EP3820002A1 - Crimping device feed mechanism and crimping device - Google Patents

Abstract

The invention relates to a feed device (140) for a crimping device (100), with which a contact element strip can be guided in the direction of a processing area, in particular a crimping die and an anvil. The feed device (140) comprises a feed member (141) adapted to engage the contact member strip and a feed member holder (142) connected to the feed member (141), the feed member holder (142) having a feed member holder base (142a) and a feed element attachment element (142b) which can be adjusted relative to one another.Furthermore, the invention relates to a crimping device (100) comprising a feed device (140) and a table (120) which has a carrier body (125) and a table element (121) has, which are connected to each other and adjustable relative to each other.

Description

Technical area

The invention relates to a feed device for a crimping device with which a contact element strip can be guided in the direction of a processing area, in particular a crimping die and an anvil. The invention also relates to a crimping device which comprises a feed device and a table.

State of the art

In the prior art, crimping devices are known which have a feed device for moving a contact element strip in the direction of a crimping die. The feed device comprises a feed element which is held by a feed element holder. The feed element pushes the contact element strip step by step in the direction of the crimping die, where a contact element of the contact element strip is applied to an electrical conductor.

The advancing device is designed for a translational movement, with an advancing movement of the contact element strip towards the crimping die due to the fact that it engages in an opening on the contact element strip Feed element takes place and, in the event of a retraction movement of the feed device, the feed element can be pivoted about a horizontal axis in order to be moved out of the opening on the contact element strip by a pivoting movement. During the retraction movement, the feed element is guided to a subordinate opening on the contact element strip and, in the event of a further feed movement, can push the contact element strip in the direction of the crimping die.

Subject of the invention

The aim of the invention is to provide a feed device and a crimping device which are characterized by increased user-friendliness.

The subject matter of claim 1 provides a corresponding advancing device. Preferred embodiments are shown in the dependent claims. The invention also provides a crimping device which comprises a feed device and a table.

The invention provides a feed device for a crimping device, comprising: a feed element which is set up for engagement with a contact element strip (in particular an opening provided on the contact element strip), a feed element holder which is connected to the feed element. The advancement element holder has an advancement element holder base and an advancement element mounting element which are adjustable relative to each other.

The feed element holder is thus designed in two parts. For example, the feed element attachment element can be adjusted relative to the feed element holder base, see above that in particular the position of the feed element attachment element can be adjusted.

The invention also has the advantage that the feed device and / or the table can be retrofitted. The elements of the feed device form a unit, so that pre-assembly or storage is possible. Furthermore, a fine adjustment or readjustment can be carried out more easily and quickly.

In addition, the feed device provides a self-contained system in which the forces for adjustment do not act on other components.

The advancing element may be connected to an advancing element holder by attaching the advancing element to the advancing element mounting element. According to a further embodiment, the feed element can be connected to the feed element holder in that the feed element is formed in one piece with the feed element attachment element.

In one embodiment it is provided that for the relative adjustment of the feed element holder base and the feed element attachment element, a first adjusting element is provided, which is pretensioned by means of a first elastic element. In one embodiment, the first elastic element is a spring, for example a plate spring. In this way, a fine and precise adjustment can be made.

The first adjusting element, in particular an adjusting screw, can extend in a horizontal direction. The first adjusting element can thus be operated from one operating side.

If, according to a modification, the first adjusting element is designed in such a way that the adjusting element extends in a vertical direction, the adjusting element can, for example, be wedge-shaped.

It is preferred that the feed element attachment element is adjustable in the range of +/- 1mm to the feed element holder base. Adjustability of the position or fine positioning of the feed element attachment element is thus made possible.

In a further embodiment it is provided that a section of the feed element holder base is inserted into the feed element attachment element in such a way that the feed element attachment element can be moved along a degree of freedom, in particular along a translational axis. The adjustability is therefore aimed at precise adjustability.

The feed device can furthermore be designed in such a way that the feed element holder base and the feed element attachment element are produced by means of wire cutting and / or milling in order to provide a precisely fitting design.

Furthermore, a feed device is provided which, in one embodiment, has a feed arm, the feed element holder being pivotable relative to the feed arm. As a result of the pivotability, the feed element connected to the feed element holder can be guided out of an opening in a contact element band during a retraction movement / backward movement, for example. The feed arm is connected to a movement element which is set up to carry out a translational movement. In this way a retraction / backward movement can be provided.

Furthermore, a crimping device is provided which has: a feed device which, in a preferred embodiment, is designed according to one of the preceding aspects. The crimping device comprises a table which has a support body and a table element which are connected to one another and adjustable relative to one another.

Thus the table is made in two parts. For example, the table element can be adjusted relative to the table body, so that in particular the position of the table element can be adjusted. This enables positioning without costly conversion work.

It has proven to be particularly advantageous to combine the feed device, which is designed according to one of the preceding aspects in a preferred embodiment, with the said table in a crimping device in order to carry out fine adjustment of the feed device, in particular the feed element, on the one hand and the table on the other to be able to.

For the relative adjustment of the support body and the table element, the crimping device can have an adjusting element, for example an adjusting screw, which is pretensioned by means of a second elastic element. The second elastic element can be a spring, in particular a plate spring. In this way, a fine and precise adjustment can be made.

It is preferred that the second adjusting element extends in a horizontal direction. The second adjusting element can thus be operated from one operating side.

In a further embodiment it is provided that the carrier body and the table element by means of at least one fastening component, for example one Fastening screw, are fastened together. Thus, the table element and the support body are connected to one another and the adjustability can take place by introducing force.

It is preferred that the table element can be adjusted in the range of +/- 1mm to the carrier body. Adjustability of the position or fine positioning of the feed element attachment element is thus made possible.

The crimping device can have a guide, in particular a translational guide, in order to guide the relative adjustment of the table element to the carrier body.

Furthermore, a strip guide attached to one side of the table element can be provided, the table element having a first groove and / or a second groove on the side facing the strip guide.

A contact element, which is to be moved in the direction of a machining area, can be guided in the first groove. The second groove can hold a guide and / or a receptacle for the advancing element. In particular, a tip of the advancing element can be received in the second groove. If necessary, the second groove can also provide a free space if a contact element strip should be provided with embossings or similar mechanical guides.

In addition to the feed device, a method for setting a feed element holder according to one of the aforementioned aspects is provided.

Another method relates to a method for setting a crimping device according to one of the aforementioned aspects, in particular for setting a table of the crimping device.

Brief description of the drawings

Fig. 1

shows a crimping device which is equipped with an embodiment of the feed device according to the invention.

Fig. 2

FIG. 13 is a perspective view of a portion of the FIG Fig. 1 shown crimping device.

Fig. 3

Fig. 3 is a top plan view of the Fig Fig. 1 and 2 shown feed element holder.

Fig. 4

Fig. 3 is a sectional view of the in Fig. 3 shown feed element holder in the cutting plane AA.

Fig. 5

shows a detailed view of the table of the crimping device according to FIG Fig. 1 .

Fig. 6

shows a top view of the in Fig. 5 illustrated table.

Fig. 7

FIG. 13 is a sectional view on the section plane BB in FIG Fig. 6 .

Fig. 8

shows a perspective view of a carrier body.

Detailed description of the preferred embodiments

A preferred embodiment is explained in detail with the aid of the attached figures. Modifications of certain features mentioned in this context can each be individually combined with one another in order to form further embodiments of the invention. Although the embodiment described below is to be understood as purely exemplary and not restrictive, features can be used individually to further characterize the invention.

Fig. 1 shows a crimping device 100 which can be used for applying a contact element to an electrical conductor. Such contact elements are usually combined in a contact element strip which is fed to the crimping device 100. For example, a contact element strip in roll form can be provided adjacent to the crimping device 100 and guided from the roll into the region of the crimping device 100. The individual contact elements are then processed by means of the crimping device 100.

The crimping device 100 comprises a base body 101 which has a plurality of sections / areas.

A crimping die 150 of the crimping device 100 is provided below a section of the base body 101, which die is moved in a vertical direction downward in the direction of an anvil 151 and in this way can be brought into engagement with the supplied contact element.

Furthermore, the crimping device 100 comprises a table 120, the structure of which is to be explained again in more detail below. A brake 130 and an eccentric disk 131 are provided adjacent to the table 120. Furthermore, a front contact guide 132 is attached to the table 120, to which a feed element guide 133 is attached. The advancing element guide 133 can be moved relative to the front contact guide 132 after the fastening means (screws) connecting them have been loosened.

A strip guide 134 in the form of a sheet metal is attached to the table 120. Before the crimping device 100 is put into operation, the strip guide 134 is aligned and fixed on the table 120.

Between the strip guide 134 provided above the table 120 and the feed element guide 133, which is held by the front contact guide 132, the contact elements of the contact element strip are guided during operation of the crimping device (in Figure 1 left to right).

A feed device 140 is provided in the vertical direction above the strip guide 134.

The advancing device 140 comprises an advancing element 141, which comprises a section extending essentially in a horizontal direction and a section extending essentially in a vertical direction. The section extending essentially in the vertical direction extends in sections into an area between the feed element guide 133 and the strip guide 134.

The advancing element holder 142 includes an advancing element holder base 142a and an advancing element attachment member 142b. The feed element holder 142 is thus designed in two parts. To connect the advancing member holder base 142a and the advancing member attaching member 142b, a set screw (adjusting member) 143 is provided to connect interengaging portions of the advancing member holder base 142a and the advancing member attaching member 142b.

The feed member 141 is connected to a feed member holder 142 by attaching the feed member 141 to the feed member attachment member 142b. For this purpose, an elongated hole is provided on the feed element attachment element 142b through which a fastening element, such as a screw, can be guided. According to a further embodiment, the feed element 141 can also with the Advance member holder 142 may be connected by integrally forming the advance member 141 with the advance member attachment member 142b.

From the sectional view along the line AA of Fig. 3 , in the Fig. 4 is shown, it can be seen that a plate spring 144 (first elastic element) is provided within the advancing element holder base 142a, with which a preload of the advancing element holder base 142a and the advancing element attachment element 142b is provided.

Compared to a conventional design, the two-part design of the advancing element holder 142 has the advantage that the accessibility of the adjusting screw 143 allows fine adjustment of the position of the advancing element attachment element 142b relative to the advancing element holder base 142a, so that the advancing element 141 can be moved in a horizontal direction relative to the strip guide 134 can. The adjustment movement is preferably in the range of +/- 1mm.

The feed element holder 142 is connected to a feed arm 145 by means of a pivot axis 146. The feed element holder 142 can thus be pivoted about the pivot axis 146 (preferably extending in a horizontal direction) relative to the feed arm 145. As a result of this pivoting movement, the feed element 141 can jump over an opening in the contact element strip when the crimping device is in operation when the feed device 140 moves backwards / backwards.

The feed arm 145 is connected to a movement element 147 which is held by a guide 148. A direction of movement of the movement element 147 is predetermined by the guide 148.

If the movement element 147 is moved in one direction of the guide 148 during operation of the crimping device 100, when the movement element 147 moves in the direction of the portion of the base body 101 receiving the crimping die, the feed element 141 can move a contact element in the direction of the portion of the base body receiving the crimping die 101 can be moved. The crimping die 150 of the crimping device 100 is provided below the section of the base body 101 that receives the crimping die, which can be moved in a vertical direction downwards in the direction of the anvil 151 and in this way can be brought into engagement with the supplied contact element.

After a contact element has been applied to the electrical conductor, the movement element 147 is removed from the section of the base body 101 receiving the crimping die 150 in a backward movement. As a result, the feed element 141 is also moved back from the section of the base body that receives the crimping die 150, and thus from the actuation area of the crimping die and the anvil 151.

Since the advancing element holder 142 is pivotally attached to the advancing arm 145, the advancing element holder 142 folds / pivots upward (in FIG Fig. 1 counterclockwise around the pivot axis 146) when the feed element 141 is guided out of an opening provided on the contact element strip.

According to a modification, however, the crimping device 100 can also be designed for feeding in an opposite direction. In this case, the advancing element holder would fold upward when the moving element moves backwards in a clockwise direction.

The feed element 141 is then moved to a subordinate opening on the contact element strip and can enter it intervention. The contact element to be fed in a subsequent processing step can thus be moved in the direction of the anvil 151 by the feed element 141 by engaging in the subordinate opening of the contact element strip.

The table 120 has, for example, a table element 121 which is provided with a first groove 122 and a second groove 123 on one side (upper side in a vertical direction). A contact element can be guided in the first groove 122. The second groove 123 can hold a guide for the advancing element 141 ready. In particular, a tip of the advancing element 141 is received in the second groove 123. If necessary, the second groove 123 also provides a free space if a contact element strip should be provided with embossments or similar mechanical guides.

A set screw bore 124 is provided on the side of the table element 121 facing the front contact guide 132.

Although the table 120 described in the present embodiment has the first groove 122 and the second groove 123, a table with only one of these grooves or a table without a groove can be provided according to other modifications.

On one side (lower in the vertical direction) of the table element 121, a carrier body 125 is provided, for example, which provides a guide 126 for the table element 121.

In the representation of Fig. 5 no screw is inserted in set screw bore 124 for purposes of illustration. In the operating state of the crimping device 100, however, there is an adjusting screw (adjusting element) 127 in the adjusting screw bore 124, which in the sectional view BB according to FIG Fig. 7th is shown. The adjusting screw 127 connects the support body 125 to the table element 121. A plate spring 128 (second elastic element) is provided in the connection area, which is compressed by tightening the adjusting screw 127.

In addition, fastening screws 129 are provided, which are guided through an elongated hole 125a in the support body 125 and screwed into the table element 121. In the exemplary embodiment, the fastening screws 129 are pretensioned by means of springs 129a.

The table element 121 and the support body 125 are fastened to one another in a prestressed manner by the fastening screws 129. The pretensioned fastening enables the table element 121 and the support body 125 to be adjusted relative to one another.

Two grub screws 160 are provided in the table element 121 for additional anchoring of the fastening screws 129. The grub screws 160 are provided at their tip with a plastic element 161 which, when the grub screws 160 are actuated, engages with the fastening screws 129 and is pressed into their threads and prevents rotation.

Although two grub screws 160 are used in the exemplary embodiment, according to further modifications, another fixing means or other fixing means can also be used.

The two-part construction of the table 120 with the table element 121 and the support body 125 has the advantage that the setting screw 127 accessible through an opening in the front contact guide 132 enables fine adjustment of the position of the table element 121 in the installed state of the Table 120 can be made without removing components of the crimping device 100 from this.

The feed element 141 can be adjusted by means of the adjusting screw 143 by means of a quantitative similar adjustment movement of the table element 121 by means of the adjusting screw 127 in order to always maintain the same relative position of the table 120 to the feed element 141. This can also take place when the table 120 is installed, in particular from an operating side.

Although the embodiment describes an adjustment option of the table element 121 relative to the carrier body 125 and an adjustment movement of the feed element attachment element 142b relative to the feed element holder base 142, in further embodiments only one of the mentioned adjustment movements can be implemented in a crimping device.

Claims (14)

A feed device (140) for a crimping device (100), comprising: a feed element (141) which is set up for engagement with a contact element band, a feed element holder (142) connected to the feed element (141), characterized in that the advancing element holder (142) has an advancing element holder base (142a) and an advancing element mounting member (142b) which are adjustable relative to each other. Feed device (140) according to claim 1, characterized in that
For the relative adjustment of the feed element holder base (142a) and the feed element attachment element (142b), a first adjusting element (143) is provided which is pretensioned by means of a first elastic element (144), preferably a spring, in particular a plate spring. The advancing device (140) according to claim 2, wherein the first actuating element (143) extends in a horizontal direction. Feed device (140) according to one of the preceding claims, characterized in that the feed element attachment element (142b) is adjustable in the range of +/- 1mm to the feed element holder base (142a). Feed device (140) according to one of the preceding claims, characterized in that a portion of the advancing element holder base (142a) is inserted into the advancing element attachment element (142b) such that the advancing element attachment element (142b) is movable along a degree of freedom, in particular along a translational axis. Feed device (140) according to one of the preceding claims, characterized in that the feed element holder base (142a) and the feed element attachment element (142b) are produced by means of wire cutting and / or milling. Feed device (140) according to one of the preceding claims, further comprising a feed arm (145), wherein
the feed element holder (142) is pivotable relative to the feed arm (145), the feed arm (145) being connected to a movement element (147) which is set up to carry out a translational movement. A crimping device (100) comprising: a feed device (140), in particular a feed device according to one of the preceding claims, a table (120) which has a support body (125) and a table element (121) which are connected to one another and adjustable relative to one another. Crimping device (100) according to claim 8, characterized in that
for the relative adjustment of the support body (125) and the table element (121), a second adjusting element (127) is provided, which by means of a second elastic element (128), preferably a spring, in particular a plate spring, is pretensioned. Crimping device (100) according to one of Claims 8-9, characterized in that the second adjusting element (127) extends in a horizontal direction. Crimping device (100) according to one of Claims 8-10, characterized in that the carrier body (125) and the table element (121) are fastened to one another by means of at least one fastening component (129), in particular a fastening screw. Crimping device (100) according to one of Claims 8-11, characterized in that the table element (121) can be adjusted in the range of +/- 1mm to the carrier body (125). Crimping device (100) according to one of Claims 8-12, further comprising a, in particular translational, guide (126) in order to guide the relative adjustment of the table element (121) to the carrier body (125). Crimping device (100) according to one of claims 8-13, further comprising a strip guide (134) attached to one side of the table element (121), the table element (121) having a first groove (122) and / or on the side facing the strip guide has a second groove (123).

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