CN113399523B - Large-span double-rotation pressure head frame type hydraulic machine - Google Patents
Large-span double-rotation pressure head frame type hydraulic machine Download PDFInfo
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- CN113399523B CN113399523B CN202110482224.0A CN202110482224A CN113399523B CN 113399523 B CN113399523 B CN 113399523B CN 202110482224 A CN202110482224 A CN 202110482224A CN 113399523 B CN113399523 B CN 113399523B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention belongs to the technical field of press forming of large bow and stern complex plates, and particularly relates to a large-span double-rotary-pressure-head frame type hydraulic machine which comprises: the upper cross beam, the lower cross beam, the left pillar and the right pillar are mutually connected through the side pull rods, and are positioned by shoulders to form a gantry frame; left side gyration pressure head and right gyration pressure head are installed on the entablature, left side gyration pressure head and right gyration pressure head are connected respectively on two master cylinders and symmetrical arrangement, and left swivel work head and right swivel work head installed on the bottom end rail are symmetrical arrangement, fix the hydraulic press to the ground through the rag bolt that is located the bottom end rail. The invention provides a large-span double-rotation pressure head frame type hydraulic machine which can realize the press forming of large bow and stern complex plates and has the characteristic of flexibility so as to meet the forming requirements of diversified products.
Description
Technical Field
The invention belongs to the technical field of press forming of large bow and stern complex plates, and particularly relates to a large-span double-rotary-pressure-head frame type hydraulic machine.
Background
The prior art and the defects are as follows:
at present, the shipbuilding industry in the world develops rapidly, the tonnage is increased gradually, and the hull form is diversified and complicated gradually, so that higher requirements are put forward for processing the hull plates.
The hydraulic press is one of important cold working equipment in shipyard and steel structure factory, and can realize bending, forming and other technological operations of plate, section and member in different moulds to complete the press forming of plate in the bow and stern of large ship.
The equipment is advanced numerical control hydraulic press equipment for forming and manufacturing thick plates at the bow and the stern which are urgently needed by shipbuilding enterprises in China. Can provide guarantee for China from the large shipbuilding country to the strong shipbuilding country. At present, the existing processing equipment can only process parts with simple shapes, and cannot realize the production of large-scale complicated and special-shaped bow and stern parts.
The difficulty and significance for solving the technical problems are as follows:
therefore, based on the problems, the large-span double-rotary-pressure-head frame type hydraulic machine which can realize the press forming of large-scale bow and stern complex plates and has the characteristic of flexibility is provided, so that the forming requirements of diversified products are met, and the large-span double-rotary-pressure-head frame type hydraulic machine has important practical significance.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provide a large-span double-rotary-pressure-head frame type hydraulic machine which can realize the press forming of large-scale bow and stern complex plates and has the characteristic of flexibility so as to meet the forming requirements of diversified products.
The technical scheme adopted by the invention for solving the technical problems in the prior art is as follows:
a large-span double-revolving-head frame type hydraulic machine comprises: the upper cross beam, the lower cross beam, the left pillar and the right pillar are mutually connected through the side pull rods, and shoulder positioning is adopted to form a gantry frame; the left rotary pressure head and the right rotary pressure head are arranged on the upper cross beam, are respectively connected to the two main oil cylinders and are symmetrically arranged, and can rotate 360 degrees and independently rotate; the left rotary table and the right rotary table which are arranged on the lower cross beam are symmetrically arranged, 360-degree rotation can be realized through the driving of a speed reduction motor, and the left rotary table and the right rotary table can rotate independently; the hydraulic machine is fixed to the foundation by anchor bolts located on the lower beam.
The invention has the characteristics of simple structure, reasonable processing, convenient installation and the like. The invention can realize the press forming of large-scale bow and stern complex plates, and the hydraulic press needs to have the characteristic of flexibility so as to meet the forming requirements of diversified products.
When the hydraulic press works, the load is transmitted to the left pillar and the right pillar through the shoulders of the upper cross beam and the lower cross beam and the side pull rods, and the main tonnage is borne by the shoulders, so that the problem that the integral rigidity and precision of the machine body are influenced due to the reduction of residual pretightening force is solved, and the advantage of the machine body structure is achieved.
The invention can also adopt the following technical scheme:
in the large-span double-revolving-head frame type hydraulic machine, further, the left revolving head or the right revolving head is connected with a set of mold A to work, and at the moment, the other revolving head does not work.
The die is suitable for pressing workpieces with arcs on one side.
In the large-span double-revolving-pressure-head frame type hydraulic machine, further, the left revolving pressure head and the right revolving pressure head are respectively connected with a set of die to work, the left revolving pressure head is connected with the die B, the right revolving pressure head is connected with the die C, and the two revolving pressure heads can work independently.
The device is suitable for pressing workpieces with arcs on two sides.
In the large-span double-rotary-pressure-head frame type hydraulic machine, further, the left rotary pressure head and the right rotary pressure head are connected with the same set of large die D.
The die is suitable for pressing workpieces with integral arc shapes or workpieces with one end being an arc and the other end being close to a right angle.
The two rotary pressure heads can have three working modes, including: a single rotary pressure head is connected with a set of die A to work, two rotary pressure heads are respectively connected with a die B and a die C to work, and the two rotary pressure heads are connected with a same set of large die D.
In the large-span double-revolving-head frame type hydraulic machine, further, the left revolving head and the right revolving head are respectively hinged with the large die D.
When the workpiece is pressed, the strokes of the two main cylinders are asynchronous, so that the connection between the large die D and the two pressing heads needs to be in a hinged mode, and a certain deflection angle is allowed to exist in the upper die.
In foretell big span dual-rotary pressure head frame hydraulic press, further, install maintenance platform and power pump station on the entablature, the maintenance platform is connected with the maintenance cat ladder, the maintenance cat ladder is installed on the right branch post.
In the large-span double-revolving-head frame type hydraulic machine, further, the left revolving head or the right revolving head drives an external gear to realize the rotation thereof through a speed reducer motor A; and the left rotary table or the right rotary table drives the inner meshing gear to realize the rotation through a speed reducer motor B.
In conclusion, the invention has the following advantages and positive effects:
1. the hydraulic machine adopts the form of double rotary pressure heads and double rotary working tables, can improve the processing range of equipment, and can realize three working modes, including: the single rotary pressure head is connected with a set of dies to work and is suitable for pressing workpieces with arcs on one side; the two rotary pressure heads are respectively connected with a set of dies to work and are suitable for pressing workpieces with arc-shaped sides; two gyration indenters are connected same set of big mould, are applicable to the suppression and have whole curved work piece, perhaps one end is the circular arc, and the other end is close to the work piece that is the right angle.
2. The hydraulic press has the functions of up-down moving and rotating the press head and rotating the worktable, so that when pressing, bending and correcting plates with various shapes, the press head and the worktable can be adjusted to the position and the angle required to be processed, and the plates can be processed. The heavy manual labor for manually moving the workpiece is replaced by the self function of the press, so that the production efficiency of the press is improved.
3. The hydraulic machine has larger span and can meet the pressing requirement of large-scale marine plates; the hydraulic machine has the characteristic of flexibility so as to meet the molding requirement of diversified products.
Drawings
The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus do not limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a general assembly view of the preferred embodiment of the present invention;
FIG. 2 is a schematic representation of the operation of a single gyratory ram in accordance with a preferred embodiment of the present invention;
FIG. 3-1 is a schematic view of the dual rotary rams of the preferred embodiment of the present invention in an initial state when operating independently;
FIG. 3-2 is a schematic diagram of the independent operation of the dual rotary rams of the preferred embodiment of the present invention;
FIG. 4-1 is a schematic view of the dual gyrating indenters of the preferred embodiment of the present invention in an initial state when operating simultaneously;
FIG. 4-2 is a schematic view of the simultaneous operation of dual rotary rams in accordance with a preferred embodiment of the present invention;
FIG. 5 is a schematic view of the gyratory ram rotation mode of the preferred embodiment of the present invention;
fig. 6 is a schematic view of the rotation of the table according to the preferred embodiment of the present invention.
In the figure:
1. a left rotary pressure head; 2. a right rotary pressure head; 3. a left rotary table; 4. a right rotary table; 5. an upper cross beam; 6. a lower cross beam; 7. a left strut; 8. a right strut; 9. a side pull rod; 10. maintaining the platform; 11. a power pump station; 12. maintaining the crawling ladder; 13. anchor bolts; 14. a foundation; 15. a mold A; 16. a mold B; 17. a mold C; 18. a large die D; 19. a reduction motor A; 20. a transmission shaft A; 21. a pinion A; 22. a bull gear A; 23. a reduction motor B; 24. a transmission shaft B; 25. a pinion gear B; 26. a slewing bearing; 27. and (5) a lower die.
Detailed Description
The present invention will be specifically described with reference to fig. 1 to 6.
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
the first embodiment is as follows:
as shown in fig. 1 to 4, the invention discloses a large-span double-rotary-ram frame-type hydraulic machine, which comprises:
shoulders are adopted among the upper cross beam (5), the lower cross beam (6), the left support (7) and the right support (8) for positioning, so that a firm gantry frame is formed;
the upper cross beam (5), the lower cross beam (6), the left pillar (7) and the right pillar (8) are connected through a side pull rod (9), and overpressure pre-tightening is performed by using a special pre-tightening cylinder, so that the stability and reliability of the machine body are ensured;
a left rotary pressure head (1) and a right rotary pressure head (2) which are arranged on the upper beam (5). The left rotary pressure head (1) and the right rotary pressure head (2) are respectively connected to the two main oil cylinders and are symmetrically arranged, a single pressure head can rotate for 360 degrees, and the two rotary pressure heads can rotate independently;
the left rotary table (3) and the right rotary table (4) are symmetrically arranged on the lower cross beam (5), and are respectively jacked by four jacking oil cylinders, and can rotate 360 degrees through the driving of a speed reduction motor, and the two rotary tables can rotate independently.
A maintenance platform (10) and a power pump station (11) which are positioned on the upper cross beam (5);
a maintenance ladder (12) positioned on the right pillar (8);
fixing the hydraulic machine to a foundation (14) through foundation bolts (13) positioned on the lower cross beam (5);
the rotary pressure head is rotated: gear motor (19) are connected with transmission shaft (20), and pinion (21) are installed on transmission shaft (20), and pinion (21) and gear wheel (22) adopt the external toothing, and gear wheel (22) are connected with gyration pressure head (1 or 2), when gear motor (19) is rotatory, can drive gyration pressure head (1 or 2) rotatory, and then realize the rotation of mould A (15).
The rotating mode of the workbench is as follows: the speed reducing motor (23) is connected with the transmission shaft (24), the pinion (25) is installed on the transmission shaft (24), the pinion (25) is meshed with the slewing bearing (26), the slewing bearing (26) is connected with the slewing table (3) or (4), and when the speed reducing motor (23) rotates, the slewing table (3) or (4) can be driven to rotate, so that the rotation of the lower die (27) is realized.
The two rotary pressure heads can have three working modes, including: a single rotary pressure head is connected with one set of die for working, two rotary pressure heads are respectively connected with one set of die for working, and the two rotary pressure heads are connected with the same set of large die.
The first mode is as follows:
a single rotary pressure head is connected with a set of dies (15) to work, and is suitable for pressing workpieces with arc-shaped sides, and at the moment, the other rotary pressure head does not work. The operation is illustrated in detail in fig. 2.
And a second mode:
two gyration pressure heads are connected one set of mould work respectively, and left gyration pressure head (1) is connected mould (16), and right gyration pressure head (2) is connected mould (17), is applicable to the suppression both sides and all has curved work piece, and two gyration pressure heads all can work alone. The operation is illustrated in detail in fig. 3.
And a third mode:
the two rotary press heads are connected with the same set of large die (18) and are suitable for pressing workpieces with integral arc shapes or workpieces with one ends being circular arcs and the other ends being close to right angles. When the workpiece is pressed, the strokes of the two main cylinders are asynchronous, so that the connection between the upper die and the two pressing heads needs to be in a hinged mode, and a certain deflection angle of the upper die is allowed. The operation is illustrated in detail in fig. 4.
In conclusion, the invention provides the large-span double-rotary-pressure-head frame type hydraulic machine which can realize the press forming of large-scale bow and stern complex plates and has the characteristic of flexibility so as to meet the forming requirements of diversified products.
The present invention has been described in detail with reference to the above examples, but the description is only for the preferred examples of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (3)
1. A large-span double-rotation pressure head frame type hydraulic machine is characterized in that: the large-span double-rotary-pressure-head frame type hydraulic machine comprises: the upper cross beam, the lower cross beam, the left pillar and the right pillar are mutually connected through the side pull rods, and are positioned by shoulders to form a gantry frame; the left rotary pressure head and the right rotary pressure head are arranged on the upper cross beam, the left rotary pressure head and the right rotary pressure head are respectively connected to the two main oil cylinders and are symmetrically arranged, and the left rotary pressure head and the right rotary pressure head can rotate 360 degrees and can rotate independently; the left rotary table and the right rotary table which are arranged on the lower cross beam are symmetrically arranged and can be driven by a speed reducing motor to rotate for 360 degrees, and the left rotary table and the right rotary table can rotate independently; fixing the hydraulic machine on the foundation through foundation bolts positioned on the lower cross beam;
when the large-span double-rotary-pressure-head frame type hydraulic machine is in a first working state: the left rotary pressure head or the right rotary pressure head is connected with a set of die A to work, and the other rotary pressure head does not work at the moment;
when the large-span double-rotary pressure head frame type hydraulic machine is in a second working state: the left rotary pressure head and the right rotary pressure head are respectively connected with a set of die to work, the left rotary pressure head is connected with a die B, the right rotary pressure head is connected with a die C, and the two rotary pressure heads can work independently;
and in the third working state of the large-span double-rotary pressure head frame type hydraulic machine: the left rotary pressure head and the right rotary pressure head are connected with the same set of large die D, and the left rotary pressure head and the right rotary pressure head are respectively hinged with the large die D.
2. The large-span double-rotary-ram frame-type hydraulic machine according to claim 1, characterized in that: install maintenance platform and power pump station on the entablature, the maintenance platform is connected with the maintenance cat ladder, the maintenance cat ladder is installed on the right branch post.
3. The large-span double-revolving head frame hydraulic machine according to claim 1, characterized in that: the left rotary pressure head or the right rotary pressure head drives an external gear to realize the rotation through a speed reducer motor A; and the left rotary table or the right rotary table drives the inner meshing gear to realize the rotation through a speed reducer motor B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110482224.0A CN113399523B (en) | 2021-04-30 | 2021-04-30 | Large-span double-rotation pressure head frame type hydraulic machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110482224.0A CN113399523B (en) | 2021-04-30 | 2021-04-30 | Large-span double-rotation pressure head frame type hydraulic machine |
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| Publication Number | Publication Date |
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| CN113399523A CN113399523A (en) | 2021-09-17 |
| CN113399523B true CN113399523B (en) | 2022-09-16 |
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| CN202110482224.0A Active CN113399523B (en) | 2021-04-30 | 2021-04-30 | Large-span double-rotation pressure head frame type hydraulic machine |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2834888Y (en) * | 2005-11-21 | 2006-11-08 | 天津市天锻压力机有限公司 | Hydraulic press with four spot synchronous balance guiding device on pressure head |
| CN103302885A (en) * | 2013-05-07 | 2013-09-18 | 合肥合锻机床股份有限公司 | Novel double-acting hydraulic drawing press for thick plates |
| CN106003783A (en) * | 2016-07-04 | 2016-10-12 | 安徽东海机床制造有限公司 | Large-tonnage rotation movement hydraulic machine |
| CN210153525U (en) * | 2019-04-18 | 2020-03-17 | 合肥学院 | Safety ladder stand device with interlocking protection for hydraulic machine |
-
2021
- 2021-04-30 CN CN202110482224.0A patent/CN113399523B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2834888Y (en) * | 2005-11-21 | 2006-11-08 | 天津市天锻压力机有限公司 | Hydraulic press with four spot synchronous balance guiding device on pressure head |
| CN103302885A (en) * | 2013-05-07 | 2013-09-18 | 合肥合锻机床股份有限公司 | Novel double-acting hydraulic drawing press for thick plates |
| CN106003783A (en) * | 2016-07-04 | 2016-10-12 | 安徽东海机床制造有限公司 | Large-tonnage rotation movement hydraulic machine |
| CN210153525U (en) * | 2019-04-18 | 2020-03-17 | 合肥学院 | Safety ladder stand device with interlocking protection for hydraulic machine |
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| CN113399523A (en) | 2021-09-17 |
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