CN114850374A - Rotary workbench for fan shaft die forging press - Google Patents
Rotary workbench for fan shaft die forging press Download PDFInfo
- Publication number
- CN114850374A CN114850374A CN202210780826.9A CN202210780826A CN114850374A CN 114850374 A CN114850374 A CN 114850374A CN 202210780826 A CN202210780826 A CN 202210780826A CN 114850374 A CN114850374 A CN 114850374A
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- Prior art keywords
- assembly
- base
- bearing
- fan shaft
- die forging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
- B21J13/03—Die mountings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention provides a rotary workbench for a fan shaft die forging press, and relates to the technical field of fan shaft die forging presses. The device comprises a workbench, a turntable base, a damping component, a rotary component, an upper panel, a transmission component and a mold, wherein the turntable base is arranged on the workbench, the damping component is arranged on the turntable base, the rotary component is connected to the bottom of the upper panel and connected to the top of the damping component, the rotary component is in transmission connection with the transmission component, the mold is placed on the upper panel, the mold and the upper panel are pressed down by a press simultaneously, since the minimum distance between the mold and the worktable is smaller than the minimum distance between the upper panel and the base of the turntable, during pressing, the bottom of the mold is firstly contacted with the top of the worktable, the turntable base is not directly contacted with the rotary component by the damping component in the process, therefore, the pressure of the press is transferred to the workbench without being totally pressed, the direct bearing of the base of the rotary table is avoided, the damage of gears and positioning is reduced, and the overturning moment is also reduced.
Description
Technical Field
The invention relates to the technical field of fan shaft die forging presses, in particular to a rotary workbench for a fan shaft die forging press.
Background
Most of domestic large-tonnage fan shafts are formed by free forging, and in order to improve production efficiency and forming quality, a die forging press is partially adopted for forming operation.
The applicant finds that at least the following technical problems exist in the prior art: the existing fan shaft die forging press is used for applying pressure to a die mostly during operation, then directly transmits the pressure to the rotary table to enable the rotary table to bear the load directly, the rotary table is required to rotate, the damage to the gear used for rotating operation and positioning is easily caused, and meanwhile, the overturning moment of the rotary support is high, so that danger is easily caused.
Disclosure of Invention
The invention aims to provide a rotary workbench for a fan shaft die forging press, which aims to solve the technical problems that a rotary table in the prior art is damaged in structure and high in overturning moment due to high pressure. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a swivel work head for fan shaft die forging press, includes workstation, revolving stage base, damper, gyration subassembly, top panel, drive assembly and mould, revolving stage base sets up on the workstation, damper sets up on the revolving stage base, the gyration subassembly is connected the bottom of top panel is and connect damper's top, the gyration subassembly with the drive assembly transmission is connected, the mould is placed on the top panel, the mould with minimum distance between the workstation is less than the top panel with minimum distance between the revolving stage base.
Preferably, still include location bearing subassembly, location bearing subassembly includes location bearing inner race, location bearing outer race and rolling element, location bearing inner race places on the revolving stage base, location bearing outer race connect the bottom of top panel and with the mould contacts, a plurality of the rolling element sets up location bearing inner race with between the location bearing outer race, location bearing inner race can be relative in the horizontal direction location bearing outer race rotates and can be relative in the vertical direction location bearing outer race removes.
Preferably, the turntable base comprises a base body and a dustproof outer plate, the dustproof outer plate is connected to the top of the outer edge of the base body, and a connecting hole is formed in the connecting position of the transmission assembly and the rotation assembly through the dustproof outer plate.
Preferably, the revolving stage base still includes the inner panel, the inner panel is connected on base body's the top surface, the inboard of dustproof planking the outside of inner panel with base body's top surface forms outer mounting groove jointly, the inboard of inner panel with base body's top surface forms interior mounting groove jointly, the location bearing outer lane is placed in the interior mounting groove, the below of outer mounting groove is followed a plurality of mounting hole has been seted up to revolving stage base circumferential direction, every all correspond in the mounting hole and install one damper.
Preferably, the damping assembly comprises a disc spring damper, and one disc spring damper is correspondingly installed in each installation hole.
Preferably, the slewing assembly comprises a slewing bearing, an outer ring of the slewing bearing is connected with the bottom of the upper panel, an inner ring of the slewing bearing is connected with the top of the shock absorption assembly, an outer gear ring is arranged on the outer ring of the slewing bearing, and the outer ring of the slewing bearing is in transmission connection with the transmission assembly through the outer gear ring.
Preferably, the transmission assembly comprises a hydraulic motor transmission mechanism, and the hydraulic motor transmission mechanism is in transmission connection with the rotation assembly.
Preferably, a limiting part is arranged on the outer wall of the mold, the upper panel is of a ring-shaped structure with a hole in the middle, and the hole diameter of the hole in the upper panel is larger than the outer diameter of the mold and smaller than the outer diameter of the limiting part.
The invention has the beneficial effects that: the mould and the upper panel are pressed down by the press simultaneously, because the minimum distance between the mould and the workbench is smaller than the minimum distance between the upper panel and the rotary table base, the bottom of the mould is firstly contacted with the top of the workbench during pressing, the rotary table base is not directly contacted with the rotary assembly by virtue of the damping assembly in the process, so that the mould is free from all pressure, the pressure of the press is transferred onto the workbench, the direct bearing of the rotary table base is avoided, the damage of gears and positioning is reduced, and the overturning moment is also reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a cross-sectional structural view of the present invention;
FIG. 2 is an enlarged structural view of the present invention;
FIG. 3 is a structural view of a turntable base in the present invention;
FIG. 4 is a view showing a combination structure of the upper panel and the swing member according to the present invention;
FIG. 5 is an external structural view of the present invention;
in the figure 1, a workbench;
2. a turntable base; 21. a base body; 22. a dust-proof outer plate; 221. connecting holes; 23. an inner plate; 24. an inner mounting groove; 25. an outer mounting groove; 26. mounting holes;
3. a shock absorbing assembly; 31. a disc spring damper;
4. a swivel assembly; 41. a slewing bearing; 42. an outer ring gear;
5. an upper panel;
6. a transmission assembly;
7. a mold; 71. a limiting part;
8. positioning a bearing assembly; 81. positioning the bearing inner ring; 82. positioning the bearing outer ring; 83. and a rolling body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "length," "width," "height," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "side," and the like, as used herein, are used in the orientation or positional relationship indicated in FIG. 1, merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
Referring to fig. 1 to 5, the invention provides a rotary workbench for a fan shaft die forging press, which comprises a workbench 1, a turntable base 2, a damping assembly 3, a rotary assembly 4, an upper panel 5, a transmission assembly 6 and a die 7;
the workbench 1 is a base structure of a rotary workbench and plays a role of a fixed seat, the rotary table base 2 is arranged on the workbench 1, the rotary table base 2 also plays a role of a fixed seat and can be preferably fixed on the workbench 1 through a T-shaped bolt, and the workbench 1 and the rotary table base 2 can ensure the stability of the whole rotary workbench in the working process;
the damping component 3 is arranged on the turntable base 2, the rotary component 4 is connected to the bottom of the upper panel 5 and connected to the top of the damping component 3, the rotary component 4 is in transmission connection with the transmission component 6, the damping component 3 can support and bounce the rotary component 4 connected to the top of the damping component, the transmission component 6 is preferably fixed on the outer side of the turntable base 2, the transmission component 6 can drive the rotary component 4 to rotate, and the rotary component 4 can drive the upper panel 5 to rotate by rotating;
the mold 7 is placed on the upper panel 5, raw materials are placed in the mold 7, the mold 7 can enable the fan shaft to be molded under the action of a press, the upper panel 5 can fix the mold 7 and bear the weight of the mold 7 and the raw materials, and the mold 7 and the raw materials can be driven to rotate in the working process to assist in molding;
the minimum distance between the mold 7 and the workbench 1 is smaller than the minimum distance between the upper panel 5 and the turntable base 2, in this embodiment, the minimum distance between the mold 7 and the workbench 1 is preferably set to be 12mm, and the minimum distance between the upper panel 5 and the turntable base 2 is set to be 15mm, that is, the shock absorption assembly 3 can bounce the rotation assembly 4, the upper panel 5 and the mold 7 for 15 mm;
the mould 7 sets up on the top panel 5, the two is pushed down by the press simultaneously, because the minimum distance between mould 7 and the workstation 1 is less than the minimum distance between top panel 5 and the revolving stage base 2, the bottom of mould 7 contacts with the top of workstation 1 earlier when the pressfitting, revolving stage base 2 relies on damper unit 3 not with gyration subassembly 4 direct contact this in-process, thereby do not receive whole pressure, the pressure transfer of press has been to the workstation 1 on, the direct of revolving stage base 2 has been avoided bearing, gear and the damage of location have been reduced, the moment of overturning has also been reduced.
As an alternative embodiment, in the prior art, a copper bush structure is mostly provided, but due to the unbalanced load problem during the use of the turntable, the middle copper bush is severely worn in positioning, and the clamping phenomenon of the upper panel of the turntable often occurs, so that in this embodiment, a novel positioning bearing assembly 8 is used instead of the copper bush structure, the positioning bearing assembly 8 specifically includes a positioning bearing inner ring 81, a positioning bearing outer ring 82 and a rolling body 83, the positioning bearing inner ring 81 is placed on the turntable base 2, the positioning bearing outer ring 82 is connected to the bottom of the upper panel 5 and contacts with the mold 7, a raceway matching with the shape of the rolling body 83 is formed in the positioning bearing outer ring 82, a raceway matching with the shape of the rolling body 83 is formed in the positioning bearing inner ring 81, and the lower portion of the inner side wall of the positioning bearing inner ring 81 is provided with a long and straight planar structure to provide a space for the positioning bearing outer ring 82 to move in the vertical direction, a plurality of rolling element 83 sets up between location bearing inner race 81 and location bearing outer race 82, location bearing inner race 81 can rotate and can move in vertical direction relative location bearing outer race 82 relative to location bearing outer race 82 in the horizontal direction, location bearing inner race 81, location bearing outer race 82 and rolling element 83 mutually support, can bear axial force and radial force simultaneously, thereby effectively solve jamming and the wearing and tearing problem that the unbalance loading leads to, the life of swivel work head has been improved, overhaul and change frequency have been reduced.
As an optional implementation manner, in the rotary table in the prior art, most of the transmission part is exposed, and a dustproof cover needs to be separately installed, but because the separately installed dustproof cover is not tightly sealed at the joint, the entering of substances such as dust and oxide scale is easily caused, so that the clamping stagnation is generated in the working process of the rotary table, and the cleaning process is complicated, aiming at the problem, in the embodiment, the dustproof cover is adjusted, specifically, the rotary table base 2 comprises a base body 21 and a dustproof outer plate 22, the dustproof outer plate 22 is connected to the top of the outer edge of the base body 21, the later unnecessary reinstallation is reduced by directly adding the heightened dustproof outer plate 22 at the outer edge of the base body 21, the entering of substances such as dust and oxide scale is avoided, the dustproof outer plate 22 is provided with a connecting hole 221 at the joint of the transmission assembly 6 and the rotation assembly 4, a connecting space is formed for the connection of the transmission assembly 6 and the rotation assembly 4, and the rotary component 4 can be arranged on the inner side of the dustproof outer plate 22, thereby reducing the dust accumulation at the rotary component 4 and prolonging the service life.
As an optional embodiment, the turntable base 2 further includes an inner plate 23, the inner plate 23 is connected to the top surface of the base body 21, the inner side of the dustproof outer plate 22, the outer side of the inner plate 23 and the top surface of the base body 21 jointly form an outer mounting groove 25, the inner side of the inner plate 23 and the top surface of the base body 21 jointly form an inner mounting groove 24, the inner mounting groove 24 forms a mounting space, the positioning bearing outer ring 82 can be placed in the inner mounting groove 24, the outer mounting groove 25 also forms a mounting space, the rotating component 4 can be located in the mounting space inside the outer mounting groove 25, a plurality of mounting holes 26 are formed below the outer mounting groove 25 along the circumferential direction of the turntable base 2, the mounting holes 26 provide mounting spaces for the damping components 3, and one damping component 3 is correspondingly mounted in each mounting hole 26.
As an optional embodiment, the damping component 3 includes disc spring dampers 31, one disc spring damper 31 is correspondingly installed in each installation hole 26, the bottom of each disc spring damper 31 is located in the installation hole 26, the top of each disc spring damper 31 is in contact with the bottom of the rotary component 4 to bear the pressure transmitted from the rotary component 4, and the disc spring dampers 31 have strong damping and buffering capabilities, in this embodiment, the number of the disc spring dampers 31 is preferably 52, and the disc spring dampers are uniformly distributed at equal intervals along the circumferential direction of the turntable base 2, and a composite combination form is selected according to the stress condition, so that the impact force of the press can be buffered, the load can be bounced, the normal rotation of the workbench is ensured, and the steel ingot can be uniformly formed in the die under stress during the forging process.
As an alternative embodiment, the slewing assembly 4 includes a slewing bearing 41, the slewing bearing 41 is a large bearing capable of bearing comprehensive load, and is composed of an inner ring, an outer ring, and rolling bodies, etc., the slewing bearing 41 can simultaneously bear large axial and radial loads and overturning moments, in this embodiment, the outer ring of the slewing bearing 41 is connected with the bottom of the upper panel 5, the connection is preferably bolted connection, so that the outer ring of the slewing bearing 41 can drive the upper panel 5 and the mold 7 to move synchronously, the inner ring of the slewing bearing 41 is connected with the top of the damping assembly 3, the outer ring of the slewing bearing 41 is provided with an outer gear ring 42, the outer ring of the slewing bearing 41 is in transmission connection with the transmission assembly 6 through the outer gear ring 42, the transmission assembly 6 can drive the outer ring of the slewing bearing 41 to rotate, the outer ring of the slewing bearing 41 can drive the upper panel 5 and the mold 7 to move synchronously, and realizing the rotation operation.
As an alternative embodiment, the transmission assembly 6 comprises a hydraulic motor transmission mechanism, which is in transmission connection with the swiveling assembly 4. The hydraulic motor transmission mechanism preferably comprises a motor body and an encoder, the motor body is particularly connected with an outer gear ring 42 on the outer ring of the slewing bearing 41, the encoder is connected with the motor body, the outer gear ring 42 on the outer ring of the slewing bearing 41 driven by the motor body rotates, the encoder is used for controlling the rotation angle of the motor body, the stable rotation of the load can be ensured, and the angle control can be realized within 360 degrees according to the process requirements.
As an alternative embodiment, a position limiting portion 71 is provided on the outer wall of the mold 7, the upper panel 5 is a ring-shaped structure with an opening in the middle, and the opening of the upper panel 5 has a hole diameter size larger than the outer diameter size of the mold 7 and smaller than the outer diameter size of the position limiting portion 71, so that the lower portion of the mold 7 can be placed inside the opening and the relative position of the mold 7 and the upper panel 5 is limited by the position limiting portion 71.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a swivel work head for fan shaft die forging press which characterized in that, includes workstation (1), revolving stage base (2), damper unit (3), gyration subassembly (4), top panel (5), drive assembly (6) and mould (7), wherein: turntable base (2) set up on workstation (1), damper assembly (3) set up on turntable base (2), gyration subassembly (4) are connected the bottom of top panel (5) is connected the top of damper assembly (3), gyration subassembly (4) with transmission assembly (6) transmission is connected, mould (7) are placed on top panel (5), mould (7) with minimum distance between workstation (1) is less than top panel (5) with minimum distance between turntable base (2).
2. The rotary table for a fan shaft die forging press of claim 1, wherein: still include locating bearing subassembly (8), locating bearing subassembly (8) are including locating bearing inner race (81), locating bearing outer race (82) and rolling element (83), locating bearing inner race (81) are placed on revolving stage base (2), locating bearing outer race (82) are connected the bottom of top panel (5) and with mould (7) contact, a plurality of rolling element (83) set up locating bearing inner race (81) with between locating bearing outer race (82), locating bearing inner race (81) can be relative in the horizontal direction locating bearing outer race (82) rotate and can be relative in the vertical direction locating bearing outer race (82) remove.
3. The rotary table for a fan shaft die forging press of claim 2, wherein: the turntable base (2) comprises a base body (21) and a dustproof outer plate (22), the dustproof outer plate (22) is connected to the top of the outer edge of the base body (21), and a connecting hole (221) is formed in the connecting position of the transmission assembly (6) and the rotation assembly (4) through the dustproof outer plate (22).
4. The rotary table for a fan shaft die forging press of claim 3, wherein: turntable base (2) still includes inner panel (23), inner panel (23) are connected on the top surface of base body (21), the inboard of dustproof planking (22) the outside of inner panel (23) with the top surface of base body (21) forms outer mounting groove (25) jointly, the inboard of inner panel (23) with mounting groove (24) in the top surface of base body (21) forms jointly, location bearing outer lane (82) are placed in interior mounting groove (24), the below of outer mounting groove (25) is followed a plurality of mounting hole (26) have been seted up to turntable base (2) circumferential direction, every all correspond in mounting hole (26) and install one damper (3).
5. The rotary table for a fan shaft die forging press of claim 4, wherein: and the damping component (3) comprises a disc spring damper (31), and each disc spring damper (31) is correspondingly installed in the installation hole (26).
6. The rotary table for a fan shaft die forging press of claim 1, wherein: the slewing assembly (4) comprises a slewing bearing (41), the outer ring of the slewing bearing (41) is connected with the bottom of the upper panel (5), the inner ring of the slewing bearing (41) is connected to the top of the damping assembly (3), an outer gear ring (42) is arranged on the outer ring of the slewing bearing (41), and the outer ring of the slewing bearing (41) is in transmission connection with the transmission assembly (6) through the outer gear ring (42).
7. The rotary table for a fan shaft die forging press of claim 1, wherein: the transmission assembly (6) comprises a hydraulic motor transmission mechanism, and the hydraulic motor transmission mechanism is in transmission connection with the rotation assembly (4).
8. The rotary table for a fan shaft die forging press of claim 1, wherein: the outer wall of the die (7) is provided with a limiting part (71), the upper panel (5) is of a circular ring-shaped structure with a hole in the middle, and the hole diameter of the hole in the upper panel (5) is larger than the outer diameter of the die (7) and smaller than the outer diameter of the limiting part (71).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210780826.9A CN114850374A (en) | 2022-07-05 | 2022-07-05 | Rotary workbench for fan shaft die forging press |
| CN202223468736.0U CN219254003U (en) | 2022-07-05 | 2022-12-22 | Rotary workbench for fan shaft die forging press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210780826.9A CN114850374A (en) | 2022-07-05 | 2022-07-05 | Rotary workbench for fan shaft die forging press |
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| CN114850374A true CN114850374A (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210780826.9A Pending CN114850374A (en) | 2022-07-05 | 2022-07-05 | Rotary workbench for fan shaft die forging press |
| CN202223468736.0U Active CN219254003U (en) | 2022-07-05 | 2022-12-22 | Rotary workbench for fan shaft die forging press |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223468736.0U Active CN219254003U (en) | 2022-07-05 | 2022-12-22 | Rotary workbench for fan shaft die forging press |
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| Title |
|---|
| 刘立功等: "轮式起重机回转支承装配专机研究与应用", 《工程机械与维修》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN219254003U (en) | 2023-06-27 |
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Application publication date: 20220805 |
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