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Tool receptacle for a screw-in tool

A tool holder and cutting tool technology, which is applied in the direction of milling cutter, manufacturing tool, tool workpiece connection, etc., can solve the problems of undesired tension tool rotation, error, and deterioration of rotation characteristics, so as to avoid damage to the thread and reduce the rotation accuracy. Effect

Active Publication Date: 2015-02-11
FRANZ HAIMER MASCHINENBAU KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This misalignment can lead to undesired tension and thus tool swivel errors when clamping
In addition to poor slewing characteristics, eccentric loads lead to thread damage
This is especially important for screw-in tools, which are usually made of hard metal or other hard materials, since unbalanced loads in such screw-in tools can lead to relatively rapid damage

Method used

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  • Tool receptacle for a screw-in tool
  • Tool receptacle for a screw-in tool
  • Tool receptacle for a screw-in tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] exist figure 1 with 3 Two exemplary embodiments of a tool device with a screw-in tool 1 and an associated tool holder 2 are shown in longitudinal section. The screw-in tool 1 has, for example, a tool head 3 designed as a milling cutter, a conically tapered tool shank 4 and a cylindrical fastening pin 5 with a thread 6 here designed as an external thread. .

[0020] Between the tool head 3 and the fastening pin 5 there is a bearing region which has a first conical contact surface 7 for a corresponding first conical bearing surface 8 of the tool holder 2 and inside the tool holder 2 for The second conical contact surface 9 of the second conical bearing surface 10 . The support and guidance of the screw-in tool 1 within the tool holder 2 is thus achieved by means of a double cone, which serves to improve centering and increase the bearing effect.

[0021] On its outer side, the tool head 3 has a plurality of spanner faces 11 distributed in the circumferential direction...

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PUM

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Abstract

A tool receptacle (2) for a screw-in tool (1) having a main body (13), which has a receiving region (14) including at least one conical contact surface (10) for supporting a corresponding conical support surface (9) of the screw-in tool (1). For thread-protection and for tightening with high concentricity and low production outlay, an insert (15) is disposed in the main body (13), said insert being movable transversely with respect to the longitudinal axis (17) of the main body (13) and being rotationally-fixed with respect to the main body (13) and having a mating thread (16) for a thread (6) on the screw-in tool (1).

Description

technical field [0001] The invention relates to a tool holder / holder for a screw-in tool and a tool arrangement with a screw-in tool and such a tool holder. Background technique [0002] Tool holders intended for screw-in tools are known, in which the generally cylindrical base body comprises a receiving bore with a conical inner bearing surface for a correspondingly conical outer contact surface of the screw-in tool. An internal thread is usually provided in the basic body for engagement with a corresponding external thread on the screw-in tool. Since no radial compensation can be achieved between the external thread on the screw-in tool and the corresponding internal thread on the tool holder after centering via the conical bearing or contact surface, the tool holder and the corresponding tool holder must be machined extremely precisely Screw-in tools for avoiding axial misalignment between external and internal threads. This misalignment can lead to undesired tensions a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B31/11
CPCB23B31/1122B23C2210/03B23C5/10B23C2210/02Y10T279/17931B23B31/1107B23B2240/00B23B2265/08
Inventor F·海莫
Owner FRANZ HAIMER MASCHINENBAU KG
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