CN115852138A - Automatic control system for heat treatment processing - Google Patents
Automatic control system for heat treatment processing Download PDFInfo
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Abstract
The invention relates to the technical field of control, in particular to an automatic control system for heat treatment processing, which comprises: the feeding device is used for conveying heat treatment materials; the quenching device is connected with the feeding device and is used for quenching the heat treatment material; a cooling device connected to the quenching device by a robot arm for cooling the quenched heat-treated material; the tempering device is connected with the cooling device and is used for tempering the cooled heat treatment material; the detection device is connected with the tempering device and is used for detecting the hardness of the tempered heat-treated material; and the central control module comprises an identification unit, a judgment unit and an adjusting unit which are connected with each other, and is used for adjusting the temperature standard and the temperature variation of the quenching device and the water changing rate of the cooling device according to the hardness of the heat-treated material. The invention guides the production of the next batch of materials by adjusting various parameters in the heat treatment process, thereby improving the heat treatment efficiency aiming at the metal.
Description
Technical Field
The invention relates to the technical field of control, in particular to an automatic control system for heat treatment processing.
Background
The heat treatment is a metal hot processing technology for changing the chemical components and structures on the surface or in the material to obtain the required performance by heating, heat preservation and cooling the metal material in a solid state.
In the heat treatment process, the input dosage of various temperatures, time and materials needs to be strictly controlled, if a slight error occurs, the quality problem of prepared products is likely to be caused, but various data needing to be measured in the preparation process are various, and manual memory and operation are easy to make an error, so that the preparation efficiency is not high, and therefore, the problems can be well solved through an automatic control system in the heat treatment process.
Chinese patent publication no: CN105242633B discloses an intelligent preparation method of an alloy plate hammer, which comprises the following steps: the temperature detection module respectively detects temperature values in the medium-frequency induction furnace, the sand box and the freezing box, and the clock module comprises a timer 01 arranged in the sand box, a timer 02 arranged in the heat treatment furnace and a timer 03 arranged in the freezing box and is used for related timing; and the PLC controls the deoxidation module, the alarm module, the heating module and the freezing module to carry out related operations according to temperature values and preset timing information in the medium-frequency induction furnace, the sand box and the freezing box.
The prior art can not adjust various parameters in the production process of the next batch according to the performance of the material after heat treatment, so that the heat treatment efficiency is low.
Disclosure of Invention
Therefore, the invention provides an automatic control system for heat treatment processing, which is used for solving the problem of low heat treatment efficiency caused by untimely adjustment of all parameters in the heat treatment process in the prior art.
In order to achieve the above object, the present invention provides an automatic control system for heat treatment process, comprising:
the feeding device is used for conveying materials to be treated;
the quenching device is connected with the feeding device and is used for quenching the material to be treated; the quenching device is also provided with a temperature controller for adjusting the quenching temperature and an infrared temperature measuring sensor for measuring the ambient temperature in the quenching device;
the cooling device is connected with the quenching device and used for cooling the quenched heat-treated material output by the quenching device; the cooling device is provided with a water inlet mechanism for feeding water, a water outlet mechanism for discharging water and a temperature sensor for measuring the cooling temperature of the heat treatment material; the water inlet mechanism is provided with a first valve for adjusting the water inlet flow; the water outlet mechanism is provided with a second valve for adjusting the water outlet flow;
the tempering device is connected with the cooling device and is used for tempering the cooled heat treatment material;
the detection device is connected with the tempering device and is used for detecting the hardness of the tempered heat treatment material output by the tempering device;
the central control module comprises an identification unit, a judgment unit and an adjustment unit which are connected with each other, wherein the identification unit is respectively connected with the infrared temperature measurement sensor, the temperature sensor and the detection device and is used for acquiring parameters of the material to be processed in each device and transmitting the acquired parameters to the judgment unit, and the parameters comprise the ambient temperature of the material to be processed, which is measured by the infrared temperature measurement sensor, the cooling temperature measured by the temperature sensor and the hardness of the heat treatment material, which is measured by the detection device;
the judging unit determines the reason why the performance of the heat-treated material does not meet the standard according to the parameter output by the identifying unit, and determines the reason why the performance of the heat-treated material does not meet the standard according to the difference between the hardness of the heat-treated material and the first preset standard hardness when the performance of the heat-treated material is judged not to meet the standard, and secondarily judges the reason why the performance of the heat-treated material does not meet the standard according to the tempering time of the tempering device;
the adjusting unit is connected with the temperature controller and is used for adjusting the quenching temperature of the next material to be processed to a corresponding value according to the carbon content of the heat-treated material; and adjusting the water inlet flow of the cooling device to a corresponding value according to the cooling rate of the heat treatment material; and adjusting the tempering temperature of the next heat-treated material to a corresponding value according to the difference between the second preset standard hardness and the hardness of the heat-treated material.
Further, for a single heat-treated material in a single batch, the determination unit determines the determination mode for the performance of the heat-treated material according to the actual hardness of the heat-treated material conveyed by the identification unit, wherein,
the first judging mode is that the judging unit judges that the performance of the heat treatment material meets the preset standard, outputs the heat treatment material to the system so as to carry out the next process of the heat treatment, and controls the detecting device to detect the next heat treatment material output by the tempering device; the first judging mode satisfies that the actual hardness of the heat treatment material is greater than a second preset standard hardness set in the judging unit;
the second judgment mode is that the judgment unit preliminarily judges that the performance of the heat treatment material does not meet the preset standard, and the judgment unit adjusts the operation parameter of the tempering device aiming at the next heat treatment material to a corresponding value according to the difference value between the second preset standard hardness and the hardness of the heat treatment material; the second determination mode satisfies that the actual hardness of the heat treatment material is greater than a first preset standard hardness and less than or equal to a second preset standard hardness, wherein the first preset standard hardness is less than the second preset standard hardness;
the third judgment mode is that the judgment unit judges that the performance of the heat treatment material does not meet the preset standard, and determines the reason why the performance of the heat treatment material does not meet the preset standard according to the difference value between the first preset standard hardness and the hardness of the heat treatment material; the third determination mode satisfies that the actual hardness of the heat-treated material is equal to or less than the first predetermined standard hardness.
Further, the determination unit determines a cause determination manner for the non-compliance of the heat-treated material with respect to the performance of the heat-treated material, based on a difference between the first preset standard hardness and the hardness of the heat-treated material under a first preset condition,
the first reason judging mode is that the judging unit judges the reason that the performance of the heat treatment material does not meet the standard as that the carbon content in the heat treatment material is not in a preset interval, and the judging unit adjusts the quenching temperature of the quenching device aiming at the material to be treated to a corresponding value when the quenching device is used for quenching the next material to be treated; the first reason judging mode meets the condition that the difference between the first preset standard hardness and the hardness of the heat treatment material is less than or equal to the over-low difference of the first preset standard hardness set by the judging unit;
the second reason determining mode is that the determining unit determines the reason that the performance of the heat treatment material does not meet the standard as the heating temperature reason, and the determining unit respectively adjusts the heating temperature variation of the quenching device in different cycles for the material to be treated to corresponding values when the quenching device quenches the next material to be treated; the second reason judging mode meets the condition that the difference value between the first preset standard hardness and the hardness of the heat treatment material is larger than the first preset standard hardness too-low difference value and is smaller than or equal to a second preset standard hardness too-low difference value set by the judging unit, wherein the first preset standard hardness too-low difference value is smaller than the second preset standard hardness too-low difference value;
the third reason judging mode is that the judging unit judges the reason that the performance of the heat treatment material does not meet the standard as the reason of the cooling rate, and the judging unit adjusts the water inlet flow of the cooling device aiming at the heat treatment material to a corresponding value when the cooling device is used for cooling the next heat treatment material; the third cause judgment mode meets the condition that the difference value between the first preset standard hardness and the hardness of the heat treatment material is larger than the second preset standard hardness too-low difference value and is smaller than or equal to a third preset standard hardness too-low difference value;
a fourth cause judgment mode is that the judgment unit preliminarily determines that the judgment cannot be carried out on the cause of the performance of the heat-treated material not meeting the standard, and the judgment unit carries out secondary judgment on the performance of the heat-treated material according to the tempering time of the tempering device; the fourth reason judgment mode meets the condition that the difference value between the first preset standard hardness and the hardness of the heat treatment material is larger than the over-low difference value of the third preset standard hardness;
the first preset condition is that the judging unit judges that the performance of the heat treatment material does not meet the preset standard.
Further, the adjusting unit determines the adjusting mode of the quenching temperature when the next material to be treated is quenched according to the actual carbon content of the heat-treated material under a second preset condition, wherein,
the first quenching temperature adjusting mode is that the adjusting unit adjusts the quenching temperature of the next material to be processed to a corresponding value by using a first temperature standard adjusting coefficient; the first quenching temperature adjusting mode meets the condition that the actual carbon content of the heat treatment material is less than or equal to the preset standard carbon content interval value set by the adjusting unit;
the second quenching temperature adjusting mode is that the adjusting unit adjusts the quenching temperature of the next material to be processed to a corresponding value by using a second temperature standard adjusting coefficient; the second quenching temperature adjusting mode meets the condition that the actual carbon content of the heat treatment material is larger than the preset standard carbon content interval value;
the second preset condition is that the judging unit judges that the reason why the performance of the heat-treated material does not meet the standard is that the carbon content in the heat-treated material is not in the preset interval.
Further, the temperature variation f (Δ T) of the quenching device per unit time and the quenching time T satisfy the relationship:
，
wherein a is a first parameter, and b is a second parameter;
the adjusting unit determines an adjusting manner of the first parameter according to a difference between the adjusted quenching temperature and the initial temperature in a second cause determination manner, wherein,
the first adjusting mode is that the adjusting unit adjusts the first parameter to a corresponding value by using a first adjusting coefficient; the first adjusting mode meets the condition that the difference value between the adjusted quenching temperature and the initial temperature is less than or equal to a first preset temperature difference value set by the adjusting unit;
the second adjustment mode is that the adjustment unit adjusts the first parameter to a corresponding value by using a second adjustment coefficient; the second adjusting mode meets the condition that the difference value between the adjusted quenching temperature and the initial temperature is larger than the first preset temperature difference value and smaller than or equal to a second preset temperature difference value set by the adjusting unit, wherein the first preset temperature difference value is smaller than the second preset temperature difference value;
the third adjustment mode is that the adjustment unit adjusts the first parameter to a corresponding value by using a third adjustment coefficient; and the third adjusting mode meets the condition that the difference value between the adjusted quenching temperature and the initial temperature is greater than the second preset temperature difference value.
Further, the adjusting unit determines the adjusting mode of the water inlet flow of the cooling device according to the cooling rate of the heat treatment material under a third preset condition, wherein,
the first flow regulation mode is that the regulation unit regulates the inflow of the cooling device to a corresponding value by using a first flow regulation coefficient; the first flow regulating mode meets the condition that the cooling rate of the heat treatment material is less than or equal to a first preset cooling rate set by the regulating unit;
the second flow regulation mode is that the regulation unit regulates the inflow of the cooling device to a corresponding value by using a second flow regulation coefficient; the second flow regulating mode meets the condition that the cooling rate of the heat treatment material is greater than the first preset cooling rate and less than or equal to a second preset cooling rate set by the regulating unit, wherein the first preset cooling rate is less than the second preset cooling rate;
the third flow regulating mode is that the regulating unit regulates the inflow of the cooling device to a corresponding value by using a third flow regulating coefficient; the third flow rate adjusting mode meets the condition that the cooling rate of the heat treatment material is greater than the second preset cooling rate;
the third preset condition is that the judging unit judges the reason why the performance of the heat-treated material does not meet the standard as the cooling rate reason.
Further, the judging unit determines a secondary judgment mode of a cause of the performance of the heat-treated material failing to meet a standard according to the tempering time of the tempering apparatus under a fourth preset condition,
the first secondary judgment mode is that the judgment unit judges the reason that the performance of the heat treatment material does not meet the standard as a system reason; the first secondary judgment mode meets the condition that the tempering time of the tempering device is less than or equal to the preset standard tempering time set by the judgment unit;
the second secondary judgment mode is that the judgment unit judges the reason that the performance of the heat treatment material does not meet the standard as the reason of tempering time; the second secondary judgment mode meets the condition that the tempering time of the tempering device is longer than the preset standard tempering time;
the fourth preset condition is that the determination unit preliminarily determines that determination cannot be made for the reason why the performance of the heat-treated material does not meet the standard.
Further, the adjusting unit determines an adjusting manner of the tempering temperature of the next heat-treated material according to a difference between the second preset standard hardness and the hardness of the heat-treated material in the second determination manner, wherein,
the first tempering temperature adjusting mode is that the adjusting unit adjusts the tempering temperature of the next material to be processed to a corresponding value by using the first tempering temperature standard adjusting coefficient; the first tempering temperature adjusting mode meets the condition that the difference value between the second preset standard hardness and the hardness of the heat treatment material is smaller than or equal to the first preset standard hardness overhigh difference value set by the adjusting unit;
the second tempering temperature adjusting mode is that the adjusting unit adjusts the tempering temperature of the next material to be processed to a corresponding value by using a second tempering temperature standard adjusting coefficient; the second tempering temperature adjusting mode meets the condition that the difference value between the second preset standard hardness and the hardness of the heat treatment material is larger than the first preset standard hardness overhigh difference value and is smaller than or equal to the second preset standard hardness overhigh difference value set by the adjusting unit, wherein the first preset standard hardness overhigh difference value is smaller than the second preset standard hardness overhigh difference value;
the third tempering temperature adjusting mode is that the adjusting unit adjusts the tempering temperature of the next material to be processed to a corresponding value by using a third tempering temperature standard adjusting coefficient; and the third tempering temperature adjusting mode meets the condition that the difference value between the second preset standard hardness and the hardness of the heat treatment material is larger than the second preset standard hardness overhigh difference value.
Further, the heating temperature T of the quenching device and the cooling rate V of the cooling device meet the requirement
。
Further, the determination unit controls the first valve to adjust the opening degree of the first valve to a corresponding value to adjust the inflow rate of the cooling device to a corresponding value.
Compared with the prior art, the method has the beneficial effects that whether the parameters of each device are proper in the heat treatment process is judged by detecting the hardness of the material after heat treatment, so that a basis is effectively provided for producing the next batch of material; meanwhile, the invention ensures that the performance of the material after heat treatment meets the standard by adjusting the temperature in the quenching process, the temperature variation in the quenching process and the inflow in the cooling process, ensures that the produced product meets the standard by adjusting various parameters in the heat treatment process, avoids secondary rework, reduces the output rate of defective products and further improves the heat treatment efficiency of the system aiming at the metal material.
Furthermore, the invention is provided with a plurality of preset standard hardnesses, the hardness of the material after heat treatment is detected, the hardness is compared with the preset standard hardness, whether the performance of the material after heat treatment meets the standard or not is judged, whether the produced product is a qualified product or not can be determined on the one hand by judging the hardness of the current material, and the next procedure is continued if the product is the qualified product; on the other hand, if the material is an unqualified product, the reason of the unqualified product can be searched, thereby providing theoretical guidance for the production of the next heat treatment material.
Furthermore, the invention is provided with a plurality of preset standard hardness too low difference values, the difference value between the hardness of the material after heat treatment and the standard hardness is compared with each preset standard hardness too low difference value to determine the reason that the performance of the heat treatment material does not meet the standard, and the reason is analyzed to correspondingly adjust the difference value, so that the phenomenon that a large amount of waste products are generated due to untimely adjustment of production parameters to influence the production progress is avoided.
Furthermore, the system is provided with a preset standard carbon content interval value, the quenching temperature of the quenching device is adjusted by comparing the carbon content of the processed heat-treated material with the preset standard carbon content interval value, and the carbon content of the heat-treated material meets the standard by adjusting the quenching temperature, so that the hardness of the heat-treated material meets the standard, the performance of the product is effectively ensured, and the heat treatment efficiency of the system for the metal material is further improved.
Furthermore, the invention is provided with a plurality of preset temperature difference values, the difference value between the quenching temperature and the initial temperature of the quenching device after adjustment is compared with each preset temperature difference value, the temperature variation of the quenching device is adjusted, and the hardness of the heat treatment material meets the requirement by adjusting the temperature variation, so that the quality of the product meets the requirement, the production process is not influenced, and the heat treatment efficiency of the system of the invention for the metal material is further improved.
Furthermore, the system is provided with a plurality of preset cooling rates, the cooling rate of the heat treatment material is compared with each preset cooling rate, the water inlet flow of the cooling device is adjusted according to the comparison result, so that the heat treatment material can be cooled in time, the hardness of the heat treatment material meets the requirement, the temperature of cooling water is ensured from the water inlet flow of the cooling device, the heat treatment material can be cooled rapidly, the hardness of the heat treatment material meets the production requirement, the production requirement is effectively ensured, and the heat treatment efficiency of the system for the metal material is further improved.
Furthermore, the invention carries out secondary judgment on the reason that the performance of the heat treatment material does not meet the standard according to the tempering time of the tempering device, thereby effectively and accurately judging the performance of the product and avoiding the increase of defective rate caused by inaccurate judgment.
Further, when the performance of the heat treatment material is preliminarily judged to be not in accordance with the preset standard, the tempering temperature of the next heat treatment material is adjusted according to the difference between the second preset standard hardness and the hardness of the heat treatment material, so that the condition that the performance of the heat treatment material is not in accordance with the standard due to unreasonable tempering temperature setting is avoided, the production process is prevented from being influenced, and the heat treatment efficiency of the system for the metal material is effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of an automated thermal processing control system according to an embodiment of the present invention;
FIG. 2 is a block diagram of a control module according to an embodiment of the present invention;
FIG. 3 is a flowchart of the present invention for determining the properties of a heat-treated material based on the hardness of the heat-treated material;
fig. 4 is a flowchart of adjusting the quenching temperature of the next material to be processed according to the carbon content of the heat-treated material according to the embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in conjunction with the following examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, which is a schematic structural diagram of an automated thermal processing control system according to an embodiment of the present invention, the automated thermal processing control system includes:
a feeding device 1 for conveying a material to be treated;
the quenching device 2 is connected with the feeding device 1 and is used for quenching the material to be treated; the quenching device 2 is also provided with a temperature controller 21 for adjusting the quenching temperature and an infrared temperature measuring sensor 22 for measuring the ambient temperature in the quenching device 2;
a cooling device 3 connected to the quenching device 2 for cooling the quenched heat-treated material output from the quenching device 2; the cooling device 3 is provided with a water inlet mechanism 31 for feeding water, a water outlet mechanism 32 for discharging water and a temperature sensor 33 for measuring the cooling temperature of the heat treatment material; the water inlet mechanism 31 is provided with a first valve 311 for adjusting the water inlet flow; the water outlet mechanism is provided with a second valve 321 for adjusting the flow rate of the outlet water;
a tempering device 4 connected to the cooling device 3 for tempering the cooled heat-treated material;
a detection device 5 connected with the tempering device 4 and used for detecting the hardness of the tempered heat treatment material output by the tempering device 4;
please refer to fig. 2, which is a block diagram of a control module according to an embodiment of the present invention, wherein the control module includes an identification unit, a determination unit and an adjustment unit, which are connected to each other, wherein the identification unit is respectively connected to the infrared temperature sensor 22, the temperature sensor 33 and the detection device 5, and is configured to obtain parameters of the material to be processed in each device and transmit the obtained parameters to the determination unit, and the parameters include an ambient temperature of the material to be processed measured by the infrared temperature sensor 22, a cooling temperature measured by the temperature sensor 33 and a hardness of the heat-treated material measured by the detection device 5;
the judging unit determines whether the performance of the heat-treated material meets the standard according to the parameters output by the identifying unit and determines the reason why the performance of the heat-treated material does not meet the standard according to the difference between the hardness of the heat-treated material and the first preset standard hardness when the performance of the heat-treated material is judged not to meet the standard, and secondarily judges the reason why the performance of the heat-treated material does not meet the standard according to the tempering time of the tempering device 4;
the adjusting unit is connected with the temperature controller 21, the first valve 31 and the tempering device 4 and is used for adjusting the quenching temperature of the next material to be processed to a corresponding value according to the carbon content of the heat-treated material; adjusting the water inlet flow of the cooling device to a corresponding value according to the cooling rate of the heat treatment material; and adjusting the tempering temperature of the next heat-treated material to a corresponding value according to the difference between the second preset standard hardness and the hardness of the heat-treated material.
Referring to fig. 3, which is a flowchart illustrating an embodiment of the present invention for determining the performance of a heat-treated material according to the hardness of the heat-treated material, for a single heat-treated material in a single batch, the determining unit determines the determination manner for the performance of the heat-treated material according to the actual hardness of the heat-treated material delivered by the identifying unit, wherein,
the first judging mode is that the judging unit judges that the performance of the heat treatment material meets the preset standard, outputs the heat treatment material to the system so as to carry out the next process of the heat treatment, and controls the detecting device to detect the next heat treatment material output by the tempering device; the first judging mode satisfies that the actual hardness of the heat treatment material is greater than a second preset standard hardness set in the judging unit;
the second judgment mode is that the judgment unit preliminarily judges that the performance of the heat treatment material does not meet the preset standard, and the judgment unit adjusts the operation parameter of the tempering device aiming at the next heat treatment material to a corresponding value according to the difference value between the second preset standard hardness and the hardness of the heat treatment material; the second determination mode satisfies that the actual hardness of the heat treatment material is greater than a first preset standard hardness and less than or equal to a second preset standard hardness, wherein the first preset standard hardness is less than the second preset standard hardness;
the third judgment mode is that the judgment unit judges that the performance of the heat treatment material does not meet the preset standard, and determines the reason why the performance of the heat treatment material does not meet the preset standard according to the difference value of the first preset standard hardness and the actual hardness of the heat treatment material; the third determination mode satisfies that the hardness of the heat-treated material is equal to or less than the first predetermined standard hardness.
The method is provided with a plurality of preset standard hardnesses, whether the performance of the material after heat treatment meets the standard or not is judged by detecting the actual hardness of the material after heat treatment and comparing the actual hardness with the preset standard hardness, whether the produced product is a qualified product or not can be determined on the one hand by judging the current material hardness, and the next procedure is continued if the product is the qualified product; on the other hand, if the product is unqualified, the reason of the unqualified product can be searched, so that theoretical guidance is provided for the production of the next heat-treated material.
Specifically, the determination unit determines a cause determination manner for the non-conformity of the heat-treated material in terms of the difference between the first preset standard hardness and the hardness of the heat-treated material under a first preset condition,
the first reason determining mode is that the determining unit determines that the reason why the performance of the heat-treated material does not meet the standard is that the carbon content in the heat-treated material is not in the preset interval, and the determining unit adjusts the quenching temperature of the quenching device 2 for the material to be treated to a corresponding value when the quenching device 2 quenches the next material to be treated; the first reason judging mode meets the condition that the difference between the first preset standard hardness and the hardness of the heat treatment material is less than or equal to the over-low difference of the first preset standard hardness set by the judging unit;
the second reason determining manner is that the determining unit determines the reason that the performance of the heat-treated material does not meet the standard as the heating temperature reason, and the determining unit adjusts the heating temperature variation of the quenching device 2 in different cycles for the material to be treated to corresponding values when the quenching device quenches the next material to be treated; the second reason judging mode meets the condition that the difference value between the first preset standard hardness and the hardness of the heat treatment material is larger than the first preset standard hardness too-low difference value and is smaller than or equal to a second preset standard hardness too-low difference value set by the judging unit, wherein the first preset standard hardness too-low difference value is smaller than the second preset standard hardness too-low difference value;
the third reason judging mode is that the judging unit judges the reason that the performance of the heat treatment material does not meet the standard as the reason of the cooling rate, and the judging unit adjusts the water inlet flow of the cooling device 3 aiming at the heat treatment material to a corresponding value when the cooling device 3 cools aiming at the next heat treatment material; the third cause judgment mode meets the condition that the difference value between the first preset standard hardness and the hardness of the heat treatment material is larger than the second preset standard hardness too-low difference value and is smaller than or equal to a third preset standard hardness too-low difference value;
a fourth cause determination mode in which the determination unit preliminarily determines a cause for which the performance of the heat-treated material does not meet the standard, and the determination unit secondarily determines the performance of the heat-treated material based on the tempering time of the tempering device 4; the fourth reason judgment mode meets the condition that the difference between the first preset standard hardness and the hardness of the heat treatment material is larger than the third preset standard hardness too-low difference;
the first preset condition is that the judging unit judges that the performance of the heat treatment material does not meet a preset standard.
The invention is provided with a plurality of preset standard hardness too low difference values, the reason that the performance of the heat-treated material does not meet the standard is determined by comparing the difference value between the hardness of the heat-treated material and the standard hardness with each preset standard hardness too low difference value, and the reason is analyzed to correspondingly adjust the heat-treated material, so that the phenomenon that a large amount of waste products are produced due to untimely adjustment of production parameters to influence the production progress is avoided.
Referring to fig. 4, which is a flowchart illustrating an embodiment of adjusting the quenching temperature of the next material to be processed according to the carbon content of the heat-treated material, the adjusting unit determines the adjustment manner of the quenching temperature when the next material to be processed is quenched according to the actual carbon content of the heat-treated material under a second preset condition, wherein,
the first quenching temperature adjusting mode is that the adjusting unit adjusts the quenching temperature of the next material to be processed to a corresponding value by using a first temperature standard adjusting coefficient; the first quenching temperature adjusting mode meets the condition that the actual carbon content of the heat treatment material is less than or equal to a preset standard carbon content interval value set by the adjusting unit;
the second quenching temperature adjusting mode is that the adjusting unit adjusts the quenching temperature of the next material to be processed to a corresponding value by using a second temperature standard adjusting coefficient; the second quenching temperature adjusting mode meets the condition that the actual carbon content of the heat treatment material is larger than the preset standard carbon content interval value;
the second preset condition is that the judging unit judges that the reason why the performance of the heat treatment material does not meet the standard is that the carbon content in the heat treatment material is not in a preset interval.
Specifically, the adjusting unit is provided with a preset standard carbon content interval value D, the carbon content of the heat treatment material is D, a first temperature standard adjusting coefficient alpha 1 and a second temperature standard adjusting coefficient alpha 2, wherein alpha 1 is more than 1 and alpha 2 is more than 1.4,
if D is less than or equal to D, the adjusting unit adjusts the quenching temperature of the next material to be treated to a corresponding value by using alpha 1;
if D is larger than D, the adjusting unit adjusts the quenching temperature of the next material to be treated to a corresponding value by using alpha 2;
the adjusting means sets T '= T × α i, where i =1,2, where α i represents the adjusted quenching temperature as T'.
The invention is provided with a preset standard carbon content interval value, the quenching temperature of the quenching device is adjusted by comparing the carbon content of the processed heat-treated material with the preset standard carbon content interval value, and the carbon content of the heat-treated material meets the standard by adjusting the quenching temperature, so that the hardness of the heat-treated material meets the standard, the performance of the product is effectively ensured, and the heat treatment efficiency of the system for the metal material is further improved.
Specifically, the temperature change amount f (Δ T) per unit time of the quenching apparatus 2 and the quenching time period T satisfy the relationship:
，
wherein a is a first parameter, a =8,b is set as a second parameter, and b =16 is set;
the adjusting unit determines an adjusting mode of the first parameter according to a difference between the adjusted quenching temperature and the initial temperature in a second cause determination mode, wherein,
the first adjusting mode is that the adjusting unit adjusts the first parameter to a corresponding value by using a first adjusting coefficient; the first adjusting mode meets the condition that the difference value between the adjusted quenching temperature and the initial temperature is less than or equal to a first preset temperature difference value set by the adjusting unit;
the second adjustment mode is that the adjustment unit adjusts the first parameter to a corresponding value by using a second adjustment coefficient; the second adjusting mode meets the condition that the difference value between the adjusted quenching temperature and the initial temperature is larger than the first preset temperature difference value and smaller than or equal to a second preset temperature difference value set by the adjusting unit, wherein the first preset temperature difference value is smaller than the second preset temperature difference value;
the third adjustment mode is that the adjustment unit adjusts the first parameter to a corresponding value by using a third adjustment coefficient; and the third adjusting mode meets the condition that the difference value between the adjusted quenching temperature and the initial temperature is greater than the second preset temperature difference value.
Specifically, the adjusting unit is provided with a first preset temperature difference delta t1, a second preset temperature difference delta t2, the difference between the adjusted quenching temperature and the initial temperature is recorded as delta t0, a first adjusting coefficient beta 1, a second adjusting coefficient beta 2 and a third adjusting coefficient beta 2, wherein 1 < beta 2 < beta 3 < 1.5, and delta t1 < delta t2,
if Δ t0 ≦ Δ t1, the adjusting unit adjusts the first parameter to a corresponding value using β 1;
if Δ t1 < Δ t0 ≦ Δ t2, the adjusting unit adjusts the first parameter to a corresponding value using β 2;
if Δ t0 > [ Δ t2 ], the adjusting unit adjusts the first parameter to a corresponding value using β 3;
the adjusting unit uses β j to record the adjusted first parameter as a ', and sets a' = a × β j, where j =1,2,3.
The invention is provided with a plurality of preset temperature difference values, the difference value between the quenching temperature and the initial temperature of the quenching device after adjustment is compared with each preset temperature difference value, the temperature variation of the quenching device is adjusted, and the hardness of the heat treatment material meets the requirement by adjusting the temperature variation, thereby effectively ensuring that the quality of the product meets the requirement, not influencing the production process and further improving the heat treatment efficiency of the system aiming at the metal material.
Specifically, the adjusting unit determines the adjusting mode of the water inlet flow of the cooling device 3 according to the cooling rate of the heat treatment material under a third preset condition, wherein,
the first flow rate adjusting mode is that the adjusting unit adjusts the inlet water flow rate of the cooling device 3 to a corresponding value by using a first flow rate adjusting coefficient; the first flow regulating mode meets the condition that the cooling rate of the heat treatment material is less than or equal to a first preset cooling rate set by the regulating unit;
the second flow rate adjusting mode is that the adjusting unit adjusts the inlet water flow rate of the cooling device 3 to a corresponding value by using a second flow rate adjusting coefficient; the second flow regulating mode meets the condition that the cooling rate of the heat treatment material is greater than the first preset cooling rate and less than or equal to a second preset cooling rate set by the regulating unit, wherein the first preset cooling rate is less than the second preset cooling rate;
the third flow adjusting mode is that the adjusting unit adjusts the inflow of the cooling device 3 to a corresponding value by using a third flow adjusting coefficient; the third flow rate adjusting mode meets the condition that the cooling rate of the heat treatment material is greater than the second preset cooling rate;
the third preset condition is that the judging unit judges the reason why the performance of the heat treatment material does not meet the standard as the cooling rate reason.
Specifically, the adjusting unit is provided with a first preset cooling rate V1, a second preset cooling rate V1, the cooling rate of the heat treatment material is recorded as V0, a first flow adjusting coefficient gamma 1, a second flow adjusting coefficient gamma 2 and a third flow adjusting coefficient gamma 3, wherein gamma 1 is more than gamma 1 and less than gamma 2 and less than gamma 3 and less than 1.3, and V1 is more than V2,
if V0 is less than or equal to V1, the adjusting unit adjusts the water inlet flow of the cooling device to a corresponding value by using gamma 1;
if V1 is larger than V0 and is smaller than or equal to V2, the adjusting unit adjusts the inflow of the cooling device to a corresponding value by using gamma 2;
if V0 is larger than V2, the adjusting unit adjusts the water inlet flow of the cooling device to a corresponding value by using gamma 3;
the adjusting unit uses gamma k to record the adjusted water inlet flow rate of the cooling device as Q ', and Q' = Q multiplied by gamma k is set, wherein Q is the initial water inlet flow rate of the cooling device, and k =1,2,3;
the system is provided with a plurality of preset cooling rates, the cooling rate of the heat treatment material is compared with each preset cooling rate, the water inlet flow of the cooling device is adjusted according to the comparison result, so that the heat treatment material can be cooled in time, the hardness of the heat treatment material meets the requirement, the temperature of cooling water is ensured from the water inlet flow of the cooling device, the heat treatment material can be rapidly cooled, the hardness of the heat treatment material meets the production requirement, the production requirement is effectively ensured, and the heat treatment efficiency of the system for the metal material is further improved.
Specifically, the determination means determines a secondary determination manner of a cause of the performance of the heat-treated material not meeting the standard, based on the tempering time of the tempering device 4, under a fourth preset condition,
the first secondary judgment mode is that the judgment unit judges the reason that the performance of the heat treatment material does not meet the standard as a system reason; the first secondary judgment mode meets the condition that the tempering time of the tempering device 4 is less than or equal to the preset standard tempering time set by the judgment unit;
the second secondary judgment mode is that the judgment unit judges the reason that the performance of the heat treatment material does not meet the standard as the reason of tempering time; the second secondary judgment mode meets the condition that the tempering time of the tempering device 4 is longer than the preset standard tempering time;
the fourth preset condition is that the determination unit preliminarily determines that determination cannot be made for the reason why the performance of the heat-treated material does not meet the standard.
According to the invention, the secondary judgment is carried out on the reason that the performance of the heat treatment material does not meet the standard according to the tempering time of the tempering device, so that the performance of the product is effectively and accurately judged, and the increase of defective rate caused by inaccurate judgment is avoided.
Specifically, the adjusting unit determines an adjusting manner of the tempering temperature of the next heat-treated material according to a difference between the second preset standard hardness and the hardness of the heat-treated material in the second determination manner, wherein,
the first tempering temperature adjusting mode is that the adjusting unit adjusts the tempering temperature of the next material to be processed to a corresponding value by using the first tempering temperature standard adjusting coefficient; the first tempering temperature adjusting mode meets the condition that the difference between the second preset standard hardness and the hardness of the heat treatment material is smaller than or equal to the first preset standard hardness overhigh difference set by the adjusting unit;
the second tempering temperature adjusting mode is that the adjusting unit adjusts the tempering temperature to a corresponding value when the adjusting unit tempers the next material to be processed by using a second tempering temperature standard adjusting coefficient; the second tempering temperature adjusting mode meets the condition that the difference value between the second preset standard hardness and the hardness of the heat treatment material is larger than the first preset standard hardness overhigh difference value and is smaller than or equal to the second preset standard hardness overhigh difference value set by the adjusting unit, wherein the first preset standard hardness overhigh difference value is smaller than the second preset standard hardness overhigh difference value;
the third tempering temperature adjusting mode is that the adjusting unit adjusts the tempering temperature of the next material to be processed to a corresponding value by using a third tempering temperature standard adjusting coefficient; and the third tempering temperature adjusting mode meets the condition that the difference value between the second preset standard hardness and the hardness of the heat treatment material is larger than the second preset standard hardness overhigh difference value.
Specifically, the adjusting unit is provided with a first preset standard hardness overhigh difference delta P1, a first preset standard hardness overhigh difference delta P2, the difference between the second preset standard hardness and the hardness of the heat treatment material is marked as delta P0, a first tempering temperature standard adjusting coefficient delta 1, a first tempering temperature standard adjusting coefficient delta 2 and a first tempering temperature standard adjusting coefficient delta 3, wherein 1 & ltdelta 2 & ltdelta 3 & lt 1.7, delta P1 & ltdelta P2,
if delta P0 is less than or equal to delta P1, the adjusting unit adjusts the tempering temperature of the next material to be treated to a corresponding value by using delta 1;
if delta P1 is less than delta P0 and less than or equal to delta P2, the adjusting unit adjusts the tempering temperature of the next material to be treated to a corresponding value by using delta 2 when the material to be treated is tempered;
if Δ P0 > [ Δ P2 ], the adjusting unit adjusts the tempering temperature at the time of tempering the next material to be processed to a corresponding value using δ 3;
the adjusting means sets the tempering temperature after adjustment as W 'using δ e, where W is the initial tempering temperature, and e =1,2,3, W' = W × δ e.
According to the invention, when the performance of the heat treatment material is preliminarily judged to be not in accordance with the preset standard, the tempering temperature of the next heat treatment material is adjusted according to the difference value between the hardness of the second preset standard and the hardness of the heat treatment material, so that the condition that the performance of the heat treatment material is not in accordance with the standard due to unreasonable tempering temperature setting is avoided, the production process is prevented from being influenced, and the heat treatment efficiency of the system for the metal material is effectively improved.
Specifically, the heating temperature T of the quenching apparatus 2 and the cooling rate V of the cooling apparatus 3 satisfy
。
Specifically, the determination unit controls the first valve 311 to adjust the opening degree of the first valve 311 to a corresponding value to adjust the inflow rate of the water to the cooling device 3 to a corresponding value.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An automated control system for heat treatment processing, comprising:
the feeding device is used for conveying materials to be treated;
the quenching device is connected with the feeding device and is used for quenching the material to be treated; the quenching device is also provided with a temperature controller for adjusting the quenching temperature and an infrared temperature measuring sensor for measuring the ambient temperature in the quenching device;
the cooling device is connected with the quenching device and used for cooling the quenched heat-treated material output by the quenching device; the cooling device is provided with a water inlet mechanism for feeding water, a water outlet mechanism for discharging water and a temperature sensor for measuring the cooling temperature of the heat treatment material; the water inlet mechanism is provided with a first valve for adjusting the water inlet flow; the water outlet mechanism is provided with a second valve for adjusting the water outlet flow;
the tempering device is connected with the cooling device and is used for tempering the cooled heat treatment material;
the detection device is connected with the tempering device and is used for detecting the hardness of the tempered heat treatment material output by the tempering device;
the central control module comprises an identification unit, a judgment unit and an adjustment unit which are connected with each other, wherein the identification unit is respectively connected with the infrared temperature measurement sensor, the temperature sensor and the detection device and is used for acquiring parameters of the material to be processed in each device and transmitting the acquired parameters to the judgment unit, and the parameters comprise the ambient temperature of the material to be processed, which is measured by the infrared temperature measurement sensor, the cooling temperature measured by the temperature sensor and the hardness of the heat treatment material, which is measured by the detection device;
the judging unit determines the reason why the performance of the heat-treated material does not meet the standard according to the parameter output by the identifying unit, and determines the reason why the performance of the heat-treated material does not meet the standard according to the difference between the hardness of the heat-treated material and the first preset standard hardness when the performance of the heat-treated material is judged not to meet the standard, and secondarily judges the reason why the performance of the heat-treated material does not meet the standard according to the tempering time of the tempering device;
the adjusting unit is connected with the temperature controller and is used for adjusting the quenching temperature of the next material to be processed to a corresponding value according to the carbon content of the heat-treated material; adjusting the water inlet flow of the cooling device to a corresponding value according to the cooling rate of the heat treatment material; and adjusting the tempering temperature of the next heat-treated material to a corresponding value according to the difference between the second preset standard hardness and the hardness of the heat-treated material.
2. The automated thermal processing automation control system of claim 1, wherein for a single thermal processing material in a single batch, said determination unit determines a determination manner for the performance of the thermal processing material according to the actual hardness of the thermal processing material delivered by said identification unit, wherein,
the first judging mode is that the judging unit judges that the performance of the heat treatment material meets the preset standard, outputs the heat treatment material to the system so as to carry out the next process of the heat treatment, and controls the detecting device to detect the next heat treatment material output by the tempering device; the first judging mode satisfies that the actual hardness of the heat treatment material is greater than a second preset standard hardness set in the judging unit;
the second judgment mode is that the judgment unit preliminarily judges that the performance of the heat treatment material does not meet the preset standard, and the judgment unit adjusts the operation parameter of the tempering device aiming at the next heat treatment material to a corresponding value according to the difference value between the second preset standard hardness and the hardness of the heat treatment material; the second determination mode satisfies that the actual hardness of the heat treatment material is greater than a first preset standard hardness and less than or equal to a second preset standard hardness, wherein the first preset standard hardness is less than the second preset standard hardness;
the third judgment mode is that the judgment unit judges that the performance of the heat treatment material does not meet the preset standard, and determines the reason why the performance of the heat treatment material does not meet the preset standard according to the difference value of the first preset standard hardness and the hardness of the heat treatment material; the third determination mode satisfies that the actual hardness of the heat-treated material is equal to or less than the first predetermined standard hardness.
3. The automated thermal processing machine control system according to claim 2, wherein the determination unit determines a cause determination manner for the non-conformity of the properties of the heat-treated material based on a difference between the first predetermined standard hardness and the hardness of the heat-treated material under a first predetermined condition, wherein,
the first reason judging mode is that the judging unit judges the reason that the performance of the heat treatment material does not meet the standard as that the carbon content in the heat treatment material is not in a preset interval, and the judging unit adjusts the quenching temperature of the quenching device aiming at the material to be treated to a corresponding value when the quenching device is used for quenching the next material to be treated; the first reason judging mode meets the condition that the difference between the first preset standard hardness and the hardness of the heat treatment material is less than or equal to the over-low difference of the first preset standard hardness set by the judging unit;
the second reason determining mode is that the determining unit determines the reason that the performance of the heat treatment material does not meet the standard as the heating temperature reason, and the determining unit respectively adjusts the heating temperature variation of the quenching device in different cycles for the material to be treated to corresponding values when the quenching device quenches the next material to be treated; the second reason judging mode meets the condition that the difference value between the first preset standard hardness and the hardness of the heat treatment material is larger than the first preset standard hardness too-low difference value and is smaller than or equal to a second preset standard hardness too-low difference value set by the judging unit, wherein the first preset standard hardness too-low difference value is smaller than the second preset standard hardness too-low difference value;
the third reason judging mode is that the judging unit judges the reason that the performance of the heat treatment material does not meet the standard as the reason of the cooling rate, and the judging unit adjusts the water inlet flow of the cooling device aiming at the heat treatment material to a corresponding value when the cooling device is used for cooling the next heat treatment material; the third cause judgment mode meets the condition that the difference value between the first preset standard hardness and the hardness of the heat treatment material is larger than the second preset standard hardness too-low difference value and is smaller than or equal to a third preset standard hardness too-low difference value;
a fourth cause judgment mode is that the judgment unit preliminarily determines that the judgment cannot be carried out on the cause of the performance of the heat-treated material not meeting the standard, and the judgment unit carries out secondary judgment on the performance of the heat-treated material according to the tempering time of the tempering device; the fourth reason judgment mode meets the condition that the difference between the first preset standard hardness and the hardness of the heat treatment material is larger than the third preset standard hardness too-low difference;
the first preset condition is that the judging unit judges that the performance of the heat treatment material does not meet the preset standard.
4. The automated thermal processing machine control system according to claim 3, wherein the adjusting unit determines the adjustment manner of the quenching temperature at the time of quenching for the next material to be processed according to the actual carbon content of the material to be heat-processed under a second preset condition, wherein,
the first quenching temperature adjusting mode is that the adjusting unit adjusts the quenching temperature of the next material to be processed to a corresponding value by using a first temperature standard adjusting coefficient; the first quenching temperature adjusting mode meets the condition that the actual carbon content of the heat treatment material is less than or equal to the preset standard carbon content interval value set by the adjusting unit;
the second quenching temperature adjusting mode is that the adjusting unit adjusts the quenching temperature of the next material to be processed to a corresponding value by using a second temperature standard adjusting coefficient; the second quenching temperature adjusting mode meets the condition that the actual carbon content of the heat treatment material is larger than the preset standard carbon content interval value;
the second preset condition is that the judging unit judges that the reason why the performance of the heat treatment material does not meet the standard is that the carbon content in the heat treatment material is not in a preset interval.
5. The automated thermal processing control system according to claim 4, wherein the temperature variation f (Δ T) per unit time of the quenching device and the quenching time T satisfy the relationship:
，
wherein a is a first parameter, and b is a second parameter;
the adjusting unit determines an adjusting mode of the first parameter according to a difference between the adjusted quenching temperature and the initial temperature in a second cause determination mode, wherein,
the first adjusting mode is that the adjusting unit adjusts the first parameter to a corresponding value by using a first adjusting coefficient; the first adjusting mode meets the condition that the difference value between the adjusted quenching temperature and the initial temperature is less than or equal to a first preset temperature difference value set by the adjusting unit;
the second adjustment mode is that the adjustment unit adjusts the first parameter to a corresponding value by using a second adjustment coefficient; the second adjusting mode meets the condition that the difference value between the adjusted quenching temperature and the initial temperature is larger than the first preset temperature difference value and smaller than or equal to a second preset temperature difference value set by the adjusting unit, wherein the first preset temperature difference value is smaller than the second preset temperature difference value;
the third adjustment mode is that the adjustment unit adjusts the first parameter to a corresponding value by using a third adjustment coefficient; the third adjusting mode meets the condition that the difference value between the adjusted quenching temperature and the initial temperature is larger than the second preset temperature difference value.
6. The automated thermal processing control system according to claim 5, wherein said adjusting unit determines the adjustment manner of the water inflow rate of said cooling means according to the cooling rate of said thermal processing material under a third preset condition,
the first flow regulation mode is that the regulation unit regulates the inflow of the cooling device to a corresponding value by using a first flow regulation coefficient; the first flow regulating mode meets the condition that the cooling rate of the heat treatment material is less than or equal to a first preset cooling rate set by the regulating unit;
the second flow regulation mode is that the regulation unit regulates the inflow of the cooling device to a corresponding value by using a second flow regulation coefficient; the second flow regulating mode meets the condition that the cooling rate of the heat treatment material is greater than the first preset cooling rate and less than or equal to a second preset cooling rate set by the regulating unit, wherein the first preset cooling rate is less than the second preset cooling rate;
the third flow adjusting mode is that the adjusting unit adjusts the inflow of the cooling device to a corresponding value by using a third flow adjusting coefficient; the third flow rate adjusting mode meets the condition that the cooling rate of the heat treatment material is greater than the second preset cooling rate;
the third preset condition is that the judging unit judges the reason why the performance of the heat-treated material does not meet the standard as the cooling rate reason.
7. The automated thermal processing machine control system according to claim 6, wherein the judging unit determines a secondary judgment manner of a cause of the non-conformity of the properties of the heat-treated material according to the tempering time of the tempering device under a fourth preset condition,
the first secondary judgment mode is that the judgment unit judges the reason that the performance of the heat treatment material does not meet the standard as a system reason; the first secondary judging mode meets the condition that the tempering time of the tempering device is less than or equal to the preset standard tempering time set by the judging unit;
the second secondary judgment mode is that the judgment unit judges the reason that the performance of the heat treatment material does not meet the standard as the reason of tempering time; the second secondary judgment mode meets the condition that the tempering time of the tempering device is longer than the preset standard tempering time;
the fourth preset condition is that the determination unit preliminarily determines that determination cannot be made for the reason why the performance of the heat-treated material does not meet the standard.
8. The automated thermal processing automation control system of claim 7, wherein the adjusting unit determines an adjusting manner of the tempering temperature of the next thermal processing material according to a difference between the second predetermined standard hardness and the hardness of the thermal processing material in the second determination manner, wherein,
the first tempering temperature adjusting mode is that the adjusting unit adjusts the tempering temperature of the next material to be processed to a corresponding value by using the first tempering temperature standard adjusting coefficient; the first tempering temperature adjusting mode meets the condition that the difference between the second preset standard hardness and the hardness of the heat treatment material is smaller than or equal to the first preset standard hardness overhigh difference set by the adjusting unit;
the second tempering temperature adjusting mode is that the adjusting unit adjusts the tempering temperature of the next material to be processed to a corresponding value by using a second tempering temperature standard adjusting coefficient; the second tempering temperature adjusting mode meets the condition that the difference value between the second preset standard hardness and the hardness of the heat treatment material is larger than the first preset standard hardness overhigh difference value and is smaller than or equal to the second preset standard hardness overhigh difference value set by the adjusting unit, wherein the first preset standard hardness overhigh difference value is smaller than the second preset standard hardness overhigh difference value;
the third tempering temperature adjusting mode is that the adjusting unit adjusts the tempering temperature of the next material to be processed to a corresponding value by using a third tempering temperature standard adjusting coefficient; and the third tempering temperature adjusting mode meets the condition that the difference value between the second preset standard hardness and the hardness of the heat treatment material is larger than the second preset standard hardness overhigh difference value.
9. The automated thermal processing automation control system of claim 8, wherein the heating temperature T of the quenching device and the cooling rate V of the cooling device satisfy
。
10. The automated thermal processing automation control system according to claim 9, wherein the determination unit controls the first valve to adjust an opening degree of the first valve to a corresponding value to adjust a water inflow rate of the cooling device to a corresponding value.
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