EP2590275A1 - Circuit positioning device - Google Patents

Abstract

The positioning device (1) comprises a conduit (4) for receiving an electrical cable (2), and a lowering device (5) for moving the cable received in the conduit. The lowering device has a spring element (15) having a spring-loaded pressure piece (6) for resting on the conduit. The spring element is arranged in a tube (16). A stop element (31) is arranged opposite to the pressure piece. The conduit is clamped between the pressure piece and the stop element, directly or indirectly, via two support elements. Independent claims are included for the following: (1) a processing apparatus; and (2) a method for lowering and positioning vibration-free thin cables.

Description

The invention relates to a line positioning device for positioning an electrical line in a processing device according to the preamble of claim 1. Furthermore, the invention relates to a processing device comprising a processing station and such a line positioning device. Furthermore, the invention relates to a method for lowering and vibration-calming positioning of thin lines.

Such a device and a method for lowering and positioning of lines in a processing station designed as a crimping station of a processing apparatus is known in the art WO 2009/017653 A1 described. A swivel gripper, which is movably mounted on a carriage, holds the line not far from a stripped cable end of the insulation and drives it in front of the crimping station, where he stripped the cable end, z. B. a conductor wire or a strand, about 8 to 10 mm above the lower punch and positioned above a crimped contact element. Thereafter, the crimping tool is started. The press ram moves downwards with a stroke of approx. 30 to 60mm, hits the stationary gripper head like a hammer during the last 8 to 10mm and pushes the spring-loaded gripper with the cable downwards. Thereby, the line is inserted into the crimping claw, without great bending, provided that it has a sufficiently large cross section, and the sheathed part of the line and / or the stripped part with an insulation and / or Aderkralle is from the upper punch of the crimping tool on the lower punch crimped synchronously. At the same time, the carrier strip is separated from a separator.

After crimping, the crimping tool moves back up to its top dead center and the gripper also springs back. The spring travel of commercially available grippers is approx. 16 mm.

The usual wires installed in automobiles (0.35-6 mm ² ) are relatively good-natured, even if they bend slightly and shake a little when pushed down with momentum. When crimping, however, there are no significant problem cases.

Increasingly, however, very thin lines z. B. 0.13 mm ² installed in the car. Even lines with a line cross section of 0.05 mm ^{2 are} planned. However, such thin lines are no longer to process with conventional technology.

Thin lines have an additional insulation, which is very tensile, because the insulation must also take part of the tensile force. The thin conductor wire or the strands of the thin leads still vibrate for a long time when placed in the crimping claw when they are positioned with conventional grippers. The conductor wire or the stranded wire can not be controlled during the stroke movement of the crimping tool and can be reliably inserted into the crimping claw of a contact element; the conductor wire or the stranded wire can be bent or kinked.

In the WO 2009/017653 A1 a line positioning device is disclosed which is intended to remedy such a disadvantage. The line positioning device is arranged on a base frame. The line positioning device according to WO 2009/017653 A1 has a gripper and is rotatably mounted on a turntable. It moves the line in planes A, B and C. For vertical positioning, the gripper has cylindrical guide bars with teeth which communicate with a gear of a horizontally disposed drive shaft of a servomotor and convert the rotary motion into a vertical movement. The height and the distances can also be controlled by a hydraulic or other drive means.

The crimping tool comprises a stationary anvil and movable crimping punches which are vertically moved by a stroke of the crimping station. The servo motor of the line positioning device, after being positioned above an electrical contact element located on the anvil, moves the line end by lowering into the open insulation and / or wire claw of the contact element. Subsequently, the contact element is crimped with the line.

With such a line positioning device, although the line can be lowered slower. However, synchronization is extremely difficult because it is difficult to control. In addition, an additional servo motor makes the ladder positioning device considerably more expensive. A reduction in the lowering speed can then also adversely affect productivity.

To remedy these disadvantages is from the WO 2011/004272 A1 a device for lowering and positioning thin lines in a crimping station, which comprises a press base with a drive, which moves a press carriage along a central axis with a speed curve similar to a sinusoid from a top dead center to a bottom dead center and back, one parallel to the central axis arranged centric plunger which is fastened at one end to a holder, via which the plunger is rigidly connected to the press slide of the crimping station so that the press slide and plunger move synchronously in a downward stroke, a separate gripper with a gripper head and at least one gripper jaw pair, at least one line end of a conductor in a crimping zone of a crimping tool arranged on the press slide, comprising a crimping tool upper part and a crimping tool lower part, in a defined swiveling position for crimping with crimping claws of a contact element s positioned, wherein the centric plunger associated with at least one leading Absenkeinrichtung or is juxtaposed, the gripper head against the downward stroke of the Pushes the ram leading edge and lowers speed reduced leading, while the lead end moves from the Einschwenkposition in a defined Crimpposition.

Disadvantageous in the WO 2011/004272 described line positioning device is the high design complexity and thus high production costs.

The object of the present invention is therefore to provide a solution by means of which the constructive effort of a line positioning device and thus a processing device for an electrical line can be reduced and by means of which a targeted positioning of an electrical line in a processing station of a processing device can be achieved simultaneously.

The object of the invention is also to provide a method which operates inexpensively and is particularly suitable for positioning thin electrical lines.

These objects are achieved by the features of independent claims 1, 7 and 10. Advantageous developments are set forth in the figures and in the dependent claims.

According to the invention, the line positioning device is characterized in that the lowering device comprises a spring-loaded by at least one spring element pressure member for resting on the cable guide, wherein the at least one spring element is arranged in a tube.

When providing a line for the line positioning device, it is due to the filigree structure of a thin line and thus relatively thin formation of the wiring, which may be formed, for example in the form of a guide tube, from which a free end of the line, preferably a partially stripped End of the line, protruding, to a swinging of the wiring and protruding from the wiring free end of the line both in a direction horizontal to the longitudinal axis of the line and in a vertical direction to the longitudinal axis of the line. This oscillating movement of the cable guide together with the line inserted therein can be interrupted by lowering the lowering device and thereby resulting support of the pressure piece of the lowering on the wiring. The pressure piece is thereby applied by a movement of the lowering device vertically to the longitudinal axis of the recorded in the cable management line directly on the wiring, so that the pressure piece comes to rest on a top of the wiring.

The pressure piece preferably has a block or a plate on which a flat bearing surface is formed, by means of which the pressure piece is brought to rest on the wiring during lowering of the lowering device. But the pressure piece can also be designed as a hard rubber buffer with a flat or slightly convex bearing surface. The pressure piece is spring-mounted in the lowering device via at least one spring element, which is preferably designed in the form of one or more compression springs, so that the pressure piece can perform a guided via the spring element vertical movement to the longitudinal axis of the electrical line. The pressure piece can be connected directly or via an intermediate element, such as a bolt, with the spring element. The pressure piece is thus within the lowering of the spring element, which is arranged in a tube, movably guided, whereby it is achieved that initially when positioning the wiring by bringing the pressure piece with the wiring, the wiring can be accelerated as low as possible and after reaching one for the processing of outstanding from the wiring free end of the line in the processing station desired insertion height the vibration of the wiring and thus the projecting from the wiring free end of the electrical line accommodated therein can be stopped. If the cable routing and the free end of the line protruding from the cable guide are substantially free of vibration, the free end of the line is positioned with high accuracy in the processing station, for example a crimping station, due to the now lack of proper movement of the free end of the line. The arrangement of the spring element in a tube accurate positioning and guidance of the spring element within the lowering is possible. In particular, a lateral tilting of the spring element, which is preferably designed in the form of a spiral spring, is thereby prevented. The line positioning device according to the invention makes it possible to position the line in a processing station of a processing device with a high degree of repeatability. By means of the spring-loaded pressure piece, the reduction of the vibrations of the wiring of the cable end projecting from the free end of the line can be achieved in a short time, so that the total processing time of an electrical line in a processing station of a processing device can be reduced, whereby the processing can be done more economically ,

The sprung pressure piece thus replaces the known from the prior art servo motor or the centric plunger with the most complicated leading lowering and has a much simpler structure than this. Due to the relatively simple structural design of the device according to the invention, moreover, the manufacturing costs of a line positioning device compared to conventional line positioning devices can be significantly reduced.

According to a preferred embodiment of the line positioning device is opposite to the pressure piece arranged a stop element, wherein the line guide between the pressure piece and the stop element is vibration-calmed, clamped. Preferably, the stop element is positioned during insertion of the electrical line into the processing station of the processing device below the line guide, whereas the pressure piece of the lowering device is positioned above the line guide, so that the pressure piece and the stop element are substantially opposite. In a resting of the pressure piece on an upper side of the wiring can now be pressed by means of the pressure piece, the still vibrating wiring down in the direction of the stop member until the wiring rests directly or indirectly with its underside on the arranged below the pressure piece stop member so that the wiring is clamped vibration-moderated between the pressure piece and the stop element, whereby the oscillation of the wiring and thus also of the projecting from the wiring free end of the electrical line can be particularly quickly and effectively minimized or stopped. The repeat accuracy and the precision of the processing of the electric line accommodated in the wiring in the processing station of the processing apparatus can thereby be further improved.

In this case, it is further preferably provided that the pressure piece of the lowering device are arranged with a second longitudinal axis above and the stop element with a third longitudinal axis below the line guide, wherein the pressure piece with the second longitudinal axis and the stop element with the third longitudinal axis vertical to the first longitudinal axis of the line are arranged. In this way it can be ensured that the pressure piece and the stop element for vibration damping of the cable guide with their bearing surfaces in each case rest flat or slightly convex on the wiring, whereby particularly fast and effective vibration stabilization of the wiring is achieved.

Further, it is preferably provided that the second longitudinal axis of the pressure piece are offset from one another with respect to the third longitudinal axis of the stop element along the first longitudinal axis of the electrical line.

According to a further advantageous embodiment of the line positioning device, the tube has an external thread, which engages in a holding element having an internal thread. On the outer peripheral surface of the tube, an external thread can be formed, in which a provided with an internal thread holding element can engage. The tube in which the spring element is arranged can thus be positioned and fastened to the holding element. In addition, the tube and thus the spring element can be fastened by hand in a simple manner to the holding element and at the same time adjusted via the external thread and the internal thread engaging therein, without the need for further tools for this purpose. The effort to form the line positioning device can thus be further reduced. The holding member may, for example, a flange and a sleeve, wherein the sleeve may be secured to a passage formed in the flange through hole and on the inner wall of the sleeve, an internal thread may be formed, in which the external thread of the tube can engage, so that the pipe the sleeve and the through hole formed in the flange may be passed. The holding element can then be fastened via the flange to the processing station of the processing device.

Preferably, it is further provided that the line positioning device has a pivotally mounted pivoting conveyor, wherein the line guide is attached to the pivotally mounted pivoting conveyor. The line to be processed can For example, be held and transported in the pivotally mounted pivoting conveyor by the line between conveyor belt or pinch rollers, which are formed on the pivoting conveyor, is clamped. Starting from the attachment of the electrical line to the pivoting conveyor, the line and in particular the free end of the line can be passed through the line guide, which is arranged on the pivoting conveyor. The pivoting conveyor permits lateral pivoting of the line, which is fastened in the pivoting conveyor and guided in the line guide, in the direction of the processing station of the processing device, in which the free end of the line protruding from the line guide is crimped, for example.

Furthermore, the invention is characterized by a processing device, in particular a crimping device, for an electrical line, which has a processing station and a line positioning device according to one of claims 1 to 6. A processing device having a line positioning device according to the invention is characterized by a high positioning accuracy of the line to be processed in the processing station of the processing device, which can be achieved with a low design complexity of the entire processing device. If the processing device is, for example, a crimping device, a free end of the line to be machined can be positioned in the processing station in crimping claws of a contact part provided in a crimping tool as free of vibration as possible. In this way, the processing, in particular the crimping of a line can be qualitatively substantially improved, wherein the processing of the line is also possible in a relatively short time, so that the processing of the line can be carried out with a high efficiency.

The processing station preferably has a movable carriage, wherein the lowering device of the line positioning device is preferably arranged on the movable carriage. The movable one The carriage preferably serves to move a part of the processing station of the processing apparatus back and forth in a vertical direction. If the lowering device of the line positioning device arranged on the movable carriage, the mobility of the lowering can be realized vertically to the longitudinal axis of recorded in the wiring management by the movable carriage, so that additional aids, such as an additional drive on the lowering device itself, for the realization of Mobility of the lowering are not necessary. As a result, the design complexity of the processing device can be further reduced.

Furthermore, it is preferably provided that the stop element of the line positioning device is fixed to a stationarily positioned carrier element of the processing station. Locally fixed means in this case that the support element in the processing station is not just displaced or moved. The stop element is preferably also arranged fixedly on the carrier element, so that preferably no relative displacement can take place between the carrier element and the stop element. As a result, the stop element form a secure, firmly positioned counter pressure element for the pressure piece, when the wiring is pressed by means of the pressure piece on the stop element. Alternatively, however, it is also possible that the stop element as well as the lowering device is movable vertically to the longitudinal axis of the recorded in the wiring guide, so that the pressure piece and the stop member can be moved towards each other.

According to the invention, the method is characterized in that a line positioning device according to claims 1 to 6 and a processing device according to claims 7 to 10 is used. According to the inventive method, the lowering device is moved with the pressure piece from a first position to a second position. In the first position, the pressure piece is above the top of the wiring and spaced therefrom. The pressure piece has reached the second position as soon as it impinges on the top of the wiring, resulting in a first vibration calming the wiring and the line. Upon further lowering of the lowering device, the pressure piece is moved vertically in the direction of the pipe according to the spring force of the spring element or the individual spring elements, while the wiring is moved from the pressure piece in the form of a pitching motion reduced acceleration of the second to a third position. The third position is reached as soon as the vertical movement of the lowering device and the pitching movement of the cable guide is terminated by striking the stop element.

Further advantages, features and details of the invention will become apparent from the following description in which an embodiment of the invention is described with reference to the drawings. The features mentioned in the claims and in the description may each be essential to the invention individually or in any desired combination.

The list of reference numerals is part of the disclosure. The figures are described coherently and comprehensively. The same reference symbols denote the same components, reference symbols with different indices indicate functionally identical or similar components.

Fig. 1

eine schematische, partielle Schnittdarstellung einer Bearbeitungsvorrichtung mit einer Leitungspositionierungsvorrichtung gemäß der Erfindung in einer ersten Position,

Fig. 2

eine schematische, partielle Schnittdarstellung der Bearbeitungsvorrichtung mit einer Leitungspositionierungsvorrichtung gemäß der Erfindung nach Fig. 1 in einer zweiten Position,

Fig. 3

eine schematische Ausschnittsdarstellung der in Fig. 2 gezeigten Leitungspositionierungsvorrichtung gemäß der Erfindung in der zweiten Position und

Fig. 4

eine schematische Ausschnittsdarstellung der Leitungspositionierungsvorrichtung gemäß der Erfindung in einer dritten Position.

It shows:

Fig. 1

1 is a schematic, partial sectional view of a processing device with a line positioning device according to the invention in a first position,

Fig. 2

a schematic, partial sectional view of the processing device with a line positioning device according to the invention according to Fig. 1 in a second position,

Fig. 3

a schematic sectional view of in Fig. 2 shown line positioning device according to the invention in the second position and

Fig. 4

a schematic sectional view of the line positioning device according to the invention in a third position.

In Fig. 1 and 2 a processing apparatus according to the invention is shown, which has a processing station 3 and a line positioning device 1 for positioning an electrical line 2 in the processing station 3. In Fig. 3 is a detail of the line positioning device 1 after Fig. 2 in a second position and in Fig. 4 a detail view of the line positioning device 1 is shown in a further third position.

The processing station 3 shown here is designed as a crimping station, so that the processing device shown here is a crimping device. The crimping station shown here has a crimping tool with an upper punch unit 39 and a lower punch unit 40. However, the invention is not limited to a crimping apparatus having a crimping station. It can also be used, for example, for soldering or welding devices.

The wire positioning device 1 has a wiring 4 in which the electric wire 2 is accommodated to be processed in the work station 3. The wiring 4 is formed here in the form of a guide sleeve through which the line. 2 is passed, wherein a free end 44 of the line 2 protrudes from the wiring 4.

Furthermore, the line positioning device 1 has a lowering device 5 which is arranged to be movable vertically to a first longitudinal axis 45 of the electrical line 3 accommodated in the line guide 4.

The lowering device 5 has at one end a spring-mounted pressure piece 6, which in a second position, as in Fig. 2 and 3 is shown, on an upper side 7 of the cable guide 4 comes to rest. The pressure piece 6 shown here is substantially T-shaped and has, as in particular in Fig. 3 and 4 is shown, a plate 8 and arranged on the plate 8 shaft 9. The plate 8 is a hard rubber buffer with a flat or slightly spherical surface. On the shaft 9, an external thread 10 is formed, via which the pressure piece 6 can be attached. The pressure piece 6 shown here is thus formed substantially in the form of a screw. The pressure piece 6 has on the plate 8, a preferably circular bearing surface 11, with which the pressure piece 6 can be pressed flat on the wiring 4, as shown in Fig. 2 . 3 and 4 is shown. The pressure piece 6 is screwed in the embodiment shown here on the shaft 9 formed on the external thread 10 at a first end portion 12 of a bolt 13 and secured to the bolt 13.

At a first end portion 12 opposite the second end portion 14 of the bolt 13, the bolt 13 is connected to a spring element 15, so that via the bolt 13, a suspension of the pressure member 6 is formed. The spring element 15 is formed here in the form of several juxtaposed arranged compression springs. Alternatively, the spring element 15 may also be formed from a single mechanical compression spring. Also conceivable is a small pressurized pneumatic cylinder, conceivable is also a construction with one in the tube guided plunger and eg two externally mounted between plunger head and mounting flange tension springs. The spring element 15 and the second end portion 14 of the bolt 13 are arranged in a tube 16, wherein the tube 16 extends with its longitudinal axis vertical to the longitudinal axis of the electrical line 2.

The tube 16 is closed by a first cap-shaped end piece 17 and a second cap-shaped end piece 18, wherein on the second cap-shaped end piece 18, a through hole 19 is formed, through which the bolt 13 is passed with its first end portion 12.

On the outer peripheral surface of the tube 16, an external thread 20 is formed. About the external thread 20, the tube 16 is attached to a support member 21. The holding member 21 has an L-shaped bent flange 22 and a cylindrical sleeve 23, e.g. for adjusting the line insertion height, wherein on an inner wall of the sleeve 23, an internal thread 24 is formed, in which the external thread 20 of the tube 16 engages. The tube 16 is passed through a formed on the flange 22 through opening 25. The sleeve 23, which may also be formed as a nut, is placed in the region of the passage opening 25 on the flange 22 and preferably attached to the flange 22 so that the tube 16 passes through the sleeve 23 and formed in the flange 22 through opening 25 is and is screwed for fixing to the holding element 21 with its external thread 20 in the internal thread 24 of the sleeve 23.

The lowering device 5 is arranged on the flange 22 of the holding element 21 to a movable carriage 26 of the processing station 3 of the processing device and secured by a screw 27. The movable carriage 26, which may for example be a press carriage, is movable in a direction 28 vertical to the first longitudinal axis 45 of the cable 2 received in the cable guide 4. As a result of that the lowering device 5 is fixedly attached to the movable carriage 26, the lowering device 5 follows the movement of the movable carriage 26, so that the vertical guidance of the lowering device 5 is carried out by means of the movable carriage 26. It is therefore not necessary to provide own drive means for the lowering device 5. The movement of the movable carriage 26 is achieved via a arranged in the processing station 3 crankshaft 29 and the movable carriage 26 with the crankshaft 29 connecting crank pin 30.

Opposite to the pressure piece 6, a stop element 31 is arranged, wherein the pressure piece 6 and the stop element 31 are arranged opposite each other in such a way that a second longitudinal axis 46 of the pressure piece 6 is slightly offset from a third longitudinal axis 47 of the stop element 31 aligned. The stopper member 31 has a plate 32, which may be designed as a hard rubber buffer with a flat or slightly crowned surface, a screwed into the plate 32 pin 33 and a flange 34 to which the pin 33 is fixed by means of a fastener 37 on. The stop member 31 has on its plate 32 on a flat support surface 35, with which the bottom 36 of the wiring 4 directly or indirectly comes to rest when the wiring 4 is pressed by means of the pressure member 6 down in the direction of the stop member 31, as in Fig. 2 . 3 and 4 is shown. The underside 36 of the line guide 4 can be supported by a first support element 48 which is arranged on the pivoting conveyor 41. In addition, a second support member 49 between the first support member 48 and the stopper member 31 on the pivoting conveyor 41 may be arranged to further improve the stability of the pivoting conveyor 41. The stop element 31 is fixedly connected via the flange 34 to a carrier element 38 positioned stationarily on the processing station 3. The Stop member 31 may alternatively be mounted on the machine mounting surface on which the press is mounted.

The line guide 4 is further attached to a pivotally mounted horizontal pivoting conveyor 41, via which the line guide 4 is pivoted together with the inserted in the line 4 line 2 before editing the line 2 in the direction of the processing station 3. The pivoting conveyor 41 has a pitch axis 42, about which the vibration-calming pivoting conveyor 41 after Fig. 3 the line 2 in an open Crimpkralle a stored in a lower punch unit 40 of the processing station 3 contact element according to Fig. 4 gently and with reduced vibration. By compared to the upper punch unit 39 by the spring elements 15 reduced speed of the pivoting movement about the pitch axis 42 and arranged in the pivoting conveyor 41 spring packet 43 is a vibration of the wiring 4 and the protruding from the cable guide 4 free end 44 of the line 2 both in a vertical direction as well as in a horizontal direction relative to prior art line positioning devices without a lowering device calms much faster.

After swiveling in the line guide 4 together with the line 2 in the direction of the processing station 3, the line positioning device 1 is in a as in Fig. 1 shown first position. In this first position, the pressure piece 6 and the stop element 31 is arranged at a distance from the cable guide 4. The protruding from the cable guide 4 free end 44 of the line 2 oscillates freely by the vibrations in all directions. In order to minimize the oscillatory movements of the line guide 4 and the protruding from the line guide 4 free end 44 of the line 2, then the lowering device 5 is moved by the carriage 25 of the processing station 3 downwards in the direction of the cable guide 4 until the pressure piece 6 with its stop surface 11 at the Top 7 of the wiring 4 according to Fig. 2 and 3 and has reached a second position. While the carriage 25 and the lowering device 5 connected to the carriage 25 continue to vertically lower, the pressure piece 6 lying on the cable guide 4 also continues to move in the direction of the stop element 31 accelerated with low impact and moved in the form of a pitching movement down to a third position. Due to the onset of spring action of the lowering device 5 arranged in the spring elements 15, the lowering speed of the pressure element 6 is compared to the lowering speed of the carriage 25, however, significantly reduced. At the same time, a further calming of the oscillatory movements takes place until the lower side 36 of the cable guide 4 or, as in FIG Fig. 4 illustrated indirectly a bottom of the second support member 49 rests on reaching the set for the crimping line insertion height on the support surface 35 of the stop member 31 upon reaching the third position, so that the wiring 4 is clamped between the pressure piece 6 and the stop member 31 in the third position , The vibrations of the wiring 4 and of the cable guide 4 outstanding free end 44 of the line 2 are now stopped. Even a ringing of the pivoting conveyor 41 is thus no longer possible. After completion of the pitching movement of the pivoting conveyor 41, the free end 44 of the conduit 2 is according to Fig. 4 accurate position and vibration calmed in the open Crimpkralle a ready for crimping by the upper punch unit 39 in the lower punch unit 40 contact element in a conventional manner. The processing of the free end 44 of the line 2 can be carried out in a particularly precise and repeatable manner due to the high positional accuracy of the now essentially vibration-free end 44 of the line 2 in the processing station 3.

LIST OF REFERENCE NUMBERS

1

Line positioning device

2

management

3

processing station

4

wiring

5

lowering

6

Pressure piece

7

top

8th

plate

9

shaft

10

external thread

11

bearing surface

12

First end section

13

bolt

14

Second end section

15

spring element

16

pipe

17

First cap-shaped tail

18

Second cap-shaped tail

19

Through opening

20

external thread

21

retaining element

22

flange

23

shell

24

inner thread

25

Through opening

26

Mobile carriage

27

screw

28

direction

29

crankshaft

30

crank pin

31

stop element

32

plate

33

pen

34

flange

35

bearing surface

36

bottom

37

fastener

38

support element

39

Upper punch unit

40

Lower punch unit

41

oscillating conveyor

42

pitch axis

43

spring assembly

44

Free end of the pipe

45

First longitudinal axis

46

Second longitudinal axis

47

Third longitudinal axis

48

First support element

49

Second support element

Claims (12)

Line positioning device (1) for positioning an electrical line (2) in a processing device, with
a cable guide (4) for receiving the electrical line (2) and
a lowering device (5) which is movable vertically to a first longitudinal axis (45) of the line (2) received in the line guide (4),
characterized in that
the lowering device (5) has a pressure piece (6) supported by at least one spring element (15) for resting on the cable guide (4), wherein the at least one spring element (15) is arranged in a tube (16). Line positioning device (1) according to claim 1, characterized in that opposite to the pressure piece (6) a stop element (31) is arranged, wherein the line guide (4) between the pressure piece (6) and the stop element (31) directly or indirectly via support elements (48, 49) vibration stabilized, is clamped. Line positioning device (1) according to claim 2, characterized in that the pressure piece (6) of the lowering device (5) with a second longitudinal axis (46) above and the stop element (31) with a third longitudinal axis (47) below the line guide (4) are, wherein the pressure piece (6) with the second longitudinal axis (46) and the stop element (31) with the third longitudinal axis (47) are arranged vertically to the first longitudinal axis (45) of the conduit (2). Line positioning device (1) according to claim 3, characterized in that the second longitudinal axis (46) of the pressure piece (6) to the third longitudinal axis (47) of the stop element (31) along the first longitudinal axis (45) of the electrical line (2) offset from one another. Line positioning device (1) according to one of Claims 1 to 4, characterized in that the tube (16) has an external thread (20) which engages in a holding element (21) having an internal thread (24). Line positioning device (1) according to one of claims 1 to 5, characterized in that a pivotally mounted pivoting conveyor (41) is provided with a pitch axis (42), wherein the line guide (4) on the pivotally mounted pivoting conveyor (41) is attached. Machining device, in particular crimping device, for an electrical line (2), having a processing station (3) and a line positioning device (1) according to one of Claims 1 to 6. Machining device according to claim 7, characterized in that the processing station (3) has a movable carriage (26), wherein on the movable carriage (26) the lowering device (5) of the line positioning device (1) is arranged. Machining device according to claim 7 or 8, characterized in that the stop element (31) of the line positioning device (1) is fixed to a stationarily positioned carrier element (38) of the processing station (3). Method for lowering and vibration-adjusted positioning of thin lines (2), characterized in that a line positioning device (1) according to claims 1 to 6 or a processing device according to claims 7 to 10 is used. A method according to claim 10, characterized in that the lowering device (5) is moved with the pressure piece (6) from a first position to a second position, wherein the pressure piece (6) has reached the second position as soon as it is on the top (7 ) of the cable guide (4) impinges, which leads to a first vibration calming of the cable guide (4) and the line (2) and
that upon further lowering of the lowering device (5), the pressure piece (6) is moved vertically in the direction of the pipe (16) in accordance with the spring force of the spring element or of the individual spring elements (15), while the line guide (4) reduces acceleration in the form of a pitching motion third position moves. A method according to claim 11, characterized in that the third position is reached as soon as the vertical movement of the lowering device (5) and the pitching movement of the cable guide (4) is terminated by hitting the stop element (5).

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