Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Device and method for realizing surface densification of powder metallurgy sintered material by rolling

A sintered material and powder metallurgy technology, applied in the field of powder metallurgy sintered material surface densification device, can solve the problems of restricting the application of powder metallurgy parts, affecting the performance of parts, and expensive production equipment, etc., to achieve simple structure, prolong service life, The effect of low processing cost

Active Publication Date: 2016-09-21
GUANGDONG YUEHAI HUAJIN TECH CO LTD
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the density of traditional sintered powder metallurgy parts is generally not higher than 7.2g / cm 3 , the surface layer contains a large number of pores, which affects the performance of the part
With the development of powder metallurgy technology, many methods to increase the density of powder metallurgy materials have been proposed, such as powder forging, high-speed pressing, warm pressing technology, etc., but these technologies have expensive production equipment and high production costs, which limit the application of powder metallurgy parts

Method used

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
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Device and method for realizing surface densification of powder metallurgy sintered material by rolling
  • Device and method for realizing surface densification of powder metallurgy sintered material by rolling
  • Device and method for realizing surface densification of powder metallurgy sintered material by rolling

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as Figure 1-9 As shown, a device for achieving surface densification of powder metallurgy sintered materials by rolling includes a working platform 31, a power assembly, a rotating chuck 32, a driven chuck 33 and a rolling assembly, and the working platform 31 is provided with The guide rail 35, the rotating chuck 32 and the driven chuck 33 are arranged on the working platform 31, the power assembly is connected with the rotating chuck 32, and the rolling assembly is arranged between the rotating chuck 32 and the driven chuck 33, so The rolling assembly includes a sliding plate 36 connected to the guide rail 35 and a rolling mechanism 34 arranged on the sliding plate 36 . The guide rail 35 is provided with a tailstock 37, and the tailstock 37 has a locking member. The driven chuck 33 is arranged on the tailstock 37 and is opposite to the rotating chuck 32. The driven chuck 33 includes an outer cylinder 44 and the drill chuck 43, bearings 45 are arranged front and...

Embodiment 2

[0033] Such as Figure 1-5 As shown, the rolling mechanism 34 includes a rolling head 1, a pressure head connecting rod 2, an inner sleeve 3, a front sleeve 4, a pressure sensor 5, a rear sleeve 6, a first piston 7, a second piston 8, The third piston 9, the rigid connecting pipe 10 and the rear end cover 11, the rolling head 1 is connected to the pressure head connecting rod 2, the pressure head connecting rod 2 is locked in the inner sleeve 3, and the front sleeve 4 is sleeved inside Outside the sleeve 3, the pressure sensor 5 is connected to the rear of the pressure head connecting rod 2, the rear sleeve 6 is fixedly connected to the front sleeve 4, the rear end cover 11 is fixedly connected to the rear end of the rear sleeve 6, and the first piston 7 is set In the front sleeve 4 and one side is fixedly connected with the inner sleeve 3 and / or the pressure head connecting rod 2, the second piston 8 and the third piston 9 are arranged in the rear sleeve 6, and the other side...

Embodiment 3

[0041] A method for realizing surface densification of powder metallurgy sintered materials, using the above-mentioned device for realizing surface densification of powder metallurgy sintered materials by rolling to perform rolling, and two rolling mechanisms are opposite to each other to perform rolling on the surface of powder metallurgy sintered materials .

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

PUM

PropertyMeasurementUnit
densityaaaaaaaaaa
Login to View More

Abstract

The invention discloses a device for achieving powder metallurgy sintering material surface compacting through rolling. The device comprises a work platform, a power assembly, a rotating chuck, a driven chuck and a rolling assembly, wherein the work platform is provided with a guide rail, the rotating chuck and the driven chuck are arranged on the work platform, the power assembly is connected with the rotating chuck, and the rolling assembly is arranged between the rotating chuck and the driven chuck and comprises a sliding plate connected to the guide rail and a rolling mechanism arranged on the sliding plate. The invention further discloses a method for achieving powder metallurgy sintering material surface compacting through rolling. According to the device and method, the two ends of a rolling material are clamped, the phenomena that the rolling material shakes and is stressed to be bent in the rolling machining process are effectively reduced, a good compacting effect can be achieved on the surface of a powder metallurgy material, the performance of the material is obviously improved, the rolling assembly can move transversely, and the device and the method can be used for machining a long shaft in a rolling mode.

Description

technical field [0001] The invention relates to a device and method for surface densification of powder metallurgy sintered materials, in particular to a device and method for realizing surface densification of powder metallurgy sintered materials by rolling. Background technique [0002] The production process of traditional powder metallurgy parts is sintering after powder pressing. However, the density of traditional sintered powder metallurgy parts is generally not higher than 7.2g / cm 3 , the surface layer contains a large number of pores, which affects the performance of the parts. With the development of powder metallurgy technology, many methods to increase the density of powder metallurgy materials have been proposed, such as powder forging, high-speed pressing, warm pressing technology, etc., but these technologies have expensive production equipment and high production costs, which limit the application of powder metallurgy parts. Contents of the invention [0...

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

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/24C21D7/04C22F1/00
Inventor 肖志瑜刘潇关航健陆宇衡张文
Owner GUANGDONG YUEHAI HUAJIN TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com