via the hydraulic medium Pressure equalization takes place to the other partial piston, which can deflect somewhat due to its return spring.
Weiter kann ein erstes und zweites Klemmteil vorgesehen sein und ein erster und ein zweiter Teilkolben, die in einem gemeinsamen Hydraulikzylinder teleskopierbar zueinander gegen die Kraft einer jeweiligen Rückstellfeder bewegbar sind, wobei jedenfalls das erste Klemmteil von dem ersten Teilkolben zum Klemmen des Werkstücks verfahrbar ist, wobei weiter bei einer Beaufschlagung der Teilkolben mit Hydraulikmedium beide Teilkolben, der erste Teilkolben voreilend zu dem zweiten Teilkolben, bis in eine die Klemmung des Werkstückes ergebende Klemmstellung verfahrbar sind und das Verfahren der Teilkolben in der Klemmstellung beendbar ist.Furthermore, a first and a second clamping part can be provided and a first and a second partial piston, which are telescopically movable relative to each other against the force of a respective return spring in a common hydraulic cylinder, whereby in any case the first clamping part can be moved by the first partial piston for clamping the workpiece, whereby further, when the partial pistons are acted upon by hydraulic medium, both partial pistons, the first partial piston leading to the second partial piston, can be moved into a clamping position resulting in the clamping of the workpiece and the movement of the partial pistons in the clamping position can be ended.
Es ist bevorzugt, dass die Teilkolben teleskopartig ineinandergeführt sind. Der eine Teilkolben ist entsprechend nur einem inneren Bereich zugeordnet, während der andere Teilkolben nur einem äußeren Bereich zugeordnet ist. Dies kann hinsichtlich der durch die Teilkolben bewegten Pressteile gleichermaßen gegeben sein.It is preferred that the partial pistons are telescoped. One part of the piston is assigned to only one inner area, while the other part of the piston is assigned to only one outer area. This can equally be the case with regard to the pressed parts moved by the partial pistons.
Es ist weiter bevorzugt, dass der erste Teilkolben einen zweiten Hydraulikzylinder für den zweiten Teilkolben bildet. Der zweite Teilkolben ist gegenüber einem zylindrischen Innenraum des ersten Teilkolbens abgedichtet und bewegt. Der zweite Teilkolben ist relativ verfahrbar zu dem ersten Teilkolben und auch relativ verfahrbar zu dem ersten Hydraulikzylinder, in dem beide Teilkolben zusammen aufgenommen sind.It is further preferred that the first partial piston forms a second hydraulic cylinder for the second partial piston. The second sub-piston is sealed and moved from a cylindrical interior of the first sub-piston. The second partial piston can be moved relatively to the first partial piston and can also be moved relatively to the first hydraulic cylinder in which the two partial pistons are accommodated together.
Bevorzugt ist jedem Teilkolben ein eigenes Pressteil, ein erstes und ein zweites Pressteil, zugeordnet.Each partial piston is preferably assigned its own press part, a first and a second press part.
Weiter bevorzugt ist vorgesehen, dass mit beiden Teilkolben über einen Teil der Verfahrstrecke, bevorzugt einer Verfahrstrecke, die dem genannten ersten Verfahr-Teilweg entspricht, auf das erste Pressteil einwirkbar ist. Wenn, wie weiter bevorzugt, vorgesehen ist, dass die erste Teil-Beaufschlagungsfläche größer ist als die zweite Teil-Beaufschlagungsfläche, wird sich innerhalb des ersten Verfahr-Teilweges der erste Teilkolben voreilend bewegen. Insofern kann vorgesehen sein, dass mit dem dem ersten Teilkolben zugeordneten ersten Pressteil auf das dem zweiten Teilkolben zugeordnete zweite Pressteil über eine erste Verfahrstrecke, bevorzugt den genannten ersten Verfahr-Teilweg, auf das erste Pressteil einwirkbar ist. Hierzu können die genannten Pressteile etwa formschlüssig zueinander gebildet sein. Wenn das zweite Pressteil eine Anschlagfläche für das erste Pressteil bildet und das erste Pressteil in der genannten Konstellation vorrangig bewegt wird, wird hierdurch das zweite Pressteil und somit auch der zweite Teilkolben zwangsläufig mitgenommen.It is further preferably provided that both partial pistons can act on the first pressed part over part of the travel distance, preferably a travel distance that corresponds to the first travel partial path mentioned. If, as is further preferred, it is provided that the first partial application area is larger than the second partial application area, the first partial piston will advance within the first travel partial path. In this respect it can be provided that with the first press part assigned to the first partial piston, the second press part assigned to the second partial piston can be acted on the first press part over a first travel distance, preferably the aforementioned first partial travel. For this purpose, the press parts mentioned can be formed in a form-fitting manner with respect to one another. If the second press part forms a stop surface for the first press part and the first press part is primarily moved in the above-mentioned constellation, the second press part and thus also the second partial piston are thereby inevitably taken along.
Es kann auch vorgesehen sein, dass der zweite Teilkolben bezüglich des ersten Hydraulikzylinders, also des Hydraulikzylinders, in dem letztlich beide Teilkolben aufgenommen sind, wenn auch der zweite Teilkolben nur mittelbar über dem ersten Teilkolben, weiter vorfahrbar ist als der erste Teilkolben. Somit kann der zweite Teilkolben über den ersten Teilkolben hinaus verfahren werden und sich das zugeordnete zweite Pressteil dann gegenüber dem, insbesondere auf dem genannten zweiten Verfahr-Teilweg, nicht weiterbewegten ersten Pressteil weiter bewegen.It can also be provided that the second sub-piston with respect to the first hydraulic cylinder, that is to say the hydraulic cylinder, in which ultimately both sub-pistons are accommodated, even if the second sub-piston only indirectly the first partial piston can be advanced further than the first partial piston. The second sub-piston can thus be moved beyond the first sub-piston and the assigned second press part can then move further with respect to the first press part that has not moved further, in particular on the second travel sub-path mentioned.
Hinsichtlich der Teil-Beaufschlagungsflächen kann sowohl vorgesehen sein, dass die erste Teil-Beaufschlagungsfläche kleiner ist als die zweite Teil-Beaufschlagungsfläche als auch, dass die erste Teil-Beaufschlagungsfläche, wie zuvor vornehmlich betrachtet, größer ist als die zweite Teil-Beaufschlagungsfläche. Im Falle, dass die erste Teil-Beaufschlagungsfläche kleiner ist als die zweite Teil-Beaufschlagungsfläche und auch die Rückstellkraft der Rückstellfedern, die jeweils auf den ersten beziehungsweise zweiten Teilkolben wirken, gleich oder so gewählt ist, dass sich keine gegenteilige Wirkung ergibt, fährt bei einer Betätigung zunächst der zweite Teilkolben vor. Wenn das mit dem zweiten Teilkolben beaufschlagte zweite Pressteil sodann auf ein Werkstück trifft, wird das noch nicht in Berührung mit dem Werkstück stehende erste Pressteil weiter vorfahren, gegebenenfalls bis eine gemeinsame Einwirkung auf das Werkstück erfolgt oder das erste Pressteil zufolge Erreichen des Endes des ersten Verfahr-Teilweges nicht weiter verfahren kann.With regard to the partial application areas, provision can be made both for the first partial application area to be smaller than the second partial application area and for the first partial application area to be larger than the second partial application area. In the event that the first partial application area is smaller than the second partial application area and also the restoring force of the return springs, which act on the first or second partial piston, is selected to be the same or in such a way that there is no opposite effect, then one First actuate the second piston. When the second press part, which is loaded with the second partial piston, then hits a workpiece, the first press part that is not yet in contact with the workpiece will continue to advance, if necessary until there is a joint action on the workpiece or the first press part after the end of the first movement has reached the end - Partial route can not continue.
Beide Teilkolben sind durch jeweils eine eigene zugeordnete erste beziehungsweise zweite Rückstellfeder beaufschlagt. Diese Rückstellfedern können auch hinsichtlich ihrer Rückstellkraft unterschiedlich gewählt sein.Both partial pistons are each acted upon by their own assigned first or second return spring. These restoring springs can also be selected differently with regard to their restoring force.
Bei einer Betätigung der hydraulischen Pressvorrichtung kann auch vorgesehen sein, dass ein Verfahren des ersten beziehungsweise zweiten Teilkolbens beziehungsweise eine Hydraulikmittel-Beaufschlagung als solche nur bis zu einer gewissen ersten Kraft gegeben ist, oder beispielsweise nur solange eine Bedienungstaste gedrückt ist. Wird die erste Kraft erreicht oder die Bedienungstaste freigegeben, erfolgt keine weitere Zufuhr von Hydraulikmittel in den ersten Hydraulikzylinder, so dass die Pressteile nicht weiter verfahren. Dies kann beispielsweise genutzt sein, um ein Werkstück zunächst einzuklemmen, aber noch nicht, gegebenenfalls noch nicht vollständig, zu verpressen. Die Ausgestaltung des Hydraulikkolbens in Form von zwei Teilkolben bewirkt in diesem Zusammenhang, dass ein Teilkolben in einer solchen Haltestellung gegen Federkraft bewegt werden kann. Wenn beispielsweise der zweite Teilkolben in Klemmanlage zu einem Werkstück ist, der erste Teilkolben aber noch nicht das Ende des ersten Verfahr-Teilweges erreicht hat, wird bei einer Druckbeaufschlagung auf das zweite Pressteil eine Druckerhöhung in dem Hydraulikmittel ausgelöst, was zu einer Bewegung des ersten Teilkolbens gegen seine Rückstellfeder führen kann, wenn das erste Pressteil, wie hier angenommen, nicht in Anlage an dem Werkstück ist.When the hydraulic press device is actuated, it can also be provided that a method of the first or second partial piston or a hydraulic medium application as such is only up to one certain first force is given, or for example only as long as an operating button is pressed. If the first force is reached or the control button is released, there is no further supply of hydraulic fluid into the first hydraulic cylinder, so that the pressed parts do not move any further. This can be used, for example, to first clamp a workpiece, but not yet, possibly not completely, to press it. In this context, the design of the hydraulic piston in the form of two partial pistons means that a partial piston can be moved against spring force in such a holding position. If, for example, the second partial piston is clamped to a workpiece, but the first partial piston has not yet reached the end of the first travel partial path, a pressure increase in the hydraulic medium is triggered when pressure is applied to the second pressed part, which leads to a movement of the first partial piston can lead against its return spring if the first press part, as assumed here, is not in contact with the workpiece.
Das Pressteil kann insbesondere ein Crimpstempel sein.The press part can in particular be a crimp stamp.
Die beiden Pressteile, das erste und das zweite Pressteil, können sich zu einem Gesamt-Crimpstempel ergänzen. Hierbei kann das zweite Pressteil einen mittleren Bereich des Gesamt-Crimpstempels bilden und das erste Pressteil einen äußeren Bereich des Gesamt-Crimpstempels.The two press parts, the first and the second press part, can be combined to form an overall crimp stamp. In this case, the second press part can form a central area of the overall crimping die and the first press part can form an outer area of the overall crimping die.
Hinsichtlich des Verfahrens ist weiter bevorzugt, dass unabhängig davon, ob eine Press-Endstellung in dem ersten oder zweiten Verfahr-Teilweg erreicht wird, auf eine wirksame Beaufschlagungsfläche eines das Pressteil beaufschlagenden Kolbens ein selber maximaler Druck ausgeübt wird. Dies ist entsprechend insbesondere auch dann gegeben, wenn der Hydraulikkolben, wie vorstehend im Hinblick auf eine Ausführungsform eines Gerätes zu diesem Verfahren auch beispielsweise beschrieben, aus zwei Teilkolben besteht.With regard to the method, it is further preferred that, regardless of whether a pressing end position is reached in the first or second partial travel, a maximum pressure is exerted on an effective pressure surface of a piston that presses on the pressing part. This is particularly the case when the hydraulic piston, as above With regard to an embodiment of an apparatus for this method also described, for example, consists of two partial pistons.
Es ist auch bevorzugt, dass die Steuerung der Presskraft durch eine Änderung der wirksamen Beaufschlagungsfläche des Kolbens vorgenommen wird. Insbesondere ist auch bevorzugt, dass die Steuerung der Presskraft sensorlos vorgenommen wird und auch bevorzugt, dass die Steuerung allein durch die genannte Änderung der wirksamen Beaufschlagungsfläche des Kolbens vorgenommen wird.It is also preferred that the pressing force is controlled by changing the effective area of action of the piston. In particular, it is also preferred that the control of the pressing force is carried out without sensors, and it is also preferred that the control is carried out solely by the aforementioned change in the effective action area of the piston.
Die vorstehenden und nachstehenden Ausführungen hinsichtlich der Pressvorrichtung betreffen auch die hydraulische Vorrichtung allgemeinerer Art, etwa nur zum Zwecke einer Klemmung eines Werkstückes. Beispielsweise kann es sich um einen hydraulischen Pressstempel handeln, der nur einseitig auf ein Werkstück, das anderseitig beispielsweise durch eine Auflagefläche (unabhängig von der hydraulischen Vorrichtung, oder einem weiteren hydraulischen Pressstempel) abgestützt ist.The above and following explanations with regard to the pressing device also relate to the hydraulic device of a more general type, for example only for the purpose of clamping a workpiece. For example, it can be a hydraulic press ram that is supported on one side only on a workpiece that is supported on the other side, for example, by a support surface (independent of the hydraulic device, or another hydraulic press ram).
Nachstehend ist die Erfindung des Weiteren anhand der beigefügten Zeichnung, die aber lediglich ein Ausführungsbeispiel darstellt, erläutert.The invention is further explained below with reference to the accompanying drawing, which, however, only represents an exemplary embodiment.
Hierbei zeigt:
- Fig. 1
- eine perspektivische Ansicht eines Pressgerätes;
- Fig. 2
- eine Ansicht betreffend eine Schmalseite;
- Fig. 3
- eine Ansicht betreffend eine Breitseite;
- Fig. 4
- einen Querschnitt durch das Pressgerät, im oberen Bereich, bei eingelegtem großen Werkstück;
- Fig. 5
- eine
Darstellung gemäß Figur 4 , bei einem Verfahren des Teilkolbens bis zu einer ersten Berührung mit dem Werkstück; - Fig. 6
- das
Pressgerät gemäß Figur 4 , bei Erreichen der höchsten Verpresskraft; - Fig. 7
- eine
Darstellung gemäß Figur 4 , jedoch mit einem kleinen Werkstück; - Fig. 8
- das Presswerkzeug mit eingelegtem Werkstück gemäß
Figur 7 nach einem Verfahren der Teil-Presskolben bis zu einer ersten Berührung mit dem Werkstück; - Fig. 9
- eine Darstellung des Presswerkzeugs mit Werkstück gemäß
Figur 7 , bei Erreichen der höchsten Presskraft; - Fig. 10
- eine Darstellung der hydraulischen Vorrichtung in einer Klemmstellung bezüglich eines Werkstücks;
- Fig. 11
- einen Querschnitt durch eine Presshülse mit eingelegtem elektrischem Leiter größeren und kleineren Durchmessers;
- Fig. 12
- die
Klemmhülse gemäß Figur 11 nach einer Verpressung; und - Fig. 13
- eine Draufsicht auf die verpresste Presshülse gemäß
.Figur 12
- Fig. 1
- a perspective view of a pressing device;
- Fig. 2
- a view of a narrow side;
- Fig. 3
- a view regarding a broadside;
- Fig. 4
- a cross section through the pressing device, in the upper area, with a large workpiece inserted;
- Fig. 5
- a representation according to
Figure 4 , in a movement of the partial piston up to a first contact with the workpiece; - Fig. 6
- the pressing device according to
Figure 4 , when the highest pressing force is reached; - Fig. 7
- a representation according to
Figure 4 , but with a small workpiece; - Fig. 8
- the pressing tool with the workpiece inserted
Figure 7 after a movement of the partial plunger up to a first contact with the workpiece; - Fig. 9
- a representation of the pressing tool with workpiece according
Figure 7 , when the highest pressing force is reached; - Fig. 10
- a representation of the hydraulic device in a clamping position with respect to a workpiece;
- Fig. 11
- a cross section through a compression sleeve with an inserted electrical conductor larger and smaller diameter;
- Fig. 12
- the ferrule according to
Figure 11 after pressing; and - Fig. 13
- a plan view of the pressed compression sleeve according to
Figure 12 ,
Dargestellt und beschrieben ist eine Pressvorrichtung 1, die als Handwerkzeug ausgebildet ist. Die Pressvorrichtung 1 weist einen Griffbereich 2 auf, der etwa an die Breite einer Hand hinsichtlich seiner Längserstreckung angepasst ist. Zugeordnet dem Griffbereich ist ein Betätigungsschalter 3.Shown and described is a
Bei der dargestellten Pressvorrichtung 1 handelt es sich um eine elektrohydraulisch betätigbare Pressvorrichtung 1 mit einem Akkumulator 4. Der Akkumulator 4 ist entgegengesetzt zu einem Arbeitsende 5 der Pressvorrichtung angeordnet. Insgesamt ist die in
Alternativ könnte es sich auch um einen kabelgebundenen Presskopf handeln. Auch die Betätigungseinrichtung könnte fern vom Presskopf ausgebildet sein.Alternatively, it could also be a wired press head. The actuating device could also be designed far from the press head.
Wie sich aus
Weiter weist die Pressvorrichtung 1 einen Press-Gegenanschlag 7 auf, gegen welchen ein zu verpressendes Werkstück anlegbar ist, wie etwa in
Der Gegenanschlag 7 ist beim Ausführungsbeispiel Teil eines ersten Schwenkteils 9, das in Zusammenwirkung mit einem zweiten Schwenkteil 10, die jeweils über Schwenkgelenke 11, 12 an einem Vorrichtungskopf 13 angebracht sind, zur gegenseitigen Verriegelung gebracht werden können, so dass sich in dem Vorrichtungskopf 13 die etwa aus
Wie sich im Weiteren aus der Querschnittsdarstellung gemäß
Zu weiteren Einzelheiten hinsichtlich einer möglichen Ausbildung des Getriebes, der Pumpe und des Rücklaufventils wird noch auf die
In dem ersten Hydraulikzylinder 17 ist ein erster Hydraulikkolben 20 aufgenommen. Der erste Hydraulikzylinder 17 weist eine Zylinderlängsachse A auf. Der erste Hydraulikkolben 20 ist axial zu der Zylinderlängsachse A verfahrbar.A first
Der erste Hydraulikkolben 20 ist weiter durch eine erste Rückstellfeder 21 bei Ablassen des Hydraulikdruckes beziehungsweise Ablauf des Hydraulikmittels in seine in
Der erste Hydraulikkolben 20 weist weiter eine erste Beaufschlagungsfläche auf, die sich aus der Differenz der Durchmessermaße a, Außendurchmesser, und b, Innendurchmesser, des ersten Hydraulikkolbens 20 ergibt.The first
Der als Teilkolben ausgebildete erste Hydraulikkolben 20 führt in seinem Inneren, beim Ausführungsbeispiel und bevorzugt zentral in seinem Inneren, einen zweiten Hydraulikkolben 22. Der zweite Hydraulikkolben 22 weist eine eigene Teil-Beaufschlagungsfläche auf, die durch das Durchmessermaß b bestimmt ist. Entsprechend sind beim Ausführungsbeispiel und bevorzugt die Teil-Beaufschlagungsflächen kreis- beziehungsweise kreisringförmig gegeben. Der zweite Hydraulikkolben 22, auch als zweiter Teilkolben zu bezeichnen, ist gegen eine zweite Rückstellfeder 23 in gleicher Weise in seine Ausgangsstellung nach erfolgter Verpressung zurückstellbar, wie dies prinzipiell im Hinblick auf den ersten Hydraulikkolben 20 bereits beschrieben ist.The first
Der erste Hydraulikkolben 20 ist mit einem ersten Pressteil 24 verbunden. Beim Ausführungsbeispiel ist das erste Pressteil 24, das aus einer Durchgangsöffnung 25 in einem Zylinderbodenteil 26 austritt beziehungsweise auch im nicht betätigten Zustand hervorragt, gebildet. Der zweite Teilkolben 22 setzt sich ebenfalls in eine Kolbenstange fort, die anderseitig als zweites Pressteil 27 in dem - beim Ausführungsbeispiel aber auch bevorzugt - umfänglich geschlossenen Pressraum R, vergleiche etwa
Das erste Pressteil 24 ist bei dem Ausführungsbeispiel axial vollständig von dem zweiten Pressteil 27 überdeckt. In einer alternativen Ausführung, siehe strichlinierte Darstellung 24' in
Beide Teilkolben 20 und 22 sind teleskopartig ineinander geführt. Hierbei ist im Besonderen vorgesehen, dass jeweils in der Ausgangsstellung, vergleiche etwa
Der erste Teilkolben 20 bildet entsprechend für den zweiten Teilkolben 22 einen zweiten Hydraulikzylinder. Der zweite Teilkolben 22 ist relativ zu dem ersten Teilkolben 20 um das Maß c verfahrbar, während der erste Teilkolben 20 relativ zu dem ersten, gehäusefesten Hydraulikzylinder 17 um das Maß d verfahrbar ist. Entsprechend ist der zweite Teilkolben 22 insgesamt maximal um die Summe der Maße c und d verfahrbar.The
Das Maß d ist dadurch eingestellt, dass ausgehend von dem Zylinderbodenteil 26 sich in dem ersten Hydraulikzylinder 17, entgegen also der Verfahrrichtung eines Teilkolbens bei Durchführung eines Pressvorgangs, ein Anschlagteil 27 erstreckt. Dieses kann, und ist es bevorzugt beim Ausführungsbeispiel, hülsenartig gebildet sein.The dimension d is set such that, starting from the
Entsprechend kann das Maß d auch vergleichsweise einfach abgeändert werden, durch Einsatz eines eine abweichende Erstreckung aufweisenden Anschlagteils 28.Correspondingly, the dimension d can also be changed comparatively easily by using a
Mit beiden Teilkolben 20, 22 kann über einen ersten Verfahr-Teilweg, welcher dem Maß d entspricht, gemeinsam auf das zweite Pressteil 27 eingewirkt werden. Bei Werkstücken 8, die - bis zum Erreichen einer maximalen Verpresskraft - einen Verfahrweg des Pressteils 27 ermöglichen, welcher größer ist als der erste Verfahr-Teilweg, ist das zweite Pressteil 27 nur noch durch den zweiten Teilkolben 22 beaufschlagbar.Both
Der zweite Teilkolben 22 ist entsprechend wie ersichtlich auch weiter vorfahrbar als der erste Teilkolben 20, wobei allerdings beim Ausführungsbeispiel und bevorzugt, wie ersichtlich, die relative Verfahrstrecke gemäß dem Maß c bezüglich des für den zweiten Teilkolben 22 geltenden, durch den ersten Teilkolben 20 gebildeten zweiten Hydraulikzylinder, geringer ist als das Maß d für die maximale Verfahrstrecke des ersten Teilkolbens 20.As can be seen, the
Die durch die Maße a und b gegebenen Teil-Beaufschlagungsflächen sind beim Ausführungsbeispiel bevorzugt derart gewählt, dass die erste Teil-Beaufschlagungsfläche, die dem ersten Teilkolben 20 zugeordnet ist, größer ist als die zweite Teil-Beaufschlagungsfläche des zweiten Teilkolbens 22.The partial application areas given by the dimensions a and b are preferably selected in the exemplary embodiment such that the first partial application area, which is assigned to the first
Die Rückstellkräfte der Rückstellfedern, die üblicherweise und bevorzugt beim Ausführungsbeispiel etwa linear mit der Verlängerung des ersten beziehungsweise zweiten Teil-Verfahrwegs entsprechend dem Maß d beziehungsweise c anwachsen, sind bevorzugt so gewählt, dass die Rückstellkraft der zweiten Rückstellfeder 23 größer ist als die Rückstellkraft der ersten Rückstellfeder 21.The restoring forces of the restoring springs, which usually and preferably increase approximately linearly in the exemplary embodiment with the extension of the first or second partial travel path according to dimension d or c, are preferably selected such that the restoring force of the second restoring
In der Pressvorrichtung 1, und konkret beim Ausführungsbeispiel in dem Verpressraum R, sind unterschiedlich große Werkstücke 8, beim Ausführungsbeispiel unterschiedlich große, d.h. im Verpressabschnitt einen unterschiedlich großen Durchmesser aufweisende, Kabelschuhe anordbar. Ein Kabelschuh 29 weist einen Aufnahmeraum 30 auf, in welchem ein - beim Ausführungsbeispiel abisoliertes - Ende eines Kabels 31 eingeführt ist. Durch Presseinwirkung von außen auf den Aufnahmeraum 30 des Kabelschuhs 29 wird das Kabel 31 fest und elektrisch leitend mit dem Kabelschuh 29 verbunden.In the
Die
Eine wesentliche Drucksteigerung setzt dann ein, wenn, wie in
Das Verfahren der Teilkolben 20, 22 setzt sich so lange fort, bis eine höchste Presskraft erreicht ist, vergleiche
Abweichend hiervon könnte aber auch beispielsweise eine Druckmessung im Zylinderraum stattfinden hinsichtlich des Druckes des Hydraulikmittels oder beispielsweise eine Druckmessung in dem Kolbenschaft des ersten beziehungsweise zweiten Teilkolbens. Abhängig von dem gemessenen Druck könnte ein Rückfahren eines Hydraulikkolbens, etwa durch betätigtes, insbesondere motorisches Öffnen eines Rücklaufventils, bewirkt werden.Deviating from this, however, a pressure measurement could also take place in the cylinder space with regard to the pressure of the hydraulic medium or for example a pressure measurement in the piston skirt of the first or second partial piston. Depending on the measured pressure, a hydraulic piston could be retracted, for example by actuating, in particular motorized, opening of a return valve.
Wenn, wie beim Ausführungsbeispiel, das Rücklaufventil 18 selbsttätig allein abhängig von dem erreichten Druck des Hydraulikmittels angesprochen hat, d.h. in die Öffnungsstellung verfahren ist, läuft das Hydraulikmittel zurück, der Druck fällt im Zylinderraum ab und durch die Rückstellfedern werden die Kolben in ihre Ausgangsstellung gemäß
Bei einem vergleichsweise kleinen Kabelschuh 32, wie bei den
Verfahrensmäßig wird bei dem Verpressen eines großen Werkstückes, hier eines großen Kabelschuhs, wie in den
In
Der zweite Pressteil 27, das hier auch nur als Klemmteil wirkend gegeben sein kann, ist teleskopierend vorgefahren zu dem ersten Pressteil bzw. Klemmteil 24.The second
Die genannten Press- bzw. Klemmteile 24, 27 sind mit den schon beschriebenen Teilkolben 20, 22 verbunden. Beide Teilkolben 20, 22 sind ein Stück weit in Ausfahrrichtung in dem gemeinsamen Hydraulikzylinder 27 verfahren, hierbei der auf das zweite Klemmteil 27 einwirkende zweite Teilkolben 22 voreilend zu dem auf das erste Klemmteil 24 einwirkenden ersten Teilkolben 20.The press or clamping
Tatsächlich wirkt beim Ausführungsbeispiel ersichtlich auch nur das zweite Klemmteil 27 auf das Werkstück 8 ein. Es ist jedoch auch möglich, dass beide Klemmteile 24, 27 zugleich auf das Werkstück 8 klemmend einwirken.In fact, in the exemplary embodiment, only the
Das Verfahren der genannten Teilkolben bzw. Klemmstücke ist soweit vorgenommen worden, dass es zu der aus
In den
In die Presshülse 33 sind ersichtlich von zwei gegenüberliegenden Seiten aus Kabel 31 und 34 größeren bzw. kleineren Durchmessers eingelegt. Bei dem dargestellten Kabel 34 ergibt sich ersichtlich ein deutlicher radialer Freiraum zu einer Innenfläche der Presshülse 33. Hinsichtlich derartiger Kabel kann es sich um Kupfer- oder Aluminiumkabel handeln. Ersichtlich ist jedes Kabel weiter bevorzugt für sich aus einer Vielzahl von Litzen zusammengesetzt.The
Hinsichtlich der unterschiedlichen Durchmesser kann an die unterschiedlichen gängigen Kabelquerschnitte angeknüpft werden. Beispielsweise kann es sich um die Paarung (groß/klein) jeweils handeln von 35 mm2 zu 16 mm2, 95 mm2 zu 16 mm2, 185 mm2 zu 70 mm2, 120 mm2 zu 95 mm2, wobei auch weitere Varianten hierzu möglich sind, also bspw. 70 mm2 zu 16 mm2, 120 mm2 zu 95 mm2 etc.With regard to the different diameters, the various common cable cross-sections can be used. For example, it can be the pairing (large / small) in each case from 35 mm 2 to 16 mm 2 , 95 mm 2 to 16 mm 2 , 185 mm 2 to 70 mm 2 , 120 mm 2 to 95 mm 2 , and also others Variants are possible, e.g. 70 mm 2 to 16 mm 2 , 120 mm 2 to 95 mm 2 etc.
Wesentlich ist, dass über eine Länge L der Presshülse 33 zwei Pressstempel-Eindrücke 35, 36 nebeneinander ausgebildet sind, die annährend gleich sind, wie sich aus
Es kommt jeweils zu einer deutlichen Verformung der Presshülse im Bereich der Presseindrücke 35, 36, wie sie aus
Aufgrund der bevorzugten Verwendung eines Pressgerätes wie vorstehend beschrieben ergibt sich auch die selbsttätige Einstellung der niedrigeren oder höheren Verpresskraft abhängig von dem verpressten Leiter größeren oder kleineren Querschnitts.
Claims (9)
- A hydraulically actuatable crimping device (1) that is preferably realized in the form of a handheld device and features a hydraulic piston (20, 22) that can be displaced in a first hydraulic cylinder (17)coaxial to a longitudinal cylinder axis (A) against the force of a pull-back spring (21, 23), wherein said hydraulic piston is connected to a crimping part (24, 27), if applicable, by means of a piston rod in order to carry out a crimping operation, wherein the hydraulic piston (20, 22) features an application face for generating a compressive force due to the action of a hydraulic medium under hydraulic pressure upon the hydraulic piston (20, 22), wherein the hydraulic piston (20, 22) consists of a first and a second partial piston (20, 22) with a first and a second partial application face, wherein the partial application faces can be acted upon with hydraulic medium that has the same hydraulic pressure, wherein both partial pistons (20, 22) are respectively connected to a first and a second crimping part (24, 27), wherein the second crimping part (27) can at a greater traveling distance only be acted upon with the second partial piston (22) and the second crimping part (27) can be acted upon with both partial pistons (20, 22) over a first partial traveling distance that is defined by the displacement of the first partial piston (20) from its initial position up to the point, at which it reaches a stop (28), characterized in that the first crimping part (24) is axially covered in its entirety by the second crimping part (27).
- The crimping device according to claim 1, characterized in that the partial pistons (20, 22) are guided inside of one another in a telescoping fashion.
- The crimping device according to one of the preceding claims, characterized in that the first partial piston (20) forms a second hydraulic cylinder for the second partial piston (22).
- The crimping device according to one of the preceding claims, characterized in that the second partial piston (22) can be displaced farther forward than the first partial piston (20) referred to the first hydraulic cylinder (17).
- The crimping device according to one of the preceding claims, characterized in that the size of the partial application faces differs, wherein the first partial application face is preferably smaller than the second partial application face.
- The crimping device according to one of the preceding claims, characterized in that both partial pistons (20, 22) are respectively acted upon with a first (21) and a second pull-back spring (23).
- The crimping device according to one of the preceding claims, characterized in that the crimping part (24, 27) consists of a crimping die.
- A method for carrying out a crimping operation with a hydraulically actuatable crimping device (1) that is preferably realized in the form of a handheld device and features a displaceable crimping part (24, 27), wherein the crimping parts are displaced by being acted upon with hydraulic medium, wherein workpieces (8) of different sizes can be accommodated in said crimping device (1) such that they are supported on a counterstop element in order to carry out a crimping operation, wherein the crimping part (24, 27) travels a certain distance until a final crimping position corresponding to the completion of a crimping action is reached, wherein the crimping parts (24, 27) travel a shorter distance until they reach the final crimping position when a large workpiece (8) is subjected to a crimping operation and the crimping part (24, 27) travels a longer distance until it reaches the final crimping position when a smaller workpiece (8) is subjected to a crimping operation, and wherein the compressive force, which can be exerted by the crimping part (24, 27), is predefined as a function of a position of the crimping part (24, 27) along the traveling distance, namely in such a way that a maximum compressive force is only exerted by the crimping part (24, 27) in a final crimping position within a first partial traveling distance and a partial compressive force, which is lower than the maximum compressive force, is exerted in a final crimping position within a second partial traveling distance that follows the first partial traveling distance, characterized in that the completion of a crimping action is defined by reaching a predetermined pressure of the hydraulic medium acting upon the hydraulic piston (20, 22), that irrespective of whether a final crimping position is reached in the first or the second partial traveling distance the same maximum pressure is exerted upon an effective application face of a piston acting upon the crimping part (24, 27) and that the compressive force is controlled by varying the effective application face of the piston.
- The method according to claim 8, characterized in that for producing an electroconductive compression joint between a compression sleeve (33) and two cables with different diameters, the compression sleeve (33), which has a constant inside diameter over its length, is in two opposite regions referred to a longitudinal direction of the compression sleeve (33) crimped to the cables (31) with different diameters by twice acting upon the compression sleeve (33) from outside with the same die, but with a different compressive force, at locations that lie adjacent to one another over the length of the compression sleeve (33) and are respectively assigned to an end region of the cable (31) with larger diameter and an end region of the cable (31) with smaller diameter, with a pressing force being different at these both compressions.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013100183.1A DE102013100183A1 (en) | 2013-01-09 | 2013-01-09 | Hydraulically actuated pressing device, method for carrying out a compression, method for producing an electrically conductive press connection, electrically pressed press sleeve, method for clamping a workpiece and hydraulic device |
PCT/EP2014/050075 WO2014108361A1 (en) | 2013-01-09 | 2014-01-06 | Hydraulically actuatable pressing device, method for performing pressing, method for producing an electrically conductive press-fit connection, electrically conductive pressed compression sleeve, method for clamping a workpiece and hydraulic device |
Publications (2)
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EP2944001A1 EP2944001A1 (en) | 2015-11-18 |
EP2944001B1 true EP2944001B1 (en) | 2020-02-26 |
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EP14700440.2A Active EP2944001B1 (en) | 2013-01-09 | 2014-01-06 | Hydraulically actuatable pressing device and method for performing pressing |
Country Status (13)
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US (1) | US10468847B2 (en) |
EP (1) | EP2944001B1 (en) |
KR (1) | KR102112983B1 (en) |
CN (1) | CN104904076B (en) |
AU (1) | AU2014204921B2 (en) |
BR (1) | BR112015015248A2 (en) |
CA (1) | CA2896736A1 (en) |
DE (1) | DE102013100183A1 (en) |
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RU (1) | RU2668989C2 (en) |
WO (1) | WO2014108361A1 (en) |
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Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015102806A1 (en) | 2015-02-27 | 2016-09-01 | Gustav Klauke Gmbh | Method for operating a hydraulically operated hand-held device and hydraulically operated hand-held device |
DE102015119734A1 (en) * | 2015-08-10 | 2017-02-16 | Gustav Klauke Gmbh | Device for applying a pressing force, and pair of pressing jaws |
DE102016111874A1 (en) | 2016-06-29 | 2018-01-04 | Gustav Klauke Gmbh | Method for operating a hydraulically operated hand-held device and hydraulically operated hand-held device |
CN106785781B (en) * | 2016-12-15 | 2019-09-10 | 上海科颉贸易有限公司 | Portable rechargeable-type regular hexagon exempts from mold exchange press-connection machine and operating method |
AT520046B1 (en) | 2017-06-12 | 2022-10-15 | Weber Hydraulik Gmbh | Hydraulic unit for hydraulic rescue tools and rescue tools equipped therewith |
PL238772B1 (en) * | 2017-09-27 | 2021-10-04 | Zakl Metalowe Erko R Petlak Spolka Jawna Bracia Petlak | Method for crimping of cable ends and the device for the execution of this method |
CN108110586B (en) * | 2017-11-07 | 2023-12-01 | 广西电网有限责任公司百色供电局 | Split type hydraulic clamp for crimping line pipe and crimping method thereof |
DE102018100517A1 (en) | 2018-01-11 | 2019-07-11 | Gustav Klauke Gmbh & Co | Accumulator-operated hand-working device and method for operating such a device |
CN110270941A (en) * | 2018-03-13 | 2019-09-24 | 深圳大学 | A kind of telescopic multifunctional digital electric hydraulic pincers |
JP6993268B2 (en) * | 2018-03-20 | 2022-01-13 | 三和テッキ株式会社 | Single acting hydraulic compression tool |
EP4129576B1 (en) * | 2018-05-18 | 2024-04-17 | Gustav Klauke GmbH | Tool with a hydraulic cylinder such as a pliers or a press |
DE102018121971A1 (en) * | 2018-09-10 | 2020-03-12 | Gustav Klauke Gmbh | Press tool |
DE102018122021A1 (en) | 2018-09-10 | 2020-03-12 | Gustav Klauke Gmbh & Co | Hand tool and cover for a hand tool |
US10987794B2 (en) | 2019-01-23 | 2021-04-27 | Gustav Klauke Gmbh | Accumulator-operated hand-held working apparatus as well as method for operating such an apparatus |
US11236849B2 (en) | 2019-09-04 | 2022-02-01 | Techtronic Cordless Gp | Pressing tool and method for a re-pressing operation |
CN111525362A (en) * | 2020-04-29 | 2020-08-11 | 广东电网有限责任公司 | Electric hydraulic device |
KR102134318B1 (en) * | 2020-05-20 | 2020-07-16 | 김인호 | Hydraulic Compression Device for Connection of Cables |
DE102020120825A1 (en) | 2020-08-06 | 2022-02-10 | Gustav Klauke Gmbh | Press jaws and method for producing a compact and method for pressing with press jaws |
DE102020131036A1 (en) | 2020-10-12 | 2022-04-14 | Gustav Klauke Gmbh | Hydraulically operated working device designed as a hand-held device |
DE102021122853A1 (en) | 2021-09-03 | 2023-03-09 | Gustav Klauke Gmbh | Pair of tool parts, method of stripping a cable and method of crimping a compact |
DE202023101054U1 (en) | 2023-03-06 | 2023-07-14 | Gustav Klauke Gmbh | Press tool with a pair of tool parts for crimping a compact and a pair of tool parts for a press tool |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL101283C (en) * | 1956-03-26 | |||
US2968202A (en) * | 1958-04-11 | 1961-01-17 | Amp Inc | Hydraulic crimping tool for crimping t-tap connectors |
US3006983A (en) * | 1959-02-11 | 1961-10-31 | Anderson Electric Corp | Universal compression connector and method of crimping same |
NL269711A (en) * | 1961-06-08 | |||
US4096727A (en) * | 1976-04-29 | 1978-06-27 | Daniel Pierre Gargaillo | Punching, stamping and rivetting apparatus |
US4365402A (en) * | 1978-09-12 | 1982-12-28 | Baker International Corporation | Method for counting turns when making threaded joints |
US4365401A (en) * | 1980-10-20 | 1982-12-28 | Owatonna Tool Company | Rivet removal and fastening tool |
DE3235040C2 (en) | 1982-09-22 | 1984-12-06 | Helmut Dipl.-Ing. 4040 Neuss Dischler | Press for pressing on sleeves, cable lugs or the like |
US4796461A (en) | 1986-06-02 | 1989-01-10 | Greenlee Textron Inc. | Hydraulic crimping tool |
DE10216213A1 (en) * | 2002-04-10 | 2003-10-23 | Klauke Gmbh Gustav | Electro-hydraulic pressing device and method for operating the same |
US5195042A (en) | 1990-06-27 | 1993-03-16 | Burndy Corporation | Apparatus and method for controlling crimping of articles |
TW235262B (en) * | 1991-06-14 | 1994-12-01 | Kosumekku Kk | |
ATE231217T1 (en) | 1997-07-19 | 2003-02-15 | Klauke Gmbh Gustav | PISTON PUMP |
US6276186B1 (en) | 1997-10-15 | 2001-08-21 | Gustav Klauke Gmbh | Hydraulic pressing device and method for operating the same |
US6202663B1 (en) | 1999-08-09 | 2001-03-20 | Crystal Industrial Co., Ltd. | Stick-used stageless adjusting device |
DE10031073B4 (en) | 2000-06-30 | 2016-11-24 | Gustav Klauke Gmbh | Method of riveting |
DE10124265B4 (en) | 2001-05-18 | 2015-10-29 | Gustav Klauke Gmbh | pump |
DE102006003044B4 (en) * | 2006-01-23 | 2015-10-08 | Gustav Klauke Gmbh | Hydraulically driven grouting device and method for pressing a fitting |
ES2665902T3 (en) | 2007-05-16 | 2018-04-30 | Gustav Klauke Gmbh | Procedure for the operation of a manual press activated by motor and manual press |
-
2013
- 2013-01-09 DE DE102013100183.1A patent/DE102013100183A1/en active Pending
-
2014
- 2014-01-06 US US14/759,765 patent/US10468847B2/en active Active
- 2014-01-06 RU RU2015133180A patent/RU2668989C2/en active
- 2014-01-06 BR BR112015015248A patent/BR112015015248A2/en not_active IP Right Cessation
- 2014-01-06 AU AU2014204921A patent/AU2014204921B2/en active Active
- 2014-01-06 WO PCT/EP2014/050075 patent/WO2014108361A1/en active Application Filing
- 2014-01-06 KR KR1020157021458A patent/KR102112983B1/en active IP Right Grant
- 2014-01-06 ES ES14700440T patent/ES2790643T3/en active Active
- 2014-01-06 MX MX2015008746A patent/MX2015008746A/en active IP Right Grant
- 2014-01-06 EP EP14700440.2A patent/EP2944001B1/en active Active
- 2014-01-06 CN CN201480004108.6A patent/CN104904076B/en active Active
- 2014-01-06 CA CA2896736A patent/CA2896736A1/en not_active Abandoned
-
2015
- 2015-07-09 ZA ZA2015/04940A patent/ZA201504940B/en unknown
Non-Patent Citations (1)
Title |
---|
None * |
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BR112015015248A2 (en) | 2017-07-11 |
US20150364889A1 (en) | 2015-12-17 |
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US10468847B2 (en) | 2019-11-05 |
WO2014108361A1 (en) | 2014-07-17 |
AU2014204921B2 (en) | 2018-03-01 |
RU2668989C2 (en) | 2018-10-05 |
CN104904076B (en) | 2017-11-10 |
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