CN104028850B - Large-scale gear hobbing machine is automatically to gear mechanism and to tooth method - Google Patents

Large-scale gear hobbing machine is automatically to gear mechanism and to tooth method Download PDF

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Publication number
CN104028850B
CN104028850B CN201410263526.9A CN201410263526A CN104028850B CN 104028850 B CN104028850 B CN 104028850B CN 201410263526 A CN201410263526 A CN 201410263526A CN 104028850 B CN104028850 B CN 104028850B
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China
Prior art keywords
gear
telescoping mechanism
movable stand
proximity switch
hobbing machine
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CN201410263526.9A
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CN104028850A (en
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杨灿辉
李先广
杨勇
张自凯
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Chongqing Machine Tool Group Co Ltd
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Chongqing Machine Tool Group Co Ltd
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Abstract

The invention discloses a kind of large-scale gear hobbing machine is automatically to gear mechanism, including support, telescoping mechanism and PLC that high high adjustment can be carried out along Y direction, the telescoping mechanism is provided with movable stand and proximity switch, the movable stand is slidably matched along X-direction with the support, the PLC is arranged on gear-hobbing machine and is connected with telescoping mechanism and proximity switch, also disclose this pair of gear mechanism to tooth method, specifically include manually to knife, positioning to the step such as gear mechanism and next gear mesh tooth;Simple structure, method of operating are simple and easy to do, as long as ensureing the validity for aligning first, follow-up gear can be found accurately automatically, reduce human error, and uniformity is good, and high precision is particularly suitable for batch machining;Meanwhile, because hobboing cutter allowance distribution is uniform, the service life of hobboing cutter is also greatly improved.

Description

Large-scale gear hobbing machine is automatically to gear mechanism and to tooth method
Technical field
The invention belongs to being combined with gear cutting machine or being mounted on gear cutting machine or be specially adapted for gear cutting machine shaped portion Annex or device field, are related to a kind of large-scale gear hobbing machine automatically to gear mechanism and to tooth method.
Background technology
Gear wheel in existing engineering machinery is not very high because of its required precision, carries out heat-treatment quenching in gear roughing Afterwards, it is not to carry out roll flute operation, but is directly finished using gear-hobbing machine, reaches cost-effective purpose.But When being processed, it is desirable to the blade of hobboing cutter must it is relative with gear tooth slot just, because allowance only has 0.3-1mm, therefore must be by Allowance distribution is uniform, the lasting usability of ability Reliable guarantee machining accuracy and cutter, and so often changing a gear needs manually Carry out making knife to hobboing cutter and gear the both sides surplus of hobboing cutter sword substantially similar, cause production efficiency low, what is aligned is consistent Property is poor.
The content of the invention
In view of this, it is it is an object of the invention to provide one kind is convenient to operation, automatic to the gear-hobbing machine of tooth high precision To gear mechanism and to tooth method.
To reach above-mentioned purpose, the present invention provides following technical scheme:A kind of large-scale gear hobbing machine automatically to gear mechanism, including Can carry out support, telescoping mechanism and the PLC of high high adjustment along Y direction, the telescoping mechanism be provided with movable stand with Proximity switch, the movable stand are slidably matched along X-direction with the support, and the PLC is arranged on gear-hobbing machine simultaneously It is connected with telescoping mechanism and proximity switch.
Further, the support is provided with multigroup clamping screw for locking movable stand.
Further, the support is provided with limiting plate.
Further, the telescoping mechanism is pneumatic cylinder.
The present invention provide it is above-mentioned to gear mechanism to tooth method, be characterised by comprising the following steps:
(1) manually to knife:Hobboing cutter blade and gear tooth slot are aligned, it is ensured that blade both sides allowance is evenly distributed, locked Determine hobboing cutter phase place;
(2) positioning is to gear mechanism:On selected gear, point on the basis of an optional position, installs to gear mechanism nearby, adjusts successively Whole support height on gear mechanism, movable stand outreach and telescoping mechanism extension elongation, make on telescoping mechanism Proximity switch locks movable stand after the datum mark selected, and by the position input PLC of now proximity switch, returns Telescoping mechanism, gear hobbing finishing gear;
(3) next gear mesh tooth:The next one is treated into that finishing gear is fixed on fixture, PLC control is flexible Mechanism stretches out, and makes proximity switch position return back to defined location in step (2), PLC control worktable rotary until Proximity switch sends finds signal accurately, returns telescoping mechanism, gear hobbing finishing gear.
Further, first coarse adjustment movable stand extended position in the step (2), then the extension elongation of accurate adjustment telescoping mechanism, makes Proximity switch is with datum mark at a distance of 1-2mm.
Further, in the step (3) PLC control workbench clockwise or counterclockwise 180 °/Z (Z is tooth Tooth number), find reference point location on the gear and corresponding to gear mechanism.
The beneficial effects of the present invention is:The apparatus structure is simple, and method of operating is simple and easy to do, by adding to tooth machine Structure record first gear to dentation state, as long as ensureing the validity that aligns first, follow-up gear can be looked for automatically Standard, without the need for manually being aligned again, reduces human error, and on the basis of same state, uniformity is good, high precision, It is particularly suitable for batch machining;Meanwhile, because hobboing cutter allowance distribution is uniform, the service life of hobboing cutter is also greatly improved.
Description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carries out Explanation:
Fig. 1 is the structural representation that the present invention is installed on gear-hobbing machine;
Fig. 2 is the front view of the present invention
Top views of the Fig. 3 for Fig. 2.
Specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As illustrated, large-scale gear hobbing machine of the present invention is automatically to gear mechanism, including high low-key can be carried out along Y direction The support 1 of section, telescoping mechanism 2 and PLC, the telescoping mechanism 2 are provided with movable stand 3 and proximity switch 4, the movement Frame 3 is slidably matched along X-direction with the support 1, the PLC be arranged on gear-hobbing machine and with telescoping mechanism 2 and connect Nearly switch 4 is connected.
In the present embodiment, support 1 is fixed on the side of gear hobbing machine worktable 5, and near work gear to be added, 1 upper end of support Rail groove is provided with, the track being engaged with rail groove on movable stand 3, is correspondingly provided with, telescoping mechanism 2 is pneumatic cylinder, 3 sets of movable stand It is mounted on pneumatic cylinder and forms a whole with which, when the right position of movable stand 3 is adjusted along X-direction, pneumatic cylinder is with shifting Moving frame 3 is moved left and right;Piston rod on pneumatic cylinder also individually can stretch, you can by pneumatic cylinder upper piston rod and/or movable stand 3 Realize the position adjustments in the X-axis direction of proximity switch 4.
Used as the further improvement of such scheme, the support 1 is provided with multigroup clamping screw for locking movable stand 3 6, the positioning of movable stand 3 is realized, its play is prevented.
Used as the further improvement of such scheme, the support 1 is provided with limiting plate 7, the maximum amount of movement to movable stand 3 Carry out spacing, effectively can to prevent from causing track to be mutually disengaged with rail groove because regulated quantity is excessive problem.
Method of the gear-hobbing machine automatically to tooth is carried out to gear mechanism using above-mentioned, is mainly included the following steps that:
(1) manually to knife:8 blade of hobboing cutter is aligned with gear tooth slot, it is ensured that blade both sides allowance is evenly distributed, locked Determine 8 phase place of hobboing cutter, this 8 phase place of hobboing cutter is adopted with a batch of, without the need for adjusting again;
(2) positioning is to gear mechanism:On selected gear, point on the basis of an optional position, installs to gear mechanism nearby, adjusts successively Whole 1 height of support on gear mechanism, 2 extension elongation of 3 outreach of movable stand and telescoping mechanism, make installed in telescoping mechanism 2 On proximity switch 4 lock movable stand 3 after the datum mark selected, by the position input PLC of now proximity switch 4 In, return telescoping mechanism 2, gear hobbing finishing gear;It is the manual positioning of first gear in same batch in this step, except flexible Outside 2 upper piston rod of mechanism, remaining regulator site carries out locking positioning, prevents play and causes deviation, and lower tooth is unloaded after processing Wheel;
(3) next gear mesh tooth:The next one is treated on the fixture that finishing gear is held within workbench 5, PLC Controller control telescoping mechanism 2 stretches out, and makes proximity switch position 4 return back to defined location in step (2), meanwhile, PLC controls The device control rotation of workbench 5 is sent up to proximity switch 4 finds signal accurately, returns telescoping mechanism 2, gear hobbing finishing gear;From this Step starts, and finds accurately, tooth is as carried out automatically, the reciprocation cycle step, until all follow-up Gear Processings in same batch Finish, during processing next batch gear from the beginning of step (1).
In the present embodiment, first 3 extended position of coarse adjustment movable stand in the step (2), then accurate adjustment telescoping mechanism 2 stretches out length Degree, makes proximity switch 4 with datum mark at a distance of 1-2mm;Because telescoping mechanism 2 is the high precision components such as pneumatic cylinder, controllability is good, as Last accurate adjustment, can preferably guarantee the precision between proximity switch 4 and datum mark.
In the present embodiment, in the step (3), PLC controls the 180 °/Z clockwise or counterclockwise of workbench 5 (Z is number of gear teeth), finds reference point location on the gear and corresponding to gear mechanism, and rotational angle is little, finds accurately quick.
Finally illustrate, preferred embodiment above is only unrestricted to illustrate technical scheme, although logical Cross above preferred embodiment to be described in detail the present invention, it is to be understood by those skilled in the art that can be Various changes are made to which in form and in details, without departing from claims of the present invention limited range.

Claims (3)

1., automatically to gear mechanism to tooth method, the large-scale gear hobbing machine is automatically to gear mechanism for a kind of large-scale gear hobbing machine:Including can Support, telescoping mechanism and the PLC of high high adjustment are carried out along Y direction, the telescoping mechanism is provided with movable stand and connects Near to switch, the movable stand is slidably matched along X-direction with the support, the PLC be arranged on gear-hobbing machine and with Telescoping mechanism and proximity switch are connected;The support is provided with multigroup clamping screw for locking movable stand;On the support It is provided with limiting plate;The telescoping mechanism is pneumatic cylinder;
It is characterized in that comprising the following steps:(1)Manually to knife:Hobboing cutter blade and gear tooth slot are aligned, it is ensured that blade both sides Allowance is evenly distributed, and locks hobboing cutter phase place;(2)Positioning is to gear mechanism:As soon as point on the basis of optional position on selected gear, Closely install to gear mechanism, be sequentially adjusted in the support height on gear mechanism, movable stand outreach and telescoping mechanism extension elongation, The proximity switch on telescoping mechanism is made to lock movable stand after the datum mark selected, by the position of now proximity switch In input PLC, telescoping mechanism, gear hobbing finishing gear are return;(3)Next gear mesh tooth:The next one is treated into finishing Work gear is fixed on fixture, and PLC control telescoping mechanism stretches out, and makes proximity switch position return back to step(2)In really Fixed position, PLC control worktable rotary is sent up to proximity switch finds signal accurately, returns telescoping mechanism, gear hobbing essence Processing gear.
2. large-scale gear hobbing machine according to claim 1 is automatically to gear mechanism to tooth method, it is characterised in that:The step (2)Middle first coarse adjustment movable stand extended position, then the extension elongation of accurate adjustment telescoping mechanism, make proximity switch with datum mark at a distance of 1- 2mm。
3. large-scale gear hobbing machine according to claim 1 is automatically to gear mechanism to tooth method, it is characterised in that:The step (3)Middle PLC control workbench 180 °/Z clockwise or counterclockwise, Z is number of gear teeth, find on the gear with it is right The corresponding reference point location of gear mechanism.
CN201410263526.9A 2014-06-13 2014-06-13 Large-scale gear hobbing machine is automatically to gear mechanism and to tooth method Active CN104028850B (en)

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CN107350574B (en) * 2017-08-29 2019-03-08 苏州卓诚钛设备有限公司 A kind of cutter device for cast gear
CN109676204A (en) * 2019-01-09 2019-04-26 银川威力传动技术股份有限公司 A kind of presetting cutter method of machining worm wheel gear hobbing
CN111015310B (en) * 2019-12-18 2021-12-07 长沙思胜智能设备有限公司 Machine tool positioning and tooth aligning device
CN111633281A (en) * 2020-06-09 2020-09-08 新代科技(苏州)有限公司 High-speed secondary gear aligning method and system for gear hobbing machine
CN112548597B (en) * 2020-11-30 2021-10-08 重庆机床(集团)有限责任公司 Numerical control slot milling machine tool rest capable of automatically centering

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DE2833923A1 (en) * 1977-08-11 1979-03-01 Werkzeugmasch Okt Veb Involute gear grinding machine - has measuring device deflecting radially and tangentially held against previously ground flanks
US6577917B1 (en) * 1999-06-22 2003-06-10 Reishauer Ag Process and apparatus for the automatic measurement of processing and workpiece characteristics when grinding gears
CN1669735A (en) * 2004-03-16 2005-09-21 科林基恩伯格股份有限公司 Equipment for measuring rotary symmetrical precision part, CNC measuring equipment and method thereof
CN101547765A (en) * 2007-02-06 2009-09-30 三菱重工业株式会社 Gearing apparatus, and gear working machine
CN201632888U (en) * 2010-01-22 2010-11-17 桂林福达齿轮有限公司 Finish allowance distribution gauge of spiral bevel gear
CN102896380A (en) * 2012-09-16 2013-01-30 浙江丰立机电有限公司 Processing method of exchangeable small modulus gleason spiral bevel gears or small modulus hyperbolic gears in quantity production
CN203509240U (en) * 2013-09-25 2014-04-02 湖北工业大学 Quick tool setting instrument for gear machining
CN103692030A (en) * 2013-11-06 2014-04-02 荣成锻压机床有限公司 Tool setting device and tool setting method for gear machining on large-sized press
CN203863152U (en) * 2014-06-13 2014-10-08 重庆机床(集团)有限责任公司 Automatic gear alignment mechanism of large-scale gear hobbing machine

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761560A (en) * 1954-05-17 1956-09-04 Illinois Tool Works Automatic gear size checking apparatus
DE2833923A1 (en) * 1977-08-11 1979-03-01 Werkzeugmasch Okt Veb Involute gear grinding machine - has measuring device deflecting radially and tangentially held against previously ground flanks
US6577917B1 (en) * 1999-06-22 2003-06-10 Reishauer Ag Process and apparatus for the automatic measurement of processing and workpiece characteristics when grinding gears
CN1669735A (en) * 2004-03-16 2005-09-21 科林基恩伯格股份有限公司 Equipment for measuring rotary symmetrical precision part, CNC measuring equipment and method thereof
CN101547765A (en) * 2007-02-06 2009-09-30 三菱重工业株式会社 Gearing apparatus, and gear working machine
CN201632888U (en) * 2010-01-22 2010-11-17 桂林福达齿轮有限公司 Finish allowance distribution gauge of spiral bevel gear
CN102896380A (en) * 2012-09-16 2013-01-30 浙江丰立机电有限公司 Processing method of exchangeable small modulus gleason spiral bevel gears or small modulus hyperbolic gears in quantity production
CN203509240U (en) * 2013-09-25 2014-04-02 湖北工业大学 Quick tool setting instrument for gear machining
CN103692030A (en) * 2013-11-06 2014-04-02 荣成锻压机床有限公司 Tool setting device and tool setting method for gear machining on large-sized press
CN203863152U (en) * 2014-06-13 2014-10-08 重庆机床(集团)有限责任公司 Automatic gear alignment mechanism of large-scale gear hobbing machine

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