A 3D printing closed impeller abrasive flow finishing device

A closed impeller and processing device technology, which is applied in metal processing equipment, grinding workpiece support, grinding/polishing equipment, etc., can solve the problems of low production efficiency, harsh working environment, and poor consistency of processing quality, so as to prevent downturn Round, to avoid the effect of uneven processing
CN108326725BActive Publication Date: 2020-05-08XIAN SPACE ENGINE CO LTD
6 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XIAN SPACE ENGINE CO LTD
Publication Date
2020-05-08

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a 3D printing closed impeller abrasive flow finishing device, which comprises an upper deflector, a protective sleeve, an inner ring, a lower deflector and a closed impeller. There are several raised fan-shaped channels on the outside of the table, the inner ring is L-shaped rotary body, placed on the inner edge of the raised fan-shaped channel, the protective cover is a hollow rotary structure, placed on the outer edge of the raised fan-shaped channel, and the upper guide The flow plate is placed on the protective cover, and a stepped hole is opened in the center of the closed impeller. The through hole under the closed impeller matches the boss of the lower deflector, the lower edge of the closed impeller cooperates with the lower deflector, and the closed impeller lower The cover plate and the inner ring cooperate with each other, the upper abrasive channel of the closed impeller cooperates with the step hole of the upper deflector, the pistons of the upper abrasive cylinder and the lower abrasive cylinder reciprocate synchronously up and down, and push the abrasive to flow between the blades of the closed impeller and between the blades. for abrasive flow machining.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to a 3D printing closed impeller abrasive flow finishing device, which is used for finishing the surfaces of closed impeller blades and flow channels, and belongs to the field of surface finishing of 3D printing metal parts. Background technique

[0002] The closed impeller is a key part of the liquid rocket engine turbo pump, and its surface quality directly affects the head and efficiency of the turbo pump. The reduction of the surface roughness of the inner cavity flow channel helps to increase the head of the turbo pump and reduce the pressure of the turbo pump. Speed, improve the reliability of the engine work.

[0003] 3D printing is an emerging technical field of overall parts and rapid prototyping, and the surface quality of formed metal parts cannot meet the requirements for direct use. At present, the surface finishing methods of parts are mainly manual grinding, sand blowing and shot blasting, which are not only labor-...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More