CN106142626A - Plate fine blanking hydraulic press - Google Patents

Plate fine blanking hydraulic press Download PDF

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Publication number
CN106142626A
CN106142626A CN201610653544.7A CN201610653544A CN106142626A CN 106142626 A CN106142626 A CN 106142626A CN 201610653544 A CN201610653544 A CN 201610653544A CN 106142626 A CN106142626 A CN 106142626A
Authority
CN
China
Prior art keywords
slide block
plate
cylinder
fixed
fairlead
Prior art date
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.)
Pending
Application number
CN201610653544.7A
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Chinese (zh)
Inventor
陆召庭
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.)
WORLD PRECISE MACHINERY (CHINA) CO Ltd
Original Assignee
WORLD PRECISE MACHINERY (CHINA) CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WORLD PRECISE MACHINERY (CHINA) CO Ltd filed Critical WORLD PRECISE MACHINERY (CHINA) CO Ltd
Priority to CN201610653544.7A priority Critical patent/CN106142626A/en
Publication of CN106142626A publication Critical patent/CN106142626A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/02Punching blanks or articles with or without obtaining scrap; Notching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B1/00Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/32Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/04Frames; Guides

Abstract

The invention discloses a kind of plate fine blanking hydraulic press, including fuselage, master cylinder, counter pressure cylinder, gear ring cylinder and slide block, gear ring cylinder is arranged in the lower table of fuselage, and gear ring cylinder piston rod upper end is supported in lower fairlead, and lower fairlead is fixed in the centre bore of working plate.Master cylinder passes entablature vertically downward and is fixed on the center of entablature, and the piston rod head of master cylinder is fixed on the upside of slide block.Counter pressure cylinder is positioned at slide block, is fixed on slide block lower inside on the downside of counter pressure cylinder cylinder barrel, and counter pressure cylinder piston-rod lower end is supported in fairlead, and upper fairlead is fixed in the centre bore on the downside of slide block.Present configuration is simple, eliminates the nonsynchronous defect of multi-cylinder system, substantially increases the rigidity of fuselage, it is ensured that the running precision of slide block, meets the use requirement of high accuracy fine blanking die.Improve the ratio of briquetting of blanking part, reduce the useless cost of material, improve blanking part flatness, surface smoothness and dimensional accuracy.

Description

Plate fine blanking hydraulic press
Technical field
The present invention relates to the hydraulic press of a kind of vertical fuselage, a kind of can significantly improve blanking part quality precision Blanking hydraulic press, belongs to metal forming machinery technical field.
Background technology
Use fine blanking press and special fine blanking die that plate is carried out fine-edge blanking so that it is special that sheet metal blanking district is in Three-dimensional compressive stress state, to obtain accurate dimension, even curface and bright and clean shear surface, it is not necessary to carry out cutting again and add Work, can improve working (machining) efficiency and reduce the processing cost of part.The advantage of precision blanking part makes it at automobile, the vehicle body of motorcycle The punching parts etc. of shell and computer is widely used.Precision blanking part must use and be arranged on triple action press essence Sheet material is first compressed and shears by punch die, thus obtains precision height, shear surface matter measured high-quality fine blanking part.
The utility model patent of CN288556Y discloses one " fine blanking hydraulic press ", including main hydropress and main liquid Pressure system, fuselage uses four post three girder structures, above pushes away cylinder and be arranged on slide block, under take blame for others and be arranged on workbench bottom, sliding Block both sides respectively arrange a hydraulic cylinder, above push away cylinder upper end and connect fast lifting cylinder.These facility have compact conformation, low cost, noise Little, pressure stability and can the advantage of stepless changing.But there is also problems with: the column of four-column hydraulic press and guide pin bushing Gap is relatively big, and the rigidity of four-column type fuselage is less, it is impossible to meet the use requirement of high accuracy fine blanking die.From the explanation of this patent In Fig. 2 of book accompanying drawing it can be seen that above push away cylinder and under the clamping force taken blame for others the most coaxial, it is impossible to when overcoming slide block down stamping-out sheet material The stamping-out face plucking easily produced or the phenomenon causing tear, thus cause blanking part not reach any surface finish being actually needed Degree or dimension precision requirement.
Summary of the invention
It is an object of the invention to provide the high sheet material of a kind of compact conformation, blanking part dimensional accuracy and surface smoothness accurate Blanking hydraulic press.
The present invention is achieved by the following technical programs:
A kind of plate fine blanking hydraulic press, including fuselage, master cylinder, counter pressure cylinder, gear ring cylinder and slide block, described fuselage is framework The straight-side frame of structure, including entablature, lower table with lay respectively at entablature and the side arm of lower table both sides;Described tooth Circle cylinder is arranged in lower table, and gear ring cylinder piston rod upper end is supported in lower fairlead, and described lower fairlead is fixed on lower work In the centre bore of the working plate on the upside of station;Described slide block is cuboid, and slide block corner is guided by guider respectively; Described master cylinder passes entablature vertically downward and is fixed on the center of entablature, and the piston rod head of master cylinder passes through one to half Circle trim ring is fixed on the upside of slide block;Described counter pressure cylinder is positioned at slide block, and the flange circle on the downside of counter pressure cylinder cylinder barrel is fixed under slide block Inside portion, counter pressure cylinder piston-rod lower end vertically downward is supported in fairlead, and described upper fairlead is fixed on the downside of slide block Centre bore in.
The purpose of the present invention can also be realized further by techniques below measure.
Further, described slide block is welding structural element, including slide block upper plate, slide block lower plate, is positioned at slide block outer peripheral face Four blocks of side plates and be positioned at four blocks of side plates and surround foursquare four pieces of vertical rib plate, slide block upper plate surrounding is fixed on four pieces of vertical rib plate On;Between adjacent side plate and vertical rib plate, connect gusset weldering even by several piece;The piston rod head of master cylinder passes through one to half Circle trim ring is fixed on slide block upper plate, and upper fairlead is fixed in the centre bore of slide block lower plate.Surrounding four pieces of studs of rectangle In plate, four blocks of diagonal bar plates also surround square, every piece of diagonal bar plate two ends respectively with oblique inside adjacent two pieces of vertical rib plate;Master cylinder Piston rod head be fixed on slide block upper plate by a pair semicircle trim ring;The pair of semicircle trim ring is supported by slide block upper plate On four blocks of diagonal bar plates.Upper fairlead is fixed in the centre bore of slide block lower plate.
Further, described upper and lower fairlead all uses copper material to make.
Further, operating pressure is hydraulic press nominal pressure 20%~the 30% of described gear ring cylinder.
Further, the fuselage height of radial degree λ≤1/20000 of fuselage.
The present invention uses a main piston oil cylinder to replace the double plunger cylinder structure of existing plate fine blanking hydraulic press, cancels Fast lifting cylinder, simplifies structure, eliminates the nonsynchronous defect of multi-cylinder system, will not be because of counter pressure cylinder and fast lifting cylinder Integraty causes the unbalance of slide block action so that the structure of the present invention is simpler.The straight-side frame of present invention frame structure takes For existing four post three girder structures, substantially increase the rigidity of fuselage.The fuselage height of radial degree λ≤1/20000 of fuselage, far Less than the fuselage height of existing fine blanking hydraulic press radial degree λ≤1/6000, its rigidity is more than 3 times of existing stiffness of fuselage, Ensure the running precision of slide block.The slide block of the present invention uses four pieces of vertical rib plate and four pieces of diagonal bar composite welding structures, improves cunning The strength and stiffness of block, meet the use requirement of high accuracy fine blanking die.The present invention uses and is separately positioned at slide block and workbench In counter pressure cylinder, gear ring cylinder so that more compact structure.The pressure of gear ring cylinder brings up to the 20%~30% of hydraulic press nominal pressure, Increase the ratio of briquetting of blanking part, reduce the material of production process and give up cost, it is to avoid occur blanking part stamping-out face plucking or Cause tear, improve blanking part flatness, surface smoothness and dimensional accuracy.
Advantages of the present invention and feature, by for illustration and explanation by the non-limitative illustration of preferred embodiment below, These embodiments, are only used as example referring to the drawings and are given.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention;
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the present invention includes that fuselage 1, master cylinder 2, counter pressure cylinder 3, gear ring cylinder 4 and slide block 5, fuselage 1 are The straight-side frame of frame structure, including entablature 11, lower table 12 with lay respectively at entablature 11 and lower table 12 both sides Side arm 13, such structure makes the fuselage height of radial degree λ≤1/20000 of fuselage 1, much smaller than existing fine-edge blanking hydraulic pressure The fuselage height of machine radial degree λ≤1/6000, the rigidity of fuselage 1 is more than 3 times of existing stiffness of fuselage, it is ensured that the fortune of slide block 5 Row precision, thus substantially increase the quality of precision blanking part.Gear ring cylinder 4 is arranged in lower table 12, gear ring cylinder piston rod 41 upper ends are supported in lower fairlead 42, and lower fairlead 42 made of copper is fixed on the working plate 121 on the upside of lower table 12 In centre bore.
Master cylinder 2 is vertically downward through the center of entablature 11, and passes through nut 21 and the cylinder of lower end master cylinder 2 of upper end End boss 22 is clamped on entablature 11.
Slide block 5 is in cuboid, and slide block 5 four jiaos is guided by guider 6 respectively.Slide block 5 is welding structural element, including Slide block upper plate 51, slide block lower plate 52, it is positioned at four blocks of side plates 53 of slide block 5 outer peripheral face and is positioned at four blocks of side plates 53 and surrounds square Four pieces of vertical rib plate 54, slide block upper plate 51 surrounding is fixed in four pieces of vertical rib plate 54 by 20 trip bolts.In adjacent side Between plate 53 and vertical rib plate 54, connect gusset 55 weldering even by 4 pieces.In the four pieces of vertical rib plate 54 surrounding rectangle, four pieces of diagonal bars Plate 56 also surrounds square, and every piece of diagonal bar plate 56 two ends are respectively with oblique weldering inside adjacent two pieces of vertical rib plate 54 even.
Piston rod 23 head of master cylinder 2 is fixed on slide block upper plate 51 by a pair semicircle trim ring 7, and counter pressure cylinder 3 is positioned at In slide block 5, the flange circle 31 on the downside of counter pressure cylinder cylinder barrel is fixed on inside the slide block lower plate 52 of slide block 5, counter pressure cylinder vertically downward Piston rod 32 lower end is supported in fairlead 33, and upper fairlead 33 made of copper is fixed in the centre bore of slide block lower plate 52.One Being supported on semicircle trim ring 7 on four blocks of diagonal bar plates 56 by slide block upper plate 51, such structure improves the intensity of slide block 5 with just Degree.
The operating pressure of gear ring cylinder 4 is the 20%~30% of hydraulic press nominal pressure, and the present embodiment is 25%, prior art This index only has 5%~10%, and this is when blanking part molding, and its edge there will be flange or plucking.The present invention passes through counter pressure cylinder 3 With gear ring cylinder 4 top being compressed to blanking part blank, then can eliminate drawbacks described above.
When the present invention works, master cylinder 2 band movable slider 5 runs downwards, and 5 downstream rates of slide block can pass through hydraulic control system In system inserted valve, the break-make of each electromagnetic valve is adjusted, and when slide block 5 runs to upper and lower mould docking, PLC detects Controlling corresponding electromagnetic valve break-make to adjust each cylinder action, now gear ring cylinder piston rod 41 upwards ejects, and is regulated by overflow valve The size of gear ring ejecting force is to reach the operation pressure of demand, and counter pressure cylinder piston rod 32 ejects downwards, gear ring cylinder piston rod 41 He Counter pressure cylinder piston rod 32 provides thrust to blanking part blank, and then master cylinder 2 pressurizes, by fine-blanking die concave-convex mold Shearing at cutting edge completes the Blanking Shaping of blanking part.
In addition to the implementation, the present invention can also have other embodiments, all employing equivalents or equivalent transformation shape The technical scheme become, all falls within the protection domain of application claims.

Claims (6)

1. a plate fine blanking hydraulic press, including fuselage, master cylinder, counter pressure cylinder, gear ring cylinder and slide block, described fuselage is frame The straight-side frame of shelf structure, including entablature, lower table with lay respectively at entablature and the side arm of lower table both sides;Described Gear ring cylinder is arranged in lower table, and gear ring cylinder piston rod upper end is supported in lower fairlead, and described lower fairlead is fixed on down In the centre bore of the working plate on the upside of workbench;Described slide block is cuboid, and slide block corner is led by guider respectively To;It is characterized in that: described master cylinder passes entablature vertically downward and is fixed on the center of entablature, the piston rod of master cylinder Head is fixed on the upside of slide block by a pair semicircle trim ring;Described counter pressure cylinder is positioned at slide block, the flange on the downside of counter pressure cylinder cylinder barrel Circle is fixed on slide block lower inside, and counter pressure cylinder piston-rod lower end vertically downward is supported in fairlead, described upper fairlead It is fixed in the centre bore on the downside of slide block.
2. plate fine blanking hydraulic press as claimed in claim 1, it is characterised in that: described slide block is welding structural element, bag Include slide block upper plate, slide block lower plate, be positioned at four blocks of side plates of slide block outer peripheral face and be positioned at four blocks of side plates and surround foursquare four pieces Vertical rib plate, slide block upper plate surrounding is fixed in four pieces of vertical rib plate;Between adjacent side plate and vertical rib plate, by several piece dowel Plate weldering is even;The piston rod head of master cylinder is fixed on slide block upper plate by a pair semicircle trim ring, and upper fairlead is fixed on slide block In the centre bore of lower plate.
3. plate fine blanking hydraulic press as claimed in claim 1, it is characterised in that: surrounding four pieces of vertical rib plate of rectangle In, four blocks of diagonal bar plates also surround square, every piece of diagonal bar plate two ends respectively with oblique inside adjacent two pieces of vertical rib plate;Master cylinder Piston rod head is fixed on slide block upper plate by a pair semicircle trim ring;The pair of semicircle trim ring is supported on by slide block upper plate On four blocks of diagonal bar plates.
4. plate fine blanking hydraulic press as claimed in claim 1, it is characterised in that: described upper and lower fairlead all uses copper Material is made.
5. plate fine blanking hydraulic press as claimed in claim 1, it is characterised in that: the operating pressure of described gear ring cylinder is liquid The 20%~30% of press nominal pressure.
6. plate fine blanking hydraulic press as claimed in claim 1, it is characterised in that: the machine of radial degree λ≤1/20000 of fuselage Height degree.
CN201610653544.7A 2016-08-11 2016-08-11 Plate fine blanking hydraulic press Pending CN106142626A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610653544.7A CN106142626A (en) 2016-08-11 2016-08-11 Plate fine blanking hydraulic press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610653544.7A CN106142626A (en) 2016-08-11 2016-08-11 Plate fine blanking hydraulic press

Publications (1)

Publication Number Publication Date
CN106142626A true CN106142626A (en) 2016-11-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112177741A (en) * 2020-09-24 2021-01-05 无锡苏明达科技有限公司 Hot-end air inlet flange structure of three-way catalytic converter of automobile exhaust system and fine blanking process

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043496A (en) * 1975-10-10 1977-08-23 Clarke Chapman Limited Friction welding machine
CN200981346Y (en) * 2006-12-14 2007-11-28 广州市华冠精冲零件有限公司 Refined stamping press
CN201026671Y (en) * 2007-01-25 2008-02-27 重庆工学院 Economic fine blanking hydraulic press
CN101224635A (en) * 2007-01-19 2008-07-23 北京机电研究所 Flashing precise planning and cutting hydropress
CN202045312U (en) * 2010-12-22 2011-11-23 遵义顺峰汽车零部件制造有限公司 Closed-die forging hydraulic press
CN202316741U (en) * 2011-12-14 2012-07-11 武汉长江融达电子有限公司 Automatic hydraulic frame type fine blanking machine
CN205929518U (en) * 2016-08-11 2017-02-08 沃得精机(中国)有限公司 Sheet material fine blanking hydraulic press

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043496A (en) * 1975-10-10 1977-08-23 Clarke Chapman Limited Friction welding machine
CN200981346Y (en) * 2006-12-14 2007-11-28 广州市华冠精冲零件有限公司 Refined stamping press
CN101224635A (en) * 2007-01-19 2008-07-23 北京机电研究所 Flashing precise planning and cutting hydropress
CN201026671Y (en) * 2007-01-25 2008-02-27 重庆工学院 Economic fine blanking hydraulic press
CN202045312U (en) * 2010-12-22 2011-11-23 遵义顺峰汽车零部件制造有限公司 Closed-die forging hydraulic press
CN202316741U (en) * 2011-12-14 2012-07-11 武汉长江融达电子有限公司 Automatic hydraulic frame type fine blanking machine
CN205929518U (en) * 2016-08-11 2017-02-08 沃得精机(中国)有限公司 Sheet material fine blanking hydraulic press

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112177741A (en) * 2020-09-24 2021-01-05 无锡苏明达科技有限公司 Hot-end air inlet flange structure of three-way catalytic converter of automobile exhaust system and fine blanking process

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Application publication date: 20161123

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