A CNC vertical drilling machine broach spindle
A CNC vertical and spindle technology, which is applied in the field of mechanical parts processing, can solve the problems that affect the processing efficiency, the broach is easy to loosen up and down, and the stability of the installation and connection of the broach claw and the broach is low, so as to improve stability and prevent loosening Effect
Active Publication Date: 2022-03-11
江苏贵钰航空工业有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to provide a broach spindle of a numerically controlled vertical drilling machine to solve the problems of the prior art that the internal installation and connection stability of the broach claw and the broach is low, and the broach is easy to loosen up and down during use, thereby affecting the processing efficiency question
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[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implement...
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The invention discloses a broaching main shaft of a numerically controlled vertical drilling machine, which comprises a main shaft body and a broach. One end of the main shaft body is equipped with a pull rod, and one end of the pull rod is equipped with a four-petal broach claw through a threaded rod. The four-petal broach A positioning rod is installed inside the knife claw, and one end of the positioning rod is provided with a first external thread, and the outer side of the positioning rod is provided with a pressure knife spring, and one end of the broach can be threadedly connected with the positioning rod through a positioning groove, and the broach One end is provided with a spring slot, the outside of the four-petal broach is threaded with a fastening collar, the outside of the broach is fixed with a first snap ring, and the inside of the four-petal broach is provided with a first slot , the main shaft of the broaching tool of the CNC vertical drilling machine of the present invention is threaded inside through the positioning rod and the positioning groove respectively provided with the four-lobed broaching claw and one end of the broaching tool, and at the same time, the one end of the broaching tool is elastically compressed by the pressing tool spring, Improve the stability of the broach installation and fixation to prevent the broach from loosening.
Description
technical field [0001] The invention relates to the technical field of mechanical parts processing, in particular to a broaching spindle of a numerically controlled vertical drilling machine. Background technique [0002] CNC drilling machines are mainly used for drilling, reaming, reaming, tapping and other processing. It is a numerically controlled hole processing machine tool mainly for drilling. Due to the development of machining centers, most CNC drilling machines have been replaced by machining centers. It can realize the functions of drilling through holes, drilling blind holes, milling sealing grooves, etc. on simple materials and composite materials, using carbide drills for internal cooling high-speed drilling or ordinary high-speed steel twist drills for cold drilling, digital control of machine tool processing , The operation is very convenient, and it can realize automation, high precision, multi-variety and mass production, etc. The broach spindle is the core...
Claims
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IPC IPC(8): B23Q3/12
CPCB23Q3/12
Inventor 王海龙伍志健
Owner 江苏贵钰航空工业有限公司