JP3054203B2 - Device for drawing and / or guiding long material - Google Patents

Abstract

For drawing off and/or guiding elongate articles, such as electrical cables, tubes, ropes and the like, there are collet chucks (3a;3b) moved in the drawing-off direction by endless chains (5) and mounted on clamping carriages (4). These collet chucks are located opposite one another in pairs transversely relative to the drawing-off direction and in this direction are mounted so as, during their movement in the drawing-off direction, to be movable relative to one another up against the article (2) or away from this, the clamping carriages (4) being guided laterally. To make the rotation uniform, the lateral guide consists of endless guide rails (12) extending along the entire path of rotation of the clamping carriages (4).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a clamp pin jaw mounted on a clamping carriage and moved in an extraction direction by means of an endless chain, the clamp pin jaws being mutually transverse to the extraction direction. And is movably supported in this state during movement in the withdrawal direction until it abuts and separates from the material in each other's direction, in which case the side members are closed.
The present invention relates to a device for drawing and / or guiding long materials such as electrical cables, tubes, ropes, etc., in the manner of laterally guiding a ramping carriage .

[0002]

2. Description of the Related Art Devices of this type are used, for example, for producing thin-walled corrugated metal tubes. That is, by this apparatus, a corrugated metal tube is produced, for example, by forming a slit tube in a series of molding steps from a continuously running thin-walled band-shaped metal tube, welding the edges of the slit tube to each other, and subsequently producing it. It is made by corrugating a smooth tube with a corrugating device. In order to achieve a defect-free weld, the rotational moments exerted by the corrugating device must not be transmitted to this smooth tube, especially when arc welding is applied.
That is, if the smooth pipes are rotated by mistake, the edges of the slit pipes to be welded to each other are turned and fall off from the welding device. At this time, the pressing force exerted on the peripheral surface of the smooth tube from which the clamp pin jaw for withdrawing is drawn is such that the tube to be drawn is reliably guided, and erroneous turning due to the rotational moment of the corrugating device is reliably avoided. On the other hand, it is set up not to crush the smoothing tube, which occurs when the clamping force of the clamping device is high when the plate is very thin.

In order to obtain such a favorable pressure contact force, in a known apparatus (see Ostrley Patent No. 238013), a pipe to be welded is placed between a welding apparatus and a corrugating apparatus. A pull-out body is provided for holding against accidental rotation, the pull-out body being formed by an endless chain and a clamping device fixed to the chain, the fixing distance of the clamping device to the chain being determined by the tube. The intervals are set such that each time they are captured by at least one clamping device. This clamping device has a clamping jaw which is itself supported on a so-called clamping carriage. These clamping carriages are fixed directly to the endless chain, so that all kinetic components arising from the chain and its drive are transmitted to the clamping device and from this clamping device to the clamping jaws. . At this time, a known configuration (“Communica”) is also used.
Tion cable with welded an
d corrugatedmetallic shear
ths "Dr. Carl Addressen and D
imitri R. Asbury P by Stein
ark, N .; Y. Due to the provision of separate guide rails for guiding the material laterally in the area where the clamping jaws on both sides grip the material in order to guide the material, see Part No. 28, 1962). The equilibrium of the motor components is achieved. However, after the clamping jaws capturing the material have turned in the direction of their starting position and returned to the supply side of the material along the underside of the endless chain, the fixing of the clamping carriage is fixed to the endless chain Is done by
This fixation is generally not sufficient to prevent an adverse impact, for example by a high-speed clamping carriage, which is exerted in the direction opposite to the direction of its movement, from being transmitted to the penetrating material. This is especially important in cases where slight deformations in the material passing through, such as in high frequency cable technology, can cause electrical reflections.

[0004]

SUMMARY OF THE INVENTION The present invention is based on the above-mentioned prior art, and improves the above-mentioned device so that the rotation of the clamping device, and thus the rotation of the clamping jaw, can be performed at a uniform speed. That is. In this case, it is necessary to avoid any obstructive elements induced by and transmitted from the chain drive mechanism or the chain itself.

[0005]

SUMMARY OF THE INVENTION The above-mentioned object is achieved according to the invention in that the lateral guide comprises an endless guide rail which extends along the entire pivot path of the clamp pin jaw. .

[0006] This arrangement ensures a uniform movement of the clamping carriage and, consequently, a uniform movement of the clamping jaws even in the return area.

In the practice of the invention, it is advantageous for the guide rail to consist of a profile unit with a profiled cross section which is open in the direction of the clamping carriage.
Guide rollers provided on each clamping carriage on the side facing the respective guide rail engage in a profile unit having a contoured cross section that is open in the direction in which the guide rail is viewed from this clamping carriage. I do. With this configuration, it is possible to prevent the clamping carriage from being tilted or erroneously turned and guided.

[0008] The guide rail is an existing clamping carriage.
As a profile unit having a cross section with an open contour when viewed in the direction of viewing the guide rail from the straight line, having a consistent length in a straight section and being divided into individual lengths within the turning region of the endless chain .

According to another advantageous configuration according to the invention, the guide rail is formed from multiple parts. In other words, the cross-section of the guide rail is L-shaped and consists of two single profile units provided on the casing of the drawing device. This arrangement makes assembly very easy, in particular according to another embodiment of the invention, for a guide roller whose guide rail engages a profile unit having an open-profile cross section as viewed in the direction of the clamping carriage. The production of this guide rail is facilitated even when it has a running surface.

The guide roller shaft is a crankpin carriage type
Horizontal to the legs of the open U-shaped profile
Oriented parallel to each other. The guide roller is therefore only partially covered by this profile unit when the clamping carriage moves in the withdrawal direction.
Another advantageous configuration for practicing the invention is that the guide roller shaft has a direction in which the guide rail is viewed from the clamping carriage.
In that it is oriented parallel to respect the legs of the profile unit having a look open cross-sectional profile, i.e. a form having a cross-sectional profile open when viewed from the clamping carriage in the direction to see the guide rail The leg on both sides of the material unit forms the running surface of the guide roller. In the configuration according to the invention, this running surface is laminated, for example, with a synthetic material, which on the one hand reduces the rolling resistance on and in the guide rails of the clamping carriage, and at the same time provides a certain buffering effect Allows the running material to be guided freely without any mechanical shock.

Another embodiment according to the invention is that the guide rails on both sides are the only carriers for the clamping carriage. As a result, mechanical shock pulses, which depend on the kinematic course of the chain link, do not propagate to the clamping carriage. The endless chain elongation that occurs during the working movement does not adversely affect the uniform movement of the clamping carriage achieved according to the invention.

The endless chain itself is guided movably with respect to the clamping carriage below the associated clamping carriage. The integral connection between the endless chain and the clamping carriage that induces the movement of the clamping carriage is made with a separate tension member, for example a tension rod, which at its end is connected to the clamping carriage and the respective endless carriage. It is connected to a chain and is rotatably or pivotably mounted in this connection position. As a result, the clamping carriage can travel on the track formed by the endless guide rails without any problem.

The present invention will be described in detail below with reference to the embodiment shown in FIGS.

[0014]

1 and 2 show different views of the overall drawing of the drawing device according to the invention. 3 and 4 show details of the drawing device according to the invention.

For example, the pulling device 1 pulls out a pipe 2 which has been longitudinally seam-welded from a strip by a welding device (not shown) in the direction of the arrow, and contacts the pipe 2 to make a smooth pipe 2 in a corrugated state. It is supplied to a corrugating device not shown.
As shown in the drawing, a so-called clamping jaw 3 is used to pull out the welding device with as little force as possible.
Is used. This clamping jaw is provided on a clamping carriage 4 as seen from FIG. 2, and the clamping carriage itself rotates on a track (not shown) by a rotating endless chain 5. During this rotation, the clamping jaws 3a and 3b with guide jaws also move in the mutual direction, depending on the size of the tube 2 which runs through. This movement is effected in particular in such a way that these clamping jaws are successively approached in order to capture the tube 2 and are separated again after disengaging from the tube 2. This movement is effected by means of a guide rail, designated by the reference numeral 6 in FIG. 1, which is provided with an expansion 7 at the inlet end of the extraction device 1 as shown, and thus the clamping jaws 3a. And 3b do not yet hold the tube 2 on its peripheral surface. Furthermore, as the movement progresses in the direction of the arrow, the guide rail 6 is formed such that the clamping jaws 3a and 3b are guided closer to each other, so that the penetrating tube 2 is firmly captured. The guide rail 6 is then expanded again at the end of the straight section of this section, whereby the clamping jaws open the tube 2 and, as can be seen from FIG. Return to the entrance in the lower part. The endless chain is guided by deflecting rollers 8 and 9, in which case the deflecting roller 9 is driven by a drive mechanism 10 via an intermediate drive mechanism 11.

According to the invention, in order to achieve the most uniform movement possible and to avoid the mechanical shock which is particularly pronounced on the running tube 2 when this is a thin-walled metal tube, Guide rails 12 are used which extend along the entire swiveling path of the clamping carriage. This guide rail 12 is fixed to the machine housing 13 and, as can be seen in particular from FIG. 3, is formed from a profile unit whose profile is open in the direction of the clamping carriage. . In this case, in this embodiment, the guide rail 12 is formed of two parts. That is, this guide rail is a rail 1 as its molding material unit.
2a and 12b. The clamping carriage 4 carrying the clamping jaws 3a and 3b, which can be moved transversely to the running direction of the material 2, is carried only by this guide rail 12. For this purpose, a guide roller 14 protrudes into the guide rail 12, which rolls on the running surface 15, and
6 and connected to the clamping carriage 4.
The guide rail 6 acts as shown in FIG. 1 to guide the clamping jaws 3a and 3b in the mutual direction, and the expanding wedge member 17 acts to separate the closed clamping jaws 3a and 3b. The expanding wedge member 17 is attached between the pins 18 of the clamping jaw provided below the clamping jaw, and presses this to separate it. The spreading wedge member 17 is formed in one part or in multiple parts, the outer dimensions of which determine the spreading distance being advantageously adapted to the penetrating material 2. This makes it possible to adjust the required expansion interval of the clamping jaws 3a and 3b. The dead time due to the wide open interval not being used is avoided by the present invention. The roller guides 19 and 20 are movably supported in the clamping jaws 3a and 3b. The endless chain 5 is guided movably with respect to the clamping carriage 4 below the clamping carriage 4. As described above, the endless chain 5 moves along the predetermined rolling path of the clamping carriage 4. It is formed as a tension member for performing. In order to allow this endless chain to carry out this pulling movement without fixing the clamping carriage directly to the chain itself as in known devices, a separate pull rod 21 is provided, as is evident from FIG. Have been. The tension rod 21 is rotatably or pivotally supported on one side by the clamping carriage 4 and on the other endless chain 5. For this purpose, a connection by bolts 22 and 23 is provided. This ensures that even in the region of the idle rotation of the clamping jaws, i.e. in the curved part of the endless guide track, the clamping carriage is reliably guided and moves in a uniform trajectory, and Accurate guidance in a given guiding track guarantees a uniform rotation of the clamping carriage. By this effect, a high production speed of the cable can be attained even in the production of a high-frequency cable having a longitudinally welded pipe as the outer conductor.

[0017]

As described above, the apparatus for extracting and / or guiding a long material according to the present invention produces a pipe from a strip by longitudinal seam welding at a high production rate. Undesirable impact and crushing forces on the tube by the welding, drawing and clamping devices are largely avoided.

[Brief description of the drawings]

FIG. 1 is a diagram of one embodiment of an apparatus for extracting and / or guiding an elongated material according to the present invention.

FIG. 2 is a side view of a clamping device for the material of a device for drawing and / or guiding an elongated material according to the invention and a chain drive for the clamping device.

FIG. 3 is a cross-sectional view of a clamping device for a material of a device for extracting and / or guiding a long material according to the present invention, a guide mechanism for the clamping device, and a chain drive mechanism.

FIG. 4 is an illustration of a tensioning mechanism for a clamping carriage of a device for drawing and / or guiding an elongated material according to the invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Pulling-out device 2 Pipe 3 Clamping jaw 3a, 3b Clamping jaw 4 Clamping carriage 5 Chain 6 Guide rail 7 Expanding part 8, 9 Turning wheel 10 Drive mechanism 11 Intermediate drive mechanism 12 Seen in the direction of the clamping carriage. Guide rails 12a, 12b consisting of profile units with open profile cross sections 12a, 12b Partial rails of guide rails (profile material unit portion) 13 Machine casing 14 Guide rollers 15 Running surface 16 Bolt connection 17 Spread wedge member 18 Pin 19 , 20 Roller guide 21 Pull rod 22, 23 Bolt connection

Continued on the front page (72) Inventor Harry Staschevsky, Germany, Langenhagen, Werlhofstrasse, 23 (72) Inventor Hermann Meyer Germany, Langenhagen, Weselweg, 16 (56) Reference References JP-A-48-78978 (JP, U) JP-B-47-36970 (JP, Y2) JP-B-39-18239 (JP, B1) JP-B-34-3420 (JP, B1) (58) Field (Int.Cl. ⁷ , DB name) B21C 1/30 B21C 1/34

Claims (12)

(57) [Claims] 01. A clamping pin jaw supported by a clamping carriage and moving in an extraction direction by an endless chain, said clamping pin jaws being opposed to each other in pairs transversely to the extraction direction. In this state, they are movably supported until they come into contact with and away from the material in the direction of one another during the movement in the withdrawal direction, in which case the lateral guides are provided with clamping clamps.
In a device for drawing and / or guiding long materials, such as electrical cables, tubes, ropes, etc., in the manner of laterally guiding the carriage, the lateral guides are provided with full rotation of the clamping jaws. Device for drawing and / or guiding an elongated material, characterized in that it comprises an endless guide rail extending along a track. The guide rail is a clamping carriage.
2. The profile unit according to claim 1, wherein said profile unit has a cross section with an open contour when viewed in the direction in which the guide rail is viewed from the side.
Equipment. 3. The device according to claim 1, wherein the guide rail is formed from multiple parts. [044] In the profile unit, each clamping carriage has a profiled cross section that is open on the side facing the respective guide rail in the direction in which the guide rail is viewed from the clamping carriage of the guide rail. 4. A guide roller according to claim 1, further comprising a guide roller.
Up to any one device. The guide roller (14) has a crankshaft.
U-shaped profile open when viewed in the carriage (4) direction
(12,12a, 12b)
5. The method according to claim 4, wherein the light sources are directed parallel to each other.
Equipment. 06. A guide rail from a clamping carriage
6. The device according to claim 4, wherein the legs on both sides of the profile unit having an open cross-section when viewed in the direction of view are provided with running surfaces for the guide rollers. 07. The device according to claim 6, wherein the running surfaces of the guide rollers and / or the guide rails are laminated with a synthetic material. The guide rails on both sides are provided with clamping caps.
8. The device as claimed in claim 1, wherein there is only one carrier for the rigid body. 9. The endless chain according to claim 1, wherein the endless chain is a tension member for a clamping carriage.
Any one of the devices from 1 to 8. 10. The device according to claim 9, wherein the clamping carriage is connected to an endless chain to which the clamping carriage belongs via a tension rod. 11. The device according to claim 10, wherein the tension rods are rotatably or pivotally mounted at their ends. 12. In the lower clamping carriages endless chain belongs claim 1, characterized in that it is guided so as to be freely movable with respect to the clamping carriage to 11 One device.