CN111889596A - Intelligent forging forming process of alloy difficult to deform - Google Patents
Intelligent forging forming process of alloy difficult to deform Download PDFInfo
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- CN111889596A CN111889596A CN202010653401.2A CN202010653401A CN111889596A CN 111889596 A CN111889596 A CN 111889596A CN 202010653401 A CN202010653401 A CN 202010653401A CN 111889596 A CN111889596 A CN 111889596A
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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
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/04—Sorting according to size
- B07C5/10—Sorting according to size measured by light-responsive means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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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
- B21J13/08—Accessories for handling work or tools
- B21J13/10—Manipulators
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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
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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
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during 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
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/20—Control devices specially adapted to forging presses not restricted to one of the preceding subgroups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0063—Using robots
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Abstract
The invention relates to an intelligent forging forming process of a difficult-to-deform alloy, which is developed for stabilizing forging process parameters and reducing quality fluctuation of different batches of forgings.
Description
Technical Field
The invention belongs to the field of intelligent manufacturing, and relates to an intelligent forging forming process of a difficult-to-deform alloy.
Background
The titanium alloy, the high-temperature alloy and other hard-to-deform alloys generally have special performance advantages, are better materials for manufacturing key bearing parts, are widely applied to the field of aerospace at present, but key bearing members for aerospace are harsh in working environment and complex in stress, and often have higher performance requirements. Forging is a main mode for producing alloy components difficult to deform, alloy forgings difficult to deform can be generally finished through a series of steps of heating, heat preservation, transferring, forging, cooling, heat treatment and the like, but alloys difficult to deform are often very sensitive to process parameters, and forgings with different properties are often produced by different process parameters. Although China has made great progress in the development of forging equipment in recent years, a plurality of advanced forging equipment is built, and the level of automatic forging is greatly improved, the automatic production of the existing difficult-to-deform alloy is not realized at all, most of the forging steps can be completed by manual operation, which is mainly related to the special forging characteristics and the using quantity of the difficult-to-deform alloy. The alloy difficult to deform has strict requirements on different process parameters such as heating and heat preservation time, transfer, forging temperature, deformation, speed, cooling and the like, and the beneficial factors of manual operation in the forging process of the alloy difficult to deform can be judged and operated according to the field conditions, so that the problems of single automatic forged product, incapability of processing abnormal working conditions, low intelligent degree and the like are solved, and the adverse factors can influence the precision of the process parameters of different batches, serious labor occupation, higher production cost and lower efficiency.
The stability of the forging technological parameters is a main factor for determining the quality of the alloy forging difficult to deform. If the alloy difficult to deform can be controlled to forge within the same group of forging parameter range, the performance of forgings in different batches does not fluctuate, and the overall stability of equipment using the forgings is greatly improved. Therefore, how to combine artificial intelligence judgment with machine operation, stabilize forging process parameters and reduce quality fluctuation of different batches of forgings is a direction of consistent effort development of the whole forging industry and demand industry, and is extremely important at home and abroad.
The invention develops an intelligent forging process of a difficult-to-deform alloy, which can intelligently control the forging process and realize the intelligent forging of the difficult-to-deform alloy by combining online monitoring of temperature, position, pressure, size and the like and real-time processing of machine operation, thereby obtaining different batches of forged pieces with stable quality.
Disclosure of Invention
Technical problem to be solved
In order to avoid the defects of the prior art, the invention provides an intelligent forging forming process of a difficult-to-deform alloy, which aims to stabilize the forging process parameters and reduce the quality fluctuation of different batches of forgings.
Technical scheme
An intelligent forging forming process of a difficult-to-deform alloy is characterized by comprising the following steps:
step 1: setting heating positions of alloy blanks difficult to deform on a Profinet centralized control system, numbering, clamping and placing the blanks by using a robot, calculating the heating rate and the heat preservation time according to the material characteristics and the blank size and the technical standard, sending an instruction to a resistance heating furnace, and controlling the resistance heating furnace to start heating and heat preservation through a PLC after the resistance heating furnace obtains the instruction;
step 2: after the blank in the step 1 is insulated, the Profinet centralized control system gives an instruction to start spraying a release agent to a die, then the robot takes the heated blank in the step 1 out of the resistance heating furnace, the heated blank in the step 1 is clamped and transferred to forging equipment, the centralized control system reads the temperature of the blank on an infrared thermometer on line and judges whether the temperature meets the set requirement, and if the temperature meets the set requirement, the instruction is given to the robot to place the heated blank in the step 1 into the forging die;
and step 3: after receiving the instruction of finishing the placement of the blank in the step 2, the Profinet centralized control system sends an instruction to forging equipment to forge according to preset forging parameters, the centralized control system collects the online forging tonnage and the die position data of the pressure sensor and the displacement sensor in the forging process, and the online forging tonnage and the die position data are compared and judged with the preset forging parameters, so that the blank is filled into a die, and the size of a forged piece is complete;
and 4, step 4: step 3, after the forging is completed, the Profinet centralized control system collects and records the temperature of the forged piece on the infrared thermometer, and sends a forged piece clamping instruction to the robot after the forging is completed, and the robot takes out the forged piece and transports the forged piece to the on-line monitoring device of the specified position size after grabbing the forged piece;
and 5: starting a size online monitoring device, carrying out three-dimensional scanning on the appearance and the size of the forging in the step 4, comparing the scanned three-dimensional forging with a three-dimensional forging figure designed in advance by the system, and sending a scanning comparison result to the centralized control system;
step 6: and (3) screening and sorting the forged pieces by the Profinet centralized control system according to the size monitoring result in the step (5), if the forged pieces in the step (5) meet the design requirement, sending an instruction to the robot to transfer the forged pieces in the step (5) to an acceptable area, otherwise, transferring the forged pieces in the step (5) to an unacceptable area by the robot, and then continuously repeating the step (2) to the step (6) until all the blanks are forged.
Advantageous effects
The invention provides an intelligent forging forming process of a difficult-to-deform alloy, which is developed for stabilizing forging process parameters and reducing quality fluctuation of different batches of forgings.
According to the intelligent forging process, an integrated control system is formed by introducing sensing devices such as temperature, pressure, position and machine vision, real-time processing is performed according to field conditions, intelligent forging production and manufacturing are achieved, the problem that the quality of traditional manual forging is unstable is solved, and the problem that abnormal working conditions cannot be processed by automatic forging is solved. This intelligent forging technology step 1 sets up the blank serial number at first on Profinet centralized control system, implements intelligent management and control heating, can realize accurate record to the heating process of every forging to rationally arrange the blank heating according to the forging beat, avoided the blank quality problem that heating temperature and heat preservation time inaccuracy caused. And 2, the robot can transfer the set track of the heated blank according to the instruction, so that the influence of high-temperature severe environment on manual operation is avoided, and meanwhile, the transfer time of each blank is the same, so that the temperature of the blank before forging can be completely consistent, and the problem of performance fluctuation of the forged piece caused by temperature difference due to different transfer times is solved. And 3, the centralized control system sends an instruction to forging equipment to forge according to the set forging parameters, and information such as forging pressure, displacement, die position and the like can be recorded to judge whether the blank is filled in the die cavity, so that the problems of inaccurate eye vision check and slow judgment caused by severe environment are solved. And 4, after the forging is completed, the centralized control system records the temperature after the forging and sends a forged piece clamping instruction to the robot, the robot judges the position of the forged piece through visual positioning and accurately grabs the forged piece, then the forged piece is taken out according to the set motion track and transported to the specified position, the same effect of manual material clamping is achieved, and the problem that the position of the forged piece cannot be identified through automatic forging is solved. And 5, performing three-dimensional scanning on the appearance and the size of the forge piece in the step 6, finding whether the forging process has problems or not by detecting the size of the forge piece on one hand, and realizing screening and sorting of the forge piece on the other hand without traditional manual detection, saving labor cost and improving production efficiency.
The intelligent forging process can be used for forging production of alloy materials difficult to deform, effectively ensures the quality stability of forgings in different batches, has strong practicability in forging enterprises, and has popularization and application values.
Drawings
FIG. 1: schematic diagram of system
FIG. 2: titanium alloy forging produced by intelligent forging of process
FIG. 3: high-temperature alloy forging produced by intelligent forging of process
FIG. 4: titanium alloy forging produced by intelligent forging of process
Detailed Description
The invention will now be further described with reference to the following examples and drawings:
the intelligent forging process of the alloy difficult to deform is adopted to carry out intelligent forging forming of the titanium alloy forge piece.
Example 1: the heating position of the titanium alloy blank is arranged on a Profinet centralized control system by adopting the process step 1 and numbered 1#～5#Clamping and placing blanks by using a robot A, calculating a heating temperature of 850 +/-10 ℃, a heating rate of 15 ℃/min and a heat preservation time of 40min by a centralized control system according to material characteristics and blank sizes, and starting heating by a box-type heating furnace under the control of a PLC (programmable logic controller); step 2, the centralized control system instructs the die to start spraying the release agent, the robot A takes the heated blank out of the heating furnace, clamps and conveys the blank to 8000t of electric spiral forging and pressing equipment according to a set motion track, and the centralized control system gives an instruction to the robot B to place the blank into the die; step 3, the centralized control system sends an instruction to 8000t electric spiral forging equipment to forge according to forging parameters of 4 times of continuous striking, the centralized control system collects actual data of the pressure sensor and the displacement sensor and compares the actual data with set data, and the blank filling die and the forge piece are guaranteed to be complete in size; step 4, the centralized control system acquires and records the forged temperature through the infrared thermometer, sends a forged piece clamping instruction to the robot B, judges the position of the forged piece through visual positioning by the robot and accurately grabs the forged piece, and then takes out and transports the forged piece to a specified position; step 5, after the forge piece reaches the designated position, starting a size online monitoring device, starting to perform three-dimensional scanning on the shape and size of the forge piece, automatically comparing the pre-designed three-dimensional forge piece pattern by the system after the scanning is finished, and sending a scanning comparison result to a centralized control system; and 6, the centralized control system screens and sorts the forged pieces according to the size monitoring result, and the steps are repeated until all the blanks are forged. FIG. 2 shows a titanium alloy forging produced by the intelligent forging process.
Example 2: the heating position of the high-temperature alloy blank is arranged on a Profinet centralized control system in the step 1 of the process, and the number of the heating position is 1#～10#The robot A is used for clamping and placing blanks, the centralized control system calculates the heating temperature to be 1140 +/-10 ℃, the heating rate to be 10 ℃/min and the heat preservation time to be 90min according to the material characteristics and the blank size, and the boxThe formula heating furnace starts to heat through PLC control; step 2, the centralized control system instructs the die to start spraying the release agent, the robot A takes the heated blank out of the heating furnace, clamps and conveys the blank to 8000t of electric spiral forging and pressing equipment according to a set motion track, and the centralized control system gives an instruction to the robot B to place the blank into the die; step 3, the centralized control system sends an instruction to 8000t electric spiral forging equipment to forge according to forging parameters of 5 times of continuous striking, the centralized control system collects actual data of the pressure sensor and the displacement sensor and compares the actual data with set data, and the blank filling die and the forge piece are guaranteed to be complete in size; step 4, the centralized control system acquires and records the forged temperature through the infrared thermometer, sends a forged piece clamping instruction to the robot B, judges the position of the forged piece through visual positioning by the robot and accurately grabs the forged piece, and then takes out and transports the forged piece to a specified position; step 5, after the forge piece reaches the designated position, starting a size online monitoring device, starting to perform three-dimensional scanning on the shape and size of the forge piece, automatically comparing the pre-designed three-dimensional forge piece pattern by the system after the scanning is finished, and sending a scanning comparison result to a centralized control system; and 6, the centralized control system screens and sorts the forged pieces according to the size monitoring result, and the steps are repeated until all the blanks are forged. FIG. 3 shows a high temperature alloy forging produced by the intelligent forging process.
Example 3: the heating position of the titanium alloy blank is arranged on a Profinet centralized control system by adopting the process step 1 and numbered 1#～4#Clamping and placing blanks by using a robot A, calculating a heating temperature of 940 +/-10 ℃, a heating rate of 15 ℃/min and a heat preservation time of 110min by a centralized control system according to material characteristics and blank sizes, and starting heating by a box-type heating furnace under the control of a PLC (programmable logic controller); step 2, the centralized control system instructs the die to start spraying the release agent, the robot A takes the heated blank out of the heating furnace, clamps and conveys the blank to 8000t of electric spiral forging and pressing equipment according to a set motion track, and the centralized control system gives an instruction to the robot B to place the blank into the die; step 3, the centralized control system sends an instruction to 8000t electric spiral forging equipment to forge according to forging parameters of 6 times of continuous striking, the centralized control system collects actual data of the pressure sensor and the displacement sensor and compares the actual data with set data to ensure that a blank fills a die and a forging dieThe size of the part is complete; step 4, the centralized control system acquires and records the forged temperature through the infrared thermometer, sends a forged piece clamping instruction to the robot B, judges the position of the forged piece through visual positioning by the robot and accurately grabs the forged piece, and then takes out and transports the forged piece to a specified position; step 5, after the forge piece reaches the designated position, starting a size online monitoring device, starting to perform three-dimensional scanning on the shape and size of the forge piece, automatically comparing the pre-designed three-dimensional forge piece pattern by the system after the scanning is finished, and sending a scanning comparison result to a centralized control system; and 6, the centralized control system screens and sorts the forged pieces according to the size monitoring result, and the steps are repeated until all the blanks are forged. FIG. 4 shows a titanium alloy forging produced by the intelligent forging process.
Claims (1)
1. An intelligent forging forming process of a difficult-to-deform alloy is characterized by comprising the following steps:
step 1: setting heating positions of alloy blanks difficult to deform on a Profinet centralized control system, numbering, clamping and placing the blanks by using a robot, calculating the heating rate and the heat preservation time according to the material characteristics and the blank size and the technical standard, sending an instruction to a resistance heating furnace, and controlling the resistance heating furnace to start heating and heat preservation through a PLC after the resistance heating furnace obtains the instruction;
step 2: after the blank in the step 1 is insulated, the Profinet centralized control system gives an instruction to start spraying a release agent to a die, then the robot takes the heated blank in the step 1 out of the resistance heating furnace, the heated blank in the step 1 is clamped and transferred to forging equipment, the centralized control system reads the temperature of the blank on an infrared thermometer on line and judges whether the temperature meets the set requirement, and if the temperature meets the set requirement, the instruction is given to the robot to place the heated blank in the step 1 into the forging die;
and step 3: after receiving the instruction of finishing the placement of the blank in the step 2, the Profinet centralized control system sends an instruction to forging equipment to forge according to preset forging parameters, the centralized control system collects the online forging tonnage and the die position data of the pressure sensor and the displacement sensor in the forging process, and the online forging tonnage and the die position data are compared and judged with the preset forging parameters, so that the blank is filled into a die, and the size of a forged piece is complete;
and 4, step 4: step 3, after the forging is completed, the Profinet centralized control system collects and records the temperature of the forged piece on the infrared thermometer, and sends a forged piece clamping instruction to the robot after the forging is completed, and the robot takes out the forged piece and transports the forged piece to the on-line monitoring device of the specified position size after grabbing the forged piece;
and 5: starting a size online monitoring device, carrying out three-dimensional scanning on the appearance and the size of the forging in the step 4, comparing the scanned three-dimensional forging with a three-dimensional forging figure designed in advance by the system, and sending a scanning comparison result to the centralized control system;
step 6: and (3) screening and sorting the forged pieces by the Profinet centralized control system according to the size monitoring result in the step (5), if the forged pieces in the step (5) meet the design requirement, sending an instruction to the robot to transfer the forged pieces in the step (5) to an acceptable area, otherwise, transferring the forged pieces in the step (5) to an unacceptable area by the robot, and then continuously repeating the step (2) to the step (6) until all the blanks are forged.
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| CN112620573A (en) * | 2020-11-30 | 2021-04-09 | 陕西宏远航空锻造有限责任公司 | Forging method for improving structural uniformity of high-temperature alloy forging |
| CN113458302A (en) * | 2021-06-11 | 2021-10-01 | 华中科技大学 | Intelligent forging die spray lubrication method and system |
| CN113634699A (en) * | 2021-08-17 | 2021-11-12 | 天长市天舜金属锻造有限公司 | Metal component high-temperature forging control method and control system thereof |
| CN115780713A (en) * | 2023-02-13 | 2023-03-14 | 山东太阳耐磨件有限公司 | Hot die forging production line control system based on multi-robot cooperation |
| WO2023173793A1 (en) * | 2022-03-18 | 2023-09-21 | 中国机械总院集团北京机电研究所有限公司 | Blade precision forging method and production line |
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| CN111889596B (en) | 2022-01-07 |
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