Arrangement for grinding edged tools
AssigneeTormek AB
InventorHåkan Persson
Life of this patent
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Abstract
An arrangement (50) for grinding edged tools, such as knives, said arrangement (50) configured to be part of a grinding machine (100), comprising a conical grinding wheel (110) arranged to be rotated in a rotational direction (R) and having an envelope grinding surface (111) for an edged tool (10), and a grinding jig (120) for holding an edged tool (10), wherein the grinding jig (120), in use, is arranged such that the edged tool (10) extends over the envelope grinding surface (111) perpendicular to the rotational direction (R).
Claims18
An arrangement for grinding an edged tool, the arrangement being configured to be part of a grinding machine and comprising:
- a conical grinding wheel arranged to be rotated in a rotational direction and having an envelope grinding surface for the edged tool;
- a grinding jig for holding the edged tool, wherein the grinding jig, in use, is arranged such that the edged tool extends over the envelope grinding surface perpendicular to the rotational direction;
- and
- a support for holding the grinding jig, the support comprising either:
- i) a first support arm which extends at a side of the grinding wheel and a second support arm which extends from the first support arm parallel to the envelope grinding surface of the grinding wheel, wherein the grinding jig is supported on the second support arm, wherein the first support arm is attached to a housing of the grinding machine and extends at the side of the grinding wheel, and wherein the first support arm extends away from the housing in a direction parallel to or coinciding with an axis of the output shaft of the grinding machine, or
- ii) a support structure which extends at the side of the grinding wheel, and a support arm which extends from the support structure parallel to the envelope grinding surface of the grinding wheel, wherein the grinding jig is supported on the support arm, wherein the support structure extends from the base of the housing at the side of the grinding wheel, and wherein the support structure extends away from the housing in a direction parallel to or coinciding with the axis of the output shaft of the grinding machine.
A grinding machine for grinding an edged tool, the grinding machine comprising:
- a housing with a base for supporting the grinding machine on a surface;
- a motor;
- and
- an arrangement comprising:
- a conical grinding wheel arranged to be rotated by the motor in a rotational direction and having an envelope grinding surface for the edged tool;
- a grinding jig for holding the edged tool, wherein the grinding jig, in use, is arranged such that the edged tool extends over the envelope grinding surface perpendicular to the rotational direction;
- and
- a support for holding the grinding jig, the support comprising either:
- i) a first support arm which extends at a side of the grinding wheel and a second support arm which extends from the first support arm parallel to the envelope grinding surface of the grinding wheel, wherein the grinding jig is supported on the second support arm, wherein the first support arm is attached to the housing and extends at the side of the grinding wheel wherein the first support arm extends away from the housing in a direction parallel to or coinciding with an axis of an output shaft of the grinding machine, or
- ii) a support structure which extends at the side of the grinding wheel, and a support arm which extends from the support structure parallel to the envelope grinding surface of the grinding wheel, wherein the grinding jig is supported on the support arm, wherein the support structure extends from the base of the housing at the side of the grinding wheel wherein the support structure extends away from the housing in a direction parallel to or coinciding with the axis of the output shaft of the grinding machine.
Dependencies are inferred from the claim text.