DE102009040646B3 - Device for separating contact tongue i.e. bridge bar, from plug-in bridge i.e. plug-in bridge system, in automated tool, has tool with cutting edge, and bridge bar that is accurately fitted into contours, which are formed in tool - Google Patents

Abstract

The device has a plug-in bridge system (12) connected on a series terminal using a bridge bar (10), so as to realize a potential distribution within the series terminal. A tool (18) exhibits a cutting edge (20), and the bridge bar is accurately fitted into contours (22, 24) that are formed in the tool. The tool exhibits an upper part (14) and a lower part (16), where the contours are formed at the upper part and/or at the lower part. The contours are arranged on two different planes (28, 30) that are formed at the upper part and/or at the lower part.

Description

The The invention relates to a device for separating a bridge web a jumper system.

through Jumper systems or by means of jumpers can Potential distributions implemented within a terminal block system Be by the jumper systems or the jumpers by means of their bridge bridges, also called contact tongue to be put on the terminal blocks. The jumper systems can For example, be formed 2- to 50-pin. To a skipping bridging to be able to realize can single or several bridge bridges from the jumper system be separated. The separation is usually done manually by means a pair of needle-nose pliers, whereby by a reciprocating the needle-nose pliers or by a Hin and Moving the bridge bridge in the needle-nose pliers the bridge bridges to be separated at a designated Predetermined breaking point is separated.

adversely in the separation of a bridge web By means of a pair of needle-nose pliers, it is on the one hand, that at the separation point often an unwanted one Burr forms, which by the back and forth moving the Spitzzange or bridge bridge in the nose pliers arise. On the other hand, this method of separation especially with a larger amount to be assembled to jumper system very power consuming and time consuming.

From the US 4194801 A respectively. DE 7723993 U is a cross connection comb for terminal blocks, known with metallic prongs and a contact protection in the form of a metallic zinc back surrounding sheath of insulating plastic, wherein the shell consists of a U-shaped profile strip, which is provided at one end with insertion openings for the tines and a Zinkenrücken has elastic interlocking locking.

From the DE 2119466 C2 is a crimping tool for crimping electrical connection contacts to end stripped conductor known, with a frame on which two handles are arranged, an anvil, relative to the anvil by the mutual movement of the handles mutually movable thrust body and a crimping jaw assembly, which also has a Scherbacken and is movable over the thrust body relative to the anvil, wherein the squeeze jaw assembly comprises a first and second crimping jaws, which are successively actuated during crimping, that between the first and second crimping jaws, a spring is arranged, so that the second crimping jaws is still movable After the first crimping jaws has already been brought into its end position, and that the shear jaws can be further moved by further movement of the thrust body for shearing under abutment with the associated portion of the anvil.

From the DE 10338787 A1 a cross connector for terminal blocks is known with a rail strip, are arranged on the plurality of comb-type plugs for plugging in plug-in openings of busbars arranged adjacent terminal blocks, and a rail insulating insulating housing, at least one plug for separating from the rail has a predetermined breaking point and a part of Insulating housing encloses the predetermined breaking point of at least one plug.

From the DE 3048497 A1 is a cross connector for terminal blocks known, consisting of a connecting web, are arranged at the distance of the terminal blocks to the busbars extending spacers over predetermined breaking points, wherein the cross connector is equipped with guided by the spacers screws, characterized in that the spacers approximately U-shaped Tabs are, which are arranged with the upper edge of their one leg on the predetermined breaking points on the lower edge of the formed as a narrow handle strip connecting web and the screws are held captive in the bottom region of the U-shaped tabs.

Of the The invention is therefore based on the object, a device for Separating a bridge web a jumper system to disposal to provide, which by a simplified and time-reduced Handling distinguishes.

The solution The object is achieved according to the invention by the features of the claim 1. Advantageous embodiments of the invention are specified in the subclaims.

The inventive device for separating a bridge web a jumper system has a tool having a cutting edge, wherein the Bridge bridge to be separated in a trained in the tool contour substantially accurately can be inserted.

By means of the device according to the invention, the handling when separating a bridge web of a bridge bridge system is substantially facilitated. For separating a bridging web, this bridging web is inserted into the contour of the tool, the contour corresponding at least in some areas substantially to the outer peripheral surface of the bridging web. As a result, the bridge web can be inserted into the tool with exact position, while the bridge itself remains in this position during separation and thereby can not slide back and forth within the tool. Due to the fact that the bridging web itself does not change its position within the tool when it is being cut off, it is possible to prevent the formation of a degree at the parting edge of the bridging web. The contour itself serves as a length stop element, whereby the user knows how far the bridge bridge to be separated should be inserted into the tool, so that a targeted separation can be carried out at the predetermined breaking point provided for this purpose by means of the cutting edge of the tool. The cutting edge preferably engages directly behind a perforation line provided on the bridging web on the bridging web, so that the requirements for clearances and creepage distances, in particular for avoiding leakage currents, are met during separation. By using the device according to the invention, the handling in the separation of a bridge web can be significantly simplified and thereby cost reduced.

To A preferred embodiment of the invention comprises the tool an upper part and a lower part, wherein the contour of the upper part and / or is formed on the lower part. The upper part and the lower part of the tool is preferably substantially symmetrical to each other formed, so that the upper part and the lower part engage with each other can, wherein the upper part and the lower part preferably only through the on a side surface the contour of the upper part and / or the lower part. Due to the symmetrical design, the upper part and the lower part also be exchanged against each other on the tool, so that The lower part can also act as a top and vice versa. Is the Contour formed on the upper part of the tool, so it is easier when disconnecting a bridge bridge resulting trimmings easier to remove.

Further it is preferably provided that at least two contours for each differently designed bridge bridges are provided. The contours preferably differ in that they have a different width and / or a different one Have length, so that different width and / or different long bridge bridges can be edited by means of a tool. This allows the functionality of the device according to the invention be increased significantly.

there it is particularly preferred that the at least two Contours on at least two different on the top and / or on the lower part formed levels are arranged. As a result of that the different contours on different arranged on the upper part and / or on the lower part formed levels are, can the contours on top of each other, so to speak be arranged so that the contours as possible to save space on the Tool can be provided whereby the dimensions of the entire device and thus possibly needed Space for installation of the device in a machine essential can be reduced.

The Cutting edge of the tool can according to a further preferred embodiment of the invention formed on the upper part and the lower part of the tool be. The formed on the upper part and the lower part cutting edges are preferably formed symmetrically to one another. Is the cutting edge provided on the upper part and on the lower part, so the cutting edge formed pliers be such that the formed on the upper part cutting edge and formed on the lower part of the cutting edge simultaneously in the at the bridge footbridge provided predetermined breaking point can engage such that the cutting edges can move towards each other, what the for the individual cutting edge zurückzulegenden Path when disconnecting the bridge bridge reduced, resulting in improved efficiency and a significant time savings for the separation process can be reached by yourself.

Around Achieve a required in the separation process power savings to be able to It is further preferred that the bridge bridge is offset by an angle in the tool can be inserted. This means that the bridge bridge with its longitudinal axis not parallel to the axis of symmetry of the tool in the tool can be inserted, but that the bridge bridge inserted in such a way in the tool that can be the longitudinal axis of the bridge footbridge with an angle> 0 ° to the axis of symmetry of the tool is positioned. The angle is preferably between 1 ° and 15 °. By the Angle offset insertion of the bridge web may further tilting of the bridge footbridge be prevented in the tool or in the contour of the tool.

According to one further advantageous embodiment of the invention is the tool manually or electrically operated. In the electrical operation can the separation of the bridge web completely automatic take place, the entire device in an automated manufacturing unit can be introduced.

The invention further relates to a machine tool comprising a device as described above and further developed for separating a bridge web of a jumper system. The machine tool, for example, a Crimpau tomat or a crimping tool.

following the invention will be with reference to the accompanying drawings based on a preferred embodiment explained in more detail.

It demonstrate:

1 a perspective, schematic representation of the device according to the invention when inserting the jumper system to be machined in the tool; and

2 a schematic sectional view of the device according to the invention, wherein the jumper system to be machined is inserted into the tool.

1 shows a device according to the invention for separating a bridge web 10 a jumper system 12 with a top 14 and a lower part 16 having tool 18 , For separating the bridge web 10 is both on the top 14 as well as on the lower part 16 a cutting edge 20 intended.

In the embodiment shown here, the tool 18 at its lower part 16 a first contour 22 and a second contour 24 on, in which the bridging bridge to be separated 10 can be inserted accurately. The contours 22 . 24 are U-shaped and correspond to a portion of the outer peripheral surface of the bridging web to be separated 10 , The contours 22 . 24 differ in that they have a different width and / or a different length, so that different width and / or different long bridge bridges 10 in the tool 18 can be inserted accurately. In the in 1 embodiment shown has the first contour 22 a greater width than the second contour 24 , so that in the first contour 22 wider and longer bridges 10 can be inserted as in the second contour 24 , The contours 22 . 24 form a length stop for the bridge webs to be positioned therein 10 so that by means of the contours 22 . 24 can be specified, how far the bridge bridges 10 in the tool 18 should be inserted so that they optimally at their breaking point 26 can be separated.

As in 1 it can be seen, are the first contour 22 and the second contour 24 on top of each other on two different levels 28 . 30 on the tool 18 intended. The first level 28 , in which the first contour 22 is formed, is of the lower part 16 Seen from higher than the second level 30 in which the second contour 24 is provided.

In 2 is a schematic sectional view of the device according to the invention shown, wherein the jumper system to be processed 12 or the bridging bridge to be separated 10 in the tool 18 is inserted. The bridge bridge to be separated 10 is in the first contour 22 accurately inserted by the bridge bridge 10 with its front surface 32 at the first contour 22 abuts, which serves as a longitudinal stop. But it is also possible that the plastic edge 34 of the jumper system 12 as a length stop at the cutting edge 20 serves.

As in 2 can be seen, is the bridge bridge 10 offset at an angle in the tool 18 inserted. This means that the bridge bridge 10 with its longitudinal axis 36 not parallel to the axis of symmetry 38 of the tool 18 in the tool 18 is inserted, but that the bridge bridge 10 such in the tool 18 is inserted that the longitudinal axis 36 of the bridge footbridge 10 with an angle α> 0 ° to the axis of symmetry 38 of the tool 18 is positioned.

Of the Angle α is thereby preferably between 1 ° and 15 °.

The device according to the invention is characterized in that due to the optimal design and translation of the tool shown here 18 with the least possible use of force a simple and fast assembly of jumper systems 12 is possible.

The shown here device can, for example, in a machine tool be used, so that a partially or completely automated handling or use of the device can be done.

LIST OF REFERENCE NUMBERS

10

footbridge

12

Jumper System

14

top

16

lower part

18

Tool

20

cutting edge

22

first contour

24

second contour

26

Breaking point

28

first level

30

second level

32

front area

34

Plastic edge

36

longitudinal axis

38

axis of symmetry

Claims (8)

Device for separating a contact tongue ( 10 ), also Brückensteg ( 10 ), from a jumper ( 12 ), also jumper system ( 12 ), the jumper ( 12 ) is configured such that by means of the jumper ( 12 ) a potential distribution within a terminal block is realized by the jumper ( 12 ) by means of its contact tongue ( 10 ) is placed on the terminal, with a cutting edge ( 20 ) tool ( 18 ), wherein the separated contact tongue ( 10 ) into one in the tool ( 18 ) formed contour ( 22 . 24 ) is substantially accurately inserted. Device according to claim 1, characterized in that the tool ( 18 ) a top ( 14 ) and a lower part ( 16 ), wherein the contour ( 22 . 24 ) at the top ( 14 ) and / or at the lower part ( 16 ) is trained. Device according to claim 1 or 2, characterized in that at least two contours ( 22 . 24 ) for each differently formed bridge bridges ( 10 ) are provided. Device according to claim 3, characterized in that the at least two contours ( 22 . 24 ) on at least two different ones on the upper part ( 14 ) and / or at the lower part ( 16 ) trained levels ( 28 . 30 ) are arranged. Device according to one of claims 2 to 4, characterized in that the cutting edge ( 20 ) at the top ( 14 ) and at the lower part ( 16 ) is trained. Device according to one of claims 1 to 5, characterized in that the bridge web ( 10 ) offset at an angle in the tool ( 18 ) can be inserted. Device according to one of claims 1 to 6, characterized in that the tool ( 18 ) is manually or electrically operable. Tool machine, comprising a device for separating a bridge web ( 10 ) of a jumper system ( 12 ) according to one of claims 1 to 7.

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