Translation processing device for arc tooth trace cylindrical gear

A technology of cylindrical gears and processing devices, which is applied in the direction of driving devices, components with teeth, metal processing equipment, etc., can solve the problems of low gear precision, reduced bearing capacity, and insufficient rigidity, so as to improve the processing accuracy of gears and reduce the The effect of unbalance and improving the rigidity of members

Inactive Publication Date: 2013-07-17
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the radius of the cutter head decreases, the circumferential tooth thickness becomes more unequal, resulting in unstable meshing of the transmission pair and a reduction in the load-carrying capacity
The arc-toothed cylindrical gear processing device disclosed in the patent document ZL200410041297.2 adopts a parallel connecting rod structure. Although it can process circular-arc-toothed cylindrical gears with equal tooth thickness in the

Method used

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  • Translation processing device for arc tooth trace cylindrical gear
  • Translation processing device for arc tooth trace cylindrical gear
  • Translation processing device for arc tooth trace cylindrical gear

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0019] Example 1

[0020] Such as figure 1 As shown, a single cutter head and single blade constant tooth line radius processing device for processing circular arc tooth line cylindrical gears with equal tooth thickness in the circumferential direction is a processing device designed according to the principle of tool translation processing circumferential equal tooth thickness, including a sun The wheel 3 is fixed on the support base 1, the planet carrier 4 is movably connected to the support base 1 by the central shaft 2, the idler gear 5 and the planet wheels 6 mesh with each other, and are respectively movably connected to the planet carrier 4 by a connecting column 10, and at the same time The idler gear 5 meshes with the sun gear 3, a cutter head 7 is fixed on the planetary wheel 6, and a blade 8 is fixed on the cutter head 7. Since the sun gear 3 and the planet gear 6 have the same modulus and number of teeth, when the planet carrier 4 rotates around the central axis 2, th...

Example Embodiment

[0021] Example 2

[0022] Such as figure 2 Shown is a single-cutter, single-blade, variable-tooth-radius-circumferential equal-tooth-thickness arc-tooth cylindrical gear machining device, including a sun gear 3 fixed on a support base 1, and an idler gear 5 through a connecting column 10 and an adjusting link 11 and the connecting rod 12 are movably connected, the adjustment connecting rod 11 is movably connected to the centers of the idler 5 and the sun gear 3, and the connecting rod 12 is movably connected to the centers of the idler 5 and the planetary gear 6, and the idler 5 is connected to the sun gear 3 and The planetary gear 6 is engaged, the multipurpose planet carrier 16 is movably connected to the supporting base 1 through the central shaft 2, the planet gear is installed in the slide groove of the multipurpose planet carrier 16 through another connecting column 10, and the connecting block 13 is movably connected to the connecting column through the connecting column. ...

Example Embodiment

[0023] Example 3

[0024] Such as image 3 Shown is a multi-cutter, single-blade variable tooth line radius circular arc tooth line cylindrical gear processing device. On the basis of Example 2, the adjusting bolt 15 is changed to a multi-purpose adjusting bolt 17, and the adjusting link 11 is changed to a multi-purpose connecting rod 18. A gear pair composed of multiple idler gears 5 and planetary gears 6 is added evenly distributed around the sun gear 3. This device can reduce the unbalance of the planetary gear system, which is beneficial to improve the rigidity and increase the processing accuracy; at the same time, each planet A cutter head 7 can be fixed at the center of the gear 6, so the planet carrier 16 can rotate one round to process the tooth blank workpiece 9 multiple times, which improves the processing efficiency.

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Abstract

The invention discloses a processing device for an arc tooth trace cylindrical gear in the technical field of gears. The gear which the processing device is used for is provided with an arc tooth trace, an involute or an arc tooth profile and has equal circumferential tooth thickness. A plurality of blades of the processing device are evenly distributed around a planetary gear train. When the gear is processed, the blades perform plane motion, the gear axis and sun gear rotation axis of the planetary gear train are intersected in different planes, and the gear is processed in a generating method. The arc tooth trace cylindrical gear with the equal circumferential tooth thickness can be processed through the processing device, gear manufacturing precision and efficiency can be improved, and a processed gear pair has stability in transmission and is large in bearing capability and suitable for application to a high-speed heavy-duty gear transmission device.

Description

technical field [0001] The invention relates to a translational processing device for a planetary gear train of an arc-toothed cylindrical gear, and belongs to the technical field of gears. Background technique [0002] Arc-toothed cylindrical gear transmission has the characteristics of smooth meshing and strong bearing capacity. At present, there are many literatures studying its processing methods, but there are some shortcomings. For example, the arc-toothed cylindrical gear and its processing method disclosed in patent document ZL90105655.3 , when the gear is processed, the cylindrical gear is milled by the blade fixed on the rotating cutter head, and the working base surface of the blade changes continuously with the rotating cutter head. The thickness is equal, that is, the tooth space width is equal, but the circumferential tooth space width is not equal, that is, the circumferential tooth thickness is not equal. When the radius of the cutterhead decreases, the circ...

Claims

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Application Information

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IPC IPC(8): B23Q5/02B23F9/08
Inventor 孙志军侯力魏永峭唐锐常青林肖华军姜平任文娟张耀祖
Owner SICHUAN UNIV
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