Direct Drive Servo Tool Post
A servo tool holder, direct-drive technology, applied in the direction of large fixed members, metal processing machinery parts, maintenance and safety accessories, etc. Deformation, improved reliability and accuracy, low noise effect
Active Publication Date: 2015-10-28
JIANGSU HONGDA NUMERICAL CONTROL TECH CO LTD
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- Description
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- Application Information
AI Technical Summary
Problems solved by technology
The paper "Design of Servo Toolpost Control System Based on DSP" mentioned a servo tool post, which is driven by a servo motor through a gear system to rotate the cutter head and realize the initial positioning of the cutter head. Accurate positioning, this kind of tool post is affected by the transmission system, and the accuracy of the initial positioning is poor, and it is easy to produce shock and vibration during fine positioning, which affects the machining accuracy
Method used
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Embodiment Construction
[0010] In order to make the content of the present invention more clearly understood, the present invention will be further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.
[0011] Such as figure 1 As shown, a direct-drive servo tool post includes a main shaft 5, a casing 7, an inner gear 3, an outer gear 6 and a locking gear 9, the outer gear 6 is fixedly connected to the box 7, and locked The ring gear 9 is set axially movable on the main shaft 5, the inner ring gear 3 is rotatably installed in the outer ring gear 6, the inner ring gear 3 is fixedly set on one end of the main shaft 5, and also includes an oil cylinder 10 and a torque motor 12, the main shaft The other end of 5 is set on the motor shaft of the torque motor 12, the torque motor 12 is installed on the box body 7, the oil cylinder 10 is set on the main shaft 5, and the piston rod of the oil cylinder 10 is connected with the locking ring gear 9 so as to l...
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The invention discloses a direct-driving type servo knife rest which comprises a main shaft, a box body, an inner gear ring, an outer gear ring and a locking gear ring. The outer gear ring is fixedly connected on the box body, the locking gear ring is axially and movably sleeved on the main shaft, the inner gear ring is arranged in the outer gear ring in a rotation mode, the inner gear ring is fixedly sleeved at one end of the main shaft, and the direct-driving type servo knife rest further comprises an oil cylinder and a torque motor. The other end of the main shaft is sleeved on a motor shaft of the torque motor, the torque motor is arranged on the box body, the oil cylinder is sleeved on the main shaft, and a piston rod of the oil cylinder is connected with a locking gear ring so as to facilitate that the locking gear ring can axially move on the main shaft, and the locking gear ring is meshed or separated with the inner gear ring or the outer gear ring. The torque motor can be adopted to directly drive a knife rest to work, and reliability and positioning precision of the knife rest are improved.
Description
technical field [0001] The invention relates to a direct-drive servo tool holder, which belongs to the technical field of tool holders for numerically controlled machine tools. Background technique [0002] At present, turning machining centers and turning-milling compound machining centers are important processing equipment in aviation, aerospace, military and other industrial fields. The CNC tool post is the core functional component of the turning machining center and the turning-milling compound machining center. Its performance and structure directly affect the cutting performance and cutting efficiency of the machine tool, reflecting the design and manufacturing level of the machine tool. The basic functions of the tool post: one is to fix the tool, and the other is to realize automatic tool change. According to the driving method for tool change, the tool post can be divided into manual tool post, electric tool post (common motor drive), hydraulic tool post (hydraul...
Claims
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IPC IPC(8): B23B21/00B23Q1/26B23Q11/12
Inventor 许云龙吴华平杨俊召
Owner JIANGSU HONGDA NUMERICAL CONTROL TECH CO LTD