DE10230255B4 - lathe tool - Google Patents

Abstract

Turning tool to cutting machining of workpieces (1) made of organic materials, in particular of wood, brass, cast or Plastics, comprising a holder (2) and a cutting plate fixed thereto (3) with a cutting edge (4), characterized in that on the from the workpiece opposite side of the cutting edge (4) one of the cutting edge (4) facing the suction port (5) a Spanabsaugkanals (6) is provided and that the Spanabsaugkanal (6) the holder (2) in the longitudinal direction penetrates.

Description

The The invention relates to a lathe tool for cutting machining of workpieces from organic materials, in particular from wood, brass, cast iron or plastics, comprising a holder and a cutting plate fixed thereto with a cutting edge.

State of technology

One such turning tools is known. The at its intended use on the cutting plate running chips form a coherent one Band, through the machining process continuously in one direction bent and thus corkscrew-like wound. The chips will be therefore often referred to as rotary curls. They increase with increasing fineness of the chip cross section a considerable volume, resulting in an accumulation in the area the cutting edge the accessibility and visibility of the cutting process and especially in Automatic lathes for malfunctions to lead can.

From the DE 42 20 052 A1 is a device for suction on a processing machine in the region of a workpiece resulting machining residues known. The device comprises a casing enclosing the tool which delimits a suction space. The device is open on the side facing the workpiece and closed on the side facing away from the workpiece. The processing residues are removed via a separately produced, tubular suction line, which projects into the suction space.

From the DE 196 12 194 A1 a drilling tool for machine tools is known, comprising a tool head with at least one chip groove formed in the shaft surface and a sleeve which engages over the chip groove to form a closed chip channel. Within the tool head is a supply channel for loading the tool head with cooling lubricant or compressed air.

presentation the invention

Of the Invention is the object of a turning tool to develop the aforementioned type such that the turning tool on particularly simple and efficient way to produce.

These Task is according to the invention in a lathe tool of the type mentioned by the characterizing features of Claim 1 solved. In advantageous embodiments, the dependent claims relate.

at it is the turning tool according to the invention provided that on the side facing away from the workpiece side of the cutting edge one of the cutting edge facing suction of Spanabsaugkanals provided is and that the Spanabsaugkanal penetrates the holder in the longitudinal direction.

The while the intended use by the cutting of the workpiece separated chips at most of them are an overlapping band of elongated shape trades, thereby entering into the suction the Spanabsaugkanals in which it detects a latent fluid flow, stretched and led away from the cutting zone. This is going through the corkscrew-like ones Shape of the chips favored. This makes it possible the chips at a local separately from the cutting zone, e.g. to reduce the chip volume. This can, for example, by Shredding or done by a pressing process. In the actual Cutting zone can no longer be used for cumulation of chip flakes come. The cutting process is therefore very well visible and very easy to control. Automated workpiece changes are easier than previously feasible. Characterized in that the Spanabsaugkanal penetrates the holder in the longitudinal direction, manages the chip removal insofar as optimal, as no disturbing intervening in the workspace Built-ins are required. At the same time it succeeds better than with other methods, possibly resulting curls in the form of elongated bands to convict.

Of the Holder can be made tubular for simplified production of Spanabsaugkanals. Corresponding blanks are available at low cost. For the production of the holder From such blanks, it is only necessary, the side wall in a portion of the front end to remove that for the blade required To gain space.

To an advantageous embodiment, it is provided that the Spanabsaugkanal and a motor-driven suction device flow-conducting connected to each other. The suction device can by a radial fan is formed be.

The Spanabsaugkanal and the suction device may be connected by a hose. With an appropriate training, the turning tool can be stored relatively movable, which is indispensable for many machining operations, and yet achieve that collect the chips in a central location. In addition, in such a design, the great advantage that the suction device separated from the spatial arrangement set up the turning tool and optionally provided with a further processing device for the chips. It may also be possible to connect a plurality of turning tools of the type according to the invention to a single suction device.

The Cutting insert is generally made of carbide. She lets herself through a soldering or connect clamp connection with the holder.

Brief description of the drawing.

An exemplary embodiment of the turning tool according to the invention is shown in the drawing in perspective view. It is explained in more detail below:
The turning tool reproduced in the drawing is used for the cutting machining of workpieces 1 from organic materials, in particular from wood or plastics, and comprises a holder 2 and a cutting plate attached to it 3 with a cutting edge 4 , being on the of the workpiece 1 opposite side of the cutting edge 4 , one of the cutting edge 4 facing suction port 5 a Spanaugsaugkanals 6 is provided. The holder 2 is formed by a pipe. The enclosed Spanabsaugkanal 6 is closed at the front end by a wall and laterally open in a partial region of the wall to the suction port 5 and space for a tungsten carbide insert 3 to build. This is in a shape and size corresponding recess of the holder 2 used and by brazing with the steel holder 2 connected. The Spanabsaugkanal 6 is at the rear end through a hose 8th with a motor-driven suction device 7 connected, which is formed by a radial fan. During the intended use is thus immediately behind the cutting edge 4 the cutting plate 3 a latent in the intake 5 Directional air flow present, by means of the cutting edge 4 from the workpiece 1 Separated chips are continuously detected and led away from the cutting zone.

In the embodiment shown, the cutting process is effected by the workpiece 1 set in a rotational movement and continuously at the cutting edge 4 is passed. This can be in a continuous, parallel to the axis of rotation of the workpiece feed movement. An analogous use in relation to the machining of flat workpiece surfaces, over which the cutting edge 4 is moved in a straight line, is also possible. Usually, the tools used there are also referred to as turning tools.

Claims (4)

Turning tool for cutting workpieces ( 1 ) of organic materials, in particular wood, brass, cast iron or plastics, comprising a holder ( 2 ) and an attached cutting plate ( 3 ) with a cutting edge ( 4 ), characterized in that on the side facing away from the workpiece side of the cutting edge ( 4 ) one of the cutting edge ( 4 ) facing intake opening ( 5 ) of a Spanabsaugkanals ( 6 ) is provided and that the Spanabsaugkanal ( 6 ) the holder ( 2 ) penetrates longitudinally. Turning tool according to claim 1, characterized in that the holder ( 2 ) for forming the Spanabsaugkanals ( 6 ) is tubular. Turning tool according to claim 1 or 2, characterized in that the Spanabsaugkanal ( 6 ) and a motor-driven suction device ( 7 ) is conductively connected. Turning tool according to one of claims 1 to 3, characterized in that the Spanabsaugkanal ( 6 ) and the suction device ( 7 ) through a hose ( 8th ) are connected.