Angle detection device used for bending machine
A technology of angle detection and bending machine, which is applied in the direction of measuring device, optical device, instrument, etc., can solve the problems such as the difficulty of accurate alignment of the upper and lower dies, measurement errors, etc.
Inactive Publication Date: 2014-02-12
XI AN JIAOTONG UNIV
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Problems solved by technology
In actual production, it is difficult to align the upper and lower dies accurately, which brings measurement errors
Method used
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[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0021] refer to figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 , an angle detection device for a bending machine, comprising four timing pulley fixing seats 2, the four timing pulley fixing seats 2 are fixed on both ends of the fuselage 1, and are symmetrical front and rear, each timing pulley fixing seat 2 A bearing hole is provided for installing the rolling bearing 17. The connecting shaft 3 passes through the inner holes of the timing pulley 5 on different sides of the fuselage 1 and is inserted into the rolling bearing 17, and is fixed by the shaft shoulder and the axial freedom of the timing pulley 5, and connected The shaft 3 is connected to the synchronous pulley 5 by a key, the servo motor 4 is connected to one of the four synchronous pulleys 5 by a key, a synchronous belt 15 is installed on the two synchronous pulleys 5 on the same si...
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Abstract
An angle detection device used for a bending machine comprises four synchronous pulley fixing bases which are fixed to the two ends of a machine body, and connecting shafts penetrate through inner holes of synchronous pulleys, on the different sides, of the two ends of the machine body and then are inserted into rolling bearings. A servo motor is connected with one synchronous pulley, and one synchronous belt is installed on the two synchronous pulleys on the same side. Guide rails are fixedly connected to the machine body through bolts. Sliding blocks are installed on the guide rails and meshed with the synchronous belts. Measuring head supports are connected to the sliding blocks, each measuring head is formed by a left camera, a right camera and a light bar projector and fixed to one of the measuring head supports, and the left camera, the right camera, the light bar projector, the measuring head support, the sliding block, the guide rail, the synchronous belt and the two synchronous pulleys on each side of the machine body form a measuring device. The measuring devices on the two sides of the machine body are symmetrically arranged relative to a bent part. According to a detection method, light bar three-dimensional information is reconstructed to calculate the bending angle, and a non-contact mode is adopted for measuring so that the angle can be rapidly and accurately detected in real time in the bending process of the bending machine.
Description
technical field [0001] The invention relates to the technical field of angle detection of plate bending parts, in particular to an angle detection device for a bending machine. Background technique [0002] The bending machine is an important forming equipment in the plastic processing of the sheet metal. Due to the complex springback problem when the sheet is bent, the precise control of the bending angle of the sheet has always been an important indicator to measure the performance of the bending machine. The control of the bending angle of the bending machine mainly adopts a semi-closed loop method, that is, adjusting the pressing amount of the upper die to control the bending angle, while the angle of sheet forming is related to the opening of the die, the thickness of the sheet, the springback of the material, and the amount of pressing of the upper die. The numerical control system can only control the pressing amount of the upper die, and is powerless to the errors ca...
Claims
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Login to View More IPC IPC(8): G01B11/26
CPCB21D5/006B21D5/02G01B11/26
Inventor 赵升吨孟德安范淑琴李靖祥朱成成
Owner XI AN JIAOTONG UNIV