CN106541545B - A kind of ability of swimming high temperature die heater - Google Patents
A kind of ability of swimming high temperature die heater Download PDFInfo
- Publication number
- CN106541545B CN106541545B CN201510602795.8A CN201510602795A CN106541545B CN 106541545 B CN106541545 B CN 106541545B CN 201510602795 A CN201510602795 A CN 201510602795A CN 106541545 B CN106541545 B CN 106541545B
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- Prior art keywords
- hot water
- water
- heater
- cartridge heater
- ability
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of ability of swimming high temperature die heaters, including cartridge heater, return water bucket, the first pressurized hot water pump, heat exchanger and control unit, cartridge heater passes through the arrival end of hot water line's connecting mold, the outlet end of mold is connect by water return pipeline with return water bucket, first temperature probe is provided on hot water line, for monitoring the hot water temperature in hot water line, hot water line connect with return water bucket, controls the hot water in hot water line by control unit and enters return water bucket；Return water bucket and the first pressurized hot water pump connect, first pressurized hot water pump connects cartridge heater for increasing entire die heater system pressure, the first pressurized hot water pump connection exchanger heat water inlet, the hot water outlet of heat exchanger, cartridge heater is connected with discharge pipe line, and hot water in cartridge heater cylinder is discharged by discharge pipe line；Control unit cooperates with the normal operation of each component guarantee ability of swimming high temperature die heater.Ability of swimming high temperature die heater realization water temperature of the invention is at 140 DEG C -160 DEG C, while temperature-controlled precision reaches ± 1 DEG C.
Description
Technical field
The present invention relates to technical field of temperature control more particularly to a kind of ability of swimming high temperature die heaters.
Background technique
Die heater is called mould temperature controller, is widely used in the temperature control industry of injection mold.Die heater by water tank,
Heating system, dynamic transfer system, the devices such as temperature sensor composition.Under normal conditions, the pump in dynamic transfer system makes heat
Fluid reaches mold from the water tank equipped with internal heater, then returns to water tank from mold；Temperature sensor measurement hot fluid
Temperature and the controller of data transmission to control section；Controller adjusts the temperature of hot fluid, to adjust mold indirectly
Temperature.If in production, the temperature of mold is more than the setting value of controller, controller will open solenoid valve and connect water inlet
Pipe, until the temperature of the temperature of hot-fluid liquid, i.e. mold returns to setting value.If mold temperature is lower than setting value, controller will
Open heater.
Die heater is divided to water type die heater and two kinds of oil type die heater according to the heat-conducting fluid used.Water type die heater majority is used
In the occasion for being lower than 200 DEG C, and oil type die heater is used for the occasion of operating temperature >=200 DEG C.For water type die heater, by system
The limitation of pressure, the maximum temperature of steam are 110 DEG C or so, are not able to satisfy 140 DEG C ~ 160 DEG C of use temperature, work is caused to be imitated
Rate is low；In addition, existing water type die heater when hot water temperature is higher than set temperature in heater, is drained by opening hot water
The mode of valve and cooling water inlet valve reduces hot water temperature in heater, and such mode is unable to ensure temperature-controlled precision, influences mould
The normal use of hot water in tool.
Summary of the invention
In order to solve the problems in the prior art, the object of the present invention is to provide a kind of ability of swimming high temperature die heater, the present invention
Ability of swimming high temperature die heater by setting the first pressurized hot water pump, increase heating cylinder pressure, improve hot water temperature, realize 110
The requirement of DEG C -140 DEG C of water temperatures；Ability of swimming high temperature die heater of the invention connects drain solenoid valve on return water bucket, connects on cartridge heater
Safety valve is connect, drain solenoid valve and safety valve are used for releasing pressure automatically when high pressure, guarantee the high pressure peace of closed ability of swimming high temperature die heater
Full problem；Ability of swimming high temperature die heater of the invention in cartridge heater hot water temperature be higher than set temperature when, carried out using heat exchanger
Cooling prevents cold water to be directly added into cartridge heater bring temperature control and problem is not allowed.
To achieve the goals above, a kind of the technical solution adopted by the present invention: ability of swimming high temperature die heater, which is characterized in that
Including cartridge heater, hot water line, return water bucket, the first pressurized hot water pump, heat exchanger and control unit, the cartridge heater pass through heat
The arrival end of water lines connecting mold, heats mold, and the mould outlet end is connected back to by water return pipeline
Bucket is provided with first temperature probe on the hot water line, for detecting the hot water temperature in hot water line, and will test
To hot water temperature's signal pass to control unit, the hot water line connect with return water bucket, pass through control unit control heat
Hot water in water lines enters return water bucket；The return water bucket and the first pressurized hot water pump connect, first pressurized hot water
Pump improves vapor (steam) temperature in cartridge heater, the return water bucket passes through the first pressurization heat for increasing entire die heater system pressure
Water pump connects exchanger heat water inlet, and the hot water outlet of the heat exchanger connects cartridge heater, and the cartridge heater is also connected with
Hot water in cartridge heater cylinder is discharged by discharge pipe line in discharge pipe line；The return water bucket connects drain solenoid valve, the heating
Cylinder connection safety valve, the drain solenoid valve and safety valve are used to drain pressure release when high pressure, realize the dual guarantor to die heater
Protective function；The control unit connects and controls the cartridge heater, hot water line, return water bucket, and the first pressurized hot water pump changes
Hot device, drain solenoid valve and safety valve cooperate with each component to guarantee the normal operation of ability of swimming high temperature die heater.
Wherein, it is provided with heating tube in the cartridge heater, for heating to the water in cartridge heater.
Wherein, it is provided with overheat switch on the cartridge heater, automatic protection when for cartridge heater water temperature over-high.
Wherein, the cartridge heater is also connected with and is provided with the second pressurized hot water pump, pressurization water storage cylinder and pressurization check valve,
Increase the pressure of die heater system.
Wherein, be provided with Bypass outlet on the hot water line, by by-pass and pressure regulator valve adjust hot water line into
Enter the water of the first pressurized hot water pump.
Wherein, first pressurized hot water pump is connect with water pipe, is provided with moisturizing on the water pipe
Filter, moisturizing ball valve and replenishment check valve, the water pipe enter first by moisturizing ball valve and replenishment check valve control
The rate of water make-up of pressurized hot water pump.
Wherein, it is provided with second temperature probe on the water return pipeline, for showing the water temperature in water return pipeline.
Wherein, cooling water inlet and cooling water outlet are additionally provided on the heat exchanger.
Wherein, outlet pressure switch and boost pressure switch, the outlet pressure are additionally provided on the hot water line
Power switch regulates and controls the on and off of drain solenoid valve and safety valve for monitoring vapor in cartridge heater；The pressurization pressure
Power switch is for controlling on and off, the steam pressure needed for reaching cartridge heater of the second pressurized hot water pump.
Compared with prior art, the present invention realize the utility model has the advantages that ability of swimming high temperature die heater of the invention is provided with first
Pressurized hot water pump and the second pressurized hot water pump, improve the pressure of die heater closed system, pressure requirements needed for solving high-temperature water,
Water temperature is up to 140 DEG C -160 DEG C of effect in realization cartridge heater, meets the normal use demand of mold；Ability of swimming high temperature of the invention
Die heater connects drain solenoid valve on return water bucket, and connection safety valve on cartridge heater passes through control drain solenoid valve and safety valve
It is on and off, it is ensured that the safe handling of die heater system under high pressure；Ability of swimming high temperature die heater of the invention is in cartridge heater
When interior water temperature is higher than set temperature, cooling down is carried out by heat exchanger, avoids being directly added into cartridge heater using cooling water and bringing
Temperature control problem, ensure that the temperature-controlled precision of cartridge heater.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, present invention be described in more detail:
Fig. 1 is the operation schematic diagram of the ability of swimming high temperature die heater of the embodiment of the present invention one；
Fig. 2 is the operation schematic diagram of the ability of swimming high temperature die heater of the embodiment of the present invention two.
Wherein: cartridge heater 1, hot water line 2, return water bucket 3, the first pressurized hot water pump 4, heat exchanger 5, water return pipeline 6, and first
Temp probe 7, discharge pipe line 9, heating tube 10, the second pressurized hot water pump 11, by-pass and pressure regulator valve 12, water pipe 13 are mended
Water filter 14, water supplement port ball valve 15, replenishment check valve 16, second temperature probe 17, cooling water inlet 18, cooling water outlet
19, overheat switch 20, hot water outlet 21, boost pressure switch 22, drain solenoid valve 23, outlet pressure switch 24, safety
Valve 25, hot water inlet's ball valve 26, hot water outlet ball valve 27 are pressurized water storage cylinder 28, are pressurized check valve 29 and hot water inlet 30.
Specific embodiment
Embodiment one
As shown in Figure 1, a kind of ability of swimming high temperature die heater, including control unit, cartridge heater 1, hot water line 2, water return pipeline
6, return water bucket 3 and heat exchanger 5, cartridge heater 1 pass through the arrival end of 2 connecting mold of hot water line, and the hot water in cartridge heater 1 is inputted
Mold heats mold, and the outlet end of mold is connect by water return pipeline 6 with return water bucket 3.It is set on hot water line 2
It is equipped with first temperature probe 7, passes to control list for monitoring the water temperature in hot water line 2, and by the water temperature data monitored
Member, control unit control cartridge heater 1 are heated or are carried out cooling treatment.Second temperature probe 17 is provided on water return pipeline 6,
For detecting and showing the water temperature on water return pipeline 6.Return water bucket 3 is connect with the first pressurized hot water pump 4, passes through the first pressurized hot water
Hot water in return water bucket 3 is introduced the hot water inlet 30 of heat exchanger 5 by pump 4, and heat exchanger 5 further includes cooling water inlet 18, cooling water
Outlet 19 and hot water outlet 21, the hot water outlet 21 of heat exchanger 5 are connect with cartridge heater 1.
Overheat switch 20 and heating tube 10 are provided on cartridge heater 1, when water temperature is more than set temperature in cartridge heater 1
When, signal is passed to control unit by overheat switch 20, and control unit stops heating by processing control heating tube 10.
The return water bucket 3 connects drain solenoid valve 23,1 connection safety valve 25 of cartridge heater, the draining electricity
Magnet valve 23 and safety valve 25 are used to drain pressure release when high pressure, realize the double protection functions to die heater.23 He of drain solenoid valve
Safety valve 25 has steam loss during the pressure relief process, carries out moisturizing to system by water pipe.
It is provided with Bypass outlet on cartridge heater 1, the first pressurization heat is entered when adjusting zero load by by-pass and pressure regulator valve 12
The water of water pump 4 prevents the first pressurized hot water from pumping 4 work when anhydrous, and the first pressurized hot water pump 4 is avoided to damage.
First pressurized hot water pump 4 is connected with water pipe 13, and water pipe 13 includes moisturizing filter 14, water supplement port ball valve
15 and replenishment check valve 16, the water of system is entered by water supplement port ball valve 15 and the control of replenishment check valve 16.
Working principle: in use, by water temperature needed for control unit setting mold, the heating tube 10 in cartridge heater 1 is right
Water is heated, and is discharged by hot water line 2, when the first temperature probe 7 on hot water line 2 monitors in hot water line 2
When water temperature is lower than setting value, the hot water in control unit control hot water line 2 enters return water bucket 3, and the hot water in return water bucket 3 passes through
First pressurized hot water pumps 4 inflow heat exchangers 5, and then back flows back into cartridge heater 1, and control unit control heating tube 10 continues to add
Heat；When first temperature probe 7 monitors that the water temperature in hot water line 2 reaches set temperature, control unit controls hot water line 2
Hot water flow into mold, mold is heated, treated hot water enters water return pipeline 6, and then flow into return water bucket 3,
Cartridge heater 1 is back flowed back by the first pressurized hot water pump 4 and heat exchanger 5；When first temperature probe 7 monitors in hot water line 2
Temperature when being higher than setting value, control unit controls the hot water in hot water line 2 and flows into return water bucket 3, and the hot water in return water bucket 3 is logical
It crosses the first pressurized hot water and pumps 4 inflow heat exchangers 5, open the cooling water inlet 18 of heat exchanger 5, the hot water in heat exchanging device 5 carries out
Cool processing, and the hot water after heat exchange flows into cartridge heater 1, opens simultaneously the discharge pipe line 9 being arranged on cartridge heater 1, will heat
Hot water outflow in cylinder 1, to realize the effect that the hot water temperature in cartridge heater 1 reduces.In order to guarantee closed system pressure compared with
Occurs dangerous, the setting drain solenoid valve 23 on return water bucket 3, when the outlet pressure switch 24 being arranged on hot water line 2 when high
When detecting that system pressure is more than setting value, the opening of drain solenoid valve 23 carries out draining pressure release；When drain solenoid valve 23 is opened still
When cannot so reduce system pressure, control unit controls safety valve 25 and opens, and further drains pressure release, drain solenoid valve 23 and peace
25 double protection functions of full valve, improve the security performance of die heater.
In addition, hot water line 2, which controls hot water by hot water inlet's ball valve 26, enters mold, the control warp of hot water outlet ball valve 27
The hot water return of mold is crossed to return water bucket 3, when hot water inlet's ball valve 26 and hot water outlet ball valve 27 simultaneously close off, in order to avoid
First pressurized hot water pumps 4 stalls, and die heater of the invention is provided with bypass, and bypass pressure adjusting is provided on bypass
Valve 12 is entered the hot water amount of the first pressurized hot water pump 4 by the effect control of by-pass and pressure regulator valve 12, prevents the first pressurized hot water
Pump 4 is damaged because of stall.
The water temperature for the 4 realization cartridge heater 1 of the first pressurized hot water pump being arranged in system reaches 110 DEG C -140 DEG C, meets mold
Use demand；Meanwhile being cooled down indirectly by heat exchanger 5 to the hot water in system, it ensure that control precision, in system
Temperature is floated within the scope of ± 1 DEG C compared with set temperature.
Embodiment two
As shown in Fig. 2, embodiment two is what is different from the first embodiment is that be additionally provided with the second pressurization in ability of swimming high temperature die heater
Heat-exchanger pump 11, the second pressurized hot water pump 11 and the first pressurized hot water pump 4 collective effects, further increase vapour pressure in cartridge heater 1
Power, so that the water temperature in cartridge heater 1 reaches 160 DEG C of high temperature.
Second pressurized hot water pump 11 is connected with pressurization water butt 28 and pressurization check valve 29, and the pressurization water butt 28 is protected
It demonstrate,proves the second pressurized hot water pump 11 and does not suck air, pressurization check valve 29 guarantees that hot water returns when the second pressurized hot water pump 11 does not work
Stream prevents the second pressurized hot water pump 11 from damaging because of stall.
The above specific embodiments are only exemplary, is to preferably make skilled artisans appreciate that originally
Patent, be not to be construed as include to this patent range limitation；As long as appointing made by the spirit according to disclosed in this patent
How with change or modification, the range that this patent includes is each fallen within.
Claims (8)
1. a kind of ability of swimming high temperature die heater, which is characterized in that including cartridge heater (1), hot water line (2), return water bucket (3), first
Pressurized hot water pumps (4), heat exchanger (5) and control unit,
The cartridge heater (1) passes through the arrival end of hot water line (2) connecting mold, heats to mold, described
Mould outlet end is connected back to bucket (3) by water return pipeline (6), and the water return pipeline is provided with second temperature probe on (6)
(17), it for showing the water temperature in water return pipeline (6), is provided with first temperature probe (7), uses on the hot water line (2)
Hot water temperature in detection hot water line (2), and the hot water temperature's signal that will test passes to control unit, the heat
Water lines (2) are connect with return water bucket (3), enter return water bucket (3) by the hot water in control unit control hot water line (2)；Institute
The return water bucket (3) stated is connect with the first pressurized hot water pump (4), and the first pressurized hot water pump (4) is for increasing entire mould temperature
Machine system pressure, improves cartridge heater (1) interior vapor (steam) temperature, and the return water bucket (3) is changed by the first pressurized hot water pump (4) connection
The hot water outlet of hot device (5) hot water inlet, the heat exchanger (5) connect cartridge heater (1), and the cartridge heater (1) is also connected with
There are discharge pipe line (9), hot water in cartridge heater (1) cylinder is discharged by discharge pipe line (9)；
The return water bucket (3) connects drain solenoid valve (23), the cartridge heater (1) connection safety valve (25), the row
Water solenoid valve (23) and safety valve (25) are used to drain pressure release when high pressure, realize the double protection functions to die heater；
The control unit connects and controls the cartridge heater (1), hot water line (2), return water bucket (3), the first pressurization heat
Water pump (4), heat exchanger (5), drain solenoid valve (23) and safety valve (25) cooperate with each component guaranteeing ability of swimming high temperature die heater just
Often operation.
2. ability of swimming high temperature die heater as described in claim 1, which is characterized in that be provided with heating in the cartridge heater (1)
It manages (10), for being heated to the water in cartridge heater (1).
3. ability of swimming high temperature die heater as described in claim 1, which is characterized in that be provided with overheat on the cartridge heater (1)
Protective switch (20) is used for automatic protection when cartridge heater (1) water temperature over-high.
4. ability of swimming high temperature die heater as described in claim 1, which is characterized in that the cartridge heater (1) is also connected with and is arranged
There is the second pressurized hot water to pump (11), be pressurized water storage cylinder (28) and pressurization check valve (29), increases the pressure of die heater system.
5. ability of swimming high temperature die heater as described in claim 1, which is characterized in that be provided with side on the hot water line (2)
Pass-out mouth adjusts the water that hot water line (2) enter the first pressurized hot water pump (4) by by-pass and pressure regulator valve (12).
6. ability of swimming high temperature die heater as described in claim 1, which is characterized in that the first pressurized hot water pump (4) and benefit
Water lines (13) connect, and are provided with moisturizing filter (14) on the water pipe (13), moisturizing ball valve (15) and moisturizing list
To valve (16), the water pipe (13) enters the first pressurization heat by moisturizing ball valve (15) and replenishment check valve (16) control
The rate of water make-up of water pump (4).
7. ability of swimming high temperature die heater as described in claim 1, which is characterized in that be additionally provided on the heat exchanger (5) cold
But water inlet (18) and cooling water outlet (19).
8. ability of swimming high temperature die heater as described in claim 1, which is characterized in that be additionally provided on the hot water line (2)
Outlet pressure switchs (24) and boost pressure switch (22), and the outlet pressure switch (24) is for monitoring in cartridge heater (1)
Vapor regulates and controls the on and off of drain solenoid valve (23) and safety valve (25)；The boost pressure switch (22) is used for
Control on and off, the steam pressure needed for reaching cartridge heater (1) of the second pressurized hot water pump (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510602795.8A CN106541545B (en) | 2015-09-21 | 2015-09-21 | A kind of ability of swimming high temperature die heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510602795.8A CN106541545B (en) | 2015-09-21 | 2015-09-21 | A kind of ability of swimming high temperature die heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106541545A CN106541545A (en) | 2017-03-29 |
| CN106541545B true CN106541545B (en) | 2019-02-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510602795.8A Expired - Fee Related CN106541545B (en) | 2015-09-21 | 2015-09-21 | A kind of ability of swimming high temperature die heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN106541545B (en) |
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| CN101531052A (en) * | 2009-04-19 | 2009-09-16 | 张国伟 | An energy-saving type highlight non-trace injection mold temperature control system |
| CN201866849U (en) * | 2010-10-09 | 2011-06-15 | 上海岭北冷暖设备工程有限公司 | Supercharged hot water circulating device based on instant heating type water heater |
| CN202556700U (en) * | 2012-05-22 | 2012-11-28 | 川田机械制造(上海)有限公司 | Small-scale high-temperature water circulation die temperature controller |
| CN202878633U (en) * | 2012-10-24 | 2013-04-17 | 东莞市艾科朗思机械设备有限公司 | Mould temperature control system |
| CN203185612U (en) * | 2013-02-20 | 2013-09-11 | 东莞市恩玛自动化机械有限公司 | High-temperature water mold temperature controller |
| CN103407139A (en) * | 2013-07-12 | 2013-11-27 | 信易电热机械有限公司 | High-temperature high-pressure water-type mold temperature control system and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5235132B2 (en) * | 2008-11-05 | 2013-07-10 | 株式会社サーモテック | Mold temperature controller |
-
2015
- 2015-09-21 CN CN201510602795.8A patent/CN106541545B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531052A (en) * | 2009-04-19 | 2009-09-16 | 张国伟 | An energy-saving type highlight non-trace injection mold temperature control system |
| CN201866849U (en) * | 2010-10-09 | 2011-06-15 | 上海岭北冷暖设备工程有限公司 | Supercharged hot water circulating device based on instant heating type water heater |
| CN202556700U (en) * | 2012-05-22 | 2012-11-28 | 川田机械制造(上海)有限公司 | Small-scale high-temperature water circulation die temperature controller |
| CN202878633U (en) * | 2012-10-24 | 2013-04-17 | 东莞市艾科朗思机械设备有限公司 | Mould temperature control system |
| CN203185612U (en) * | 2013-02-20 | 2013-09-11 | 东莞市恩玛自动化机械有限公司 | High-temperature water mold temperature controller |
| CN103407139A (en) * | 2013-07-12 | 2013-11-27 | 信易电热机械有限公司 | High-temperature high-pressure water-type mold temperature control system and method |
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| Publication number | Publication date |
|---|---|
| CN106541545A (en) | 2017-03-29 |
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Effective date of registration: 20210930 Address after: 201801 floor 2, No. 2768, Bao'an highway, Jiading District, Shanghai Patentee after: Shanghai Huanyang Machinery Co.,Ltd. Address before: 200001 No. 2768, Bao'an highway, Malu Town, Jiading District, Shanghai Patentee before: SHANGHAI HUANQIU MACHINERY Co.,Ltd. |
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