Numerical control turntable brake device
A numerically controlled turntable and sleeve technology, applied in the field of numerically controlled machine tools, can solve the problems of reduced braking effect, impact of braking effect, and difficult processing, etc., and achieve the effects of uniform braking contact, large braking force, and simple manufacturing
Inactive Publication Date: 2011-01-12
WEIHAI HUADONG AUTOMATION
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Problems solved by technology
[0002] As we all know: At present, the CNC turntable used in the machine tool will involve the brake of the turntable during the processing and use. Only the indexing accuracy after the brake is of practical significance and the machining accuracy can be guaranteed. The brake of the turntable The more commonly used tightening devices are brake pads, which are surrounded by surrounding brakes: brake pads are mainly used to compress the brake pads with a mechanism. Since this method is a frictional braking method, the material of the brake pads , the processing requirements are very high, and once the processing fails to meet the requirements, the actual braking effect will be greatly reduced; the surrounding braking method is widely used because of the full circumference of the braking method, but because the braking device itself is a thin-walled part , processing is difficult, and it is easy to cause uneven wall thickness, so the braking is not surface braking, but point and line braking, and the braking effect is also greatly affected
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[0011] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so as to help understand the content of the present invention.
[0012] Such as figure 1 As shown, the present invention is provided with cylindrical sleeve 1, and on the cylinder wall of cylindrical sleeve 1, a certain number of through holes are drilled in equal parts along the axial direction (the number of through holes is determined by the diameter of the cylinder, in In the case of a certain diameter, the number of through holes should be as many as possible) and made into a porous sleeve 1, the lower end of the porous sleeve 1 is fixed with the oil distribution gland 2, and the oil distribution gland 2 connects the porous shape through a concentric ring. All the through holes in the sleeve 1 are connected, and the upper end of the porous sleeve 1 is blocked with an oil plug 4 at one end of all the through holes. There is a hydraulic oil in...
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The invention relates to a numerical control turntable brake device, belonging to the field of a numerical control machine. The numerical control turntable brake device is provided with a sleeve and is characterized in that the sleeve is in a column casing shape; the wall of the sleeve is provided with through holes arranged at equal intervals along the axial direction; the sleeve is fixed on the fixing body of a numerical control turntable by bolts; the lower end of the sleeve is fixed with an oil distribution gland; the oil distribution gland causes all through holes on the wall of the sleeve to be communicated by one concentric ring; the upper end of the sleeve blocks one ends of all the through holes by oil plugs; and the cross section of the oil distribution gland is provided with hydraulic oil inlets. The brake device of the invention has the advantage of simple and convenient manufacture and does not need special technology frock; and in addition, because of even brake contact, the brake force is larger, and the brake effect is firmer.
Description
technical field [0001] The invention relates to the field of numerical control machine tools, in particular to a braking device for a numerical control turntable. Background technique [0002] As we all know: At present, the CNC turntable used in the machine tool will involve the brake of the turntable during the processing and use. Only the indexing accuracy after the brake is of practical significance and the machining accuracy can be guaranteed. The brake of the turntable The more commonly used tightening devices are brake pads, which are surrounded by surrounding brakes: brake pads are mainly used to compress the brake pads with a mechanism. Since this method is a frictional braking method, the material of the brake pads , the processing requirements are very high, and once the processing fails to meet the requirements, the actual braking effect will be greatly reduced; the surrounding braking method is widely used because of the full circumference of the braking method...
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IPC IPC(8): B23Q1/26
Inventor 梁勇毛维顺赵林涛
Owner WEIHAI HUADONG AUTOMATION