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Machine tool ram balance device

A technology of balancing device and machine tool ram, which is applied to metal processing machinery parts, maintenance and safety accessories, metal processing equipment, etc., and can solve problems affecting the processing accuracy of processing lathes, etc.

Pending Publication Date: 2019-01-01
YITELI SHANGHAI SCI TECH CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem in the prior art that the nitrogen balance system affects the machining accuracy of the lathe, the present invention provides a machine tool ram balance device, the purpose of which is that the balance device can greatly reduce the direction of the driving force during the reciprocating motion of the ram The change of the bending moment increases the driving stiffness of the machine tool ram and greatly improves the machining accuracy

Method used

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  • Machine tool ram balance device

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Embodiment Construction

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0017] refer to figure 1 As shown, a machine tool ram balancing device provided by the present invention includes a ram 1, and the balancing device also includes a fixed beam 2, and connecting plates 3 are symmetrically fixed on the opposite side walls of the two fixed beams, and the ram is slidingly connected On the connection plate, a motor 4 is installed on the top of the ram, and the output end of the motor is connected with a screw 5 for rotation, and a screw seat 6 is fixed between the connection plates, and a nut 7 is fixed on the screw seat, and the screw extends into the nut The inside is screwed with the nut, a nitrogen balance cylinder 8 is installed on the screw seat, a fixed frame 9 is installed on the fixed beam, and a nitrogen tank 10 connected with the nitrogen balance cylinder is fixed in the fixed frame;

[0018] The nitrogen balance cylind...

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Abstract

The invention discloses a machine tool ram balance device. The machine tool ram balance device comprises a ram, and further comprises a fixed beam; the ram is slidingly connected to connecting plates;a motor is mounted at the top of the ram; an output end of the motor is rotationally connected with a lead screw; a lead screw base is fixed between the connecting plates; a nut is fixed on the leadscrew base; the lead screw extends into the nut, and is screwed with the nut; a nitrogen balance cylinder is mounted on the lead screw base; and a free end of a piston rod of the balance cylinder is fixedly connected with the ram. The machine tool ram balance device has the following advantages: the balance cylinder is fixed on the same sides of a driving motor and the lead screw; when the ram moves down, the piston rod is driven to move down to counteract the weight of the ram; meanwhile, the balance cylinder is provided; and the straight torque is formed between a balance oil cylinder and the driving motor, so that the linearity change in the ram descending process is low, and the machining precision is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of numerical control machine tools, in particular to a machine tool ram balancing device. Background technique [0002] In the current processing machine tools, especially large-scale processing machine tools, in order to improve the dynamic response of the machine tool, a nitrogen balance system is usually added to the machine tool ram to offset the weight of the ram, reducing the motor load and improving the dynamic response of the machine tool. The nitrogen balance system The nitrogen balance cylinder is usually set on the opposite side of the ram driving device, but during the ram descending process, the bending moment of the nitrogen balance cylinder and the driving force stroke changes greatly in the straightness of the ram's full stroke, which affects the machining accuracy. Contents of the invention [0003] In order to solve the problem in the prior art that the nitrogen balance system affects the...

Claims

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Application Information

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IPC IPC(8): B23Q11/00
CPCB23Q11/001
Inventor 刘士孔刘正军刘小龙
Owner YITELI SHANGHAI SCI TECH CO LTD
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