CN103057143A - A two-point servo press transmission mechanism - Google Patents
A two-point servo press transmission mechanism Download PDFInfo
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- CN103057143A CN103057143A CN2013100089769A CN201310008976A CN103057143A CN 103057143 A CN103057143 A CN 103057143A CN 2013100089769 A CN2013100089769 A CN 2013100089769A CN 201310008976 A CN201310008976 A CN 201310008976A CN 103057143 A CN103057143 A CN 103057143A
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- right sides
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- bent axle
- eccentric shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims description 8
- 241001275902 Parabramis pekinensis Species 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 8
- 210000004907 gland Anatomy 0.000 description 5
- 238000004080 punching Methods 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The invention discloses a transmission mechanism of a double-point servo press, which comprises servo motors, a transmission shaft, a gear box, a pinion, a gearwheel, an inner connecting rod, a driving rod, a left crankshaft, a right crankshaft and a left eccentric shaft. The invention has simple structure and can meet various process requirements. Because of adopting the double-crank multi-connecting-rod mechanism, the stamping time is prolonged, the stamping speed is reduced, the speed during return stroke is obviously improved, and the quality and the efficiency of stamping parts are improved. When the speed of the sliding block is increased, reverse balance mechanisms are additionally arranged on two sides to balance the inertia force in the moving process of the sliding block.
Description
Technical field
The present invention relates to a kind of forcing press transmission mechanism, specifically a kind of two point servo-pressing machine transmission mechanism.
Background technology
For large-scale straight side double crank press, high slip electric motor flywheel driven, the clutch/brake of adopting drive 2～3 grades of gear drives that vertical direction is arranged more, be converted into the linear reciprocating motion of slide block with rotatablely moving, because internal gear is numerous, rely on eccentric gear to produce required design runlength in addition, therefore settle the entablature height dimension of transmission system large.For improving ram efficiency, need in transmission system, arrange multi-connecting-rod mechanism (ram speed reduces when realizing punching press, Speed improving during backhaul), cause transmission system further complicated.When needs dwindle stroke (in 50mm) when adapting to quick punching press demand, because too much gear in the transmission system, noise further improves, have much difficulty in healing weighing apparatus so machine tool structure bad adaptability of inertia force in the slide block movement process.Because conventional motor can only be the integral cycle rotating pattern, can not adapt to multiple Sheet Metal Forming Technology demand.
Summary of the invention
Problem for above-mentioned prior art existence, the invention provides a kind of two point servo-pressing machine transmission mechanism, this mechanism structure is simple, the entablature height is little, and behind the Speed improving, noise is starkly lower than traditional structure, the punching press time is long, drawing velocity is lower, and opening speed significantly improves simultaneously, is conducive to improve stamping parts quality and ram efficiency.In addition, after ram speed improves, the inertia force in can the balance slide block motion process.
To achieve these goals, a kind of two point servo-pressing machine of the present invention transmission mechanism, comprise servomotor, power transmission shaft, gear-box, pinion, gear wheel, inside connecting rod, drive rod, left and right sides bent axle/left and right sides eccentric shaft, two servomotors are fixed on the gear-box, gear-box is installed in entablature inside, two servomotors drive gear wheel by the pinion on the power transmission shaft, gear wheel drives the inside connecting rod swing by the gear pin of installing within it, inside connecting rod drives the drive rod rotation by the link pin that is installed in the drive rod, the drive rod both sides drive left and right sides bent axle/left and right sides eccentric shaft rotation simultaneously, left and right sides bent axle/left and right sides eccentric shaft lateral arrangement, when driving left avertence axle and right avertence axle, the eccentric shaft two axial ends is installed reverse bascule in the left and right sides, comprise eccentric bushing, balancing weight, slave connecting rod and knuckle-pin, eccentric bushing is installed in the eccentric shaft axle head, passes through slave connecting rod, knuckle-pin drives balancing weight and pumps.
Double-crankshaft of the present invention/eccentric shaft lateral arrangement has reduced the entablature height; By driven by servomotor gear-box (one-level gear drive), drive simultaneously eccentric shaft/bent axle by the gear-box left and right sides again, realization is converted into rotatablely moving of servomotor the straight reciprocating motion of slide block, a pair of gear is only arranged in the gear-box, simple in structure, behind Speed improving, noise is starkly lower than traditional structure; The built-in double-crank mechanism of gear wheel in the one-level gear drive, Speed Reduction when realizing punching press, Speed improving during backhaul can further improve drawing velocity, thereby raises the efficiency, the moment of torsion when having reduced simultaneously punching press; When machine tool travel increases, only need to change bent axle, in the time of in stroke narrows down to 50mm, also bent axle can be replaced by eccentric shaft, install reverse bascule additional at eccentric axle head simultaneously, reduce inertia force, can guarantee inertia equilibrium of forces in the slide block movement process.The effect of servomotor is realize rotating speed controlled, and multiple-working mode can be provided, and compared to the conventional motor that can only be the integral cycle rotating pattern, adopts servomotor can adapt to the kinds of processes demand.
Description of drawings
Fig. 1 is the structure chart of the first embodiment of the present invention;
Fig. 2 is the A part enlarged diagram of Fig. 1;
Fig. 3 is the structure chart of the second embodiment of the present invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
The embodiment of the invention one as depicted in figs. 1 and 2, two servomotors 1 are fixed by screws on the motor plate 4, the motor plate 4 of the left and right sides is connected respectively on gear-box 6 both sides by screw, gear-box 6 is installed in entablature 11 inside by screw, cover plate 5 is installed on the gear-box 6, prevents that lubricating oil from throwing away.Servomotor 1 is connected with power transmission shaft 3 by ringfeder 2 or key, and the speed-changing rotation motion is delivered on the power transmission shaft 3, and power transmission shaft 3 is realized supporting by the self-aligning roller bearing 9 that is installed in the motor plate 4.Because ringfeder 2 has long service life, intensity is high, and ringfeder 2 relies on frictional drive, does not have keyway to weaken to connected piece, also without relative motion, can not produce the advantages such as wearing and tearing in the work, and the preferred servomotor 1 of the present invention is connected with power transmission shaft 3 by ringfeder 2.A pair of gear is contained in the gear-box 6, and pinion 7 is contained on the power transmission shaft 3, realizes axial limiting by the shaft shoulder on the power transmission shaft 3 and spacer 10 by key 8.Pinion 7 drives the geometric center rotation of the eccentric gland 27 of gear wheels 17 in being installed in gear-box 6, and gear wheel watts 26 is installed in the endoporus of gear wheel 17, contacts with eccentric gland 27.Gear wheel 17 is coaxial with the inboard round platform of eccentric gland 27, the hole disalignment of inboard round platform and eccentric gland 27.Gear wheel 17 drives inside connecting rod 20 swings by the gear pin 19 of installing within it, the swing of inside connecting rod 20 drives drive rod 24 rotations by the link pin 23 that is installed in the drive rod 24, and inside connecting rod 20 contacts with link pin 23 with gear pin 19 respectively with connecting rod bearing shell second 22 by connecting rod bearing shell first 21.Drive rod watts 25 is installed on the eccentric gland 27, contacts with drive rod 24.Drive rod 24 both sides drive left bent axle 14 and 18 rotations of right bent axle simultaneously by spline or key.Left bent axle 14 and right bent axle 18 respectively be installed in entablature 11 in middle brasses 16, the side brasses 15 that is installed in the bearing block 12 contact, realize supporting.Bearing block 12 is installed on the entablature 11 by screw, and door 13 is installed in bearing block 12 outsides, prevents that lubricating oil is excessive.
Fig. 3 is another embodiment of the invention.When crankshaft stroke reduces, in 50mm, need left bent axle 14, right bent axle 18 are replaced by left avertence axle 28, right avertence axle 29.Left and right sides eccentric shaft 28,29 is connected by screw with eccentric bushing 30, and realizes the location by means of the round platform in the left and right sides eccentric shaft 28,29.Eccentric bushing 30 can be realized the revolution balance to left and right sides eccentric shaft 28,29.Eccentric bushing 30 pumps the inertia force that produces in the balance master slider rapid movement process by the knuckle-pin 35 realization balancing weights 31 of slave connecting rod 32 drive installations in balancing weight 31.Slave connecting rod 32 contacts with knuckle-pin 35 with eccentric bushing 30 respectively with cylinder roller bearing 34 by slave connecting rod watts 33.Balancing weight watts 37 is installed in the balancing weight 31, contact with the guide pillar 38 that is installed between entablature 11 and the case 36 by nut 39, realization realizes guiding to pumping of balancing weight 31, and case 36 is closed slave connecting rod 31 parts such as grade, prevents that lubricating oil from leaking and contamination by dust.
Claims (4)
1. two point servo-pressing machine transmission mechanism, it is characterized in that: comprise servomotor (1), power transmission shaft (3), gear-box (6), pinion (7), gear wheel (17), inside connecting rod (20), drive rod (24), left and right sides bent axle (14,18)/left and right sides eccentric shaft (28,29), two servomotors (1) are fixed on the gear-box (6), gear-box (6) is installed in entablature (11) inside, two servomotors (1) drive gear wheel (17) by the pinion (7) on the power transmission shaft (3), gear wheel (17) drives inside connecting rod (20) swing by the gear pin (19) of installing within it, inside connecting rod (20) drives drive rod (24) rotation by the link pin (23) that is installed in the drive rod (24), drive rod (24) both sides drive left and right sides bent axle (14 simultaneously, 18)/left and right sides eccentric shaft (28,29) rotation, left and right sides bent axle (14,18)/left and right sides eccentric shaft (28,29) lateral arrangement, when driving left avertence axle (28) and right avertence axle (29), in left and right sides eccentric shaft (28,29) two axial ends is installed reverse bascule, comprise eccentric bushing (30), balancing weight (31), slave connecting rod (32) and knuckle-pin (35), eccentric bushing (30) is installed in eccentric shaft (28,29) axle head is by slave connecting rod (32), knuckle-pin (35) drives balancing weight (31) and pumps.
2. two point servo-pressing machine transmission mechanism according to claim 1, it is characterized in that: described left bent axle (14) and right bent axle (18) respectively be installed in entablature (11) in middle brasses (16), the side brasses (15) that is installed in the bearing block (12) contact, bearing block (12) is installed on the entablature (11) by screw, and door (13) is installed in bearing block (12) outside.
3. two point servo-pressing machine transmission mechanism according to claim 1 and 2, it is characterized in that: described two servomotors (1) that are installed on the motor plate (4), be connected in the left and right sides with power transmission shaft (3) by ringfeder (2), motor plate (4) is installed in gear-box (6) both sides by screw.
4. two point servo-pressing machine transmission mechanism according to claim 1 and 2 is characterized in that: described drive rod (24) is connected with left and right sides bent axle (14,18)/left and right sides eccentric shaft (28,29) respectively by spline or key (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100089769A CN103057143A (en) | 2013-01-10 | 2013-01-10 | A two-point servo press transmission mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100089769A CN103057143A (en) | 2013-01-10 | 2013-01-10 | A two-point servo press transmission mechanism |
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| CN103057143A true CN103057143A (en) | 2013-04-24 |
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| CN2013100089769A Pending CN103057143A (en) | 2013-01-10 | 2013-01-10 | A two-point servo press transmission mechanism |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346125A (en) * | 2015-12-03 | 2016-02-24 | 宁波博信机械制造有限公司 | Double-point eccentric gear type multi-linkage mechanism for punch press |
| CN107139516A (en) * | 2017-06-20 | 2017-09-08 | 西安交通大学 | A kind of modular punching machine unit head |
| CN109248984A (en) * | 2018-10-22 | 2019-01-22 | 江苏双赢锻压机床有限公司 | A kind of fine press upper beam structure |
| CN110202814A (en) * | 2019-07-05 | 2019-09-06 | 天津恒兴机械设备有限公司 | A kind of four point pressure machine of servo-closed type |
| CN111570572A (en) * | 2020-06-16 | 2020-08-25 | 冠壹机械设备（深圳）有限公司 | Transmission structure and all-electric servo direct-drive bending machine comprising same |
| CN114248483A (en) * | 2021-12-20 | 2022-03-29 | 重庆江东机械有限责任公司 | A main transmission structure of a double-action high-speed precision punch |
| CN115213334A (en) * | 2022-08-01 | 2022-10-21 | 中锻智能装备设计院(青岛)有限公司 | Closed height compensation device of die forging machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1134349A (en) * | 1995-04-28 | 1996-10-30 | Aida会田工程技术株式会社 | Multi-connecting rod press |
| JPH1128595A (en) * | 1997-07-08 | 1999-02-02 | Aida Eng Ltd | Driving device for two point press machine |
| EP0972630A2 (en) * | 1998-07-17 | 2000-01-19 | Kabushiki Kaisha Yamada Dobby | Press machine |
| CN201350691Y (en) * | 2009-02-14 | 2009-11-25 | 宁波米斯克精密机械工程技术有限公司 | Dynamic balancing device for punch |
| CN102555255A (en) * | 2011-12-03 | 2012-07-11 | 徐州开蓝信息科技有限公司 | Modular high-speed punching power drive system |
| CN203046277U (en) * | 2013-01-10 | 2013-07-10 | 江苏省徐州锻压机床厂集团有限公司 | Two-point servo press transmission mechanism |
-
2013
- 2013-01-10 CN CN2013100089769A patent/CN103057143A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1134349A (en) * | 1995-04-28 | 1996-10-30 | Aida会田工程技术株式会社 | Multi-connecting rod press |
| JPH1128595A (en) * | 1997-07-08 | 1999-02-02 | Aida Eng Ltd | Driving device for two point press machine |
| EP0972630A2 (en) * | 1998-07-17 | 2000-01-19 | Kabushiki Kaisha Yamada Dobby | Press machine |
| CN201350691Y (en) * | 2009-02-14 | 2009-11-25 | 宁波米斯克精密机械工程技术有限公司 | Dynamic balancing device for punch |
| CN102555255A (en) * | 2011-12-03 | 2012-07-11 | 徐州开蓝信息科技有限公司 | Modular high-speed punching power drive system |
| CN203046277U (en) * | 2013-01-10 | 2013-07-10 | 江苏省徐州锻压机床厂集团有限公司 | Two-point servo press transmission mechanism |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346125A (en) * | 2015-12-03 | 2016-02-24 | 宁波博信机械制造有限公司 | Double-point eccentric gear type multi-linkage mechanism for punch press |
| CN107139516A (en) * | 2017-06-20 | 2017-09-08 | 西安交通大学 | A kind of modular punching machine unit head |
| CN109248984A (en) * | 2018-10-22 | 2019-01-22 | 江苏双赢锻压机床有限公司 | A kind of fine press upper beam structure |
| CN110202814A (en) * | 2019-07-05 | 2019-09-06 | 天津恒兴机械设备有限公司 | A kind of four point pressure machine of servo-closed type |
| CN111570572A (en) * | 2020-06-16 | 2020-08-25 | 冠壹机械设备（深圳）有限公司 | Transmission structure and all-electric servo direct-drive bending machine comprising same |
| CN114248483A (en) * | 2021-12-20 | 2022-03-29 | 重庆江东机械有限责任公司 | A main transmission structure of a double-action high-speed precision punch |
| CN115213334A (en) * | 2022-08-01 | 2022-10-21 | 中锻智能装备设计院(青岛)有限公司 | Closed height compensation device of die forging machine |
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Application publication date: 20130424 |