CN114700477A - High-pressure casting local extrusion control method, device, equipment and medium - Google Patents
High-pressure casting local extrusion control method, device, equipment and medium Download PDFInfo
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- CN114700477A CN114700477A CN202210180864.0A CN202210180864A CN114700477A CN 114700477 A CN114700477 A CN 114700477A CN 202210180864 A CN202210180864 A CN 202210180864A CN 114700477 A CN114700477 A CN 114700477A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/32—Controlling equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
- B22D17/2069—Exerting after-pressure on the moulding material
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a high-pressure casting local extrusion control method, a device, equipment and a medium, which comprise the following steps: in the process that the local extrusion equipment is in contact with the target casting, acquiring a first temperature of the target casting through a temperature sensor, and sending the first temperature to a controller; whether the first temperature is smaller than or equal to a preset temperature threshold value or not is judged through the controller, and when the first temperature is smaller than or equal to the preset temperature threshold value, the extrusion pin of the local extrusion equipment is controlled to move towards the target casting, so that the local extrusion equipment carries out local extrusion on the target casting. This application is through the extrusion parameter to historical extruded historical foundry goods analyzing, determines suitable preset temperature threshold value, and then is convenient for confirm the start-up moment of extrusion round pin according to preset temperature threshold value, has abandoned the mode at fixed start-up moment among the correlation technique, and then can avoid the start-up time of extrusion round pin too early or too late, makes the extrusion round pin basically all start at better constantly, the probability that can greatly reduced shrinkage porosity defect appears.
Description
Technical Field
The invention relates to the technical field of casting, in particular to a high-pressure casting local extrusion control method, device, equipment and medium.
Background
In the high-pressure casting process, in order to reduce the internal shrinkage porosity at the local wall thickness position of the die-cast part, a local extrusion process is generally adopted. There are 3 important parameters in the local extrusion process, including: extrusion pressure, extrusion pin activation time, and extrusion pin retraction time.
As for the pressing pin activation timing, in the related art, a fixed pressing pin activation timing is generally used. However, in the casting production process, the temperature of the surface of the die may fluctuate up and down, the temperature of the casting has a certain fluctuation range, other casting parameters also fluctuate, the starting time of the fixed extrusion pin cannot be adjusted in time along with the fluctuation of the parameters, and the problem of poor extrusion quality exists when the fixed extrusion pin is used.
Disclosure of Invention
The embodiment of the application provides a high-pressure casting local extrusion control method, device, equipment and medium, solves the technical problem of poor extrusion effect existing at the moment when a fixed extrusion pin is used for starting in the prior art, achieves the technical effect of improving the extrusion quality at the moment when the flexible extrusion pin is used for starting.
In a first aspect, the present application provides a local extrusion control method for high pressure casting, applied to a local extrusion apparatus, the local extrusion apparatus including a controller and a temperature sensor, the method including:
in the process that the local extrusion equipment is in contact with the target casting, acquiring a first temperature of the target casting through a temperature sensor, and sending the first temperature to a controller;
whether the first temperature is smaller than or equal to a preset temperature threshold value or not is judged through the controller, and when the first temperature is smaller than or equal to the preset temperature threshold value, the extrusion pin of the local extrusion equipment is controlled to move towards the target casting, so that the local extrusion equipment carries out local extrusion on the target casting.
Further, the method for determining the preset temperature threshold value comprises the following steps:
in the process that the local extrusion equipment respectively extrudes the N historical castings, the starting time of the extrusion pin moving to each historical casting, the first historical temperature corresponding to the starting time of each historical casting and the second historical temperature corresponding to the local extrusion equipment are obtained; n is a positive integer;
acquiring a stroke distance corresponding to the extrusion pin when the extrusion pin stops extruding each historical casting;
obtaining the extrusion quality evaluation of each historical casting;
and performing machine learning by using the corresponding starting time, the first historical temperature, the second historical temperature, the travel distance and the extrusion quality evaluation of each historical casting, and determining a preset temperature threshold.
Further, before obtaining the corresponding travel distance of the extrusion pin when the extrusion pin stops extruding each historical casting, the method further comprises the following steps:
in the process that local extrusion equipment extrudees N historical foundry goods respectively, to every historical foundry goods in N historical foundry goods, the stroke variation that corresponds when monitoring extrusion pin extrusion historical foundry goods, when stroke variation less than or equal to preset variation, control extrusion pin stops to extrude historical foundry goods.
Further, before determining whether the first temperature is less than or equal to the preset temperature threshold, the method further includes:
determining the alloy type of the target casting;
and determining a preset temperature threshold corresponding to the target casting according to the alloy type of the target casting.
In a second aspect, the present application provides a high pressure casting local extrusion control apparatus, comprising:
the judging module is used for acquiring a first temperature of the target casting through the temperature sensor in the process that the local extrusion equipment is in contact with the target casting, and sending the first temperature to the controller;
and the control module is used for judging whether the first temperature is less than or equal to a preset temperature threshold value or not through the controller, and when the first temperature is less than or equal to the preset temperature threshold value, the extrusion pin of the local extrusion equipment is controlled to move towards the target casting, so that the local extrusion equipment can locally extrude the target casting.
Further, the apparatus further comprises a preset temperature threshold determination module, wherein the preset temperature threshold determination module is configured to:
in the process that the local extrusion equipment respectively extrudes the N historical castings, the starting time of the extrusion pin moving to each historical casting, the first historical temperature corresponding to the starting time of each historical casting and the second historical temperature corresponding to the local extrusion equipment are obtained; n is a positive integer;
acquiring a stroke distance corresponding to the extrusion pin when the extrusion pin stops extruding each historical casting;
obtaining the extrusion quality evaluation of each historical casting;
and performing machine learning by using the corresponding starting time, the first historical temperature, the second historical temperature, the travel distance and the extrusion quality evaluation of each historical casting, and determining a preset temperature threshold.
Further, the control module is further configured to:
in the process that local extrusion equipment extrudees N historical foundry goods respectively, to every historical foundry goods in N historical foundry goods, the stroke variation that corresponds when monitoring extrusion pin extrusion historical foundry goods, when stroke variation less than or equal to preset variation, control extrusion pin stops to extrude historical foundry goods.
Further, the apparatus further comprises a preset temperature threshold determination module, wherein the preset temperature threshold determination module is configured to:
determining the alloy type of the target casting;
and determining a preset temperature threshold corresponding to the target casting according to the alloy type of the target casting.
In a third aspect, the present application provides an electronic device, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute to implement the high-pressure casting local extrusion control method provided by the first aspect.
In a fourth aspect, the present application provides a non-transitory computer readable storage medium having instructions that, when executed by a processor of an electronic device, enable the electronic device to perform a method of implementing the high pressure casting local extrusion control provided by the first aspect.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the method comprises the steps of obtaining a first temperature of a target casting in the process of contacting a local extrusion device with the target casting, and judging whether the first temperature is less than or equal to a preset temperature threshold value; and when the first temperature is less than or equal to the preset temperature threshold, controlling the extrusion pin of the local extrusion equipment to move towards the target casting, so that the local extrusion equipment carries out local extrusion on the target casting. This application is through the extrusion parameter to historical extruded historical foundry goods analyzing, determine suitable preset temperature threshold value, and then be convenient for confirm the start-up moment of extrusion round pin according to preset temperature threshold value, the fixed mode of start-up moment among the correlation technique has been abandoned, and then can avoid the start-up time of extrusion round pin too early or too late, make the extrusion round pin basically all start at better moment, the probability that can greatly reduced shrinkage porosity defect appears has improved the extrusion quality greatly.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a high pressure casting local extrusion control method provided by the present application;
FIG. 2 is a schematic cross-sectional view of a partial extrusion apparatus provided herein;
FIG. 3 is a schematic side view of a partial extrusion apparatus provided herein (the right side view of FIG. 2);
FIG. 4 is a schematic flow chart illustrating the operation of the squeezing control method provided in the present application;
FIG. 5 is a schematic structural view of a high pressure casting local extrusion control device provided by the present application;
fig. 6 is a schematic structural diagram of an electronic device provided in the present application.
Reference numerals:
1-target casting, 2-mold bushing, 3-first temperature sensor, 4-extrusion pin bushing, 5-second temperature sensor, 6-extrusion pin, and 7-displacement sensor.
Detailed Description
The embodiment of the application provides a local extrusion control method for high-pressure casting, and solves the technical problem that the extrusion effect is poor when a fixed extrusion pin is used for starting in the prior art.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
a high-pressure casting local extrusion control method is applied to local extrusion equipment, the local extrusion equipment comprises a controller and a temperature sensor, and the method comprises the following steps: in the process that the local extrusion equipment is in contact with the target casting 1, acquiring a first temperature of the target casting 1 through a temperature sensor, and sending the first temperature to a controller; whether the first temperature is smaller than or equal to a preset temperature threshold value or not is judged through the controller, and when the first temperature is smaller than or equal to the preset temperature threshold value, the extrusion pin 6 of the local extrusion equipment is controlled to move towards the target casting 1, so that the local extrusion equipment carries out local extrusion on the target casting 1.
This embodiment is through the extrusion parameter to historical extruded historical foundry goods analyzing, determine suitable preset temperature threshold, and then be convenient for confirm the start moment of extrusion round pin 6 according to preset temperature threshold, has abandoned the mode at fixed start moment among the correlation technique, and then can avoid the start-up time of extrusion round pin 6 too early or too late, makes extrusion round pin 6 basically all start at better moment, can greatly reduced the probability that shrinkage cavity defect appears, has improved extrusion quality greatly.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
First, it is stated that the term "and/or" appearing herein is merely one type of associative relationship that describes an associated object, meaning that three types of relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the high-pressure casting process, in order to reduce the internal shrinkage porosity at the local wall thickness position of the die-cast part, a local extrusion process is generally adopted. The local extrusion process has 3 important parameters, namely extrusion pressure, the starting time of the extrusion pin 6 and the withdrawal time of the extrusion pin 6. Wherein the moment of activation of the squeeze pin 6 is more difficult to determine. The casting is in a liquid state too early at the starting moment, the extrusion pin 6 cannot play a role of compacting the casting in the liquid casting, namely, the solid phase percentage of the extruded area is too low, the extrusion pin 6 easily enters the casting, the casting cannot be fed in the subsequent cooling process, and the defects of shrinkage porosity and shrinkage cavity are still generated in a thick area. The start moment is too late, the surface of the casting around the extrusion pin 6 is solidified, even the inside of the casting is solidified, so that the extrusion pressure cannot be transmitted, the extrusion pressure loss is large, the extrusion effect is not obvious, the extrusion distance of the extrusion pin 6 is not enough, namely, the solid phase percentage of the extruded area is too high, the extrusion pin 6 is difficult to extrude into the casting, and the shrinkage cavity can not be eliminated.
In the related art, a fixed squeeze initiation time is typically determined by process simulation with fixed parameters. In the actual die testing process, the extrusion depth of the casting extrusion pin 6 and the X-ray detection result are observed and detected, and whether the extrusion parameters are reasonable or not is determined.
However, in general, the temperature of the mold surface may fluctuate during the casting process, the temperature of the casting may have a certain fluctuation range, and other casting parameters may fluctuate. The starting time of the fixed extrusion pin 6 cannot be adjusted in time along with the fluctuation of parameters, so that the extrusion quality of the casting is poor.
The present embodiment provides a local extrusion control method for high-pressure casting as shown in fig. 1, which is applied to a controller (the controller is not shown in fig. 2 and 3) of a local extrusion apparatus as shown in fig. 2 and 3, the local extrusion apparatus further comprising a mold liner 2, an extrusion pin 6, and a temperature sensor, the extrusion pin 6 penetrating through the mold liner 2 and being movably embedded in the mold liner 2, a temperature detection position of the temperature sensor being provided on an interface between the mold liner 2 and a target casting 1; the temperature sensor is connected with the controller.
More specifically, an extrusion pin bushing 4 is further disposed inside the mold bushing 2, the extrusion pin bushing 4 penetrates the mold bushing 2 and is embedded in the mold bushing 2, and the temperature sensor may be disposed in the extrusion pin bushing 4 or may be disposed in the mold bushing 2. Two temperature sensors may be provided, including a first temperature sensor 3 and a second temperature sensor 5, one for monitoring the temperature of the target casting 1 and the other for monitoring the temperature of the mold liner 2. The positions where the first temperature sensor 3 and the second temperature sensor 5 are disposed may be determined as needed. In fig. 2 and 3 provided in the present embodiment, the first temperature sensor 3 is provided in the mold bushing 2, and the second temperature sensor 5 is provided in the extrusion pin bushing 4. The extrusion pin 6 is movable within the extrusion pin bushing 4 to effect extrusion of the target casting 1. The extrusion pin 6 is also provided with a displacement sensor 7, and the displacement sensor 7 is used for monitoring the moving distance of the extrusion pin 6.
Among them, since the temperature of the target casting 1 is high, the sensor for measuring the temperature of the target casting 1 is a device requiring high temperature resistance, which is high in cost. Therefore, only one sensor for monitoring the temperature of the mold liner 2 may be provided without allowing for cost and without placing high demands on temperature accuracy. In the case of cost allowance and high temperature accuracy requirements, a sensor for monitoring the temperature of the target casting 1 may be provided, as well as a sensor for monitoring the temperature of the mold liner 2.
A high pressure casting local squeeze control method shown in fig. 1 includes:
step S11, acquiring a first temperature of the target casting 1 through the temperature sensor in the process of contacting the local extrusion device with the target casting 1, and sending the first temperature to the controller.
After the target casting 1 is filled, the first temperature of the surface of the target casting 1 is continuously monitored by the temperature sensor. Since the surface temperature of the target casting 1 changes rapidly, the sampling rate of the temperature sensor used may be 100Hz or more.
Wherein, the first temperature of the surface of the target casting 1 can be replaced by the second temperature of the mold bushing 2 under the condition that the calculation precision is not high. Although the first temperature of the surface of the object casting 1 and the second temperature of the mold bushing 2 are different, the second temperature of the mold bushing 2 also reflects the temperature of the surface of the object casting 1 to some extent, and therefore, the second temperature of the mold bushing 2 can be used instead of the first temperature of the surface of the object casting 1 without high calculation accuracy requirement. The second temperature of the mold bushing 2 is used for replacing the first temperature of the surface of the target casting 1, so that the high temperature resistant requirement of a sensor for monitoring the temperature is reduced, and the detection cost can be reduced.
For convenience of explanation of the present embodiment, the present embodiment will be explained taking the first temperature of the target casting 1 as an example.
The first temperature of the target casting 1 is continuously collected, and is compared with a preset temperature threshold value aiming at each collected first temperature, and whether the first temperature is less than or equal to the preset temperature threshold value is judged. The temperature can indicate the solid fraction of the target casting 1 to a certain extent, and further, whether the target casting 1 is in a stage where the extrusion can be well achieved can be determined by monitoring the relationship between the first temperature and the preset temperature threshold, that is, whether the solid fraction of the target casting 1 is within an appropriate range can be determined.
The method for determining the preset temperature threshold comprises the following steps:
step S21, in the process that the local extrusion equipment respectively extrudes the N historical castings, acquiring the starting time of the extrusion pin 6 moving to each historical casting, and the first historical temperature corresponding to each historical casting at the starting time and the second historical temperature corresponding to the local extrusion equipment; n is a positive integer.
Step S22 is to obtain the stroke distance corresponding to the extrusion pin 6 when the extrusion pin 6 stops extruding each historical casting.
Step S23, obtaining extrusion quality evaluation of each historical casting;
and step S24, performing machine learning by using the starting time, the first historical temperature, the second historical temperature, the travel distance and the extrusion quality evaluation corresponding to each historical casting, and determining a preset temperature threshold.
The embodiment analyzes the extrusion parameters by acquiring the extrusion parameters in the historical extrusion record of the local extrusion equipment, and determines a proper preset temperature threshold in a machine learning manner.
The extrusion parameters comprise the starting time of the extrusion pin 6 moving to the historical castings, the first historical temperature of the historical castings corresponding to the starting time, the second historical temperature corresponding to the local extrusion equipment, the travel distance and the extrusion quality evaluation of each historical casting. The method comprises the steps of analyzing starting time, first historical temperature of a historical casting, second historical temperature corresponding to local extrusion equipment, travel distance and extrusion quality evaluation by adopting a machine learning algorithm provided in the related technology, determining a matching relation of the starting time, the first historical temperature, the second historical temperature, the travel distance and the extrusion quality evaluation, and further determining a proper preset temperature threshold.
The compression parameters may also include pressure data, i.e. the temperature sensor may be replaced by a temperature and pressure integrated sensor. When the solid fraction of the objective casting 1 is high, the pressure value is small because the pressure transmission of the solid is limited, and when the solid fraction of the objective casting 1 is low, the pressure value is large because the pressure transmission performance of the liquid is high. Therefore, the solid fraction of the target casting 1 can be laterally reflected by the pressure data. Thus, a corresponding preset pressure threshold may be determined in a similar manner to the preset temperature threshold to determine a suitable activation moment of the pressing pin 6.
Certainly, the starting time of the extrusion pin 6 can also be determined through a preset temperature threshold, then whether the starting time of the extrusion pin 6 is wrong or not is determined through a preset pressure threshold, the starting time of the extrusion pin 6 is determined through two data of temperature and pressure, the accuracy is higher, and the probability of the target casting 1 that the target casting 1 has the shrinkage cavity defect is further reduced.
Further, before obtaining the corresponding travel distance of the extrusion pin 6 when the extrusion pin 6 stops extruding each historical casting, the method further comprises:
in the process that the local extrusion equipment respectively extrudes the N historical castings, monitoring the corresponding stroke variation of the extrusion pin 6 when extruding each historical casting aiming at each historical casting in the N historical castings;
and when the stroke variation is smaller than or equal to the preset variation, controlling the extrusion pin 6 to stop extruding each historical casting.
The moment when the extrusion pin 6 stops extruding each historical casting is mainly determined according to the displacement change of the extrusion pin 6, when the stroke change amount of the extrusion pin 6 is smaller than the preset change amount, the extrusion pin 6 is considered to be blocked by the target casting 1 and does not advance any more, and at the moment, the extrusion pin 6 stops continuously extruding the historical castings.
In addition, since the target casting 1 is mainly an alloy and the preset temperature thresholds corresponding to different alloys are different, when the steps S21-S24 are executed, the corresponding preset temperature thresholds can be respectively determined for different alloys, and then the alloy type of the target casting 1 can be determined before judging whether the first temperature is less than or equal to the preset temperature threshold; and determining a preset temperature threshold corresponding to the target casting 1 according to the alloy type of the target casting 1.
For example, different preset temperature thresholds may be determined for different alloys, and after the type of the alloy of the target casting 1 is determined, the corresponding preset temperature threshold is queried, so as to determine the corresponding preset temperature threshold of the target casting 1.
For example, the predetermined temperature threshold of the aluminum alloy casting ranges from 450 ℃ to 635 ℃. Correspondingly, when the temperature of the mold liner 2 is adopted as the reference temperature, the value range of the internal temperature threshold of the mold liner 2 corresponding to the aluminum alloy casting is 180 to 550 ℃. The value range of the preset temperature threshold value of the magnesium alloy casting is 395-630 ℃. Correspondingly, when the temperature of the die bushing 2 is adopted as the reference temperature, the value range of the internal temperature threshold of the die bushing 2 corresponding to the magnesium alloy casting is 180-550 ℃.
Step S12, judging whether the first temperature is less than or equal to a preset temperature threshold value through the controller, and controlling the extrusion pin of the local extrusion equipment to move towards the target casting 1 when the first temperature is less than or equal to the preset temperature threshold value, so that the local extrusion equipment carries out local extrusion on the target casting 1.
And judging the size relationship between the first temperature and the preset temperature threshold, when the first temperature of the target casting 1 is smaller than or equal to the preset temperature threshold, the solid fraction of the target casting 1 is in a proper range, and at the moment, the extrusion pin 6 can be controlled to move towards the target casting 1, so that the local extrusion equipment can locally extrude the target casting 1.
That is to say, this embodiment determines suitable preset temperature threshold through the extrusion parameter to historical extruded historical foundry goods, and then is convenient for confirm the start moment of extrusion round pin 6 according to preset temperature threshold, has abandoned the mode at fixed start moment among the correlation technique, and then can avoid the start time of extrusion round pin 6 too early or too late, makes extrusion round pin 6 basically all start at better moment, can greatly reduced the probability that shrinkage porosity defect appears, improved extrusion quality greatly.
An example is now provided to illustrate the solution provided by the present embodiment.
As shown in fig. 4, when the casting is completely filled, on one hand, a timer is started, on the other hand, temperature is collected by a temperature sensor, the relationship between the collected temperature and a temperature threshold value is judged, and when the collected temperature is less than or equal to the temperature threshold value, the extrusion pin 6 is started, and at this time, the starting time is recorded. The extrusion stroke of the extrusion pin 6 is measured along with the start of the extrusion pin 6, when the extrusion stroke variation is smaller than the preset variation, the extrusion pin 6 is controlled to stop extruding, and the stop time is recorded, and the recorded information can be used for machine learning to further accurately control the start time of the extrusion pin 6.
Based on the same inventive concept, the present embodiment provides a high pressure casting local extrusion control apparatus as shown in fig. 5, the apparatus comprising:
the judging module 51 is used for acquiring a first temperature of the target casting 1 through a temperature sensor in the process that the local extrusion equipment is in contact with the target casting 1, and sending the first temperature to the controller;
and the control module 52 is configured to judge whether the first temperature is less than or equal to a preset temperature threshold through the controller, and when the first temperature is less than or equal to the preset temperature threshold, control the extrusion pin of the local extrusion device to move towards the target casting 1, so that the local extrusion device locally extrudes the target casting 1.
Further, the apparatus further comprises a preset temperature threshold determination module configured to:
in the process that local extrusion equipment respectively extrudes N historical castings, acquiring the starting time of the extrusion pin 6 moving to each historical casting, and a first historical temperature corresponding to each historical casting at the starting time and a second historical temperature corresponding to the local extrusion equipment; n is a positive integer;
acquiring a stroke distance corresponding to the extrusion pin 6 when the extrusion pin 6 stops extruding each historical casting;
obtaining the extrusion quality evaluation of each historical casting;
and performing machine learning by using the corresponding starting time, the first historical temperature, the second historical temperature, the travel distance and the extrusion quality evaluation of each historical casting, and determining a preset temperature threshold.
Further, the control module 52 is further configured to:
in the process that the local extrusion equipment respectively extrudes the N historical castings, monitoring the corresponding stroke variation of the extrusion pin 6 when extruding the historical castings aiming at each historical casting in the N historical castings;
and when the stroke variation is smaller than or equal to the preset variation, controlling the extrusion pin 6 to stop extruding the historical casting.
Further, the preset temperature threshold determination module is further configured to:
determining the alloy type of the target casting 1;
and determining a preset temperature threshold corresponding to the target casting 1 according to the alloy type of the target casting 1.
Based on the same inventive concept, the present embodiment provides an electronic device as shown in fig. 6, including:
a processor 61;
a memory 62 for storing instructions executable by the processor 61;
wherein the processor 61 is configured to execute to implement a high pressure casting local extrusion control method.
Based on the same inventive concept, the present embodiment provides a non-transitory computer-readable storage medium, in which instructions, when executed by a processor 61 of an electronic device, enable the electronic device to perform a method of implementing a high-pressure casting local extrusion control.
Since the electronic device described in this embodiment is an electronic device used for implementing the method for processing information in this embodiment, a person skilled in the art can understand the specific implementation manner of the electronic device of this embodiment and various variations thereof based on the method for processing information described in this embodiment, and therefore, how to implement the method in this embodiment by the electronic device is not described in detail here. Electronic devices used by those skilled in the art to implement the method for processing information in the embodiments of the present application are all within the scope of the present application.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A high-pressure casting local extrusion control method is characterized by being applied to local extrusion equipment, wherein the local extrusion equipment comprises a controller and a temperature sensor, and the method comprises the following steps:
in the process that the local extrusion equipment is in contact with a target casting, acquiring a first temperature of the target casting through the temperature sensor, and sending the first temperature to the controller;
the controller judges whether the first temperature is smaller than or equal to a preset temperature threshold value or not, and when the first temperature is smaller than or equal to the preset temperature threshold value, the extrusion pin of the local extrusion equipment is controlled to move towards the target casting, so that the local extrusion equipment locally extrudes the target casting.
2. The method of claim 1, wherein the predetermined temperature threshold is determined by a method comprising:
in the process that the local extrusion equipment respectively extrudes N historical castings, acquiring the starting time of the extrusion pin moving to each historical casting, and a first historical temperature corresponding to each historical casting at the starting time and a second historical temperature corresponding to the local extrusion equipment; n is a positive integer;
acquiring a stroke distance corresponding to the extrusion pin when the extrusion pin stops extruding each historical casting;
obtaining the extrusion quality evaluation of each historical casting;
and performing machine learning by using the corresponding starting time, the first historical temperature, the second historical temperature, the travel distance and the extrusion quality evaluation of each historical casting, and determining the preset temperature threshold.
3. The method of claim 1, wherein prior to obtaining the corresponding travel distance of the extrusion pin at the time the extrusion pin stops extruding each historical casting, the method further comprises:
local extrusion equipment carries out the in-process of extrudeing to N historical foundry goods respectively, aim at every historical foundry goods in N historical foundry goods, monitor corresponding stroke variation when extrusion pin extrudees historical foundry goods, work as when stroke variation is less than or equal to the predetermined variation, control the extrusion pin stops to extrude historical foundry goods.
4. The method of claim 1, wherein prior to determining whether the first temperature is less than or equal to a preset temperature threshold, the method further comprises:
determining the alloy type of the target casting;
and determining the preset temperature threshold corresponding to the target casting according to the alloy type of the target casting.
5. A high pressure casting localized extrusion control apparatus, the apparatus comprising:
the judgment module is used for acquiring a first temperature of a target casting through a temperature sensor in the process of contacting the local extrusion equipment with the target casting, and sending the first temperature to the controller;
the control module is used for judging whether the first temperature is smaller than or equal to a preset temperature threshold value through a controller, and when the first temperature is smaller than or equal to the preset temperature threshold value, the control module controls the extrusion pin of the local extrusion equipment to move towards the target casting, so that the local extrusion equipment carries out local extrusion on the target casting.
6. The apparatus of claim 5, further comprising a preset temperature threshold determination module to:
in the process that the local extrusion equipment respectively extrudes N historical castings, acquiring the starting time of the extrusion pin moving to each historical casting, and a first historical temperature corresponding to each historical casting at the starting time and a second historical temperature corresponding to the local extrusion equipment; n is a positive integer;
acquiring a stroke distance corresponding to the extrusion pin when the extrusion pin stops extruding each historical casting;
obtaining the extrusion quality evaluation of each historical casting;
and performing machine learning by using the corresponding starting time, the first historical temperature, the second historical temperature, the travel distance and the extrusion quality evaluation of each historical casting, and determining the preset temperature threshold.
7. The apparatus of claim 5, wherein the control module is further to:
local extrusion equipment carries out the in-process of extrudeing to N historical foundry goods respectively, aim at every historical foundry goods in N historical foundry goods, monitor corresponding stroke variation when extrusion pin extrudees historical foundry goods, work as when stroke variation is less than or equal to the predetermined variation, control the extrusion pin stops to extrude historical foundry goods.
8. The apparatus of claim 5, further comprising a preset temperature threshold determination module to:
determining the alloy type of the target casting;
and determining the preset temperature threshold corresponding to the target casting according to the alloy type of the target casting.
9. An electronic device, comprising:
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to execute to implement a high pressure casting localized extrusion control method as claimed in any one of claims 1 to 4.
10. A non-transitory computer readable storage medium having instructions therein which, when executed by a processor of an electronic device, enable the electronic device to perform implementing a high pressure casting local extrusion control method as claimed in any one of claims 1 to 4.
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