Embedded water-cooling air-blowing pressure-maintaining multifunctional mold temperature controller

Abstract

The utility model discloses an embedded water-cooling blowing pressure-maintaining multifunctional mold temperature controller which comprises a water-cooling system, a blowing pressure-maintaining system and an intelligent control system, the water-cooling system comprises a water tank, an inner circulation system and an outer circulation system, the inner circulation system and the outer circulation system are connected with the water tank, and a coil pipe is arranged in the water tank in an integrated mode. The coil pipe is connected with cooling water through a water inlet pipe and a water outlet pipe which are arranged on the top of the water tank, a second temperature sensor and a proportional valve are arranged on the water inlet pipe, and the blowing pressure maintaining system comprises a first pneumatic control angle valve, a second pneumatic control angle valve, an air source processor and an electromagnetic valve. The intelligent control system adjusts the rotating speed of the inner circulating pump and the outer circulating pump and the opening degree of the proportional valve through a PID algorithm, and the water cooling system and the blowing pressure maintaining system are electrically connected with the intelligent control system. The device is high in integration level, small in occupied space, low in energy consumption, safe, reliable and capable of rapidly reducing the temperature of the mold, so that the flow and the temperature of the mold are kept constant in the using process, and liquid in a mold fluid channel can be emptied after the mold is used.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial temperature control equipment field, especially relate to a kind of embedded water-cooling gas pressure-keeping multifunctional mould temperature controller. BACKGROUND

[0002] Mould temperature controller is also called mould temperature controller, is widely used in plastic forming, light guide plate die casting, rubber tire, roller, chemical reaction kettle, bonding, mixing and other industries, is a kind of temperature control equipment, includes two aspects of temperature control of heating and freezing, can improve the forming efficiency of product while reducing the generation of defective product, while can reduce energy consumption, save energy.

[0003] However, the existing mould temperature controller has the following problems: high energy consumption: the heat dissipation efficiency of traditional air-cooled mould temperature controller is low, and it needs to run continuously at high power under high temperature working condition; Low die change efficiency: there is water in the fluid channel inside the mould, which is easy to form scale in the fluid channel, causing blockage flow and temperature fluctuation, single temperature control channel cannot meet the differentiated flow and temperature demand of complex mould, affecting product forming quality; Lack of integrated design: gas blowing, pressure keeping and temperature control functions are separated, system integration is low, and space occupation is large. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem to provide a kind of embedded water-cooling gas pressure-keeping multifunctional mould temperature controller, and integration is high, and space occupation is small, and energy consumption is low, can quickly reduce mould temperature, make mould keep flow and temperature constant in the use process, mould can empty the water in mould fluid channel after use.

[0005] To solve the above technical problems, the technical scheme of the utility model is:

[0006] The utility model provides a kind of embedded water-cooling blow gas pressure-keeping multifunctional mould temperature controller, including: water-cooling system, blow gas pressure-keeping system, intelligent control system, the water-cooling system includes water tank and with the inner circulation system, outer circulation system of water tank connection, the inner circulation system includes inner circulation pipeline and is set on the inner circulation pipeline inner circulation pump, water flow switch, the outer circulation system includes outer circulation pipeline and is set on the outer circulation pipeline outer circulation pump, flowmeter, first temperature sensor, pressure sensor, first ball valve, second ball valve and external device, integrated with coil in the water tank, the coil is connected with cooling water by water inlet pipe, water outlet pipe respectively arranged on the top of the water tank, second temperature sensor, proportional valve are respectively arranged on the water inlet pipe, the blow gas pressure-keeping system includes first pneumatic control angle valve, second pneumatic control angle valve, gas source processor, solenoid valve, wherein, first pneumatic control angle valve, second pneumatic control angle valve are arranged on the outer circulation pipeline, first pneumatic control angle valve, second pneumatic control angle valve are connected with valve island by corresponding pipeline respectively, the intelligent control system is adjusted the speed of inner circulation pump, outer circulation pump and the opening of proportional valve by PID algorithm, the water-cooling system is connected with the pipeline of blow gas pressure-keeping system, the water-cooling system, blow gas pressure-keeping system are electrically connected with the intelligent control system respectively.

[0007] In the above structure, the water tank is provided with a heater, the heater is arranged apart from the coil, the heater is electrically connected with the intelligent control system, and the water-cooling system cools by non-contact heat exchange.

[0008] In the above structure, the first pneumatic control angle valve and the second pneumatic control angle valve are connected with the valve island through the first pipeline and the second pipeline respectively, the gas source processor is connected with the outer circulation pipeline through the gas pipe, the solenoid valve and the pressure switch are arranged on the gas pipe respectively, and the pressure switch is located between the gas source processor and the solenoid valve.

[0009] In the above structure, the third pneumatic control angle valve and the fourth pneumatic control angle valve are further included, the first ends of the third pneumatic control angle valve and the fourth pneumatic control angle valve are connected with the valve island through the third pipeline and the fourth pipeline respectively, the second ends of the third pneumatic control angle valve and the fourth pneumatic control angle valve are connected with the inner circulation pipeline, and the third end of the fourth pneumatic control angle valve is connected with the liquid discharge pipe of the external device.

[0010] In the above structure, the outer circulation pipeline includes an outer circulation water inlet pipeline and an outer circulation water outlet pipeline, the outer circulation water inlet pipeline and the outer circulation water outlet pipeline are connected with the water tank and the external device respectively, the first ball valve is arranged on the outer circulation water inlet pipeline, and the outer circulation pump, the flowmeter, the second temperature sensor, the pressure sensor and the second ball valve are arranged on the outer circulation water outlet pipeline respectively, and the outer circulation pump, the flowmeter, the second temperature sensor and the pressure sensor are electrically connected with the intelligent control system respectively.

[0011] The conductivity meter is arranged at the lower part of the water tank and is electrically connected with the intelligent control system.

[0012] In the structure, the blowing and pressure maintaining system uses high-pressure nitrogen to blow the residual liquid, the pressure range of the blowing and pressure maintaining system is 0.4-0.8 MPa, and the liquid recovery rate is greater than or equal to 99%.

[0013] In the structure, the temperature control precision of the intelligent control system is ±0.1℃, and the flow fluctuation is less than or equal to ±0.5 L / min.

[0014] The embedded water cooling blowing and pressure maintaining multifunctional mold temperature controller has the advantages that:

[0015] The water tank and the coil pipe are integrally arranged, non-contact heat exchange is carried out between the plant water and the circulating water, the cooling efficiency is increased by 40%, the energy consumption is reduced by 30%, instantaneous cooling is supported, the residual liquid in the mold is blown back to the water storage tank by high-pressure nitrogen (0.4-0.8 MPa), the liquid recovery rate is greater than or equal to 99%, the set pressure is maintained in the pressure maintaining stage to rapidly detect the sealing performance of the pipeline, double protection is ensured to test safety, the circulating pump speed is adjusted by using a PID algorithm to stabilize the flow, the temperature, pressure and flow parameters can be monitored in real time, and the safety mode is automatically switched when an abnormality occurs. The embedded water cooling blowing and pressure maintaining multifunctional mold temperature controller has the advantages of high integration, small occupied space, low energy consumption, high temperature control precision, safety and reliability, the mold temperature can be quickly reduced, the flow and temperature of the mold can be kept constant in the use process, and the water liquid in the fluid channel of the mold can be emptied after the mold is used. The comprehensive energy efficiency ratio (COP) of the water cooling system reaches 4.2, is increased by 50% compared with a traditional model, the mold changing time is shortened to 2 minutes due to liquid recovery by blowing, liquid loss is reduced by 90%, the temperature control precision is ±0.1℃, the flow fluctuation is less than or equal to ±0.5 L / min, and the product qualified rate is increased to 98%. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a principle structure diagram of the embedded water cooling blowing and pressure maintaining multifunctional mold temperature controller.

[0017] In the figure, 1 is a water tank, 2 is a coil pipe, 3 is an inner circulating pump, 4 is a water flow switch, 5 is an outer circulating pump, 6 is a flow meter, 7 is a first temperature sensor, 8 is a pressure sensor, 9 is a first ball valve, 10 is a second ball valve, 11 is an external device, 12 is a second temperature sensor, 13 is a proportional valve, 14 is a first pneumatic control angle valve, 15 is a second pneumatic control angle valve, 16 is a gas source processor, 17 is an electromagnetic valve, 18 is a valve island, 19 is a heater, 20 is a pressure switch, 21 is a third pneumatic control angle valve, 22 is a fourth pneumatic control angle valve, 23 is a conductivity meter, and 24 is a water supplement opening. DETAILED DESCRIPTION

[0018] The specific embodiments of the utility model will be further described below with reference to the drawings. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation on the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0019] As shown in Figure 1 A kind of embedded water-cooling blow pressure maintaining multifunctional mold temperature controller, including: water cooling system, blow pressure maintaining system, intelligent control system, water cooling system includes water tank 1 and with water tank 1 connection's inner circulation system, outer circulation system, inner circulation system includes inner circulation pipeline and is set on inner circulation pipeline inner circulation pump 3, water flow switch 4, outer circulation system includes outer circulation pipeline and is set on outer circulation pipeline's outer circulation pump 5, flowmeter 6, first temperature sensor 7, pressure sensor 8, first ball valve 9, second ball valve 10 and external device 11, water tank 1 is integrally provided with coil pipe 2, coil pipe 2 is connected with cooling water by water inlet pipe and water outlet pipe arranged at the top of water tank 1 respectively, second temperature sensor 12 and proportional valve 13 are respectively arranged on water inlet pipe, blow pressure maintaining system includes first pneumatic control angle valve 14, second pneumatic control angle valve 15, gas source processor 16, solenoid valve 17, wherein, first pneumatic control angle valve 14, second pneumatic control angle valve 15 are all arranged on outer circulation pipeline, first pneumatic control angle valve 14, second pneumatic control angle valve 15 are connected with valve island 18 by corresponding pipeline respectively, intelligent control system is adjusted by PID algorithm the rotating speed of inner circulation pump 3, outer circulation pump 5 and proportional valve 13 opening degree, water cooling system and blow pressure maintaining system pipeline connection, water cooling system, blow pressure maintaining system are electrically connected with intelligent control system respectively.

[0020] Specifically, in the embodiment, the water tank and the coil pipe are integrally arranged, the upper portion of the water tank 1 is provided with a water supplementing port 24, and the water tank is filled with water through the water supplementing port. The coil pipe 2 is connected with the factory cooling water through the water inlet pipe and the water outlet pipe arranged at the top of the water tank 1. The comprehensive energy efficiency ratio (COP) of the embedded water-cooling is 4.

[0021] Specifically, in the embodiment, the external device 11 is a mold to be cleaned.

[0022] In the preferred embodiment of the utility model, the water tank 1 is provided with a heater 19, the heater 19 is arranged at intervals with the coil pipe 2, the heater 19 is electrically connected with the intelligent control system, and the water cooling system realizes cooling through non-contact heat exchange.

[0023] Specifically, in the embodiment, the water tank 1 is provided with a heater 19, and the coil pipe 2 controls the water temperature and the opening degree through the second temperature sensor 12 and the proportional valve 13 connected with the intelligent control system, so as to achieve the purpose of constant temperature.

[0024] In the preferred embodiment of the utility model, the first gas control angle valve 13 and the second gas control angle valve 14 are connected with the valve island 18 through the first pipeline and the second pipeline respectively, the air source processor 16 is connected with the external circulation pipeline through the air pipe, the electromagnetic valve 17 and the pressure switch 20 are arranged on the air pipe, and the pressure switch 20 is located between the air source processor 16 and the electromagnetic valve 17.

[0025] Specifically, in the embodiment, high-pressure nitrogen enters the pipeline through the air source filter 16 and the electromagnetic valve 17, drives the residual liquid to flow back, the pressure sensor 8 is used to monitor the sealing property in the pressure maintaining stage, the alarm is triggered when the pressure is abnormal, the set pressure is maintained in the pressure maintaining stage to rapidly detect the sealing property of the pipeline, and the double-effect protection ensures the test safety.

[0026] In the preferred embodiment of the utility model, the third gas control angle valve 21 and the fourth gas control angle valve 22 are further included, the first ends of the third gas control angle valve 21 and the fourth gas control angle valve 22 are connected with the valve island 18 through the third pipeline and the fourth pipeline respectively, the second ends of the third gas control angle valve 21 and the fourth gas control angle valve 22 are connected with the internal circulation pipeline, and the third end of the fourth gas control angle valve 22 is connected with the external liquid discharge pipe.

[0027] Specifically, in the embodiment, the internal circulation pump 3 extracts the liquid in the water tank 1, and the liquid is circulated back through the third gas control angle valve 21.

[0028] In the preferred embodiment of the utility model, the external circulation pipeline includes an external circulation water inlet pipeline and an external circulation water outlet pipeline, the external circulation water inlet pipeline and the external circulation water outlet pipeline are connected with the water tank 1 and the external equipment 11 respectively, the first ball valve 9 is arranged on the external circulation water inlet pipeline, the external circulation pump 5, the flowmeter 6, the second temperature sensor 12, the pressure sensor 8 and the second ball valve 10 are arranged on the external circulation water outlet pipeline, and the external circulation pump 5, the flowmeter 6, the second temperature sensor 12 and the pressure sensor 8 are electrically connected with the intelligent control system.

[0029] In the preferred embodiment of the utility model, the conductivity meter 23 is further included, the conductivity meter 23 is arranged at the lower part of the water tank 1, and the conductivity meter 23 is electrically connected with the intelligent control system.

[0030] In the preferred embodiment of the utility model, the blowing pressure maintaining system uses high-pressure nitrogen to blow the residual liquid, the pressure range of the blowing pressure maintaining system is 0.4-0.8 MPa, and the liquid recovery rate is greater than or equal to 99%.

[0031] In the preferred embodiment of the utility model, the temperature control precision of the intelligent control system is ±0.1 DEG C, and the flow fluctuation is less than or equal to ±0.5 L / min.

[0032] Specifically, in the embodiment, the intelligent control system comprises a main control circuit board, controls the proportional valve 13 and the inner circulating pump 3 in linkage, adjusts the flow and the temperature in real time, and realizes dynamic balance through data feedback of the first temperature sensor 7, the second temperature sensor 12 and the flowmeter 6 to the PID algorithm.

[0033] Working principle of the utility model:

[0034] In the operation process of the mold temperature controller of the utility model, the operation process of the constant temperature system circulation is as follows: the factory cooling water controls the liquid temperature in the water tank 1 through the proportional valve 13, the inner circulating pump 3 pumps the liquid in the water tank 1, the valve island 18 sends a closing signal to the fourth pneumatic control angle valve 22, the liquid flows to the third pneumatic control angle valve 21 and then returns to the water tank 1, and the circulation makes the liquid temperature in the water tank 1 uniform and reaches the temperature control effect.

[0035] Operation process of the blowing and liquid returning system: the valve island 18 sends a closing signal to the first pneumatic control angle valve 14, the gas source passes through the gas source processor 16 and the electromagnetic valve 17 and enters the pipeline, the second pneumatic control angle valve 15 is in a constant opening state, the liquid in the pipeline returns to the water tank 1, and the liquid recovery rate reaches 90%.

[0036] Operation process of the pressure maintaining system: the valve island 18 sends a closing signal to the first pneumatic control angle valve 14 and the second pneumatic control angle valve 15, the gas source passes through the gas source processor 16 and the electromagnetic valve 17 and enters the pipeline, 0.4-0.8 MPa high-pressure nitrogen gas is input into the pipeline, and the pipeline sealing property is detected.

[0037] The comprehensive energy efficiency ratio (COP) of the water cooling system of the utility model reaches 4.2, is improved by 50% compared with the traditional model, the mold changing time is shortened to 2 minutes through the blowing and liquid returning, the liquid loss is reduced by 90%, the temperature control precision is ±0.1 DEG C, the flow fluctuation is less than or equal to ±0.5 L / min, and the product qualified rate is improved to 98%.

[0038] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0039] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication。For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning of the utility model according to specific circumstances.

[0040] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the described embodiments.For those skilled in the art, under the condition of not departing from the principle and spirit of the utility model, various changes, modifications, replacements and modifications are made to these embodiments, still fall within the protection scope of the utility model.

Claims

1. An embedded water-cooled air-blowing and pressure-holding multi-functional mold temperature controller, characterized in that, include: The system comprises a water cooling system, an air-blowing and pressure-holding system, and an intelligent control system. The water cooling system includes a water tank and an internal circulation system and an external circulation system connected to the water tank. The internal circulation system includes an internal circulation pipeline and an internal circulation pump and a flow switch installed on the internal circulation pipeline. The external circulation system includes an external circulation pipeline and an external circulation pump, a flow meter, a first temperature sensor, a pressure sensor, a first ball valve, a second ball valve, and external equipment installed on the external circulation pipeline. A coil is integrated within the water tank, and the coil is connected to the cooling water through an inlet pipe and an outlet pipe located at the top of the water tank. The inlet pipe... The system includes a second temperature sensor and a proportional valve. The air-blowing and pressure-maintaining system comprises a first air-controlled angle valve, a second air-controlled angle valve, an air source processor, and a solenoid valve. The first and second air-controlled angle valves are both installed on the external circulation pipeline and are connected to the valve island via corresponding pipelines. The intelligent control system adjusts the speed of the internal and external circulation pumps and the opening of the proportional valves using a PID algorithm. The water-cooling system is connected to the air-blowing and pressure-maintaining system via pipelines, and the water-cooling system and the air-blowing and pressure-maintaining system are electrically connected to the intelligent control system.

2. The embedded water-cooled air-blowing and pressure-holding multi-functional mold temperature controller according to claim 1, characterized in that, The water tank is equipped with a heater, which is spaced apart from the coil. The heater is electrically connected to the intelligent control system, and the water cooling system achieves cooling through non-contact heat exchange.

3. The embedded water-cooled air-blowing and pressure-holding multi-functional mold temperature controller according to claim 2, characterized in that, The first pneumatic angle valve and the second pneumatic angle valve are connected to the valve island through the first pipeline and the second pipeline, respectively. The air source processor is connected to the external circulation pipeline through the provided air pipe. The solenoid valve and the pressure switch are respectively provided on the air pipe. The pressure switch is located between the air source processor and the solenoid valve.

4. The embedded water-cooled air-blowing and pressure-holding multi-functional mold temperature controller according to claim 3, characterized in that, It also includes a third pneumatic angle valve and a fourth pneumatic angle valve. The first ends of the third and fourth pneumatic angle valves are connected to the valve island through the third and fourth pipelines, respectively. The second ends of the third and fourth pneumatic angle valves are connected to the internal circulation pipeline. The third end of the fourth pneumatic angle valve is connected to the external drain pipe.

5. The embedded water-cooled air-blowing and pressure-holding multi-functional mold temperature controller according to claim 1, characterized in that, The external circulation pipeline includes an external circulation inlet pipeline and an external circulation outlet pipeline. The external circulation inlet pipeline and the external circulation outlet pipeline are respectively connected to the water tank and external equipment. The first ball valve is installed on the external circulation inlet pipeline. The external circulation pump, flow meter, second temperature sensor, pressure sensor, and second ball valve are respectively installed on the external circulation outlet pipeline. The external circulation pump, flow meter, second temperature sensor, and pressure sensor are respectively electrically connected to the intelligent control system.

6. The embedded water-cooled air-blowing and pressure-holding multi-functional mold temperature controller according to claim 1, characterized in that, It also includes a conductivity meter, which is located at the bottom of the water tank and is electrically connected to the intelligent control system.

7. The embedded water-cooled air-blowing and pressure-holding multi-functional mold temperature controller according to claim 1, characterized in that, The purge and pressure holding system uses high-pressure nitrogen to purge residual liquid. The pressure range of the purge and pressure holding system is 0.4 to 0.8 MPa, and the liquid recovery rate is ≥99%.

8. The embedded water-cooled air-blowing and pressure-holding multi-functional mold temperature controller according to claim 1, characterized in that, The temperature control accuracy of the intelligent control system is ±0.1℃, and the flow rate fluctuation is ≤±0.5L / min.

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