CN203635714U - Upper hydraulic cushion for blanking press - Google Patents
Upper hydraulic cushion for blanking press Download PDFInfo
- Publication number
- CN203635714U CN203635714U CN201320890014.6U CN201320890014U CN203635714U CN 203635714 U CN203635714 U CN 203635714U CN 201320890014 U CN201320890014 U CN 201320890014U CN 203635714 U CN203635714 U CN 203635714U
- Authority
- CN
- China
- Prior art keywords
- upper hydraulic
- die cushion
- hydraulic die
- hydraulic cushion
- flanging
- 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
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- 238000003466 welding Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 8
- 238000005242 forging Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model discloses an upper hydraulic cushion for a blanking press. The upper hydraulic cushion for the blanking press comprises an upper hydraulic cushion frame, a blank pressing cylinder, a sliding plate, an inner sliding block, a wear-resisting plate, a guide sleeve, a blank pressing rod and a lower cushion plate. The upper hydraulic cushion frame is of a box type welded structure, the upper portion of the upper hydraulic cushion frame is connected with a press sliding block, the lower portion of the upper hydraulic cushion frame is connected with a die through the lower cushion plate, the blank pressing cylinder is mounted in a cavity of the upper hydraulic cushion frame through bolts, the blank pressing cylinder is under closed-loop control through a pressure sensor and a servo valve, the effect that output blank holder force is identical with a set value is guaranteed, the inner slicing block moves up and down along the sliding plate in the upper hydraulic cushion frame, the blank pressing rod is hung on the inner sliding block through a T-shaped head, and the blank pressing cylinder is a stepless adjustable closed-loop controlled blank pressing cylinder. The upper hydraulic cushion for the blanking press can set different blank holder force according to areas, stepless adjusting can be achieved on the blank holder force of each area, the closed-loop control is high in control precision, and good application prospect is achieved. Due to the unique T-shaped head hanging type design, the blank pressing rod is good in interchangeability and convenient to mount.
Description
Technical field
The utility model relates to a kind of upper hydraulic die cushion for blanking press, belongs to technical field of forging and pressing equipment.
Background technology
Blanking press is mainly used in the blanking after metal sheet forming part, tensioning member and swaging, is widely used in the fields such as automobile, aircraft, space flight, railway, household electrical appliances, electrical equipment.Sheet metal, in the process of blanking, in order to guarantee stamping quality, need to apply certain pressure-pad-force to sheet material, realizes the uniformity that its distortion stretches.Forging equipment field at present, blanking press is realized flanging function in the course of the work does not also have good solution, belongs to a technical barrier of forging equipment.
The upper hydraulic die cushion existing at present is mainly made up of hydraulic cylinder and blank holder, can only simple realization flanging function, can not control well pressure-pad-force, and pressure-pad-force on demand subregion arranges, sheet stamping forming part mass effect is bad, therefore a lot of blanking press are all used the control of lower stretching pad, but effect is not very desirable.
Summary of the invention
The problems referred to above that exist for solving prior art, the utility model will design a kind of upper hydraulic die cushion of the inhomogeneity blanking press of realizing distortion stretching.
To achieve these goals, the technical solution of the utility model is as follows: a kind of upper hydraulic die cushion of blanking press, comprise hydraulic die cushion framework, flanging cylinder, slide plate, inner slide, wearing plate, guide pin bushing, flanging bar and lower bolster, described upper hydraulic die cushion framework is box Welding Structure, its top is connected with press slide, bottom is by lower bolster connecting mold, described flanging cylinder is arranged on by bolt in the cavity of upper hydraulic die cushion framework, flanging cylinder is by pressure sensor and servo valve closed-loop control, guarantee that output pressure-pad-force is identical with setting value, described slide plate is arranged on the guiding position of hydraulic die cushion framework inside, described inner slide moves up and down along slide plate in upper hydraulic die cushion framework, described wearing plate is arranged on the lower raft of inner slide, described guide pin bushing is arranged in the pilot hole of lower bolster inside, described flanging bar hangs on inner slide by T shape head, described lower bolster is arranged on hydraulic die cushion framework bottom, connect mold by tommyhead bolt or special patrix binding clasp, described flanging cylinder is stepless adjustable closed-loop control flanging cylinder.
Flanging cylinder described in the utility model is arranged symmetrically with 2 groups, 4 groups or 6 groups according to actual needs, respectively organizes flanging cylinder and controls separately.
Operation principle of the present utility model is as follows:
Flanging cylinder belongs to the executing agency of hydraulic die cushion, and flanging cylinder produces pressure-pad-force.Slide plate play the guiding role to inner slide.Inner slide is the motion of upper hydraulic die cushion, moves up and down along slide plate by the driving of flanging cylinder.Wearing plate is arranged on the bottom of inner slide, for hanging flanging bar and bearing pressure-pad-force, has higher wearability.Guide pin bushing is arranged on lower bolster inside, and flanging bar is play the guiding role.Flanging bar hangs on inner slide by special T shape head, realizes the flanging control to sheet metal.
Compared with prior art, the utlity model has following beneficial effect:
1, because the utility model adopts the stepless adjustable closed-loop control flanging cylinder of many groups, in realization, pressure-pad-force is exported as required, guarantees that flanging ability is reliable and stable, improves metal sheet forming quality;
2, adopt the guide pin bushing design of inner slide guider and flanging bar due to the utility model, guarantee that flanging process control precision is high;
3, flanging cylinder is by pressure sensor and servo valve closed-loop control, and pressure-pad-force can be by predetermined curve control;
4, the utility model adopts the grouping of flanging cylinder to control separately, applied widely;
5, the T shape head suspension formula of flanging bar uniqueness of the present utility model design, interchangeability is good, easy for installation.
6, the upper hydraulic die cushion for blanking press of the present utility model, can arrange different pressure-pad-forces in subregion, and the pressure-pad-force in each region can be realized stepless adjustable, closed-loop control, and control accuracy is high, has good application prospect.
Accompanying drawing explanation
Only 1 of drawings attached of the utility model, wherein:
Fig. 1 is structural representation of the present utility model.
In figure: 1, upper hydraulic die cushion framework, 2, flanging cylinder, 3, slide plate, 4, inner slide, 5, wearing plate, 6, guide pin bushing, 7, flanging bar, 8, lower bolster, 9, press slide, 10, mold.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.As shown in Figure 1, a kind of upper hydraulic die cushion of blanking press, comprise hydraulic die cushion framework 1, flanging cylinder 2, slide plate 3, inner slide 4, wearing plate 5, guide pin bushing 6, flanging bar 7 and lower bolster 8, described upper hydraulic die cushion framework 1 is box Welding Structure, its top is connected with press slide 9, bottom is by lower bolster 8 connecting molds, described flanging cylinder 2 is arranged on by bolt in the cavity of upper hydraulic die cushion framework 1, flanging cylinder 2 is by pressure sensor and servo valve closed-loop control, guarantee that output pressure-pad-force is identical with setting value, described slide plate 3 is arranged on the guiding position of hydraulic die cushion framework 1 inside, described inner slide 4 moves up and down along slide plate 3 upper hydraulic die cushion framework 1 is interior, described wearing plate 5 is arranged on the lower raft of inner slide 4, described guide pin bushing 6 is arranged in the pilot hole of lower bolster 8 inside, described flanging bar 7 hangs on inner slide 4 by T shape head, described lower bolster 8 is arranged on hydraulic die cushion framework 1 bottom, connect mold 10 by tommyhead bolt or special patrix binding clasp, described flanging cylinder 2 is stepless adjustable closed-loop control flanging cylinder 2.Described flanging cylinder 2 is arranged symmetrically with 2 groups, 4 groups or 6 groups according to actual needs, respectively organizes flanging cylinder 2 and controls separately.
The course of work of the present utility model is as follows:
Press slide 9 drives upper hydraulic die cushion downlink working, and in the time that mold 10 starts contacting metal sheet material, upper hydraulic die cushion is started working.Flanging cylinder 2 cut-in pressure oil, piston rod promotes inner slide 4 and moves downward along slide plate 3.Inner slide 4 promotes flanging bar 7 by wearing plate 5 and moves downward contacting metal sheet material along guide pin bushing 6, applies pressure-pad-force.Upper hydraulic die cushion continues to move downward under the drive of slide block 9, realizes the stretch forming to sheet metal, and in whole drawing process, flanging bar 7 produces uniform pressure-pad-force, realizes flanging function, guarantees the homogeneous deformation of sheet metal.After stretch forming finishes, slide block drives upper hydraulic die cushion backhaul, and flanging bar 7 can be realized dnockout function, and when backhaul is to certain altitude, the 2 pressure oil commutations of flanging cylinder, drive upwards backhaul of inner slide 4, and flanging bar 7 thereupon backhaul, to original state, is prepared to work next time.Lower bolster 8 has multiple holes of wearing flanging bar 7, when production according to quantity and the position of technological requirement reasonable Arrangement flanging bar 7.
Claims (2)
1. the upper hydraulic die cushion of a blanking press, it is characterized in that: comprise hydraulic die cushion framework (1), flanging cylinder (2), slide plate (3), inner slide (4), wearing plate (5), guide pin bushing (6), flanging bar (7) and lower bolster (8), described upper hydraulic die cushion framework (1) is box Welding Structure, its top is connected with press slide (9), bottom is by lower bolster (8) connecting mold, described flanging cylinder (2) is arranged on by bolt in the cavity of upper hydraulic die cushion framework (1), flanging cylinder (2) is by pressure sensor and servo valve closed-loop control, guarantee that output pressure-pad-force is identical with setting value, described slide plate (3) is arranged on the inner guiding position of hydraulic die cushion framework (1), described inner slide (4) moves up and down along slide plate (3) in upper hydraulic die cushion framework (1), described wearing plate (5) is arranged on the lower raft of inner slide (4), described guide pin bushing (6) is arranged in the inner pilot hole of lower bolster (8), described flanging bar (7) hangs on inner slide (4) by T shape head, described lower bolster (8) is arranged on hydraulic die cushion framework (1) bottom, connect mold (10) by tommyhead bolt or special patrix binding clasp, described flanging cylinder (2) is stepless adjustable closed-loop control flanging cylinder (2).
2. the upper hydraulic die cushion of a kind of blanking press according to claim 1, is characterized in that: described flanging cylinder (2) is arranged symmetrically with 2 groups, 4 groups or 6 groups according to actual needs, respectively organizes flanging cylinder (2) and controls separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890014.6U CN203635714U (en) | 2013-12-31 | 2013-12-31 | Upper hydraulic cushion for blanking press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890014.6U CN203635714U (en) | 2013-12-31 | 2013-12-31 | Upper hydraulic cushion for blanking press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203635714U true CN203635714U (en) | 2014-06-11 |
Family
ID=50866994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320890014.6U Expired - Lifetime CN203635714U (en) | 2013-12-31 | 2013-12-31 | Upper hydraulic cushion for blanking press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203635714U (en) |
-
2013
- 2013-12-31 CN CN201320890014.6U patent/CN203635714U/en not_active Expired - Lifetime
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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: 20140611 |
|
| CX01 | Expiry of patent term |