CN109458732B - Water temperature machine capable of automatically switching positive and negative pressure states - Google Patents
Water temperature machine capable of automatically switching positive and negative pressure states Download PDFInfo
- Publication number
- CN109458732B CN109458732B CN201811434683.6A CN201811434683A CN109458732B CN 109458732 B CN109458732 B CN 109458732B CN 201811434683 A CN201811434683 A CN 201811434683A CN 109458732 B CN109458732 B CN 109458732B
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- water
- negative pressure
- pipe
- mold
- inlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 134
- 230000001502 supplementing effect Effects 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
- F24H9/133—Storage heaters
- F24H9/136—Arrangement of inlet valves used therewith
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
- G01K13/026—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
Abstract
The invention discloses a water temperature machine capable of automatically switching between positive and negative pressure states, which comprises a water tank, a heater, a mold inlet pipe and a mold outlet pipe which are arranged between the water tank and the mold and form a circulating pipeline, a circulating pump arranged on the mold inlet pipe and a suction pump arranged on the mold outlet pipe, wherein the mold inlet pipe is connected with the mold outlet pipe through a pipeline; the negative pressure water inlet/air inlet shared pipe is led out from the lower stream of the circulating pump on the mold inlet pipe, the other end of the negative pressure water inlet/air inlet shared pipe is communicated with the water tank pipeline, a negative pressure working two-way valve is arranged on the communicating pipeline, the other end of the negative pressure water inlet/air inlet shared pipe is communicated with an air inlet, and an air inlet electromagnetic valve is arranged on the pipeline communicated with the air inlet. The invention can realize the automatic switching of the water temperature circulating system between the positive pressure circulating mode and the negative pressure circulating mode, can automatically remove water in the mould runner after the shutdown, and improves the application range of the equipment.
Description
[ field of technology ]
The invention belongs to the technical field of a die temperature control system, and particularly relates to a water temperature machine capable of automatically switching between positive and negative pressure states.
[ background Art ]
Temperature control is very widely applied in modern manufacturing industries, such as pharmaceutical and cosmetic reaction kettles and carbon fiber manufacturing temperature control fields. In order to meet the requirements of complexity, precision, light weight, energy saving and environmental protection of modern products.
The temperature control method of the die in the prior art is realized by a method of pressurizing hot water to be more than atmospheric pressure, so that the water in the water temperature control system is forced to flow under the condition of pressurizing, and the positive pressure circulation mode has higher requirements on the structural design of the die, in particular to the temperature control design of some sliding core parts. According to the changes of the model and the structure of the client mould, when the temperature control pipeline in the client mould is thin and long, the phenomenon of unsmooth water flow can be generated by adopting the positive pressure condition to carry out circulating flow, so that the temperature control is not good when the temperature of some moulds with thin and long runners is controlled. In the prior art, a negative pressure water temperature machine is also arranged at the later time, and although the problem of smoothness of circulation of a slender pipeline is solved, the switching requirement of positive pressure circulation and negative pressure circulation of a client cannot be met at the same time. If the requirements of the positive pressure circulation and the negative pressure circulation of the client are required to be met, two water temperature machines are required to be communicated with the mold, the cost is greatly increased, and water in a mold runner cannot be removed after the machine is stopped.
Therefore, it is necessary to provide a new positive-negative pressure dual-state automatic switching water temperature machine to solve the above problems.
[ invention ]
The invention aims to provide a water temperature machine capable of automatically switching between a positive pressure circulation mode and a negative pressure circulation mode, capable of automatically removing water in a mould runner after shutdown and capable of improving the application range of equipment.
The invention realizes the aim through the following technical scheme: the water temperature machine comprises a water tank, a heater, a mold inlet pipe and a mold outlet pipe which are arranged between the water tank and the mold and form a circulating pipeline, a circulating pump arranged on the mold inlet pipe and a suction pump arranged on the mold outlet pipe; the negative pressure water inlet/air inlet shared pipe is led out from the lower stream of the circulating pump on the mold inlet pipe, the other end of the negative pressure water inlet/air inlet shared pipe is communicated with the water tank pipeline, a negative pressure working two-way valve is arranged on the communicating pipeline, the other end of the negative pressure water inlet/air inlet shared pipe is communicated with an air inlet, and an air inlet electromagnetic valve is arranged on the pipeline communicated with the air inlet.
Further, a three-way valve is arranged between the circulating pump and the negative pressure water inlet/gas outlet shared pipe on the mold inlet pipe, and the water tank is communicated with a third connecting end A of the three-way valve through a first pipeline and is provided with an adjusting valve.
Further, the other two connecting ends AB and B of the three-way valve are respectively connected with the die inlet pipe.
Further, a water supplementing pipe is connected to the water tank, and a water supplementing electromagnetic valve and a first filter are arranged on the water supplementing pipe.
Further, a liquid level switch and a temperature sensor are arranged on the water tank.
Further, a water outlet temperature sensor, a pressure gauge and a water outlet valve are arranged on the mold inlet pipe.
Further, a second filter, a backwater valve and a backwater temperature sensor are arranged on the demolding pipe.
Further, a second pipeline is arranged between the input end of the suction pump and the water tank, and a normally open valve is arranged on the second pipeline.
Compared with the prior art, the water temperature machine capable of automatically switching between positive and negative pressure double states has the beneficial effects that: the automatic switching between the positive pressure working mode and the negative pressure working mode can be performed according to the change of the structure of the client side die, and the water emptying system is arranged, so that water vapor in the die runner can be automatically emptied and dried after the die is stopped, and the service life of the die is prolonged.
[ description of the drawings ]
FIG. 1 is a schematic diagram of a system control according to an embodiment of the present invention;
the figures represent the numbers:
100 positive and negative pressure double-state automatic switching water temperature machine;
1, a water tank; 2 a heater; 3, a mold; 4, feeding a mould pipe; 5, demolding pipe; a circulating pump; 7, sucking a pump; 8 negative pressure water/gas inlet shared pipe; 9, a negative pressure working two-way valve; 10 an air inlet electromagnetic valve; 11, adjusting a valve; 12 water supplementing pipes; 13, a water supplementing valve; 14 a first filter; 15 liquid level switch; a 16 temperature sensor; 17 a water outlet temperature sensor; 18 pressure gauge; 19 a water outlet valve; a second filter 20; 21 a backwater valve; 22 backwater temperature sensor; 23 a first conduit; a second conduit 24; 25 valves; 26 air inlets; 27 three-way valve.
[ detailed description ] of the invention
Examples:
referring to fig. 1, the present embodiment is a water temperature machine 100 with automatic switching between positive and negative pressure, which includes a water tank 1, a heater 2 for heating water in the water tank 1, a mold inlet pipe 4 with one end connected to the bottom of the water tank 1 and the other end connected to a mold 3, a mold outlet pipe 5 with one end connected to the upper part of the water tank 1 and the other end connected to the mold 3, a circulation pump 6 disposed on the mold inlet pipe 4, and a suction pump 7 disposed on the mold outlet pipe 5. A negative pressure water inlet/air inlet shared pipe 8 is led out from the lower stream of the circulating pump 6 on the mold inlet pipe 4, the other end of the negative pressure water inlet/air inlet shared pipe 8 is communicated with the water tank 1 pipeline, a negative pressure working two-way valve 9 is arranged on the communicating pipeline, the other end of the negative pressure water inlet/air inlet shared pipe 8 is communicated with an air inlet 26, an air inlet electromagnetic valve 10 is arranged on the pipeline communicated with the air inlet 26, a three-way valve 27 is arranged between the circulating pump 6 and the position of the negative pressure water inlet/air inlet shared pipe 8 on the mold inlet pipe 4, and a third connecting end A of the water tank 1 and the three-way valve 27 is communicated through a first pipeline 23 and an adjusting valve 11 is arranged on the first pipeline 23. Through setting up first pipeline 23, can let the water of water tank 1 be in circulation state always in the negative pressure work, like this can not only guarantee that the temperature of water tank is more even simultaneously also can guarantee that the water in the water tank flows always when heating pipe work and prolong the heating pipe use, sets up adjusting valve 11 simultaneously for adjustable circulating pressure.
Since the three-way valve 27 is provided on the die inlet pipe 4, the other two connection ends AB, B of the three-way valve 27 are connected to the die inlet pipe 4, respectively.
The water tank 1 is connected with a water supplementing pipe 12, and the water supplementing pipe 12 is provided with a water supplementing solenoid valve 13 and a first filter 14. The water tank 1 is provided with a liquid level switch 15 and a temperature sensor 16.
The die inlet pipe 4 is provided with a water outlet temperature sensor 17, a pressure gauge 18 and a water outlet valve 19. The water pressure and the water temperature in the die pipe 4 are detected.
The mold stripping tube 5 is provided with a second filter 20, a backwater valve 21 and a backwater temperature sensor 22. The water pressure and the water temperature in the die pipe 5 are detected. And the water quality in the circulation line is protected by the second filter 20.
A second pipeline 24 is arranged between the input end of the suction pump 7 and the water tank 1, and a normally open valve 25 is arranged on the second pipeline 24. By providing a second conduit 24 and a normally open valve 25, its functions include: 1) The working performance of the suction pump 7 can be better exerted when the suction pump 7 works; 2) The bypass function is realized during positive pressure operation.
When the positive pressure circulation working mode is needed, the circulation pump 6 works, the AB connecting end and the A connecting end in the three-way valve 27 are communicated, the negative pressure working two-way valve 9 and the air inlet electromagnetic valve 10 are closed, water in the water tank 1 enters the die 3 from the die inlet pipe 4 through the circulation pump 6, the three-way valve 27 and the water outlet valve 19, and then flows back to the water tank 1 from the die outlet pipe 5 through the water return valve 21, and passes through the suction pump 7 to form a positive pressure working circulation system.
When the negative pressure circulation working mode is needed, the suction pump 7 works, the AB connecting end and the B connecting end in the three-way valve 27 are communicated, the negative pressure working two-way valve 9 is opened, the air inlet electromagnetic valve 10 is closed, water in the water tank 1 enters the negative pressure water inlet/air sharing pipe 8 through the negative pressure working two-way valve 9, then enters the mold 3 through the water outlet valve 19 in the mold inlet pipe 4, and then flows back to the water tank 1 from the mold outlet pipe 5 through the water return valve 21 and passes through the suction pump 7 to form a negative pressure working circulation system.
When water in a mold runner needs to be emptied, the suction pump 7 works, the AB connecting end and the B connecting end in the three-way valve 27 are communicated, the negative pressure working two-way valve 9 is closed, the air inlet electromagnetic valve 10 is opened, under the action of air sucked in by the suction pump 7 and the air inlet 26, the air enters the negative pressure water inlet/air sharing pipe 8 through the air inlet electromagnetic valve 10 and then enters the mold inlet pipe 4, enters the mold 3 through the water outlet valve 19, then passes through the backwater valve 21 from the mold outlet pipe 5 and passes through the suction pump 7 to convey the water in the mold 3 into the water tank 1, and residual water drops and water vapor in the mold runner can be completely blown dry through the sucked air, so that the water in the mold runner is emptied.
The positive and negative pressure dual-state automatic switching water temperature machine 100 of the embodiment has the beneficial effects that: the automatic switching between the positive pressure working mode and the negative pressure working mode can be performed according to the change of the structure of the client side die, and the water emptying system is arranged, so that water vapor in the die runner can be automatically emptied and dried after the die is stopped, and the service life of the die is prolonged. In particular, the method comprises the steps of,
1) Negative pressure work is realized through the suction pump, so that water flows in the slender mold runner, and the temperature control of the tiny channel is realized;
2) The temperature control requirement of the movable part in the die is met, and the movable part of the sliding core can be easily cooled through water transmission;
3) The maintenance-free function is realized, and a special treatment method is used for manufacturing a large amount of high negative pressure penetrating through the die, so that the simple and convenient operation of the die structure is more likely to be realized; the mould structure is simplified, so that the cost is reduced;
4) When impurities and accumulated water in a runner of the die are cleaned, external air is filled into the die and the pipeline to take away medium in the die and the pipeline, and the medium is replaced by air;
5) Can be suitable for any product technology, and can be switched at will under the positive pressure and the negative pressure.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (4)
1. The utility model provides a positive negative pressure dual-state automatic switch-over's temperature machine which characterized in that: the mold comprises a water tank, a heater, a mold inlet pipe and a mold outlet pipe which are arranged between the water tank and the mold and form a circulating pipeline, a circulating pump arranged on the mold inlet pipe, and a suction pump arranged on the mold outlet pipe; a negative pressure water inlet/air inlet shared pipe is led out from the lower stream of the circulating pump on the mold inlet pipe, the other end of the negative pressure water inlet/air shared pipe is communicated with the water tank pipeline, a negative pressure working two-way valve is arranged on the communicating pipeline, the other end of the negative pressure water inlet/air shared pipe is communicated with an air inlet, an air inlet electromagnetic valve is arranged on the pipeline communicated with the air inlet, a three-way valve is arranged between the circulating pump and the position where the negative pressure water inlet/air shared pipe is led out on the mold inlet pipe, a third connecting end A of the water tank and the three-way valve is communicated through a first pipeline, an adjusting valve is arranged on the first pipeline, the other two connecting ends AB and B of the three-way valve are respectively connected with the mold inlet pipe, a water outlet temperature sensor, a pressure gauge and a water outlet valve are arranged on the mold inlet pipe, and a second filter, a water return valve and a temperature sensor are arranged on the mold outlet pipe; in the positive pressure circulation working mode, the circulation pump works, the connecting end AB and the connecting end A in the three-way valve are communicated, the negative pressure working two-way valve and the air inlet electromagnetic valve are closed, water in the water tank enters the mould from the mould inlet pipe through the circulation pump, the three-way valve and the water outlet valve, and then flows back into the water tank from the mould outlet pipe through the water return valve through the suction pump, so that a positive pressure working circulation system is formed; when the negative pressure circulation working mode is adopted, the suction pump works, the connecting end AB and the connecting end B in the three-way valve are communicated, the negative pressure working two-way valve is opened, the air inlet electromagnetic valve is closed, water in the water tank enters the negative pressure water inlet/air sharing pipe through the negative pressure working two-way valve, then enters the mold inlet pipe and enters the mold through the water outlet valve, and then flows back to the water tank from the mold outlet pipe through the suction pump through the water return valve, so that the negative pressure working circulation system is formed.
2. The positive and negative pressure dual-state automatic switching water temperature machine as claimed in claim 1, wherein: the water tank is connected with a water supplementing pipe, and the water supplementing pipe is provided with a water supplementing electromagnetic valve and a first filter.
3. The positive and negative pressure dual-state automatic switching water temperature machine as claimed in claim 1, wherein: the water tank is provided with a liquid level switch and a temperature sensor.
4. The positive and negative pressure dual-state automatic switching water temperature machine as claimed in claim 1, wherein: a second pipeline is arranged between the input end of the suction pump and the water tank, and a normally open valve is arranged on the second pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434683.6A CN109458732B (en) | 2018-11-28 | 2018-11-28 | Water temperature machine capable of automatically switching positive and negative pressure states |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434683.6A CN109458732B (en) | 2018-11-28 | 2018-11-28 | Water temperature machine capable of automatically switching positive and negative pressure states |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109458732A CN109458732A (en) | 2019-03-12 |
| CN109458732B true CN109458732B (en) | 2024-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811434683.6A Active CN109458732B (en) | 2018-11-28 | 2018-11-28 | Water temperature machine capable of automatically switching positive and negative pressure states |
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| Country | Link |
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| CN (1) | CN109458732B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6598659B1 (en) * | 1999-04-16 | 2003-07-29 | Bbs Motorsport & Engineering Gmbh | Temperature control unit for dies or molds, particularly for pressure die-casting or injection-molding aluminum and alloys thereof, plastic materials and the like |
| KR20080021421A (en) * | 2006-09-04 | 2008-03-07 | 삼성테크윈 주식회사 | Fluid tightness test apparatus with integrated positive and negative pressurizer |
| CN101181818A (en) * | 2006-11-14 | 2008-05-21 | 三星电子株式会社 | Temperature control system for mold and injection molding method using the same |
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| CN206551440U (en) * | 2017-02-16 | 2017-10-13 | 广州北辰机电设备有限公司 | A kind of mould temperature controller system for possessing pulse backwashing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8114321B2 (en) * | 2005-02-14 | 2012-02-14 | Moldcool International, Llc | Method and apparatus for thermally controlling a mold, die, or injection barrel |
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| US6598659B1 (en) * | 1999-04-16 | 2003-07-29 | Bbs Motorsport & Engineering Gmbh | Temperature control unit for dies or molds, particularly for pressure die-casting or injection-molding aluminum and alloys thereof, plastic materials and the like |
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| CN101181818A (en) * | 2006-11-14 | 2008-05-21 | 三星电子株式会社 | Temperature control system for mold and injection molding method using the same |
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| CN109458732A (en) | 2019-03-12 |
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Address after: Room 3 and 4, 228 Wulian Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: Suzhou Aode high end equipment Co.,Ltd. Address before: Room 3 and 4, 228 Wulian Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: SUZHOU AODE MACHINERY Co.,Ltd. |
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