CN103419387A - High-speed precise numerical control press mechanism with driving and driven combination drive - Google Patents
High-speed precise numerical control press mechanism with driving and driven combination drive Download PDFInfo
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- CN103419387A CN103419387A CN2013103755954A CN201310375595A CN103419387A CN 103419387 A CN103419387 A CN 103419387A CN 2013103755954 A CN2013103755954 A CN 2013103755954A CN 201310375595 A CN201310375595 A CN 201310375595A CN 103419387 A CN103419387 A CN 103419387A
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Abstract
The invention provides a high-speed precise numerical control press mechanism with driving and driven combination drive. A crankshaft is simple in design structure and easy to process, force bearing points are few, heating sources are reduced, and the running speed of the high-speed precise numerical control press mechanism is improved. The mechanism comprises the crankshaft, a main sliding block and two auxiliary sliding blocks, wherein the crankshaft is connected with the main sliding block through a connecting rod; two groups of lever motions are separately arranged to connect the auxiliary sliding blocks with the main sliding block; the auxiliary sliding blocks are not directly connected with the crankshaft.
Description
Technical field
The invention belongs to the mechanical pressure manufacture field, be specifically related to a kind of high speed accurate numerical control press mechanism.
Background technology
Sheet Metal Forming Technology is a kind ofly sheet material, band etc. is applied to external force to be equipped with ancillary technique again and to make it to produce plastic deformation or separation, thereby obtain, reaches the part shape of specification requirement, the processing technology of size.With other technique, compare, punch machining process has that cost is low, easy to operate, quality is good, precision is high, the efficiency advantages of higher.High velocity ram machine is as a kind of efficient, high-accuracy and punch machining equipment for automotive that automaticity is high, and drawing velocity is per minute up to even thousands of times of hundreds of, so its production efficiency exceeds tens times of even hundreds of times compared to common punch press.
At present, the theory structure great majority of high speed accurate numerical control press mechanism are all directly to configure in the reverse direction crank block structure (the Zhao Sheng ton of the secondary slide block of balance, open and learn, Gao Changyu, Liu Wei, open forever. high-speed blanking press inertial force balancing device and characteristic research thereof (two), " equipment " 2005,5:14-20).The shortcoming of this structure is: bent axle directly drives respectively master slider and secondary slide block by connecting rod and slave connecting rod simultaneously, connects the crank throw of master slider and crank throw phase phasic difference 180 degree of auxiliary connection slide block, causes the crankshaft structure complexity, and processing technology is also very complicated; The revolute that drives the crank throw place of master slider and secondary slide block on bent axle is all that complete cycle rotates, and becomes main pyrotoxin under the state of running up, and caloric value is larger; The load such as the inertia force of master slider and secondary slide block, stamping press, driving force are all finally by bent axle, to be born, and the bent axle stress point is many and complicated, very high to the requirement of the mechanical characteristic of bent axle.
Summary of the invention
The present invention proposes the high speed accurate numerical control press mechanism of the moving compound driving of a kind of main quilt, and its crankshaft designs is simple in structure, be easy to processing, stress point is few, reduced pyrotoxin, improves the speed of service of high speed accurate numerical control press mechanism.
In order to solve the problems of the technologies described above, the invention provides the high speed accurate numerical control press mechanism of the moving compound driving of a kind of main quilt, comprise bent axle, master slider, the first secondary slide block, the second secondary slide block, it is characterized in that:
Described bent axle is that the hyperbolic with same-phase crank throw turns bent axle;
Described punch body also comprises first connecting rod, second connecting rod, eccentric massblock, third connecting rod, the first lever, the 4th connecting rod, the 5th connecting rod, the second lever, the 6th connecting rod;
Bent axle is arranged on punch press body and with respect to fuselage and can rotates with the horizontal level left and right directions, and eccentric massblock is fixedly mounted on bent axle with the direction that becomes 180 degree with respect to crank throw, and master slider is arranged vertically on fuselage and is positioned under bent axle;
One end of first connecting rod and second connecting rod is connected with revolute pair with two crank throws on bent axle respectively, and the other end of first connecting rod and second connecting rod is connected with kinematic pair with master slider respectively;
The first secondary slide block and the second secondary slide block be arranged vertically on punch press body and be positioned at both sides, crank up center above;
The central pivot point of the central pivot point of the first lever and the second lever is connected with punch press body by revolute pair respectively, master slider is connected with an end of the first lever by third connecting rod, the first secondary slide block is connected with the other end of the first lever by the 4th connecting rod, master slider, third connecting rod, the first lever, the 4th connecting rod all is connected by revolute pair between any two with the first secondary slide block, form first group of leverage, master slider is connected with an end of the second lever by the 5th connecting rod, the second secondary slide block is connected with the other end of the second lever by the 6th connecting rod, master slider, the 5th connecting rod, the second lever, the 6th connecting rod all is connected by revolute pair between any two with the second secondary slide block, form second group of leverage,
First group of leverage with in second group of leverage, for each revolute pair axis be connected, be parallel to each other.
The present invention compared with prior art, its remarkable advantage is by two groups of leverages are set separately, secondary slide block to be connected with master slider, secondary slide block directly is not connected with bent axle, bent axle only need have unidirectional crank throw like this, simplified the structure of bent axle, and further reduced the difficult processing of bent axle, reduced stressed from secondary slide block of bent axle simultaneously.Revolute pair in two groups of leverages of the secondary slide block movement of the driving arranged is separately all moved without doing complete cycle, thereby has reduced pyrotoxin.The bent axle stress point reduces, and pyrotoxin reduces, and is conducive to the raising of high speed accurate numerical control press dynamic accuracy.
The accompanying drawing explanation
Fig. 1 is the high speed accurate numerical control press mechanism structure schematic diagram of the moving compound driving of main quilt of the present invention, and wherein, Fig. 1 (a) is this structural front view, and Fig. 1 (b) is this structure side view.
Fig. 2 is the another kind of structural representation of the high speed accurate numerical control press mechanism of the moving compound driving of main quilt of the present invention.
The specific embodiment
As Fig. 1 (a) is the high speed accurate numerical control press mechanism structure schematic diagram of the moving compound driving of main quilt of the present invention.The high speed accurate numerical control press mechanism of the moving compound driving of main quilt, comprise bent axle 1, the secondary slide block 72 of the secondary slide block 71, second of master slider 3, first, first connecting rod 21, second connecting rod 22, eccentric massblock 8, third connecting rod 41, the first lever 51, the 4th connecting rod 61, the 5th connecting rod 42, the second lever 52, the 6th connecting rod 62, bent axle 1 is arranged on punch press body and with respect to fuselage and can rotates with the horizontal level left and right directions, and eccentric massblock 8 is fixedly mounted on bent axle 1 with the direction that becomes 180 degree with respect to crank throw, and master slider 3 is arranged vertically on fuselage and is positioned under bent axle 1, one end of first connecting rod 21 and second connecting rod 22 is connected with revolute pair with two crank throws on bent axle 1 respectively, and the other end of first connecting rod 21 and second connecting rod 22 is connected with kinematic pair with master slider 3 respectively, the first secondary slide block 71 and the second secondary slide block 72 be arranged vertically on punch press body and be positioned at bent axle 1 centre of gyration both sides above, the central pivot point 91 of the first lever 51 is connected with punch press body by revolute pair respectively with the central pivot point 92 of the second lever 52, master slider 3 is connected with an end of the first lever 51 by third connecting rod 41, the first secondary slide block 71 is connected with the other end of the first lever 51 by the 4th connecting rod 61, master slider 3, third connecting rod 41, the first lever 51, the 4th connecting rod 61 all is connected by revolute pair between any two with the first secondary slide block 71, form first group of leverage, master slider 3 is connected with an end of the second lever 52 by the 5th connecting rod 42, the second secondary slide block 72 is connected with the other end of the second lever 52 by the 6th connecting rod 62, master slider 3, the 5th connecting rod 42, the second lever 52, the 6th connecting rod 62 all is connected by revolute pair between any two with the second secondary slide block 72, form second group of leverage, first group of leverage with in second group of leverage, for each revolute pair axis be connected, be parallel to each other.
First group of leverage and second group of leverage are distributed in the both sides of bent axle 1, in front view shown in Fig. 1 (a), third connecting rod 41 and the 5th connecting rod 42, the first lever 51 and the second lever 52, the 4th connecting rod 61 and the secondary slide block 71 of the 6th connecting rod 62, first and the second secondary slide block 72 overlap.Bent axle 1 is connected with master slider 3 with second connecting rod 22 by first connecting rod 21, and in shown in Fig. 1 b, surveying view, first connecting rod 21 and second connecting rod 22 overlap.
Further, described first group of leverage and each revolute pair axis for being connected in second group of leverage, be parallel to the pivot center of bent axle 1, or horizontally disposed and perpendicular to the pivot center of bent axle 1.
Further, the kinematic pair of described connection first connecting rod 21, second connecting rod 22 and master slider 3, be specifically as follows revolute pair or ball pivot.
Further, as shown in Figure 2, described first group of leverage and second group of leverage are arranged symmetrically in the both sides of bent axle 1, or antisymmetry is arranged in the both sides of bent axle 1.
During work, bent axle 1 pumps by first connecting rod 21 and the common master slider 3 that drives of second connecting rod 22, and pumping of master slider 3 just can directly complete Punching Process.When master slider 3 moves downward, drive respectively the first lever 51 and the second lever 5 rotates by third connecting rod 41 and the 5th connecting rod 42, be connected to the 4th connecting rod 61 of the first lever 51 and second lever 52 other ends and the 6th connecting rod 62 drives respectively the first secondary slide block 71 again and the second secondary slide block 72 moves upward.When master slider 3 moves upward, drive respectively the first lever 51 and the second lever 52 rotates by third connecting rod 41 and the 5th connecting rod 42, be connected to the 4th connecting rod 61 of the first lever 51 and second lever 52 other ends and the 6th connecting rod 62 drives respectively the first secondary slide block 71 again and the second secondary slide block 72 moves downward.The direction of motion of the first secondary slide block 71 and the second secondary slide block 72 is contrary with the direction of motion of master slider 3, but the inertia force of balance master slider 3.The eccentric inertia force of crank throw 1 is by being arranged on eccentric massblock 8 balances on bent axle 1.Solve well equilibrium problem by above-mentioned two kinds of balance modes.Bent axle 1 is without directly driving the first secondary slide block 71 and the second secondary slide block 72, thereby reduced bent axle 1 from connecing the stressed of the first secondary slide block 71 and the second secondary slide block 72.Drive revolute pair in two groups of leverages of secondary slide block movement all without doing the complete cycle motion simultaneously, thereby reduced pyrotoxin.
Claims (7)
1. the high speed accurate numerical control press mechanism of the moving compound driving of main quilt, comprise bent axle (1), master slider (3), the first secondary slide block (71), the second secondary slide block (72), it is characterized in that:
Described bent axle 1 is that the hyperbolic with same-phase crank throw turns bent axle;
Described punch body also comprises first connecting rod (21), second connecting rod (22), eccentric massblock (8), third connecting rod (41), the first lever (51), the 4th connecting rod (61), the 5th connecting rod (42), the second lever (52), the 6th connecting rod (62);
Bent axle (1) is arranged on punch press body and with respect to fuselage and can rotates with the horizontal level left and right directions, it is upper that eccentric massblock (8) is fixedly mounted on bent axle (1) with the direction that becomes 180 degree with respect to crank throw, and master slider (3) is arranged vertically on fuselage and is positioned under bent axle (1);
One end of first connecting rod (21) and second connecting rod (22) is connected with revolute pair with two crank throws on bent axle (1) respectively, and the other end of first connecting rod (21) and second connecting rod (22) is connected with kinematic pair with master slider (3) respectively;
The first secondary slide block (71) and the second secondary slide block (72) are arranged vertically on punch press body and are positioned at the top of bent axle (1) centre of gyration both sides;
The central pivot point (91) of the first lever (51) and the central pivot point (92) of the second lever (52) are connected with punch press body by revolute pair respectively, master slider (3) is connected with an end of the first lever (51) by third connecting rod (41), the first secondary slide block (71) is connected with the other end of the first lever (51) by the 4th connecting rod (61), master slider (3), third connecting rod (41), the first lever (51), the 4th connecting rod (61) all is connected by revolute pair between any two with the first secondary slide block (71), form first group of leverage, master slider (3) is connected with an end of the second lever (52) by the 5th connecting rod (42), the second secondary slide block (72) is connected with the other end of the second lever (52) by the 6th connecting rod (62), master slider (3), the 5th connecting rod (42), the second lever (52), the 6th connecting rod (62) all is connected by revolute pair between any two with the second secondary slide block (72), form second group of leverage,
First group of leverage with in second group of leverage, for each revolute pair axis be connected, be parallel to each other.
2. the high speed accurate numerical control press mechanism of the moving compound driving of main quilt according to claim 1 is characterized in that: described first group of leverage with in second group of leverage for each turns auxiliary shaft line parallel of being connected in the pivot center of bent axle (1).
3. the high speed accurate numerical control press mechanism of the moving compound driving of main quilt according to claim 1 is characterized in that: described first group of leverage is with horizontally disposed and perpendicular to the pivot center of bent axle (1) for each revolute pair axis be connected in second group of leverage.
4. main quilt according to claim 1 is moved the high speed accurate numerical control press mechanism of compound driving, it is characterized in that: described connection first connecting rod (21), second connecting rod (22) are revolute pair with the kinematic pair of master slider (3).
5. main quilt according to claim 1 is moved the high speed accurate numerical control press mechanism of compound driving, it is characterized in that: described connection first connecting rod (21), second connecting rod (22) are ball pivot with the kinematic pair of master slider (3).
6. the high speed accurate numerical control press mechanism of the moving compound driving of main quilt according to claim 1 is characterized in that: described first group of leverage and second group of leverage are arranged symmetrically in the both sides of bent axle (1).
7. the high speed accurate numerical control press mechanism of the moving compound driving of main quilt according to claim 1 is characterized in that: described first group of leverage and second group of leverage antisymmetry are arranged in the both sides of bent axle (1).
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109203536A (en) * | 2018-10-10 | 2019-01-15 | 南京理工大学 | A kind of double lever dieing machine mechanism |
CN109318518A (en) * | 2018-10-10 | 2019-02-12 | 南京理工大学 | A kind of enclosed Duo Gan dieing machine mechanism |
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JPH11245088A (en) * | 1997-12-12 | 1999-09-14 | Bruderer Ag | Press, especially punch press |
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CN101219581A (en) * | 2008-01-21 | 2008-07-16 | 中山市胜龙锻压机械有限公司 | High speed accurate numerical control press |
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CN202208113U (en) * | 2011-07-22 | 2012-05-02 | 广东锻压机床厂有限公司 | Dynamic balance system of a high-speed precise pressing machine |
CN102975386A (en) * | 2012-11-27 | 2013-03-20 | 南京理工大学 | High-speed precise numerical-control stamping machine mechanismstructure capable of realizing dynamic lower dead point precision compensation |
CN203510736U (en) * | 2013-08-27 | 2014-04-02 | 南京理工大学 | High-speed precision numerical control punch mechanism driven actively and passively in combined mode |
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2013
- 2013-08-27 CN CN201310375595.4A patent/CN103419387B/en active Active
Patent Citations (7)
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JPH11245088A (en) * | 1997-12-12 | 1999-09-14 | Bruderer Ag | Press, especially punch press |
JP2002144094A (en) * | 2000-11-13 | 2002-05-21 | Yamada Dobby Co Ltd | Press machine |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109203536A (en) * | 2018-10-10 | 2019-01-15 | 南京理工大学 | A kind of double lever dieing machine mechanism |
CN109318518A (en) * | 2018-10-10 | 2019-02-12 | 南京理工大学 | A kind of enclosed Duo Gan dieing machine mechanism |
CN109203536B (en) * | 2018-10-10 | 2021-05-07 | 南京理工大学 | Double-lever high-speed precision punch mechanism |
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