The Elastic Driving Device of the Pull Rod of the Numerical Control Lathe Fixture
An elastic-driven, CNC lathe technology, applied in positioning devices, clamping, manufacturing tools, etc., can solve problems such as workpiece flying out and hurting people, rotary oil cylinder or cylinder losing power source, and potential safety hazards, so as to improve the operating environment and eliminate Potential safety hazards, clean and tidy effect
Active Publication Date: 2018-09-04
ZHEJIANG WANGBANG PRECISION MACHINE TOOL
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Problems solved by technology
If the lathe suddenly loses power during operation, causing the rotary cylinder or cylinder to lose its power source, the pull rod cannot keep the chuck to maintain the clamping force on the workpiece. At this time, the fixture, workpiece and spindle of the CNC lathe are still rotating due to inertia. The workpiece is likely to fly out and hurt people, so this tie rod driving method has great safety hazards
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[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by those skilled in the art to which the present invention belongs. As used herein, "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and t...
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The invention discloses an elastic driving device for a numerically controlled lathe clamp pull rod, which is used for controlling extension or retraction of the pull rod. The elastic driving device comprises an elastic piece center shaft, wherein the pull rod of a lathe is fixedly arranged in the elastic piece center shaft in a penetrating manner; an elastic piece sleeves the elastic piece center shaft; the tail end of the elastic piece presses against a fixed flange; the head end of the elastic piece presses against an elastic driving piece; the elastic driving piece is fixedly connected with the pull rod; the elastic piece applies electric force to the pull rod through the elastic driving piece, so as to keep the pull rod in a backwards pulling state; and the elastic driving device further comprises a pull rod extending mechanism. The elastic driving device keeps the pull rod to be in the backwards pulling state through elastic potential energy of the elastic piece, thus ensuring that a clamp is in a clamped state; and even if the lathe is suddenly powered off in an operating process, the clamping force from the clamp to a workpiece can stilled be kept unchanged, so that the potential safety hazard under a power off condition of the lathe is thoroughly avoided.
Description
technical field [0001] The invention relates to a fixture control device of a numerically controlled lathe, in particular to an elastic driving device for a pull rod of a fixture of a numerically controlled lathe. Background technique [0002] The CNC lathe drives the fixture or power chuck to work by driving the movement of the pull rod, so as to realize the loosening or clamping action of the workpiece. [0003] At present, the movement of the tie rod is generally powered by a rotary oil cylinder or an air cylinder. During use, the rotary oil cylinder or cylinder needs to provide continuous power to keep the fixture in a state of clamping the workpiece. If the lathe suddenly loses power during operation, causing the rotary cylinder or cylinder to lose its power source, the pull rod cannot keep the chuck to maintain the clamping force on the workpiece. At this time, the fixture, workpiece and spindle of the CNC lathe are still rotating due to inertia. The workpiece is lik...
Claims
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IPC IPC(8): B23Q3/08B23Q3/10
CPCB23Q3/08B23Q3/10
Inventor 罗邦才杜伟
Owner ZHEJIANG WANGBANG PRECISION MACHINE TOOL