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Servo differential transmission device for gear slotting machine

A technology of transmission device and gear shaping machine, which is applied in the direction of gear tooth manufacturing device, gear cutting machine, gear teeth, etc., can solve the problems of easy wear of spiral guide rail, inability to adapt to processing, increase power consumption, etc., to overcome easy wear and eliminate friction , good synchronization effect

Inactive Publication Date: 2013-04-10
WUHAN TEXTILE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main defect of this mechanical spiral groove type additional rotation is: frequent friction between the cutter shaft and the spiral groove, not only the helical guide rail is easy to wear, but also increases power consumption; when changing the helical angle of the processed helical gear, the spiral groove guide rail must be replaced accordingly Adapt to the needs of processing gears with different helix angles

Method used

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  • Servo differential transmission device for gear slotting machine
  • Servo differential transmission device for gear slotting machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Such as figure 1 As shown, the servo differential gear shaping machine transmission device includes a crank slider mechanism, a displacement detection device, a servo transmission device, a differential transmission device, a worm gear transmission mechanism, a cutter shaft, and a cutter shaft transmission mechanism;

[0022] The slider crank mechanism comprises crank disc 1, connecting rod 2, slide block 4, crank rotary shaft 33, and crank rotary shaft 33 is supported on the gear shaping machine tool body 3 by bearing (crank rotary shaft 33 can rotate), crank disc 1 and The crank shaft 33 is fixedly connected, the crank disc 1 and the crank shaft 33 are perpendicular to each other, and one end of the crank shaft 33 is connected with the output shaft of the main motor of the gear shaping machine tool by a coupling or transmission mechanism (the crank disc is formed by the main motor of the gear shaping machine tool). drive, the main motor of the gear shaping machine too...

Embodiment 2

[0036] Such as figure 2 As shown, it is basically the same as Embodiment 1, except that the displacement detection device includes a grating scale 31 and a grating reading head 32, and the grating scale 31 is fixedly installed on the slider 4 of the slider crank mechanism; the grating reading head 32 is located at At the grating scale 31, the output end of the grating reading head 32 is connected with the input end of the signal processing and controller 27 of the servo transmission device by the second cable 28;

[0037] When the slider 4 and the grating scale 31 move up and down together, the grating reading head 32 reads the displacement signal of the up and down movement, and transmits it to the signal processing and controller 27, thereby controlling the movement of the motor 25, and then driving the difference through the coupling The differential spindle 20 of the drive transmission.

[0038] figure 2 Among them, the displacement signal generating part adopts a grat...

Embodiment 3

[0040] It is basically the same as Embodiment 1 or Embodiment 2, except that the cutter shaft transmission mechanism includes a sliding sleeve 11 and a cutter shaft driving wheel 10, the sliding sleeve 11 is fixedly installed on the cutter shaft 12, and the cutter shaft driving wheel 10 is set on the On the sliding sleeve 11, the sliding sleeve 11 is provided with a key or a raised slider along the axial direction of the cutter shaft 12, and a chute is arranged in the hole on the cutter shaft drive wheel 10, and the key or the raised slider is located in the chute. Inside (both linear sliding between the cutter shaft transmission wheel 10 and the sliding sleeve 11, and simultaneously the cutter shaft transmission wheel 10 can drive the sliding sleeve 11 and the cutter shaft 12 to rotate together).

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Abstract

The invention relates to a transmission device for a gear slotting machine, in particular to a servo differential transmission device for the gear slotting machine, which comprises a crank sliding block mechanism, a worm and worm wheel transmission mechanism, a cutter shaft and a cutter shaft transmission mechanism; the servo differential transmission device is characterized in that a displacement detection device is arranged on a sliding block in the crank sliding block mechanism, the output end of the displacement detection device is connected with the input end of a signal processing and controlling device of a servo transmission device by a second cable, and an output shaft of a motor of the servo transmission device is connected with a differential main shaft of a differential transmission device by a coupler; and a differential input wheel of the differential transmission device is connected with a worm wheel transmission wheel in the worm and worm wheel transmission mechanism by a second transmission belt or a second transmission chain, a duplex output transmission wheel of the differential transmission device is connected with a cutter shaft transmission wheel of the cutter shaft transmission mechanism through a first transmission belt or a first transmission chain, and the cutter shaft transmission mechanism is arranged on the cutter shaft. The device can not only overcome the defect of easy abrasion of a helical guideway, but also be conveniently applicable to the needs of processing bevel wheels with different helix angles.

Description

technical field [0001] The invention relates to a transmission device of a gear shaping machine, in particular to a transmission device of a gear shaping machine used for processing helical gears (or called helical gears). Background technique [0002] Helical gears (or helical gears) have the characteristics of smooth transmission, low vibration and noise during the meshing process, and are widely used in high-speed, heavy-duty, and low-noise transmission. Gear shaping is an irreplaceable gear machining method with many advantages. [0003] Gear shaping is a common method for machining helical gears. In addition to the normal motion between the tool shaft and the workpiece, in order to realize the processing of helical gears, the gear shaping tool shaft must have additional rotational motion, and the rotational motion Steering is frequently changed forward and reverse. [0004] At present, the additional rotation of the cutter shaft of the gear shaping machine generally a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23F23/00
Inventor 梅顺齐张智明徐巧赵建柳威朱贵儒王健伟席程琳郝瑞欣
Owner WUHAN TEXTILE UNIV
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