CN203227898U - Numerical-control gear hobbing machine - Google Patents
Numerical-control gear hobbing machine Download PDFInfo
- Publication number
- CN203227898U CN203227898U CN 201320234575 CN201320234575U CN203227898U CN 203227898 U CN203227898 U CN 203227898U CN 201320234575 CN201320234575 CN 201320234575 CN 201320234575 U CN201320234575 U CN 201320234575U CN 203227898 U CN203227898 U CN 203227898U
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- servomotor
- gear
- hobboing cutter
- workbench
- programmable
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Abstract
The utility model relates to gear hobbing machines, in particular to a numerical-control gear hobbing machine which comprises a bed body, a big upright fixed on the bed body, a workbench and a hobbing cutter box mounted on the big upright. A workpiece spindle is mounted in a shell of the workbench, the hobbing cutter box and the workbench are both controlled to operate by a PLC (programmable logic controller) control panel or a programmable computer, a servo motor I is mounted at the top of the big upright and controls the hobbing cutter box to move up and down along a guide rail of the big upright, rotating speed of a cutter mounted on the hobbing cutter box is n2, the workpiece spindle is connected with an output shaft of a servo motor II through a harmonic-wave speed reducer, and the PLC control panel or the programmable computer controls the servo motor II to be started and stopped and controls the rotating speed of the workpiece spindle to be n1, wherein 5n1</=n2, a constant ratio acquired by n2/n1 is the number of teeth Z of a processing gear. Duo to the structure, manufacturing cost, maintaining cost and using cost are lowered.
Description
Technical field
The utility model relates to gear-hobbing machine, specifically is a kind of chain digital control gear hobbing machine that reduces manufacturing cost, maintenance and use cost.
Background technology
Traditional gear-hobbing machine (comprising mechanical type gear-hobbing machine and chain digital control gear hobbing machine) adopts worm gear driven type helical gear pair transmission mechanism more in realizing continuously the revolution precision round subsection (namely Gear Processing being divided in the tooth).Worm gear is made up of dividing worm wheel and calibration snail thick stick, and this structure not only manufacturing process is many, and technology is more complicated, and the machine-tool bed is required height, and operator's operating technology ability is very strong.Therefore, cause worm gear manufacturing cost height, fabrication cycle is long, should not reduce cost; And make troubles for user's maintenance.The worm gear transmission self is exactly a big speed reducing ratio mechanism, is in the gear manufacturing processes, and it can't improve rotating speed of table.The helical gear pair transmission needs to improve the rotating speed of workbench, but in order to solve noise problem and gap, just must improve the precision of helical gear pair; Need to drop into high-accuracy lathe and a large amount of special tooling, so also very high and difficult grasp of cost of manufacture.
Tradition mechanical type gear-hobbing machine is at a minute tooth, and is differential, the exchange change gears that adopt on feed (axial feed) change in rotational speed more.To the Gear Processing of the different numbers of teeth, particularly helical gear processing will be adopted a large amount of formula operations.Select for use with a large amount of change gear spare parts, can not realize especially the processing of conelet degree tooth, barreled tooth flank.The processing and fabricating of large batch of change gear has at random also strengthened the cost of manufacture of producing lathe producer, has also increased the input of fund simultaneously to the user.
For solving the problems referred to above of traditional mechanical type gear-hobbing machine, chain digital control gear hobbing machine arises at the historic moment.But no matter be mechanical type gear-hobbing machine or chain digital control gear hobbing machine in indexing mechanism (being gear device), all adopt the transmission of worm gear driven type helical gear pair.Namely there is the manufacturing cost height, maintenance and use cost height.
The chain digital control gear hobbing machine of prior art generally comprises lathe bed and is used for driving the workbench of workpiece rotation and the hobboing cutter case of driving hobboing cutter rotation, casing, and programmable PLC control panel or the programmable calculator of control workbench and the operation of hobboing cutter case.The indexing mechanism of the chain digital control gear hobbing machine of this structure adopts the transmission of worm gear driven type helical gear pair, and namely work spindle adopts static pressure bearing type structure (being structure shown in the accompanying drawing 1) with being connected of indexing mechanism.Particularly, referring to attached Fig. 1 and 2, worm gear (1) is installed in work spindle (4) is upward covered by housing (2) back, housing (2) is fixed on the work spindle (4) by pressing plate (3) again.This structure driving moment is big, and the power of servomotor output is too much consumed by indexing mechanism, and manually the contact-making surface shovel amount of scraping to the static pressure bearing type of workbench is big, and working strength of workers is big.The chain digital control gear hobbing machine of this structure is when producing gear, be by all parameter input programmable PLC control panels of design gear or programmable calculator being calculated, by programmable PLC control panel or the relative operation with the hobboing cutter case of programmable calculator control workbench gear blank being processed then.
In sum, the gear-hobbing machine manufacturing cost height of prior art, maintenance and use cost are all than higher.
Summary of the invention
The purpose of this utility model provides a kind of chain digital control gear hobbing machine that reduces manufacturing cost, maintenance and use cost.
For realizing that the technical scheme that the utility model above-mentioned purpose adopts is: a kind of chain digital control gear hobbing machine, comprise lathe bed, be fixed on big column and workbench on the lathe bed, be installed in the hobboing cutter case on the big column, the hobboing cutter case is installed on the output shaft of servomotor IV, work spindle is installed in the workbench housing, and hobboing cutter case and workbench are by programmable PLC control panel or programmable calculator control operation; Wherein:
Described big column top is equipped with the servomotor I, control the hobboing cutter case after this servomotor I is connected with ball-screw and move up and down along big column guide rail, by programmable PLC control panel or the big column guide rail amount of moving up and down of the I keying of programmable calculator control servomotor and hobboing cutter case edge; The cutter that is installed on the hobboing cutter case rotates along servomotor IV output shaft, and the cutter rotating speed that is installed on the hobboing cutter case is n
2, opened and closed and the cutter rotation speed n by programmable PLC control panel or programmable calculator control servomotor IV
2
Described work spindle is connected by the output shaft of harmonic wave speed reducing machine with the servomotor II, this servomotor II control work spindle rotation, and the rotating speed that is opened and closed and controlled work spindle by programmable PLC control panel or programmable calculator control servomotor II is n
1
5n wherein
1≤ n
2, n
2/ n
1The constant ratio that obtains is the tooth number Z that adds work gear;
Described lathe bed right-hand member is equipped with the servomotor III, this servomotor III is connected with roller screw in being installed in lathe bed, workbench is installed on this roller screw, opens and closes and workbench move left and right on lathe bed by controlled this servomotor III 1 by programmable PLC control panel or programmable calculator;
When needs add work gear, at the cutter spindle installation of hobboing cutter case and the hobboing cutter of the identical modulus of processed gear, anchor clamps at work spindle are installed gear blank spare to be processed, the ratio of the speed of cutter spindle by the control rotating speed of work spindle 4 and hobboing cutter case, reach the number of teeth of processed gear, i.e. tooth number Z=n
2/ n
1
Because said structure, the utility model has reduced manufacturing cost, maintenance cost and use cost.
Description of drawings
The utility model can further specify by the non-limiting embodiment that accompanying drawing provides.
Fig. 1 is the structural representation of prior art work spindle and calibration gear junction.
Fig. 2 is the structural representation of prior art chain digital control gear hobbing machine lathe bed and workbench junction.
Fig. 3 is structural representation of the present utility model.
Fig. 4 is the structural representation of the utility model lathe bed and workbench junction.
Fig. 5 is the structural representation of work spindle and calibration gear junction.
Among the figure: 1, worm gear; 2, housing; 3, pressing plate; 4, work spindle; 5, lathe bed; 6, big column; 7, post; 8, hobboing cutter case; 9, workbench; 10, shaft coupling; 11, servomotor II; 12, output shaft; 13, harmonic wave speed reducing machine; 14, servomotor III; 15, post support; 16, servomotor I.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Referring to accompanying drawing 3 to 5, a kind of chain digital control gear hobbing machine, comprise lathe bed 5, be fixed on big column 6 and workbench 9 on the lathe bed 5, be installed in the hobboing cutter case 8 on the big column 6, hobboing cutter case 8 is installed on the output shaft of servomotor IV, and work spindle 4 is installed in workbench 9 housings, and hobboing cutter case 8 and workbench 9 are by programmable PLC control panel or programmable calculator control operation; Wherein:
Described big column 6 tops are equipped with servomotor I 16, control hobboing cutter case 8 after this servomotor I 16 is connected with ball-screw and move up and down along big column 6 guide rails, by programmable PLC control panel or the big column 6 guide rail amounts of moving up and down (being that the cutter Y-direction moves) of I 16 keyings of programmable calculator control servomotor and hobboing cutter case 8 edges; The cutter that is installed on the hobboing cutter case 8 rotates along servomotor IV output shaft, and the cutter rotating speed that is installed on the hobboing cutter case 8 is n
2(the cutter Z-direction that namely adds work gear is rotated) opened and closed and the cutter rotation speed n by programmable PLC control panel or programmable calculator control servomotor IV
2
Described work spindle 4 is connected with the output shaft 12 of servomotor II 11 by harmonic wave speed reducing machine 13, these servomotor II 11 control work spindles 4 rotations, the rotating speed that opens and closes and control work spindle 4 by programmable PLC control panel or programmable calculator control servomotor II 11 is n
1(namely adding the work gear Z-direction rotates);
5n wherein
1≤ n
2, n
2/ n
1The constant ratio that obtains is the tooth number Z that adds work gear;
Described lathe bed 5 right-hand members are equipped with servomotor III 14, this servomotor III 14 is connected with roller screw in being installed in lathe bed 5, workbench 9 is installed on this roller screw, opens and closes and workbench 9 move left and right (namely adding the work gear X-direction moves) on lathe bed 5 by controlled this servomotor III 14 by programmable PLC control panel or programmable calculator;
When needs add work gear, at the cutter spindle installation of hobboing cutter case 8 and the hobboing cutter of the identical modulus of processed gear, anchor clamps at work spindle 4 are installed gear blank spare to be processed, the ratio of the speed of cutter spindle by the control rotating speed of work spindle 4 and hobboing cutter case 8, reach the number of teeth of processed gear, i.e. tooth number Z=n
2/ n
1Among this embodiment, harmonic wave speed reducing machine 13 has been realized the continuous circular index of Gear Processing, and allows the power output of servomotor II 11 too much do not consumed, and power output is maximized the use, saved greatly simultaneously manually workbench has been touched the face shovel amount of scraping, reduced artificial labour cost; Harmonic wave speed reducing machine is worked in the roomy groove of lathe bed, the temperature rise of servomotor and harmonic drive reduction is improved, and bring bigger space to maintenance.
By the big retarding ratio of harmonic wave speed reducing machine 13, in above-described embodiment, preferably: described n
1≤ 60n/min, wherein n represents revolution, min represents the number of minutes in the time.
By service life of prolonging hobboing cutter with consider that hobboing cutter and gear to be processed are used material hardness, in above-described embodiment, preferably: described n
2≤ 1200 n/min, wherein n represents revolution, min represents the number of minutes in the time.
For ease of processing spool gear and major axis part, in above-described embodiment, preferably: on the described workbench 9 post 7 is installed, at post 7 post support 15 is installed, is moved up and down along post 7 guide rails by programmable PLC control panel or programmable calculator control operation control hydraulic means control post support 15.
For ease of assembling, in above-described embodiment, preferably: described harmonic wave speed reducing machine 13 is connected with servomotor II 11 by shaft coupling 10.
For making this hobbing machine structure compactness, in above-described embodiment, preferably: described servomotor II 11 and harmonic wave speed reducing machine 13 are installed in the lathe bed 5.Referring to Fig. 2, overcome the technical barrier that other parts can not be set in the prior art lathe bed 5.
For ease of the output speed of the output shaft of control hobboing cutter case 8, in above-described embodiment, preferably: the output shaft of described servomotor I 16 is installed on the change-speed gearing in the hobboing cutter case 8.Can certainly between servomotor I 16 and hobboing cutter case 8, gearbox be installed.
In above-described embodiment: described harmonic wave speed reducing machine 13 adopts the commercially available prod.Realize that with harmonic wave speed reducing machine 13 gear cutting machine turns round precision round subsection (branch tooth) continuously.Thereby the calibration transmission principle that has replaced traditional worm gear formula helical gear pair adopts first in the chain digital control gear hobbing machine field and realizes.It has solved the making difficulty of processing of worm gear formula helical gear pair.Allow design and making oversimplify more.Manufacture the cost of investment that cost and user buy lathe thereby reduce greatly.It is little that harmonic drive reduction has a volume, the transmission precision height, the reseting precision height, speed reducing ratio is big, motion steadily, driving moment is little, transmission rigidity height, advantage such as movement velocity is fast.Cost is low comparatively speaking.Now existing domestic and international professional major company is producing and research and development making harmonic drive reduction, and the reductor assembly for the user can provide high-quality provides strong assurance for keeping in repair and changing.
Obviously, all embodiment of foregoing description are a part of embodiment of the present utility model, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills are not making all other embodiment that obtain under the creative work prerequisite, all belong to the category of the utility model protection.
In sum, the utility model has reduced manufacturing cost, maintenance cost and use cost; Improve the precision that adds work gear.
Claims (7)
1. chain digital control gear hobbing machine, comprise lathe bed (5), be fixed on big column (6) and workbench (9) on the lathe bed (5), be installed in the hobboing cutter case (8) on the big column (6), hobboing cutter case (8) is installed on the output shaft of servomotor IV, work spindle (4) is installed in workbench (9) housing, and hobboing cutter case (8) and workbench (9) are by programmable PLC control panel or programmable calculator control operation; It is characterized in that:
Described big column (6) top is equipped with servomotor I (16), control hobboing cutter case (8) after this servomotor I (16) is connected with ball-screw and move up and down along big column (6) guide rail, by programmable PLC control panel or big column (6) the guide rail amount of moving up and down of programmable calculator control servomotor I (16) keying and hobboing cutter case (8) edge; The cutter that is installed on the hobboing cutter case (8) rotates along servomotor IV output shaft, and the cutter rotating speed that is installed on the hobboing cutter case (8) is n
2, opened and closed and the cutter rotation speed n by programmable PLC control panel or programmable calculator control servomotor IV
2
Described work spindle (4) is connected with the output shaft (12) of servomotor II (11) by harmonic wave speed reducing machine (13), this servomotor II (11) control work spindle (4) rotation, the rotating speed that is opened and closed and controlled work spindle (4) by programmable PLC control panel or programmable calculator control servomotor II (11) is n
1
5n wherein
1≤ n
2, n
2/ n
1The constant ratio that obtains is the tooth number Z that adds work gear;
Described lathe bed (5) right-hand member is equipped with servomotor III (14), this servomotor III (14) is connected with roller screw in being installed in lathe bed (5), workbench (9) is installed on this roller screw, and this servomotor III (14) opens and closes and workbench (9) is gone up move left and right at lathe bed (5) by being controlled by programmable PLC control panel or programmable calculator;
When needs add work gear, at the cutter spindle installation of hobboing cutter case (8) and the hobboing cutter of the identical modulus of processed gear, anchor clamps at work spindle (4) are installed gear blank spare to be processed, by the rotating speed of control work spindle (4) and the ratio of the speed of cutter spindle of hobboing cutter case (8), reach the number of teeth of processed gear, i.e. tooth number Z=n
2/ n
1
2. chain digital control gear hobbing machine according to claim 1 is characterized in that: described n
1≤ 60n/min, wherein n represents revolution, min represents the number of minutes in the time.
3. chain digital control gear hobbing machine according to claim 1 is characterized in that: described n
2≤ 1200 n/min, wherein n represents revolution, min represents the number of minutes in the time.
4. chain digital control gear hobbing machine according to claim 1, it is characterized in that: post (7) is installed on the described workbench (9), at post (7) post support (15) is installed, is moved up and down along post (7) guide rail by programmable PLC control panel or programmable calculator control operation control hydraulic means control post support (15).
5. chain digital control gear hobbing machine according to claim 1 is characterized in that: described harmonic wave speed reducing machine (13) is connected with servomotor II (11) by shaft coupling (10).
6. according to claim 1 or 4 described chain digital control gear hobbing machines, it is characterized in that: described servomotor II (11) and harmonic drive reduction are installed in the lathe bed (5).
7. chain digital control gear hobbing machine according to claim 1 is characterized in that: the output shaft of described servomotor I (16) is installed on the change-speed gearing in the hobboing cutter case (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320234575 CN203227898U (en) | 2013-05-03 | 2013-05-03 | Numerical-control gear hobbing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320234575 CN203227898U (en) | 2013-05-03 | 2013-05-03 | Numerical-control gear hobbing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203227898U true CN203227898U (en) | 2013-10-09 |
Family
ID=49284047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320234575 Withdrawn - After Issue CN203227898U (en) | 2013-05-03 | 2013-05-03 | Numerical-control gear hobbing machine |
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|---|---|
| CN (1) | CN203227898U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223531A (en) * | 2013-05-03 | 2013-07-31 | 重庆宏钢数控机床有限公司 | Numerically-controlled gear hobbing machine and method for processing gear |
| CN104043877A (en) * | 2014-06-23 | 2014-09-17 | 西安交通大学 | Gantry lathe bed gear hobbing machine workpiece compressing and face milling composite structure |
| CN107052891A (en) * | 2017-03-13 | 2017-08-18 | 钟浪雅 | A kind of gear-hobbing machine for being convenient to clean scrap |
| CN109604733A (en) * | 2018-12-04 | 2019-04-12 | 攀枝花市润莹齿轮有限责任公司 | A kind of hobboing cutter box assembly of gear-hobbing machine |
| CN114406361A (en) * | 2022-01-13 | 2022-04-29 | 重庆机床(集团)有限责任公司 | Gear hobbing machine for machining small-taper and drum-shaped gears and cutter mechanism thereof |
-
2013
- 2013-05-03 CN CN 201320234575 patent/CN203227898U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223531A (en) * | 2013-05-03 | 2013-07-31 | 重庆宏钢数控机床有限公司 | Numerically-controlled gear hobbing machine and method for processing gear |
| CN104043877A (en) * | 2014-06-23 | 2014-09-17 | 西安交通大学 | Gantry lathe bed gear hobbing machine workpiece compressing and face milling composite structure |
| CN107052891A (en) * | 2017-03-13 | 2017-08-18 | 钟浪雅 | A kind of gear-hobbing machine for being convenient to clean scrap |
| CN109604733A (en) * | 2018-12-04 | 2019-04-12 | 攀枝花市润莹齿轮有限责任公司 | A kind of hobboing cutter box assembly of gear-hobbing machine |
| CN114406361A (en) * | 2022-01-13 | 2022-04-29 | 重庆机床(集团)有限责任公司 | Gear hobbing machine for machining small-taper and drum-shaped gears and cutter mechanism thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131009 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |