Numerical control tool rest cutting overload protection device

An overload protection, tool holder technology, applied in maintenance and safety accessories, metal processing machinery parts, metal processing equipment, etc., can solve the problems of time, manpower, consumption, etc., to simplify the troubleshooting process, facilitate installation, and shorten troubleshooting. and the effect of the debugging cycle

Active Publication Date: 2017-07-28
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, after the tool holder has an overload fault, it is often necessary to disassemble the tool holder, which takes a lot of time and manpower

Method used

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  • Numerical control tool rest cutting overload protection device
  • Numerical control tool rest cutting overload protection device
  • Numerical control tool rest cutting overload protection device

Examples

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Embodiment Construction

[0018] As shown in the figure, a CNC tool post cutting overload protection device includes a driving side bushing 1, a reset bushing 3, a driven side bushing 11, and an adjusting sleeve 12; one side of the driven side bushing 11 and the driving side The bushing 1 is connected, and the other side is threadedly connected with the adjusting bushing 12 , and the reset bushing 3 is sheathed on the outer side of the driven side bushing 11 close to the end of the driving side bushing 1 through the cotter pin 32 .

[0019] Tapered grooves 15 are evenly distributed along the circumferential direction on the end surface of the driving side bushing 1, and there are first steel ball holes 112 corresponding to the tapered grooves 15 on the driven side bushing 11, and the steel balls are placed 2 In the first steel ball hole 112, the cylindrical stopper 6 is also placed on the right side of the steel ball in the first steel ball hole 112; the driven side bushing 11 is also provided with an a...

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PUM

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Abstract

The invention discloses a numerical control tool rest cutting overload protection device. The protection device comprises a drive-side shaft sleeve, steel balls, a reset shaft sleeve, cylindrical stopping blocks, a left pushing plate, long springs, short springs, long spring sleeves, short spring sleeves, a right pushing plate, a driven-side shaft sleeve and an adjusting shaft sleeve; one side of the driven-side shaft sleeve is connected with the drive-side shaft sleeve, and the other side of the driven-side shaft sleeve is connected with the adjusting shaft sleeve; the reset shaft sleeve is located on the outer side of the driven-side shaft sleeve; grooves are formed in the end face of the drive-side shaft sleeve, first steel ball holes are formed in the driven-side shaft sleeve, the steel balls are arranged in the first steel ball holes, and when torque needs to be transmitted, the steel balls are pressed into the grooves of the drive-side shaft sleeve through the springs. According to the numerical control tool rest cutting overload protection device, the fault removing process is simplified by adopting a mechanical overload protection mechanism; through a critical force adjusting mechanism composed of the springs and the pushing plates, the magnitude of critical force can be changed, and the reliability and the practicability of the overload critical force adjusting mechanism under a certain threshold value can be guaranteed.

Description

technical field [0001] The invention relates to the field of numerically controlled turret tool holders, in particular to a cutting overload protection device for numerically controlled tool holders. Background technique [0002] A tool holder with a power tool drive module installed on the body of other tool holders such as ordinary servo tool holders is called a power tool holder. The CNC turret tool holder is one of the core functional components of a CNC lathe. Safety and stability are the primary considerations in the design and actual operation of large-scale mechanical equipment. During the actual work of the tool post, due to improper operation and other reasons, it may cause crashes, excessive loads, etc., causing damage to the tool post motor or gear transmission system. , and even accidents. In the circuit system, there is often a "fuse" to protect the safety of each circuit component on the circuit system. When the current exceeds the rated current that the fuse...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q11/04
CPCB23Q11/04
Inventor 陈南赵斌左建军李哲
Owner SOUTHEAST UNIV
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