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A method for detecting adhesion and burrs on the surface of stamping workpieces

A stamping workpiece and detection method technology, which is applied in the field of stamping workpiece burr detection, can solve the problems of small adhesion marks, inconspicuousness, unevenness, etc.

Active Publication Date: 2022-03-18
山东力建数控设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] During the stamping process, the workpiece to be processed undergoes plastic deformation under the extrusion of the upper mold and the lower mold. During this process, the workpiece to be processed will completely fill the gap between the upper mold and the lower mold, and the workpiece and the mold are completely attached Together, this often leads to the phenomenon of adhesion between the workpiece and the mold when the upper mold and the lower mold are separated. When the workpiece is forced to separate from the mold, it will cause burrs and unevenness on the surface of the workpiece. The area is small and not obvious, and it is difficult for the staff to confirm its specific position on the workpiece

Method used

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  • A method for detecting adhesion and burrs on the surface of stamping workpieces
  • A method for detecting adhesion and burrs on the surface of stamping workpieces
  • A method for detecting adhesion and burrs on the surface of stamping workpieces

Examples

Experimental program
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Effect test

Embodiment 1

[0052] see figure 1 , a method for detecting adhesion burrs on the surface of stamping workpieces, comprising the following steps:

[0053] S1. Film: Clean and dry the surface of the workpiece after stamping, and paste the fragile film around the area to be detected on the surface of the workpiece, covering the entire area to be detected;

[0054] S2. Air pumping and membrane rupture: connect the fragile film to the suction pump, start the suction pump, and extract the gas between the fragile film and the workpiece. Under the action of vacuum pressure, the fragile film gradually adheres closely to the surface of the workpiece to be detected , causing the adhesion burrs to pierce the fragile film to form micropores, and the vacuum state is continuously maintained between the fragile film and the workpiece;

[0055] S3. Spray liquid coagulation: evenly spray a sufficient amount of colored adhesive on the outer surface of the easily damaged film, so that the colored adhesive com...

Embodiment 2

[0061] see figure 2 , a method for detecting adhesion burrs on the surface of stamping workpieces, comprising the following steps:

[0062] A1. Film: Clean and dry the surface of the workpiece after stamping, and paste the fragile film around the area to be detected on the surface of the workpiece, covering the entire area to be detected;

[0063] A2. Air pumping and membrane rupture: connect the fragile film to the suction pump, start the suction pump, and extract the gas between the fragile film and the workpiece. Under the action of vacuum pressure, the fragile film gradually adheres closely to the surface of the workpiece to be detected. , causing the adhesion burrs to pierce the fragile film to form micropores, and the vacuum state is continuously maintained between the fragile film and the workpiece;

[0064] A3. Powder coating: evenly spray a layer of colored sticky powder on the outer surface of the easily damaged film, and then cover the outer surface of the easily ...

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Abstract

The invention discloses a method for detecting adhesion burrs on the surface of stamping workpieces, which belongs to the field of detection of burrs on stamping workpieces. The invention adopts a fragile film to cover the surface of the workpiece, and exhausts the gas between the two. Under the action of vacuum pressure, it is easy to The damaged film is stretched and deformed and tightly attached to the surface of the workpiece, causing the adhesion burrs on the surface of the workpiece to pierce the easily damaged film, and then selectively adopt the method of spraying liquid condensation or powder coating to detect the position of the burr on the workpiece surface. In the liquid coagulation method, spray the colored adhesive on the surface of the easily damaged film, and tear the film after it is solidified. The viscous powder is sprayed on the surface of the fragile film, and the outer side is covered with a transparent film, and gas is filled between the fragile film and the workpiece. The area where the powder is blown up and adheres to the transparent film is the burr position of the workpiece.

Description

technical field [0001] The invention relates to the field of burr detection on stamping workpieces, and more specifically, to a method for detecting adhesion burrs on the surface of stamping workpieces. Background technique [0002] Stamping is to rely on presses and molds to apply external force to plates, strips, pipes, and profiles to cause plastic deformation or separation, so as to obtain workpieces (stamping parts) of the required shape and size. The stamping process is One of the processing methods with less and no chips, it is widely used in the processing and production of sheet metal parts, fasteners and other parts because of its advantages of high processing efficiency, low production cost, and favorable for large-scale processing. Among them, 60-70% are plates, most of which are stamped into finished products. [0003] During the stamping process, the workpiece to be processed undergoes plastic deformation under the extrusion of the upper mold and the lower mol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B21/30
CPCG01B21/30
Inventor 王凯
Owner 山东力建数控设备有限公司
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