CN204398357U - A kind of double action hydraulic press - Google Patents

A kind of double action hydraulic press Download PDF

Info

Publication number
CN204398357U
CN204398357U CN201420127425.4U CN201420127425U CN204398357U CN 204398357 U CN204398357 U CN 204398357U CN 201420127425 U CN201420127425 U CN 201420127425U CN 204398357 U CN204398357 U CN 204398357U
Authority
CN
China
Prior art keywords
outside
piston
hydraulic cylinder
double action
hydraulic press
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.)
Expired - Lifetime
Application number
CN201420127425.4U
Other languages
Chinese (zh)
Inventor
宋克兴
赵培峰
白宁
张学宾
国秀花
郜建新
贾淑果
李红霞
张彦敏
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.)
Henan University of Science and Technology
Original Assignee
Henan University of Science and Technology
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 Henan University of Science and Technology filed Critical Henan University of Science and Technology
Priority to CN201420127425.4U priority Critical patent/CN204398357U/en
Application granted granted Critical
Publication of CN204398357U publication Critical patent/CN204398357U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

The utility model relates to double action hydraulic press, double action hydraulic press comprises the frame with entablature, entablature is installed with inner side hydraulic cylinder and the outside hydraulic cylinder of vertical layout, inner side hydraulic cylinder has the first piston for being in transmission connection with inner side shaping mould, and outside hydraulic cylinder has the second piston for being in transmission connection with the outside shaping mould being set in shaping mould periphery, described inner side.The utility model provides and a kind ofly reduces double action hydraulic press that is complex-shaped or band large-scale metal part manufacturing cost.

Description

A kind of double action hydraulic press
Technical field
The utility model relates to the double action hydraulic press for Metal Forming.
Background technology
In the plastic forming technology of modern manufacturing, hydraulic press occupies considerable status.Wherein widely used hydraulic press is double action hydraulic press, current double action hydraulic press is mainly used in: the vertical double-acting hydraulic-presser of (1) punching stretch, be mainly used to order and complete flanging and stretching two procedures, the concrete structure of such hydraulic press is if publication number is disclosed in the Chinese patent of CN1203381215U " double action hydraulic press ", this hydraulic press comprises column, the upper end of column is installed with entablature, slidable fit that column leads in turn in the below of entablature has master slider and blankholder slide, entablature is installed with the stretching hydraulic cylinder be in transmission connection with master slider, master slider is installed with the flanging hydraulic cylinder be in transmission connection with blankholder slide, in use, stretching Driven by Hydraulic Cylinder master slider is descending, drive blankholder slide descending when master slider is descending, after the edge pressing mould on blankholder slide contacts with blank, master slider continues descending under the driving of stretching hydraulic cylinder, and by control flanging hydraulic cylinder flexible that blankholder slide is no longer continued is descending, edge pressing mould on blankholder slide only plays the flanging positioning action to blank, do not play shaping effect, therefore the pressure of flanging hydraulic cylinder does not need too large, on substrate, the power of flanging hydraulic cylinder all can meet instructions for use when being not more than stretching hydraulic cylinder power half, simultaneously blankholder slide is not owing to being forming slide, therefore the downstream rate of blankholder slide also can reach 10-45m/s, (2) the horizontal double forcing press of shape processing, has been mainly used to the shaping of the surfaces externally and internally of section bar, and drives inside and outside mould order stripping.And metal parts forging and extruded in, generally adopt vertical single action hydraulic press at present, the simple and middle-size and small-size metal parts of correspondingly-shaped shaping, adopt vertical single action hydraulic press forming device to have a clear superiority in.And shaping for complex-shaped or band large-scale metal part, the deficiency of vertical single action hydraulic press forming ability exposes undoubtedly.The method made up at present has: 1, constantly manufacture more large-tonnage single action hydraulic press, for forging or extruded band large-scale metal part; 2, adopt the method strengthening following process surplus, subsequent step is very loaded down with trivial details.Above-mentioned two kinds of methods all significantly can increase the processing cost of metal parts.And existing double action hydraulic press compares single action hydraulic press, the one flanging program that be also only many, still can not meet the shaping demand of complexity or band large-scale metal part.
Utility model content
The purpose of this utility model is that providing a kind of reduces double action hydraulic press that is complex-shaped or band large-scale metal part manufacturing cost.
In order to solve the problem, the technical solution of the utility model is:
Double action hydraulic press, comprise the frame with entablature, entablature is installed with inner side hydraulic cylinder and the outside hydraulic cylinder of vertical layout, inner side hydraulic cylinder has the first piston for being in transmission connection with inner side shaping mould, and outside hydraulic cylinder has the second piston for being in transmission connection with the outside shaping mould being set in shaping mould periphery, described inner side.
Described inner side hydraulic cylinder, outside hydraulic cylinder are coaxially set.
Described second piston is hollow circular structure, and the second piston bush is located at the periphery of described first piston.
Described outside hydraulic cylinder comprises the second cylinder body that axis extends along the vertical direction, described inner side hydraulic cylinder comprises the first cylinder body be coaxially set in described second cylinder body, in the annular space that described second piston guide slidable fit surrounds in first, second cylinder body.
Described outside hydraulic cylinder comprises second cylinder body with inner sleeve, overcoat, described inner sleeve, overcoat are coaxially set, described inner side hydraulic cylinder comprises the first cylinder body being fixedly arranged on described second cylinder body upper end, described first piston comprises the piston section of pilot seal slidable fit in the first cylinder body and the piston rod segment be arranged in the endoporus of described inner sleeve that leads, described second piston is hollow circular structure, in the second annular space that piston seal guiding is slidedly assemblied in inner sleeve, overcoat surrounds.
Described outside hydraulic cylinder has at least two, and each outside hydraulic cylinder is distributed in the periphery of described inner side hydraulic cylinder.
Described frame leads along the vertical direction in the below of described entablature the outside slide block be equipped with for installing described outside shaping mould, the lower end of described second piston is connected to drive outside slide block to move up and down with described outside slide block, outside slide block is provided with the pilot hole running through slide block upper and lower end face, outside along the vertical direction, the lower end of described first piston is connected with the inside block for installing described inner side shaping mould, and described inside block guiding is arranged in described pilot hole.
Described frame comprises the column that four axis extend all along the vertical direction, and described outside slider guide is slidedly assemblied on described column, and described entablature is fixedly arranged on the upper end of described column.
Described column is installed with sill in the below of described outside slide block.
The beneficial effects of the utility model are: or product that intensity high large to some deflections, if adopt once extruded, due to larger to the deflection in final finished process from blank, so must use large tonnage hydraulic press, the acquisition cost of equipment can be increased like this and then increase the cost of manufacture of part.And inner side shaping mould in this double action hydraulic press, can be made in use to be connected with first piston, outside shaping mould is connected with the second piston, when carrying out extruded to blank, the first piston of inner side hydraulic cylinder first drives inner side shaping mould to move down and extrudes blank, the first one-shot forming of such blank, then outside hydraulic cylinder the second piston driving outside shaping mould move down to blank carry out continuations extrude, blank post forming (or the second piston first drives outside shaping mould to move down and carry out one-shot forming to blank, then interior first piston drive inner side shaping mould moves down and carries out post forming to blank), that is double action hydraulic press outputs twice forming action, such blank is divided into twice extruding to complete to the deflection in final finished process, each deflection all can not be very large, this reduces the pressure tonnage demand to double action hydraulic press, reduce the manufacturing cost of double action hydraulic press and then reduce the cost of manufacture of metal parts.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1 of the present utility model;
Fig. 2 is the cooperation schematic diagram of inner side, outside hydraulic cylinder in Fig. 1;
Fig. 3 is the cooperation schematic diagram of inner side in embodiment 2 of the present utility model, outside hydraulic cylinder;
Fig. 4 is the structural representation of embodiment 3 of the present utility model.
Detailed description of the invention
The embodiment 1 of double action hydraulic press is as shown in Figure 1 and 2: comprise frame, frame comprises the column 3 that four axis extend along the vertical direction, the upper and lower end of column is installed with entablature 1 and sill 4 respectively, on column, between upper and lower crossbeam, guiding is equipped with outside moving up and down slide block 2, and the lower end of outside slide block has the T-slot for installing outside shaping mould.The upper end of sill has the T-slot for installing die, sill is provided with liftout tank 5.Entablature is provided with inner side hydraulic cylinder 31 and the outside hydraulic cylinder 32 of vertical layout, inner side, outside hydraulic cylinder coaxial line is arranged, inner side hydraulic cylinder has first piston, outside hydraulic cylinder has the second piston 14, outside hydraulic cylinder comprises the second cylinder body, second cylinder body comprises the inner sleeve 9 and overcoat 13 that coaxial line is wholely set, second piston guide sealing slidable fit is in interior, in the annular space that overcoat surrounds, inner side hydraulic cylinder comprises the first cylinder body 11 being fixedly arranged on the second cylinder body upper end, first piston comprises the piston section 12 of pilot seal slidable fit in the first cylinder body and the piston rod segment 6 be arranged in the endoporus of inner sleeve that leads, second piston bush is located at the periphery of piston rod segment, the lower end of the second piston is fixedly connected with outside slide block.Outside slide block offers the pilot hole 10 that axis extends along the vertical direction, the piston rod segment lower end of first piston is fixedly connected with the inside block 30 for installing inner side shaping mould, lead such inside block that is slidably matched of inside block and pilot hole can move up and down along pilot hole, when shaping to blank, it is peripheral that outside forming die sleeve is located at inner side shaping mould.Outside shaping mould and inner side shaping mould are die in the present embodiment.
Example is shaped to the inner hole extruding of large-scale cup-shaped component.Inner hole extruding for large-scale cup-shaped component is shaping, if adopt single action hydraulic press, necessary one-shot forming, completes the dimensional requirement of endoporus, need large-tonnage hydraulic press to realize.Double action hydraulic press of the present utility model can realize repeatedly shaping, concrete steps are as follows: molding concave die is installed on sill upper surface by (1), inner side shaping mould is installed on inside block lower surface, outside shaping mould is installed on forming slide lower surface, outside, (2) time extruded, blank is put into die, (3) first piston drives inside block, thus drive inner side shaping mould to move down, carried out to the blank in die shaping first time, (4) after blank first time is shaping, first piston is motionless, outboard piston drives outside slide block, thus drive outside shaping mould to move down, post forming is carried out to described blank.(5) if shaping through twice, reached the hole size requirement of large-scale cup-shaped component, then after the shaping end of blank by liftout tank by product by die in eject.If shaping through twice, do not reach the hole size requirement of large-scale cup-shaped component yet, then can changing punch, to carry out third time shaping, concrete steps are as follows: (6) lay down inner side shaping mould and outside shaping mould, (7) by with post forming after product hole size (i.e. outside shaping mould size) three mould cores of a size, be installed on inside block lower surface, three times forming convax mould is installed on slide block lower surface, outside, (8) blank after post forming is put into die, (9) first piston drives inside block, thus drive three shaping mold cores to move down, until contact with bottom blank endoporus, (10) first piston is motionless, outboard piston drives outside slide block, thus drive three forming convax moulds to move down, three machine-shaping is carried out to described blank.(11) by that analogy, often change a punch subsequently, can carry out accumulating once shaping, until hole size reaches requirement.So just the extruded multiple working procedure that is divided into of large-scale cup shell can be carried out, the extruding force of each procedure will reduce thereupon.What the utility model patent based on the vertical double action oil hydraulic press of this part was carried out is shaping, can be cold forming or warm shaping, when through row warm shaping time, need the effect of expanding with heat and contract with cold considering blank and mould.Outside hydraulic cylinder in the utility model double action hydraulic press is also for shaping, therefore the pressure that medial and lateral hydraulic cylinder provides is consistent substantially, simultaneously because outside hydraulic cylinder is also for shaping, the downstream rate of outside slide block is very slow, and the downstream rate of outside slide block is generally at 8 ~ 20mm/s.
When extruding aximal deformation value or the very high product of intensity, such blank is divided into the deflection of finished product and repeatedly completes, do not need king-sized extruding force at every turn, thus reduce the pressure tonnage demand to double action hydraulic press, reduce the cost of manufacture of double action hydraulic press.
In of the present utility model other is implemented: the number of column can also be two, three or more; Frame can also be frame structure, and the bulk strength of frame structure and rigidity better, are now led be slidably matched by dovetail, dovetail groove between outside slide block and frame; Medial and lateral slide block also can not be established, and now directly can be fixed on first, second piston by medial and lateral shaping mould; Medial and lateral shaping mould can also be punch, now needs die to be installed on sill.
The embodiment 2 of double action hydraulic press is as shown in Figure 3: embodiment 2 as different from Example 1, outside hydraulic cylinder comprises the second cylinder body 22 that axis extends along the vertical direction, second cylinder body becomes downward opening cup-shaped structure, inner side hydraulic cylinder comprises the first cylinder body 11 that axis extends along the vertical direction, first cylinder body 11 is coaxially set in the second cylinder body 22, be provided with first piston 12 in first cylinder body, in the annular space between the first cylinder body, the second cylinder body, be provided with the second piston 14.Fig. 3 middle term 2 represents outside slide block.
The embodiment 3 of double action hydraulic press is as described in Figure 4: as different from Example 1, the axis of outside hydraulic cylinder 32 and the axis being parallel of inner side hydraulic cylinder 31, outside hydraulic cylinder has two to embodiment 3, and two outside hydraulic cylinders are distributed in the periphery of inner side hydraulic cylinder.Fig. 4 middle term 1 represents entablature; Item 2 represents outside slide blocks; Item 3 represents columns; Item 4 represents sills; Item 5 represents liftout tanks.In other embodiment of the present utility model, the number of inner side hydraulic cylinder can also be two, three or more, and the number of outside hydraulic cylinder can also be three, four or more.

Claims (9)

1. double action hydraulic press, comprise the frame with entablature, it is characterized in that: the inner side hydraulic cylinder and the outside hydraulic cylinder that entablature are installed with vertical layout, inner side hydraulic cylinder has the first piston for being in transmission connection with inner side shaping mould, and outside hydraulic cylinder has the second piston for being in transmission connection with the outside shaping mould being set in shaping mould periphery, described inner side.
2. double action hydraulic press according to claim 1, is characterized in that: described inner side hydraulic cylinder, outside hydraulic cylinder are coaxially set.
3. double action hydraulic press according to claim 2, is characterized in that: described second piston is hollow circular structure, and the second piston bush is located at the periphery of described first piston.
4. double action hydraulic press according to claim 3, it is characterized in that: described outside hydraulic cylinder comprises the second cylinder body that axis extends along the vertical direction, described inner side hydraulic cylinder comprises the first cylinder body be coaxially set in described second cylinder body, in the annular space that described second piston guide slidable fit surrounds in first, second cylinder body.
5. double action hydraulic press according to claim 2, it is characterized in that: described outside hydraulic cylinder comprises second cylinder body with inner sleeve, overcoat, described inner sleeve, overcoat are coaxially set, described inner side hydraulic cylinder comprises the first cylinder body being fixedly arranged on described second cylinder body upper end, described first piston comprises the piston section of pilot seal slidable fit in the first cylinder body and the piston rod segment be arranged in the endoporus of described inner sleeve that leads, described second piston is hollow circular structure, in the second annular space that piston seal guiding is slidedly assemblied in inner sleeve, overcoat surrounds.
6. double action hydraulic press according to claim 1, is characterized in that: described outside hydraulic cylinder has at least two, and each outside hydraulic cylinder is distributed in the periphery of described inner side hydraulic cylinder.
7. the double action hydraulic press according to claim 1 ~ 6 any one, it is characterized in that: described frame leads along the vertical direction in the below of described entablature the outside slide block be equipped with for installing described outside shaping mould, the lower end of described second piston is connected to drive outside slide block to move up and down with described outside slide block, outside slide block is provided with the pilot hole running through slide block upper and lower end face, outside along the vertical direction, the lower end of described first piston is connected with the inside block for installing described inner side shaping mould, and described inside block guiding is arranged in described pilot hole.
8. double action hydraulic press according to claim 7, is characterized in that: described frame comprises the column that four axis extend all along the vertical direction, and described outside slider guide is slidedly assemblied on described column, and described entablature is fixedly arranged on the upper end of described column.
9. double action hydraulic press according to claim 8, is characterized in that: described column is installed with sill in the below of described outside slide block.
CN201420127425.4U 2014-03-20 2014-03-20 A kind of double action hydraulic press Expired - Lifetime CN204398357U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420127425.4U CN204398357U (en) 2014-03-20 2014-03-20 A kind of double action hydraulic press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420127425.4U CN204398357U (en) 2014-03-20 2014-03-20 A kind of double action hydraulic press

Publications (1)

Publication Number Publication Date
CN204398357U true CN204398357U (en) 2015-06-17

Family

ID=53422252

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420127425.4U Expired - Lifetime CN204398357U (en) 2014-03-20 2014-03-20 A kind of double action hydraulic press

Country Status (1)

Country Link
CN (1) CN204398357U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105216360A (en) * 2015-10-19 2016-01-06 上海理工大学 Miniature double action hydraulic press and manufacturing process
CN106734811A (en) * 2016-10-20 2017-05-31 中机锻压江苏股份有限公司 A kind of composite molding hydraulic press
CN108956319A (en) * 2018-07-17 2018-12-07 芜湖芬特勘测服务有限公司 Hydraulic press is used in a kind of detection of product compressive resistance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105216360A (en) * 2015-10-19 2016-01-06 上海理工大学 Miniature double action hydraulic press and manufacturing process
CN106734811A (en) * 2016-10-20 2017-05-31 中机锻压江苏股份有限公司 A kind of composite molding hydraulic press
CN108956319A (en) * 2018-07-17 2018-12-07 芜湖芬特勘测服务有限公司 Hydraulic press is used in a kind of detection of product compressive resistance

Similar Documents

Publication Publication Date Title
CN103537500B (en) Extrusion and molding method for cup-shaped part and special extrusion die
CN103879007B (en) Two dynamic hydropress
CN104289591B (en) A kind of hydraulic test for the shaping of aluminium alloy drawing extrusion cladding
CN201760499U (en) Backward deep drawing die with outer edge subject to back pressure of forward pressure belt
CN204035329U (en) A kind of hydraulic test be shaped for aluminium alloy drawing extrusion cladding
CN106984751B (en) A kind of the metalwork plate forging forming method and mold of the two-way protrusion of bottom belt
CN103551410B (en) Extrusion moulding method for shaft parts with flanges, and special extrusion mould
CN204122683U (en) A kind of cold-heading module for the manufacture of flange sleeve
CN103551408B (en) Extrusion moulding method for parts with inner flanges and outer flanges and extrusion mould
CN104289592A (en) Aluminum alloy drawing and extruding compound technology
CN104525811A (en) Part cold heading machining method
CN204398357U (en) A kind of double action hydraulic press
CN203887061U (en) Universal necking-down and flaring continuous die
CN103909110A (en) Blowout preventer oil cylinder making method and reverse extrusion die used thereby
CN206356453U (en) A kind of integrally formed mould of flanging cornerite
CN205085209U (en) Vertical many ripples of major diameter bellows one -time forming machine
CN202411308U (en) Separated obliterated forging device
CN202639139U (en) Attenuation and extension reforming device of cylindrical products
CN107931345B (en) A kind of horizontal contoured squeeze machine repeatedly
CN103909192A (en) Multidirectional die-forging hydraulic extrusion press
CN104228102A (en) Multi-machining-head dual-station numerical control forming hydraulic press
CN104289590B (en) A kind of bending combined forming process of essence punching processing L shape bool
CN203599260U (en) Extrusion forming mold
CN201988638U (en) Stamping mould
CN203155922U (en) Closed forging die frame of ordinary press

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20150617