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A Hobbing Cutter Holder for Small Modulus NC Gear Hobbing Machine

A technology of gear hobbing machine and gear hobbing cutter, which can be used in gear cutting machines, components with teeth, gear teeth manufacturing devices, etc., and can solve problems such as unfavorable spindle rotation accuracy.

Active Publication Date: 2017-08-08
ZHEJIANG RICHUANG MECHANICAL & ELECTRICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the transmission device must have transmission errors, the transmission device in the middle link is not conducive to improving the rotation accuracy of the main shaft.

Method used

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  • A Hobbing Cutter Holder for Small Modulus NC Gear Hobbing Machine
  • A Hobbing Cutter Holder for Small Modulus NC Gear Hobbing Machine
  • A Hobbing Cutter Holder for Small Modulus NC Gear Hobbing Machine

Examples

Experimental program
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Embodiment Construction

[0031] Such as figure 1 , a hobbing tool holder for a small-module numerically controlled gear hobbing machine, comprising a tool holder body part 10 , a tool holder main shaft part 20 , a tool holder shifting part 30 , and a tool holder tailstock part 40 .

[0032] Such as figure 2 , the tool rest main shaft part 20 comprises a tool rest slide plate 21, a spindle box 22 installed on the tool rest slide plate, a main shaft 23 pivotally connected in the spindle box, and a knife bar 24; On the top plane, the slide plate of the tool holder can move horizontally and straightly along the top plane of the tool holder body;

[0033] In the above-mentioned tool post spindle part 20, such as figure 2 , the spindle box 22 is provided with a torque motor 25, the rotor 251 of the torque motor is fixed on the main shaft, and the stator 252 of the torque motor is installed on the inner wall of the spindle box.

[0034] In the above-mentioned tool post spindle part 20, such as figure ...

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Abstract

The invention discloses a gear hobbing tool rest of a small-module numerical control gear hobbing machine, which comprises a tool rest body part, a tool rest main shaft part, a tool rest shifting part and a tool rest tail seat part. The main shaft part of the tool rest includes a slide plate of the tool rest, a spindle box installed on the slide plate of the tool rest, a main shaft pivotally connected in the spindle box, and a knife bar; Torque motor, the rotor of the torque motor is fixed on the main shaft, the stator of the torque motor is installed on the inner wall of the main shaft box; the tool bar is installed on the main shaft. The part of the knife rest that moves is fixed on the slide plate of the knife rest, and the part of the knife rest that shifts the knife is pivotally connected with a screw, and the nut on the screw is fixed on the body of the knife rest. The knife rest tailstock part is slidably fitted on the knife rest slide plate, and the knife rest tailstock part is against the tail end of the tool bar. The rotor of the torque motor of the present invention is directly fixed on the main shaft, which realizes zero transmission of power transmission, avoids transmission errors, and is beneficial to improving the rotation accuracy of the main shaft.

Description

[0001] Technical field: [0002] The invention relates to gear hobbing machine equipment, in particular to a gear hobbing tool holder of a small modulus numerically controlled gear hobbing machine. [0003] Background technique: [0004] For the hobbing tool rest of the small modulus numerical control gear hobbing machine, according to the prior art, the motor transmits power to the main shaft of the hobbing tool rest through the transmission device (such as a gear mechanism) of the intermediate link. Because the transmission device must have transmission errors, the transmission device in the middle link is not conducive to improving the rotation accuracy of the main shaft. [0005] Invention content: [0006] The technical problem solved by the present invention: the hobbing tool holder (machinable worm) of the small modulus numerically controlled gear hobbing machine in the prior art, because the motor transmits power to the main shaft of the hobbing tool holder through the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23F23/12B23B21/00B23Q5/40
Inventor 徐长春陶新根闵中华周伟强
Owner ZHEJIANG RICHUANG MECHANICAL & ELECTRICAL TECH
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