CN204398357U - A kind of double action hydraulic press - Google Patents
A kind of double action hydraulic press Download PDFInfo
- 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
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- 238000007493 shaping process Methods 0.000 claims abstract description 55
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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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
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.
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 |
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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)
| 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 |
-
2014
- 2014-03-20 CN CN201420127425.4U patent/CN204398357U/en not_active Expired - Lifetime
Cited By (3)
| 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 |
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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 |
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| CX01 | Expiry of patent term |