CN115213377A - System and method for diagnosing cooling damping of pump station of die casting machine - Google Patents
System and method for diagnosing cooling damping of pump station of die casting machine Download PDFInfo
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- CN115213377A CN115213377A CN202210643969.5A CN202210643969A CN115213377A CN 115213377 A CN115213377 A CN 115213377A CN 202210643969 A CN202210643969 A CN 202210643969A CN 115213377 A CN115213377 A CN 115213377A
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- 238000001816 cooling Methods 0.000 title claims abstract description 147
- 238000004512 die casting Methods 0.000 title claims abstract description 88
- 238000013016 damping Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 238000003745 diagnosis Methods 0.000 abstract description 23
- 238000013459 approach Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/32—Controlling equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—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
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Abstract
The invention belongs to the technical field of pump station cooling damping diagnosis, and relates to a system and a method for diagnosing cooling damping of a die casting machine pump station. The system comprises a die casting machine control system, a servo driver, an oil pump, an oil way and a cooling damper; the cooling damper, the servo driver and the oil pump are all arranged on the oil way, the die casting machine control system is connected with the servo driver, the servo driver is connected with the oil pump, the die casting machine control system is used for sending a corresponding theoretical rotating speed control signal to the servo driver, a pressure sensor used for detecting the real-time pressure of the oil way is arranged in the servo driver, and the rotating speed of the servo driver is adjusted according to the real-time pressure of the oil way and the theoretical pressure of the oil way by the servo driver; the die-casting machine control system is also used for judging whether the cooling damping in the oil way is correctly installed according to the theoretical rotating speed and the real-time rotating speed of the servo driver. According to the invention, whether the cooling damping in the oil way is correctly installed can be judged through the theoretical rotating speed of the servo driver and the real-time rotating speed of the servo driver, no device is required to be additionally installed, and the method is simple and low in cost.
Description
Technical Field
The invention belongs to the technical field of pump station cooling damping diagnosis, and particularly relates to a system and a method for diagnosing cooling damping of a pump station of a die-casting machine.
Background
The cooling damping is arranged in an oil circuit of a pump station of the die casting machine, whether the cooling damping is accurately installed in the oil circuit is judged at present, a flowmeter is required to be connected into the pump station, and whether the cooling damping is accurately installed is judged through real-time feedback of the flow in the oil circuit by the flowmeter. The pressure flow output of the servo driver is controlled by the die-casting machine, and the real-time flow feedback of the flowmeter is compared with the theoretical pressure flow output of the servo driver, so that whether the cooling damping in the oil way is accurately installed or not is judged.
However, the flowmeter needs to be installed on the circulating side of an oil pipe of a pump station, the installation position of the damping is hidden and is not easy to be perceived, some damping is arranged on the inner side of the oil path block, some damping is arranged on the outer side of the oil path block, and the like. Therefore, if the damping is in trouble in a customer plant, it is inconvenient to use the flow meter to check whether the damping is in failure, and the diagnosis cost of cooling the damping is increased.
Therefore, a new diagnosis method for the cooling damping of the pump station of the die-casting machine is needed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a system and a method for diagnosing cooling damping of a pump station of a die casting machine.
The invention adopts the following technical scheme:
a cooling damping diagnostic system for a pump station of a die casting machine comprises a control system of the die casting machine, a servo driver, an oil pump, an oil circuit and cooling damping;
the cooling damper, the servo driver and the oil pump are all arranged on the oil way, the die casting machine control system is connected with the servo driver, the servo driver is connected with the oil pump, the die casting machine control system is used for sending a corresponding theoretical rotating speed control signal to the servo driver, a pressure sensor used for detecting the real-time pressure of the oil way is arranged in the servo driver, and the rotating speed of the servo driver is adjusted according to the real-time pressure of the oil way and the theoretical pressure of the oil way by the servo driver;
the die-casting machine control system is also used for judging whether the cooling damping in the oil way is correctly installed according to the theoretical rotating speed and the real-time rotating speed of the servo driver.
Preferably, the oil path comprises a first oil path, a switching oil path and a main oil path, the servo driver and the oil pump are arranged on the main oil path,
the first oil way and the switching oil way are arranged on the main oil way in parallel, and the switching oil way comprises a second oil way, a third oil way and a fourth oil way; the input end of the second oil way is connected with the main oil way, the output end of the second oil way is respectively connected with the input end of the third oil way and the input end of the fourth oil way through a valve device, and the output end of the third oil way and the output end of the fourth oil way are connected with the main oil way;
a first cooling damper, a third cooling damper and a fourth cooling damper are respectively arranged on the first oil way, the third oil way and the fourth oil way;
the valve device comprises a first electromagnetic valve and a second electromagnetic valve which are connected with the die-casting machine control system, and the die-casting machine control system is further used for controlling the first electromagnetic valve and the second electromagnetic valve to be opened and closed so as to respectively realize the connection or disconnection of the third oil path and the fourth oil path with the second oil path.
Preferably, the second oil path is provided with a second cooling damper.
Preferably, a fifth cooling damper is arranged on the main oil way connected with the output end of the first oil way, the output end of the third oil way and the output end of the fourth oil way.
According to the optimal scheme, the die-casting machine control system judges whether cooling damping in the oil way is installed correctly according to the theoretical rotating speed, the real-time rotating speed of the servo driver, the theoretical pressure of the oil way and the real-time pressure of the oil way.
The cooling damping diagnosis method for the pump station of the die-casting machine is also provided, and the cooling damping diagnosis system for the pump station of the die-casting machine based on the method comprises the following steps:
s1, a die casting machine control system sends a corresponding theoretical rotating speed control signal to a servo driver;
s2, the servo driver adjusts the rotating speed of the servo driver according to the theoretical rotating speed control signal so as to drive the oil pump to output oil products to an oil way;
s3, detecting real-time pressure of an oil way by the servo driver through a built-in pressure sensor of the servo driver;
s4, the servo driver adjusts the rotating speed of the oil circuit according to the real-time pressure of the oil circuit and the theoretical pressure of the oil circuit;
and S5, judging whether the cooling damping in the oil way is correctly installed by the die casting machine control system according to the theoretical rotating speed and the real-time rotating speed of the servo driver.
Preferably, step S1 further comprises the following steps: and the die-casting machine control system controls the opening and closing of the first electromagnetic valve and the second electromagnetic valve according to the cooling damping detection requirement so as to respectively realize the communication or disconnection of the third oil path and the fourth oil path with the second oil path, thereby integrally forming a high-pressure oil path, a medium-pressure oil path or a low-pressure oil path.
As a preferred scheme, when cooling damping in a high-pressure oil way needs to be detected, the die-casting machine control system controls the first electromagnetic valve and the second electromagnetic valve to be closed, when cooling damping in a medium-pressure oil way needs to be detected, the die-casting machine control system controls the first electromagnetic valve to be opened and the second electromagnetic valve to be closed, and when cooling damping in a low-pressure oil way needs to be detected, the die-casting machine control system controls the first electromagnetic valve to be closed and the second electromagnetic valve to be opened.
Preferably, in step S1, the die casting machine control system sends a corresponding theoretical rotational speed control signal to the servo driver according to the cooling damping detection requirement.
Preferably, in step S5, the die-casting machine control system determines whether the cooling damper in the oil path is correctly installed according to the theoretical rotation speed, the real-time rotation speed of the servo driver, the theoretical pressure of the oil path, and the real-time pressure of the oil path.
The invention has the beneficial effects that:
whether cooling damping in the oil way is correctly installed can be judged through the theoretical rotating speed of the servo driver, the real-time rotating speed of the servo driver, the theoretical pressure of the oil way and the real-time pressure of the oil way, any device does not need to be additionally installed in the oil way, the diagnosis method is simple, and the diagnosis cost is low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a pump station cooling damping diagnostic system of a die casting machine according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a flow chart of a method for diagnosing cooling damping of a pump station of a die casting machine according to the present invention;
the codes in the figure are respectively: 1-die casting machine control system, 2-servo driver, 3-oil pump, 4-valve device, 41-first solenoid valve, 42-second solenoid valve, 5-first cooling damper, 51-first oil path, 6-second cooling damper, 61-second oil path, 7-third cooling damper, 71-third oil path, 8-fourth cooling damper, 81-fourth oil path, 9-fifth cooling damper, 10-system safety valve, 11-pressure sensor, 12-pressure gauge, 13-cooler, 14-level gauge, 15-first oil filter, 16-second oil filter, 17-motor, 18-third oil filter.
Detailed Description
The following description of the embodiments of the present invention is provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
The first embodiment is as follows:
referring to fig. 1, the present embodiment provides a cooling damping diagnostic system for a pump station of a die casting machine, including a control system 1 of the die casting machine, a servo driver 2, an oil pump 3, an oil path, and a cooling damping, and it should be noted that fig. 1 shows a basic structure of an oil path system of the pump station, but the scheme of the present invention does not refer to all components in the drawing;
the cooling damping, the servo driver 2 and the oil pump 3 are arranged on an oil way, the die casting machine control system 1 is connected with the servo driver 2 and communicated with the servo driver 2 through EtherCAT, the servo driver 2 is connected with the oil pump 3 through a motor 17, the die casting machine control system 1 is used for sending a corresponding theoretical rotating speed control signal to the servo driver 2, a pressure sensor 11 used for detecting real-time pressure of the oil way is arranged in the servo driver 2, and the rotating speed of the servo driver 2 is adjusted according to the real-time pressure of the oil way and the theoretical pressure of the oil way;
the die casting machine control system 1 is further used for judging whether cooling damping in an oil way is installed correctly according to the theoretical rotating speed and the real-time rotating speed of the servo driver 2.
Specifically, the method comprises the following steps:
referring to fig. 1 and 2, the oil path includes a first oil path 51, a switching oil path, and a main oil path, the servo driver 2 and the oil pump 3 are disposed on the main oil path,
the first oil path 51 and the switching oil path are arranged on the main oil path in parallel, and the switching oil path comprises a second oil path 61, a third oil path 71 and a fourth oil path 81; the input end of the second oil path 61 is connected with the main oil path, the output end of the second oil path 61 is respectively connected with the input end of the third oil path 71 and the input end of the fourth oil path 81 through a valve device 4, and the output end of the third oil path 71 and the output end of the fourth oil path 81 are connected with the main oil path;
a first cooling damper 5, a second cooling damper 6, a third cooling damper 7 and a fourth cooling damper 8 are respectively arranged on the first oil path 51, the second oil path 61, the third oil path 71 and the fourth oil path 81, and a fifth cooling damper 9 is arranged on a main oil path connected with the output end of the first oil path 51, the output end of the third oil path 71 and the output end of the fourth oil path 81;
the valve device 4 includes a first electromagnetic valve 41 and a second electromagnetic valve 42 connected to the die casting machine control system 1, and the die casting machine control system 1 is further configured to control opening and closing of the first electromagnetic valve 41 and the second electromagnetic valve 42 to respectively communicate or disconnect the third oil path 71 and the fourth oil path 81 with the second oil path 61.
The first cooling damper 5 is phi 1.0, the second cooling damper 6 is phi 3.0, the third cooling damper 7 is phi 1.6, the fourth cooling damper 8 is phi 2.0, and the fifth cooling damper 9 is phi 4.0.
Specifically, the method comprises the following steps:
referring to fig. 1 and 2, when the first electromagnetic valve 41 and the second electromagnetic valve 42 are both closed, the first oil path 51 and the main oil path form a high-pressure oil path, at this time, the oil product only passes through the first cooling damper 5 and the fifth cooling damper 9 in the oil path, and further, at this time, the die casting machine control system 1 judges whether the first cooling damper 5 and the fifth cooling damper 9 in the oil path are correctly installed according to the theoretical rotating speed and the real-time rotating speed of the servo driver 2.
When the first electromagnetic valve 41 is opened and the second electromagnetic valve 42 is closed, the first oil path 51, the second oil path 61, the third oil path 71 and the main oil path form a medium-pressure oil path, at this time, the oil passes through the first cooling damper 5, the second cooling damper 6, the third cooling damper 7 and the fifth cooling damper 9 in the oil path, and further, at this time, the die casting machine control system 1 judges whether the first cooling damper 5, the second cooling damper 6, the third cooling damper 7 and the fifth cooling damper 9 in the oil path are correctly installed according to the theoretical rotating speed and the real-time rotating speed of the servo driver 2.
When the first electromagnetic valve 41 is closed and the second electromagnetic valve 42 is opened, the first oil path 51, the second oil path 61, the fourth oil path 81 and the main oil path form a low-pressure oil path, at this time, the oil passes through the first cooling damper 5, the second cooling damper 6, the fourth cooling damper 8 and the fifth cooling damper 9 in the oil paths, and further, at this time, the die casting machine control system 1 judges whether the first cooling damper 5, the second cooling damper 6, the fourth cooling damper 8 and the fifth cooling damper 9 in the oil paths are installed correctly according to the theoretical rotating speed and the real-time rotating speed of the servo driver 2.
The die-casting machine control system 1 can also judge whether the cooling damping in the oil way is correctly installed according to the theoretical pressure of the oil way and the real-time pressure of the oil way.
The specific judgment principle of the die casting machine control system 1 is as follows:
and diagnosing in three steps, namely performing low-pressure diagnosis on cooling damping in a low-pressure oil way, performing medium-pressure diagnosis on cooling damping in a medium-pressure oil way and performing high-pressure diagnosis on cooling damping in a high-pressure oil way.
When low-pressure diagnosis is carried out, the die-casting machine control system 1 controls the first electromagnetic valve 41 to be closed and the second electromagnetic valve 42 to be opened, the die-casting machine control system 1 controls the pressure output of the servo driver 2 to be 20bar, the flow output is 100%, aiming at the pressure output and the flow output, the die-casting machine control system 1 sends a corresponding theoretical rotating speed control signal to the servo driver 2, the servo driver 2 drives the motor 17 to drive the oil pump 3 to carry out oil product output according to the theoretical rotating speed, at the moment, under the combined action of the first cooling damper 5, the second cooling damper 6, the fourth cooling damper 8 and the fifth cooling damper 9, an oil path theoretical pressure exists in an oil path, the servo driver 2 detects the oil path real-time pressure through a built-in pressure sensor 11, and adjusts the rotating speed according to the oil path real-time pressure and the oil path theoretical pressure, so that the oil path real-time pressure approaches the oil path theoretical pressure, within a preset time (in the embodiment, 5 s), the oil path real-time pressure is smaller than 45bar, and the oil path real-time damping of the servo driver 2 is within a preset upper and lower limit range according to the theoretical rotating speed, the theoretical damping, the judgment is that the first cooling damper 5, the second cooling damper 6, the fourth cooling damper 8, the fifth cooling damper 9, or the cooling damper is installed incorrectly installed in the fifth cooling damper 9, or the cooling damper is installed in the fifth cooling damper.
When medium-pressure diagnosis is carried out, the die-casting machine control system 1 controls the first electromagnetic valve 41 to be opened and the second electromagnetic valve 42 to be closed, the die-casting machine control system 1 controls the pressure output of the servo driver 2 to be 80bar, the flow output is 100%, aiming at the pressure output and the flow output, the die-casting machine control system 1 sends a corresponding theoretical rotating speed control signal to the servo driver 2, the servo driver 2 drives the oil pump 3 to carry out oil product output according to the theoretical rotating speed, at the moment, under the combined action of the first cooling damper 5, the second cooling damper 6, the third cooling damper 7 and the fifth cooling damper 9, an oil-way theoretical pressure exists in an oil way, the servo driver 2 detects the oil-way real-time pressure through the built-in pressure sensor 11 and adjusts the rotating speed according to the oil-way real-time pressure and the oil-way theoretical pressure, so that the oil-way real-time pressure approaches the oil-way theoretical pressure, the oil-way real-time pressure is greater than or equal to 45bar and less than 90bar within a preset time (in the embodiment, 5 s), and the oil-way real-time rotating speed of the servo driver 2 is within upper and lower limits preset according to the theoretical rotating speed, and the theoretical damping size of the first cooling damper 5, the second cooling damper 6, the third cooling damper 7, the fifth cooling damper 9, or the third cooling damper is correctly installed, or the third cooling damper 9, or the cooling damper is incorrectly installed in the cooling damper 9.
When high-pressure diagnosis is carried out, the die casting machine control system 1 controls the first electromagnetic valve 41 to be closed and the second electromagnetic valve 42 to be closed, the die casting machine control system 1 controls the pressure output of the servo driver 2 to be 160bar, the flow output is 100%, aiming at the pressure output and the flow output, the die casting machine control system 1 sends a corresponding theoretical rotating speed control signal to the servo driver 2, the servo driver 2 drives the motor 17 to drive the oil pump 3 to carry out oil product output according to the theoretical rotating speed, at this time, under the combined action of the first cooling damper 5 and the fifth cooling damper 9, an oil circuit theoretical pressure exists in an oil circuit, the servo driver 2 detects the oil circuit real-time pressure through the built-in pressure sensor 11, and adjusts the rotating speed of the servo driver according to the oil circuit real-time pressure and the oil circuit theoretical pressure, so that the oil circuit real-time pressure approaches to the oil circuit theoretical pressure, the oil circuit real-time pressure is greater than or equal to 90bar within an upper limit range and a lower limit range preset according to the theoretical rotating speed, the oil circuit theoretical pressure is judged that the first cooling damper 5 and the fifth cooling damper 9 are installed correctly, otherwise, the first cooling damper 5 and the fifth cooling damper 9 have cooling leakage or the installation size is installed incorrectly.
In this embodiment, preset upper and lower limit ranges of the rotation speed of the corresponding type 2 servo driver during low-voltage diagnosis, medium-voltage diagnosis and high-voltage diagnosis are given:
300 ton machine type:
during low-pressure diagnosis, the lower limit of the rotating speed of the servo driver 2 is 150r/min, and the upper limit of the rotating speed is 350r/min;
during medium-pressure diagnosis, the lower limit of the rotating speed of the servo driver 2 is 250r/min, and the upper limit of the rotating speed is 400r/min;
during high-pressure diagnosis, the lower limit of the rotating speed of the servo driver 2 is 150r/min, and the upper limit of the rotating speed is 250r/min;
400 ton machine type:
during low-pressure diagnosis, the lower limit of the rotating speed of the servo driver 2 is 100r/min, and the upper limit of the rotating speed is 250r/min;
during medium-pressure diagnosis, the lower limit of the rotating speed of the servo driver 2 is 170r/min, and the upper limit of the rotating speed is 330r/min;
in the high-pressure diagnosis, the lower limit of the rotation speed of the servo driver 2 is 100r/min, and the upper limit of the rotation speed is 250r/min.
Example two:
referring to fig. 3, the present embodiment provides a method for diagnosing cooling damping of a pump station of a die casting machine, and based on the first embodiment, the system for diagnosing cooling damping of a pump station of a die casting machine includes the following steps:
s1, a die casting machine control system 1 sends a corresponding theoretical rotating speed control signal to a servo driver 2;
s2, the servo driver 2 adjusts the rotating speed of the oil pump according to the theoretical rotating speed control signal so as to drive the oil pump 3 to output oil to an oil circuit;
s3, the servo driver 2 detects real-time pressure of an oil way through a built-in pressure sensor 11;
s4, the servo driver 2 adjusts the rotating speed of the oil circuit according to the real-time pressure of the oil circuit and the theoretical pressure of the oil circuit;
and S5, judging whether the cooling damping in the oil way is correctly installed by the die casting machine control system 1 according to the theoretical rotating speed and the real-time rotating speed of the servo driver 2.
Specifically, the method comprises the following steps:
the method also comprises the following steps before the step S1: the die-casting machine control system 1 controls the opening and closing of the first solenoid valve 41 and the second solenoid valve 42 according to the cooling damping detection demand to respectively realize the communication or disconnection of the third oil passage 71 and the fourth oil passage 81 with the second oil passage 61, so that the oil passages are integrally formed into a high-pressure oil passage or a medium-pressure oil passage or a low-pressure oil passage.
When cooling damping in a high-pressure oil path needs to be detected, the die-casting machine control system 1 controls the first electromagnetic valve 41 and the second electromagnetic valve 42 to be closed, when cooling damping in a medium-pressure oil path needs to be detected, the die-casting machine control system 1 controls the first electromagnetic valve 41 to be opened and the second electromagnetic valve 42 to be closed, and when cooling damping in a low-pressure oil path needs to be detected, the die-casting machine control system 1 controls the first electromagnetic valve 41 to be closed and the second electromagnetic valve 42 to be opened.
In step S1, the die casting machine control system 1 sends a corresponding theoretical rotational speed control signal to the servo driver 2 according to the cooling damping detection requirement.
In step S5, the die casting machine control system 1 judges whether the cooling damping in the oil way is correctly installed or not according to the theoretical rotating speed, the real-time rotating speed of the servo driver 2, the theoretical pressure of the oil way and the real-time pressure of the oil way.
It should be noted that, similar to the embodiment, the method for diagnosing cooling damping of a pump station of a die casting machine provided in this embodiment is not described herein for further details.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention by those skilled in the art should fall within the protection scope of the present invention without departing from the design spirit of the present invention.
Claims (10)
1. A cooling damping diagnostic system of a die casting machine pump station is characterized by comprising a die casting machine control system, a servo driver, an oil pump, an oil way and cooling damping;
the cooling damper, the servo driver and the oil pump are all arranged on the oil way, the die casting machine control system is connected with the servo driver, the servo driver is connected with the oil pump, the die casting machine control system is used for sending a corresponding theoretical rotating speed control signal to the servo driver, a pressure sensor used for detecting the real-time pressure of the oil way is arranged in the servo driver, and the rotating speed of the servo driver is adjusted according to the real-time pressure of the oil way and the theoretical pressure of the oil way by the servo driver;
and the die-casting machine control system is also used for judging whether the cooling damping in the oil way is correctly installed according to the theoretical rotating speed and the real-time rotating speed of the servo driver.
2. The system of claim 1, wherein the oil path comprises a first oil path, a switching oil path, and a main oil path, the servo driver and the oil pump are disposed on the main oil path,
the first oil way and the switching oil way are arranged on the main oil way in parallel, and the switching oil way comprises a second oil way, a third oil way and a fourth oil way; the input end of the second oil way is connected with the main oil way, the output end of the second oil way is respectively connected with the input end of the third oil way and the input end of the fourth oil way through a valve device, and the output end of the third oil way and the output end of the fourth oil way are connected with the main oil way;
a first cooling damper, a third cooling damper and a fourth cooling damper are respectively arranged on the first oil way, the third oil way and the fourth oil way;
the valve device comprises a first electromagnetic valve and a second electromagnetic valve which are connected with the die-casting machine control system, and the die-casting machine control system is also used for controlling the opening and closing of the first electromagnetic valve and the second electromagnetic valve so as to respectively realize the connection or disconnection of the third oil path and the fourth oil path with the second oil path.
3. The system of claim 2, wherein a second cooling damper is provided on the second oil path.
4. The system according to claim 2, wherein a fifth cooling damper is provided on the main oil path connected to the first oil path output, the third oil path output, and the fourth oil path output.
5. The system for diagnosing cooling damping of the pump station of the die-casting machine according to claim 1, wherein the control system of the die-casting machine judges whether the cooling damping in the oil path is correctly installed according to the theoretical rotating speed, the real-time rotating speed of the servo driver, the theoretical pressure of the oil path and the real-time pressure of the oil path.
6. A method for diagnosing cooling damping of a pump station of a die casting machine is based on the system for diagnosing cooling damping of the pump station of the die casting machine according to any one of claims 1 to 5, and is characterized by comprising the following steps:
s1, a die casting machine control system sends a corresponding theoretical rotating speed control signal to a servo driver;
s2, the servo driver adjusts the rotating speed of the servo driver according to the theoretical rotating speed control signal so as to drive the oil pump to output oil products to an oil way;
s3, detecting real-time pressure of an oil way by the servo driver through a built-in pressure sensor of the servo driver;
s4, the servo driver adjusts the rotating speed of the oil circuit according to the real-time pressure of the oil circuit and the theoretical pressure of the oil circuit;
and S5, judging whether the cooling damping in the oil way is correctly installed by the die casting machine control system according to the theoretical rotating speed and the real-time rotating speed of the servo driver.
7. The method for diagnosing the cooling damping of the pump station of the die casting machine according to claim 6, wherein the step S1 is preceded by the step of: and the die-casting machine control system controls the opening and closing of the first electromagnetic valve and the second electromagnetic valve according to the cooling damping detection requirement so as to respectively realize the communication or disconnection of the third oil path and the fourth oil path with the second oil path, thereby integrally forming a high-pressure oil path, a medium-pressure oil path or a low-pressure oil path.
8. The method for diagnosing the cooling damping of the pump station of the die casting machine according to claim 7, wherein when the cooling damping in the high-pressure oil path needs to be detected, the control system of the die casting machine controls the first electromagnetic valve and the second electromagnetic valve to be closed, when the cooling damping in the medium-pressure oil path needs to be detected, the control system of the die casting machine controls the first electromagnetic valve to be opened and the second electromagnetic valve to be closed, and when the cooling damping in the low-pressure oil path needs to be detected, the control system of the die casting machine controls the first electromagnetic valve to be closed and the second electromagnetic valve to be opened.
9. The method for diagnosing the cooling damping of the pump station of the die casting machine according to claim 6, wherein in the step S1, the control system of the die casting machine sends a corresponding theoretical rotating speed control signal to the servo driver according to the detection requirement of the cooling damping.
10. The method for diagnosing the cooling damping of the pump station of the die casting machine according to claim 6, wherein in the step S5, the control system of the die casting machine judges whether the cooling damping in the oil path is correctly installed according to the theoretical rotating speed, the real-time rotating speed of the servo driver, the theoretical pressure of the oil path and the real-time pressure of the oil path.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201008959Y (en) * | 2007-02-09 | 2008-01-23 | 侯金来 | Control device of die casting machine |
| CN201231309Y (en) * | 2008-07-18 | 2009-05-06 | 东莞市锋利盛机电有限公司 | Intelligent power-saving control device of die-casting machine |
| CN202071309U (en) * | 2011-05-10 | 2011-12-14 | 宜兴市佳晨压铸机制造有限公司 | Servo drive type die casting machine |
| CN202200580U (en) * | 2011-06-24 | 2012-04-25 | 东莞市森兴机电设备有限公司 | Electrohydraulic control device for servo motor for use in die casting machine |
| CN106735075A (en) * | 2016-12-30 | 2017-05-31 | 宁波海天金属成型设备有限公司 | A kind of die casting machine intelligent folding mould control method and control system |
| CN208303842U (en) * | 2018-04-13 | 2019-01-01 | 宁波力劲科技有限公司 | A kind of energy-saving servo system for die casting machine |
-
2022
- 2022-06-09 CN CN202210643969.5A patent/CN115213377B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201008959Y (en) * | 2007-02-09 | 2008-01-23 | 侯金来 | Control device of die casting machine |
| CN201231309Y (en) * | 2008-07-18 | 2009-05-06 | 东莞市锋利盛机电有限公司 | Intelligent power-saving control device of die-casting machine |
| CN202071309U (en) * | 2011-05-10 | 2011-12-14 | 宜兴市佳晨压铸机制造有限公司 | Servo drive type die casting machine |
| CN202200580U (en) * | 2011-06-24 | 2012-04-25 | 东莞市森兴机电设备有限公司 | Electrohydraulic control device for servo motor for use in die casting machine |
| CN106735075A (en) * | 2016-12-30 | 2017-05-31 | 宁波海天金属成型设备有限公司 | A kind of die casting machine intelligent folding mould control method and control system |
| CN208303842U (en) * | 2018-04-13 | 2019-01-01 | 宁波力劲科技有限公司 | A kind of energy-saving servo system for die casting machine |
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| CN115213377B (en) | 2024-04-19 |
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