CN217055814U - Injection molding machine hydraulic oil cooling circulation water automatic control device - Google Patents
Injection molding machine hydraulic oil cooling circulation water automatic control device Download PDFInfo
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- CN217055814U CN217055814U CN202122738206.2U CN202122738206U CN217055814U CN 217055814 U CN217055814 U CN 217055814U CN 202122738206 U CN202122738206 U CN 202122738206U CN 217055814 U CN217055814 U CN 217055814U
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- injection molding
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Abstract
The utility model relates to an injection molding machine hydraulic oil cooling circulation water automatic control device, including oil tank, cooler and electric cabinet, be equipped with first oil inlet and first oil-out on the oil tank, be equipped with second oil inlet and second oil-out on the cooler, the second oil-out is connected with first oil inlet, first oil-out is connected with the second oil inlet, the inside temperature sensor that is equipped with of oil tank, be equipped with the controller in the electric cabinet, temperature sensor is connected with the controller, still be equipped with inlet tube and outlet pipe on the cooler, be equipped with the solenoid valve on the inlet tube, the solenoid valve also is connected with the controller.
Description
Technical Field
The utility model relates to an injection molding machine technical field, in particular to injection molding machine hydraulic oil cooling circulation water automatic control device.
Background
The injection molding machine generates high-temperature hydraulic oil in various process actions, the high-temperature hydraulic oil needs to be subjected to heat exchange through a cooler, so that the hydraulic oil is sufficiently cooled, and the temperature is kept within a certain range, thereby protecting the effective and normal operation of a hydraulic system. The cooling circulating water system consists of a motor pump, a cooling tower, a pipeline and the like, a cooling water switch is controlled by a gate valve, and an operator is required to close the gate valve when the machine is stopped. The above manual control method has the following problems:
1. when the machine is stopped, an operator forgets to close the gate valve due to negligence, so that a large amount of energy is wasted;
2. in the production process of the periodical shutdown and the startup recovery, the temperature difference of the hydraulic oil in the oil tank is large, so that the stable and reliable operation of a hydraulic system is not facilitated.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the defects of the prior art, the automatic control device for the cooling circulating water of the hydraulic oil of the injection molding machine is provided.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an injection molding machine hydraulic oil cooling circulation water automatic control device, includes oil tank, cooler and electric cabinet, be equipped with first oil inlet and first oil-out on the oil tank, be equipped with second oil inlet and second oil-out on the cooler, the second oil-out is connected with first oil inlet, first oil-out is connected with the second oil inlet, the inside temperature sensor that is equipped with of oil tank, be equipped with the controller in the electric cabinet, temperature sensor is connected with the controller, still be equipped with inlet tube and outlet pipe on the cooler, be equipped with the solenoid valve on the inlet tube, the solenoid valve also is connected with the controller.
Preferably, the electric cabinet is provided with a display screen, and the display screen is connected with the controller.
Preferably, the controller is a PLC.
Preferably, a cooling pipe is arranged in the cooler, and two ends of the cooling pipe are respectively connected with the water inlet pipe and the water outlet pipe.
Preferably, the cooling pipe is a spiral coil.
Preferably, the direction of water flow in the cooling pipe is opposite to the direction of hydraulic oil flow in the cooler.
Preferably, a temperature controller is arranged on the oil tank, and the temperature controller is connected with a temperature sensor.
The beneficial effects of the utility model are that, this injection molding machine hydraulic oil cooling circulating water automatic control device realizes monitoring hydraulic oil temperature in the feedback oil tank through increasing a temperature sensor and gives the controller, contrasts with the temperature that sets up, when not reaching the settlement temperature, and control solenoid closes, stops supplying water, opens water supply when treating the temperature and reaching the setting value, makes hydraulic oil temperature control undulant at very little within range to make hydraulic system temperature more. Meanwhile, when the machine is stopped, the electromagnetic valve is automatically closed, so that water supply is saved to the maximum extent.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples.
FIG. 1 is a schematic structural view of an automatic control device for hydraulic oil cooling circulation water of an injection molding machine of the present invention;
in the figure: 1. the cooling system comprises an oil tank, 2 a cooler, 3 an electric cabinet, 1-1 a first oil inlet, 1-2 a first oil outlet, 2-1 a second oil inlet, 2-2 a second oil outlet, 4 a temperature sensor, 5 a controller, 6 a water inlet pipe, 7 a water outlet pipe, 8 an electromagnetic valve, 9 a display screen, 10 a cooling pipe and 11 a temperature controller.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1, an automatic control device for hydraulic oil cooling circulating water of an injection molding machine comprises an oil tank 1, a cooler 2 and an electric cabinet 3, wherein a first oil inlet 1-1 and a first oil outlet 1-2 are arranged on the oil tank 1, a second oil inlet 2-1 and a second oil outlet 2-2 are arranged on the cooler 2, the second oil outlet 2-2 is connected with the first oil inlet 1-1, the first oil outlet 1-2 is connected with the second oil inlet 2-1, a temperature sensor 4 is arranged in the oil tank 1, a controller 5 is arranged in the electric cabinet 3, the temperature sensor 4 is connected with the controller 5, a water inlet pipe 6 and a water outlet pipe 7 are further arranged on the cooler 2, an electromagnetic valve 8 is arranged on the water inlet pipe 6, and the electromagnetic valve 8 is also connected with the controller 5.
During the use of the device, the hydraulic oil in the oil tank 1 is discharged from the first oil outlet 1-2 and is conveyed into the cooler 2 from the second oil inlet 2-1, the hydraulic oil in the cooler 2 is discharged from the second oil outlet and flows back to the oil tank 1 through the first oil inlet 1-1, the cooling water is conveyed to the cooler 2 from the water inlet pipe 6 and then is discharged through the water outlet pipe 7, the heat in the hydraulic oil is absorbed through the cooling water, the cooling of the hydraulic oil is realized, in addition, the temperature in the oil tank 1 is monitored through the temperature sensor 4 and the temperature signal is transmitted to the controller 5, when the temperature does not reach the set temperature of the controller 5, the electromagnetic valve 8 is controlled to be closed, the water supply is stopped, when the temperature reaches the set value, the electromagnetic valve 8 is controlled to be opened by the controller 5, the water supply is realized, the temperature of the hydraulic oil is controlled to fluctuate in a small range, and the hydraulic system is more stable, meanwhile, when the device is out of service, the electromagnetic valve 8 is automatically closed, so that water supply is saved to the maximum extent
Preferably, a display screen 9 is arranged on the electric cabinet 3, and the display screen 9 is connected with the controller 5.
The real-time temperature of the hydraulic oil monitored by the temperature sensor 4 can be displayed through the display screen 9, and meanwhile, the set temperature of the controller 5 can also be displayed.
Preferably, the controller 5 is a PLC.
Preferably, a cooling pipe 10 is arranged in the cooler 2, and two ends of the cooling pipe 10 are respectively connected with the water inlet pipe 6 and the water outlet pipe 7.
Preferably, the cooling pipe 10 is a spiral coil.
The cooling pipe 10 distributed spirally can facilitate the cooling pipe 10 to uniformly absorb heat in the hydraulic oil, and the cooling effect is improved.
Preferably, the water flow in the cooling pipe 10 is opposite to the hydraulic oil flow in the cooler 2.
The heat exchange efficiency can be improved by countercurrent, so that the cooling effect of the hydraulic oil can be further improved.
Preferably, a temperature controller 11 is arranged on the oil tank 1, and the temperature controller 11 is connected with the temperature sensor 4.
The set temperature of the controller 5 can be adjusted by the temperature controller 11.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. An automatic control device for hydraulic oil cooling circulating water of an injection molding machine is characterized by comprising an oil tank (1), a cooler (2) and an electric cabinet (3), wherein a first oil inlet (1-1) and a first oil outlet (1-2) are formed in the oil tank (1), a second oil inlet (2-1) and a second oil outlet (2-2) are formed in the cooler (2), the second oil outlet (2-2) is connected with the first oil inlet (1-1), the first oil outlet (1-2) is connected with the second oil inlet (2-1), a temperature sensor (4) is arranged inside the oil tank (1), a controller (5) is arranged in the electric cabinet (3), the temperature sensor (4) is connected with the controller (5), a water inlet pipe (6) and a water outlet pipe (7) are further arranged on the cooler (2), be equipped with solenoid valve (8) on inlet tube (6), solenoid valve (8) are also connected with controller (5).
2. The automatic control device for the hydraulic oil cooling circulating water of the injection molding machine according to claim 1, wherein a display screen (9) is arranged on the electric cabinet (3), and the display screen (9) is connected with the controller (5).
3. The automatic control device for the cooling circulation water of the hydraulic oil of the injection molding machine according to claim 1, wherein the controller (5) is a PLC.
4. The automatic control device for cooling circulating water of hydraulic oil of an injection molding machine according to claim 1, characterized in that a cooling pipe (10) is arranged in the cooler (2), and two ends of the cooling pipe (10) are respectively connected with the water inlet pipe (6) and the water outlet pipe (7).
5. The automatic control device for the cooling circulation water of the hydraulic oil of the injection molding machine according to claim 4, characterized in that the cooling pipe (10) is a spiral coil pipe.
6. The automatic control device for the cooling circulation water of the hydraulic oil of the injection molding machine according to claim 4, characterized in that the flow direction of the water in the cooling pipe (10) is opposite to the flow direction of the hydraulic oil in the cooler (2).
7. The automatic control device for the cooling circulation water of the hydraulic oil of the injection molding machine according to claim 1, wherein a temperature controller (11) is arranged on the oil tank (1), and the temperature controller (11) is connected with the temperature sensor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122738206.2U CN217055814U (en) | 2021-11-09 | 2021-11-09 | Injection molding machine hydraulic oil cooling circulation water automatic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122738206.2U CN217055814U (en) | 2021-11-09 | 2021-11-09 | Injection molding machine hydraulic oil cooling circulation water automatic control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217055814U true CN217055814U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122738206.2U Active CN217055814U (en) | 2021-11-09 | 2021-11-09 | Injection molding machine hydraulic oil cooling circulation water automatic control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217055814U (en) |
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2021
- 2021-11-09 CN CN202122738206.2U patent/CN217055814U/en active Active
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