CN103552266A - High-frequency small-load mechanical hydraulic compound transmission press machine - Google Patents
High-frequency small-load mechanical hydraulic compound transmission press machine Download PDFInfo
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- CN103552266A CN103552266A CN201310478848.0A CN201310478848A CN103552266A CN 103552266 A CN103552266 A CN 103552266A CN 201310478848 A CN201310478848 A CN 201310478848A CN 103552266 A CN103552266 A CN 103552266A
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Abstract
The invention discloses a high-frequency small-load mechanical-hydraulic compound transmission press machine which comprises a servo rotation motor and a hydraulic cylinder and is characterized by further comprising a sealed eccentric mechanism. The sealed eccentric mechanism comprises an eccentric rotary member and a form seal, wherein the eccentric rotary member and the output shaft of the servo rotation motor are fixed, and the eccentric rotary member is assembled into a driving hole of the form seal through a bearing to drive the form seal to move vertically. A piston cavity is formed in the hydraulic cylinder, a piston is arranged in the piston cavity, the lower portion of the form seal is arranged in the piston cavity and positioned above the piston, the bottom of the piston is connected with a piston rod which is positioned in a piston rod cavity, a plurality of reflowing holes for communicating the piston cavity with the piston rod cavity are formed in the piston, and a return spring is arranged between hydraulic cylinder and the position below the piston. The high-frequency small-load mechanical-hydraulic compound transmission press machine has the advantages of a mechanical press machine and a hydraulic press machine: small size, simple structure, low maintenance cost, high production efficiency and control accuracy, low device operation noise, stable work process and large operating stroke.
Description
Technical field
the present invention relates to the mechanical-hydraulic Composite Transmission forcing press of the little load of a kind of high frequency, belong to the press technologies field that machinery is combined with hydraulic pressure.
Background technology
in processing and forming field, mechanical press and hydraulic press machine are two kinds of main process equipments.Traditional mechanical compression motor speed is fast, efficiency is high, but bulky, lacks flexibility, and control accuracy poor operations such as (in) stretchings, and during equipment work, vibration and noise are large, can not reach the needs of multiple processing technology.Although and hydraulic press machine volume is little, control accuracy is high, speed is slow, and impulse stroke is less, causes production efficiency low, and system maintenance difficulty, and fluid is easily revealed, and maintenance cost is higher.In addition, the fluid of conventional hydraulic formula forcing press is realized speedup by outer differential circuit, but fluid larger along stroke pressure loss in differential circuit outside causes the speedup DeGrain of hydraulic cylinder, and increased pipeline and connector cost.For meeting the processing request of multiple and some special process, still need to take into account the requirement that reaches production with two kinds of different forcing presses.
Summary of the invention
the present invention seeks to: the deficiency existing for existing two kinds of forcing presses of mentioning in background technology, and provide the mechanical-hydraulic Composite Transmission forcing press of the little load of a kind of high frequency, it takes into account the advantage of mechanical press and hydraulic press machine: volume is little, simple in structure, maintenance cost is low, and production efficiency and control accuracy high, simultaneously equipment running noises is less, the course of work is steady, and larger impulse stroke is easy to get.
technical scheme of the present invention is: the mechanical-hydraulic Composite Transmission forcing press of the little load of a kind of high frequency, comprise servo turning motor and hydraulic cylinder, characterized by further comprising shape sealing eccentric stiffener, this mechanism comprises eccentric rotary member and shape sealing, the output shaft of described eccentric rotary member and servo turning motor is fixed, and this eccentric rotary member is up and down to drive shape to seal in the drive hole of shape sealing by bearing assemble simultaneously; In described hydraulic cylinder, be provided with plunger shaft, in plunger shaft, be provided with piston, described shape sealing bottom is located in plunger shaft and is positioned at piston top, and piston base is connected with piston rod, described piston rod is positioned at rod end chamber, offers the return port of some connection plunger shaft and rod end chamber on described piston; Between piston below and hydraulic cylinder, be provided with back-moving spring simultaneously.
preferred, return port described in the present invention is matrix and is distributed on piston.The object of offering return port on piston is the speedup that in utilizing, backflow principle realizes hydraulic cylinder, specifically: by offer return port on piston, make the fluid of plunger shaft can flow into rod end chamber under pressure, in the descending process of piston rod, again because the compression area of top land is greater than the compression area of bottom (removing the region of piston rod), be that the pressure that top land is subject to is greater than the pressure that bottom is subject to, thereby accelerated the descending of piston rod, realized hydraulic cylinder speedup.And the design of this interior backflow, the fluid that has also greatly reduced conventional hydraulic formula forcing press can significantly improve speedup effect along stroke pressure loss in differential circuit outside.
further, the slotted hole that drive hole described in the present invention is lateral arrangement in shape sealing, described eccentric rotary member by bearing assemble in described slotted hole.
further, the present invention also comprises lathe base and machine tool support frame, and described machine tool support frame is fixed on lathe base, and described servo turning motor is fixed on machine tool support frame, and described hydraulic cylinder one is connected in machine tool support frame one side.
further, the member of eccentric rotary described in the present invention is eccentric wheel or excentric sleeve.
operation principle of the present invention is as follows: when servo turning electric machine rotation, eccentric rotary member rotates thereupon and drives shape sealing to move up and down by bearing, and the displacement that moves up and down of shape sealing is that 2e(e is the eccentric throw of eccentric rotary member).Now the pressure oil pressurized in hydraulic cylinder, oppresses piston, orders about piston rod descending.Again because offer return port on piston, plunger shaft is communicated with rod end chamber, two cavity pressures equate, under the effect of pressure oil, the fluid of plunger shaft flows into rod end chamber by return port, because the compression area of top land is greater than the compression area of bottom (removing the region of piston rod), the pressure that top land is subject to is greater than the pressure that bottom is subject to again, thereby accelerated the descending of piston rod, realized hydraulic cylinder speedup.When piston rod goes downwards to after certain position, up at effect lower piston and the piston rod of back-moving spring, complete a course of work.The present invention can realize the multiple processing technologys such as the stamping-out of thin slice or shallow stretching.
advantage of the present invention is:
1, the present invention has added hydraulic cylinder on the basis of traditional mechanical press, taken into account the advantage of mechanical press and hydraulic press machine, simple in structure, volume is little, and by introducing servo turning motor, it is controlled that its speed is adjustable, control accuracy is high, this equipment can be met in pressure forming process high frequency and the adjustable multiple processing technology requirement of speed, and applicability is wide, and production efficiency is high; Equipment running noises is less simultaneously, and the course of work is steady, and larger impulse stroke is easy to get.
, the present invention combines the advantage of mechanical press and hydraulic press machine, compare traditional mechanical press, added the hydraulic cylinder with speedup, this hydraulic cylinder internal structure with speedup is simple, there is no hydraulic control component and outer differential circuit, only use back-moving spring and realize speedup with the piston of uniform return port, making the compact conformation of integral body of the present invention, and manufacture and maintenance cost are low.
, the present invention realizes the interior backflow of fluid by design return port on piston, the structural design of this interior backflow, the fluid that has greatly reduced conventional hydraulic formula forcing press outside in differential circuit along stroke pressure loss, can significantly improve the speedup effect of hydraulic cylinder.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the invention will be further described:
fig. 1 is overall structure schematic diagram of the present invention;
fig. 2 is the structural representation of shape sealing eccentric stiffener of the present invention;
the operating principle sketch of the shape sealing eccentric stiffener that Fig. 3 is invention;
fig. 4 is with the piston of return port and the structural representation of upper piston rod thereof in the present invention.
wherein: 1, servo turning motor; 2, hydraulic cylinder; 3, shape sealing eccentric stiffener; 4, eccentric rotary member; 5, shape sealing; 6, bearing; 7, drive hole; 8, piston; 9, piston rod; 10, return port; 11, lathe base; 12, machine tool support frame.
The specific embodiment
embodiment: shown in Fig. 1 ~ Fig. 4, the mechanical-hydraulic Composite Transmission forcing press of the little load of this high frequency provided by the invention, it consists of jointly servo turning motor 1, hydraulic cylinder 2, shape sealing eccentric stiffener 3, piston 8, back-moving spring (invisible in figure), piston rod 9, lathe base 11 and machine tool support frame 12.
machine tool support frame described in the present embodiment 12 is fixed on lathe base 11, and described servo turning motor 1 is fixed on machine tool support frame 12, and described hydraulic cylinder 2 one are connected in machine tool support frame 12 1 sides.Described mechanism in the present embodiment is comprised of eccentric rotary member 4, shape sealing 5 and bearing 6.The member of eccentric rotary described in the present embodiment 4 is excentric sleeve, and it is nested with, and to be fixed on the output shaft (not marking in figure) of servo turning motor 1 upper, and this excentric sleeve is assemblied in the drive hole 7 of shape sealing 5 to drive shape to seal 5 up and down by bearing 6 simultaneously.Above-mentioned drive hole 7 in the present embodiment is the slotted hole of lateral arrangement in shape sealing 5, specifically in conjunction with shown in Fig. 2.
in hydraulic cylinder described in the present embodiment 2, be provided with plunger shaft (invisible in figure), be provided with piston 8 in plunger shaft, described shape is sealed 5 bottoms and is located in plunger shaft and is positioned at piston 8 tops, is provided with back-moving spring (invisible in figure) between piston 8 belows and hydraulic cylinder 2.Described piston 8 bottoms are connected with piston rod 9, and described piston rod 9 is arranged in rod end chamber (figure is invisible).Specifically as shown in Figure 4, on piston described in the present embodiment 8, offer four return ports 10 that are communicated with plunger shaft and rod end chamber, and these four return ports 10 are matrix and are distributed on piston 8.
the operation principle of the present embodiment is as follows: when servo turning motor 1 rotates, eccentric rotary member 4 rotates thereupon and drives shape sealing 5 to move up and down by bearing 6, and the displacement that moves up and down of shape sealing 5 is that 2e(e is the eccentric throw of eccentric rotary member 4), specifically in conjunction with shown in Fig. 2 and Fig. 3.Now the pressure oil pressurized in hydraulic cylinder 2, oppresses piston 8, orders about piston rod 9 descending.Again because offer return port 10 on piston 8, plunger shaft is communicated with rod end chamber, two cavity pressures equate, under the effect of pressure oil, the fluid of plunger shaft flows into rod end chamber by return port 10, because the compression area at piston 8 tops is greater than the compression area of bottom (removing the region of piston rod 9), the pressure that piston 8 tops are subject to is greater than the pressure that bottom is subject to again, thereby accelerated the descending of piston rod 9, realized hydraulic cylinder speedup.When piston rod 9 goes downwards to after certain position, up at effect lower piston 8 and the piston rod 9 of back-moving spring, complete a course of work.The present invention can realize the multiple processing technologys such as the stamping-out of thin slice or shallow stretching.
the present invention has added hydraulic cylinder on the basis of traditional mechanical press, taken into account the advantage of mechanical press and hydraulic press machine, simple in structure, volume is little, and by introducing servo turning motor, it is controlled that its speed is adjustable, control accuracy is high, this equipment can be met in pressure forming process high frequency and the adjustable multiple processing technology requirement of speed, and applicability is wide, and production efficiency is high; Equipment running noises is less simultaneously, and the course of work is steady, and larger impulse stroke is easy to get.
the present invention combines the advantage of mechanical press and hydraulic press machine, compare traditional mechanical press, added the hydraulic cylinder with speedup, this hydraulic cylinder internal structure with speedup is simple, there is no hydraulic control component and outer differential circuit, only use back-moving spring and realize speedup with the piston of uniform return port, making the compact conformation of integral body of the present invention, and manufacture and maintenance cost are low.
the present invention realizes the interior backflow of fluid by design return port on piston, the structural design of this interior backflow, the fluid that has greatly reduced conventional hydraulic formula forcing press outside in differential circuit along stroke pressure loss, can significantly improve the speedup effect of hydraulic cylinder.
more than show and described principal character and the advantage of the present invention of basic principle of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. the mechanical-hydraulic Composite Transmission forcing press of the little load of high frequency, comprise servo turning motor (1) and hydraulic cylinder (2), characterized by further comprising shape sealing eccentric stiffener (3), this mechanism comprises eccentric rotary member (4) and shape sealing (5), described eccentric rotary member (4) is fixed with the output shaft of servo turning motor (1), and the drive hole (7) that this eccentric rotary member (4) is assemblied in shape sealing (5) by bearing (6) is simultaneously interior to drive shape sealing (5) up and down; Described hydraulic cylinder is provided with plunger shaft in (2), in plunger shaft, be provided with piston (8), described shape sealing (5) bottom is located in plunger shaft and is positioned at piston (8) top, piston (8) bottom is connected with piston rod (9), described piston rod (9) is positioned at rod end chamber, offers the return port (10) of some connection plunger shaft and rod end chamber on described piston (8); Between piston (8) below and hydraulic cylinder (2), be provided with back-moving spring simultaneously.
2. the mechanical-hydraulic Composite Transmission forcing press of the little load of a kind of high frequency according to claim 1, is characterized in that described return port (10) is matrix and is distributed on piston (8).
3. the mechanical-hydraulic Composite Transmission forcing press of the little load of a kind of high frequency according to claim 1, it is characterized in that described drive hole (7) is for the slotted hole of lateral arrangement in shape sealing (5), described eccentric rotary member (4) is assemblied in described slotted hole by bearing (6).
4. the mechanical-hydraulic Composite Transmission forcing press of the little load of a kind of high frequency according to claim 1, characterized by further comprising lathe base (11) and machine tool support frame (12), described machine tool support frame (12) is fixed on lathe base (11), it is upper that described servo turning motor (1) is fixed on machine tool support frame (12), and described hydraulic cylinder (2) one is connected in machine tool support frame (12) one sides.
5. according to the mechanical-hydraulic Composite Transmission forcing press of the little load of a kind of high frequency described in claim 1 or 3, it is characterized in that described eccentric rotary member (4) is eccentric wheel or excentric sleeve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310478848.0A CN103552266A (en) | 2013-10-14 | 2013-10-14 | High-frequency small-load mechanical hydraulic compound transmission press machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310478848.0A CN103552266A (en) | 2013-10-14 | 2013-10-14 | High-frequency small-load mechanical hydraulic compound transmission press machine |
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Citations (6)
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| US4289066A (en) * | 1980-05-05 | 1981-09-15 | Niagara Machine & Tool Works | Hydraulic position control for mechanical power press slides |
| CN1843639A (en) * | 2006-04-29 | 2006-10-11 | 杭州南方环境净化设备有限公司 | Micro-vibration generator dedicated for dust collection device |
| CN101954747A (en) * | 2010-06-17 | 2011-01-26 | 无锡市合力机电成套设备厂 | Pneumatic drive power-enhanced static pressure machine |
| CN103042707A (en) * | 2012-12-18 | 2013-04-17 | 河海大学常州校区 | Mechanical hydraulic combination-drive pressing machine |
| CN203031969U (en) * | 2012-12-18 | 2013-07-03 | 河海大学常州校区 | Combination drive press machine |
| CN203567202U (en) * | 2013-10-14 | 2014-04-30 | 苏州大学 | High-frequency and small-load mechanical and hydraulic composite transmission press |
-
2013
- 2013-10-14 CN CN201310478848.0A patent/CN103552266A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4289066A (en) * | 1980-05-05 | 1981-09-15 | Niagara Machine & Tool Works | Hydraulic position control for mechanical power press slides |
| CN1843639A (en) * | 2006-04-29 | 2006-10-11 | 杭州南方环境净化设备有限公司 | Micro-vibration generator dedicated for dust collection device |
| CN101954747A (en) * | 2010-06-17 | 2011-01-26 | 无锡市合力机电成套设备厂 | Pneumatic drive power-enhanced static pressure machine |
| CN103042707A (en) * | 2012-12-18 | 2013-04-17 | 河海大学常州校区 | Mechanical hydraulic combination-drive pressing machine |
| CN203031969U (en) * | 2012-12-18 | 2013-07-03 | 河海大学常州校区 | Combination drive press machine |
| CN203567202U (en) * | 2013-10-14 | 2014-04-30 | 苏州大学 | High-frequency and small-load mechanical and hydraulic composite transmission press |
Non-Patent Citations (2)
| Title |
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| 刘扬: ""伺服电机驱动的机电及机电液一体化压力机研究"", 《苏州大学硕士论文》 * |
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Application publication date: 20140205 |