Cooling jacket and quenching apparatus

Patent metadata

Field	Value
Publication number	US-12116644-B2
Application number	US-202217708078-A
Country	US
Kind code	B2
Filing date	Mar 30, 2022
Priority date	Mar 31, 2021
Publication date	Oct 15, 2024
Grant date	Oct 15, 2024

Abstract

A cooling jacket includes a coolant supply member that circulates a coolant, and a coolant injection member to which the coolant is supplied from the coolant supply member, the coolant injection member provided with multiple injection holes through which the coolant is injected. The coolant injection surface of the coolant injection member opposing the workpiece has an upper region, a central region, and a lower region arranged along a vertical direction. An area of each injection hole provided in the central region is larger than an area of each injection hole provided in the upper region and an area of each injection hole provided in the lower region. The coolant injection member moves relative to a workpiece in a horizontal direction. A densest direction in which the multiple injection holes are arranged at the shortest intervals is inclined with respect to both the horizontal direction and the vertical direction.

First claim

What is claimed is:

1. A cooling jacket comprising:
a coolant supply member that is a disk shape and circulates a coolant; and
a coolant injection member to which the coolant is supplied from the coolant supply member, the coolant injection member attached to an outer peripheral surface of the coolant supply member and provided with a plurality of injection holes through which the coolant is injected, the coolant injection member being a ring shape, wherein
a surface of the coolant injection member opposing a workpiece has an upper region, a central region, and a lower region arranged along a vertical direction,
an area of each of the injection holes provided in the central region is larger than an area of each of the injection holes provided in the upper region and an area of each of the injection holes provided in the lower region,
the coolant injection member moves relative to the workpiece in a horizontal direction, and
a densest direction in which the plurality of injection holes are arranged at shortest intervals is inclined with respect to both the horizontal direction and the vertical direction.

2. The cooling jacket according to claim 1 , wherein a length of the central region in the vertical direction is longer than a length of the upper region in the vertical direction and a length of the lower region in the vertical direction.

3. The cooling jacket according to claim 1 , further comprising a plate member disposed below a gap between the coolant injection member and the workpiece.

4. The cooling jacket according to claim 1 , wherein
the workpiece has an annular shape, and
the coolant injection member opposes an inner surface of the workpiece.

5. The cooling jacket according to claim 1 , wherein
the coolant supply member comprises two pieces of disk-shaped plates,
a coolant circulation route in which the coolant circulates is formed between the two pieces of disk-shaped plates, and
the coolant injection member connects the two pieces of disk-shaped plates in the vertical direction.

Assignees

• Neturen Co Ltd

Inventors

• Yoshida Hiroshi
• Horino Takashi
• Yasutake Hidehiro

Classifications

• C21D9/32

  for gear wheels, worm wheels, or the like · CPC title

• C21D1/10

  by electric induction · CPC title

• C21D11/005

  for cooling · CPC title

• C21D9/0062

  Heat-treating apparatus with a cooling or quenching zone · CPC title

• C21D1/667 Primary

  for spray quenching · CPC title