Thermal cycle management system for injection molding workshop

Abstract

The utility model discloses a thermal cycle management system for an injection molding workshop, which relates to the technical field of thermal cycle management systems and comprises a closed cooling tower, a water source heat pump, an injection molding machine system, a heating radiator, a water pump, an air energy cold and heat pump set and a pressure valve. A second pipeline is arranged between the closed cooling tower and the heating radiator, a fifth connecting pipeline is arranged between the injection molding machine system and the water source heat pump, and a third pipeline is arranged at one end of the closed cooling tower in a communicating mode. The system can automatically adjust the operation states of heating and cooling according to actual requirements, unnecessary energy waste is greatly reduced, energy consumption of heating in winter and cooling in summer is remarkably reduced by optimizing energy use, energy expenditure in the production process is greatly reduced, and therefore cost is reduced, and product competitiveness is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a thermal cycle management system technical field, specifically a kind of injection molding workshop thermal cycle management system. BACKGROUND

[0002] Injection molding workshop is a special industrial workshop for injection molding production process, mainly used for producing plastic products. Injection molding is a production process that melts plastic at high temperature, injects it into a mold, and forms a specific shape by cooling and solidifying. Injection molding workshop is usually a place for mass production of plastic parts and products, such as daily-use plastic products, automobile parts, electronic product housings, medical devices, etc.

[0003] The prior art can arrange multiple groups of radiators in the workshop to provide heating in winter, but this is too costly, resulting in high product allocation costs and reduced competitiveness. Therefore, the skilled person in the art provides an injection molding workshop thermal cycle management system to solve the problems raised in the above background technology. UTILITY MODEL CONTENT

[0004] The utility model aims to provide an injection molding workshop thermal cycle management system to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An injection molding workshop thermal cycle management system includes a closed cooling tower, a water source heat pump, an injection molding machine system, a radiator, a water pump, an air energy cold and heat pump set, and a pressure valve. The closed cooling tower is connected to the injection molding machine system by a first pipe, and the closed cooling tower is connected to the radiator by a second pipe. The injection molding machine system is connected to the water source heat pump by a connecting pipe five. The closed cooling tower is connected to the third pipe at one end. The third pipe is connected to the connecting pipe five at one end. The water source heat pump is provided with a connecting pipe one and a connecting pipe two. The second pipe is provided with a pressure valve. The first pipe is connected to the injection molding machine system at one end and to the closed cooling tower at the other end. The second pipe is connected to the closed cooling tower at one end and to the radiator at the other end.

[0007] As a further scheme of the utility model, the connecting pipe five is connected to the injection molding machine system at one end and to the water source heat pump at the other end. The first pipe, the third pipe, the connecting pipe four, and the connecting pipe two are all provided with a water pump. The connecting pipe five and the connecting pipe two are provided with a connecting pipe three.

[0008] As a further scheme of the utility model: first electric control valve is fixedly installed on the connecting pipeline five, second electric control valve is fixedly installed on the fourth pipeline, third electric control valve is fixedly installed on the third pipeline, fourth electric control valve is fixedly installed on the connecting pipeline two, fifth electric control valve is fixedly installed on the second pipeline, and sixth electric control valve is fixedly installed on the connecting pipeline three.

[0009] As a further scheme of the utility model: air energy cold heat pump group is arranged on one side of the closed cooling tower, and the radiator can be used as a cooling window or a radiator, one end of the connecting pipeline is communicated and arranged on the water source heat pump, and the other end of the connecting pipeline is communicated and arranged on the second pipeline.

[0010] As a further scheme of the utility model: one end of the connecting pipeline two is communicated and arranged on the water source heat pump, the other end of the connecting pipeline two is communicated and arranged on the pressure valve, the water supplement pipe is communicated and arranged on one side of the pressure valve, the control valve is fixedly installed on the water supplement pipe, one end of the connecting pipeline three is communicated and arranged on the connecting pipeline five, and the other end of the connecting pipeline three is communicated and arranged on the connecting pipeline two.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The system automatically adjusts the operation strategy according to the actual temperature demand of the workshop and equipment, realizes the automatic control of the factory, and reduces the demand for manual intervention through the automatic control of PLC and the sensor, avoids human error operation and the increase of management difficulty.

[0013] 2、Through intelligent transformation of the existing heating pipeline and cooling system, the system can automatically adjust the operation state of heating and cooling according to the actual demand, greatly reduces unnecessary energy waste, and significantly reduces the energy consumption of winter heating and summer cooling through optimization of energy use, greatly reduces the energy expenditure in the production process, and provides ideal working conditions for the injection molding workshop in spring and autumn, especially for the operation of the heat cycle system, in this season, the energy consumption is reduced, the cooling and heating load is reduced, the system operation cost is reduced, and the service life of the equipment is prolonged and the comfort of the working environment is improved.

[0014] 3、The energy-saving effect of the system directly reduces the energy consumption, helps to reduce greenhouse gas emissions and resource waste, and has a positive protective effect on the environment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structure schematic view of an injection molding workshop heat cycle management system.

[0016] Fig. 2It is a kind of structure schematic view of connecting pipe five and second pipe in injection workshop heat cycle management system.

[0017] Fig. 3 It is a kind of structure schematic view of summer heat cycle system in injection workshop heat cycle management system.

[0018] Fig. 4 It is a kind of structure schematic view of spring and autumn heat cycle system in injection workshop heat cycle management system.

[0019] Fig. 5 It is a kind of structure schematic view of winter heat cycle system in injection workshop heat cycle management system.

[0020] In the figure: 1, closed cooling tower;2, water source heat pump;3, injection molding machine system;4, radiator;5, water pump;6, air energy cold and heat pump group;7, pressure valve;8, control valve;9, water supplement pipe;10, first pipe;11, second pipe;12, third pipe;13, fourth pipe;14, connecting pipe one;15, connecting pipe two;16, connecting pipe three;17, connecting pipe four;18, connecting pipe five;19, first electric control valve;20, second electric control valve;21, third electric control valve;22, fourth electric control valve;23, fifth electric control valve;24, sixth electric control valve. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] Please refer to Figs. 1-5The utility model discloses an injection workshop thermal cycle management system, including closed cooling tower 1, water source heat pump 2, injection molding machine system 3, radiator 4, water pump 5, air energy cold -heat pump group 6 and pressure valve 7, be provided with first pipeline 10 between closed cooling tower 1 and injection molding machine system 3, be provided with second pipeline 11 between closed cooling tower 1 and radiator 4, be provided with connecting pipeline five 18 between injection molding machine system 3 and water source heat pump 2, one end of closed cooling tower 1 is communicated and is provided with third pipeline 12, wherein one end of third pipeline 12 is communicated and is arranged on connecting pipeline five 18, be provided with connecting pipeline one 14 and connecting pipeline two 15 on water source heat pump 2, be provided with pressure valve 7 on second pipeline 11, one end of first pipeline 10 is communicated with injection molding machine system 3, the other end of first pipeline 10 is communicated with closed cooling tower 1, one end of second pipeline 11 is communicated with closed cooling tower 1, the other end of second pipeline 11 is communicated with radiator 4, one end of connecting pipeline five 18 is communicated with injection molding machine system 3, the other end of connecting pipeline five 18 is communicated with water source heat pump 2, be provided with water pump 5 on first pipeline 10, third pipeline 12, connecting pipeline four 17 and connecting pipeline two 15 all fixed installation, be provided with connecting pipeline three 16 between connecting pipeline five 18 and connecting pipeline two 15, be provided with first electric control valve 19 on connecting pipeline five 18 fixed installation, be provided with second electric control valve 20 on fourth pipeline 13 fixed installation, be provided with third electric control valve 21 on third pipeline 12 fixed installation, be provided with fourth electric control valve 22 on connecting pipeline two 15 fixed installation, be provided with fifth electric control valve 23 on second pipeline 11 fixed installation, be provided with sixth electric control valve 24 on connecting pipeline three 16 fixed installation, be provided with air energy cold -heat pump group 6 on one side of closed cooling tower 1, radiator 4 is also cold air window, wherein radiator 4 can be used as cooling window or radiator 4, one end of connecting pipeline one 14 is communicated and is arranged on water source heat pump 2, the other end of connecting pipeline one 14 is communicated and is arranged on second pipeline 11, one end of connecting pipeline two 15 is communicated and is arranged on water source heat pump 2, the other end of connecting pipeline two 15 is communicated and is arranged on pressure valve 7, be provided with water supplement pipe 9 on one side of pressure valve 7 communicated, be provided with control valve 8 on water supplement pipe 9 fixed installation, one end of connecting pipeline three 16 is communicated and is arranged on connecting pipeline five 18, the other end of connecting pipeline three 16 is communicated and is arranged on connecting pipeline two 15.

[0023] The working principle of the utility model is: system through PLC and sensor, realize automatic control, in summer (temperature is greater than 30 degrees), first, fifth, sixth electric control valve is closed, second, third, fourth electric control valve is opened, injection molding machine water circulation: injection molding machine hot water through water pump 5 enters closed cooling tower 1 water tank circulation cooling, cold water returns injection molding machine, realizes equipment water circulation;When injection molding machine production circulating water temperature is greater than 35 degrees, air energy cold pump group starts, supplements cooling tower cold water to satisfy injection molding machine cooling water circulation;Workshop cooling circulation: cooling tower cold water through water pump 5 enters water source heat pump 2 and carries out heat exchange, hot water returns cooling tower water tank, water source heat pump 2 cooling cold water through water pump 5 flows to workshop cold air window and realizes workshop cooling, cold air window high temperature backwater returns to water source heat pump 2 and carries out next cycle;In winter (temperature is less than 2 degrees): first, fourth electric control valve is opened, second, third, fifth, sixth electric control valve is closed, injection molding machine water circulation: injection molding machine hot water through water pump 5 enters water source heat pump 2 and carries out circulation cooling treatment, cold water returns cooling tower, and flows back injection molding machine, realizes equipment water circulation;Workshop heating circulation: water source heat pump 2 extracts heat and raises temperature hot water, and injects into workshop radiator 4 system, realizes workshop heating, and radiator 4 low temperature backwater returns water source heat pump 2 and carries out next cycle, when injection molding machine does not produce, water source heat pump 2 extracts temperature and exports water temperature less than 4 degrees, air energy heat pump group starts, supplements cooling tower temperature water and satisfies workshop radiator system water circulation;In spring and autumn, first, second, third, third electric control valve is closed, fifth, sixth electric control valve is opened, injection molding machine hot water through water pump 5 passes through water source heat pump 2, flows through workshop radiator 4 system, and low temperature water after radiator 4 heat dissipation returns cooling tower water tank, and then is injected into injection molding machine through water pump 5, realizes equipment water circulation (water source heat pump 2 is not opened, only water source heat pump 2 and injection molding machine water circulation are connected in series).

[0024] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description of the specification is only for the sake of clarity, the skilled person should consider the specification as a whole, the technical solutions in each embodiment can also be combined appropriately to form other embodiments that the skilled person can understand.

Claims

1. An injection molding plant heat cycle management system comprising a closed cooling tower (1), a water source heat pump (2), an injection molding machine system (3), a radiator (4), a water pump (5), an air energy cold and heat pump group (6) and a pressure valve (7), characterized in that, The closed cooling tower (1) is provided with a first pipeline (10) between the injection molding machine system (3), a second pipeline (11) between the closed cooling tower (1) and the radiator (4), a connecting pipeline five (18) between the injection molding machine system (3) and the water source heat pump (2), a third pipeline (12) is communicated at one end of the closed cooling tower (1), wherein the third pipeline (12) is communicated at one end of the connecting pipeline five (18), the water source heat pump (2) is provided with a connecting pipeline one (14) and a connecting pipeline two (15), the second pipeline (11) is provided with a pressure valve (7), the connecting pipeline five (18) and the connecting pipeline two (15) are provided with a connecting pipeline three (16), the first pipeline (10), the third pipeline (12), the connecting pipeline four (17) and the connecting pipeline two (15) are all fixedly installed with a water pump (5), the connecting pipeline five (18) is fixedly installed with a first electric control valve (19), the fourth pipeline (13) is fixedly installed with a second electric control valve (20), the third pipeline (12) is fixedly installed with a third electric control valve (21), the connecting pipeline two (15) is fixedly installed with a fourth electric control valve (22), the second pipeline (11) is fixedly installed with a fifth electric control valve (23), the connecting pipeline three (16) is fixedly installed with a sixth electric control valve (24), and the closed cooling tower (1) is provided with an air energy cold and heat pump group (6) on one side.

2. A hot cycle management system for an injection molding plant as defined in claim 1, wherein, The first pipeline (10) is communicated at one end with the injection molding machine system (3), and the other end of the first pipeline (10) is communicated with the closed cooling tower (1).

3. A hot cycle management system for an injection molding plant as defined in claim 1, wherein, The second pipeline (11) is communicated at one end with the closed cooling tower (1), and the other end of the second pipeline (11) is communicated with the radiator (4).

4. The injection molding plant thermal cycle management system of claim 1, wherein, The connecting pipeline five (18) is communicated at one end with the injection molding machine system (3), and the other end of the connecting pipeline five (18) is communicated with the water source heat pump (2).

5. The injection molding plant thermal cycle management system of claim 1, wherein, The radiator (4) is also a cold air window.

6. The injection molding plant thermal cycle management system of claim 1, wherein, The connecting pipeline one (14) is communicated at one end on the water source heat pump (2), and the other end of the connecting pipeline one (14) is communicated on the second pipeline (11).

7. The injection molding plant thermal cycle management system of claim 1, wherein, The connecting pipeline two (15) is communicated at one end on the water source heat pump (2), and the other end of the connecting pipeline two (15) is communicated on the pressure valve (7).

8. The injection molding plant thermal cycle management system of claim 1, wherein, The pressure valve (7) is communicated on one side with a water supplement pipe (9), and the water supplement pipe (9) is fixedly installed with a control valve (8).

9. The injection molding plant thermal cycle management system of claim 1, wherein, The connecting pipeline three (16) is communicated at one end on the connecting pipeline five (18), and the other end of the connecting pipeline three (16) is communicated on the connecting pipeline two (15).

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