CN211891855U - Abnormal mold temperature monitoring system of injection molding machine - Google Patents
Abnormal mold temperature monitoring system of injection molding machine Download PDFInfo
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- CN211891855U CN211891855U CN202020170643.1U CN202020170643U CN211891855U CN 211891855 U CN211891855 U CN 211891855U CN 202020170643 U CN202020170643 U CN 202020170643U CN 211891855 U CN211891855 U CN 211891855U
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- molding machine
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Abstract
The utility model discloses a mould temperature abnormity monitoring system of an injection molding machine, which comprises a mould temperature machine, wherein the mould temperature machine is provided with a return water flow divider; the return water flow divider is provided with a thermocouple which is electrically connected with a temperature controller; the temperature controller sends out a temperature abnormal signal after judging that the temperature detected by the thermocouple exceeds the standard; the injection molding machine comprises a driving motor for driving the screw rod to rotate, and the driving motor is electrically connected with a power supply through a first power transmission line; and the relay is arranged on the first power transmission line and is controlled by the temperature abnormal signal, and when the relay receives the temperature abnormal signal, the first power transmission line is disconnected, so that the driving motor stops running. The utility model discloses can monitor the temperature of heat exchange medium in the mould temperature machine return water shunt, when the temperature of heat exchange medium exceeds standard, can control injection moulding machine stop work, can also control the warning light and send out the police dispatch newspaper.
Description
Technical Field
The utility model relates to a field of moulding plastics, concretely relates to injection moulding machine's unusual monitored control system of mould temperature.
Background
The mold temperature controller is usually equipped with a backwater diverter, and the mold temperature controller supplies heat exchange medium to the mold through the backwater diverter to control the mold temperature.
However, when the mold temperature controller stops operating due to internal short-circuit fault and power supply, the temperature of the mold cannot be effectively controlled, and the injection molding machine always keeps full-automatic operation, which is likely to result in poor product quality.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a mold temperature abnormity monitoring system of an injection molding machine, wherein the injection molding machine is a screw injection molding machine and comprises a driving motor for driving a screw to rotate; the mould on the injection moulding machine is provided with a mould temperature controller, the mould temperature controller is provided with a backwater diverter, and the mould temperature controller supplies heat exchange medium to the mould through the backwater diverter;
the return water flow divider is provided with a thermocouple, the thermocouple is electrically connected with a temperature controller, and the temperature controller detects the temperature of the heat exchange medium in the return water flow divider through the thermocouple;
the temperature controller is provided with a temperature abnormity judging module which judges the temperature detected by the thermocouple and sends a temperature abnormity signal to the outside when judging that the temperature detected by the thermocouple exceeds the standard;
the driving motor is electrically connected with a power supply through a first power transmission line, and the power supply supplies power to the driving motor through the first power transmission line;
the relay is arranged on the first power transmission line and used for controlling the on-off of the first power transmission line; the relay is also electrically connected with the temperature controller and is controlled by the temperature abnormal signal, and when the relay receives the temperature abnormal signal, the first power transmission line is disconnected, so that the driving motor stops running.
Preferably, the temperature controller is electrically connected with a power supply through a second power transmission line, and the power supply supplies power to the temperature controller through the second power transmission line.
Preferably, the second power transmission line is provided with a power switch, and the power switch is used for controlling on/off leakage of the first power transmission line.
Preferably, the power switch is a leakage protector.
Preferably, the temperature controller, the power supply, the relay and the power switch are all arranged in an electric box.
Preferably, the electric box is fixed on the injection molding machine.
Preferably, the injection molding machine is further provided with an alarm lamp, the alarm lamp is electrically connected with the temperature controller, and the alarm lamp triggers an alarm by the temperature abnormal signal.
Preferably, the alarm lamp is a rotary flashing alarm lamp.
The utility model discloses can monitor the temperature of heat exchange medium in the mould temperature machine return water shunt, when the temperature of heat exchange medium exceeds standard, can control injection moulding machine stop work.
The temperature controller detects the temperature of the heat exchange medium in the backwater flow divider through the thermocouple, and if the temperature exceeds the standard, the temperature controller controls the relay to be powered off, so that the driving motor for driving the screw rod to rotate is stopped, and the injection molding machine stops working.
And the temperature controller controls the alarm lamp to give an alarm to remind workers of abnormity.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, the utility model provides a system for monitoring abnormal mold temperature of an injection molding machine, which is a screw injection molding machine, comprising a driving motor 1 for driving a screw to rotate; the mould on the injection moulding machine is provided with a mould temperature controller, the mould temperature controller is provided with a backwater diverter 2, and the mould temperature controller supplies heat exchange medium to the mould through the backwater diverter 2;
the return water flow divider 2 is provided with a thermocouple 3, the thermocouple 3 is electrically connected with a temperature controller 4 (the temperature controller can select an SIN2200 intelligent double-loop temperature controller digital display meter), and the temperature controller 4 detects the temperature of a heat exchange medium in the return water flow divider 2 through the thermocouple 3;
the temperature controller 4 is provided with a temperature abnormity judging module which judges the temperature detected by the thermocouple 3 and sends a temperature abnormity signal to the outside when the temperature detected by the thermocouple 3 exceeds the standard;
the driving motor 1 is electrically connected with a power supply 6 through a first power transmission line 5, and the power supply 6 supplies power to the driving motor 1 through the first power transmission line 5;
the relay 7 is arranged on the first power transmission line 5, and the relay 7 is used for controlling the on-off of the first power transmission line 5; the relay 7 is also electrically connected with the temperature controller 4, and the relay 7 is controlled by the temperature abnormal signal, when the relay 7 receives the temperature abnormal signal, the first power transmission line is disconnected, and the driving motor 1 stops running.
The temperature controller 4 is electrically connected with the power supply 6 through a second power transmission line 8, and the power supply 6 supplies power to the temperature controller 4 through the second power transmission line 8.
And a power switch 9 is arranged on the second power transmission line 8, and the power switch 9 is used for controlling on-off leakage of the first power transmission line 5.
The power switch 9 is a leakage protector.
The temperature controller 4, the power supply 6, the relay 7 and the power switch 9 are all arranged inside an electric box 10.
The electronic box 10 is fixed on an injection molding machine.
And the injection molding machine is also provided with an alarm lamp 11, the alarm lamp 11 is electrically connected with the temperature controller 4, and the alarm lamp 11 triggers an alarm by a temperature abnormal signal.
The alarm lamp 11 is a rotary flashing alarm lamp.
The utility model discloses can monitor the temperature of heat exchange medium in the mould temperature machine return water shunt 2, when the temperature of heat exchange medium exceeds standard, can control injection moulding machine stop work.
The temperature controller 4 detects the temperature of the heat exchange medium in the return water flow divider 2 through the thermocouple 3, and if the temperature exceeds the standard, the temperature controller 4 controls the relay 7 to be powered off, so that the driving motor 1 for driving the screw rod to rotate is stopped, and the injection molding machine stops working.
And the temperature controller 4 controls the alarm lamp 11 to give an alarm to alert a worker of the abnormality.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The monitoring system for the abnormal mold temperature of the injection molding machine is a screw injection molding machine and comprises a driving motor for driving a screw to rotate; the mould on the injection moulding machine is provided with a mould temperature controller, the mould temperature controller is provided with a backwater diverter, and the mould temperature controller supplies heat exchange medium to the mould through the backwater diverter; the method is characterized in that:
the return water flow divider is provided with a thermocouple, the thermocouple is electrically connected with a temperature controller, and the temperature controller detects the temperature of the heat exchange medium in the return water flow divider through the thermocouple;
the temperature controller is provided with a temperature abnormity judging module which judges the temperature detected by the thermocouple and sends a temperature abnormity signal to the outside when judging that the temperature detected by the thermocouple exceeds the standard;
the driving motor is electrically connected with a power supply through a first power transmission line, and the power supply supplies power to the driving motor through the first power transmission line;
the relay is arranged on the first power transmission line and used for controlling the on-off of the first power transmission line; the relay is also electrically connected with the temperature controller and is controlled by the temperature abnormal signal, and when the relay receives the temperature abnormal signal, the first power transmission line is disconnected, so that the driving motor stops running.
2. The system for monitoring abnormality in mold temperature of an injection molding machine according to claim 1, wherein the temperature controller is electrically connected to a power supply through a second power transmission line, and the power supply supplies power to the temperature controller through the second power transmission line.
3. The system for monitoring the abnormal mold temperature of the injection molding machine according to claim 2, wherein a power switch is arranged on the second power transmission line and used for controlling on-off leakage of the first power transmission line.
4. The system for monitoring abnormality in mold temperature of an injection molding machine according to claim 3, wherein said power switch is a leakage protector.
5. The system for monitoring abnormality in mold temperature of an injection molding machine according to claim 4, wherein said temperature controller, power supply, relay and power switch are provided inside an electric box.
6. The system for monitoring abnormality in mold temperature of an injection molding machine according to claim 5, wherein said electric box is fixed to the injection molding machine.
7. The system for monitoring the abnormal mold temperature of the injection molding machine according to claim 6, wherein an alarm lamp is further provided on the injection molding machine, the alarm lamp is electrically connected with the temperature controller, and the alarm lamp triggers an alarm by the abnormal temperature signal.
8. The system for monitoring abnormality in mold temperature of an injection molding machine according to claim 7, wherein the warning lamp is a rotary flashing warning lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020170643.1U CN211891855U (en) | 2020-02-14 | 2020-02-14 | Abnormal mold temperature monitoring system of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020170643.1U CN211891855U (en) | 2020-02-14 | 2020-02-14 | Abnormal mold temperature monitoring system of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211891855U true CN211891855U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020170643.1U Active CN211891855U (en) | 2020-02-14 | 2020-02-14 | Abnormal mold temperature monitoring system of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211891855U (en) |
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2020
- 2020-02-14 CN CN202020170643.1U patent/CN211891855U/en active Active
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