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Pneumatic radial impact blanking machine

A feeding machine and cutting technology, which is applied in the field of low energy consumption, near-net and high-efficiency precision molding, can solve the problems of poor cutting section quality, low material utilization rate, and low production efficiency, and achieves adjustable frequency, high frequency, and guaranteed section. quality effect

Inactive Publication Date: 2010-09-15
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The blanking of metal bars widely exists in the preparation process of cold extrusion, die forging, metal chain pins, rolling bearing rollers, pin standard parts and shaft parts, and in these blanking processes, the amount of blanking is huge, At present, traditional shearing, sawing, high-energy cutting and other blanking methods have problems such as low material utilization rate, large blanking force, high energy consumption, low production efficiency and poor blanking section quality to varying degrees.

Method used

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Embodiment Construction

[0015] Referring to the accompanying drawings, the pneumatic radial impact blanking machine of the present invention comprises a base 9, on which a bar stock fixing device and a frame 8 are arranged, and the bar stock fixing device mainly consists of a blanking sleeve 1, a bar stock fixing sleeve 3. The elastic cushion cover 2 and the bar stock fixing bracket 4 are formed. The bar stock fixing cover 3 is connected with the bar stock support 4 through a transition fit, and one end of the blanking sleeve 1 forms a fit with the bar stock fixing bracket 4 through the elastic cushion cover 2;

[0016] 7 impact cylinders 5 are evenly arranged on the frame 8 along the radial direction of the bar. The impact cylinder 5 has a piston 6, and a blanking mold 7 is installed on the piston 6. The working contour curve of the blanking mold 7 adopts a cycloid;

[0017] During the blanking process, one end of the bar is installed in the inner hole of the bar fixing sleeve 3, and the other end is...

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Abstract

The invention discloses a pneumatic radial impact high-efficiency precise blanking press. The blanking press at least comprises a pneumatic radial impact blanking device and a bar stock fixing device; wherein, the pneumatic radial impact blanking mechanism adopts a cylinder piston to drive a blanking die so as to impact the bar stock; the invention has the advantages of high frequency, adjustablefrequency, adjustable impact force, economy, practicability and convenience, etc. The invention can achieve the precise blanking according to the bar stocks with different materials and different dimensions.

Description

technical field [0001] The invention belongs to the technical field of low energy consumption, near-net and high-efficiency precision molding. It relates to a blanking machine, especially a pneumatic radial impact blanking machine. The blanking machine adopts the principle of pneumatic impact to realize the circumferential generation, expansion and fracture of fatigue cracks on bars under periodic radial loading, and finally completes Precision blanking. Background technique [0002] The blanking of metal bars widely exists in the preparation process of cold extrusion, die forging, metal chain pins, rolling bearing rollers, pin standard parts and shaft parts, and in these blanking processes, the amount of blanking is huge, At present, traditional shearing, sawing, high-energy cutting and other blanking methods have problems such as low material utilization rate, large blanking force, high energy consumption, low production efficiency and poor blankin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D28/02B21D28/04B21D28/20B21D28/14B21D28/18
Inventor 赵升吨唐勇王振伟
Owner XI AN JIAOTONG UNIV
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