CN202572919U - Temperature control device for injection mold - Google Patents
Temperature control device for injection mold Download PDFInfo
- Publication number
- CN202572919U CN202572919U CN 201220141869 CN201220141869U CN202572919U CN 202572919 U CN202572919 U CN 202572919U CN 201220141869 CN201220141869 CN 201220141869 CN 201220141869 U CN201220141869 U CN 201220141869U CN 202572919 U CN202572919 U CN 202572919U
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- solenoid directional
- cold
- hot water
- communicated
- directional control
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Abstract
The utility model discloses a temperature control device for an injection mold, which comprises a water inlet pipe and a water outlet pipe, wherein one end of the water inlet pipe is connected with a water inlet of a mold circulation pipeline; one end of the water outlet pipe is connected with a water outlet of the mold circulation pipeline; the other end of the water inlet pipe is connected with a hot water supply pipeline and a cold water supply pipeline through an electromagnetic directional valve at the same time, and is communicated with or not communicated with the hot water supply pipeline or the cold water supply pipeline by switching the electromagnetic directional valve; the other end of the water outlet pipe is connected with the hot water supply pipeline and the cold water supply pipeline through an electromagnetic directional valve at the same time, and is communicated with or not communicated with the hot water supply pipeline or the cold water supply pipeline by switching the electromagnetic directional valve; and both the electromagnetic directional valves are controlled by a controller. Through the adoption of the temperature control device, temperature of the mold can be controlled accurately, and can be increased and lowered fast, so that the product quality is guaranteed, and the production efficiency is improved.
Description
Technical field
The utility model relates to injection mold temperature control technology field, especially a kind of device that utilizes the water circulation that the temperature of mould is controlled.
Background technology
Under the injecting products quality situation that particularly presentation quality is had relatively high expectations or the production cycle is long; In the production process of injecting products, need control the temperature of injection mold; Tradition has three kinds of ways to the temperature control of mould; The one, need to heat up or during cooling through electric heater heat medium (oil or water), mould is heated or cool off through medium, cooling and to heat all be that medium (oil or water) through fixed temperature carries out.Because of the medium that adopts fixed temperature heats simultaneously or cools off; Though the structure of this way mould temperature control device (die heater, cooling-water machine etc.) is simple but the mould temperature control is inaccurate; Can not embody the needs of plastics molding process; Heating or cooling velocity are slow, influence the quality and the production efficiency of product; The 2nd, through electric heater mould is heated when needing to heat up; Feed the cold water cooling through circulation line is set during cooling in mould, though this way cooling velocity is very fast, temperature control still is inaccurate; Be difficult to guarantee the quality of product, attemperating unit power consumption is big simultaneously; The 3rd, circulation line is set in mould when heating up feeds the hot water intensification; Through to mould blowing cooling, though this way temperature control is more accurate, the quality that better guarantees injecting products is presentation quality particularly during cooling; But, influence production efficiency because cooling velocity is slower.
The utility model content
The technical problem that the utility model will solve provides a kind of temperature control equipment of injection mold, can accurately control the temperature of mould, makes the speed of intensification and cooling of mould fast simultaneously, has both guaranteed the quality of product, also enhances productivity.
For achieving the above object; The technical scheme of the utility model is: a kind of temperature control equipment of injection mold; Comprise water inlet pipe, outlet pipe; One end of water inlet pipe connects the water inlet of mould circulation line, and an end of outlet pipe connects the delivery port of mould circulation line, and the other end of water inlet pipe is connected with the cold water supply channel with the hot water feeding pipe road through solenoid directional control valve simultaneously; Switching water inlet pipe through solenoid directional control valve is to be communicated with the hot water feeding pipe road or to be communicated with or not to be communicated with the cold water supply channel; The other end of outlet pipe is connected with the cold-water return pipeline with hot water backwater's pipeline simultaneously through solenoid directional control valve, is to be communicated with hot water backwater's pipeline or with the cold-water return pipeline connection or be not communicated with, the action of all solenoid directional control valves is unified to control by a controller through solenoid directional control valve switching water discharging pipe.
Described controller can come the action of solenoid directional control valve is controlled through the injecting glue signal enabling, realizes control automatically.
Preferred described controller is PLC or single-chip microcomputer, and convenient input program or follow procedure play the parameter of the time point of magnetic valve break-make in the injection signal in advance to different parameter.
Further improve, can be provided with check valve on described hot water feeding pipe road and the cold water supply channel; Can be provided with check valve on described hot water backwater's pipeline and the cold-water return pipeline.
Further improve again; The other end of described water inlet pipe respectively is connected with the cold water supply channel with the hot water feeding pipe road through a solenoid directional control valve, and switching water inlet pipe through solenoid directional control valve separately is to be communicated with the hot water feeding pipe road or to be communicated with or not to be communicated with the cold water supply channel; The other end of described outlet pipe respectively is connected with the cold-water return pipeline with hot water backwater's pipeline simultaneously through a solenoid directional control valve, is to be communicated with hot water backwater's pipeline or with the cold-water return pipeline connection or be not communicated with through solenoid directional control valve switching water discharging pipe separately.Make to the action control of solenoid directional control valve more flexible.
When the circulation line of described mould has many groups; The water inlet of every group of circulation line is connected with the cold water supply channel with the hot water feeding pipe road through solenoid directional control valve through independent water inlet pipe more simultaneously; The delivery port of every group of circulation line is connected with the cold-water return pipeline with hot water backwater's pipeline through solenoid directional control valve through independent outlet pipe more simultaneously, and the action of all solenoid directional control valves is by the unified control of controller; Simultaneously can on described hot water feeding pipe road and cold water supply channel, check valve be set, on described hot water backwater's pipeline and cold-water return pipeline, check valve be set.
The utility model is because water inlet pipe is to be connected with the cold water supply channel with the hot water feeding pipe road simultaneously through solenoid directional control valve; Action through solenoid directional control valve when mould need heat up makes water inlet pipe be communicated with the circulation line feeding hot water to mould with the hot water feeding pipe road; When mould need cool off, the circulation line that water inlet pipe is communicated with the cold water supply channel to mould of the action through solenoid directional control valve fed cold water again, and the hot water through the input suitable temperature and cold water and controller are controlled hot water, cold water circulation timei; Just can accurately control the temperature of mould; Make the speed of intensification and cooling of mould fast simultaneously, both guaranteed the quality of product, also enhance productivity.
Description of drawings
Fig. 1 is first kind of embodiment principle schematic of the utility model;
Fig. 2 is second kind of embodiment principle schematic of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and concrete embodiment the utility model is done further explain.
Embodiment one, shown in Figure 1; A kind of temperature control equipment of injection mold; Comprise water inlet pipe 1, outlet pipe 2, an end of water inlet pipe 1 connects the water inlet of mould 10 circulation lines, and an end of outlet pipe 2 connects the delivery port of mould 10 circulation lines; The other end of water inlet pipe 1 connects hot water feeding pipe road 41 through solenoid directional control valve 31; The other end of water inlet pipe 1 connects cold water supply channel 51 through solenoid directional control valve 32 simultaneously, and switching water inlet pipe 1 through solenoid directional control valve 31 actions is to be communicated with or not to be communicated with hot water feeding pipe road 41, and switching water inlet pipe 1 through solenoid directional control valve 32 actions is to be communicated with or not to be communicated with cold water supply channel 51;
The other end of outlet pipe 2 connects hot water backwater's pipeline 42 through solenoid directional control valve 61; The other end of outlet pipe 2 connects cold-water return pipeline 52 through solenoid directional control valve 62 simultaneously; Through solenoid directional control valve 61 action switching water discharging pipes 2 is to be communicated with or not to be communicated with hot water backwater's pipeline 42; Through solenoid directional control valve 62 action switching water discharging pipes 2 is to be communicated with or not to be communicated with cold-water return pipeline 52, and the action of solenoid directional control valve 31, solenoid directional control valve 32, solenoid directional control valve 61, solenoid directional control valve 62 is by controller 7 unified controls.
Described controller 7 can come through the injecting glue signal enabling of injection machine the action of solenoid directional control valve 31, solenoid directional control valve 32, solenoid directional control valve 61, solenoid directional control valve 62 is controlled automatically.
Described controller 7 can be selected PLC or single-chip microcomputer for use, PLC or single-chip microcomputer can be conveniently according to the technological parameter of die production input program in advance, voluntarily the action of each solenoid directional control valve is controlled through the injecting glue signal enabling of injection machine then.
Also be provided with check valve 411,511 on described hot water feeding pipe road 41 and the cold water supply channel 51.
Also be provided with check valve 421,521 on described hot water backwater's pipeline 42 and the cold-water return pipeline 52.
Embodiment two; Shown in Figure 2; What they were different with embodiment one is; The circulation line of mould 10 has five groups; The water inlet of every group of circulation line is connected with cold water supply channel 51 with hot water feeding pipe road 41 through single solenoid directional control valve 3 through independent water inlet pipe 1 more simultaneously, and switching each independent water inlet pipe 1 through solenoid directional control valve 3 is to be communicated with hot water feeding pipe road 41 or to be communicated with or not to be communicated with cold water supply channel 51, and the delivery port of every group of circulation line is connected with cold-water return pipeline 52 with hot water backwater's pipeline 42 through single solenoid directional control valve 6 through independent outlet pipe 2 more simultaneously; Switching each independent outlet pipe 2 through solenoid directional control valve 6 is to be communicated with hot water backwater's pipeline 42 or to be communicated with or not to be communicated with cold-water return pipeline 52, and the action of all solenoid directional control valves 3,6 is by controller 7 unified controls.
Below only be preferred embodiment of the utility model, the change that those skilled in the art does to be equal to by claim all falls into the protection domain of this case.
Claims (10)
1. the temperature control equipment of an injection mold; Comprise water inlet pipe, outlet pipe; One end of water inlet pipe connects the water inlet of mould circulation line; One end of outlet pipe connects the delivery port of mould circulation line; It is characterized in that: the other end of water inlet pipe is connected with the cold water supply channel with the hot water feeding pipe road through solenoid directional control valve simultaneously, and switching water inlet pipe through solenoid directional control valve is to be communicated with the hot water feeding pipe road or to be communicated with or not to be communicated with the cold water supply channel, and the other end of outlet pipe is connected with the cold-water return pipeline with hot water backwater's pipeline through solenoid directional control valve simultaneously; Through solenoid directional control valve switching water discharging pipe is to be communicated with hot water backwater's pipeline or with the cold-water return pipeline connection or be not communicated with, the action of all solenoid directional control valves is by the unified control of a controller.
2. the temperature control equipment of a kind of injection mold according to claim 1, it is characterized in that: described controller is to come the action of solenoid directional control valve is controlled through the injecting glue signal enabling.
3. the temperature control equipment of a kind of injection mold according to claim 1, it is characterized in that: described controller is PLC or single-chip microcomputer.
4. according to the temperature control equipment of each described a kind of injection mold of claim 1 to 3, it is characterized in that: described hot water feeding pipe road and cold water supply channel are provided with check valve.
5. the temperature control equipment of a kind of injection mold according to claim 4; It is characterized in that: the other end of described water inlet pipe respectively is connected with the cold water supply channel with the hot water feeding pipe road through a solenoid directional control valve, and switching water inlet pipe through solenoid directional control valve separately is to be communicated with the hot water feeding pipe road or to be communicated with or not to be communicated with the cold water supply channel.
6. according to the temperature control equipment of each described a kind of injection mold of claim 1 to 3, it is characterized in that: described hot water backwater's pipeline and cold-water return pipeline are provided with check valve.
7. the temperature control equipment of a kind of injection mold according to claim 6; It is characterized in that: the other end of described outlet pipe respectively is connected with the cold-water return pipeline with hot water backwater's pipeline simultaneously through a solenoid directional control valve, is to be communicated with hot water backwater's pipeline or with the cold-water return pipeline connection or be not communicated with through solenoid directional control valve switching water discharging pipe separately.
8. according to the temperature control equipment of each described a kind of injection mold of claim 1 to 3; It is characterized in that: when the circulation line of described mould has organize more; The water inlet of every group of circulation line is connected with the cold water supply channel with the hot water feeding pipe road through solenoid directional control valve through independent water inlet pipe more simultaneously; The delivery port of every group of circulation line is connected with the cold-water return pipeline with hot water backwater's pipeline through solenoid directional control valve through independent outlet pipe more simultaneously, and the action of all solenoid directional control valves is by the unified control of controller.
9. the temperature control equipment of a kind of injection mold according to claim 8, it is characterized in that: described hot water feeding pipe road and cold water supply channel are provided with check valve.
10. the temperature control equipment of a kind of injection mold according to claim 8, it is characterized in that: described hot water backwater's pipeline and cold-water return pipeline are provided with check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220141869 CN202572919U (en) | 2012-04-06 | 2012-04-06 | Temperature control device for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220141869 CN202572919U (en) | 2012-04-06 | 2012-04-06 | Temperature control device for injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202572919U true CN202572919U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220141869 Expired - Fee Related CN202572919U (en) | 2012-04-06 | 2012-04-06 | Temperature control device for injection mold |
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| CN (1) | CN202572919U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231498A (en) * | 2013-04-28 | 2013-08-07 | 浙江江南制药机械有限公司 | Water ring type injector heating device and capsule preparation system and use method thereof |
| CN108772539A (en) * | 2018-07-17 | 2018-11-09 | 锐鑫晟汽车部件（昆山）有限公司 | A kind of casting mould cavity quickly heats and is quickly cooled down system |
| CN110027182A (en) * | 2019-05-28 | 2019-07-19 | 福建富兰光学有限公司 | A kind of dynamic analog temperature switching device |
-
2012
- 2012-04-06 CN CN 201220141869 patent/CN202572919U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231498A (en) * | 2013-04-28 | 2013-08-07 | 浙江江南制药机械有限公司 | Water ring type injector heating device and capsule preparation system and use method thereof |
| CN103231498B (en) * | 2013-04-28 | 2016-02-24 | 浙江江南制药机械有限公司 | Liquid-ring type syringe heater and capsule making system thereof and using method |
| CN108772539A (en) * | 2018-07-17 | 2018-11-09 | 锐鑫晟汽车部件（昆山）有限公司 | A kind of casting mould cavity quickly heats and is quickly cooled down system |
| CN110027182A (en) * | 2019-05-28 | 2019-07-19 | 福建富兰光学有限公司 | A kind of dynamic analog temperature switching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20150406 |
|
| EXPY | Termination of patent right or utility model |