High-speed spindle device provided with automatic balance mechanism

A high-speed spindle, self-balancing technology, applied in the direction of manufacturing tools, metal processing machinery parts, large fixed members, etc., can solve problems such as unfavorable long-term use of the spindle, spindle damage, etc., to achieve easy implementation, extended service life, and simple overall structure. Effect

Active Publication Date: 2016-02-24
NINGBO JINKAI MASCH TOOL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Doing so may cause damage to the spindle, which is not conducive to the long-term use of the spindle

Method used

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  • High-speed spindle device provided with automatic balance mechanism
  • High-speed spindle device provided with automatic balance mechanism
  • High-speed spindle device provided with automatic balance mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Example 1, such as Figure 1 to Figure 7 As shown, the high-speed spindle device includes a driving motor 51 and a main shaft 6 connected to an output shaft 52 of the driving motor. The output shaft 52 of the driving motor 51 is adjacent to the main shaft 6 through a coupling 53 . Both ends of the main shaft 6 are respectively provided with support seats 5 , and each support seat 5 is provided with a dynamic balance testing unit capable of sensing whether the main shaft 6 is balanced. The supporting base 5 and the driving motor 51 are disposed on the base plate 54 .

[0039] The main shaft 6 is provided with a balance test connection ring 55 connected with the dynamic balance test unit. The balance test connection ring 55 has a positioning block, which can locate the unbalanced position. The dynamic balance test unit is connected with the computer 56, and the outer wall of the main shaft 6 is sequentially formed with a first chute 61, a second chute 61a and a third chu...

Embodiment 2

[0053] Example 2, such as Figure 8 ~ Figure 10 As shown, the first chute 61 in this embodiment is a helical right-angle groove, and the inner side of the first adjustment ring 1 is provided with a connecting pin 63 that can slide in the first chute 61. The helical right-angle groove has at least three turns. The second chute 61a is also a helical right-angle groove, and the third chute 61b is also a helical right-angle groove. The helical right-angle grooves are connected into one body, and the three adjusting rings are located in the same helical right-angle groove. For the second adjustment ring 1 a and the third adjustment ring 1 b in this embodiment, refer to the first adjustment ring 1 , and for other structures, refer to Embodiment 1.

Embodiment 3

[0054] Example 3, such as Figure 11 As shown, in this embodiment, the first chute 61 is a closed annular right-angle groove, and the second chute 61a and the third chute 61b are set independently. The second adjustment ring 1a and the third adjustment ring 1b in this embodiment The structures of the second chute 61 a and the third chute 61 b ​​refer to the first adjusting ring 1 and the first chute 61 . Refer to Example 2 for other structures.

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PUM

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Abstract

A high-speed spindle device provided with an automatic balance mechanism comprises a driving motor and a spindle connected with an output shaft of the driving motor. The high-speed spindle device is characterized in that the two ends of the spindle are each provided with a supporting base, a dynamic balance testing unit capable of sensing whether the spindle is balanced or not is arranged in each supporting base, and the dynamic balance testing units are connected with a computer; a first chute, a second chute and a third chute are sequentially formed in the outer wall of the spindle, and the automatic balance mechanism is arranged on the spindle. Compared with the prior art, the high-speed spindle device has the advantages of being rapid to adjust, simple in overall structure and easy to implement.

Description

technical field [0001] The invention relates to a high-speed spindle device. Background technique [0002] At present, the spindle has the characteristics of high speed, high running precision, and high processing efficiency. The improvement of high-speed spindle speed and precision is based on the premise of high-precision dynamic balance. Although the main shaft will be adjusted offline when it leaves the factory, the high-speed rotation of the main shaft will cause centrifugal expansion, which will also destroy the dynamic balance of the main shaft. When the high-speed spindle is in an unbalanced state, many components such as disc springs, tie rods, and bearings inside the system will be subjected to thermal-mechanical coupling, and present strong anisotropy and nonlinear characteristics, which directly lead to unbalance at high speeds. The gradual evolution and intensification of the state. In addition, after off-line balancing, changing working conditions, tool chang...

Claims

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Application Information

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IPC IPC(8): B23B19/02B23Q11/00
CPCB23Q1/70B23Q11/00
Inventor 吴杰锋肖双民陈文聪刘霖罗颖李杰赵琼柯
Owner NINGBO JINKAI MASCH TOOL CO LTD
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