CN204353268U - A kind of Double Tops hat numerical control hydraulic stretching pad produced for press bimodulus - Google Patents
A kind of Double Tops hat numerical control hydraulic stretching pad produced for press bimodulus Download PDFInfo
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- CN204353268U CN204353268U CN201420866879.3U CN201420866879U CN204353268U CN 204353268 U CN204353268 U CN 204353268U CN 201420866879 U CN201420866879 U CN 201420866879U CN 204353268 U CN204353268 U CN 204353268U
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Abstract
A kind of Double Tops hat numerical control hydraulic stretching pad produced for press bimodulus, comprise apical cap I, apical cap II, base, bearing, workbench, push rod I, push rod II, blank holder I, blank holder II, counterdie I, counterdie II, patrix I, patrix II and hydraulic system, workbench is fixedly mounted on base, patrix I and patrix II are fixedly mounted on bonding press, the upper end of push rod I is fixedly connected with blank holder I, lower end is fixedly connected with apical cap II, the upper end of push rod II is fixedly connected with blank holder II, and lower end is fixedly connected with apical cap I; 8 hydraulic cylinders of hydraulic system are arranged on bearing, and bearing is fixed on base; Apical cap I and apical cap II are supported by 4 hydraulic cylinders respectively, and hydraulic control system is connected with hydraulic cylinder by pipeline.Beneficial effect is: can regulate respectively two apical cap pressure, and the bimodulus that can carry out different drawing depth is produced; During work, pressure oscillation is little, and stamping parts quality is good; Stretching pad amasss little, and nominal pressure-pad-force can be enough large.
Description
Technical field
The utility model belongs to press field of engineering technology, particularly relates to the numerical control hydraulic stretching pad for press, and the Double Tops hat numerical control hydraulic particularly produced for press bimodulus stretches and pads.
Background technology
At present, the stretching pad that domestic punching press drawing press is conventional is that pure gas formula list apical cap (supporting plate) stretches pad, and the stretch weak point of pad of pure gas formula list apical cap (supporting plate) is: 1), the bimodulus that can not carry out different drawing depth produces; 2), pressure oscillation is very large, and drawing crack or the phenomenon such as wrinkling easily appear in the workpiece that makes to be stretched; 3), the pressure of air cushion is non-adjustable, can not provide the different pressure-pad-forces needed for the workpiece different distortion stage; 4), volume is large, and nominal pressure-pad-force is restricted.
Summary of the invention
The purpose of this utility model is the deficiency overcoming prior art existence, provides a kind of Double Tops to be preced with numerical control hydraulic stretching pad.Double Tops hat numerical control hydraulic pad is adopted to substitute existing pure gas formula list apical cap stretching pad.
To achieve these goals, the technical solution of the utility model is as follows: a kind of Double Tops hat numerical control hydraulic stretching pad produced for press bimodulus, comprise apical cap, base, bearing, workbench, push rod, blank holder, counterdie, patrix and hydraulic system, workbench is fixedly mounted on base, it is characterized in that: described apical cap comprises apical cap I and apical cap II, described push rod comprises push rod I and push rod II, described blank holder comprises blank holder I and blank holder II, described counterdie comprises counterdie I and counterdie II, and described patrix comprises patrix I and patrix II; Described counterdie I and counterdie II fixedly mount on the table, described patrix I and patrix II are fixedly mounted on bonding press, described push rod I forms with upper straight rod by two, the upper end of push rod I is fixedly connected with blank holder I, lower end is fixedly connected with apical cap II, described push rod II forms with upper straight rod by two, and the upper end of push rod II is fixedly connected with blank holder II, and lower end is fixedly connected with apical cap I; Described hydraulic system comprises 8 hydraulic cylinders, bearing and hydraulic control systems, and hydraulic cylinder is arranged on bearing, and bearing is fixed on base; Described apical cap I and apical cap II are supported by 4 hydraulic cylinders respectively, and hydraulic control system is connected with hydraulic cylinder by pipeline, and an interface of hydraulic cylinder connects servo valve group by pipeline, and another interface of hydraulic pressure connects accumulator by pipeline.
A kind of Double Tops hat numerical control hydraulic stretching pad produced for press bimodulus described in the utility model, it is characterized in that: described hydraulic control system comprises 4 groups of servo valve groups and 4 accumulators, described servo valve group often group comprises an overflow valve, a three-position four-way valve and an electro-hydraulic reversing valve, overflow valve, three-position four-way valve and electro-hydraulic reversing valve are connected with pipeline successively, and overflow valve and electro-hydraulic reversing valve are connected with the upper and lower cavity of hydraulic cylinder respectively.
The beneficial effects of the utility model are:
1, the utility model adopts Double Tops hat numerical control hydraulic pad to substitute existing pure gas formula list apical cap stretching pad, and can regulate respectively two apical cap pressure, the bimodulus that can carry out different drawing depth is produced.
2, during utility model works, pressure oscillation is little, and stamping parts quality is good.
3, the utility model makes stretching pad smaller volume, and nominal pressure-pad-force can design enough large.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model specific embodiment.
Fig. 2 is the schematic diagram of the utility model hydraulic control system.
In figure: 1, apical cap I (supporting plate), 2, apical cap II (supporting plate), 3, base, 4, bearing, 5, hydraulic cylinder, 6, servo valve group, 7, accumulator, 8, workbench, 9, push rod I, 10, blank holder I, 11, counterdie I, 12, patrix I, 13, push rod II, 14, blank holder II, 15, counterdie II, 16, patrix II, 17, overflow valve, 18, electro-hydraulic reversing valve, 19, three-position four-way valve.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
For the Double Tops hat numerical control hydraulic stretching pad that press bimodulus is produced, comprise apical cap, base 3, bearing 4, workbench 8, push rod, blank holder, counterdie, patrix and hydraulic system, workbench 8 fixedly mounts on the base 3, apical cap comprises apical cap I 1 and apical cap II 2, push rod comprises push rod I 9 and push rod II 13, blank holder comprises blank holder I 10 and blank holder II 14, and counterdie comprises counterdie I 11 and counterdie II 15, and patrix comprises patrix I 12 and patrix II 16; Counterdie I and counterdie II are fixedly mounted on workbench 8, patrix I 12 and patrix II 16 are fixedly mounted on bonding press, push rod I 9 forms with upper straight rod by two, the upper end of push rod I 9 is fixedly connected with blank holder I 10, lower end is fixedly connected with apical cap II 2, push rod II 13 forms with upper straight rod by two, and the upper end of push rod II 13 is fixedly connected with blank holder II 14, and lower end is fixedly connected with apical cap I 1; Hydraulic system comprises 8 hydraulic cylinders 5, bearing 4 and hydraulic control system, and hydraulic cylinder 5 is installed on the carrier 4, and bearing 4 is fixing on the base 3; Apical cap I 1 and apical cap II 2 are supported by 4 hydraulic cylinders 5 respectively, and hydraulic control system is connected with hydraulic cylinder 5 by pipeline.Hydraulic control system comprises 4 groups of servo valve groups 6 and 4 accumulators 7, servo valve group often group comprises an overflow valve, a three-position four-way valve and an electro-hydraulic reversing valve, overflow valve, three-position four-way valve and electro-hydraulic reversing valve are connected with pipeline successively, overflow valve and electro-hydraulic reversing valve are connected with the upper and lower cavity of hydraulic cylinder 5 respectively, an interface of hydraulic cylinder 5 connects servo valve group 6 by pipeline, and another interface of hydraulic cylinder 5 connects accumulator 7 by pipeline.
Claims (2)
1. the Double Tops hat numerical control hydraulic stretching pad produced for press bimodulus, comprise apical cap, base (3), bearing (4), workbench (8), push rod, blank holder, counterdie, patrix and hydraulic system, workbench (8) is fixedly mounted on base (3), it is characterized in that: described apical cap comprises apical cap I (1) and apical cap II (2), described push rod comprises push rod I (9) and push rod II (13), described blank holder comprises blank holder I (10) and blank holder II (14), described counterdie comprises counterdie I (11) and counterdie II (15), described patrix comprises patrix I (12) and patrix II (16), described counterdie I and counterdie II are fixedly mounted on workbench (8), described patrix I (12) and patrix II (16) are fixedly mounted on bonding press, described push rod I (9) forms with upper straight rod by two, the upper end of push rod I (9) is fixedly connected with blank holder I (10), lower end is fixedly connected with apical cap II (2), described push rod II (13) forms with upper straight rod by two, the upper end of push rod II (13) is fixedly connected with blank holder II (14), and lower end is fixedly connected with apical cap I (1), described hydraulic system comprises 8 hydraulic cylinders (5), bearing (4) and hydraulic control system, and hydraulic cylinder (5) is arranged on bearing (4), and bearing (4) is fixed on base (3), described apical cap I (1) and apical cap II (2) are supported by 4 hydraulic cylinders (5) respectively, and hydraulic control system is connected with hydraulic cylinder (5) by pipeline.
2. a kind of Double Tops hat numerical control hydraulic stretching pad produced for press bimodulus according to claim 1, it is characterized in that: described hydraulic control system comprises 4 groups of servo valve groups (6) and 4 accumulators (7), described servo valve group often group comprises an overflow valve, a three-position four-way valve and an electro-hydraulic reversing valve, overflow valve, three-position four-way valve and electro-hydraulic reversing valve are connected with pipeline successively, overflow valve and electro-hydraulic reversing valve are connected with the upper and lower cavity of hydraulic cylinder (5) respectively, an interface of hydraulic cylinder (5) connects servo valve group (6) by pipeline, another interface of hydraulic cylinder (5) connects accumulator (7) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420866879.3U CN204353268U (en) | 2014-12-29 | 2014-12-29 | A kind of Double Tops hat numerical control hydraulic stretching pad produced for press bimodulus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420866879.3U CN204353268U (en) | 2014-12-29 | 2014-12-29 | A kind of Double Tops hat numerical control hydraulic stretching pad produced for press bimodulus |
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| Publication Number | Publication Date |
|---|---|
| CN204353268U true CN204353268U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420866879.3U Active CN204353268U (en) | 2014-12-29 | 2014-12-29 | A kind of Double Tops hat numerical control hydraulic stretching pad produced for press bimodulus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550401A (en) * | 2014-12-29 | 2015-04-29 | 一重集团大连设计研究院有限公司 | Double-support-plate numerically-controlled hydraulic cushion for double-die production of pressing machine |
| CN106424292A (en) * | 2016-10-17 | 2017-02-22 | 江苏中兴西田数控科技有限公司 | Servo die cushion buffering device |
-
2014
- 2014-12-29 CN CN201420866879.3U patent/CN204353268U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550401A (en) * | 2014-12-29 | 2015-04-29 | 一重集团大连设计研究院有限公司 | Double-support-plate numerically-controlled hydraulic cushion for double-die production of pressing machine |
| CN106424292A (en) * | 2016-10-17 | 2017-02-22 | 江苏中兴西田数控科技有限公司 | Servo die cushion buffering device |
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