CN109807221A - A kind of multifunctional combination hydraulic press - Google Patents

A kind of multifunctional combination hydraulic press Download PDF

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Publication number
CN109807221A
CN109807221A CN201910260673.3A CN201910260673A CN109807221A CN 109807221 A CN109807221 A CN 109807221A CN 201910260673 A CN201910260673 A CN 201910260673A CN 109807221 A CN109807221 A CN 109807221A
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CN
China
Prior art keywords
driving cylinder
cylinder
piston rod
moved
workbench
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910260673.3A
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Chinese (zh)
Inventor
冯小亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANTONG HUADE METAL FORMING MACHINE CO Ltd
Original Assignee
NANTONG HUADE METAL FORMING MACHINE CO Ltd
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Priority to CN201910260673.3A priority Critical patent/CN109807221A/en
Publication of CN109807221A publication Critical patent/CN109807221A/en
Withdrawn legal-status Critical Current

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Abstract

The present invention relates to metallurgy press field more particularly to a kind of multifunctional combination hydraulic presses, including rack, main driving cylinder, built-in fast driving cylinder, secondary driving cylinder, moved cross beam, guiding mechanism, workbench, control system, punch-pin and cavity plate;Workbench sliding is set to rack lower end, and moved cross beam is set to frame upper end and is located at right above workbench;Main driving cylinder is connected with secondary driving cylinder in moved cross beam.The active area of the piston rod of main driving cylinder, secondary driving cylinder and built-in fast driving cylinder differs, the acting surface of piston rod is maximum in active drive cylinder, the active area of the piston rod of built-in fast driving cylinder is minimum, therefore when hydraulic flow quantity is identical, the elongation degree of the piston rod of built-in fast driving cylinder is maximum, the elongation degree of the piston rod of main driving cylinder is most short, so that hydraulic press is under control of the control system, so that there are many different work speeds for hydraulic function, the production technology of different materials is adapted to.

Description

A kind of multifunctional combination hydraulic press
Technical field
The present invention relates to metallurgy press field more particularly to a kind of multifunctional combination hydraulic presses.
Background technique
Conventional hydraulic machine structure is divided into rack (forms such as frame, four columns), master cylinder (moved cross beam, guiding mechanism, upper mold It is formed with lower die and hydraulic system.Its mode of action are as follows: master cylinder is fixed in rack, plane and main oil on moved cross beam Cylinder piston rod connection, stretches out/retracts with piston rod and move up and down, and by under guiding mechanism progress guiding accuracy control, So that upper die and lower die cooperation stretches plate.
But for above-mentioned traditional hydraulic press, work into when be work needed for being generated from hydraulic system to master cylinder fuel feeding Make pressure, part is to carry out stretching process under the movement at a slow speed of equipment, when tensile speed to be promoted and rhythm of production, just must Hydraulic System Oil pump discharge must be increased, to accelerate master cylinder work speed, result of this is that power of motor and energy consumption It is promoted therewith, the work speed for excessively pursuing master cylinder necessarily will cause user's equipment cost and the big of use cost is increased Add, to cause the waste in resource and on the energy.
In addition, practice have shown that sheet metal stretching technique for unlike material, most suitably used drawing force, pressure-pad-force and most fast Drawing and forming speed is also different.Such as stretching of aluminium sheet non-ferrous metal plate, the drawing force needed is not often high, and draws Stretching forming speed can quickly (reach as high as~200mm/s or so);And the stretching of the ferrous metal plate such as stainless steel plate, then it needs Want biggish drawing force, drawing and forming speed is slow (generally~30mm/s or so).Forming technology due to the two is being drawn Stretch conventional hydraulic machine that is widely different in speed, and generally using now, master cylinder structure and hydraulic system fuel system The tensile speed of optimization can be matched to when being unable to satisfy different materials stretch forming.
Summary of the invention
It is an object of the invention to propose a kind of stable structure, there are a variety of working condition, that is, work speeds, so as to suitable The multifunctional combination hydraulic press of drawing process for different materials plate.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of multifunctional combination hydraulic press, which is characterized in that including rack, main driving cylinder, built-in fast driving cylinder, secondary drive Dynamic cylinder, moved cross beam, guiding mechanism, workbench, control system, punch-pin and cavity plate;The workbench is fixed under the rack End, the moved cross beam is set to the rack by guiding mechanism sliding, and is located at right above the workbench;The master Driving cylinder is fixed on the rack end, and the piston rod being equipped with is connect with the moved cross beam;The pair driving cylinder is set to institute The outside for stating main driving cylinder, the piston rod being equipped with are connect with the moved cross beam;The built-in fast driving cylinder is set to described Inside main driving cylinder, one end is fixed on the cylinder bottom of the main driving cylinder, and the other end is connected to the piston rod of the main driving cylinder Upper end;The cavity plate is set to the upper surface of the workbench or the lower surface of the moved cross beam, the punch-pin are right against institute It states cavity plate and is set to the lower surface of the moved cross beam or the upper surface of the workbench.
More preferably, the punch-pin is set to the upper surface of the workbench, and punch-pin described in the cavity plate face is simultaneously set to described The lower surface of walking beam;It further include flanging driving cylinder and blank body;The blank body includes lower pallet, mandril and flanging Circle;The flanging driving cylinder is fixed on the bottom of the frame;What the lower surface of the lower pallet and the flanging driving cylinder were equipped with The upper surface of piston rod is fixed, and is located at the underface of the workbench;Multiple mandrils are fixed on the lower pallet vertically Upper surface, and be pierced by from the through-hole that the workbench is equipped with;The blank holder is set to the mandril upper surface, multiple tops Bar holds the blank holder.
It more preferably, is hollow-out parts in the middle part of the blank holder, the punch-pin is set to the upper table of the workbench immediately below hollow-out parts Face.
More preferably, the cavity plate is fixed on immediately below the moved cross beam by support construction, the moved cross beam, described Support construction and the cavity plate surround stretching cavity.
More preferably, material returned cylinder is equipped in the piston rod of the main driving cylinder, the material returned cylinder is equipped with piston rod from the work The through-hole that dynamic crossbeam is equipped with is pierced by and protrudes into the stretching cavity.
More preferably, the hydraulic press includes multiple secondary driving cylinders, and multiple secondary driving cylinders are set at equal intervals Using the main driving cylinder as on the circumference in the center of circle.
It further illustrates, the main driving cylinder, built-in fast driving cylinder and secondary driving cylinder are hydraulic cylinder, the driving System includes hydraulic control device, the hydraulic control device and the main driving cylinder, built-in fast driving cylinder and secondary driving cylinder Connection.
The present invention proposes a kind of multifunctional combination hydraulic press according to the content, main driving cylinder, the secondary driving cylinder being equipped with It is differed with the active area of the piston rod of built-in fast driving cylinder, the acting surface of piston rod is maximum in the active drive cylinder, institute The active area for stating the piston rod of built-in fast driving cylinder is minimum, therefore when hydraulic flow quantity is identical, the built-in quickly drive The elongation degree of the piston rod of dynamic cylinder is maximum, and the elongation degree of the piston rod of the main driving cylinder is most short.So that the liquid The multiple combinations of three kinds of driving cylinders are chosen and adjusted to press under the control of the control system, so that the hydraulic press The production technology of different materials can be adapted to there are many work speed.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of one embodiment of the present of invention.
Wherein: rack 100, main driving cylinder 200, secondary driving cylinder 300, built-in fast driving cylinder 400, moved cross beam 500 are drawn Stretch cavity 510, dumping cylinder 520, guiding mechanism 600, workbench 710, flanging driving cylinder 720, blank body 730, lower pallet 731, mandril 732, blank holder 733, hydraulic control device 800, punch-pin 900, cavity plate 910.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Such as Fig. 1, a kind of multifunctional combination hydraulic press, including rack 100, main driving cylinder 200, built-in fast driving cylinder 400, Secondary driving cylinder 300, moved cross beam 500, guiding mechanism 600, workbench 710, control system, punch-pin 900 and cavity plate 910;It is described Workbench 710 is fixed on 100 lower end of rack, and the moved cross beam 500 is set to described by the guiding mechanism 600 sliding Rack 100, and be located at right above the workbench 710;The main driving cylinder 200 is fixed on 100 upper end of rack, is equipped with Piston rod connect with the moved cross beam 500;The pair driving cylinder 300 is set to around the main driving cylinder 200, is equipped with Piston rod is connect with the moved cross beam 500;The built-in fast driving cylinder 400 is set to inside the main driving cylinder 200, one The cylinder bottom of the main driving cylinder 200 is fixed at end, and the other end is connected to the upper end of the piston rod of the main driving cylinder 200;It is described Punch-pin 900 is set to the upper surface of the workbench 710, and punch-pin 900 described in 910 face of cavity plate is simultaneously set to the walking beam Lower surface.
The active area of the piston rod of the main driving cylinder 200, secondary driving cylinder 300 and built-in fast driving cylinder 400 differs, The acting surface of piston rod is maximum in the active drive cylinder, and the active area of the piston rod of the built-in fast driving cylinder 400 is most It is small, therefore when hydraulic flow quantity is identical, the elongation degree of the piston rod of the built-in fast driving cylinder 400 is maximum, the master The elongation degree of the piston rod of driving cylinder 200 is most short.So that the hydraulic press under the control of the control system, is chosen And the multiple combinations working condition of three kinds of driving cylinders is adjusted, so that there are many working conditions for the hydraulic function, adapt to The production technology of different materials.
The hydraulic press further includes flanging driving cylinder 720 and blank body 730;The blank body 730 includes lower pallet 731, mandril 732 and blank holder 733;The flanging driving cylinder 720 is fixed on 100 bottom of rack;The lower pallet 731 The upper surface for the piston rod that lower surface is equipped with the flanging driving cylinder 720 is fixed, and be located at the workbench 710 just under Side;Multiple mandrils 732 are fixed on the upper surface of the lower pallet 731, and the through-hole being equipped with from the workbench 710 vertically It is pierced by;The blank holder 733 is set to 732 upper surface of mandril, and multiple mandrils 732 hold the blank holder 733.Institute It states flanging driving cylinder 720 and drives the blank body 730, the blank body 730 is moved up relative to the workbench 710 The edge of plate is pressed on the bottom surface of the cavity plate 910 by the blank holder 733, so that plate edge when being stretched In stationary state, avoids plate and moved in processing city.
It is hollow-out parts in the middle part of the blank holder 733, the punch-pin 900 is set to the upper of the workbench 710 immediately below hollow-out parts Surface.When the hydraulic press stretches plate, the edge of plate quilt is fixed, and punch-pin 900 jacks up the middle part of plate, And it is allowed to the top of cavity plate 910 protrusion, that is to say, that the structure in the middle part of cavity plate 910 for hollow out could make punch-pin 900 complete The process for jacking up plate and being allowed to protrusion.
The cavity plate 910 is fixed on immediately below the moved cross beam 500 by support construction, the moved cross beam 500, institute It states support construction and the cavity plate 910 surrounds and stretches cavity 510.So that the punch-pin 900 has when jack-up plate is stretched There is bigger stretching space.
Material returned cylinder is equipped in the piston rod of the main driving cylinder 200, the material returned cylinder is equipped with piston rod from the movable transverse The through-hole that beam 500 is equipped with is pierced by and protrudes into the stretching cavity 510.When sheet metal stretching finishes, the piston rod of the material returned cylinder It is extended into the stretching cavity 510, and plate convex portion is pushed up downwards, operated so as to complete the automatic material returning of plate.
The hydraulic press includes multiple secondary driving cylinders 300, multiple secondary driving cylinders 300 be set at equal intervals with The main driving cylinder 200 is on the circumference in the center of circle.So that 500 surrounding of moved cross beam is more uniformly stressed, along described When guiding mechanism 600 slides, it is not easy to occur because of unbalance stress stuck.
The main driving cylinder 200, built-in fast driving cylinder 400 and secondary driving cylinder 300 are hydraulic cylinder, the driving system System includes hydraulic control device 800, the hydraulic control device 800 and the main driving cylinder 200, built-in fast driving cylinder 400 It is connected with secondary driving cylinder 300.Hydraulic cylinder favorable working performance, controllability is high, and application in the prior art is also extremely wide, because It is more accurate that this controls the operation of the hydraulic press, and subsequent maintenance is also more convenient.
Its mode of action are as follows: main driving cylinder 200, secondary driving cylinder 300, flanging driving cylinder 720 are fixed on rack 100 On, plane is connect with the piston rod of the piston rod of main driving cylinder 200 and secondary driving cylinder 300 on moved cross beam 500, is stretched with piston rod It out or retracts and moves up and down, and guiding accuracy control is carried out by guiding mechanism 600;Built-in fast driving cylinder 400, it is fixed It in the cylinder bottom of main driving cylinder 200, is placed in the piston rod of main driving cylinder 200, enables the piston rod and fast cylinder of main driving cylinder 200 Mutually sliding;Material returned cylinder is mounted on piston rod and 500 junction of moved cross beam of main driving cylinder 200;731 lower plane of lower pallet peace Dress is fixed on the piston rod of flanging driving cylinder 720, is stretched out with piston rod or is retracted and move up and down, workbench 710 is also pacified Dress is fixed in rack 100, and mandril 732 is placed in plane on lower pallet 731 by the through-hole on workbench 710, and with subiculum Plate 731 moves up and down, and transmits pressure-pad-force, and the movement of hydraulic press is controlled by hydraulic control device 800, executed.
When hydraulic press does not work, main driving cylinder 200, secondary driving cylinder 300 and flanging driving cylinder 720 are retracted into corresponding starting Position, cavity plate 910 are fixed on 500 lower plane of moved cross beam, and punch-pin 900 is fixed on workbench 710 in plane, blank holder 733 are placed on mandril 732.At work, different technological actions can be arranged in hydraulic press according to material difference.Such as when stretching aluminium When the non-ferrous metals plate such as plate, hydraulic oil is introduced into the working chamber of built-in fast driving cylinder 400, and hydraulic press is realized under speed no-load and high Row, when close to workpiece, hydraulic oil enters 300 working chamber of secondary driving cylinder simultaneously, at this time built-in 400 He of fast driving cylinder of hydraulic press The logical hydraulic oil simultaneously of secondary driving cylinder 300, quick work when realizing small tonnage is into stretching;When black metal sheets such as stretching stainless steel plates When material, hydraulic oil is introduced into built-in 400 working chamber of fast driving cylinder, and hydraulic press realizes speed no-load and high downlink, when close to workpiece, liquid Pressure oil then enters secondary 300 working chamber of driving cylinder and 200 working chamber of main driving cylinder simultaneously, at this time the built-in fast driving cylinder of hydraulic press 400, the working chamber of secondary driving cylinder 300 and main driving cylinder 200 logical hydraulic oil simultaneously, work at a slow speed when meeting large-tonnage is into stretching.
Under new hydraulic press structure, the function of fast cylinder fast downlink was not only remained, but also original main driving cylinder 200 Total output is divided into the output of major-minor driving cylinder 300, respectively corresponds the other materials such as small tonnage Rapid stretching and the stainless steel of aluminium sheet Large-tonnage stretch at a slow speed, within the scope of industry generally acceptable installed power, can achieve fast downlink speed >= 300mm/s, Rapid stretching work speed is up to 150~200mm/s, 15~30mm/s of tensile speed at a slow speed, so no matter for aluminium The other materials such as plate stretching or stainless steel stretch, this hydraulic press can preferably match forming parameter, can greatly promote production Efficiency, meanwhile, the forming capacity of hydraulic press can be made full use of, the use cost performance of equipment is effectively improved.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within Within protection scope of the present invention.

Claims (7)

1. a kind of multifunctional combination hydraulic press, which is characterized in that including rack, main driving cylinder, built-in fast driving cylinder, secondary driving Cylinder, moved cross beam, guiding mechanism, workbench, control system, punch-pin and cavity plate;The workbench is fixed on the rack lower end, The moved cross beam is set to the rack by guiding mechanism sliding, and is located at right above the workbench;The main drive Dynamic cylinder is fixed on the rack end, and the piston rod being equipped with is connect with the moved cross beam;The pair driving cylinder is set to described The outside of main driving cylinder, the piston rod being equipped with are connect with the moved cross beam;The built-in fast driving cylinder is set to the master Inside driving cylinder, one end is fixed on the cylinder bottom of the main driving cylinder, and the other end is connected to the piston rod of the main driving cylinder Upper end;The cavity plate is set to the upper surface of the workbench or the lower surface of the moved cross beam, and the punch-pin is right against described Cavity plate is simultaneously set to the lower surface of the moved cross beam or the upper surface of the workbench.
2. a kind of multifunctional combination hydraulic press according to claim 1, which is characterized in that the punch-pin is set to the work The upper surface of platform, punch-pin described in the cavity plate face and the lower surface for being set to the walking beam;It further include flanging driving cylinder and pressure Side mechanism;The blank body includes lower pallet, mandril and blank holder;The flanging driving cylinder is fixed on the bottom of the frame; The upper surface for the piston rod that the lower surface of the lower pallet is equipped with the flanging driving cylinder is fixed, and is located at the workbench Underface;Multiple mandrils are fixed on the upper surface of the lower pallet vertically, and are pierced by from the through-hole that the workbench is equipped with; The blank holder is set to the mandril upper surface, and multiple mandrils hold the blank holder.
3. a kind of multifunctional combination hydraulic press according to claim 2, which is characterized in that be hollow out in the middle part of the blank holder Portion, the punch-pin are set to the upper surface of the workbench immediately below hollow-out parts.
4. a kind of multifunctional combination hydraulic press according to claim 1, which is characterized in that the cavity plate passes through support construction It is fixed on immediately below the moved cross beam, the moved cross beam, the support construction and the cavity plate surround stretching cavity.
5. a kind of multifunctional combination hydraulic press according to claim 1, which is characterized in that the piston rod of the main driving cylinder Interior to be equipped with material returned cylinder, the piston rod that the material returned cylinder is equipped with is pierced by from the through-hole that the moved cross beam is equipped with and protrudes into the stretching In cavity.
6. a kind of multifunctional combination hydraulic press according to claim 1, which is characterized in that including multiple secondary drivings Cylinder, multiple secondary driving cylinders are set at equal intervals using the main driving cylinder as on the circumference in the center of circle.
7. a kind of multifunctional combination hydraulic press according to claim 1, which is characterized in that the main driving cylinder, built-in fast Fast driving cylinder and secondary driving cylinder are hydraulic cylinder, and the drive system includes hydraulic control device, the hydraulic control device It is connect with the main driving cylinder, built-in fast driving cylinder and secondary driving cylinder.
CN201910260673.3A 2019-04-02 2019-04-02 A kind of multifunctional combination hydraulic press Withdrawn CN109807221A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910260673.3A CN109807221A (en) 2019-04-02 2019-04-02 A kind of multifunctional combination hydraulic press

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Application Number Priority Date Filing Date Title
CN201910260673.3A CN109807221A (en) 2019-04-02 2019-04-02 A kind of multifunctional combination hydraulic press

Publications (1)

Publication Number Publication Date
CN109807221A true CN109807221A (en) 2019-05-28

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CN201910260673.3A Withdrawn CN109807221A (en) 2019-04-02 2019-04-02 A kind of multifunctional combination hydraulic press

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105312384A (en) * 2015-11-24 2016-02-10 佛山市康思达液压机械有限公司 Multifunctional combined hydraulic machine
CN108127953A (en) * 2017-12-20 2018-06-08 马鞍山创诚中小企业服务中心有限公司 Numerical control press
CN208146752U (en) * 2018-04-04 2018-11-27 浙江明牌珠宝科技有限公司 A kind of noble metal press machine
CN108943793A (en) * 2018-05-31 2018-12-07 张天才 A kind of good band die type hydraulic press of novel damping cushion performance

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105312384A (en) * 2015-11-24 2016-02-10 佛山市康思达液压机械有限公司 Multifunctional combined hydraulic machine
CN108127953A (en) * 2017-12-20 2018-06-08 马鞍山创诚中小企业服务中心有限公司 Numerical control press
CN208146752U (en) * 2018-04-04 2018-11-27 浙江明牌珠宝科技有限公司 A kind of noble metal press machine
CN108943793A (en) * 2018-05-31 2018-12-07 张天才 A kind of good band die type hydraulic press of novel damping cushion performance

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Application publication date: 20190528

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