Gravity center displacement balance device of square ram of main shaft box of floor-type boring and milling machine
A balancing device, boring and milling machine technology, applied in metal processing machinery parts, maintenance and safety accessories, metal processing equipment, etc., can solve the problems of power head gravity imbalance, power head imbalance, etc., to ensure accuracy, improve processing accuracy, structure simple effect
Active Publication Date: 2014-05-14
QINGDAO HUITENG MACHINERY EQUIP
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Problems solved by technology
[0003] The purpose of the present invention is to solve the above-mentioned problems of unbalanced power head caused by different ram extension lengths of different workpieces, and provide a center of gravity displacement with simple structure and effective solution to the gravity imbalance problem of the power head after the ram is extended due to square rams. balance device
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[0010] The present invention will be further described below in conjunction with accompanying drawing.
[0011] A center of gravity displacement balance device for a square ram of a spindle box of a floor-type boring and milling machine, the balance device includes a gravity hammer 1, a balance cylinder 2, a hydraulic proportional valve 3 and a numerical control system, and the balance cylinder 2 is installed on the upper front of the power head box 4 , the balance cylinder 2 is connected with the gravity hammer 1 through the leaf chain 5, and connected with the numerical control system through the hydraulic proportional valve 3. The balance device is also provided with an oil tank 6, which is connected with the balance oil cylinder 2 to supply oil to the balance oil cylinder 2. An amplifier is arranged on the hydraulic proportional valve 3, and the amplifier is connected with the numerical control system. One end of leaf chain 5 is connected with balance oil cylinder 2, and ...
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The invention relates to a gravity center displacement balance device of a square ram of a main shaft box of a floor-type boring and milling machine. The balance device comprises a gravity hammer, a balance oil cylinder, a hydraulic proportioning valve and a numerical control system, wherein the balance oil cylinder is arranged on the front upper side of a power head case body, and the balance oil cylinder is connected with the gravity hammer through a plate type chain and connected with the numerical control system through the hydraulic proportioning valve. The balance device has a simple and reasonable structure, is convenient to operate, controls the oil pressure of the balance oil cylinder through the numerical control system, achieves the effect of controlling drop of the main shaft due to outward extension of the square ram under the action of the gravity hammer, improves the machining precision of equipment and ensures the precision of equipment.
Description
technical field [0001] The invention relates to a floor-type boring and milling machine, in particular to a center-of-gravity displacement balance device for a spindle box square ram of the floor-type boring and milling machine. Background technique [0002] At present, the domestic floor-type boring and milling machine has a broad market. The core part of the floor-type boring and milling machine is the power head, and its accuracy is related to the accuracy of the entire machine tool. The power head box is equipped with a square ram. With the different processing workpieces, the square ram needs to repeat the stretching and retracting action. Because the square ram itself is heavy, and its extension length varies with the processing workpiece. And different, this has just caused power head to appear unbalanced on the basis of original balance, causes square ram to appear sagging phenomenon, seriously affects the machining accuracy of equipment. At present, there are many ...
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IPC IPC(8): B23Q11/00
Inventor 姜红
Owner QINGDAO HUITENG MACHINERY EQUIP