CN211901171U - Oil temperature control system for die casting machine - Google Patents
Oil temperature control system for die casting machine Download PDFInfo
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- CN211901171U CN211901171U CN201922232077.2U CN201922232077U CN211901171U CN 211901171 U CN211901171 U CN 211901171U CN 201922232077 U CN201922232077 U CN 201922232077U CN 211901171 U CN211901171 U CN 211901171U
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- oil tank
- main oil
- oil
- casting machine
- heat exchange
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Abstract
An oil temperature control system for a die casting machine effectively solves the problems of an external heating structure and higher cost; the oil tank has poor hydraulic oil fluidity and is easy to generate a local heating phenomenon; and the functions of the common die casting machine are independent and not completely integrated, which causes the problem of partial resource waste; the technical scheme includes that the device comprises a main oil tank and a PLC (programmable logic controller), wherein the main oil tank is respectively connected with a main oil pump, an output section of the main oil pump is connected back to the main oil tank through an overflow valve, the main oil tank is connected with a cooling motor, the cooling motor is connected with a heat exchange module, one branch of the heat exchange module is connected back to the main oil tank, one side of the heat exchange module is connected with a cooling water valve, and the main oil tank is connected with an energy accumulator and an oil temperature sensor; the utility model does not need to add a heating element, thereby saving the cost; the fluidity of the hydraulic oil in the oil tank is increased, and the local overheating phenomenon is reduced; the coordination of the overall components within the system is increased.
Description
Technical Field
The utility model belongs to the technical field of the die casting machine technique and specifically relates to an oil temperature control system for die casting machine.
Background
The oil temperature heating of the common die casting machine needs to add a special heating part, so that the cost is increased. The common cooling motor of the die casting machine works only when the sensor detects that the temperature is too high, the fluidity of oil in an oil tank is poor, and local overheating is easy to generate to damage a sealing piece; the oil temperature alarm processing mode of the common die casting machine is too simple.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an oil temperature control system for a die casting machine, which effectively solves the problems of an external heating structure and has higher cost; the oil tank has poor hydraulic oil fluidity and is easy to generate a local heating phenomenon; and the functions of the common die-casting machine are independent and not completely integrated, so that the problem of partial resource waste is caused.
The technical scheme of its solution includes including main oil tank and PLC controller, is connected with the main oil pump on the main oil tank respectively, and the output section of main oil pump is connected back to the main oil tank through the overflow valve, is connected with the cooling motor on the main oil tank, and the cooling motor is connected with heat exchange module, and a branch road of heat exchange module links back to the main oil tank, and one side of heat exchange module is connected with the cooling water valve, is connected with energy storage ware and oil temperature sensor on the main oil tank.
Preferably, the heat exchange module comprises a cooling device, an inlet end of the cooling water valve is communicated with the cooling device, and the cooling device adopts cooling water as a medium; the hydraulic oil part of the heat exchange module is driven by the cooling motor to flow all the time, and the oil temperature uniformity of the oil tank is ensured by matching with the design of the oil circuit of the die casting machine of the company.
Preferably, the energy accumulator is connected with the main oil tank through an unloading valve; when heating, the unloading valve is switched on when power is lost, and oil is discharged into the oil tank to be fully heated.
Preferably, the oil temperature sensor detects the oil temperature in the main oil tank in real time and feeds back the detection data to the PLC.
The utility model designs the control heating system combined with the existing hydraulic system, does not need to add an external heating element, realizes the work of the overflow valve by the hydraulic oil when heating the hydraulic oil, and realizes the work by the heat exchange module when cooling the hydraulic oil, thereby saving the cost; the fluidity of the hydraulic oil in the oil tank is increased, and the local overheating phenomenon is reduced; the coordination of the overall components within the system is increased.
Drawings
Fig. 1 is the overall flow diagram of the system of the present invention.
In the figure, 1-the related action of a die casting machine, 2-a PLC controller, 3-cooling water, 4-a cooling water valve, 5-an energy accumulator, 6-a main oil pump motor, 7-an overflow valve, 8-a cooling motor, 9-heat exchange, 10-an unloading valve, 11-an oil temperature sensor and 12-an oil tank.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
According to the drawing 1, the utility model discloses a main oil tank and PLC controller, the main oil tank is connected back to the delivery section that is connected with main oil pump, main oil pump respectively on the main oil tank through the overflow valve, is connected with the cooling motor on the main oil tank, and the cooling motor is connected with the heat exchange module, and a branch road of heat exchange module links back the main oil tank, and one side of heat exchange module is connected with the cooling water valve, is connected with energy memory and oil temperature sensor on the main oil tank.
In order to facilitate the control of the whole device, the whole device is controlled by a PLC (programmable logic controller), and the PLC is respectively connected with a die casting machine and the oil temperature control system.
The heat exchange module comprises a cooling device, the inlet end of the cooling water valve is communicated with the cooling device, and the cooling device adopts cooling water as a medium; the hydraulic oil part of the heat exchange module is driven by the cooling motor to flow all the time, and the oil temperature uniformity of the oil tank is ensured by matching with the design of the oil circuit of the die casting machine of the company.
The energy accumulator is connected with the main oil tank through an unloading valve; when heating, the oil is discharged into the oil tank for full heating.
The oil temperature sensor detects the oil temperature in the main oil tank in real time and feeds detection data back to the PLC.
The utility model discloses when specifically using, can take corresponding measure according to the detection of the temperature in the main oil tank at any time, specifically as follows: when the oil temperature in the main oil tank is too low, selecting an oil temperature heating mode on the controller; when the temperature of the oil temperature sensor is higher than the preheating temperature, the oil temperature is not heated; when the oil temperature is lower than the preheating temperature, heating the oil temperature; at the moment, the PLC sends out a signal to forbid all other actions of the die casting machine except the oil temperature heating function; meanwhile, the unloading valve loses power, oil drainage action is carried out, and oil in the energy accumulator flows back to the oil tank; the cooling motor is started, and a hydraulic oil flow circulation area of the oil tank is increased, so that the oil temperature at each part of the oil tank is uniform; then the main oil pump motor supplies oil at a lower flow rate to prevent the phenomenon of air suction caused by overhigh speed; the hydraulic oil output by the main oil pump flows back to the oil tank through the overflow valve, and the temperature of the hydraulic oil is raised by acting on the overflow valve, so that the heating function is achieved; the heating device is an overflow valve of the hydraulic structure of the die casting machine of the company, and the additional new structure is not needed.
When the temperature is too high, the hydraulic oil in the die-casting engine oil box is in a flowing state all the time through the heat exchange module under the action of the cooling motor; at the moment, only the cooling water valve needs to be opened, so that the cooling water with lower temperature flows to the heat exchange module through the cooling water valve and exchanges heat with the hydraulic oil passing through the heat exchange module.
The PLC controls the preheating temperature when the oil temperature is heated, and the temperature for starting cooling when the oil temperature is too high can be set in the PLC; the oil can be modified at any time according to the oil selected by the die casting machine; in addition, the PLC is additionally provided with the action processing functions of the die casting machine on oil temperature abnormity, including no action, alarm prompt, automatic stop after cycle ending, automatic immediate stop and immediate motor stop.
The utility model designs the control heating system combined with the existing hydraulic system, realizes the work of the overflow valve by the hydraulic oil when heating the hydraulic oil, and simultaneously the overflow valve is the self-contained structure of the hydraulic system of the company and does not need to be additionally provided with a heating element; the hydraulic oil is cooled through the heat exchange module, so that the cost is saved; the fluidity of the hydraulic oil in the oil tank is increased, and the local overheating phenomenon is reduced; the coordination of the overall components within the system is increased.
Claims (4)
1. The utility model provides an oil temperature control system for die casting machine, a serial communication port, including main oil tank and PLC controller, be connected with the main oil pump on the main oil tank, the main oil tank is connected back through the overflow valve to the output section of main oil pump, is connected with cooling motor on the main oil tank, cooling motor is connected with heat exchange module, a branch road of heat exchange module links back the main oil tank, one side of heat exchange module is connected with the cooling water valve, be connected with accumulator and oil temperature sensor on the main oil tank.
2. The oil temperature control system for the die casting machine as claimed in claim 1, wherein the heat exchange module comprises a cooling device, an inlet end of the cooling water valve is connected to the cooling device, and the cooling device adopts cooling water as a medium.
3. The oil temperature control system for the die casting machine as claimed in claim 1, wherein the accumulator is connected to the main oil tank through an unloading valve; when heating, the unloading valve is switched on when power is lost, and oil is discharged into the oil tank to be fully heated.
4. The oil temperature control system for the die casting machine according to claim 1, wherein the oil temperature sensor detects the temperature of oil in the main oil tank in real time and feeds back the detected data to the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922232077.2U CN211901171U (en) | 2019-12-13 | 2019-12-13 | Oil temperature control system for die casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922232077.2U CN211901171U (en) | 2019-12-13 | 2019-12-13 | Oil temperature control system for die casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901171U true CN211901171U (en) | 2020-11-10 |
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ID=73294226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922232077.2U Active CN211901171U (en) | 2019-12-13 | 2019-12-13 | Oil temperature control system for die casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901171U (en) |
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2019
- 2019-12-13 CN CN201922232077.2U patent/CN211901171U/en active Active
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