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Powder-scraping device of automatic cold-pressing and forming machine of saw blades

A cold forming and automatic technology, which is applied in the mechanical field, can solve the problems that the quality consistency of batch products cannot be guaranteed, and achieve the effect of scraping and cleaning evenly

Inactive Publication Date: 2010-11-03
DANYANG JIXING HYDRAULIC MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The head of the saw blade is usually made by cold pressing and then sintering. During cold pressing, the alloy powder is added to the mold and needs to be evenly spread. Currently, the alloy powder is added manually, and the powder is scraped by hand. The skill or technicality of the powder is very strong, and even skilled workers will have certain deviations, which cannot guarantee the consistency of batch product quality, and uneven powder scraping will also cause defective products

Method used

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  • Powder-scraping device of automatic cold-pressing and forming machine of saw blades
  • Powder-scraping device of automatic cold-pressing and forming machine of saw blades
  • Powder-scraping device of automatic cold-pressing and forming machine of saw blades

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Experimental program
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Effect test

Embodiment 1

[0011] Such as figure 1 As shown, the powder scraping device of a saw blade automatic cold press forming machine of the present invention, its main structural components include a handle 1, a fixed plate 2, a screw rod 3, a mandrel 4, a fixed volume 5, an action spring 6, and a shaft sleeve 7. Balance spring 8, movable bracket 9, connecting plate 10 and scraper 11, scraper 11 is fixed below connecting plate 10, connecting plate 10 is fixed under movable bracket 9, movable bracket 9 is connected with shaft sleeve 7 through connector 12, shaft The sleeve 7 is provided with a spring hole 13, the balance spring 8 is installed in the spring hole 13, the shaft sleeve 7 has a mandrel 4, the mandrel 4 has a screw rod 3 and an action spring 6, and the action spring 6 is located below the screw mandrel 3. The upper end of mandrel 4 is fixed on the fixed plate 2, the outside of the mandrel 4 middle part is limited by the fixed roll 5, the axle sleeve 7 is threaded with the fixed roll 5, ...

Embodiment 2

[0014] The same as the powder scraping device of a saw blade automatic cold press forming machine in Embodiment 1, the difference is that: figure 2 As shown, the geometric angle of the scraper is designed such that the blade angle α is 120° (it can also be 90, 100, 110, 130, 140 or 150°), and the knife relief angle β is 30° (it can also be 10, 20, 40 , 50 or 60°).

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PUM

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Abstract

The invention relates to a powder-scraping device of an automatic cold-pressing and forming machine of saw blades, comprising a handle, a fixed plate, a lead screw, a mandrel, a default volume, an action spring, a shaft bushing, a balance spring, a movable bracket, a connecting plate and a scraper. The scraper is fixed blow the connecting plate which is fixed below the movable bracket, the shaft bushing is connected with he movable bracket through a connecting piece and provided with a spring hole in which the balance spring is mounted, the mandrel is mounted in the shaft bushing and internally provided with the lead screw and the action spring which is arranged below the lead screw, the upper end of the mandrel is fixed on the fixed plate, the outer middle of the mandrel is limited by the default volume which is in threaded connection with the shaft bushing, and the lead screw penetrates through the fixed plate and is connected with the handle. The invention has the advantages that the ideal powder-scraping effect is achieved because the geometrical angle design of a cutter play a role of expelling powder and pressing powder into jugged notches of a saw blade die and can evenly clean and scrape the powder; and the scraper can be tightly attached to the die and compact and press the powder flat through the action spring and the balance spring.

Description

technical field [0001] The invention relates to a mechanical processing tool, in particular to a powder scraping device of a saw blade automatic cold press forming machine, and belongs to the field of mechanical technology. Background technique [0002] The head of the saw blade is usually made by cold pressing and then sintering. During cold pressing, the alloy powder is added to the mold and needs to be evenly spread. Currently, the alloy powder is added manually, and the powder is scraped by hand. The skill or technicality of powdering is very strong, even skilled workers will have certain deviations, and the consistency of batch product quality cannot be guaranteed, and uneven powder scraping will also cause defective products. Contents of the invention [0003] The object of the present invention is to address the above-mentioned shortcomings and provide a powder scraping device for an automatic saw blade cold press forming machine, which can realize automatic powder ...

Claims

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Application Information

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IPC IPC(8): B22F3/03B22F5/08
Inventor 王志华
Owner DANYANG JIXING HYDRAULIC MACHINERY