CN2897622Y - Temperature adjuster of chord wave bi-temperature mould - Google Patents
Temperature adjuster of chord wave bi-temperature mould Download PDFInfo
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- CN2897622Y CN2897622Y CN 200620018789 CN200620018789U CN2897622Y CN 2897622 Y CN2897622 Y CN 2897622Y CN 200620018789 CN200620018789 CN 200620018789 CN 200620018789 U CN200620018789 U CN 200620018789U CN 2897622 Y CN2897622 Y CN 2897622Y
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Abstract
The utility model provides a sinusoidal dual-temperature mould temperature controller, which includes a first circulating system comprising of a male die and a female die; and a second circulating system. The male die is equipped with an independent isothermal input and output pipes. The independent isothermal input pipe is connected to the second circulating system. The dual-temperature mould temperature controller can heat the mould ahead of time, allowing not too much temperature difference between the internal cavity and the melting plastic stocks when the mould is used for injection molding. During temperature dropping, the dual-temperature mould temperature controller can also continually supply warm water with slowly decreasing temperature, to keep the temperature of the mould not decrease too rapidly. At the same time, the machine can provide heat energy for the male and female dies to keep constant temperature independently, thus improve the yield of the molding products and the efficiency, also save the equipment cost.
Description
Technical field
The utility model provides a kind of mold temperature controller, but refers to the mould cooling rate after a kind of preheated mold or the acceleration moulding especially or have the two warm mold temperature controllers of chord wave type of independent constant temperature two molds simultaneously.
Background technology
The ejection formation preparation method of commonly using, in the Jet forming machine front portion, can the plastics material be melted into liquid state by heat energy, heating feed mechanism by Jet forming machine inside, continue heating and keep temperature, and inject in the die cavity of Jet forming machine back mold with the hot melting plastic material of pressure with liquid state, treat mold cools down after, die sinking separates the male and female mould of mould, takes out the plastic product of inner hardening by cooling typing.
Only, on its above-mentioned known ejection formation method for making, still have several problem points:
One, general mould is cold under the normal temperature state, the die cavity of mould also is cold, so when Jet forming machine when injecting the plastics liquid of hot melt, the thermoplastic feed liquid is run into cold mould and can rapid hardening by cooling be blocked, cause the injection path to have some setbacks, perhaps less, the darker position thermoplastic feed liquid of mould is not easy to arrive, and last result is exactly that the fraction defective of finished product heightens cost of idleness and time.
Two, commonly use after the jet shaping finished product, after finished product is waited until the nature cooling, the action of just getting thing do die sinking, however so efficient is obviously too low, because Leng Que speed is quite slow naturally, so also have influence on the speed and the output of processing procedure.
Three, commonly use after the jet shaping finished product, mould also has the practice of commonly using of injecting cold water pressure cooling, be desirably in and allow the finished product cooling die sinking get thing in the shortest time, though so can allow finished product shorten cool time, but it is excessive that fast the practice of cooling causes inside and outside cool time of the difference of thermoplastic feed liquid, rising-heat contracting-cold stress makes plastic product distortion or damaged, be full of cracks, so cooling also is the main cause that causes fraction defective to heighten rapidly.
Four, the practice to commonly use, just need a die heater if do insulation at a mould, in the time of all will being incubated with two moulds of male and female mould, the die heater that just needs two just can reach target, but the cost of purchasing a die heater is high, generally all be unwilling to purchase two die heaters and use, cause heat insulation effect not good.
Therefore, at the existing problem points of above-mentioned conventional construction, how to develop a kind of innovation structure that has more desirable practicality, the ardent hope of real consumer institute also is that relevant dealer must make great efforts target and the direction that research and development break through.In view of this, the creator this in manufacturing development and the design experiences of being engaged in Related product for many years, at above-mentioned target, in detail after design and the scrupulous assessment, eventually the utility model of a true tool practicality.
Summary of the invention
The utility model purpose is, provide a kind of chord wave type two warm mold temperature controllers, to overcome in the known Jet forming machine processing procedure, when injecting high temperature hot melt plastic pressure in the cold mould, hot melting plastic is touched cold mould and can be cooled off rapidly, cause runner to have some setbacks, and cold and hot difference is excessive also can to cause plastic product to be out of shape or breakage, be full of cracks, and finish in the cooling procedure in ejaculation, slow excessively with natural cooling velocity, cool off rapidly and adopt cold water, can make the cold and hot difference of plastic product excessive and cause distortion or damaged again, be full of cracks, and, in the insulation for mould, commonly using die heater only can be at a mould insulation, if male model and master mold are incubated simultaneously, then need to buy two groups of die heaters, yet so will cause the too high defective of cost.
The technical characterstic of dealing with problems: the utility model provides a kind of chord wave type two warm mold temperature controllers, and it includes a male model mould and a master mold mould; It is characterized in that:
One first circulatory system comprises one first pump, is connected with intake line between itself and the master mold mould, has primary heater, secondary heater, first control valve on this intake line in regular turn; Also be connected with output pipe between this first pump and the master mold mould, has second control valve on this output pipe, on the output pipe between second control valve and master mold mould, divide and be connected to a cooling water outlet pipeline, on the pipeline and have the 4th control valve, output pipe has the pipeline that is connected cold water inlet between first pumping and second control valve, has connecting line between described first control valve and secondary heater, on this pipeline and have the 3rd control valve, has the pipeline that is connected with intake line between master mold mould and first control valve;
One second circulatory system comprises one second pump, and it has an intake line, is connected the joint of first circulatory system intake line and the 5th control valve pipeline, has the 3rd heater, the 6th control valve on this intake line in regular turn; Also has the output pipe that is connected to second pump on first circulatory system output pipe between the master mold mould and second control valve, on this output pipe and have the 7th control valve; Has a pipeline that is connected between described the 7th control valve and second pump between described the 3rd heater and the 6th control valve, this pipeline also has the 8th control valve, and has the pipeline that is connected to cooling water outlet on the output pipe between the 7th control valve and the 8th control valve, this pipeline also has the 9th control valve, and this output pipe also has the pipeline that connects cold water inlet;
This male model mould has independent constant temperature intake line and independent constant temperature output pipe, male model independence constant temperature intake line is connected between the 3rd heater and the 6th control valve of second circulatory system intake line, and male model independence constant temperature output pipe is connected between described the 7th control valve and second pump.
Wherein, the independent constant temperature intake line of this male model mould and independent constant temperature output pipe all have isolation valve body.
Wherein, this master mold mould has independently thermostatic control loop, has first pumping, primary heater, secondary heater on the loop, the 5th control valve, the first, second, third and the 4th control valve, wherein the 4th control valve is equipped with and is used for controlling the temp controlled meter that this valve body opens and closes with temperature.
Wherein, this male model mould and master mold mould matched moulds position have microswitch, microswitch be used to carry out mould and heat and be connected with the numerical controller of matched moulds timing.
The effect of contrast prior art:
One, the two warm mold temperature controllers of the utility model chord wave type, can control heating mould, allow in the ejection formation process, plastics liquid is full of die cavity smoothly, and continue warm water's supply with controller control, and allowing and penetrate in the temperature-fall period after finishing, temperature can not fallen too fast, comparable again cooling naturally is quick, to reach the purpose that penetrates lifting of finished product yield and improved efficiency.
Two, the two warm mold temperature controllers of the utility model chord wave type can reach the purpose of a machine dual-purpose to the independent constant temperature of two molds while of male model and master mold.
The technology that relevant the utility model adopted, means and effect thereof after lifting a preferred embodiment now and cooperating graphic being described in more detail in, are believed the above-mentioned purpose of the utility model, structure and feature, when can by one deeply and concrete understanding.
Description of drawings
Fig. 1: the device schematic diagram that is the two warm mold temperature controllers of the utility model chord wave type.
Fig. 2: be heating action schematic diagram of the present utility model.
Fig. 3: be cooling action schematic diagram of the present utility model.
Fig. 4: be that each control valve of the present utility model opens and closes the action length schematic diagram.
Fig. 5: be heating of the present utility model, temperature-fall period flow chart.
Fig. 6: the temperature and time graph of a relation that is heating of the present utility model, temperature-fall period.
Fig. 7: be independent constant temperature action schematic diagram of the present utility model.
The specific embodiment
Consult shown in Figure 1ly, the utility model provides a kind of chord wave type two warm mold temperature controllers, and its basic comprising has:
Two moulds are respectively male model mould 10 and master mold mould 11; Two pumps are respectively first pump 20 and second pump 21; Three heaters are respectively primary heater 30, secondary heater 31 and the 3rd heater 32; First to the 9th control valve SV1 to SV9; Male model mould 10 is provided with a microswitch 12 with the matched moulds position of master mold mould 11, and this microswitch 12 connects a numerical control device (PLC) 13;
Second circulatory system 71, its second pump 21 is connected in the abutment of the intake line 100 and the 5th control valve SV5 pipeline 150 of first pump 20 with intake line 200, be provided with the 3rd heater 32 the 6th control valve SV6 on the intake line 200 in regular turn, connect on the output pipe 110 between the master mold mould 11 and the second control valve SV2 and establish output pipe 210 and be connected to second pump 21, on the output pipe 210 and be provided with the 7th control valve SV7, between the 3rd heater 32 and the 6th control valve SV6 of intake line 200, if a pipeline 220 is connected to 21 of the 7th control valve SV7 of output pipe 210 and second pumps, pipeline 220 is provided with the 8th control valve SV8, and being provided with pipeline 230 with output pipe 210 between the 8th control valve SV8, the 7th control valve SV7 is connected cooling water outlet 212, be provided with pipeline 240 and connect cold water inlets 211, on the pipeline 230 and be provided with the 9th control valve SV9 control and open and close.
Consult Fig. 2 to shown in Figure 6, after the flow process of ejection formation has activation basically, matched moulds, ejaculation, cooling, die sinking, to get thing be a circulation, again reply matched moulds thereafter ... circulation processing procedure (as shown in Figure 4), wherein be the cooling period until get the process of thing from cooling, die sinking, all the other processing procedures are the heating period, and the heating period heating mould start action of the two warm mold temperature controllers of chord wave type is:
Matched moulds is finished, microswitch 12 touches numerical control devices 13 makes numerical control device heat mould and matched moulds timing, wherein heating action: the first control valve SV1, the second control valve SV2 and the 8th control valve SV8 open, and all the other control valves are for closing (as shown in Figure 4), and primary heater 30, secondary heater 31 and the 3rd heater 32 are for opening, cold water inlet 201,211 respectively via pipeline 130,240 inject cold water to the first pump 20, second pump 21, first pump 20 continues the water extraction and is heated as hot water via primary heater of arranging in regular turn on the intake line 100 30 and secondary heater 31, hot water via the first control valve SV1 after, be connected to master mold mould 11, and then heating master mold mould 11, the water that heated connects behind the second control valve SV2 via output pipe 110, and first pump 20 refluxes; And second pump 21 extracts water via after 32 heating of the 3rd heater out, because the 6th control valve SV6, the 7th control valve SV7 close, hot water is forced to be back to second pump 21 by pipeline 220 again through the 8th control valve SV8, with as warm-up cycle (as shown in Figure 2).
This first pump 20 also is provided with cold water inlet 201, the second pumps 21 and is provided with cold water inlet 211 and cooling water outlet 212, and cooling water outlet 212 also is provided with one the 9th control valve SV9.
In addition in the cooling period of the two warm mold temperature controllers of this chord wave type, cooling mould start action is: the 3rd control valve SV3, the 4th control valve SV4, the 5th control valve SV5, the 6th control valve SV6 and the 7th control valve SV7, the 9th control valve SV9 opens, and all the other control valves are for closing (as shown in Figure 4), and primary heater 30, secondary heater 31 and the 3rd heater 32 are for opening, first pump 20 is extracted water out and is heated as hot water via continuing of primary heater on the intake line 100 30 and secondary heater 31, the first control valve SV1 of intake line 100 closes, hot water can only be via pipeline 140, behind the 3rd control valve SV3, draw the cold water mix of the pipeline 130 of access lowers the temperature with cold water inlet 201, through pipeline 150, behind the 5th control valve SV5, take back intake line 100, be connected to master mold mould 11 by intake line 100, and then make the warm water can regulate master mold mould 11 temperature, the warm water uses after by output pipe 110 outputs, but because the second control valve SV2 closes, force water by the road behind the 120 and the 4th control valve SV4, toward cooling water outlet 51 dischargings, or can be via output pipe 210, the 7th control valve SV7 flows to second pump 21 and pipeline 230, through the 9th control valve SV9 allow water by cooling water outlet 212 quick drain to quicken flow velocity; And second pump 21 extracts water via after the 3rd heater 32 heating on the intake line 200 out, hot water flows into master mold mould 11 after intake line 200, the 6th control valve SV6 are connected to intake line 100, after water after the warm use connects by the road the 120 and the 4th control valve SV4 via output pipe 110, toward cooling water outlet 51 dischargings, or can flow to second pump 21 via output pipe 210, the 7th control valve SV7, also can toward pipeline 230 through the 9th control valve SV9 allow water by cooling water outlet 212 quick drain to quicken flow velocity.
The flow process of its heating period with the cooling period is:
(a) die heater activates heating: the two warm mold temperature controllers of chord wave type (or claiming die heater) activate heating, and it is the heating period.
(b) reach operating temperature: if when mold temperature reaches operating temperature, then carry out matched moulds, otherwise continue heating.
(c) microswitch touches: the matched moulds position in male model mould 10 and master mold mould 11 is provided with microswitch 12, treats that microswitch 12 is touched, the success of expression mould matched moulds, then heat mould and matched moulds timing of numerical control device 13 controls;
(d) matched moulds timing: carry out the matched moulds timing thereafter, the time does not arrive then continues.
(e) cooling timing: then the lower the temperature cooling timing of period of time, time Mo is to then continuation.
(f) switch heating: the time is then switched heating, gets back to the heating period (as shown in Figure 5) again.
This initial activation heating, mould is begun to promote its temperature by not having a temperature, arrive about 40 ℃ of the temperature minimum point of cooling period when temperature after, be the standard heating mode curve (as shown in Figure 6) that enters the heating period, heating-up temperature is the highest about 110 ℃, and after the end of heating period, enter the standard cooling modeling curve of cooling period, make its cooling be slow cooling pattern, about 30 seconds of whole circulation, in view of the above, be to present the utility model chord wave type control mold heated and cooling action.
Consult shown in Figure 7ly, the independent constant temperature mould of the two warm mold temperature controllers of chord wave type of the present utility model as flowing mode is:
Be provided with independent constant temperature intake line 60 on the male model mould 10 and connect between the 3rd heater 32 and the 6th control valve SV6 of intake lines 200, on the independent constant temperature intake line 60 and be provided with valve body 62; On the male model mould 10 and be provided with independent constant temperature output pipe 61 and connect 21 of the 7th control valve SV7 of output pipes 210 and second pumps, on the independent constant temperature output pipe 61 and be provided with valve body 63; Valve body 62,63 in the non-independent constant temperature period for closing.
Be provided with independent thermostatic control closed circuit on the master mold mould 11.
When independent constant temperature action is carried out, the first control valve SV1, the second control valve SV2, the 3rd control valve SV3, the 8th control valve SV8 open, the 4th control valve SV4 opens or closes for temp controlled meter PID control, the 9th control valve SV9 opens or closes for temp controlled meter PID control, and all the other control valves are for closing, and primary heater 30, secondary heater 31 and the 3rd heater 32 are for opening; First pump 20 with water extract out via intake line 100 and on primary heater 30 and secondary heater 31 continue be heated as hot water after, hot water is via the first control valve SV1, intake line 100 and send into master mold mould 11, current are via the output pipe 110 second control valve SV2 that flows through behind the independent constant temperature, the 3rd control valve SV3 and recycle and flow into master mold mould 11, or through the second control valve SV2, output pipe 110 flows to first pump 20, when water temperature surpasses the temp controlled meter design temperature, the 4th control valve SV4 opens, and current 120 are discharged by cooling water outlet 51 by the road; And second pump 21 with water extract out via intake line 200 and on 32 heating of the 3rd heater after, the pipeline 220 of flowing through, the 8th control valve SV8 and second pump 21 that refluxes, or flow to independent constant temperature intake line 60, behind the valve body 62, enter male model mould 10 and carry out independent constant temperature, behind the independent constant temperature current via independent constant temperature output pipe 61 and valve body 63 after, be that the output pipe 210 of flowing through is got back to second pump 21, or through the 8th control valve SV8 do continuation do action, and water temperature is when surpassing the temp controlled meter design temperature, the 9th control valve SV9 opens, and current 230 are discharged by cooling water outlet 212 by the road.By above-mentioned action, reach two warm mold temperature controllers and promptly have the independent constant temperature effect of two molds.
Above-mentioned this male model mould 10 and master mold mould 11 are as long as heating or one of them mould of lowering the temperature can reach heating or cool effect, but when independent constant temperature, then need two all independent constant temperature of mould.
Preamble is that technical characterictic of the present utility model carries out specific description at preferred embodiment of the present utility model; Only, the personage who is familiar with this technology is when can changing and revise the utility model not breaking away under spirit of the present utility model and the principle, and these changes and modification, all should be covered by in the category that the application's claim defined.
Claims (4)
1. the two warm mold temperature controllers of chord wave type include a male model mould and a master mold mould; It is characterized in that:
One first circulatory system comprises one first pump, is connected with intake line between itself and the master mold mould, has primary heater, secondary heater, first control valve on this intake line in regular turn; Also be connected with output pipe between this first pump and the master mold mould, has second control valve on this output pipe, on the output pipe between second control valve and master mold mould, divide and be connected to a cooling water outlet pipeline, on the pipeline and have the 4th control valve, output pipe has the pipeline that is connected cold water inlet between first pumping and second control valve, has connecting line between described first control valve and secondary heater, on this pipeline and have the 3rd control valve, has the pipeline that is connected with intake line between master mold mould and first control valve;
One second circulatory system comprises one second pump, and it has an intake line, is connected the joint of first circulatory system intake line and the 5th control valve pipeline, has the 3rd heater, the 6th control valve on this intake line in regular turn; Also has the output pipe that is connected to second pump on first circulatory system output pipe between the master mold mould and second control valve, on this output pipe and have the 7th control valve; Has a pipeline that is connected between described the 7th control valve and second pump between described the 3rd heater and the 6th control valve, this pipeline also has the 8th control valve, and has the pipeline that is connected to cooling water outlet on the output pipe between the 7th control valve and the 8th control valve, this pipeline also has the 9th control valve, and this output pipe also has the pipeline that connects cold water inlet;
This male model mould has independent constant temperature intake line and independent constant temperature output pipe, male model independence constant temperature intake line is connected between the 3rd heater and the 6th control valve of second circulatory system intake line, and male model independence constant temperature output pipe is connected between described the 7th control valve and second pump.
2. according to the two warm mold temperature controllers of the described chord wave type of claim 1, it is characterized in that: the independent constant temperature intake line of this male model mould and independent constant temperature output pipe all have isolation valve body.
3. according to the two warm mold temperature controllers of the described chord wave type of claim 1, it is characterized in that: this master mold mould has independently thermostatic control loop, have first pumping, primary heater, secondary heater on the loop, the 5th control valve, the first, second, third and the 4th control valve, wherein the 4th control valve is equipped with and is used for controlling the temp controlled meter that this valve body opens and closes with temperature.
4. according to the two warm mold temperature controllers of the described chord wave type of claim 1, it is characterized in that: this male model mould and master mold mould matched moulds position have microswitch, microswitch be used to carry out mould and heat and be connected with the numerical controller of matched moulds timing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620018789 CN2897622Y (en) | 2006-04-04 | 2006-04-04 | Temperature adjuster of chord wave bi-temperature mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620018789 CN2897622Y (en) | 2006-04-04 | 2006-04-04 | Temperature adjuster of chord wave bi-temperature mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2897622Y true CN2897622Y (en) | 2007-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620018789 Expired - Fee Related CN2897622Y (en) | 2006-04-04 | 2006-04-04 | Temperature adjuster of chord wave bi-temperature mould |
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|---|---|
| CN (1) | CN2897622Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105094178A (en) * | 2015-09-15 | 2015-11-25 | 苏州南航腾龙科技有限公司 | Medium flow type rapid heating and cooling temperature control rapid conversion device |
-
2006
- 2006-04-04 CN CN 200620018789 patent/CN2897622Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105094178A (en) * | 2015-09-15 | 2015-11-25 | 苏州南航腾龙科技有限公司 | Medium flow type rapid heating and cooling temperature control rapid conversion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070509 Termination date: 20110404 |