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Shot peening apparatus

A shot peening device and shot peening technology, which are applied to used abrasive processing devices, abrasive jetting machine tools, abrasives, etc., can solve the problems of large-scale shot peening devices, low accuracy, and low projection efficiency.

Inactive Publication Date: 2014-10-15
CHUO SPRING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the coil spring is shot peened, there is a problem that the projection efficiency (i.e., the accuracy rate at which the shot blasting particles are projected onto the spring wire) is low due to gaps formed between the wire rods of the coil spring
Inefficient projection leads to upsizing of blasting equipment used to blast coil springs

Method used

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Examples

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Embodiment Construction

[0020] The above-mentioned transmission device may have: a first gear disposed on the side of the supply port; a second gear disposed on the side of the discharge port; a drive source that drives at least one of the first gear and the second gear to rotate; The chain is installed between the first gear and the second gear; the engaging member is detachably mounted on the conveying chain and can be engaged with the coil spring. The conveying chain can have a plurality of mounting positions for the engaging parts to be installed on the conveying chain in a detachable manner. By forming the mounting positions where the engaging parts are not installed between adjacent engaging parts, the relative position can be changed. The distance between one end of one of the adjacent coil springs and one end of the other coil spring. When such a structure is adopted, the distance between the adjacent coil springs can be easily adjusted by adjusting the mounting position for mounting the enga...

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Abstract

A shot peening apparatus (10) is equipped with: a supply port to which coiled springs are supplied; a projection chamber in which shot particles are projected onto the coiled springs; a housing having an outlet where the coiled springs onto which shot particles have been projected are extracted; a conveying device for conveying, to the outlet via the projection chamber, the coiled springs supplied to the supply port; and a projection device for projecting shot particles onto the coiled springs conveyed into the projection chamber by the conveying device. The conveying device conveys the coiled springs such that the longitudinal axes of the coiled springs correspond to the direction in which the coiled springs are conveyed, makes it possible to convey a plurality of coiled springs in succession with a gap therebetween in the conveying direction, and makes it possible to alter the space between neighbouring ends of neighbouring coiled springs.

Description

technical field [0001] The technology disclosed in this specification relates to a shot blasting device. Background technique [0002] In order to improve the mechanical properties of the workpiece (for example, fatigue strength, etc.), the surface of the workpiece is sometimes subjected to shot blasting. An example of a conventional blasting device is disclosed in Japanese Patent Laid-Open Publication No. 2007-196338. [0003] When the coil spring is shot peened, there is a problem that projection efficiency (that is, the rate at which shot grains are projected onto the spring wires) is low because gaps are formed between the wires of the coil spring. The low projection efficiency leads to an increase in the size of the blasting equipment used to blast the coil spring. Contents of the invention [0004] In view of the above circumstances, an object of this description is to disclose a shot blasting device capable of effectively blasting a coil spring. [0005] The shot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24C1/10B24C3/14B24C9/00
CPCB24C1/10B24C3/14
Inventor 平田雄一
Owner CHUO SPRING
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