CN114346159A - External forging equipment for large disc type component and forging method thereof - Google Patents
External forging equipment for large disc type component and forging method thereof Download PDFInfo
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- CN114346159A CN114346159A CN202210015456.XA CN202210015456A CN114346159A CN 114346159 A CN114346159 A CN 114346159A CN 202210015456 A CN202210015456 A CN 202210015456A CN 114346159 A CN114346159 A CN 114346159A
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Abstract
The invention discloses external forging equipment and a forging method for a large disc type component, and the external forging equipment comprises a hydraulic device, a fixed support assembly, a lever, a forging table, a rotary transmission device and a component support spring, wherein the hydraulic device is connected with a sliding hydraulic module, one side of the hydraulic device is a forging area, and the other side of the hydraulic device is a safety area; the two groups of fixed supporting components comprise fixed plates and pressure springs, one group of fixed supporting components are positioned under the sliding hydraulic module, and the other group of fixed supporting components are positioned in a safety area; the pressure springs are respectively fixed on the fixing plates in a one-to-one correspondence manner; the lever is fixed on the pressure spring, one end of the lever is positioned in the forging area, and the bottom of one end of the lever is fixedly connected with the flat anvil; the forging platform is fixed on the foundation and is positioned below the flat anvil; the rotary conveying device drives the forging component to rotate circumferentially; the component supporting spring is matched with the forging platform to support the forging component, and the invention can process large disc type components, and has low use cost and simple and convenient operation.
Description
Technical Field
The invention relates to the technical field of forging of forgings, in particular to external forging equipment and a forging method for a large disc component.
Background
The large-scale disc type component is widely applied to core parts such as mine equipment, hydropower stations and the like, so that the forging method and the equipment development of the large-scale disc type component have important significance for economic construction, national defense strength and manufacture of a working mother machine. At present, large disc type components with the diameter larger than the opening size of a ten-thousand-ton hydraulic press and the size of 7.5mm are mainly machined and manufactured by a machining method, the method has extremely low utilization rate of materials, the manufacturing time is prolonged, and the processing cost is increased. If closed forging is used, high demands are placed on the forging force of the hydraulic press, and the manufacturing cost of the hydraulic press is high. With the development of industry, the demand for a machining and forming method for large disc type components, which is low in cost, labor-saving, material-saving and processing time-saving, becomes more and more obvious.
Therefore, how to provide an in-vitro forging device and a forging method for large-sized disc type components suitable for a ten-thousand-ton hydraulic press is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the invention provides an in-vitro forging device and a forging method for large disc type components, which have the advantages of simple overall equipment and low use cost and can be used for in-vitro forging of large disc type components with the diameter larger than 7.5 m.
In order to achieve the purpose, the invention adopts the following technical scheme: an external forging equipment for large-scale disc type components comprises:
the device comprises a hydraulic device, wherein support columns are fixedly connected to the periphery of the bottom of the hydraulic device, a sliding hydraulic module is connected to the hydraulic device and can slide up and down, one side of the hydraulic device is a forging area, and the other side of the hydraulic device is a safety area;
the two groups of fixed supporting components comprise fixed plates and pressure springs, one group of fixed supporting components are positioned under the sliding hydraulic module, and the other group of fixed supporting components are positioned in a safety area; the fixing plates are fixedly connected to the foundation, and the pressure springs are fixedly connected to the fixing plates in a one-to-one correspondence manner;
the lever is fixedly connected to the pressure spring, one end of the lever is located in the forging area, and the bottom of one end of the lever is fixedly connected with a flat anvil;
the forging table is fixed on a foundation and positioned below the flat anvil, and is used for bearing a forging component;
the rotary conveying device comprises a driving unit, a driving wheel set and a transmission wheel set, the driving wheel set comprises a plurality of driving wheels, the transmission wheel set comprises a plurality of transmission wheels, the driving wheels and the transmission wheels are conical rollers and are circumferentially arranged on two sides of the forging platform, the upper parts of the transmission wheels and the driving wheels support the forging component, and an output shaft of the driving unit is in transmission connection with the driving wheels to drive the forging component to circumferentially rotate;
the component supporting springs are multiple and are respectively positioned at one end of the forging station far away from the hydraulic device.
The invention has the beneficial effects that: the lever is directly pressed by the sliding hydraulic module, one end of the lever is located in a forging area, the flat anvil presses down for forging, the forging component is located in a forging area on one side of the hydraulic device, the limitation of the size of the hydraulic device is avoided, a large disc component can be forged, the position of the forging component is changed by using the rotary conveying device when the forging is not performed, the forging component is stably supported by using a component supporting spring matched with a forging platform when the forging is performed, the equipment cost of the large forging component is saved, and the use is facilitated.
Preferably, the forging table corresponds to the flat anvil in an up-down position, and the flat anvil is spaced a predetermined distance from the forging table when the sliding hydraulic module is spaced apart from the lever.
Preferably, the driving wheels and the driving wheels are respectively and rotatably arranged on the wheel frame one by one, and the small-size wheel ends of the driving wheels and the driving wheels are arranged close to each other.
Preferably, the driving unit comprises a motor and a speed reducer, an output shaft of the motor is connected with the speed reducer, and an output shaft of the speed reducer is in transmission connection with the driving wheel.
Preferably, the bottom of each of the plurality of member supporting springs is fixedly connected with a base, the top of each of the plurality of member supporting springs is higher than the plane of the forging table, and the member supporting springs are arranged in an arc and support the forging member together with the forging table.
The invention also discloses an in-vitro forging method of the large disc type component, which comprises the following steps:
preparation phase
The method comprises the following steps: arranging two groups of fixed supporting components according to a preset requirement, wherein one group of fixed supporting components is arranged right below the sliding hydraulic module, the other group of fixed supporting components is arranged in a safety zone at the other side of the hydraulic device, a lever is fixed on a pressure spring, one end of the lever is positioned in a forging zone, and a flat anvil for forging a component is fixed at the bottom of one end of the lever, which is positioned in the forging zone;
step two: fixedly mounting a forging platform, fixing the forging platform under the flat anvil, wherein the forging platform is used for bearing the forging pressure of a forging component and the flat anvil; the preparation stage is completed;
forging stage
Step three: distributing a plurality of component supporting springs on two sides of a forging platform, wherein the component supporting springs and the forging platform support a forging component together, and the forging component is positioned on a horizontal plane under the action of the forging platform and the component supporting springs;
step four; starting a hydraulic device, sliding a hydraulic module to press a lever downwards, forging the component by a forging hammer under the pressure action of the lever by a flat anvil, and finishing the forging of a local area;
adjusting phase
Step five; moving away a plurality of component supporting springs, uniformly arranging a driving wheel set and a transmission wheel set on two sides of a forging platform, enabling the forging component to have a certain angle to obtain another region to be forged by the driving wheel under the driving action of the driving wheel set, moving away the driving wheel set and the transmission wheel set, and repeating the steps from three to five until the forging is completed.
Drawings
FIG. 1 is a structural diagram of an in-vitro forging device for large disc type components according to the invention;
FIG. 2 is a schematic diagram of the forging of different sizes of components by the external forging apparatus for large-scale disc-like components of the present invention.
The hydraulic forging device comprises a hydraulic device 1, a support column 2, a sliding hydraulic module 3, a forging area 4, a safety area 5, a fixed support assembly 6, a fixed plate 601, a pressure spring 602, a flat anvil 7, a forging table 8, a rotary transmission device 9, a 901 driving unit, a 9011 motor, a 9012 speed reducer, a 902 driving wheel set, a 903 transmission wheel set, a 10 forging component, a 11 component supporting spring, a 12 wheel carrier and a 13 lever.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 2 of the drawings, an in-vitro forging apparatus for a large disc member according to an embodiment of the present invention includes:
the hydraulic device comprises a hydraulic device 1, wherein the hydraulic device is a ten-thousand-ton hydraulic machine, supporting columns 2 are fixedly connected to the periphery of the bottom of the hydraulic device 1, a sliding hydraulic module 3 is connected to the hydraulic device 1, the sliding hydraulic module 3 can slide up and down, one side of the hydraulic device 1 is a forging area 4, and the other side of the hydraulic device 1 is a safety area 5;
two groups of fixed supporting components 6 are provided, each group of fixed supporting components 6 comprises a fixed plate 601 and a pressure spring 602, one group of fixed supporting components is positioned right below the sliding hydraulic module 3, and the other group of fixed supporting components is positioned in a safety area; the fixing plate 601 is connected to a foundation through a fastener, the foundation is formed by pouring concrete, and the pressure springs 602 are fixedly connected to the fixing plate 601 in a one-to-one correspondence mode respectively; the pressure spring plays a role of bearing the lever, and after the pressure of the sliding hydraulic module is removed, the lever bounces upwards to reset under the action of the pressure spring.
The lever 13 is fixedly welded on the pressure spring 602, one end of the lever 13 is positioned in the forging area 4, and the bottom of one end of the lever 13 is fixedly connected with the flat anvil 7; the flat anvil is a device for forging, one end of the lever is arranged in a forging area, and when large-scale disc type components are forged, the size limitation of a hydraulic device can be avoided.
A forging table 8, wherein the forging table 8 is fixed on the foundation and is positioned below the flat anvil 7, and the forging table 8 is used for bearing a forging component 10;
the rotary conveying device 9, the rotary conveying device 9 includes a driving unit 901, a driving wheel set 902 and a transmission wheel set 903, the driving wheel set 902 includes 2 driving wheels, the transmission wheel set 903 includes 4 driving wheels, the driving wheels and the driving wheels are conical rollers and are circumferentially arranged on two sides of the forging platform 8, the upper parts of the driving wheels and the driving wheels support against the forging component 10, and an output shaft of the driving unit 901 is in transmission connection with the driving wheels to drive the forging component to circumferentially rotate; the circumferential arrangement of the driving wheel and the driving wheel aims to uniformly support the forging component.
Specifically, six taper rolling shafts of the rotary conveying device comprise two driving shafts and four driven shafts, a motor or a hydraulic motor can be selected as a driving unit, power is provided for the two driving shafts through a speed reducer, the driving shafts rotate at a preset rotating speed, the disc forging is further driven to rotate in a plane, the mounting diameters of the six taper rolling shafts can be adjusted according to the diameter of the disc forging, and the disc forging is enabled to obtain the best forging forming position.
And 3 component supporting springs 11, wherein the component supporting springs 11 are respectively positioned at one end of the forging station 8 far away from the hydraulic device 1. The supporting spring 11 is dispersed in an arc shape, plays a role in positioning and supporting, and is uniformly loaded and stressed, and provides a supporting function for the disc forging during forging forming.
In other embodiments, the forging station 8 corresponds to the flat anvil 7 in an up-down position, and the flat anvil 7 is spaced a predetermined distance from the forging station when the sliding hydraulic module is moved away from the lever 13. The reserved clearance is convenient for placing the forging component.
In other embodiments, the driving wheel and the driving wheel are rotatably mounted on the wheel frame 12, and the small-sized ends of the driving wheel and the driving wheel are arranged close to each other. The driving wheel and the driving wheel are encircled into a circle, the disc type components are placed on the disc type components, the conical roller wheel can limit the position of the forging components, the forging components circumferentially rotate around a certain center under the driving of the driving wheel, and the forging area is adjusted.
Specifically, the driving unit 901 includes a motor 9011 and a speed reducer 9012, an output shaft of the motor 9011 is connected with the speed reducer 9012, and an output shaft of the speed reducer 9012 is in transmission connection with a driving wheel.
In other embodiments, a base is fixedly connected to the bottom of each of the plurality of component support springs 11, the top of each of the plurality of component support springs 11 is above the plane of the forging station 8, and the component support springs 11 are arranged in an arc and support the forging component 10 together with the forging station 8.
The invention also discloses an in-vitro forging method of the large disc type component, which comprises the following steps:
preparation phase
The method comprises the following steps: arranging two groups of fixed supporting components according to a preset requirement, wherein one group of fixed supporting components is arranged right below the sliding hydraulic module, the other group of fixed supporting components is arranged in a safety zone at the other side of the hydraulic device, a lever is fixed on a pressure spring, one end of the lever is positioned in a forging zone, and a flat anvil for forging a component is fixed at the bottom of one end of the lever, which is positioned in the forging zone;
step two: fixedly mounting a forging platform, fixing the forging platform under the flat anvil, wherein the forging platform is used for bearing the forging pressure of a forging component and the flat anvil; the preparation stage is completed;
forging stage
Step three: distributing a plurality of component supporting springs on two sides of a forging platform, wherein the component supporting springs and the forging platform support a forging component together, and the forging component is positioned on a horizontal plane under the action of the forging platform and the component supporting springs;
step four; and starting a hydraulic device, pressing a lever downwards by a sliding hydraulic module, forging the component by a forging hammer under the pressure action of the lever by a flat anvil, and finishing the forging of the local area.
Adjusting phase
Step five; moving away a plurality of component supporting springs, uniformly arranging a driving wheel set and a transmission wheel set on two sides of a forging platform, enabling the forging component to have a certain angle to obtain another region to be forged by the driving wheel under the driving action of the driving wheel set, moving away the driving wheel set and the transmission wheel set, and repeating the steps from three to five until the forging is completed.
Compared with the prior art, the invention develops the following two-part assembly: the external forging equipment consisting of the pressure spring-lever-flat anvil pressure device and the rotary transmission supporting device realizes the continuous rotary forging process of large-scale disc type components with the diameter larger than 7.5m, reduces the processing cost, shortens the production period and more flexibly manufactures the required products.
For the device and the using method disclosed by the embodiment, the description is simple because the device and the using method correspond to the method disclosed by the embodiment, and the relevant points can be referred to the description of the method part.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The in vitro forging equipment for the large disc type component is characterized by comprising:
the device comprises a hydraulic device (1), wherein support columns (2) are fixedly connected to the periphery of the bottom of the hydraulic device (1), a sliding hydraulic module (3) is connected to the hydraulic device (1), the sliding hydraulic module (3) can slide up and down, one side of the hydraulic device (1) is a forging area (4), and the other side of the hydraulic device is a safety area (5);
the two groups of fixed supporting components (6) respectively comprise a fixed plate (601) and a pressure spring (602), one group of fixed supporting components is positioned right below the sliding hydraulic module (3), and the other group of fixed supporting components is positioned in a safety area; the fixing plates (601) are fixedly connected to a foundation, and the pressure springs (602) are respectively and fixedly connected to the fixing plates (601) in a one-to-one correspondence manner;
the lever (13) is fixedly connected to the pressure spring (602), one end of the lever (13) is located in the forging area (4), and the bottom of one end of the lever (13) is fixedly connected with a flat anvil (7);
a forging table (8), wherein the forging table (8) is fixed on a foundation and is positioned below the flat anvil (7), and the forging table (8) is used for bearing a forging component (10);
the rotary conveying device (9) comprises a driving unit (901), a driving wheel set (902) and a transmission wheel set (903), the driving wheel set (902) comprises a plurality of driving wheels, the transmission wheel set (903) comprises a plurality of transmission wheels, the driving wheels and the transmission wheels are conical rollers and are circumferentially arranged on two sides of the forging table (8), the forging component (10) is supported above the transmission wheels and the driving wheels, and an output shaft of the driving unit (901) is in transmission connection with the driving wheels to drive the forging component to circumferentially rotate;
a plurality of component supporting springs (11), wherein the component supporting springs (11) are respectively positioned at one end of the forging station (8) far away from the hydraulic device (1).
2. An in-vitro forging device for large disc type components, according to claim 1, characterized in that the forging station (8) corresponds to the flat anvil (7) in an up-and-down position, and the flat anvil (7) is at a preset distance from the forging station when the sliding hydraulic module is far away from the lever (13).
3. The in-vitro forging equipment for the large disc type component as claimed in claim 1, wherein the driving wheel and the driving wheel are respectively and rotatably mounted on the wheel frame (12), and the small-size wheel ends of the driving wheel and the driving wheel are arranged close to each other.
4. The in-vitro forging equipment for the large-sized disc type component as claimed in claim 1, wherein the driving unit (901) comprises a motor (9011) and a speed reducer (9012), an output shaft of the motor (9011) is connected with the speed reducer (9012), and an output shaft of the speed reducer (9012) is in transmission connection with the driving wheel.
5. The external forging equipment for large-sized disc type members as claimed in claim 1, wherein a base is fixedly connected to the bottom of each of the plurality of member supporting springs (11), the top of each of the plurality of member supporting springs (11) is higher than the plane of the forging stage (8), and the member supporting springs (11) are arranged in an arc and support the forging member (10) together with the forging stage (8).
6. An in-vitro forging method for large disc type components is characterized by comprising the following steps:
preparation phase
The method comprises the following steps: arranging two groups of fixed supporting components according to a preset requirement, wherein one group of fixed supporting components is arranged right below the sliding hydraulic module, the other group of fixed supporting components is arranged in a safety zone at the other side of the hydraulic device, a lever is fixed on a pressure spring, one end of the lever is positioned in a forging zone, and a flat anvil for forging a component is fixed at the bottom of one end of the lever, which is positioned in the forging zone;
step two: fixedly mounting a forging platform, fixing the forging platform under the flat anvil, wherein the forging platform is used for bearing the forging pressure of a forging component and the flat anvil; the preparation stage is completed;
forging stage
Step three: distributing a plurality of component supporting springs on two sides of a forging platform, wherein the component supporting springs and the forging platform support a forging component together, and the forging component is positioned on a horizontal plane under the action of the forging platform and the component supporting springs;
step four; starting a hydraulic device, sliding a hydraulic module to press a lever downwards, forging the component by a forging hammer under the pressure action of the lever by a flat anvil, and finishing the forging of a local area;
adjusting phase
Step five; moving away a plurality of component supporting springs, uniformly arranging a driving wheel set and a transmission wheel set on two sides of a forging platform, enabling the forging component to have a certain angle to obtain another region to be forged by the driving wheel under the driving action of the driving wheel set, moving away the driving wheel set and the transmission wheel set, and repeating the steps from three to five until the forging is completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210015456.XA CN114346159B (en) | 2022-01-07 | 2022-01-07 | External forging equipment for large disc type component and forging method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210015456.XA CN114346159B (en) | 2022-01-07 | 2022-01-07 | External forging equipment for large disc type component and forging method thereof |
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| CN114346159A true CN114346159A (en) | 2022-04-15 |
| CN114346159B CN114346159B (en) | 2023-01-03 |
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| CN113617999A (en) * | 2021-03-02 | 2021-11-09 | 天津重型装备工程研究有限公司 | In-vitro forging method of cake forging |
| CN113618001A (en) * | 2021-03-02 | 2021-11-09 | 天津重型装备工程研究有限公司 | External forging elastic box and external forging auxiliary tool |
| CN113617998A (en) * | 2021-03-02 | 2021-11-09 | 天津重型装备工程研究有限公司 | Blank for tube plate forming, manufacturing method thereof and tube plate in-vitro forging method |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212264420U (en) * | 2020-04-13 | 2021-01-01 | 上海新闵（东台）重型锻造有限公司 | Large-size in-pile nickel-base alloy forging stock combined forging anvil |
| CN214236146U (en) * | 2020-11-30 | 2021-09-21 | 上海新闵（东台）重型锻造有限公司 | External forging device for stepped shaft of nuclear power station |
| CN214417577U (en) * | 2021-03-02 | 2021-10-19 | 天津重型装备工程研究有限公司 | Utensil and forging and pressing equipment are assisted to external forging frock |
| CN214417581U (en) * | 2021-03-02 | 2021-10-19 | 天津重型装备工程研究有限公司 | Movable lifting beam for auxiliary tool for external forging and auxiliary tool for external forging |
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| CN114346159B (en) | 2023-01-03 |
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