Machine tool including chip conveyor

Patent metadata

Field	Value
Publication number	US-10005162-B2
Application number	US-201514712220-A
Country	US
Kind code	B2
Filing date	May 14, 2015
Priority date	May 21, 2014
Publication date	Jun 26, 2018
Grant date	Jun 26, 2018

Abstract

A chip conveyor which discharges chips produced by a machine tool from the inside of a splash guard is provided inside the splash guard that prevents the chips from being scattered. A chip carrying unit of the chip conveyor is attached to the splash guard so as to be movable with respect to the splash guard in the up and down direction. Accordingly, even when the chips are stuck between the chip carrying unit and the splash guard, the chip carrying unit automatically moves, and hence the chip stuck state may be resolved.

First claim

The invention claimed is:

1. A machine tool including a chip conveyor, comprising:
a splash guard which prevents chips produced by the machine tool from being scattered,
wherein the chip conveyor is provided inside the splash guard and discharges the chips from the inside of the splash guard,
wherein the chip conveyor includes
a support block which is fixed to the inside of the splash guard and includes a through hole formed in the longitudinal direction,
a guide shaft which is inserted into the through hole of the support block,
a fixed block which is fixed to one end of the guide shaft, and
a chip carrying unit which is fixed to the fixed block and carries the chips,
wherein the guide shaft is movably attached to the support block, and

wherein a gap is formed between a lower surface of the support block and an upper surface of the fixed block so that the chip carrying unit is movable in the longitudinal direction with respect to the splash guard.

2. The machine tool according to claim 1 ,
wherein a tapered surface is provided at the end of the guide shaft opposite to the end to which the fixed block is fixed, and
wherein a corresponding tapered surface is provided in a peripheral region of the through hole of the support block that corresponds to the tapered surface of the guide shaft.

3. The machine tool according to claim 1 ,
wherein a curved surface is provided at the end of the guide shaft opposite to the end to which the fixed block is fixed, and
wherein a corresponding curved surface is provided in a peripheral region of the through hole of the support block that corresponds to the curved surface of the guide shaft.

4. The machine tool according to claim 1 , wherein a length of a shaft portion of the guide shaft is greater than a height of the support block.

Assignees

• Fanuc Corp

Inventors

• Ishihara Mitsuyoshi

Classifications

• B23Q11/08

  Protective coverings for parts of machine tools; Splash guards · CPC title

• B65G33/32

  Adaptations of bearings or couplings for supporting and connecting screws (B65G33/16 takes precedence) · CPC title

• B23Q11/0057 Primary

  outside the working area · CPC title

• B65G33/04

  conveyed between a single screw and guiding means · CPC title

• Y10T409/30392

  with means to protect operative or machine [e.g., guard, safety device, etc.] · CPC title