DE3316355A1 - DEVICE FOR LABELING WORKPIECES - Google Patents

Description

description

The present invention relates to a device for marking workpieces according to the preamble of claim 1.

In such a device known from DE-OS 32 21 980 for labeling workpieces is the unit of the two guides, the stepper motor and the four-wheel holder on one Fixed base plate that carries the equipment table for clamping the workpieces. This device is controlled by a computer, in which the type of labeling is entered. Such devices provided with a device for labeling workpieces are of the structural type Effort here, as far as the stand and the tool table are concerned, justified there, where the devices should cover a new field of work within a company. However, there are in other companies devices for labeling and also processing workpieces of others and older design in use, with which one can no longer work productively, whose full-

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constant use by a more modern device described above or its complete Nevertheless, scrapping is not justified without further ado in terms of financial expense appears.

The object of the present invention is to provide a device for labeling workpieces of the type mentioned in an advantageous manner in connection with components that already exist to make older labeling devices and / or other processing devices usable.

This task is performed in a device for labeling workpieces of the type mentioned solved by the features specified in the characterizing part of claim 1.

The use of the device is thus according to the invention For labeling workpieces on the machine frame of an older pantograph engraving machine possible. With these pantograph engraving machines, the pantograph with the template is on the upper part of the machine stand

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put on, which components are removed in a simple manner and through the device according to the invention be replaced. This allows the machine stand including the tool table used according to the invention for the device for labeling workpieces of the type mentioned be, which means that the financial expenses for the renewal or modernization of the device for labeling workpieces can be reduced to a large extent.

The same applies if the device according to the invention for labeling workpieces in Combination with a drill stand is used. This novel use or Linking a stand of an existing old machine with the device according to the invention for labeling workpieces is also particularly advantageous because the constructive effort for adaptation and the necessary assembly by the user are minimal.

Because the upper part of the machine stand of a pantograph engraving machine Has a T-shaped receiving groove, it is useful in one case, a

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to provide the guides of the device according to the invention with a shoe that is in this receiving groove can be fastened in a certain position in a simple manner. Otherwise it is advisable to provide one of the guides with a slotted receiving sleeve that on the upper free end of the vertical column of a pillar drill pivotable and in can be clamped in different positions. This means that there are not just small workpieces Above the workpiece table, but also large workpieces outside of it can be labeled.

Another problem with devices for labeling workpieces of the type mentioned at the beginning Kind, both with those who, as mentioned above, on the upper part of a machine stand a pantograph engraving machine or a pillar drilling machine, for example as well as those who have their own base plate and their own tool table are, consists in handling when labeling non-level workpieces, so such Workpieces with curved, preferably cylindrical

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cylindrical or conical surfaces are provided. In known devices for labeling Synchronization is, for example, of workpieces provided with a cylindrical surface the movement of the working head on the one hand and the rotating movement of the, for example, cylindrical Workpiece difficult or solved in a very expensive manner. With the help of the present invention is therefore also a device for marking workpieces with non-planar surfaces to be improved to the effect that the synchronization the sequence of movements between the working head and the workpiece, both structurally and from the Handling is easier.

According to the invention, this is the case with a device for labeling workpieces of the above mentioned type solved by the features specified in the characterizing part of claim 6.

With this structural arrangement, the rotary movement is synchronized with the working head movement of the e.g. cylindrical workpiece in

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easily derived from the relative movement between the workpiece table and the work head. The adaptation to different radii of the curved surface to be labeled, for example different cylindrical workpiece diameters is easily done by replacing the Drive wheel, the radius of which should always correspond to the radius of the curved workpiece surface. The replacement and re-engagement of the drive wheel with the roller conveyor can therefore be done in can be made easily because the drive wheel is held pivotable about the first shaft is.

According to a preferred embodiment, the drive wheel is an exchangeably held gear and the roller conveyor a rack.

In the structural configuration outlined, the first and second shafts are expedient A toothed belt drive is preferably connected to one another via a gear unit. The translation is the same under the aforementioned conditions with regard to the diameter of the drive wheel

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that of the cylindrical workpiece, expediently 1: 1. that this can then be set differently if correspondingly smaller drive wheels are used Find. Even if the changing of the drive wheel for different workpiece surface radii the most appropriate, it is possible, to use the gear ratio instead to change the transmission.

With both types of use of the device for labeling workpieces, i.e. whether it is on an existing machine stand with a tool table attached or with your own Base plate and tool table is provided, the unit having the drive wheel is on the one hand and the roll-off track on the other hand on respective corresponding device parts which can be moved relative to one another attached.

Further details and configurations of the invention are to be found in the following description in which the invention based on the in

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The drawing illustrated exemplary embodiments is described and explained in more detail. Show it:

Figure 1 is a side view of a device for labeling workpieces, like they do on a machine

Stand is grown, according to one embodiment of the present Invention,

Figure 2 is a view according to arrow II of Figure 1,

FIG. 3 one of FIG. 1 corresponding

Side view, but according to a different embodiment,

FIG. 4 shows a view according to arrow IV of FIG. 3,

FIG. 5 shows the top view of the device according to FIG. 4,

FIG. 6 shows a side view corresponding to FIG. 3, but pivoted through 180 Contraption,

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Figure 7

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a side view of a device for labeling workpieces, which are arranged on their own base plate and provided with their own tool table is, according to a further embodiment of the present invention

10

Figure 8

a view according to arrow VIII of Figure 3, and

Figure 9

the top view of the device of FIG.

1 and 2 show a device 11 for Labeling of workpieces 12 with planes

1 5 and / or curved surfaces to be labeled 15 are provided, which device 11 according to the illustrated first embodiment present invention is designed such that it is on the upper part 13 of a machine

20 stand 14, which was originally part of a now

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used pantograph engraving machine, can be fastened or fastened in a simple manner.

The machine stand 14 has a column part 16 which is fastened on a stand plate 17 and which is firmly connected at its upper end to the cranked upper part 13, the has a T-shaped receiving groove 18 running in the longitudinal direction on the upper side. On the stand plate 17 there is also a tool table 19 in the vertical direction according to the double arrow Z. arranged vertically adjustable in the usual way. The tool table 19, the one with T-shaped clamping grooves is provided, can also be moved back and forth in the direction of the double arrow Y by hand.

The labeling device 11 has a tool holder 21 in which working heads of different types can be clamped, depending on the labeling method should be carried out. There are, for example, working heads 22 for performing the electrochemical, of the pyrographic or one

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multiple color writing process can be used or labeling by means of roller balls, milling spindles, engraving spindles, Vibrator heads or the like. Conceivable.

The tool holder 21 is arranged on the movable part 27 of a first guide 26, which part 27 with the help of a first stepping motor 28 in the direction of the double arrow X along a guide rod, not shown, or the like. the first guide 26 is movable. This guide rod of the first guide 26 is through a protective bellows 29 covered. The first guide 26 is on the movable part 32 of a second Guide 31 attached. The movable part 32 is driven by a second stepping motor 33 and can be moved back and forth in the direction of the double arrow Y relative to a stationary guide part 34 of the second guide 31. The movable one Part 32 is not shown here in detail, but also by means of a protective bellows essentially covered. The two guides 26 and 31 are thus perpendicular to one another in one arranged movable on the horizontal plane. The constructive design of guides 26 and 31 including the drive can be done in any known manner.

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The stationary guide part 34 of the second guide 31 is connected according to the invention to a fastening shoe 38, the downwardly protruding T-shaped projection 39 in the T-groove 18 of the Machine stand upper part 13 can be inserted and clamped there. The attachment of the Labeling device 11 can within this T-shaped groove 18 in the upper part 13 at any Place from the rear insertion end to the front to a stop 41.

On the column part 16 of the machine stand 14 is also provided with a computer electronic, programmable labeling and movement control 42, which has an input keyboard has, held by a movable arm 43, this control 4 2 is accordingly the relevant input the first stepping motor 28 and the second stepping motor 3 and the relevant work head 22 is controlled via the tool holder 21. For labeling of a flat workpiece, for example, this is clamped onto the tool table 19, which is possibly in

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the height and depth can be adjusted relative to the working head 22.

For labeling a workpiece with a curved surface to be labeled, For example, the surface 15 of the illustrated cylindrical workpiece 12 is a clamping and synchronizing assembly 46 is provided, which consists of two relatively movable units 47 and 48 is constructed. The unit 48 consists of a rack which, in the direction of arrow B running on the workpiece table 19 is releasably attached. The unit 47 is via a boom 51 rigidly attached to the movable part 32 of the second guide 31.

The unit 47 has a chuck 52 for clamping the cylindrical workpiece 12, the chuck 52 being rotatably held on the boom 51 via a first shaft. The assignment of the clamped workpiece 12 to the work head 22 of the tool holder 21 can either over a height adjustment of the tool holder 21 or a corresponding not shown height

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Adjustment of the boom 51 take place. On the first shaft 53 is in addition to the chuck 52, a first belt pulley 54 of a belt drive 56 is arranged in a rotationally fixed manner. Coaxial to and around the first shaft 53 two parallel arms 57 are pivotably supported, the first of which Shaft 53 facing away from free ends comprise a second shaft 58, one end with a second Belt pulley 59 of belt drive 56 and at the other end connected to a drive wheel 61 in a rotationally fixed manner is, which is designed as a gear and with the above-mentioned rack 48 in meshing engagement can be brought. The two pulleys 54 and 54 connected to one another by means of a toothed belt are the same size, so that a gear ratio of 1: 1 takes place. The gear 61 is easily removable rotatably connected to the second shaft 58 and thus held interchangeably. As a result of that the gear 61 is attached to the two pivot arms 57, the gear is engaged 61 in the rack 58 under the weight of the second shaft 58, pulley 59, Arms 57 and gear 61.

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The labeling of the cylindrical surface of the workpiece 12 takes place in such a way that by moving the movable part 32 of the second guide 31 in the direction of the double arrow Y on the one hand both the working head and the workpiece 12 taken along in the same way but that on the other hand, the gear 61 on the fixed rack 48 on the workpiece table 19 rolls and thus drives the cylindrical workpiece 12 in rotation, so that a Lettering can be done along the circumference of the workpiece surface 15. The caption parallel to the axis of rotation of the cylindrical workpiece 12 is carried out by the method of movable part 27 of the first guide 26 with the working head 22 relative to the workpiece 12. The main advantage of this arrangement 46 is that it is easy to attach Adapt workpieces 12 of different diameters. With normal writing results a 1: 1 ratio between the rotation of the gear 61 and that of the workpiece 12, which means that the diameter of the workpiece 12 to be labeled is approximately equal to the diameter

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knife of the gear used 61 must be. So if a workpiece 12 with another If the diameter is inserted, the gear 61 is also replaced. There, as mentioned, the gear 61 rests on the rack 48 under the weight of the pivoting parts, results in a Engagement between gear and rack regardless of the diameter of the gear used. In addition, this pivoting position of the gear wheel 61 has in its position of engagement with the rack 48 has no effect on the position of the workpiece 12 relative to the working head 22.

3 to 6 show a variant of the embodiment of FIGS. 1 and 2, in which the device 11 'for labeling workpieces 12, not shown here, on the upper one free end of the vertical column 13 'of a machine stand 14' of a column drilling machine is fastened or attached. The column 13 'is adjustable here vertically in the Z direction.

A workpiece table 19§ is held on the machine stand 14 ″, which, as shown here, is manually operated

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adjustable X-Y coordinate table can be. It goes without saying that, for example, the machine stand a pillar drill can be used. The clamping and synchronizing device 46 of FIGS. 1 and 2 is not shown here for the sake of simplicity, although they are present and fastened accordingly can.

The device 11 'of FIGS. 4 to 6 corresponds to the device 11 of FIGS. 1 and 2 except in the following features: Not the second guide 31 ', the tool holder on the movable part 32' here 21 'is attached, but the stationary part of the first guide 26' is on the column 13 " attachable, namely by means of a slotted sleeve 35 'can be attached. According to Fig. 5 is the sleeve 35 'with the guides 26 "and 31' and thus the tool holder 21 'along an arc can be pivoted according to the double arrows A and thus either into the position of FIG. 3, in which the working head 22 'above the coordinate table 19 'is arranged, or in the opposite position of FIG. 6 pivoted by 180 °, in which

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outside of the workpiece table 19 'large workpieces can be labeled, or in any other position can be brought. In these positions, not shown Way the sleeve 35 'are clamped.

7 to 9 show an embodiment of a labeling device 11 ″, which is equipped with a its own base plate 67 is firmly connected and provided with its own workpiece table 69.

In this labeling device 11 ″ is also the tool holder 21 "provided with a working head 22" in the direction of the double arrow Z along a vertical guide 71 adjustable in height by means of a hand crank 72. There is also the tool holder 21 "attached to a movable part 73 of the guide 71, the length of a not illustrated guide part, which is covered by a protective bellows 74, is movable. In this labeling device 11 ″ is held of the tool holder 21 ″ of the workpiece table 69 in the direction of the arrows Y and X in the horizontal Level can be moved by means of stepper motors 76 and 77.

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In this embodiment, too, are the stepper motors 76, 77 and the tool holder 21 "or the working head 22? By means of a not Controllable control shown.

In this embodiment of FIGS. 7 to 9, too, there is a clamping and synchronizing arrangement 4 6 "is provided, which is designed in the same way as the arrangement in terms of its structural design 46 of the embodiment of FIGS. 1 and 2 and therefore in FIGS. 7 to 9 with the same Reference numerals is provided. The only difference between the arrangement 46 ″ and the arrangement 46 is in that the unit 47 "and also the rack 48" on different parts of the workpiece table 19 "are attached. The two parts 81 and 82 of the workpiece table 19 ″ are, as mentioned, in the horizontal plane according to the double arrows Y and X can be moved. The unit 47 ″ with the gear 61 ″ is connected to that via an arm 83 Table part 82 attached to the other

Carriage 81 moves in the direction of the double arrow X. In contrast, the rack is 48 "

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attached to that table part 81 which sits on the lower table part 82 and opposite this can be moved in the direction of the double arrow Y. This means that with the procedure of the table part 81 and thus the rack 48 "the gear 61" is rotated, which also the clamped cylindrical workpiece 12 "can rotate.

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Lee

Claims (10)

Claims 1.) Device for labeling of workpieces, receiving with a an operating head tool holder extending perpendicularly by two mutually guided in a preferably horizontal XY plane and / or in perpendicular thereto, preferably a vertical Z-direction by means of a respective stepping motor is movable, characterized characterized in that it (11, 11 ') can be fastened to the upper part (13, 13') of a machine stand (14, 14 ') of a pantograph gravior machine and / or drill. Postal check account Stuttgart 507 71 -705 (bank code 600 100 70) Dresdner Bank Stuttgart 1919 854 (bank code 600 800 00) 2. Apparatus according to claim 1, characterized in that one of the guides (26, 31) with a shoe (38) is provided in a T-shaped receiving groove (18) of the upper part of the machine stand (13) the pantograph engraving machine can be fastened. 3. Apparatus according to claim 2, characterized in that the fastening shoe (38) is fastened to the guide (26, 31) extending parallel to the receiving groove (18). 4. Apparatus according to claim 1, characterized in that it (11 ') can be fastened on the upper free end of the vertical column (13') of a column drilling machine. 5. Apparatus according to claim 4, characterized in that one of the guides (31 ', 26') is provided with a slotted receiving sleeve (35 ') which can be pivoted onto the column (13 ") and can be clamped in different angular positions. 0311 012 331635 6. Device with an arrangement for labeling workpieces with a non-planar, preferably cylindrical or conical surface, in particular according to one of the preceding claims, characterized in that the arrangement (46, 46 ") has a unit (47, 47") with one on one first shaft (53) seated chuck (52) for the workpiece (12, 12 "), which is drivingly connected to a drive wheel (61, 61") that the drive wheel (61, 61 ") on a second shaft (58) , which is pivotable about the first shaft (53) serving as a pivot axis at the same time, is held interchangeably that a straight rolling track (48, 48 ") that can be frictionally or positively connected to the drive wheel (61, 61") is provided, and that the Unit (47, 47 ") with chuck (52) and drive wheel (61, 61") on the one hand and the rolling track (48, 48 ") on the other hand are attached to parts that can move relative to one another. 7. Apparatus according to claim 6, characterized in that the drive wheel (61, 61 ") is an interchangeably held gear and the rolling track is a rack (48, 48"). 0311 012 8. Apparatus according to claim 6 or 7, characterized in that the second shaft (58) is held parallel to the first shaft (53) at one end of at least one arm (57), the other end of which around the first shaft (53) is pivotable. 9. Device according to one of claims 6 to 8, characterized in that the first and second shaft (53, 58) are connected to one another via a gear (56), preferably a toothed belt drive. 10. Device according to one of the preceding claims, characterized in that the unit (47) is attached to the guide (31), relative to which the tool is movable, and that the roll-off track (48) is held on the machine table. . Device with a machine table which can be moved in the XY plane, according to one of Claims 6 to 9, characterized in that the input 0311 012 331635! hext (47 ') on a part and the runway (48 ') is attached to the vertically movable part of the machine table (69). - End of claims - 0311