A CNC bending machine and its control circuit
A technology of bending machine and bending mechanism, which is applied in the direction of presses, manufacturing tools, forming tools, etc., can solve the problems that the board cannot be loaded and unloaded, and the positioning of the board cannot be achieved, so as to achieve the effect of accurate detection and positioning and quality assurance
Active Publication Date: 2020-10-09
ZHAOQING UNIV +1
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Problems solved by technology
[0005] In order to make up for the shortcomings of the existing technology, the board cannot be loaded and unloaded by the equipment itself, the positioning of the board cannot be adjusted by the equipment itself, and the hydraulic oil cannot be cooled. This invention provides a technical solution to solve this problem
Method used
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Embodiment approach
[0026] As an embodiment of the present invention, the bending mechanism 6 includes a hydraulic cylinder 61 and a bending block 62; the hydraulic cylinder 61 includes a cylinder body 611, an oil pump 612, a cooling block 613, a hydraulic oil shaft 614, and a magnetic ring 615 , screw teeth 616, retaining ring 617, rotating mechanism 618, No. 1 solenoid valve 619 and No. 2 solenoid valve 620; the cylinder body 611 is a rotary body, and the upper end of the cylinder body 611 is a flange structure to facilitate fixed connection with the beam 4; The cylinder body 611 includes a heat dissipation chamber 621, an oil pressure chamber 622, an air collection chamber 623 and a moving chamber 624; the heat dissipation chamber 621 is located in the middle of the upper end of the cylinder body 611, above the oil pressure chamber 622, and is used for cooling the hydraulic oil and heat dissipation; the oil pressure chamber 622 is located in the center of the cylinder body 611, below the heat d...
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The invention relates to the field of numerical-control processing equipment, in particular to a numerical-control bending machine and a control circuit thereof. During operation, a board is transported through a conveyor belt, and is moved to the position of an inductor on the conveyor belt while the conveyor belt stops operation; a system judges that materials exist, a transfer mechanism is moved to a position above the board on the conveyor belt for adsorbing the board and transferring the board to a position between two fixed mechanisms; the transfer mechanism rotates by 90 degrees for enabling the board to transversely penetrate through the position between the fixed mechanisms while the fixed mechanisms start so as to be in contact with the board for bearing the board; a positioningair cylinder starts to move and position the board, and then stops operation, the fixed mechanisms clamp and fix the board, a bending mechanism descends to bend the board, the fixed mechanisms loosenthe board, the transfer mechanism adsorbs the board, ascends, moves and unloads after rotating by 90 degrees, so that the board can be loaded and unloaded through the equipment; and the machine is self-regulated to precisely position the board, so that the beneficial effects of cooling hydraulic oil are achieved.
Description
technical field [0001] The invention relates to the field of numerical control processing equipment, in particular to a numerical control bending machine and a control circuit thereof. Background technique [0002] In modern industry, plates are bent at a certain angle and can be seen everywhere, such as automobile bottom beams, street light support frames, shelves, led light stands, elevator guide rail folding, cargo boxes, and the above objects are often bent in the process of making finished products For the operation of radius and bending angle, the traditional plate bending is generally in the form of a hydraulic cylinder. With the development of industry to precision, numerical control technology has been widely used. The existing bending machine is easy to cause the workpiece to shed during the pressing plate folding. wrinkle phenomenon, and the bending angle is difficult to control, therefore, the present invention provides a sheet metal numerical control bending mac...
Claims
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IPC IPC(8): B21D5/00B21D43/12B21D43/18B21D43/00B21C51/00B21D37/16B30B15/16B30B15/26
CPCB21D5/002B21D5/004B21D5/006B21D5/008B21D43/026B21D43/12B21D43/18B30B15/166
Inventor 陈庆华陈英俊陈伦强
Owner ZHAOQING UNIV