CN112247106A - Quick cooling temperature control system for die casting die - Google Patents
Quick cooling temperature control system for die casting die Download PDFInfo
- Publication number
- CN112247106A CN112247106A CN202011055002.2A CN202011055002A CN112247106A CN 112247106 A CN112247106 A CN 112247106A CN 202011055002 A CN202011055002 A CN 202011055002A CN 112247106 A CN112247106 A CN 112247106A
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- module
- die
- control system
- fuzzy
- controller
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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
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
-
- 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
Abstract
The invention discloses a rapid cooling temperature control system for a die-casting die, which comprises a cooling loop control valve, a temperature sensing module, a fuzzy controller, a touch control screen and a central control machine, and is characterized in that: the cooling loop control valve adopts a stainless steel electromagnetic valve, and is arranged between a cooling water pool on the site of the die-casting die and the inlet and outlet ends of a water cooling channel of the die, the temperature sensing module comprises a plurality of front-end thermistor probes, the fuzzy controller is integrated in the central control machine, and the fuzzy controller comprises an A/D controller, a fuzzification module, a fuzzy reasoning module, a defuzzification module, a knowledge database and a digital PID operation module. The rapid cooling temperature control system adopts the central control machine designed by FPGA and the integrated fuzzy PID controller to realize the precise control of the mold temperature in the cooling process, has higher control precision, high response speed and anti-interference capability, ensures the stability of the die casting process and ensures the quality of the casting.
Description
Technical Field
The invention relates to an intelligent manufacturing and rapid temperature control technology, in particular to a rapid cooling temperature control system for a die-casting die.
Background
Die casting die needs a large amount of supplementary radiating cooling's system devices in the use, and to large-scale die casting die high pressure crystallization solidification formation foundry goods process now, need cool off the mould after the die-casting is accomplished, however traditional die casting die adopts natural cooling mostly, and refrigerated efficiency is lower, therefore has reduced foundry goods production efficiency, can not guarantee the quality of foundry goods moreover, and then causes huge economic loss for mould use enterprise.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rapid cooling temperature control system for a die-casting die.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a quick cooling temperature control system to die casting die, includes cooling circuit control valve, temperature sensing module, fuzzy controller, touch control screen, central control machine, its characterized in that: the cooling loop control valve adopts a stainless steel electromagnetic valve, the stainless steel electromagnetic valve is provided with a plurality of stainless steel electromagnetic valves which are arranged between a cooling water pool of a die casting die site and the inlet and outlet ends of a water cooling channel of a die, the temperature sensing module comprises a plurality of front-end thermistor probes which are arranged at temperature measuring points on the side surface of the die, the temperature measuring points are distributed at the temperature concentration positions of a pouring system and a drainage and overflow system, the fuzzy controller is integrated in the central controller, the fuzzy controller comprises an A/D controller, a fuzzification module, a fuzzy inference module, a defuzzification module, a knowledge database and a digital PID operation module, all parts in the fuzzy controller are connected with the central controller in series communication, and the central controller has the authority to modify all parts in the fuzzy controller, the touch control screen is arranged at one end of the central control machine and is in communication connection with the central control machine through a screen line and an output interface, the central control machine is designed and realized on the basis of an FPGA (field programmable gate array), and an Intel Agilex series FPGA chip is adopted.
Compared with the prior art, the invention has the advantages that: the rapid cooling temperature control system adopts the central control machine designed by FPGA and the integrated fuzzy PID controller to realize the precise control of the mold temperature in the cooling process, has higher control precision, high response speed and anti-interference capability, ensures the stability of the die casting process and ensures the quality of the casting.
As an improvement, the stainless steel electromagnetic valve is connected with a pipeline through a thread structure, and a cooling channel with controllable flow is formed.
As an improvement, the surface of the thermistor probe is provided with an epoxy resin coating and a stainless steel sheath.
As an improvement, the thermistor probe is connected with the fuzzy controller through an M12 circular sensing connector in an information transmission way.
As an improvement, the A/D controller, the fuzzification module, the fuzzy inference module, the defuzzification module and the digital PID operation module in the fuzzy controller are connected in series according to linearity.
As an improvement, a graphical operation interface and parameter control modification visualization of a temperature control system are arranged in the touch control screen.
As an improvement, the input variable of the fuzzy controller is temperature information detected by the thermistor probe, and the input variable corresponds to the opening time of the stainless steel electromagnetic valve.
Drawings
Fig. 1 is a system block diagram of a rapid cooling temperature control system for die casting molds.
FIG. 2 is a flow chart of the fuzzy controller and the central control machine in use.
As shown in the figure: 1. the system comprises a cooling loop control valve 2, a temperature sensing module 3, a fuzzy controller 4, a touch control screen 5 and a central control machine.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The invention is implemented in detail, a rapid cooling temperature control system for die casting molds, which comprises a cooling loop control valve 1, a temperature sensing module 2, a fuzzy controller 3, a touch control screen 4 and a central control machine 5, and is characterized in that: the cooling loop control valve 1 adopts a stainless steel electromagnetic valve, the stainless steel electromagnetic valve is provided with a plurality of stainless steel electromagnetic valves which are arranged between a cooling water pool of a die casting die site and the inlet and outlet ends of a water cooling channel of a die, the temperature sensing module 2 comprises a plurality of front-end thermistor probes which are arranged at temperature measuring points on the side surface of the die and are distributed at the temperature concentration positions of a pouring system and a drainage and overflow system, the fuzzy controller 3 is integrated in the central control machine 5, the fuzzy controller 3 comprises an A/D controller, a fuzzification module, a fuzzy inference module, a defuzzification module, a knowledge database and a digital PID operation module, all parts in the fuzzy controller 3 are connected in series communication with the central control machine 5, and the central control machine 5 has the authority to modify all parts in the fuzzy controller 3, the intelligent control system comprises a central control machine 5, a touch control screen 4, a fuzzy inference module, a defuzzification module, a central control machine 5 and an FPGA (field programmable gate array) chip, wherein the fuzzification module, the fuzzy inference module and the defuzzification module process and form data storage to form a knowledge database, the touch control screen 4 is arranged at one end of the central control machine 5 and is in communication connection with the central control machine 5 through a screen line and an output interface, the central control machine 5 is designed and realized on the basis of the FPGA, and the Int.
The stainless steel electromagnetic valve is connected with a pipeline through a thread structure, and a cooling channel with controllable flow is formed.
The surface of the thermistor probe is provided with an epoxy resin coating and a stainless steel sheath.
And the thermistor probe is connected with the fuzzy controller 3 through an M12 circular sensing connector in an information transmission way.
The A/D controller, the fuzzification module, the fuzzy inference module, the defuzzification module and the digital PID operation module in the fuzzy controller 3 are connected in series according to linearity.
And a graphical operation interface and parameter control modification visualization of a temperature control system are arranged in the touch control screen 4.
The input variable of the fuzzy controller 3 is temperature information detected by the thermistor probe, and correspondingly, the input variable is the opening time of the stainless steel electromagnetic valve.
The working principle of the invention is as follows: the rapid cooling temperature control system adopts a central control machine designed by FPGA and an integrated fuzzy PID controller to realize the precise control of the temperature of the die in the cooling process, the temperature information detected by a thermistor probe is input into the fuzzy controller to finally judge the flow released by a control valve of an output cooling loop, fuzzy phenomena are identified and judged by adopting fuzzy mathematics to give precise control quantity, and the problems that the traditional die-casting die mostly adopts uncontrollable quantity or natural cooling, the cooling efficiency is low, the production efficiency of a casting is reduced, and the quality of the casting cannot be ensured are solved.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature, and in the description of the invention, "plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be 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.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
In the description herein, reference to the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (7)
1. The utility model provides a quick cooling temperature control system to die casting die, includes cooling circuit control valve (1), temperature sensing module (2), fuzzy controller (3), touch control screen (4), central control machine (5), its characterized in that: the cooling loop control valve (1) adopts a stainless steel electromagnetic valve, the stainless steel electromagnetic valve is provided with a plurality of front-end thermistor probes and is arranged between a cooling water pool of a die-casting die site and the inlet and outlet ends of a water cooling channel of a die, the temperature sensing module (2) comprises a plurality of front-end thermistor probes, the temperature sensing points are arranged at the temperature measuring points on the side surface of the die and are distributed at the temperature concentration positions of a pouring system and an overflow system, the fuzzy controller (3) is integrated in the central control machine (5), the fuzzy controller (3) comprises an A/D controller, a fuzzification module, a fuzzy inference module, a defuzzification module, a knowledge database and a digital PID operation module, all parts in the fuzzy controller (3) are connected in series communication among the central control machines (5), and the central control machine (5) has the authority to modify all the parts in the fuzzy controller (3), the intelligent control system is characterized in that a knowledge database is formed by storing data processed and formed by the fuzzification module, the fuzzy inference module and the defuzzification module, the touch control screen (4) is arranged at one end of the central control machine (5) and is in communication connection with the central control machine (5) through a screen line and an output interface, the central control machine (5) is designed and realized on the basis of an FPGA (field programmable gate array), and an Intel Agilex series FPGA chip is adopted.
2. The rapid cooling temperature control system for the die casting mold as claimed in claim 1, wherein: the stainless steel electromagnetic valve is connected with a pipeline through a thread structure, and a cooling channel with controllable flow is formed.
3. The rapid cooling temperature control system for the die casting mold as claimed in claim 1, wherein: the surface of the thermistor probe is provided with an epoxy resin coating and a stainless steel sheath.
4. The rapid cooling temperature control system for the die casting mold as claimed in claim 1, wherein: and the thermistor probe is connected with the fuzzy controller (3) through an M12 round sensing connector in an information transmission way.
5. The rapid cooling temperature control system for the die casting mold as claimed in claim 1, wherein: the A/D controller, the fuzzification module, the fuzzy inference module, the defuzzification module and the digital PID operation module in the fuzzy controller (3) are connected in series according to linearity.
6. The rapid cooling temperature control system for the die casting mold as claimed in claim 1, wherein: and a graphical operation interface and parameter control modification visualization of a temperature control system are arranged in the touch control screen (4).
7. The rapid cooling temperature control system for the die casting mold as claimed in claim 1, wherein: the input variable of the fuzzy controller (3) is temperature information detected by the thermistor probe, and the input variable corresponds to the opening time of the stainless steel electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011055002.2A CN112247106A (en) | 2020-09-30 | 2020-09-30 | Quick cooling temperature control system for die casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011055002.2A CN112247106A (en) | 2020-09-30 | 2020-09-30 | Quick cooling temperature control system for die casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112247106A true CN112247106A (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011055002.2A Withdrawn CN112247106A (en) | 2020-09-30 | 2020-09-30 | Quick cooling temperature control system for die casting die |
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| CN (1) | CN112247106A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283649A (en) * | 2022-10-10 | 2022-11-04 | 中信戴卡股份有限公司 | Closed-loop control method and system for mold temperature in wheel casting process |
-
2020
- 2020-09-30 CN CN202011055002.2A patent/CN112247106A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283649A (en) * | 2022-10-10 | 2022-11-04 | 中信戴卡股份有限公司 | Closed-loop control method and system for mold temperature in wheel casting process |
| CN115283649B (en) * | 2022-10-10 | 2022-12-13 | 中信戴卡股份有限公司 | Mold temperature closed-loop control method and system in wheel casting process |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210122 |
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| WW01 | Invention patent application withdrawn after publication |