CN103302885B - Novel double-acting hydraulic drawing press for thick plates - Google Patents
Novel double-acting hydraulic drawing press for thick plates Download PDFInfo
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- CN103302885B CN103302885B CN201310163795.3A CN201310163795A CN103302885B CN 103302885 B CN103302885 B CN 103302885B CN 201310163795 A CN201310163795 A CN 201310163795A CN 103302885 B CN103302885 B CN 103302885B
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Abstract
The invention discloses a novel double-acting hydraulic drawing press for thick plates. The novel double-acting hydraulic drawing press for the thick plates comprises a machine body (9), a main cylinder (4), a side cylinder (5), a liquid filled tank (3), a lower oil tank (15), a hydraulic control cabinet (13) and an electrical cabinet (16). The hydraulic drawing press also comprises a drawing slide (6) and a blankholder slide (8); the main cylinder (4) and the side cylinder (5) are fixedly arranged on the machine body (9); lower parts of cylinder piston rod ends of the main cylinder (4) and the side cylinder (5) are connected with the drawing slide (6); the blankholder slide (8) of the hydraulic drawing press is located right below the drawing slide (6) and is connected with the drawing slide (6); a drawing die and a blankholder die are respectively and fixedly arranged on the external lower plane of the blankholder slide (8). The novel double-acting hydraulic drawing press for the thick plates has the advantages that the pressing problems of thick plate window parts and corrugated parts in rail transit industry are solved, and various specifications of irregular workpieces of which the interiors and the exteriors are concave and convex can be drawn out.
Description
Technical field
The present invention relates to metal forming machinery field, specifically a kind of novel double-movable thick plate stretching hydraulic machine.
Background technology
In current double action hydraulic press type, flanging and stretching slide block mostly are plunger and outer slides structural formula, for the part of the external and internal compositions that stretches.And the forms part of track traffic industry to be integral transition concavo-convex distributed, the flanging of external and internal compositions and stretching slide block structure can not meet the compacting of this kind of part.
Summary of the invention
In view of this, the present invention is necessary to provide a kind of novel double-movable thick plate stretching hydraulic machine, for solving the compressing problem of the irregular concavo-convex distribution thick-plate parts of track traffic industry.
The present invention realizes like this, a kind of novel double-movable thick plate stretching hydraulic machine, comprise fuselage (9), master cylinder (4), side cylinder (5), topping up case (3), lower fuel tank (15), hydraulic control cabinet (13), regulator cubicle (16), it is characterized in that: also comprise stretching slide block (6), blankholder slide (8), hydraulic press master cylinder (4) and side cylinder (5) are fixed on fuselage (9), master cylinder (4) is connected with stretching slide block (6) with the Cylinder Plunger rod end bottom of side cylinder (5), the blankholder slide (8) of hydraulic press is positioned at immediately below stretching slide block (6), be connected with stretching slide block (6), stretching die and edge mould are all fixed on the outside lower plane of blankholder slide (8).
As the further improvement of such scheme, blankholder slide (8) comprises framework (80), flanging cylinder (81), upper flanging pad (82), flanging bar (83), upper flanging pad Quenching Sheet (87), flanging pad connecting plate (88), flanging bar installing plate (89), each part of blankholder slide (8) includes therein by framework (80), upper flanging pad (82) is connected with flanging cylinder (81) by flanging pad connecting plate (88) screw, upper flanging pad (82) is positioned at the below of flanging cylinder (81), flanging cylinder (81) top is fixed on stretching slide block (6), upper flanging pad Quenching Sheet (87) is arranged on flanging pad (82) lower surface, and the upper surface of upper flanging pad (82) and the plunger rod step surface of flanging cylinder (81) compress and combine, flanging bar (83) is lifted on the below of flanging bar installing plate (89), flanging bar installing plate (89) screw is arranged on the below of upper flanging pad (82).
As the further improvement of such scheme, described blankholder slide (8) also comprises the flanging pad lead (85) of its guide effect, installing hole is coaxially offered in the corresponding position, corner of the upper and lower panel of upper flanging pad (82), Nonlubricated bearing (90) is all installed in installing hole, and compress Nonlubricated bearing (90) with gland (91), four flanging pad lead (85) bottoms are fixed on the lower surface (801) in the framework (80) of blankholder slide (8), flanging pad lead (85) upper end is successively through the installing hole of the lower top panel of upper flanging pad (82), and the upper end of flanging pad lead (85) is against on the upper surface (802) in framework (80).
As the further improvement of such scheme, described blankholder slide (8) also comprises flanging cushion pad (86), and flanging cushion pad (86) is arranged symmetrically on the center line of the top panel of flanging pad (82), and protrudes from the top panel of flanging pad (82).
As the further improvement of such scheme, described blankholder slide also comprises plum blossom lobe (84) and secondary flanging bar 92, plum blossom lobe (84) is screwed on the lower plane of flanging bar (83), the lower surface of plum blossom lobe (84) has three place's radians and empties (842), the radian that the top of secondary flanging bar 92 corresponds to plum blossom lobe (84) lower surface empties (842), and to have three place's circular arcs protruding, secondary flanging bar 92 adopts the mode of bayonet socket to be connected with plum blossom lobe (84), three place's circular arcs of secondary flanging bar 92 are protruding empties (842) place to upper with three place's radians of plum blossom lobe (84).
As the further improvement of such scheme, also comprise underlying cushion dashpot (10) and buffering electric adjusting device (7), underlying cushion dashpot (10) is fixed on fuselage (9) by buffering stand, buffering electric adjusting device (7) is fixed on stretching slide block (6) left and right side, and underlying cushion dashpot (10) is positioned at immediately below the correspondence of buffering electric adjusting device (7).
As the further improvement of such scheme, described hydraulic press is also provided with shift-forward type travelling table (11), travelling table (11) can travel forward along fuselage (9), auxiliary servo actuated cover board is connected to before and after it, when hydraulic press works, travelling table is clamped on fuselage (9), when shift-forward type travelling table and fuselage (9) are separated from, along track reach, the space of exposing when the working face that auxiliary servo actuated cover board covers in travelling table shifts out.
As the further improvement of such scheme, the Oil pump electrical machinery group of hydraulic press is arranged on lower fuel tank, and topping up case three circulating types are fixed on back, it is provided with the valve block that hydraulic control owner oil cylinder (4) and side cylinder (5) move.
As the further improvement of such scheme; described hydraulic press also comprises protective device (1), upper mounting plate (2), emergency staircase (12); upper mounting plate (2) is fixed on fuselage (9) the top; emergency staircase (12) is positioned at fuselage (9) side; its upper end connects upper mounting plate (2), and upper mounting plate (2) surrounding establishes protective device (1).
As the further improvement of such scheme, false framework (14) also established by described hydraulic press, it is fixed by screws in fuselage (9) right side, hydraulic control cabinet (13) is fixed on false framework (14), and the main detected pressures table of hydraulic press and remote pressure regulating valve are installed on hydraulic control cabinet (13).
The invention has the advantages that: the compacting problem solving track traffic industry slab forms part and corrugation part, can the inside and outside concavo-convex irregular product of stretched plurality of specifications.The present invention expands the application of hydraulic press, has enriched the kind of hydraulic press, and make the application collocation variation of hydraulic press, press function is also more comprehensive and powerful.
Accompanying drawing explanation
The general structure schematic diagram of the hydraulic press that Fig. 1 provides for the present invention more comprehensively.
Fig. 2 is the blankholder slide structural representation in the present invention.
Fig. 3 is the flanging pad lead scheme of installation in the present invention.
Fig. 4 is the plum blossom valve structure schematic diagram in the present invention.
Fig. 5 is the plum blossom lobe mounting structure schematic diagram in the present invention.
Fig. 6 to Fig. 9 is the suppressible design of part plane of the present invention.
Primary symbols illustrates: protective device 1, upper mounting plate 2, topping up case 3, master cylinder 4, side cylinder 5, stretching slide block 6, buffering electric adjusting device 7, blankholder slide 8, fuselage 9, underlying cushion dashpot 10, travelling table and front and back servo actuated cover board 11, emergency staircase 12, hydraulic control cabinet 13, false framework 14, lower fuel tank 15, regulator cubicle 16.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, the general structure schematic diagram of its this hydraulic press provided for better embodiment of the present invention.Novel double-movable thick plate stretching hydraulic machine of the present invention comprises fuselage 9, master cylinder 4, side cylinder 5, topping up case 3, lower fuel tank 15, hydraulic control cabinet 13, stretching slide block 6, blankholder slide 8, underlying cushion dashpot 10 and buffering electric adjusting device 7, travelling table 11, protective device 1, upper mounting plate 2, emergency staircase 12, regulator cubicle 16, false framework 14 etc.
Hydraulic press master cylinder 4 and side cylinder 5 are fixed on fuselage 9 by inferior part of the cylinder block step and upper nut, master cylinder 4 is connected with stretching slide block 6 by screw with the Cylinder Plunger rod end lower flange of side cylinder 5, stretching slide block 6 moves up and down along with the Cylinder Plunger bar of master cylinder 4 and side cylinder 5, applies the main tonnage (not shown) of hydraulic press.
The blankholder slide 8 of hydraulic press is positioned at immediately below stretching slide block 6, is connected with stretching slide block 6 by four attachment bolts, has upper flanging to pad pressing machine flanging function in blankholder slide 8; Its concrete structure is shown in Fig. 2.
Refer to Fig. 2, blankholder slide 8 comprises framework 80, flanging cylinder 81, upper flanging pad 82, flanging bar 83, flanging pad lead 85, flanging cushion pad 86, upper flanging pad Quenching Sheet 87, flanging pad connecting plate 88, flanging bar installing plate 89.Each part of blankholder slide 8 includes therein by framework 80.Upper flanging pad 82 is connected with flanging cylinder 81 with screw by flanging pad connecting plate 88, and upper flanging pad 82 is positioned at the below of flanging cylinder 81, is fixed on stretching slide block 6 above flanging cylinder 81.Upper flanging pad Quenching Sheet 87 screw is arranged on upper flanging pad 82 lower surface, and the upper surface of upper flanging pad 82 and the plunger rod step surface of flanging cylinder 81 compress and combine, flanging bar 83 is lifted on the below of flanging bar installing plate 89, and flanging bar installing plate 89 screw is arranged on the below of upper flanging pad 82.Upper flanging pad 82 moves along with flanging cylinder 81.As shown in Figure 3, installing hole (not shown) is coaxially offered in the corresponding position, corner of the upper and lower panel of upper flanging pad 82, in installing hole, Nonlubricated bearing 90 is all installed, and compress Nonlubricated bearing 90 with gland 91, four flanging pad lead 85 bottoms are fixed on the lower surface 801 in the framework 80 of blankholder slide 8, flanging pad lead 85 upper end is successively through the installing hole of the lower top panel of upper flanging pad 82, and the upper end of flanging pad lead 85 is against on the upper surface 802 in framework 80, flanging pad lead 85 realizes guide effect when upper flanging pad 82 moves up and down.
Flanging cushion pad 86 is arranged symmetrically on the center line of the top panel of flanging pad 82, and protrudes from the top panel of flanging pad 82, when upper flanging pad 82 moves to the lower plane close to stretching slide block 6, and flanging cushion pad 86 cushioning effects.
Please refer to Fig. 4 and Fig. 5, blankholder slide 8 can also comprise plum blossom lobe 84 and secondary flanging bar 92, plum blossom lobe 84 is screwed on the lower plane of flanging bar 83, the lower surface of plum blossom lobe 84 has three place's radians and empties 842, to be convenient to install secondary flanging bar 92, the radian that the top of secondary flanging bar 92 corresponds to plum blossom lobe 84 lower surface empties 842, and to have three place's circular arcs protruding, secondary flanging bar 92 and plum blossom lobe 84 adopt the mode of bayonet socket to be connected, when secondary flanging bar 92 is installed, only need plug and spin, allow protruding 842 places that empty with three place's radians of plum blossom lobe 84 of three place circular arcs of secondary flanging bar 92 to above.The effect of plum blossom lobe 84 is the handling facilitating large diameter secondary flanging bar 92, replaces thread connecting mode, fast easy to loading and unloading.
Shift-forward type travelling table 11 established by hydraulic press, and travelling table 11 can travel forward along fuselage 9, is connected to auxiliary servo actuated cover board (figure does not indicate), effectively to hide the space of exposing when travelling carriage shifts out before and after it.When hydraulic press works, travelling table is clamped on fuselage 9, when shift-forward type travelling table and fuselage 9 are separated from, along track reach, and the space of exposing when the working face that auxiliary servo actuated cover board effectively can cover in travelling table shifts out.
False framework 14 established by hydraulic press, and it is fixed by screws on the right side of fuselage 9, and hydraulic control cabinet 13 is fixed on false framework 14, and the main detected pressures table of hydraulic press and remote pressure regulating valve are installed on hydraulic control cabinet 13.
Hydraulic press is set and is put cushion dashpot 10 and buffering electric adjusting device 7, underlying cushion dashpot 10 is fixed on fuselage 9 by buffering stand, buffering electric adjusting device 7 is fixed on stretching slide block 6 left and right side, and underlying cushion dashpot 10 is positioned at immediately below the correspondence of buffering electric adjusting device 7.When stretching slide block 6 drops to buffering sender point, hydraulic press performs pooling feature.Only for the press second level pressure duty during buffering.
Hydraulic press sets fuel tank 15 and topping up case 3, and the Oil pump electrical machinery group of press is arranged on lower fuel tank 15, and for press provides power resources, topping up case 3 three circulating types are fixed on fuselage 9 top, it is provided with the valve block etc. controlling press top cylinder movement.
Hydraulic press establishes protective device 1, upper mounting plate 2, emergency staircase 12; upper mounting plate 2 is fixed on fuselage 9 the top, and emergency staircase 12 is positioned at fuselage 9 side, and its upper end connects upper mounting plate 2; upper mounting plate 2 surrounding establishes protective device 1, for facilitating press maintenance personal operating maintenance and carrying out safeguard protection.
Regulator cubicle 16 is established on the right side of the fuselage 9 of hydraulic press, for carrying out the electrical control effect of press.
Above-mentioned fuselage 9, lower fuel tank 15, regulator cubicle 16 are fixed on ground.
Part in Fig. 6 to Fig. 9 can be compressing in this hydraulic press, and certainly, other parts with concaveconvex structure all can be compressing in this hydraulic press.Square hole concave shape needs stretching die drawing and forming, and square hole outer raised portion then needs edge mould to push down, and stretching die and edge mould are all fixed on the outside lower plane of blankholder slide 8.The size of the power on the upper flanging pad 82 of reasonable adjusting stretching slide block 6 and blankholder slide 8, can suppress multiple irregular thick-plate parts.Two dynamic compressors of existing general plunger and outer slides do not suppress this irregular thick-plate parts.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a novel double-movable thick plate stretching hydraulic machine, comprise fuselage (9), master cylinder (4), side cylinder (5), topping up case (3), lower fuel tank (15), hydraulic control cabinet (13), regulator cubicle (16), also comprise stretching slide block (6), blankholder slide (8), hydraulic press master cylinder (4) and side cylinder (5) are fixed on fuselage (9), master cylinder (4) is connected with stretching slide block (6) with the Cylinder Plunger rod end bottom of side cylinder (5), the blankholder slide (8) of hydraulic press is positioned at immediately below stretching slide block (6), be connected with stretching slide block (6), it is characterized in that: stretching die and edge mould are all fixed on the outside lower plane of blankholder slide (8),
Blankholder slide (8) comprises framework (80), flanging cylinder (81), upper flanging pad (82), flanging bar (83), upper flanging pad Quenching Sheet (87), flanging pad connecting plate (88), flanging bar installing plate (89), each part of blankholder slide (8) includes therein by framework (80), upper flanging pad (82) is connected with flanging cylinder (81) by flanging pad connecting plate (88) screw, upper flanging pad (82) is positioned at the below of flanging cylinder (81), flanging cylinder (81) top is fixed on stretching slide block (6), upper flanging pad Quenching Sheet (87) is arranged on flanging pad (82) lower surface, the upper surface of upper flanging pad (82) and the plunger rod step surface of flanging cylinder (81) compress and combine, flanging bar (83) is lifted on the below of flanging bar installing plate (89), flanging bar installing plate (89) screw is arranged on the below of upper flanging pad (82),
Described blankholder slide also comprises plum blossom lobe (84) and secondary flanging bar 92, plum blossom lobe (84) is screwed on the lower plane of flanging bar (83), the lower surface of plum blossom lobe (84) has three place's radians and empties (842), the radian that the top of secondary flanging bar 92 corresponds to plum blossom lobe (84) lower surface empties (842), and to have three place's circular arcs protruding, secondary flanging bar 92 adopts the mode of bayonet socket to be connected with plum blossom lobe (84), three place's circular arcs of secondary flanging bar 92 are protruding empties (842) place to upper with three place's radians of plum blossom lobe (84).
2. novel double-movable thick plate stretching hydraulic machine as claimed in claim 1, it is characterized in that: described blankholder slide (8) also comprises the flanging pad lead (85) play the guiding role, installing hole is coaxially offered in the corresponding position, corner of the upper and lower panel of upper flanging pad (82), Nonlubricated bearing (90) is all installed in installing hole, and compress Nonlubricated bearing (90) with gland (91), four flanging pad lead (85) bottoms are fixed on the lower surface (801) in the framework (80) of blankholder slide (8), flanging pad lead (85) upper end is successively through the installing hole of the lower top panel of upper flanging pad (82), and the upper end of flanging pad lead (85) is against on the upper surface (802) in framework (80).
3. novel double-movable thick plate stretching hydraulic machine as claimed in claim 1, it is characterized in that: described blankholder slide (8) also comprises flanging cushion pad (86), flanging cushion pad (86) is arranged symmetrically on the center line of the top panel of flanging pad (82), and protrudes from the top panel of flanging pad (82).
4. novel double-movable thick plate stretching hydraulic machine as claimed in claim 1, it is characterized in that: also comprise underlying cushion dashpot (10) and buffering electric adjusting device (7), underlying cushion dashpot (10) is fixed on fuselage (9) by buffering stand, buffering electric adjusting device (7) is fixed on stretching slide block (6) left and right side, and underlying cushion dashpot (10) is positioned at immediately below the correspondence of buffering electric adjusting device (7).
5. novel double-movable thick plate stretching hydraulic machine as claimed in claim 1, it is characterized in that: described hydraulic press is also provided with shift-forward type travelling table (11), travelling table (11) can travel forward along fuselage (9), auxiliary servo actuated cover board is connected to before and after it, when hydraulic press works, travelling table is clamped on fuselage (9), when shift-forward type travelling table and fuselage (9) are separated from, along track reach, the space of exposing when the working face that auxiliary servo actuated cover board covers in travelling table shifts out.
6. novel double-movable thick plate stretching hydraulic machine as claimed in claim 1, it is characterized in that: the Oil pump electrical machinery group of hydraulic press is arranged on lower fuel tank, topping up case three circulating types are fixed on back, it are provided with the valve block that hydraulic control owner oil cylinder (4) and side cylinder (5) move.
7. novel double-movable thick plate stretching hydraulic machine as claimed in claim 1; it is characterized in that: described hydraulic press also comprises protective device (1), upper mounting plate (2), emergency staircase (12); upper mounting plate (2) is fixed on fuselage (9) the top; emergency staircase (12) is positioned at fuselage (9) side; its upper end connects upper mounting plate (2), and upper mounting plate (2) surrounding establishes protective device (1).
8. novel double-movable thick plate stretching hydraulic machine as claimed in claim 1, it is characterized in that: false framework (14) also established by described hydraulic press, it is fixed by screws in fuselage (9) right side, hydraulic control cabinet (13) is fixed on false framework (14), and the main detected pressures table of hydraulic press and remote pressure regulating valve are installed on hydraulic control cabinet (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310163795.3A CN103302885B (en) | 2013-05-07 | 2013-05-07 | Novel double-acting hydraulic drawing press for thick plates |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310163795.3A CN103302885B (en) | 2013-05-07 | 2013-05-07 | Novel double-acting hydraulic drawing press for thick plates |
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| CN103302885A CN103302885A (en) | 2013-09-18 |
| CN103302885B true CN103302885B (en) | 2015-05-20 |
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| CN103692692A (en) * | 2013-12-11 | 2014-04-02 | 滁州市圣宏制造有限公司 | Convenient and practical hydraulic press |
| CN103737957A (en) * | 2013-12-20 | 2014-04-23 | 广西南宁百兰斯科技开发有限公司 | Press machine with damping cushion blocks |
| CN103801610A (en) * | 2014-01-24 | 2014-05-21 | 太仓市其盛化纤厂 | Hydraulic drawing press |
| CN105216360B (en) * | 2015-10-19 | 2017-03-22 | 上海理工大学 | Miniature double-acting hydraulic machine and forming method |
| CN105818416B (en) * | 2016-04-23 | 2018-01-12 | 大连顶金通用设备制造股份有限公司 | A kind of multiple press device and its manufacture method |
| CN105921626B (en) * | 2016-04-23 | 2018-02-27 | 大连顶金通用设备制造股份有限公司 | A kind of more moving mold devices and its manufacture method |
| CN113399523B (en) * | 2021-04-30 | 2022-09-16 | 天津市天锻压力机有限公司 | Large-span double-rotation pressure head frame type hydraulic machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122781U (en) * | 1991-12-30 | 1992-11-25 | 机电部北京机电研究所 | Shaping apparatus of internal decorating element for vehicles |
| CN2659674Y (en) * | 2003-11-24 | 2004-12-01 | 天津市天锻压力机有限公司 | Large double dynamic stretching hydraulic press with automatic mould changing appts. |
| CN1621221A (en) * | 2003-11-24 | 2005-06-01 | 天津市天锻压力机有限公司 | Large-scale double-action hydraulic drawing machine for heavy plate |
| CN1883931A (en) * | 2006-07-07 | 2006-12-27 | 合肥锻压机床有限公司 | Numerically-controlled heading hydraulic press |
| CN101758630A (en) * | 2009-11-03 | 2010-06-30 | 天津市天锻压力机有限公司 | Double-action thick plate stretching hydraulic machine |
| CN201633222U (en) * | 2010-03-21 | 2010-11-17 | 徐州压力机械有限公司 | Composite molding die-trial hydraulic press |
| CN201752940U (en) * | 2010-08-02 | 2011-03-02 | 天津市天锻压力机有限公司 | Underlying buffering device for hydraulic press with worktable capable of shifting laterally |
| CN202377346U (en) * | 2011-12-31 | 2012-08-15 | 沃得重型机床（中国）有限公司 | Hydraulic pad capable of adjusting blank holding forces at four corners |
| CN102825833A (en) * | 2012-09-28 | 2012-12-19 | 南通久久液压机械制造有限公司 | Shock absorber of hydraulic machine |
-
2013
- 2013-05-07 CN CN201310163795.3A patent/CN103302885B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122781U (en) * | 1991-12-30 | 1992-11-25 | 机电部北京机电研究所 | Shaping apparatus of internal decorating element for vehicles |
| CN2659674Y (en) * | 2003-11-24 | 2004-12-01 | 天津市天锻压力机有限公司 | Large double dynamic stretching hydraulic press with automatic mould changing appts. |
| CN1621221A (en) * | 2003-11-24 | 2005-06-01 | 天津市天锻压力机有限公司 | Large-scale double-action hydraulic drawing machine for heavy plate |
| CN1883931A (en) * | 2006-07-07 | 2006-12-27 | 合肥锻压机床有限公司 | Numerically-controlled heading hydraulic press |
| CN101758630A (en) * | 2009-11-03 | 2010-06-30 | 天津市天锻压力机有限公司 | Double-action thick plate stretching hydraulic machine |
| CN201633222U (en) * | 2010-03-21 | 2010-11-17 | 徐州压力机械有限公司 | Composite molding die-trial hydraulic press |
| CN201752940U (en) * | 2010-08-02 | 2011-03-02 | 天津市天锻压力机有限公司 | Underlying buffering device for hydraulic press with worktable capable of shifting laterally |
| CN202377346U (en) * | 2011-12-31 | 2012-08-15 | 沃得重型机床（中国）有限公司 | Hydraulic pad capable of adjusting blank holding forces at four corners |
| CN102825833A (en) * | 2012-09-28 | 2012-12-19 | 南通久久液压机械制造有限公司 | Shock absorber of hydraulic machine |
Non-Patent Citations (1)
| Title |
|---|
| 新型液压机上液压垫装置的设计与应用;宋雨芳 等;《锻压装备与制造技术》;20050830(第4期);第31-32页 * |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230000 Hefei economic and Technological Development Zone, Anhui, Ziyun Patentee after: Hefei forging intelligent manufacturing Limited by Share Ltd Address before: 230000 Hefei economic and Technological Development Zone, Anhui, Ziyun Patentee before: Hefei Metalforming Machine Tool Co., Ltd. |