DE29615933U1 - Control device for a hand machine - Google Patents

Description

Control device for a hand machine

The invention relates to a control device for a hand-held machine according to the type of the main claim. Such a control device is known.

With such known control devices, drilling depth stops that are suitable for drilling machines are used, for example, to determine the depth of the holes to be drilled in advance and, if necessary, to be able to make several holes at the same depth. However, external aids must also be used to create horizontal holes in walls, vertical holes in ceilings or floors, vertical and horizontal slots for laying cables under plaster in walls, or vertical or horizontal millings. Spirit levels (vials) and plumb lines are known as external aids. Such known control devices are bulky, cumbersome and/or difficult to recognize.

The invention is based on the object of avoiding these disadvantages and of creating a control device of the type mentioned at the beginning, which is very space-saving and handy and which enables the correct position of the hand-held machine to be recognized in detail.

This object is achieved according to the invention by the characterizing features of the main claim. Advantageous further developments of the subject matter of claim 1 emerge from the features of the subclaims.

For example, according to the feature of claim 2, it is advantageous that the gravity sensor can be equipped with electronic means in the form of a microchip, particularly because modern hand-held machines are already equipped with electronics. Such a chip can, for example, receive and process gravity signals determined via the center of the earth or - like geodetic satellites - an orientation pointing to the center of the earth.

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In a further development of this idea, according to the features of claims 3 and 4, the correct position of the hand-held machine can be indicated with illuminated signs or light strips by means of light-emitting diodes, which, for example, show "green" for well aligned, "orange" for incorrect and "red" for completely incorrect. In this context, it is also conceivable to indicate the correct position of the hand-held machine by means of acoustic signals.

drawing

Several embodiments of the invention are shown in the drawing and explained in more detail in the following description. They show:

Fig. 1 a drilling machine with a micro-chip for receiving earth-center-bound signals and

Fig. 2 a drill with micro-chip and with a spirit level and with a light strip - display.

Description of the embodiments

A processing machine 1 designed as an electric hand drill has a machine body 2 made of cast iron, an electric motor (not shown in detail) and a gear (also not shown). The motor and gear drive a drill chuck into which any tool such as a drill, milling cutter, countersink or grinder can be clamped. A gravitational sensor 3 is provided on the machine body 2 of the processing machine 1, which is built into a chip 4 that is connected to the machine electronics. The gravitational sensor 3 senses the position of the center of gravity or the center of gravity of the earth, either with a type of electronic plumbing device or like a geodetic satellite that is always at the same point above the earth and is aligned with the center of the earth.

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Three LEDs 5 are connected to the chip 4, which are designed in the colors "green, orange, and red". Finally, a mechanical plumbing device 6, possibly plumb and vertical, can also be provided on the machine body 2, which can be designed as a spirit level, a pendulum or a plumb line. The gravity sensor 3 can be switched to vertical or horizontal using a switch 12.

Fig. 2 shows a processing machine 7 with a machine body 8 and with a gravity sensor 9 on a chip 10. The gravity sensor 9 works just like the one in Fig. 1, i.e. it receives gravity signals and passes them on to the chip 10 for processing.

However, a mechanical plumbing device 6 is not used here. A light strip 11 is connected to the chip 10, which is designed in the colors "green, orange and red". This processing machine 7 also has a switch 12 for switching the gravity sensor 9 to the vertical or horizontal position of the processing machine 7.

How it works

To produce a hole, a milling, a countersink or a grinding, the switch 12 is set to horizontal or vertical depending on the intended working position of the processing machine 1, 7. The gravity sensor 3, 9 senses the vertical and the chip 4, 10 calculates whether the vertical or horizontal is maintained and switches the LEDs 5 or the light strip 11 to the corresponding colors. If it is green, the vertical or horizontal is correctly maintained. If it is red or orange, the position of the processing machine 1, 7 is not correct and adjustment is required by changing the position of the processing machine 1, 7.

List of reference symbols

1 processing machine

2 Machine body

3 Gravity sensor

4 electronic means (chip)

5 LEDs

6 mechanical soldering device

7 Processing machine

8 Machine body

9 Gravity sensor

10 electronic means (chip)

11 Light strip

12 switches

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Claims (6)

Expectations 1. Control device for a hand-held machine, in particular for a processing machine for free-hand production of vertical or horizontal bores, millings, countersinks, screwings or grindings, characterized in that a gravitational sensor (3,9) is provided on the machine body (2,8) of the processing machine (1, 7), with which, depending on the position of the work station, a vertical and/or horizontal alignment of the processing machine (1, 7) can be constantly monitored and, if necessary, readjusted even during work. 2. Control device according to claim 1, characterized in that the gravitational sensor (3,9) is equipped with electronic means (chip 4,10) to receive and process gravitational signals determined via the center of the earth, and that the respective orientation of the processing machine (1,7) can be displayed via light or luminous or acoustic signals. 3. Control device according to claim 2, characterized in that the light signals can be displayed in color via light-emitting diodes (5). 4. Control device according to claim 2 or 3, characterized in that the light signals can be displayed in color via a light strip (11). 5. Control device according to one of claims 2-4, characterized in that the electronic means (chip 4) are also equipped to receive and use signals from a mechanical plumbing device (6) (pendulum, plumb line, bubble level). 6. Control device according to one of claims 1 - 5, characterized in that the gravitational sensor (3, 9) is connected via the chip (4, 10) to a switch (12) with which the control device can be switched from vertical to horizontal and vice versa.