CN113798429A - Automatic forging production line and process method for bearing ring of aircraft engine - Google Patents
Automatic forging production line and process method for bearing ring of aircraft engine Download PDFInfo
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- CN113798429A CN113798429A CN202111112187.0A CN202111112187A CN113798429A CN 113798429 A CN113798429 A CN 113798429A CN 202111112187 A CN202111112187 A CN 202111112187A CN 113798429 A CN113798429 A CN 113798429A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
- B21K1/761—Making machine elements elements not mentioned in one of the preceding groups rings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
- B21H1/12—Making articles shaped as bodies of revolution rings of restricted axial length rings for ball or roller bearings
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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
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
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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
- B21J17/00—Forge furnaces
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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
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
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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
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
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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
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/10—Piercing billets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
Abstract
An automatic forging production line for bearing rings of aero-engines and a technological method thereof are provided, wherein the production line comprises a material transfer unit, five robots, three heating furnaces, a three-station servo hydraulic press, a transfer objective table, two numerical control automatic ring rolling machines, a discharge roller way, a fog cooling machine and a slow cooling heat preservation furnace. The process method comprises the following steps: feeding → medium temperature preheating → high temperature heating → pier coarse forming → punching forming → bottom cutting open width → high temperature secondary heating → rolling → cooling/destressing. The automatic forging production line and the process method of the aeroengine bearing ring realize the automatic production of the aeroengine bearing ring, avoid the influence of artificial factors in the conventional manual forging process, and can ensure the consistent forging heating time, the uniform heating state, the balanced forging striking force, the stable forging speed, the controllable punching forming force, the uniform punching speed, the stable rolling force and the stable rolling speed in the rolling process of rolling, so that the quality of the forgings produced in batches has stability and consistency.
Description
Technical Field
The invention belongs to the technical field of manufacturing of bearing rings of aero-engines, and particularly relates to an automatic forging production line and a process method for bearing rings of aero-engines.
Background
The main shaft bearing is one of the key parts of an aircraft engine and is mainly used for supporting a rotating shaft, guiding rotary motion and bearing load transmitted to a support. Because the main shaft bearing needs to operate under the conditions of high speed, high temperature, complex stress and serious pollution, the quality and the performance of the main shaft bearing directly influence the performance, the service life and the reliability of the aircraft engine.
At present, the domestic aviation bearing ring is still produced by adopting a conventional manual forging process, in the conventional manual forging process, heated material sections are required to be placed into a manually-operated box-type resistance furnace for heating and heat preservation at one time, then taken out one by one, then free forging and cake making, moulding bed film punching and forming and bottom cutting procedures are carried out on forging equipment, then the forging equipment is returned to the furnace for heating, and finally, rolling expansion is carried out through a rolling machine.
However, in the process of manufacturing the bearing ring of the aircraft engine by adopting the conventional manual forging process, the processes of material heating, transferring, blank making, furnace returning heating and rolling are all completed through manual operation, so that the instability of the manual operation is caused under the influence of human factors, and the problems of inconsistent forging heating time, uneven heating state, unbalanced forging striking force, unstable forging speed, uncontrollable punching forming force, inconsistent punching speed, unstable rolling force in the rolling process, unstable rolling speed, different skills of operators and the like existing among forgings in the same batch are more prominent, so that the stability and consistency of the quality of the forgings produced in batches cannot be realized.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an automatic forging production line and a process method for an aeroengine bearing ring, which realize the automatic production of the aeroengine bearing ring, avoid the influence of artificial factors in the conventional manual forging process, and can ensure the consistent forging heating time, the uniform heating state, the balanced forging striking force, the stable forging speed, the controllable punching forming force, the uniform punching speed, the stable rolling force and the stable rolling speed in the rolling process of rolling, so that the quality of the forgings produced in batches has stability and consistency.
In order to achieve the purpose, the invention adopts the following technical scheme: an automatic forging production line for bearing rings of aero-engines comprises a first feeding machine, a second feeding machine, a first robot, a second robot, a third robot, a fourth robot, a fifth robot, a medium-temperature heating furnace, a first high-temperature heating furnace, a second high-temperature heating furnace, a three-station servo hydraulic machine, a transfer objective table, a first numerical control automatic ring rolling machine, a second numerical control automatic ring rolling machine and a discharging roller way; the first feeding machine and the second feeding machine are arranged in parallel to form a material transfer unit, the first robot, the second robot, the fourth robot, the transfer objective table, the fifth robot and the discharging roller table are sequentially distributed along a straight line, and equipment distributed on the straight line forms a first equipment array; the medium-temperature heating furnace, the three-station servo hydraulic press and the first numerical control automatic ring rolling machine are sequentially distributed along a straight line, and the devices distributed on the straight line form a second device array; the first high-temperature heating furnace, the second high-temperature heating furnace and the second numerical control automatic ring rolling machine are sequentially distributed along a straight line, and equipment distributed on the straight line forms a third equipment array; the second equipment array and the third equipment array are respectively positioned at the left side and the right side of the first equipment array, and the first equipment array, the second equipment array and the third equipment array are arranged in parallel; the third robot is arranged on the outer side of the three-station servo hydraulic press, and the three-station servo hydraulic press is positioned in the arm movement stroke range of the third robot; the material transfer unit, the medium-temperature heating furnace and the first high-temperature heating furnace are positioned in the arm movement stroke range of the first robot; the first high-temperature heating furnace and the three-station servo hydraulic machine are positioned in the arm movement stroke range of the second robot; the three-station servo hydraulic machine is positioned in the arm movement stroke range of the third robot; the second high-temperature heating furnace, the three-station servo hydraulic press and the transfer objective table are positioned in the arm movement stroke range of the fourth robot; the transfer objective table, the first numerical control automatic ring rolling machine, the second numerical control automatic ring rolling machine and the discharging roller way are positioned in the motion stroke range of a fifth robot; and the left side and the right side of the discharging roller way are provided with an atomizing cooler and a slow cooling heat preservation furnace.
The automatic forging production line of the bearing ring of the aero-engine adopts a PLC control system.
The medium-temperature heating furnace, the first high-temperature heating furnace and the second high-temperature heating furnace all adopt protective gas rotary hearth heating furnaces.
The three stations of the three-station servo hydraulic press are a upsetting forming station, a punching forming station and a bottom cutting open width station in sequence, and the upsetting forming station, the punching forming station and the bottom cutting open width station are arranged in a straight line on the three-station servo hydraulic press; rated downforce of the upsetting forming station is 200T, rated downforce of the punching forming station is 630T, and rated downforce of the bottom cutting open width station is 20T.
The upsetting forming station of the three-station servo hydraulic press comprises an upper anvil and a lower anvil, and the upper anvil and the lower anvil are made of 3Cr2W 8V; the punching forming station of the three-station servo hydraulic press comprises an outer die, a lower cushion die and a forming punch, wherein the outer die is made of H13, the lower cushion die is made of 3Cr2W8V, and the forming punch is made of W18Cr4V, W9Cr4VMo or Cr4Mo 4V; and a bottom cutting punch and a lower die are arranged in a bottom cutting open width station of the three-station servo hydraulic press, the bottom cutting punch is made of W18Cr4V or W9Cr4VMo, and the lower die is made of H13.
An automatic forging process method for an aircraft engine bearing ring adopts the automatic forging production line for the aircraft engine bearing ring, and comprises the following steps:
the method comprises the following steps: starting a first feeding machine and a second feeding machine in a material transfer unit, firstly carrying out posture screening on cylindrical material sections in a hopper, then lifting the screened cylindrical material sections onto a material feeding chain in a staggered manner, guiding the cylindrical material sections into a material groove to a limiting plate through a guide plate, pushing the cylindrical material sections into a V-shaped groove through a transverse cylinder according to a set beat, and then pushing the cylindrical material sections to a positioning sensor at the top through a cylinder at the rear end of the V-shaped groove to wait for material;
step two: starting a first robot, grabbing the cylindrical material sections one by one according to a set beat, vertically moving the cylindrical material sections into the medium-temperature heating furnace, and taking out the preheated cylindrical material sections one by the first robot and vertically moving the preheated cylindrical material sections into the first high-temperature heating furnace after the cylindrical material sections rotate for a circle in the medium-temperature heating furnace;
step three: starting a second robot, taking out the heated cylindrical material sections one by the second robot after the cylindrical material sections rotate for a circle in the first high-temperature heating furnace, and vertically moving the heated cylindrical material sections into a upsetting forming station of a three-station servo hydraulic press;
step four: starting a three-station servo hydraulic press, and performing one-time upsetting forming on the heated cylindrical material section at an upsetting forming station to form a cake material;
step five: starting a third robot, transferring the cake after upsetting forming to a punching forming station of a three-station servo hydraulic press, and then performing one-time punching forming on the cake at the punching forming station to form a ring blank;
step six: starting a third robot, transferring the punched and molded ring blank to a bottom cutting open width station of a three-station servo hydraulic press, and then carrying out one-time bottom cutting open width on the ring blank at the bottom cutting open width station;
step seven: starting a fourth robot, grabbing the ring blanks subjected to bottom cutting and width opening one by one and transferring the ring blanks into a second high-temperature heating furnace, and transferring the heated ring blanks into a transfer objective table by the fourth robot after the ring blanks rotate for a circle in the second high-temperature heating furnace;
step eight: starting a fifth robot, moving the ring blank on the transshipment object table into the first numerical control automatic ring rolling machine or the second numerical control automatic ring rolling machine for rolling and expanding, and forming a bearing ring forge piece;
step nine: starting a fifth robot, grabbing the rolled bearing ring forgings one by one and moving the bearing ring forgings into a discharging roller way, and then transmitting the bearing ring forgings into the fog cooling machine for cooling or transmitting the bearing ring forgings into a slow cooling heat preservation furnace for removing stress through the discharging roller way;
step ten: and repeating the first step to the ninth step to finish the batch automatic forging production of the bearing ring of the aeroengine.
The invention has the beneficial effects that:
the automatic forging production line and the process method of the aeroengine bearing ring realize the automatic production of the aeroengine bearing ring, avoid the influence of artificial factors in the conventional manual forging process, and can ensure the consistent forging heating time, the uniform heating state, the balanced forging striking force, the stable forging speed, the controllable punching forming force, the uniform punching speed, the stable rolling force and the stable rolling expansion speed in the rolling expansion process among forgings in the same batch, so that the quality of the forgings in batch production has stability and consistency.
Drawings
FIG. 1 is a schematic structural layout diagram of an aircraft engine bearing ring automated forging line according to the present invention;
in the figure, 1-first feeding machine, 2-second feeding machine, 3-first robot, 4-second robot, 5-third robot, 6-fourth robot, 7-fifth robot, 8-medium temperature heating furnace, 9-first high temperature heating furnace, 10-second high temperature heating furnace, 11-three-station servo hydraulic machine, 12-transfer objective table, 13-first numerical control automatic ring rolling machine, 14-second numerical control automatic ring rolling machine, 15-discharging roller way, 16-fog cooling machine, 17-slow cooling heat preservation furnace.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1, an automatic forging line for bearing rings of an aircraft engine comprises a first feeding machine 1, a second feeding machine 2, a first robot 3, a second robot 4, a third robot 5, a fourth robot 6, a fifth robot 7, a medium-temperature heating furnace 8, a first high-temperature heating furnace 9, a second high-temperature heating furnace 10, a three-station servo hydraulic machine 11, a transfer stage 12, a first numerical control automatic ring rolling machine 13, a second numerical control automatic ring rolling machine 14 and a discharge roller table 15; the first feeding machine 1 and the second feeding machine 2 are arranged in parallel to form a material transfer unit, the first robot 3, the second robot 4, the fourth robot 6, the transfer objective table 12, the fifth robot 7 and the discharging roller table 15 are sequentially distributed along a straight line, and equipment distributed on the straight line forms a first equipment array; the medium-temperature heating furnace 8, the three-station servo hydraulic press 11 and the first numerical control automatic ring rolling machine 13 are sequentially distributed along a straight line, and the devices distributed on the straight line form a second device array; the first high-temperature heating furnace 9, the second high-temperature heating furnace 10 and the second numerical control automatic ring rolling machine 14 are sequentially distributed along a straight line, and the devices distributed on the straight line form a third device array; the second equipment array and the third equipment array are respectively positioned at the left side and the right side of the first equipment array, and the first equipment array, the second equipment array and the third equipment array are arranged in parallel; the third robot 5 is arranged on the outer side of the three-station servo hydraulic press 11, and the three-station servo hydraulic press 11 is positioned in the arm movement stroke range of the third robot 5; the material transfer unit, the medium-temperature heating furnace 8 and the first high-temperature heating furnace 9 are positioned in the arm movement stroke range of the first robot 3; the first high-temperature heating furnace 9 and the three-station servo hydraulic press 11 are positioned in the arm movement stroke range of the second robot 4; the three-station servo hydraulic machine 11 is positioned in the arm movement stroke range of the third robot 5; the second high-temperature heating furnace 10, the three-station servo hydraulic press 11 and the transfer objective table 12 are positioned in the arm movement stroke range of the fourth robot 6; the transfer objective table 12, the first numerical control automatic ring rolling machine 13, the second numerical control automatic ring rolling machine 14 and the discharging roller table 15 are positioned in the movement stroke range of the fifth robot 7; and the left side and the right side of the discharging roller table 15 are provided with an atomizing cooler 16 and a slow cooling holding furnace 17.
The automatic forging production line of the bearing ring of the aero-engine adopts a PLC control system.
The medium-temperature heating furnace 8, the first high-temperature heating furnace 9 and the second high-temperature heating furnace 10 are all protection gas rotary hearth heating furnaces.
The three stations of the three-station servo hydraulic press 11 are a upsetting forming station, a punching forming station and a bottom cutting open width station in sequence, and the upsetting forming station, the punching forming station and the bottom cutting open width station are linearly arranged on the three-station servo hydraulic press 11; rated downforce of the upsetting forming station is 200T, rated downforce of the punching forming station is 630T, and rated downforce of the bottom cutting open width station is 20T.
The upsetting forming station of the three-station servo hydraulic press 11 comprises an upper anvil and a lower anvil, and the upper anvil and the lower anvil are made of 3Cr2W 8V; the punching forming station of the three-station servo hydraulic press 11 comprises an outer die, a lower cushion die and a forming punch, wherein the outer die is made of H13, the lower cushion die is made of 3Cr2W8V, and the forming punch is made of W18Cr4V, W9Cr4VMo or Cr4Mo 4V; a bottom cutting punch and a lower die are arranged in a bottom cutting open width station of the three-station servo hydraulic press 11, the bottom cutting punch is made of W18Cr4V or W9Cr4VMo, and the lower die is made of H13.
An automatic forging process method for an aircraft engine bearing ring adopts the automatic forging production line for the aircraft engine bearing ring, and comprises the following steps:
the method comprises the following steps: starting a first feeding machine 1 and a second feeding machine 2 in a material transfer unit, firstly screening the cylindrical material sections in a hopper in a posture, then lifting the screened cylindrical material sections onto a material feeding chain in a staggered manner, guiding the cylindrical material sections into a material groove to a limiting plate through a guide plate, pushing the cylindrical material sections into a V-shaped groove through a transverse cylinder according to a set beat, and then pushing the cylindrical material sections to a positioning sensor at the top for waiting;
step two: starting the first robot 3, grabbing the cylindrical material sections one by one according to a set beat, vertically moving the cylindrical material sections into the medium-temperature heating furnace 8, and taking out the preheated cylindrical material sections one by the first robot 3 and vertically moving the preheated cylindrical material sections into the first high-temperature heating furnace 9 after the cylindrical material sections rotate for a circle in the medium-temperature heating furnace 8;
step three: starting the second robot 4, taking out the heated cylindrical sections one by the second robot 4 after the cylindrical sections rotate for a circle in the first high-temperature heating furnace 9, and vertically moving the cylindrical sections into a upsetting forming station of the three-station servo hydraulic press 11;
step four: starting a three-station servo hydraulic press 11, and performing one-time upsetting forming on the heated cylindrical material section at an upsetting forming station to form a cake material;
step five: starting the third robot 5, transferring the cake after upsetting forming to a punching forming station of a three-station servo hydraulic press 11, and then performing one-time punching forming on the cake at the punching forming station to form a ring blank;
step six: starting the third robot 5, transferring the punched and molded ring blank to a bottom cutting open width station of a three-station servo hydraulic machine 11, and then performing one-time bottom cutting open width on the ring blank at the bottom cutting open width station;
step seven: starting the fourth robot 6, grabbing the ring blanks after cutting the bottom and the flat width one by one and transferring the ring blanks into the second high-temperature heating furnace 10, and transferring the heated ring blanks into the transfer objective table 12 by the fourth robot 6 after the ring blanks rotate for a circle in the second high-temperature heating furnace 10;
step eight: starting the fifth robot 7, transferring the ring blank on the transfer stage 12 into the first numerical control automatic ring rolling machine 13 or the second numerical control automatic ring rolling machine 14 for rolling, and forming a bearing ring forge piece;
step nine: starting the fifth robot 7, grabbing the rolled bearing ring forgings one by one and moving the bearing ring forgings into a discharging roller way 15, and then transmitting the bearing ring forgings into an atomizing cooler 16 for cooling or transmitting the bearing ring forgings into a slow cooling holding furnace 17 for removing stress through the discharging roller way 15;
step ten: and repeating the first step to the ninth step to finish the batch automatic forging production of the bearing ring of the aeroengine.
The embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications without departing from the scope of the present invention are intended to be included in the scope of the present invention.
Claims (6)
1. The utility model provides an automatic forging line of aeroengine bearing ring which characterized in that: the automatic ring rolling machine comprises a first feeding machine, a second feeding machine, a first robot, a second robot, a third robot, a fourth robot, a fifth robot, a medium-temperature heating furnace, a first high-temperature heating furnace, a second high-temperature heating furnace, a three-station servo hydraulic machine, a transfer objective table, a first numerical control automatic ring rolling machine, a second numerical control automatic ring rolling machine and a discharging roller way; the first feeding machine and the second feeding machine are arranged in parallel to form a material transfer unit, the first robot, the second robot, the fourth robot, the transfer objective table, the fifth robot and the discharging roller table are sequentially distributed along a straight line, and equipment distributed on the straight line forms a first equipment array; the medium-temperature heating furnace, the three-station servo hydraulic press and the first numerical control automatic ring rolling machine are sequentially distributed along a straight line, and the devices distributed on the straight line form a second device array; the first high-temperature heating furnace, the second high-temperature heating furnace and the second numerical control automatic ring rolling machine are sequentially distributed along a straight line, and equipment distributed on the straight line forms a third equipment array; the second equipment array and the third equipment array are respectively positioned at the left side and the right side of the first equipment array, and the first equipment array, the second equipment array and the third equipment array are arranged in parallel; the third robot is arranged on the outer side of the three-station servo hydraulic press, and the three-station servo hydraulic press is positioned in the arm movement stroke range of the third robot; the material transfer unit, the medium-temperature heating furnace and the first high-temperature heating furnace are positioned in the arm movement stroke range of the first robot; the first high-temperature heating furnace and the three-station servo hydraulic machine are positioned in the arm movement stroke range of the second robot; the three-station servo hydraulic machine is positioned in the arm movement stroke range of the third robot; the second high-temperature heating furnace, the three-station servo hydraulic press and the transfer objective table are positioned in the arm movement stroke range of the fourth robot; the transfer objective table, the first numerical control automatic ring rolling machine, the second numerical control automatic ring rolling machine and the discharging roller way are positioned in the motion stroke range of a fifth robot; and the left side and the right side of the discharging roller way are provided with an atomizing cooler and a slow cooling heat preservation furnace.
2. The aircraft engine bearing ring automated forging line of claim 1, wherein: the automatic forging production line of the bearing ring of the aero-engine adopts a PLC control system.
3. The aircraft engine bearing ring automated forging line of claim 1, wherein: the medium-temperature heating furnace, the first high-temperature heating furnace and the second high-temperature heating furnace all adopt protective gas rotary hearth heating furnaces.
4. The aircraft engine bearing ring automated forging line of claim 1, wherein: the three stations of the three-station servo hydraulic press are a upsetting forming station, a punching forming station and a bottom cutting open width station in sequence, and the upsetting forming station, the punching forming station and the bottom cutting open width station are arranged in a straight line on the three-station servo hydraulic press; rated downforce of the upsetting forming station is 200T, rated downforce of the punching forming station is 630T, and rated downforce of the bottom cutting open width station is 20T.
5. The aircraft engine bearing ring automated forging line of claim 1, wherein: the upsetting forming station of the three-station servo hydraulic press comprises an upper anvil and a lower anvil, and the upper anvil and the lower anvil are made of 3Cr2W 8V; the punching forming station of the three-station servo hydraulic press comprises an outer die, a lower cushion die and a forming punch, wherein the outer die is made of H13, the lower cushion die is made of 3Cr2W8V, and the forming punch is made of W18Cr4V, W9Cr4VMo or Cr4Mo 4V; and a bottom cutting punch and a lower die are arranged in a bottom cutting open width station of the three-station servo hydraulic press, the bottom cutting punch is made of W18Cr4V or W9Cr4VMo, and the lower die is made of H13.
6. An automatic forging process method for an aircraft engine bearing ring, which adopts the automatic forging production line for the aircraft engine bearing ring as claimed in claim 1, and is characterized by comprising the following steps:
the method comprises the following steps: starting a first feeding machine and a second feeding machine in a material transfer unit, firstly carrying out posture screening on cylindrical material sections in a hopper, then lifting the screened cylindrical material sections onto a material feeding chain in a staggered manner, guiding the cylindrical material sections into a material groove to a limiting plate through a guide plate, pushing the cylindrical material sections into a V-shaped groove through a transverse cylinder according to a set beat, and then pushing the cylindrical material sections to a positioning sensor at the top through a cylinder at the rear end of the V-shaped groove to wait for material;
step two: starting a first robot, grabbing the cylindrical material sections one by one according to a set beat, vertically moving the cylindrical material sections into the medium-temperature heating furnace, and taking out the preheated cylindrical material sections one by the first robot and vertically moving the preheated cylindrical material sections into the first high-temperature heating furnace after the cylindrical material sections rotate for a circle in the medium-temperature heating furnace;
step three: starting a second robot, taking out the heated cylindrical material sections one by the second robot after the cylindrical material sections rotate for a circle in the first high-temperature heating furnace, and vertically moving the heated cylindrical material sections into a upsetting forming station of a three-station servo hydraulic press;
step four: starting a three-station servo hydraulic press, and performing one-time upsetting forming on the heated cylindrical material section at an upsetting forming station to form a cake material;
step five: starting a third robot, transferring the cake after upsetting forming to a punching forming station of a three-station servo hydraulic press, and then performing one-time punching forming on the cake at the punching forming station to form a ring blank;
step six: starting a third robot, transferring the punched and molded ring blank to a bottom cutting open width station of a three-station servo hydraulic press, and then carrying out one-time bottom cutting open width on the ring blank at the bottom cutting open width station;
step seven: starting a fourth robot, grabbing the ring blanks subjected to bottom cutting and width opening one by one and transferring the ring blanks into a second high-temperature heating furnace, and transferring the heated ring blanks into a transfer objective table by the fourth robot after the ring blanks rotate for a circle in the second high-temperature heating furnace;
step eight: starting a fifth robot, moving the ring blank on the transshipment object table into the first numerical control automatic ring rolling machine or the second numerical control automatic ring rolling machine for rolling and expanding, and forming a bearing ring forge piece;
step nine: starting a fifth robot, grabbing the rolled bearing ring forgings one by one and moving the bearing ring forgings into a discharging roller way, and then transmitting the bearing ring forgings into the fog cooling machine for cooling or transmitting the bearing ring forgings into a slow cooling heat preservation furnace for removing stress through the discharging roller way;
step ten: and repeating the first step to the ninth step to finish the batch automatic forging production of the bearing ring of the aeroengine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111112187.0A CN113798429A (en) | 2021-09-23 | 2021-09-23 | Automatic forging production line and process method for bearing ring of aircraft engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111112187.0A CN113798429A (en) | 2021-09-23 | 2021-09-23 | Automatic forging production line and process method for bearing ring of aircraft engine |
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| Publication Number | Publication Date |
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| CN113798429A true CN113798429A (en) | 2021-12-17 |
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|---|---|---|---|
| CN202111112187.0A Pending CN113798429A (en) | 2021-09-23 | 2021-09-23 | Automatic forging production line and process method for bearing ring of aircraft engine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115415473A (en) * | 2022-09-19 | 2022-12-02 | 哈尔滨工业大学 | Automatic forging method for bearing ring of aero-engine |
| CN116475346A (en) * | 2023-05-22 | 2023-07-25 | 杭州腾励传动科技股份有限公司 | Combined production process for hot forming die of ball cage blank |
-
2021
- 2021-09-23 CN CN202111112187.0A patent/CN113798429A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115415473A (en) * | 2022-09-19 | 2022-12-02 | 哈尔滨工业大学 | Automatic forging method for bearing ring of aero-engine |
| CN116475346A (en) * | 2023-05-22 | 2023-07-25 | 杭州腾励传动科技股份有限公司 | Combined production process for hot forming die of ball cage blank |
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