CN102179949A - Non-circular gear transmission press and method for obtaining shape of non-circular gear nodal line - Google Patents
Non-circular gear transmission press and method for obtaining shape of non-circular gear nodal line Download PDFInfo
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- CN102179949A CN102179949A CN2011100561619A CN201110056161A CN102179949A CN 102179949 A CN102179949 A CN 102179949A CN 2011100561619 A CN2011100561619 A CN 2011100561619A CN 201110056161 A CN201110056161 A CN 201110056161A CN 102179949 A CN102179949 A CN 102179949A
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Abstract
The invention discloses a non-circular gear transmission press and a method for obtaining the shape of a non-circular gear nodal line. The non-circular gear transmission press comprises a power device, a crank, a connecting rod, a sliding block, a driving non-circular gear and a driven non-circular gear, wherein the driving non-circular gear and the driven non-circular gear are meshed with each other; the connecting rod is connected with the crank and the sliding block; the power device is in transmission connection with the driving non-circular gear; and the driven non-circular gear is in transmission connection with the crank. Motion characteristics of the non-circular gears can be obtained by subtracting the motion characteristic of a crank sliding block mechanism in the press from the motion characteristic of the press, and nodal line curvilinear equations of the non-circular gears can be solved by the motion characteristics of the non-circular gears. The invention has the advantages that: motion characteristic curves are changeful; manufacturing precision is high; working efficiency is high; and the motion characteristic curves of the press are simple in obtaining.
Description
Technical field
The present invention relates to a kind ofly, belong to pressure processing machine tool field by the forcing press of non-circular gear transmission and the preparation method of non-circular gear nodel line shape.
Background technology
What the usual pressure lathe adopted is that simple cylindrical gear mechanism and slider-crank mechanism carry out transmission, and the kinetic characteristic curve of this type of forcing press all is similar to shape shown in Figure 1, and the kind of this type of curve movement is single, does not satisfy the special occasion of ask for something.For example, speed gets slowly and arrives to a certain degree when processing technology requires in stamped workpieces, and the processing occasion of the rapid movement that the speed when non-punching stroke is tried one's best can guarantee the accuracy of manufacture that the user is required like this, and operating efficiency.Common lathe by cylindrical gear mechanism and slider-crank mechanism transmission is to be difficult to reach this requirement.
For addressing the above problem, in the prior art, existing patent is improved at the above-mentioned defective of ordinary press.For example: number of patent application is: 02136317.X, and publication number is: the Chinese patent of CN 1392044A has disclosed a kind of elliptical gear press without crank, and it is provided with active elliptic gear and the passive elliptic gear that cooperatively interacts.It utilizes the angle between the installing hole line of centres of the centre of gyration of the transverse of passive elliptic gear and passive elliptic gear and connecting pin to change, make the variable motion characteristic curve of elliptic gear different, thereby make same forcing press can change the kinetic characteristic curve of slide block with crank block kinetic characteristic curve superposed positions.
Yet though above-mentioned prior art can have some improvement to the problems referred to above really, its pitch curve shape just is confined to ellipse, and is abundant not enough to the improvement of ordinary press kinetic characteristic curve.Thereby, how to develop a kind of not only accuracy of manufacture height and high efficiency, and the changeful forcing press of kinetic characteristic curve, the problem that needs to be resolved hurrily become.
Summary of the invention
The defective that The present invention be directed to the existence of above-mentioned background technology provides the preparation method of a kind of non-circular gear transmission forcing press and non-circular gear nodel line shape, and this non-circular gear transmission press motion characteristic curve is full of variety accuracy of manufacture height, high efficiency; The preparation method of this non-circular gear nodel line shape is simple.
For achieving the above object, the invention discloses the preparation method of a kind of non-circular gear transmission forcing press and non-circular gear nodel line shape, described non-circular gear transmission forcing press comprises power set, crank, connecting rod, slide block and intermeshing active non-circular gear and driven non-circular gear, described connecting rod links to each other with described crank and slide block, described power set and described active non-circular gear are in transmission connection, and described driven non-circular gear is connected with described crank gearing.
The method that obtains described non-circular gear nodel line shape comprises the steps:
, according to the press motion characteristic curve of user's request and the kinetic characteristic curve of slider-crank mechanism, can obtain the rotating speed W2(t of crank), that is the rotating speed of driven non-circular gear, it is the function of time t, changes in time and changes;
Obtain that parameter is under the polar coordinates of non-circular gear (5) nodel line curve initiatively:
Parameter is under the polar coordinates of driven non-circular gear (6) nodel line curve:
Further, the nodel line of described active non-circular gear and driven non-circular gear is a non-circular curve.
Further, described non-circular gear transmission forcing press also comprises clutch, and described driven non-circular gear is connected with described crank gearing by described clutch.
Further, described non-circular gear transmission forcing press also comprises brake, and described brake is positioned at an end of described crank.
Further, described power set and described active non-circular gear are connected with small pulley and big belt wheel respectively, are with driving-belt on described small pulley and the big belt wheel.
Further, described power set are motors.
In sum, active non-circular gear that non-circular gear transmission forcing press of the present invention cooperatively interacts by setting and driven non-circular gear cooperate with described crank, thereby realize that kinetic characteristic curve is full of variety, accuracy of manufacture height and high efficiency; The method that obtains described non-circular gear nodel line shape is to obtain by required press motion characteristic curve inverse, thereby simple.
Description of drawings
Fig. 1 is the interior kinetic characteristic curve figure of forcing press one-period of prior art.
Fig. 2 is the schematic diagram of non-circular gear transmission forcing press of the present invention.
Fig. 3 is the structural representation of non-circular gear transmission forcing press of the present invention.
Fig. 4 is the kinetic characteristic curve figure in the non-circular gear transmission forcing press one-period of the present invention.
Among Fig. 1 and Fig. 4, the reference axis transverse axis is time t, and the longitudinal axis is the displacement of S-press ram, perhaps the speed of V press ram; The S curve is represented the s-t(displacement-time of press ram motion) curve, the V curve is represented the v-t(Velocity-time of press ram motion) curve.
The specific embodiment
For further understanding feature of the present invention, technological means and the specific purposes that reached, function, the present invention is described in further detail below in conjunction with the accompanying drawing and the specific embodiment.
See also Fig. 1 to Fig. 4, non-circular gear transmission forcing press of the present invention comprises power set 1, crank 2, connecting rod 3, slide block 4, active non-circular gear 5, driven non-circular gear 6 and frame 7.Described connecting rod 3 links to each other with described crank 2 and slide block 4, makes described crank 2, connecting rod 3 and slide block 4 form slider-crank mechanism.Described active non-circular gear 5 and driven non-circular gear 6 are meshing with each other, and the nodel line of described active non-circular gear 5 and driven non-circular gear 6 is a non-circular curve.Described driven non-circular gear 6 is in transmission connection with described crank 2.
Described non-circular gear transmission forcing press also comprises clutch 8 and brake 9, and described driven non-circular gear 6 is in transmission connection with described crank 2 by described clutch 8.Described brake 9 is positioned at an end of described crank 2, and relative with described clutch 8 positions.Described power set 1 and described active non-circular gear 5 are connected with small pulley 10 and big belt wheel 11 respectively, be with driving-belt 12 on described small pulley 10 and the big belt wheel 11, described active non-circular gear 5 is fixed on the same power transmission shaft with big belt wheel 11, thereby realizes that described power set 1 are in transmission connection with described active non-circular gear 5.In the present embodiment, described power set 1 are motors.
Operation principle of the present invention is: by driven by motor small pulley 10, drive big belt wheel 11 by driving-belt 12 again, big belt wheel 11 drives initiatively non-circular gear 5, initiatively non-circular gear 5 drives driven non-circular gear 6, driven non-circular gear 6 drives crank 2 by clutch 8, and it is reciprocating to make crank 2 drive described slide block 4.When clutch 8 unclamped, driven non-circular gear 6 can not drive crank 2, by brake 9 controls, slider-crank mechanism was stopped on certain position fast again.
By above-mentioned transmission process as can be known, the kinetic characteristic of press ram 4 is to be formed by stacking by the drive characteristic of non-circular gear transmission mechanism and the kinetic characteristic of slider-crank mechanism.Can obtain different non-circular gear drive characteristics, thereby can obtain the kinetic characteristic of different press ram 4 by the different non-circular gear nodel line shape of design, can satisfy the requirement of user under a lot of special occasions.For example, by using non-circular gear, can obtain certain special kinetic characteristic curve, make that forcing press speed when impulse stroke is slower, speed is very fast during the inoperative stroke, can improve the operating accuracy and the operating efficiency of forcing press.
The method that obtains described non-circular gear nodel line shape comprises the steps:
, establish initiatively that the polar coordinate representation of non-circular gear 5 nodel line curves is r1 (t) and Ф 1 (t), the polar coordinate representation of driven non-circular gear 6 nodel line curves is r2 (t) and Ф 2 (t), the centre-to-centre spacing of described two gears is a, then can obtain following equation group:
Separate above-mentioned equation group, get final product
Initiatively parameter expression is under the polar coordinates of non-circular gear 5 nodel line curves:
Parameter expression is under the polar coordinates of driven non-circular gear 6 nodel line curves:
In sum, active non-circular gear 5 that non-circular gear transmission forcing press of the present invention cooperatively interacts by setting and driven non-circular gear 6 cooperate with described crank 2, thereby realize that kinetic characteristic curve is full of variety accuracy of manufacture height and high efficiency; The method that obtains described non-circular gear nodel line shape is to draw by required press motion characteristic curve inverse, thereby simple.
The above embodiment has only expressed one embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as limitation of the scope of the invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with claims.
Claims (7)
1. non-circular gear transmission forcing press, it comprises power set (1), crank (2), connecting rod (3) and slide block (4), described connecting rod (3) links to each other with described crank (2) and slide block (4), it is characterized in that: also comprise intermeshing active non-circular gear (5) and driven non-circular gear (6), described power set (1) are in transmission connection with described active non-circular gear (5), and described driven non-circular gear (6) is in transmission connection with described crank (2).
2. non-circular gear transmission forcing press according to claim 1 is characterized in that: the nodel line of described active non-circular gear (5) and driven non-circular gear (6) is a non-circular curve.
3. non-circular gear transmission forcing press according to claim 1 and 2, it is characterized in that: described non-circular gear transmission forcing press also comprises clutch (8), and described driven non-circular gear (6) is in transmission connection by described clutch (8) and described crank (2).
4. non-circular gear transmission forcing press according to claim 1 and 2 is characterized in that: described non-circular gear transmission forcing press also comprises brake (9), and described brake (9) is positioned at an end of described crank (2).
5. non-circular gear transmission forcing press according to claim 1 and 2, it is characterized in that: described power set (1) and described active non-circular gear (5) are connected with small pulley (10) and big belt wheel (11) respectively, are with driving-belt (12) on described small pulley (10) and the big belt wheel (11).
6. non-circular gear transmission forcing press according to claim 1 and 2 is characterized in that: described power set (1) are motors.
7. the preparation method of a non-circular gear nodel line shape is characterized in that, comprises the steps:
, according to the press motion characteristic curve of user's request and the kinetic characteristic curve of slider-crank mechanism, obtain the rotating speed W2(t of crank (2));
, initiatively the polar coordinate representation of non-circular gear (5) nodel line curve is r1 (t) and Ф 1 (t), the polar coordinate representation of driven non-circular gear (6) nodel line curve is r2 (t) and Ф 2 (t), the centre-to-centre spacing of described two gears is a, by following calculating formula:
Obtain that parameter is under the polar coordinates of non-circular gear (5) nodel line curve initiatively:
Parameter is under the polar coordinates of driven non-circular gear (6) nodel line curve:
?。
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| CN2011100561619A CN102179949A (en) | 2011-03-09 | 2011-03-09 | Non-circular gear transmission press and method for obtaining shape of non-circular gear nodal line |
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| CN2011100561619A CN102179949A (en) | 2011-03-09 | 2011-03-09 | Non-circular gear transmission press and method for obtaining shape of non-circular gear nodal line |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745647A (en) * | 2013-12-25 | 2014-04-23 | 辽宁科技学院 | Teaching aid capable of reflecting non-circular gear drive ratio |
| CN103879002A (en) * | 2012-12-21 | 2014-06-25 | 南通太和机械集团有限公司 | Crank punching machine |
| CN105263699A (en) * | 2013-05-28 | 2016-01-20 | 许勒压力机有限责任公司 | Method for controlling press with variable gear ratio |
| CN105546046A (en) * | 2016-01-28 | 2016-05-04 | 北京星达科技发展有限公司 | Non-circular gear set and transmission structure for pump |
| CN107443783A (en) * | 2017-09-27 | 2017-12-08 | 青岛鑫顺杰锻压科技有限公司 | A kind of high-speed fine press |
| CN113680876A (en) * | 2021-08-12 | 2021-11-23 | 武汉理工大学 | Nine-rod reinforcement type servo hot stamping press with non-circular gear |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1392044A (en) * | 2002-07-31 | 2003-01-22 | 上海工程技术大学 | Elliptical gear press without crank |
| CN2571574Y (en) * | 2002-07-31 | 2003-09-10 | 上海工程技术大学 | Multi-function ellipse gear press |
| CN101244474A (en) * | 2008-03-25 | 2008-08-20 | 东华大学 | Numerical control gear hobbing method for processing helical teeth elliptic gear and helical teeth non-circular gear |
| CN201998456U (en) * | 2011-03-09 | 2011-10-05 | 东莞华中科技大学制造工程研究院 | Non-circular gear drive press machine |
-
2011
- 2011-03-09 CN CN2011100561619A patent/CN102179949A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1392044A (en) * | 2002-07-31 | 2003-01-22 | 上海工程技术大学 | Elliptical gear press without crank |
| CN2571574Y (en) * | 2002-07-31 | 2003-09-10 | 上海工程技术大学 | Multi-function ellipse gear press |
| CN101244474A (en) * | 2008-03-25 | 2008-08-20 | 东华大学 | Numerical control gear hobbing method for processing helical teeth elliptic gear and helical teeth non-circular gear |
| CN201998456U (en) * | 2011-03-09 | 2011-10-05 | 东莞华中科技大学制造工程研究院 | Non-circular gear drive press machine |
Non-Patent Citations (1)
| Title |
|---|
| 郭承志: "非圆齿轮节曲线的设计方法、CAD及应用研究", 《中国优秀硕士论文全文数据库》, no. 3, 31 December 2004 (2004-12-31) * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879002A (en) * | 2012-12-21 | 2014-06-25 | 南通太和机械集团有限公司 | Crank punching machine |
| CN105263699A (en) * | 2013-05-28 | 2016-01-20 | 许勒压力机有限责任公司 | Method for controlling press with variable gear ratio |
| CN103745647A (en) * | 2013-12-25 | 2014-04-23 | 辽宁科技学院 | Teaching aid capable of reflecting non-circular gear drive ratio |
| CN103745647B (en) * | 2013-12-25 | 2016-06-08 | 辽宁科技学院 | The teaching aid of non-circular gear drive ratio can be reflected |
| CN105546046A (en) * | 2016-01-28 | 2016-05-04 | 北京星达科技发展有限公司 | Non-circular gear set and transmission structure for pump |
| CN105546046B (en) * | 2016-01-28 | 2018-03-27 | 北京星达科技发展有限公司 | Non-circular gear group and pump drive mechanism |
| CN107443783A (en) * | 2017-09-27 | 2017-12-08 | 青岛鑫顺杰锻压科技有限公司 | A kind of high-speed fine press |
| CN113680876A (en) * | 2021-08-12 | 2021-11-23 | 武汉理工大学 | Nine-rod reinforcement type servo hot stamping press with non-circular gear |
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Owner name: HUAZHONG UNIVERSITY OF SCIENCE + TECHNOLOGY JIANGS Free format text: FORMER OWNER: HUAZHONG UNIVERSITY OF SCIENCE + TECHNOLOGY Effective date: 20121019 |
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Inventor after: Shao Xinyu Inventor after: Huang Yu Inventor after: Duan Zhengcheng Inventor after: Deng Jianchun Inventor after: Zhu Guoli Inventor after: Gong Shihua Inventor after: Ke Zunmang Inventor after: Lu Xinjian Inventor before: Shao Xinyu Inventor before: Huang Yu Inventor before: Duan Zhengcheng Inventor before: Deng Jianchun Inventor before: Zhu Guoli Inventor before: Gong Shihua |
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Free format text: CORRECT: INVENTOR; FROM: SHAO XINYU HUANG YU DUAN ZHENGCHENG DENG JIANCHUN ZHU GUOLI GONG SHIHUA TO: SHAO XINYU HUANG YU DUAN ZHENGCHENG DENG JIANCHUN ZHU GUOLI GONG SHIHUA KE ZUNMANG LU XINJIAN |
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Effective date of registration: 20121019 Address after: 523770, science and Technology Industrial Park, Songshan Lake Science and technology, Guangdong, Dongguan Province, No. nine, No. 1 Applicant after: DG-HUST Manufacturing Engineering Institute Applicant after: Huazhong University of Science and Technology Applicant after: Jiangsu Xuzhou Forging Machine Tool Plant Group Co., Ltd. Address before: 523770, science and Technology Industrial Park, Songshan Lake Science and technology, Guangdong, Dongguan Province, No. nine, No. 1 Applicant before: DG-HUST Manufacturing Engineering Institute Applicant before: Huazhong University of Science and Technology |
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Application publication date: 20110914 |