CN108407241B - Cooling system for injection molding workshop - Google Patents
Cooling system for injection molding workshop Download PDFInfo
- Publication number
- CN108407241B CN108407241B CN201810435300.0A CN201810435300A CN108407241B CN 108407241 B CN108407241 B CN 108407241B CN 201810435300 A CN201810435300 A CN 201810435300A CN 108407241 B CN108407241 B CN 108407241B
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- water
- water inlet
- pipe
- water outlet
- outlet pipe
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a cooling system for an injection molding workshop, which belongs to the technical field of energy conservation and environmental protection, and particularly relates to a cooling system for an injection molding workshop, comprising a water chilling unit, a freezing water tank, injection molding equipment and a cooling water tower, wherein a water inlet of the water chilling unit is connected with a water outlet of a condenser through a pipeline, a cold water outlet of the water chilling unit is connected with a first water outlet pipe through a flange, the right end of the first water outlet pipe is connected with a cold water inlet of the freezing water tank, a hot water outlet of the freezing water tank is connected with a first water inlet pipe, the left end of the first water inlet pipe is connected with a hot water inlet of the water chilling unit, a cold water outlet of the freezing water tank is connected with a second water outlet pipe through a flange, and a temperature detector is arranged on a pipeline of the second water outlet pipe.
Description
Technical Field
The invention relates to the technical field of energy conservation and environmental protection, in particular to a cooling system for an injection molding workshop.
Background
Injection molding is a method for producing and shaping industrial products. Products are generally molded using rubber and plastic. Injection molding can also be divided into injection molding compression molding and die casting. The mold is typically water cooled to accelerate the injection rate.
The existing cooling water of the injection molding plant is used for cooling the water chiller by using the cooling water tower, the water chiller is used for cooling the injection molding machine die, the cooling tower and the water chiller are operated 24 hours a day, and the electric energy consumption is high.
Disclosure of Invention
The invention aims to provide a cooling system for an injection molding workshop, which aims to solve the problems that the cooling water of the existing injection molding workshop, which is proposed in the background technology, is used for cooling a water chiller by a cooling water tower, and then the water chiller is used for cooling a mold of the injection molding machine, and the cooling tower and the water chiller are operated for 24 hours a day, so that the electric energy consumption is high.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a cooling system for injection molding workshop, includes cooling water set, freezing water tank, injection molding equipment and cooling tower, the water inlet of cooling water set passes through the delivery port of pipeline and condenser to be connected, the cold water outlet of cooling water set has first outlet pipe through flange joint, the right-hand member of first outlet pipe is connected with the cold water import of freezing water tank, be connected with first inlet tube on the hot water outlet of freezing water tank, the left end of first inlet tube is connected with the hot water import of cooling water set, there is the second outlet pipe through flange joint on the cold water outlet of freezing water tank, install the temperature detector on the pipeline of second outlet pipe, the right-hand member of second outlet pipe is connected with the water course import of injection molding equipment, install first switching valve on the pipeline of second inlet pipe, the left end of second inlet pipe is connected with the hot water import of freezing water tank, the third outlet pipe is located the right side of first switching valve, install the third inlet pipe is connected with the third inlet pipe, the third water pump is located the third inlet pipe is connected with the third inlet pipe, the third inlet pipe is connected with the fourth inlet pipe, the cold water pump is located the third inlet pipe is connected with the fourth inlet pipe through the third inlet pipe, a hot water outlet of the condenser is connected with a fourth water outlet pipe through a flange, a second shut-off valve and a second water pump are arranged on a pipeline of the fourth water outlet pipe, the second shut-off valve is positioned at one side of the outlet of the second water pump, and the bottom end of the fourth water outlet pipe is connected with a pipeline of a third water outlet pipe through a three-way pipe;
the first water outlet pipe and the first water inlet pipe are respectively provided with a stop valve;
the cold water inlet of the freezing water tank is Y-shaped, and inlets at two sides of the Y-shaped cold water inlet of the freezing water tank are respectively connected with the first water outlet pipe and the third water inlet pipe.
Preferably, the left side of the pipeline of the third water inlet pipe is connected with a water supplementing valve through a three-way pipe.
Compared with the prior art, the invention has the beneficial effects that: the scheme adopts the winter and summer temperature difference condition to switch on the existing cold water system, thereby meeting the temperature requirement of the injection molding process and further achieving the effect of saving electric energy.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
In the figure: the water cooling device comprises a water chilling unit 1, a condenser 2, a first water outlet pipe 3, a freezing water tank 4, a first water inlet pipe 5, a second water outlet pipe 6, a temperature detector 7, injection molding equipment 8, a second water inlet pipe 9, a first switching valve 10, a third water outlet pipe 11, a second switching valve 12, a cooling water tower 13, a third water inlet pipe 14, a water supplementing valve 15, a third switching valve 16, a fourth water inlet pipe 17, a first cut-off valve 18, a fourth water outlet pipe 19 and a second cut-off valve 20.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: a cooling system for an injection molding workshop comprises a water chilling unit 1, a freezing water tank 4, injection molding equipment 8 and a cooling water tower 13, wherein a water inlet of the water chilling unit 1 is connected with a water outlet of a condenser 2 through a pipeline, a cold water outlet of the water chilling unit 1 is connected with a first water outlet pipe 3 through a flange, the right end of the first water outlet pipe 3 is connected with a cold water inlet of the freezing water tank 4, a hot water outlet of the freezing water tank 4 is connected with a first water inlet pipe 5, the left end of the first water inlet pipe 5 is connected with a hot water inlet of the water chilling unit 1, a cold water outlet of the freezing water tank 4 is connected with a second water outlet pipe 6 through a flange, a temperature detector 7 is arranged on a pipeline of the second water outlet pipe 6, the right end of the second water outlet pipe 6 is connected with a water channel inlet of the injection molding equipment 8, a water channel outlet of the injection molding equipment 8 is connected with a second water inlet pipe 9 through a flange, a first switching valve 10 is arranged on a pipeline of the second water inlet pipe 9, the left end of the second water inlet pipe 9 is connected with a hot water inlet of the freezing water tank 4, the lower side of the second water inlet pipe 9 is connected with a third water outlet pipe 11 through a three-way pipe, the third water outlet pipe 11 is positioned on the right side of the first switching valve 10, a second switching valve 12 is arranged on a pipeline of the third water outlet pipe 11, the left end of the third water outlet pipe 11 is connected with the hot water inlet of the cooling water tower 13, a third water inlet pipe 14 is connected with a cold water outlet of the cooling water tower 13 through a flange, a third switching valve 16 is arranged on a pipeline of the third water inlet pipe 14, the right end of the third water inlet pipe 14 is connected with the cold water inlet of the freezing water tank 4, the upper side of the third water inlet pipe 14 is connected with a fourth water inlet pipe 17 through a three-way pipe, a first switching valve 18 and a first water pump are arranged on a pipeline of the fourth water inlet pipe 17, the first switching valve 18 is positioned on one side of the inlet of the first water pump, and the outlet of the first water pump is connected with the cold water inlet of the condenser 2, the hot water outlet of the condenser 2 is connected with a fourth water outlet pipe 19 through a flange, a second shut-off valve 20 and a second water pump are arranged on a pipeline of the fourth water outlet pipe 19, the second shut-off valve 20 is positioned on one side of the outlet of the second water pump, and the bottom end of the fourth water outlet pipe 19 is connected with a pipeline of the third water outlet pipe 11 through a three-way pipe.
Wherein, all install the stop valve on the pipeline of first outlet pipe 3 and first inlet tube 5, the cold water import of freezing water tank 4 is the Y type, and the Y type cold water import both sides import of freezing water tank 4 is connected with first outlet pipe 3, third inlet tube 14 respectively, and the left side is connected with supplementary water valve 15 through the three-way pipe on the pipeline of third inlet tube 14.
The summer use: the stop valves on the first water outlet pipe 3 and the first water inlet pipe 5 are opened, the water chilling unit 1 cools the cooling water, the cooled cooling water enters the freezing water tank 4 through the first water outlet pipe 3, the freezing water tank 4 conveys the cooling water into the injection molding equipment 8 through the second water outlet pipe 6 for cooling the water, the second switching valve 12 and the third switching valve 16 are closed, all other valves are opened, hot water enters the hot water inlet of the freezing water tank 4 through the second water inlet pipe 9, the freezing water tank 4 returns the hot water to the hot water inlet of the water chilling unit 1 through the first water inlet pipe 5, the condenser 2 pumps the hot water in the water chilling unit 1 out through the second water pump and enters the cooling water tower 13 through the fourth water outlet pipe 19, the cooling water returns to the water chilling unit 1 through the third water inlet pipe 14 and the fourth water inlet pipe 17 under the action of the first water pump, and then the cooling water is output through the first water outlet pipe 3, and the circulation is completed;
the winter use: when the temperature of the continuous 10 balance is lower than 12 ℃ through the temperature detector 7 to the water temperature measurement in the pipeline of the second water outlet pipe 6, the stop valves on the first water outlet pipe 3 and the first water inlet pipe 5 are closed, the first switching valve 10, the first switching valve 18 and the fourth water outlet pipe 19 are closed, the second switching valve 12 and the third switching valve 16 are opened, cooling water in the cooling water tower 13 is output to the cold water inlet of the freezing water tank 4 through the third water inlet pipe 14, the cooling water enters the injection molding equipment 8 through the second water outlet pipe 6, and hot water after cooling in the injection molding equipment 8 flows back to the cooling water tower 13 through the second water inlet pipe 9 and the third water outlet pipe 11, so that circulation is completed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. A cooling system for injection molding workshop, includes cooling water set (1), freezing water tank (4), injection molding equipment (8) and cooling tower (13), its characterized in that: the water inlet of the water chilling unit (1) is connected with the water outlet of the condenser (2) through a pipeline, the cold water outlet of the water chilling unit (1) is connected with a first water outlet pipe (3) through a flange, the right end of the first water outlet pipe (3) is connected with the cold water inlet of the freezing water tank (4), the hot water outlet of the freezing water tank (4) is connected with a first water inlet pipe (5), the left end of the first water inlet pipe (5) is connected with the hot water inlet of the water chilling unit (1), the cold water outlet of the freezing water tank (4) is connected with a second water outlet pipe (6) through a flange, the pipeline of the second water outlet pipe (6) is provided with a temperature detector (7), the right end of the second water outlet pipe (6) is connected with the water inlet of the injection molding equipment (8), the water outlet of the injection molding equipment (8) is connected with a second water inlet pipe (9) through a pipeline, the left end of the second water inlet pipe (9) is connected with the hot water inlet of the freezing water tank (4), the lower side of the second water inlet pipe (9) is connected with a third water outlet pipe (11) through a third switch valve (11), the left end of the third water outlet pipe (11) is connected with a hot water inlet of the cooling water tower (13), a third water inlet pipe (14) is connected to a cold water outlet of the cooling water tower (13) through a flange, a third switching valve (16) is arranged on a pipeline of the third water inlet pipe (14), the right end of the third water inlet pipe (14) is connected with a cold water inlet of the chilled water tank (4), a fourth water inlet pipe (17) is connected to the upper side of the third water inlet pipe (14) through a three-way pipe, a first cut-off valve (18) and a first water pump are arranged on a pipeline of the fourth water inlet pipe (17), an outlet of the first water pump is connected with a cold water inlet of the condenser (2), a fourth water outlet pipe (19) is connected to a hot water outlet of the condenser through a flange, a second cut-off valve (20) and a second water pump are arranged on a pipeline of the fourth water outlet pipe (19), and the second cut-off valve (20) is arranged on one side of the second water pump outlet and the bottom end of the fourth water outlet pipe (19) is connected with the third water outlet pipe (11) through the third water outlet pipe;
stop valves are arranged on the pipelines of the first water outlet pipe (3) and the first water inlet pipe (5);
the cold water inlet of the freezing water tank (4) is Y-shaped, and inlets at two sides of the Y-shaped cold water inlet of the freezing water tank (4) are respectively connected with the first water outlet pipe (3) and the third water inlet pipe (14).
2. A cooling system for an injection molding plant according to claim 1, wherein: the left side of the pipeline of the third water inlet pipe (14) is connected with a water supplementing valve (15) through a three-way pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810435300.0A CN108407241B (en) | 2018-05-09 | 2018-05-09 | Cooling system for injection molding workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810435300.0A CN108407241B (en) | 2018-05-09 | 2018-05-09 | Cooling system for injection molding workshop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108407241A CN108407241A (en) | 2018-08-17 |
| CN108407241B true CN108407241B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810435300.0A Active CN108407241B (en) | 2018-05-09 | 2018-05-09 | Cooling system for injection molding workshop |
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| Country | Link |
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| CN (1) | CN108407241B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111002551B (en) * | 2020-01-07 | 2021-10-19 | 东莞市美赛特自动化设备有限公司 | Special high accuracy mould temperature controller of optical lens |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103141571A (en) * | 2013-03-13 | 2013-06-12 | 无锡中粮工程科技有限公司 | Single-refrigeration water-source heat pump grain cooling unit |
| CN203116372U (en) * | 2013-03-11 | 2013-08-07 | 陕西省电力设计院 | Combined type heat recovery equipment |
| CN203994596U (en) * | 2014-08-04 | 2014-12-10 | 吴祖能 | The water channel separate type system of glass cement body mould |
| CN204268783U (en) * | 2014-11-13 | 2015-04-15 | 湖南凯利制冷设备有限公司 | A kind of industrial energy saving refrigeration system |
| JP2016148475A (en) * | 2015-02-12 | 2016-08-18 | 株式会社 大阪テクノクラート | Hybrid air conditioning system |
-
2018
- 2018-05-09 CN CN201810435300.0A patent/CN108407241B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203116372U (en) * | 2013-03-11 | 2013-08-07 | 陕西省电力设计院 | Combined type heat recovery equipment |
| CN103141571A (en) * | 2013-03-13 | 2013-06-12 | 无锡中粮工程科技有限公司 | Single-refrigeration water-source heat pump grain cooling unit |
| CN203994596U (en) * | 2014-08-04 | 2014-12-10 | 吴祖能 | The water channel separate type system of glass cement body mould |
| CN204268783U (en) * | 2014-11-13 | 2015-04-15 | 湖南凯利制冷设备有限公司 | A kind of industrial energy saving refrigeration system |
| JP2016148475A (en) * | 2015-02-12 | 2016-08-18 | 株式会社 大阪テクノクラート | Hybrid air conditioning system |
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| Publication number | Publication date |
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| CN108407241A (en) | 2018-08-17 |
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