DE102010024117A1 - Device for providing clinching elements for pressing device, comprises clinching element, which is injected into work-piece from loading position at pressing device by impacting clinching element - Google Patents

Abstract

The device comprises a clinching element (2), which is injected into work-piece from a loading position at the pressing device by impacting the clinching element with a relative movement between a plunger (3) and the die-plate. A magazine cable is formed, in which a row of multiple clinching elements can lie upon one another. The front clinching element is individually transferred into loading position from pickup position with a transfer unit.

Description

State of the art

Pressing devices, for example, manufacturing tools with a device for providing press-in elements, such as fastening or connecting elements are known. Such press devices or tools relate, for example, to riveting, punching, clinching or pressfit tools. As press-in elements, for example, bolts, punching nuts, or rivets such as solid stamped, semi-hollow stamped or clinch rivets come into question.

The pressing device comprises a so-called setting head with a punch or plunger, with which a press-in element is guided to the relevant joint and introduced into the workpiece supported by a die. For example, in the automotive industry, different sheet metal materials are processed in the field of bodywork. In order to provide the necessary or different for the respective case pressfit on a tool, they must be brought to the setting head.

Previous delivery systems of press-in elements are not yet satisfactory, in particular with regard to a flexible use, a low susceptibility to interference and a simple construction.

Purpose and advantages of the invention

Object of the present invention is to improve technically and economically in arrangements for providing press-in elements for a pressing device or a pressing device. In particular, a functional or incorrect operation safety when pressing press-fit elements into a workpiece is to be improved.

This object is solved by the independent claims.

In the dependent claims advantageous variants of the invention are shown. The invention is initially based on a device for providing press-fit elements for a pressing device, which comprises a punch and a die, which are movable relative to each other, wherein a press-in element from a loading position on the pressing device by acting of the punch on the press-in element during a relative movement between the punch and the die can be pressed into a workpiece supported by the die.

A first essential aspect of the invention is that a magazine line is formed, in which a number of several press-in elements stacked above each other are presented, so that a foremost press-in element of the series at least substantially under the action of weight forces of the present in the magazine line press-in elements by moving the entire row of press-in elements arrives in a pick-up position, from which the foremost press-in element can be displaced individually with a transfer device into the loading position. This provides a simplified provision device for press-fit elements. In particular, with the underlying principle of gravity, which is universally effective for the applications in question, can be dispensed with a hitherto comparatively complex or trouble-prone mechanism for providing and tracking of press-fit into a pickup position or can be significantly simplified. In this case, the invention makes use of the fact that in the gravitational field by juxtaposing a plurality of press-in elements one above the other a force corresponding to the sum of the acting weight forces of the existing in-line press-in elements is added up so that these permanently and reliably to the movement of the entire row of press-fit leads. The driving force for the movement of the press-in element is, so to speak, present in the element to be moved or integrated. A press-in element in the row can be moved without separate force means with a force depending on the summed weight forces of all the previous press-fit. The foremost press-in element is the highest available in the row and caused by the other press-in force available, which allows its movement particularly safe. Due to the series of stacked like one another lying press-in elements also a connection for jointly moving all press-in elements is realized, so that from the last to the first press-in all press-in elements in the row are coupled touching despite the existing physical separation between the press-in elements.

With regard to known systems, the arrangement according to the invention is particularly advantageous. Because previous solutions are based on the principle of a male, which leads a press-fit jerky example, by a flexible hose. These arrangements are relatively expensive. In addition, the hose and other affected components are subjected to high alternating stresses with the jerky occurring and again falling force or pressure peaks. This is expensive and prone to failure, in particular because of a comparatively complicated hose arrangement with a complex hose connection or hose clamp.

In these systems, there are also regularly disturbances, especially in a startup phase, in manual mode or a restart after, for example, a fault or a stoppage of the arrangement. Because often a press-in element under the stamp is not or not positioned in the correct position, which can not always be reliably detected. With such a mispositioning of the press-in element, serious damage to the machine or the punching or pressing device can then occur during the subsequent stroke of the punch, for example if the press-in element protrudes into a shear area of the punch movement.

Advantageously, the pickup position, as soon as it is free and there is a connection to the row of press-in elements in the magazine line, is occupied by a foremost press-in element of the series of stamping elements. The loading position is slightly spaced therefrom, this distance can be predetermined and may be in the range of an outer dimension of the press-in element, advantageously, this distance is in the range 2 to 5 times the outer dimension of the press-in. This makes a compact design possible. The loading position lies in a path of movement of the punch, in particular so that the press-in element is symmetrical to the punch, for example, concentric with a joining axis predetermined by the punch movement.

The magazine line can be fixed or comprise rigid walls and / or be flexible. The magazine line is advantageously in particular completely rigid z. B. formed from a sheet material with a completely closed line inside.

Another essential aspect of the invention is that a movable pressure element is present, which presses on displacement of the press-in of the pick-up position in the loading position against one side of the pressing member, wherein the side of a support on which the press-in element is seated when offset, opposite. Thus it can be ensured that a press-in element is always held in a defined position when moving from the pick-up position to the loading position. Slippage and / or lifting the press-in element relative to the support is avoided. The press-in element can be moved into the loading position in any orientation and orientation. An oblique or sloping or increasing displacement of the press-in element is thus realized, without the risk that the press-in element gets into an undesirable or undefined position.

The pressing element presses in particular against a main side of the press-in element, for example against an end face in the case of press-in elements with a cylindrical outer shape. In particular, the pressing member presses against a side, which later acts on the punch when the press-in element is in the loading position and is stamped. The pressing element can press flat against the press-in element. A linear or punctiform contact area with the press-in element is also possible.

In particular, it is advantageous if the press-in element is not only pressed, for example, from an upper side by the pressing element and opposite to the support against a counter section, but also laterally fixed by corresponding counter sections in its position, in particular to the press-in of the pickup position defined in to move the loading position.

Advantageously, a driven sliding arrangement is provided, with which the press-in element from the pick-up position in the loading position is displaceable. A particular linear sliding movement with the sliding arrangement is reliable and can be realized to save space. Thus, in particular via a central control unit, a displacement of the press-in element can be precisely and precisely controlled. In particular, it is advantageous that the displacement arrangement can optionally be integrated with other elements which are necessary for displacing a press-in element in the region of a setting head or designed as an add-on unit. According to the invention, the function of a puncturing element can now advantageously be integrated in and / or on the setting head with the sliding arrangement without difficulty. Due to the short movement path when moving the walls can be made solid, so that the arrangement is very stable and can run without interference even in long-term operation.

The driven movement with the sliding arrangement between the pick-up position and the loading position takes place in the immediate vicinity of the setting head, which is advantageous.

Further, it is advantageous that a reciprocable slider is provided for displacing the press-in element, wherein the slider has a support on which the press-in element is seated in the pick-up position. So it can be ensured that from the row of several press-in elements in the magazine line the foremost press-in element is always taken by the slide. It only has to be ensured that the foremost press-in element from the magazine line slips on the support of the slide can if the pickup position is free. For this purpose, sections which due to increased friction between the foremost press-in element during the transition to the pick-up position, such. B. paragraphs between walls at the end of the magazine line and subsequent sections in the region of the slide or the pickup position to avoid. Furthermore, it is advantageous that already in a waiting position, when the slider is not moving and the press-in element is in the correct position in the pick-up position, the press-in element is prepared or defined for a subsequent displacement operation.

Alternatively, it is not excluded that the press-in element sits on a non-moving support when moving from the pick-up in the loading position. Then the slide pushes the press-in element in front of him, so to speak.

Due to the design of the support can also be acted upon a desired orientation or positioning of the press-in in the pickup position. For example, the bearing surface formed with the support for the contact of the press-in element may be parallel to the horizontal or inclined thereto.

For a secure and accurate positioning of the press-in element on the support further counter sections or boundaries are present at which abuts the exact position located in the pick-up press-in. At least one further counter section may be present on the slider, for example a wall section angled away from the support, in particular vertically angled. Thus, a press-in element in the collection position abut at least against two mutually angled stop surfaces on the slide. In general, further the Abholposition defining mating sections on the slide and / or other components available.

It is also advantageous that the slider is configured to move from a standby position with a forward movement of the foremost press-in element into the loading position, wherein a for the next press-in element next Einpresselement in the row of press-in elements arrives in the pickup position, after the slide the standby position again has reached. Thus, an exactly timed course of the provision of press-in elements can be ensured, which reduces the probability of interference with respect to the presentation of press-in elements in the pick-up position. A possibly problematic presenting the press-in element at an earlier time in the pickup position is thus excluded. Only after the slide has completely come to its standby position, and only then or the earliest next Versetzzyklus can be started, the next press-in element is pushed under the action of the weight forces of the existing in-line press-in elements in the pickup position. An early Nachschlutschen a press-in element can be provided for example with the slider itself. Then, during its return movement to the standby position, the slider can also act as a block for the second push-on element to slip further. For example, one side of the slider can block access to the pickup position from the magazine line or only release it when the ready position is reached.

With the particular linearly driven slide, the foremost press-in element is pushed away from the pick-up position by the upcoming row or chain of the press-in elements. But it is also another type of movement of the slider possible, for example, a pivoting and / or rotational movement.

Advantageously, the pressure element is spring-loaded, in particular a spring-loaded movable Druckstuck. The pressure piece presses under the spring force with a portion against a portion of the press-in element. The pressing element may in particular be pivotable, linearly movable and / or rotatable.

The spring loading of the pressure element is spring-loaded, in particular or the pressure stucco can be realized for example via a coil spring or other spring arrangement.

By a spring-loaded pressure element height tolerances can be compensated for the press-in.

An advantageous modification of the subject invention is characterized in that a stop contour is present, against which the foremost press-in is pressed in the pick-up position under the action of further in the magazine line lined pressfit, wherein the stop contour is formed such that a through the center of the Foremost Einpresselements extending symmetry axis of the press-in element is offset in the pick-up position to a central axis of the movement path of the press-in element when moving from the pickup position to the loading position. The offset of the press-in element in the pick-up position over the middle of the movement path of the subsequent displacement movement of the press-in element into the loading position is preferably only very small, for example a fraction of a millimeter. The press-in element slips when taking the pick-up position so to speak, something more than actually desired and must therefore later when moving be moved back by this distance with the slider.

This can prevent that a press-in element is not moved far enough and the pick-up position is not completely reached. In this case, the press-in element would project undefined far into a shear area of the slider during its movement. This is certainly avoided with the further set in Nachrutschrichtung away stroke contour. During the subsequent displacement operation by the slider, the press-in element is defined via z. B. a corresponding oblique guide surface on the stop contour on which the press-in element can slide along, brought back into the exact position in the displacement. As a result, a secure processing of the press-in element can be ensured.

Further, it is advantageous that a clamping receptacle is present, which clampingly holds a press-in element in the loading position. Thus, with the displacement of the foremost press-in element in the loading position with the reaching of the loading position, the press-in element can be fixed against a clamping force. The press-in element, which is clamped in the loading position, can thus not move back in one direction in the direction of the pick-up position or away from the punch. In particular, the clamped-held press-in element can not reach a shear area of the punch during its relative movement to the die.

It is also advantageous that the magazine line is releasably attachable to a setting head of the pressing device. Thus, for example, an interference contour can be rebuilt in the vicinity of the setting head by the magazine line, which is in particular spaced apart from parts of the pressing device or running freely, so that a considered area can be kept free. As a rule, the magazine line is releasably fixed to at least one further point of the pressing device.

It is also advantageous that a sensor arrangement is provided which detects the positionally correct presence of a press-in element in the loading position. For example, it can always be reliably determined via a light barrier arrangement whether a press-in element is present in the loading position. In particular, it is also possible to determine an exact loading position of the press-in element.

It is also advantageous that a sensor monitoring for controlling the presence of a predeterminable number of stackable in the magazine line over several pre-compressing elements is present. The sensor monitoring can ensure that there is always a minimum number of pressfit elements or punched nuts in the magazine line. As a result, always a sufficiently large force, which ensures the slipping of the press-fit.

The invention also relates to a pressing device for introducing a press-in element into a workpiece, with a punch and a die, which are movable relative to each other, wherein a press-in element from a loading position on the pressing device by acting on the stamping of the pressing element in a relative movement between the punch and the die can be pressed into a workpiece supported by the die. According to the invention, one of the devices described above for providing press-in elements to the pressing device is present. Thus, the advantages discussed above can be realized on a corresponding pressing device.

Brief Description:

Further advantages and features of the invention are explained in more detail with reference to the embodiment of the invention shown in FIGS.

In detail shows:

1 a detail of a pressing device according to the invention in a perspective view,

2 a detail of the pressing device according to 1 with partially transparent component sections shown in a perspective view in the direction of arrow P1 in 1 .

3 a sectional view through part of the pressing device according to the line AA 2 .

4 an enlarged section of the view according to 3 .

5 a perspective view of a section of the arrangement according to 3 omitting component sections and

6 a view from the top of the in 5 shown arrangement according to the section line BB 4 ,

1 shows a perspective section with a so-called setting head as a punching nut setting tool 1 formed pressing or punching device, in particular a matrizenseitiger part of the punching device and line sections are not shown. The punching nut setting tool 1 is used for punching punch nuts, of which the punch nuts 2 . 2a . 2 B . 2c are shown in a workpiece (not shown), for example a sheet, with a linear reciprocating punch 3 and one with the stamp 3 cooperating die. In this case, a recess is punched out of the workpiece with the help of the punching nut to be pressed in and the punching nut is then pressed into the snapping recess in the workpiece, wherein a positive connection between the workpiece and the punching nut can be produced.

The Stamp 3 moves the punching nut for punching 2 in the direction of the workpiece. The punching nut 2 is located before the punching process according to 2 in a loading position LP, where the punch nut 2 in an outside on the stamp 3 existing holding device 5 occasionally clamped.

Here, for example, four circumferentially distributed outside of the punch nut attacking and somewhat resilient trained holding jaws 5a . 5b . 5c and 5d used, whose contact contour on the outer shape of the punch nut 2 is tuned, so that at several especially in pairs cooperating, as with the holding jaws 5c and 5d , or at opposite locations, as in the holding jaws 5a and 5b , on the punch nut 2 a holding force can be applied to the punch nut. The contact contour of the holding jaws 5a to 5d is here to the outer cylinder shape of the punch nut 2 adapted according to concave or bent. The front opposite holding jaws 5a and 5b are also each with a funnel-like inlet edge for easier insertion and resilient bending of the punching nut 2 Mistake. From the loading position LP is the subsequent punching operation by the relative movement between the punch 3 and the die, especially if the stamp 3 performs a corresponding punch stroke, the punch nut 2 in the direction of the arrow 25 moved and stamped down into the workpiece. Preferably, the directions of movement P2 and P5 are perpendicular to each other.

The punching nut setting tool 1 includes a transfer station 4 for feeding punching nuts from a magazine tube 6 in the loading position LP. With the magazine management 6 a punched nut stock is formed, wherein the punching nuts are positioned in the correct position stacked on each other or are lined up in a chain nacheinender touching. The chain of punching nuts leads up to a pick-up position AP in the transfer station 4 , so that the picking position AP through the in the chain foremost punch nut 2a is busy. The foremost punching nut 2a is then separated individually in the pickup position AP from the chain and transferred to the loading position LP. The transfer process from the pickup position AP to the loading position LP takes place, in particular, without an intermediate or holding position, in particular transversely to the direction of the chain of the punching nuts, but it is also not possible to advance further obliquely to the chain direction or in the direction of the chain of the punching nuts.

The stocking with punching nuts from, for example, a main magazine takes place with the magazine line standing upright in the vertical direction 6 , Which in particular freely spaced over essential sections to other sections of the punching nut setting tool 1 is formed (see 1 ).

With a minimum sensor 7 or a maximum sensor 8th is always a minimum number of punching nuts in the magazine line 6 monitored, for example by connecting the sensors 7 . 8th with a superordinate control device for controlling the operation of the punching-nut setting tool 1 , This ensures that sufficient, depending on the gravity of the recorded punching nuts force to slippage of the nut chain acts.

At the bottom with the transfer station 4 connected end of the magazine line 6 this has a bent line section 6a on, whose front end with a housing 4a the transfer station 4 is screwed.

As 6 shows is in the case 4a an opening 9 and a subsequent line section 10 present in which the the line section 6a opens at the end. In the pipe section 10 is a lowermost or foremost punch nut 2a in the picking position AP and one to the punching nut 2a adjacent or penultimate punch nut 2 B completely in the transfer station 4 added. Another third last punch nut 2c in the area of the opening 9 partially protrudes into the line section 10 , The punch nuts 2a . 2 B and 2c are according to the bent pipe section 6a still lying almost horizontally next to each other. Next up in the line section 6a Further punching nuts are arranged one above the other, so that under gravity all other stacked punching nuts cause a force effect, which is an automatic Nachrutschen the chain of punching nuts in the direction of arrow P4 in 6 allows, if the pick-up position AP is not busy or slipping is not blocked, which will be explained below.

A separate or apparatus to be provided Einstoßerkraft for pushing stamped nuts in a pickup position, as in known arrangements, according to the invention is not necessary, which is advantageous because in particular eliminates a mechanically loaded flexible line. In particular, regularly occur in such lines disruptions by, for example, a failure of the line itself and / or an attachment between the flexible conduit and connection sections.

The internal structure and function of the transfer station 4 with a feed mechanism for punching nuts is in particular from the 3 to 6 clear. The punch nuts 2a . 2 B . 2c and more in the magazine management 6 above existing stamped nuts are after reaching the pickup position AP of a hydraulically, pneumatically or electrically driven in particular linearly movable slide 11 from the chain of punching nuts 2a . 2 B . 2c etc. isolated. This is the foremost punch nut 2a on a pad 11a a paragraph of the slide 11 seated, pushed away in the direction of the loading position LP until the punch nut 2a the loading position LP in the holding device 5 reached. This is done by a forward movement of the slider 11 from one to the 3 to 6 shown moved backward position in the direction of arrow P2 (see 4 ). This puts the slide 11 and with it the punching nut 2a in a transverse line 14 a displacement a back (see 4 ), with the punch nut 2a is not changed in their spatial orientation.

In the transfer station 4 a pressure mechanism is integrated, with which when putting the punch nut 2a from the pickup position AP in the loading position LP, the punch nut 2a always in a secured and defined position. The pressure mechanism acts on the on the support 11a existing punch nut 2a during their movement into the loading position LP. This is done with a movable pressure element 12 which is about a pivot axis S ( 3 and 5 ) pivotally mounted and via a coil spring 13 is spring-loaded.

During the forward stroke of the slider 11 according to the movement arrow P2 presses the pressure element 12 with a bottom 16a a centrally prominent nose cut out 16 the front part of the pressure element 12 under the spring force of the coil spring 13 on top of the punch nut 2a , This will be the punching nut 2a against the edition 11a pressed and secured in position. For this, the nose appears 16 in a complementary to the nose 16 matched groove 17 at the top of the slide 11 , wherein a groove bottom 17a the groove 17 is present so that in all tolerance-related possible heights of the punch nut 2a the groove bottom 17a below the top of the punch nut 2a lies.

The groove 17 is limited in Nutlängsrichtung on both sides of web-like elevations 18 and 19 each with a run-on slope 18a respectively. 19a and a flat support portion 18b respectively. 19b , The support sections 18b respectively. 19b are just above a top of the punch nut 2a ,

So that the pressing element 12 with the bottom 16a the nose 16 starting from the loading position LP on top of the punching nut 2a can push, presses in a forward stroke of the slider 11 according to the movement arrow P2 ( 4 ) the punch nut 2a against a convex or arched section of a paragraph 12a over which the nose 16 offset downwards on the pressure element 12 is trained. With the further forward stroke of the slider 11 including punch nut 2a becomes the pressure element 12 upward according to the arrow P4 against the spring force of the coil spring 13 pivots to the bottom 16a the nose 16 on the top of the punch nut 2a under the spring force of the coil spring 13 suppressed.

With the pressure element 12 is according to the in the 3 to 6 State shown also ensures that the punch nut 2a from the pickup position AP not uncontrolled in the direction of the transverse line 14 can move away. Because the punching nut 2a is at the convex portion of the paragraph 12a of the pressing element 12 at. Also on all other sides is a moving away the punch nut 2a in the pick-up position AP by one to rest 11a upward angled wall of the slide 11 , a section of the housing 4b and the punch nut 2 B blocked. Down the edition acts 11a and up the convex portion of the heel 12a as a stop.

After a punching nut has been brought into the loading position LP, the slider moves 11 according to the arrow P3 in its standby position, wherein the return stroke of the slider 11 over the holding device 5 It is ensured that there is no punch nut in a shear area 15 between the envelope movement of the punch movement path and the transverse line 14 or fixed sections of the transfer station 4 and thus it is ruled out that in the course of a punch stroke down to damage the punching nut setting tool 1 or the transfer station 4 comes.

During the return stroke of the slider 11 runs the nose 16 on the bottom of the hut ground 17a the groove 17 ,

To control the presence of a punch nut in the loading position LP is a sensor assembly 20 available (see 2 ), which is exemplified as a precision light barrier. By a light beam of a transmitting unit of the sensor arrangement 20 , where in 2 a possible ray path 21 on both sides of the punch nut 2 is indicated for better understanding, in cooperation with a corresponding receiving unit of the sensor arrangement 20 be precisely recognized if the punch nut 2 has been correctly loaded or is in its correct loading position LP.

By the with the sensor arrangement 20 provided optical methods is advantageously the method can be used universally or independently of a nut material.

For a switching cover area of the light beam which is necessary due to tolerances 19 can a residual risk of a clamping punch nut simply by a chamfer 22 or and / or inlet slope are minimized. The chamfer 22 used for punch stroke in direction P5 for uncritical sliding into a punch channel 24 one with respect to a to the ideal loading position LP something in the direction of the transverse line 14 staggered punch nut.

By appropriate design measures is a Störkonturbereich the magazine line 6 or associated elements such as the sensors 7 and 8th convertible without additional parts, for example from a right side to an opposite left side at the transfer station 4 or on a back 4c the transfer station 4 ,

There is also a stop 23 at the end of the line section 10 present, at which the lowest or foremost punched nut 2a abuts or under the effect of the weight forces by the other chain-like adjacent punch nuts 2 B . 2c etc. to the stop 23 is pressed. A transition from the surface of the line section 10 to the stop 23 is slightly inclined, so the punch nut 2a with its central axis over the extension to the longitudinal center axis of the slider 11 is moved out and only by the movement of the slider 11 or with the chamfer of the stop 23 something is brought back again. This will ensure that the punch nut 2a reliable and complete in the receiving area of the slider 11 arrives without jamming. For stamped nuts with a round outer shape, this may be less critical than with square, square or other punched nuts formed with an angular outer shape.

LIST OF REFERENCE NUMBERS

1

Pierce nut setting tool

2

pierce nut

2a-2c

pierce nut

3

stamp

4

Transfer station

4a, 4b

casing

4c

back

5

holder

5a-5d

holding jaws

6

Magazine line

6a

line section

7

Minimum sensor

8th

Maximum Sensor

9

opening

10

line section

11

pusher

11a

edition

12

pressing element

12a

paragraph

13

spiral spring

14

cross line

15

shear area

16

nose

16a

bottom

17

groove

17a

groove base

18, 19

increase

20

sensor arrangement

21

light beam path

22

chamfer

23

attack

24

plunger passage

Claims (12)

Device for providing press-fit elements ( 2 . 2a - 2c ) for a pressing device which a stamp ( 3 ) and a die, which are movable relative to each other, wherein a press-in element ( 2 ) from a loading position on the pressing device by the action of the punch ( 3 ) on the press-in element ( 2 ) during a relative movement between the stamp ( 3 ) and the die can be pressed into a workpiece supported by the die, characterized in that a magazine line ( 6 ) is formed, in which a number of a plurality of press-in elements stacked one above the other are presented, so that a foremost press-in element ( 2a ) of the row at least substantially under the action of weight forces of the existing in the magazine line press-in elements passes by moving the entire row of press-in elements in a pick-up position, from which the foremost press-in ( 2a ) is individually displaceable with a transfer device in the loading position. Device according to the preamble of claim 1, in particular according to claim 1, characterized in that a movable pressure element ( 12 ) is present, which upon displacement of the press-in element ( 2a ) from the pick-up position to the loading position against one side of the press-in element ( 2a ), whereby the side of an overlay ( 11a ) on which the press-in element ( 2a ) is seated when moving, opposite. Apparatus according to claim 1 or 2, characterized in that a driven displacement arrangement is provided, with which the press-in element ( 2a ) is displaceable from the pick-up position to the loading position. Device according to one of the preceding claims, characterized in that a Hin- and movable slide ( 11 ) for displacing the press-in element ( 2a ) is provided, wherein the slide ( 11 ) an edition ( 11a ), on which the press-in element ( 2a ) is seated in the pick-up position. Device according to one of the preceding claims, characterized in that the slide ( 11 ) is configured such, from a standby position with a forward movement of the foremost Einpresselement ( 2a ) in the loading position, with a foremost Einpresselement ( 2a ) next press-in element ( 2 B ) in the row of press-in elements in the pick-up position after the slide ( 11 ) has reached the ready position again. Device according to one of the preceding claims, characterized in that the pressure element ( 12 ) is spring-loaded, in particular comprises a spring-loaded movable pressure piece. Device according to one of the preceding claims, characterized in that a stop contour ( 23 ) against which the foremost press-in element ( 2a ) is pressed in the pick-up position under the action of the further in the magazine line lined pressfit, wherein the stop contour ( 23 ) is formed such that a through the center of the foremost press-in element ( 2a ) going symmetry axis of the press-in element ( 2a ) is offset in the pick-up position to a central axis of the movement path of the press-in element ( 2a ) when moving from the pick-up position to the loading position. Device according to one of the preceding claims, characterized in that a clamping receptacle ( 5 ), which is a press-in element ( 2 ) holds in the loading position by clamping. Device according to one of the preceding claims, characterized in that the magazine line ( 6 ) is releasably attachable to a setting head of the pressing device, Device according to one of the preceding claims, characterized in that a sensor arrangement ( 20 ) is provided, which the position-correct presence of a press-in element ( 2 ) in the loading position. Device according to one of the preceding claims, characterized in that a sensor monitoring ( 7 . 8th ) is present for controlling the presence of a predeterminable number of stackable in the magazine line superimposable several Einpresselementen. Pressing device ( 1 ) for introducing a press-in element into a workpiece, with a punch ( 3 ) and a die, which are movable relative to each other, wherein a press-in element ( 2a ) from a loading position on the pressing device ( 1 ) by the action of the stamp ( 3 ) on the press-in element ( 2 ) during a relative movement between the stamp ( 3 ) and the die can be pressed into a workpiece supported by the die, characterized in that a device according to one of the preceding claims is provided.

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