CN101830060A - Quick heating and cooling highlight seamless die heater - Google Patents
Quick heating and cooling highlight seamless die heater Download PDFInfo
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- CN101830060A CN101830060A CN 201010157772 CN201010157772A CN101830060A CN 101830060 A CN101830060 A CN 101830060A CN 201010157772 CN201010157772 CN 201010157772 CN 201010157772 A CN201010157772 A CN 201010157772A CN 101830060 A CN101830060 A CN 101830060A
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Abstract
The invention discloses a quick heating and cooling highlight seamless die heater, belonging to auxiliary equipment of injection machines. The seamless die heater is characterized by comprising a condensate trough, a water collecting trough and a group of serial heating tanks, wherein a high temperature pump is arranged on the connecting pipeline of the condensate trough and the heating tanks, a water charging pump is arranged on the connecting pipeline of the condensate trough and the water collecting trough; a water charging pipe is connected on the water collecting trough; a pressure storage tank is connected on the heating tanks by pipelines and is provided with a steam outlet pipe for connecting an injection mold; all connecting pipelines are provided with a solenoid valve and one-way valve; and water level electrodes are arranged on the condense trough, the water collecting trough and the heating tanks. The invention can solve the problem of surface shrinkage of injection products, improve surface smoothness of the injection products, and improve the product percent of pass by 10-25%, 98% of thermal power steam is recycled, thus saving the cost. The invention also has good security.
Description
Technical field:
The present invention relates to a kind of rapid heat cycle high-light no-trace die heater, it belongs to the injection machine auxiliary equipment.
Background technology:
In existing injection molding technology field, along with people's living standard improves, household electrical appliances particularly, communication, automobile, commodity, industries such as medical device, they are also more and more higher to the requirement of plastic cement products, in order to improve injecting products moulding quantity and fineness, usually all can in Shooting Technique, increase the fineness that can improve injecting products and the mould temperature device of quality in the prior art, in fact just provide the device of the steam of the temperature and pressure that can make that injection machine production is stable.And the Forming Quality that only provides steam can not further guarantee product, because still there is following problem in prior art: the die heater of prior art heats up slow, the weld mark of injecting products face can only alleviate and can't eliminate; Can't satisfy high photoproduction produces and is rapidly heated and the needs of fast cooling; Be difficult to moulding or at all can not moulding for adding fine injecting products; Cause the goods short shot easily, burn, defective such as internal stress is big; Product after the moulding also needs oil spout to handle, and natural environment is had injury, and many one-time process, lost labor and cost greatly; Machine safety can be also poor in addition.
Summary of the invention:
The object of the present invention is to provide a kind of steam and cooling water that equilibrium temperature and pressure can be provided, can guarantee the quality of injection moulding production and the rapid heat cycle high-light no-trace die heater of production safety.
The object of the present invention is achieved like this:
A kind of rapid heat cycle high-light no-trace die heater is characterized in that it comprises the heating tank of a condensate tank(trap), a water leg, one group of series connection; The connecting pipe of condensate tank(trap) and heating tank is provided with a high-temperature pump, and the connecting pipe between condensate tank(trap) and the water leg is provided with a small pump; On described water leg, connect a filling pipe; Connect an accumulator by pipeline on described heating tank, described accumulator is provided with the steam outlet pipe of a connection injection mold; On described all connecting pipes, be provided with magnetic valve and check valve; At described condensate tank(trap) and water leg, be provided with the level electrode that is used for sensed water level on the heating tank.
On described all connecting pipes, filter is set all.
The filter that is provided with on described connecting pipe is the y type filter.
The concrete syndeton of the connecting pipe between condensate tank(trap), water leg, heating tank, high-temperature pump, small pump, filling pipe and the accumulator is: be connected and filter, pneumatic operated valve and check valve are set on the steam outlet pipe on the heating tank and are connected by the silk tooth on the mould of injection machine; The bottom of the steam outlet pipe on described heating tank connects an air inlet pipe, and No. two pneumatic operated valves on described air inlet pipe and check valve are on another termination workshop high-pressure air pipe of described air inlet pipe; The bottom of the steam outlet pipe on described heating tank also connects a pressure pipeline, and described pressure pipeline is provided with filter, force (forcing) pump, magnetic valve, check valve; Be connected on the steam return pipe by magnetic valve and check valve on the described condensate tank(trap); The bottom of steam return pipe is by another check valve and the outside waste pipe of directly logical this machine of another magnetic valve; Described condensate tank(trap) top and the 8th magnetic valve, check valve flange connect straight-through outside waste pipe; The right lower quadrant of described steam outlet pipe is connected with condensate tank(trap) is straight-through with flange by No. nine magnetic valves and a check valve; Filter is passed through on described condensate tank(trap) top, check valve, and No. five magnetic valve is connected with water leg through flange formula; Check valve is passed through on condensate tank(trap) top, magnetic valve, and small pump and filter and water leg flange, screw thread is straight-through to be connected; Described condensate tank(trap) bottom is by filter, a water high temperature circulation pump, check valve and heating tank lower flange, screwed connection; Water leg top is by magnetic valve and check valve and waste pipe flange, and the silk tooth is straight-through to be connected; Connect a filling pipe on the described water leg and be provided with magnetic valve and filter.
Described condensate tank(trap) level electrode has three, is respectively high water level electrode, middle water level electrode and low water level electrode.
Also be provided with a low water level electrode on the described water leg, a high water level electrode.
On described heating tank, also be provided with a spring full open relief valve, a temperature-sensitive thermocouple and an air gauge.
The present invention can solve injecting products surface shrink phenomenon, improve the injecting products surface smoothness, make surface smoothness really reach mirror effect, thoroughly solve and add the floating fine phenomenon of fine product, remove the product surface joint line, make product more perfect in conjunction with trace, crazing, bubble etc., improve qualification rate 10-25%, save cost greatly; Increase thin-wall product moulding flowability, improve product quality and intensity, not yielding, can make the original product molding cycle reduce by 30%, 98% thermal power Steam Recovery use, high-temperature and pressure pipeline need be installed, save cost greatly; Vapour pressure balance, stable in the heating tank of the present invention, no superpressure phenomenon, tank body can often not expand, and has improved tank body service life, and security is higher.
Description of drawings:
Fig. 1 is a planar development formula structural representation of the present invention
The specific embodiment:
1 couple of the present invention is further detailed below in conjunction with accompanying drawing:
In the present embodiment, the present invention includes the heating tank of a condensate tank(trap) 37, water leg 38, one group of series connection, in the present embodiment, one group of heating tank is made of three heating tank 41,40,39 arranged verticals that are cascaded by pipeline, and the heating tank 41 of described highest order is provided with a level electrode 45; The connecting pipe of condensate tank(trap) and heating tank is provided with high-temperature pump 35, and the connecting pipe between condensate tank(trap) and the water leg is provided with a small pump 34; On described water leg, connect a filling pipe 54; For the stability of the pressure that guarantees steam of the present invention connects an accumulator 42 by pipeline on described heating tank, described accumulator is provided with a steam outlet pipe 47 that connects injection mold; On described all connecting pipes, be provided with magnetic valve and check valve; On described condensate tank(trap) and water leg, be provided with the level electrode that is used for sensed water level; On described heating tank, also be provided with a spring full open relief valve 43, a thermocouple 46 and an air gauge 44; Also be provided with a low water level electrode 33 on the described water leg, high water level 32, described condensate tank(trap) level electrode has three, is respectively high water level electrode 22, middle water level electrode 23 and low water level electrode 24.On described all connecting pipes, filter is set all.The filter that is provided with on the described connecting pipe is the y type filter.
The concrete syndeton of the connecting pipe between described in the present embodiment condensate tank(trap), water leg, heating tank, high-temperature pump, small pump, filling pipe and the accumulator is: be connected and filter 12, pneumatic operated valve 1 and check valve 13 are set on the steam outlet pipe 47 on the heating tank and are connected by the silk tooth on the mould of injection machine; The bottom of the steam outlet pipe 47 on described heating tank connects an air inlet pipe 49, No. two pneumatic operated valves 2 on described air inlet pipe and check valve 14, another termination workshop high-pressure air pipe of described air inlet pipe; The bottom of the steam outlet pipe 47 on described heating tank also connects a pressure pipeline 50, and described pressure pipeline is provided with filter 26, force (forcing) pump 36, magnetic valve 10, check valve 15; Be connected on the steam return pipe 48 by magnetic valve 4 and check valve 17 on the described condensate tank(trap); The bottom of steam return pipe is by another check valve 16 and the directly logical waste pipe 55 of another magnetic valve 3; Described condensate tank(trap) top and the 8th magnetic valve 8, check valve 27 flanges connect straight-through waste pipe 55; The right lower quadrant of described steam outlet pipe 47 with by No. nine magnetic valves 9 with check valve 18 flange forms and condensate tank(trap) is straight-through is connected; Described condensate tank(trap) top is by filter 20, and 19, the No. five magnetic valves 5 of check valve are connected with water leg through flange formula; Check valve 28 is passed through on condensate tank(trap) top, magnetic valve 11, and small pump 34 and filter 31 and water leg flange, screw thread is straight-through to be connected; Described condensate tank(trap) bottom is by 25, one water high temperature circulation of filter pump 35, and check valve 21 and heating tank lower flange, screw thread lead directly to and connect; Water leg 38 tops are by magnetic valve 6 and check valve 29 and waste pipe 55 flanges, and the silk tooth is straight-through to be connected; Connect a filling pipe 54 on the described water leg and be provided with magnetic valve 7 and filter 30.
Operation principle of the present invention and process are as follows:
Because the present invention is the auxiliary equipment that is connected with the mould of injection machine, therefore, electric control system of the present invention is cooperated by injection machine and Programmable Logic Controller to be finished, its forming principle: at first, be blown into high temperature by the present invention at injection moulding forward direction mould, the high pressure steam water interface, the rapid rising of temperature of mould reached more than the high polymer material glass conversion temperature Tg, injection moulding molten resin then, will form does not have joint line, and the good finished product of surface quality, after the fusion injection moulding is finished, enter refrigerating work procedure, squeeze into high-pressure cooling water then mold temperature is quickly fallen to below the temperature of resin distortion, like this, can be by accelerating the curing rate of resin, shorten the formed product cycle, solve product distortion warpage, sink, the shrink phenomenon makes the rapid moulding of high light beam molding product.
The course of work: after configuring production technology according to the production routine of setting, the Programmable Logic Controller PLC of high ray machine enters auto-programming, low water level electrode 33 on the water leg 38 can't conducting, feedback information is to the PLC controller, PLC sends instruction, magnetic valve 7 on the filling pipe 54 of water leg is opened, the beginning moisturizing is to water leg, when the water leg water level arrives high water level electrode 32, PLC obtains signal, small pump 34 work send instructions, magnetic valve 11 on small pump and condensate tank(trap) 37 connecting pipes is opened, condensate tank(trap) 37 just begins water-filling, low water level electrode 24 begins to connect in the condensate tank(trap), when water level arrives middle water level electrode 23, the middle water level electrode conduction feeds back to the PLC controller, PLC sends instruction at once, high-temperature pump 35 is started working, and beginning is to three heating tanks 39,40 of series connection, 41 moisturizings, after this process continued for some time, the water in three heating tanks was filled it up with one by one, when water level arrives level electrode 45 on the heating tank 41 of highest order, level electrode 45 conductings, high-temperature pump quits work, and PLC sends instruction, the heating tube 51 in the heating tank, 52,53 must establish the beginning heating by cable, and small pump works on, and can stop until arriving condensate tank(trap) peak level 22 conducting sides, in the time of also must reaching peak level 32 in the same collection groove, magnetic valve 7 outages stop moisturizing.In heating process, the heating tank inner volume expands, and pressure raises gradually, when pressure surpasses 12 kilograms of setting values, be connected between steam outlet pipe and the filling pipe magnetic valve on the pipeline 9 and open pressure release in drainer, until reaching design temperature, general design temperature is 180 ℃.Stop heating after 180 ℃ when temperature reaches setting value, stored the HTHP steam water interface in accumulator 42 and the heating tank, this moment, injection machine began to enter production status, and when the injection machine of producing sent synchronizing signal, PLC carried out the mold heated program; The steam pneumatic operated valve 1 that is arranged on the steam outlet pipe 47 is opened, high temperature and high pressure gas enters injection mold by steam outlet pipe 47, magnetic valve 4 on the condensate tank(trap) is opened simultaneously, and get back to condensate tank(trap) by return pipe 48, and high-temperature pump 35 is also started working, and this carbonated drink circulation is by setting tens of seconds of second number work, be traditionally arranged to be 15 seconds, at this moment, mould is brought up to about 130 degree by normal temperature tens degree, and Programmable Logic Controller PLC carries out next hot water and empties action.Programmable Logic Controller PLC sends instruction, the pneumatic operated valve 2 that is provided with on the air inlet pipe 49, magnetic valve 4 on the muffler 48, magnetic valve 5, magnetic valve 6 follow procedure is simultaneously opened, and gases at high pressure are by pneumatic operated valve 2, through steam outlet pipe 47, enter injection mold, vapour in the pipe, water is blown into condensate tank(trap), water leg is recycled, and unnecessary gas is discharged, and can finish in general 6 seconds, injection machine is injected in-mold molding with resin synchronously simultaneously, after setting-up time arrived, PLC carried out cooling program, and it can send instruction, allow booster pump 36, magnetic valve 10 management and control cooling water follow procedures are opened, and magnetic valve 3 is worked simultaneously, and water under high pressure is after this closed-system flowed tens seconds, be generally 25 seconds, resin cooling forming in mould, the clean product of so high light are with regard to moulding, and the PLC follow procedure will be carried out cold water and blow off program then, at this moment, pneumatic operated valve 2 and magnetic valve 3 are opened simultaneously, and gases at high pressure blow off mould and ducted cold water, so that next production.The periodic duty that goes round and begins again so just can successively have been produced.
Claims (7)
1. a rapid heat cycle high-light no-trace die heater is characterized in that it comprises the heating tank (41,40,39) of a condensate tank(trap) (37), a water leg (38), one group of series connection; The connecting pipe of condensate tank(trap) and heating tank is provided with high-temperature pump (35), and the connecting pipe between condensate tank(trap) and the water leg is provided with a small pump (34); On described water leg, connect a filling pipe (54); Connect an accumulator (42) by pipeline on described heating tank, described accumulator is provided with the steam outlet pipe (47) of a connection injection mold; On described all connecting pipes, be provided with magnetic valve and check valve; On described condensate tank(trap) and water leg, heating tank is provided with the level electrode that is used for sensed water level.
2. the rapid heat cycle high-light no-trace die heater described in claim 1 is characterized in that on described all connecting pipes filter being set all.
3. the rapid heat cycle high-light no-trace die heater described in claim 2 is characterized in that the filter that is provided with on the described connecting pipe is the y type filter.
4. the rapid heat cycle high-light no-trace die heater described in claim 1 or 2 is characterized in that the concrete syndeton of the connecting pipe between condensate tank(trap), water leg, heating tank, high-temperature pump, small pump, filling pipe and the accumulator is: be connected and filter (12), pneumatic operated valve (1) and check valve (13) are set on the steam outlet pipe (47) on the heating tank and are connected by the silk tooth on the mould of injection machine; The bottom of the steam outlet pipe on described heating tank (47) connects an air inlet pipe (49), No. two pneumatic operated valves (2) on described air inlet pipe and check valve (14), another termination workshop high-pressure air pipe of described air inlet pipe; The bottom of the steam outlet pipe on described heating tank (47) also connects a pressure pipeline (50), and described pressure pipeline is provided with filter (26), force (forcing) pump (36), magnetic valve (10), check valve (15); Be connected by magnetic valve (4) and check valve (17) on the described condensate tank(trap) steam return pipe (48) on; The bottom of steam return pipe is by another check valve (16) and directly logical this machine external refrigeration water pipe of another magnetic valve (3); Described condensate tank(trap) top and the 8th magnetic valve (8), the flange straight waste pipe 55 of check valve (27); The right lower quadrant of described steam outlet pipe (47) is connected with condensate tank(trap) is straight-through with flange by No. nine magnetic valves (9) and a check valve (18); Filter (20) is passed through on described condensate tank(trap) top, check valve (19), and No. five magnetic valve (5) is connected with water leg through flange formula; Check valve (28) is passed through on condensate tank(trap) top, magnetic valve (11), and small pump (34) and filter (31) and water leg flange, screw thread is straight-through to be connected; Filter (25) is passed through in described condensate tank(trap) bottom, a water high temperature circulation pump (35), and check valve (21) and heating tank lower flange, screw thread is straight-through to be connected; Water leg (38) top is by magnetic valve (6) and check valve (29) and waste pipe (55) flange, and the silk tooth is straight-through to be connected; Connect a filling pipe (54) on the described water leg and be provided with magnetic valve (7) and filter (30).
5. the rapid heat cycle high-light no-trace die heater described in the claim 1 is characterized in that described condensate tank(trap) level electrode has three, is respectively high water level electrode (22), middle water level electrode (23) and low water level electrode (24).
6. the rapid heat cycle high-light no-trace die heater described in claim 1 is characterized in that also being provided with on the described water leg low water level electrode (33) and high water level electrode (32).
7. the rapid heat cycle high-light no-trace die heater described in claim 1 is characterized in that also being provided with a spring full open relief valve (43), thermocouple (46) and air gauge (44) on described heating tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010157772 CN101830060A (en) | 2010-04-28 | 2010-04-28 | Quick heating and cooling highlight seamless die heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010157772 CN101830060A (en) | 2010-04-28 | 2010-04-28 | Quick heating and cooling highlight seamless die heater |
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| Publication Number | Publication Date |
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| CN101830060A true CN101830060A (en) | 2010-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010157772 Pending CN101830060A (en) | 2010-04-28 | 2010-04-28 | Quick heating and cooling highlight seamless die heater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029695A (en) * | 2010-11-15 | 2011-04-27 | 昆山乙盛机械工业有限公司 | Sharp quenching and sharp heating highlight molding technology of die |
| CN105758785A (en) * | 2016-05-06 | 2016-07-13 | 上海核工程研究设计院 | Test device for verifying performance of pressure bearing container sealing rings |
| CN109599202A (en) * | 2018-11-20 | 2019-04-09 | 成都麦特斯科技有限公司 | For the composition of radiation shield, application, radiation shielding material and preparation method |
Citations (2)
| 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 |
| CN201645772U (en) * | 2010-04-28 | 2010-11-24 | 深圳市宝川实业有限公司 | Sharp-cooling-and-heating high-gloss weldless mold temperature controller |
-
2010
- 2010-04-28 CN CN 201010157772 patent/CN101830060A/en active Pending
Patent Citations (2)
| 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 |
| CN201645772U (en) * | 2010-04-28 | 2010-11-24 | 深圳市宝川实业有限公司 | Sharp-cooling-and-heating high-gloss weldless mold temperature controller |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029695A (en) * | 2010-11-15 | 2011-04-27 | 昆山乙盛机械工业有限公司 | Sharp quenching and sharp heating highlight molding technology of die |
| CN105758785A (en) * | 2016-05-06 | 2016-07-13 | 上海核工程研究设计院 | Test device for verifying performance of pressure bearing container sealing rings |
| CN109599202A (en) * | 2018-11-20 | 2019-04-09 | 成都麦特斯科技有限公司 | For the composition of radiation shield, application, radiation shielding material and preparation method |
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Application publication date: 20100915 |