Hobbing tool rest for small-modulus numerically-controlled 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: 2015-08-26
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

Method used

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  • Hobbing tool rest for small-modulus numerically-controlled gear hobbing machine
  • Hobbing tool rest for small-modulus numerically-controlled gear hobbing machine
  • Hobbing tool rest for small-modulus numerically-controlled gear hobbing machine

Examples

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Embodiment Construction

[0026] 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 .

[0027] 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;

[0028] 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.

[0029] In the above-mentioned tool post spindle part 20, such as figure ...

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Abstract

The invention discloses a hobbing tool rest for a small-modulus numerically-controlled gear hobbing machine. The hobbing tool rest comprises a tool rest body, a tool rest main shaft, a tool rest tool movement part and a tool rest tailstock, wherein the tool rest main shaft comprises a tool rest sliding plate, a main shaft box installed on the tool rest sliding plate, and a main shaft body and a tool bar which are pivoted in the main shaft box, the tool rest sliding plate is arranged on the tool rest body in a sliding fit mode, a torque motor is arranged in the main shaft box, a rotor of the torque motor is fixed to the main shaft body, and a 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 body; the tool rest tool movement part is fixed to the tool rest sliding plate, a lead screw is pivoted to the tool rest tool movement part, and a nut of the lead screw is fixed to the tool rest body; the tool rest tailstock is arranged on the tool rest sliding plate in a sliding fit mode, and the tool rest tailstock abuts against the tail end of the tool bar. Due to the fact that the rotor of the torque motor is directly fixed to the main shaft body, direct power transmission is achieved, transmission errors are avoided, and the rotating precision of the main shaft body is improved.

Description

Technical field: [0001] 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. Background technique: [0002] 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. Invention content: [0003] 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 transmission device of...

Claims

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Application Information

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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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