Numerical control tool rest buffer mechanism based on reliability consideration

A buffer mechanism and reliability technology, applied in metal processing machinery parts, maintenance and safety accessories, metal processing equipment, etc., can solve problems such as short service life, weak buffer capacity, and inability to reset in time, and achieve long service life and buffer Good effect and easy assembly

Inactive Publication Date: 2021-01-22
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The mechanism uses a buffer pad for buffering, the buffering capacity is weak, it cannot be reset in time, and the service life is short

Method used

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  • Numerical control tool rest buffer mechanism based on reliability consideration
  • Numerical control tool rest buffer mechanism based on reliability consideration
  • Numerical control tool rest buffer mechanism based on reliability consideration

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] see Figure 1-2 , the CNC tool post buffer mechanism based on reliability considerations, including the box body 2 and the end cover 17, the inner rotation of the box body 2 is provided with a cam gear 1, and the side wall of the cam gear 1 is uniformly provided with a number of positioning grooves 3 Two end caps 17 are symmetrically fixed on the box body 2, the first screw 5 passes through the two end caps 17 and the end is threadedly connected with a nut 4, and the first screw 5 can be fixed by turning the nut 4 on the end cap 17. The side wall of the nut 4 is provided with an inner hexagonal hole 6, and the setting of the inner hexagonal hole 6 is convenient for inserting the inner hexagonal wrench into the inside of the inner hexagonal hole 6, so as to reduce the torque of the nut 4 and make the screwing of the nut 4 easier. Convenient and quick, thus easy to install. The middle position of the first screw 5 is slidably nested with a sliding pin seat 12, and the i...

Embodiment 2

[0028] see image 3, on the basis of Embodiment 1, the inner side of the end cover 17 is symmetrically provided with a threaded part 19 at both ends of the first screw 5, and an extruded plate 18 is threaded on the threaded part 19, and the first screw 5 can be screwed to make The extruding plate 18 moves on the threaded part 19, so that the two extruding plates 18 can move closer or move to both sides, so as to adjust the compression amount of the second spring 15, thereby adjusting the buffer force. The inner side wall of the end cover 17 is fixedly connected to the outer end of the fixed cross bar 20, and the fixed cross bar 20 passes through the extruded plate 18, thereby avoiding the rotation of the extruded plate 18 during the movement. The inner end of the fixed cross bar 20 is provided with a limiting cap 21, and the setting of the limiting cap 21 has a limiting effect on the extruding plate 18, preventing the extruding plate 18 from slipping out of the fixed cross bar...

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Abstract

The invention relates to the technical field of machining machinery, and particularly discloses a numerical control tool rest buffer mechanism based on reliability consideration, which comprises a boxbody and end covers. A cam gear ring is rotatably arranged in the box body; a plurality of positioning grooves are uniformly formed in the side wall of the cam gear ring; the two end covers are symmetrically and fixedly arranged on the box body; first screws penetrate through the two end covers; the ends of the first screws are connected with nuts through threads; sliding pin seats are slidably nested in the middles of the first screws; sliding grooves are formed in the inner side walls of the end covers; sliding blocks are slidably placed in the sliding grooves; second screws penetrate through the sliding grooves and the sliding blocks and are in threaded connection with the interiors of the end covers; first springs are nested in the positions, on the two sides of the sliding blocks, ofthe second screws; the sliding blocks are connected to the ends of the sliding pin seats through rotating rods; and positioning pins are arranged on the sliding pin seats. The numerical control toolrest buffer mechanism based on reliability consideration provided by the invention has the advantages of being simple in structure, convenient to assemble, good in buffering effect, timely in resetting, good in buffering effect, long in service life and capable of improving the reliability of equipment.

Description

technical field [0001] The invention relates to the technical field of processing machinery, in particular to a numerically controlled tool holder buffer mechanism based on reliability considerations. Background technique [0002] With the progress of society, the manufacturing industry has been greatly developed, among which CNC machine tools have played a great role in promoting the progress of heavy industry and accelerated the progress of manufacturing industry. At present, the rotary tool post of CNC lathes is in contact with rigid parts when the tool head stops rotating. Due to the effect of inertia, the impact force is relatively large, resulting in a large vibration of the entire tool post, which has a great impact on the reliability, service life and machine tool of the tool post. affect the accuracy. Buffer, literally means to reduce the impact. The interpretation in the modern Chinese dictionary is to ease the conflict. In addition to real impact, cushioning ha...

Claims

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Application Information

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IPC IPC(8): B23Q11/00
CPCB23Q11/0032
Inventor 陈传海路尧田海龙杨兆军金桐彤
Owner JILIN UNIV
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