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Piston blank

A blank and piston technology, which is applied in the field of air-conditioning compressor manufacturing, can solve problems such as increased production costs, increased processing procedures, and affecting coaxiality, and achieves the effects of increasing production, reducing processing procedures, and complete solutions

Pending Publication Date: 2015-11-11
WUXI HUALIN REFRIGERATION MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the center hole is on the end face, the clearance volume between the end face of the piston and the top of the cylinder piston increases, so that there is no part on the end face of the compressor that can drive the piston to rotate. When processing the outer circle of the piston, a special mechanism is required to move the piston. Only the waist of the blank body can drive the piston to realize processing, which results in that when turning the outer circle of the piston blank, only one end of the outer circle can be turned at a time, and the other end of the outer circle needs to be turned around and clamped before turning. The above processing method affects both The coaxiality of the outer circle of the end also increases the processing steps, which affects the output and increases the production cost

Method used

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Embodiment Construction

[0013] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0014] In order to achieve the above object, the piston blank is realized by the following technical scheme: the piston blank includes a blank body 1, an end face 2, a fracture 3, a rotating strap 4 and a processing strap 5, and the waist of the blank body 1 A fracture 3 is provided; the end face 2 of the blank body 1 is respectively provided with a rotating strap 4 and a processing strap 5; at least one end face 2 of the blank body 1 has a rotating strap 4; the blank body 1 is a cylinder shape; the transverse cross-section of the fracture 3 is a rectangle; the rotating strap 4 is a cuboid; the processing strap 5 is a cuboid.

[0015] The piston blank provided by the invention, firstly, has a complete scheme and is convenient to use; secondly, the...

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PUM

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Abstract

The invention discloses a piston blank and belongs to the technical field of air condition compressor manufacturing. The piston blank comprises a blank body (1), end faces (2), a notch (3), a rotary hasp (4) and a machining hasp (5). The notch (3) is formed in the waist portion of the blank body (1). The rotary hasp (4) and the machining hasp (5) are arranged on the corresponding end face (2) of the blank body (1). At least one end face (2) of the blank body (1) is provided with the rotary hasp (4). By the adoption of the piston blank, machining procedures are reduced, the yield is increased, and the production cost is reduced. The piston blank has the greater popularization value in the technical field of air condition compressor manufacturing.

Description

technical field [0001] The invention relates to the technical field of air-conditioning compressor manufacturing, in particular to a piston blank. Background technique [0002] The existing swash plate type automotive air-conditioning compressor piston blank is generally in the shape of a cylinder with an opening in the middle, and the machining margin is increased on the processing surface to ensure that the blank meets the requirements of the finished product after cutting. The two ends of the piston blank are flat. When processing the piston, the first process needs to drill the center hole on the two ends, and then use this hole as a positioning to process the subsequent processes. Therefore, the center hole remains Finished end face of the piston. Since the center hole is on the end face, the clearance volume between the end face of the piston and the top of the cylinder piston increases, so that there is no part on the end face of the compressor that can drive the pis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/00
Inventor 苏齐来
Owner WUXI HUALIN REFRIGERATION MACHINERY CO LTD