CN101934575A - Heating cylinder cover - Google Patents
Heating cylinder cover Download PDFInfo
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- CN101934575A CN101934575A CN2010102163895A CN201010216389A CN101934575A CN 101934575 A CN101934575 A CN 101934575A CN 2010102163895 A CN2010102163895 A CN 2010102163895A CN 201010216389 A CN201010216389 A CN 201010216389A CN 101934575 A CN101934575 A CN 101934575A
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- heating cylinder
- cover
- main body
- release mechanism
- interconnecting part
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Abstract
The present invention provides a heating cylinder cover. In a plasticization device having the heating cylinder cover having a forced air cooling means and a communication part for discharging the cooling air outwards, the effect of discharging the heat outwards from the communication part or an aeration part for cooling the heating cylinder to replace resin is remarkable, contrarily, the thermal efficiency is bad when the temperature is elevated because the heat is discharged outwards. The communication part arranged between the inner portion and the outer portion of the heating cylinder cover is provided with a slide release mechanism, thus, when the heating cylinder is cooled, the release mechanism is switched on, it is possible to cool the heating cylinder quickly so as to shorten the preparation time of shaping, when the heating cylinder is required to heat, the release mechanism is switched off to prevent the heat from discharging outwards so as to improve the thermal efficiency.
Description
Technical field
The application advocates the priority based on the Japanese patent application of on June 30th, 2009 application 2009-155225 number.The full content of its application is quoted in this manual by reference.
The present invention relates to a kind of heating cylinder cover of plasticizing apparatus.
Background technology
Carried out following injection moulding in the past, promptly, the injection (mo(u)lding) machine that use is made of mold closing mechanism, die device, injection/plasticizing apparatus, control device etc., to in the heating cylinder of plasticizing apparatus, the resin injection of fusion plastification be filled in the die cavity that is installed on mold closing mechanism and totally enclosed die device, afterwards, cooled and solidified and take out the moulding product.
For adjusting the melt temperature of this resin, known heating cylinder temperature-adjusting device and the heating cylinder cover (for example, with reference to patent documentation 1) that injection stretching blow molding machine with plasticizing apparatus identical with injection (mo(u)lding) machine is arranged.
In addition, in injection moulding, be limited with resin as injection stretch blow molding or moulding product and resin is replaced or mould exchange frequency is few moulding different, generally carry out the moulding of the kind of moulding product more and frequent substitution mould or resin.
If lift an example, for example, when the moulding that carries out the transition to from the moulding based on the polycarbonate resin that is used for electric parts or communication equipment parts based on the acrylic resin that is used for commodity, the design temperature of the heating cylinder during molding procedure need reduce by 50 degree and set more.
Patent documentation: Japanese kokai publication hei 09-001613 communique
In injection (mo(u)lding) machine, use sets air blast or cooling fan on the main body cover of heating cylinder when carrying out the mode of forced ventilation cooling, in the heating cylinder cover of the constant mode in the past of the degassing orifice that keeps cooling air or the perforated state of other air vent, though when needs are lowered the temperature to the heating cylinder, has the effect that thermal diffusion improves, but then, to the heating cylinder when heating up, exist heat at needs from degassing orifice or passage problem to outside diffusion and poor thermal efficiency.
Summary of the invention
The present invention finishes in view of above-mentioned problem, and its purpose is, the main body cover of the heating cylinder of the good plasticizing apparatus of a kind of thermal efficiency is provided, when needs are lowered the temperature to the heating cylinder, improve thermal diffusion, and, when needs heat up, prevent thermal diffusion, thereby can shorten moulding time.
For this reason, in the heating cylinder cover of the main body cover with covering heating cylinder, main body cover is set as has the inside and the outside interconnecting part and the cover of the release mechanism that disconnects this interconnecting part that is communicated with main body cover, and release mechanism is set as the gate of sliding type.
And interconnecting part and release mechanism are set at the roughly top of main body cover.
In addition, main body cover is set as to be had when inside is divided into the partition wall in a plurality of spaces, with this space the cover of interconnecting part and release mechanism is set accordingly.
And a plurality of spaces are set as by supply area, constricted zone and metering region and constitute, and interconnecting part and release mechanism are set on the main body cover corresponding with constricted zone at least.
The invention effect:
Along with the resin that carries out from the high-temperature resin to the low-temperature resins is replaced, need to the heating cylinder lower the temperature the moulding preparatory process time, when the interconnecting part that will be communicated with main body cover inside and outside is made as out, forced draught cooling arrangement is made as out to carry out the forced ventilation cooling, thereby the heating cylinder is sharply lowered the temperature, and the moulding preparatory process time is significantly shortened, improve productivity.
Afterwards, when carrying out the transition to molding procedure, disconnect interconnecting part and when it is closed, forced draught cooling arrangement is made as the pass, thereby can prevents, and can carry out the good moulding of the thermal efficiency from the thermal diffusion of interconnecting part to the outside.
On the other hand, on the contrary, along with the resin that carries out from the low-temperature resins to the high-temperature resin is replaced, need to heat up when heating the moulding preparatory process of cylinder, when it is closed, forced draught cooling arrangement is made as the pass disconnecting the interconnecting part that is communicated with main body cover inside and outside, thereby can prevents from the thermal diffusion of interconnecting part to the outside, and can make the thermal efficiency improve and significantly shorten the time of moulding preparatory process, improve productivity.
Description of drawings
Fig. 1 is the concise and to the point front view of the plasticizing apparatus of expression injection (mo(u)lding) machine of the present invention.
Fig. 2 is the schematic plan view of the plasticizing apparatus of expression injection (mo(u)lding) machine of the present invention.
Fig. 3 is the concise and to the point cutaway view of the A-A of Fig. 2.
Fig. 4 is that the B of Fig. 2 is to view.
Fig. 5 is C～cutaway view of Fig. 4.
Among the figure: 2-plasticizing apparatus, 6-cap cover, 8-outer cover, 15-air blast, the 16-air blast, the 17-air blast, 22-air blast install bin, 23-is blown into mouth, 24-is blown into mouth, 25-exhaust outlet, 26-exhaust outlet, the 30-gate, 31-gate, 32-handle, the 33-interconnecting part, 34-release mechanism, Z1-supply area, the Z2-constricted zone, the Z3-metering region, the S-switch forms.
The specific embodiment
Below, with reference to accompanying drawing embodiments of the present invention are elaborated.
Fig. 1 is the concise and to the point front view of the plasticizing apparatus of expression injection (mo(u)lding) machine of the present invention, Fig. 2 is the schematic plan view of the plasticizing apparatus of expression injection (mo(u)lding) machine of the present invention, Fig. 3 is the concise and to the point cutaway view of the A-A of Fig. 2, Fig. 4 be the B of Fig. 2 to view, Fig. 5 is C～cutaway view of Fig. 4.
In Fig. 1～Fig. 2, the injecting plasticizing device 1 of injection (mo(u)lding) machine comprises injection device 12 and plasticizing apparatus 2 haply, and this figure represents plasticizing apparatus 2.
One end of water-cooled cylinder 13 is installed on the injection device 12, and the other end is equipped with heating cylinder 3, is equipped with hopper 14 above.
Heating cylinder 3 forms cylindrical, and portion inserts screw rod (not shown) within it, is driven in rotation by fluid pressure motor (not shown) etc.Water-cooled cylinder 13 opposition sides at heating cylinder 3 are equipped with nozzle 50.
And heating cylinder 3 has: utilize heat and pressure molten resin material and make its function from the injection of nozzle 50 predetermined amounts, axially become the supply area Z1 that resin material is supplied with to the place ahead of heating cylinder 3 from hopper 14 by Region Segmentation at it; Utilize heat and pressure constricted zone Z2 with resin fusion compression; Metering region Z3 with the resin material that measures the amount corresponding with 1 injection.
Heater 4 is installed required number around heating cylinder 3, and heating cylinder 3 is heated, thus molten resin material.And heater 4 carries out adjustment in each above-mentioned 3 zone.
In addition, in the present embodiment of forced draught cooling arrangement,,, can certainly be cooling fan though air blast is described for ease of explanation.
Generally in injection (mo(u)lding) machine, suppose to set the cleaning cover (not shown) that is used to protect to operating personnel's burn in mold closing mechanism side (not shown), with 50 ones of covering nozzles from the disperse situation of molten resin of nozzle 50 front ends.
For avoiding the interference with this cleaning cover, air blast 17 sets near water-cooled cylinder 13 sides.Therefore, according to the size or the structure of cleaning cover, air blast 17 is identical with the air blast 15,16 of other regional Z1, Z2, can be set directly at regional Z3 portion.
The end face of the cap cover 6 of main body cover 5 is bored a hole as the exhaust outlet 25 of interconnecting part 33 accordingly with predetermined size and supply area Z1, with the constricted zone Z2 same exhaust outlet 26 as interconnecting part 33 of boring a hole accordingly.
And, along the outer surface of cap cover 6, axially slidably be equipped with the gate 30 that covers 25 ones of exhaust outlets that supply area Z1 uses (detailed carry out aftermentioned), covering the same gate 31 of 26 ones of exhaust outlets that constricted zone Z2 uses respectively as release mechanism 34.
In addition, release mechanism 34 comprises gate 30,31, handle 32, screw 40, packing ring 41, ladder nut 42, liner 43 (detailed carry out aftermentioned).
And, at the axis direction of plasticizing apparatus 2, for convenience of explanation, with the expression of the state (solid line) opened, be adapted to if the gate 30 of supply area Z1 portion to the nozzle 50 sides amount of shift motion S only, then disconnecting exhaust outlet 25 becomes (chain-dotted line) state of closing.
Equally with closing state (solid line) expression, be adapted to if the gate 31 of constricted zone Z2 portion to the water-cooled cylinder 13 sides amount of shift motion S only, (chain-dotted line) state of becoming out of exhaust outlet 26 then.
Spread all over the outer cover 8 that axis direction is formed with a plurality of otch 10 that heat release uses in the above and be adapted to main body covered cover 5.This outer cover 8 is used to prevent operating personnel contact becomes high temperature along with the adjustment of heating cylinder 3 main body cover 5 surfaces.
Among Fig. 3, this figure represents the cross section of constricted zone Z2 portion.Mark jack per line about heating cylinder 3, air blast 15,16 parts identical, be not elaborated with Fig. 1～2.
Right side wall perforation at cap cover 6 is blown into mouth 23.To cover this mode that is blown into mouth 23 air blast install bin 22 is installed, is set the air blast 16 that constricted zone Z2 uses at air blast install bin 22.
The top perforation of cap cover 6 has formation to emit the exhaust outlet 26 of preliminary dimension of interconnecting part 33 of the cooling air of air blast 16 to the outside from main body cover.
And,,, form upper baffle plate 19 and lower partition 20 in position, thereby the cooling air that suppresses air blast 16 surpasses interregional diffusion with 3 mutually noninterferes of heating cylinder on the border of regional Z1, Z2 in the inside of main body cover 5.In addition, also identical between regional Z2, the Z3.
In addition, gate 31 forms along the profile of cap cover 6.So gate 31 becomes when closing, gate 31 disconnects exhaust outlet 26, also makes it have same effect even without exhaust outlet 26.
In order to make outer cover 8 and 22 mutually noninterferes of air blast install bin that set air blast 15,16 respectively, outer cover 8 by otch, and is configured to main body covered cover 5 in suitable part.
In Fig. 4～Fig. 5,, be not described in detail so mark identical number because cap cover 6, gate 30,31 are identical with Fig. 2～Fig. 3.
Offer porosely 45 in the precalculated position of cap cover 6, insert the end difference of ladder nuts 42 in this hole 45 and position.
Therefore, by packing ring 41, liner 43 screw 40 is screwed into ladder nut 42, becomes thus when vacating appropriate intervals between packing ring 41 and the cap cover 6, cap cover 6 is positioned.
As shown in Figure 2, be formed with slotted hole 44 at each 2 position of gate 30,31.Width dimensions between about the slotted hole 44 becomes the external diameter greater than liner 43.
The right side of the slotted hole 44 by this gate 30,31 contacts with liner 43, thereby the mobile position that stops of gate 30,31 is positions that gate 30,31 is closed exhaust outlet 25,26.
On the other hand, the left side of slotted hole 44 is contact pad designed 43, thereby the mobile position that stops of gate 30,31 is positions that gate 30,31 is opened exhaust outlet 25,26.This move left and right distance becomes the switch over travel S of gate 30,31.
Then, the program to the injection (mo(u)lding) machine of above-mentioned formation describes.
The batch process of the moulding product of high-temperature resin finishes, and during molding procedure when then carrying out the transition to the moulding based on low-temperature resins, temperature control equipment is set ceiling temperature and the lower limit temperature of supply area Z1, constricted zone Z2, metering region Z3.
Operating handle 32 is opened the gate 30,31 that is provided in cap cover 6.By temperature control equipment, air blast 15,16,17 become open thereafter.
The cooling air that is blown in the cap cover 6 is discharged from exhaust outlet 25 at supply area Z1, discharges from exhaust outlet 26 at constricted zone Z2, discharges from nozzle 71 sides of cap cover 6 at metering region Z3, and thus, heating cylinder 3 is sharply lowered the temperature.
If heating cylinder 3 has dropped to desired temperature, then air blast 15,16,17 becomes and cuts out, and operating handle 32 is closed gate 30,31 simultaneously.
Secondly, beginning after the temperature of heating cylinder 3 becomes stable state, begins the preparatory injection moulding of moulding product based on the ON/OFF control of heater 4.
On the other hand, the batch process of the moulding product of low-temperature resins finishes, then, during moulding preparatory process under the moulding transition situation of high-temperature resin, equally temperature control equipment is set ceiling temperature and the lower limit temperature of supply area Z1, constricted zone Z2, metering region Z3.
So be closed be provided in gate 30,31 operating handles 32 of cap cover 6 owing to do not need to force cooling this moment, and air blast 15,16,17 becomes the pass by temperature control equipment.
Be warmed up to setting value will heating cylinder 3, and heating cylinder 3 temperature become after the stable state preparatory injection moulding of beginning moulding product.
After the stable and moulding preparatory process of condition of molding finishes, carry out the transition to molding procedure, and the moulding carried out for batch process of beginning.
Structure of the present invention as previously discussed, make in the main body cover of plasticizing apparatus of greenhouse cooling of heating cylinder by import cooling air from air blast to the inside of main body cover, the constricted zone at least of main body cover is made as has the release mechanism that is communicated with inner with the outside interconnecting part of main body cover and disconnects the interconnecting part of the mode that slides.
Therefore, carry out from high-temperature resin during to moulding preparatory process that the resin of low-temperature resins is replaced, when being made as out following by release mechanism with interconnecting part, carry out the forced ventilation cooling, thereby rapid cooling heating cylinder shortens moulding time thus significantly, and productivity is improved.
On the other hand, similarly, carry out replacing to the resin of high-temperature resin following from low-temperature resins, when the heating cylinder need heat up or carry out the transition to the moulding bulk article, become and close by disconnecting described interconnecting part, forced draught cooling arrangement is made as closes simultaneously, thereby prevent to outside diffusion heat, improve the thermal efficiency, and can realize that the cost of moulding product reduces.
Claims (5)
1. a heating cylinder cover has the main body cover that covers the heating cylinder, it is characterized in that,
Described main body cover has:
Interconnecting part is communicated with the inside and outside of this main body cover; And release mechanism, disconnect this interconnecting part.
2. heating cylinder cover as claimed in claim 1 is characterized in that,
Described release mechanism is the gate of the mode of sliding.
3. as the described heating cylinder of claim 1 to 2 cover, it is characterized in that,
Described interconnecting part and release mechanism are set at the roughly top of described main body cover.
4. as any described heating cylinder cover in the claim 1 to 3, it is characterized in that,
Described main body cover has the partition wall that inside is divided into a plurality of spaces, and with described space described interconnecting part and release mechanism is set accordingly.
5. as any described heating cylinder cover in the claim 1 to 4, it is characterized in that,
Described a plurality of space is made of supply area, constricted zone and metering region, in corresponding with described constricted zone at least main body cover described interconnecting part and release mechanism is set.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP155225/2009 | 2009-06-30 | ||
| JP2009155225A JP2011011368A (en) | 2009-06-30 | 2009-06-30 | Heating cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101934575A true CN101934575A (en) | 2011-01-05 |
Family
ID=43388266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102163895A Pending CN101934575A (en) | 2009-06-30 | 2010-06-23 | Heating cylinder cover |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2011011368A (en) |
| CN (1) | CN101934575A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358512A (en) * | 2012-03-29 | 2013-10-23 | 发那科株式会社 | Heating cylinder protective cover and resin injection protecting cover of injection molding machine |
| CN104441464A (en) * | 2013-09-13 | 2015-03-25 | 发那科株式会社 | Heating cylinder protective cover of injection molding machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5495975B2 (en) * | 2010-06-25 | 2014-05-21 | 東洋機械金属株式会社 | Injection molding machine |
| KR102188449B1 (en) * | 2019-12-02 | 2020-12-08 | 김수정 | Mini injection machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62284715A (en) * | 1986-06-04 | 1987-12-10 | Fanuc Ltd | Forced cooling device of heating cylinder of injection molder |
| JPS6364717A (en) * | 1986-09-08 | 1988-03-23 | Sumitomo Heavy Ind Ltd | Control method for injection molding machine |
| JPH021613A (en) * | 1987-08-01 | 1990-01-05 | Samsung Semiconductor & Telecommun Co Ltd | C-mos ttl input buffer utilizing resistance means |
| JPH091613A (en) * | 1995-06-22 | 1997-01-07 | Nissei Asb Mach Co Ltd | Device for controlling temperature of cylinder of injection machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5493068U (en) * | 1977-12-14 | 1979-07-02 | ||
| JPS5778921U (en) * | 1980-10-31 | 1982-05-15 | ||
| JPS5894511U (en) * | 1981-12-21 | 1983-06-27 | 東芝機械株式会社 | Raw material preheating equipment for injection molding machines, etc. |
| JPS58190122U (en) * | 1982-06-11 | 1983-12-17 | 東芝機械株式会社 | Heating cylinder air cooling device for injection molding machines, etc. |
| JPH0679764A (en) * | 1991-10-08 | 1994-03-22 | Tsugami Corp | Temperature control device for injection molding part of injection molding machine |
| JPH0655588A (en) * | 1992-08-04 | 1994-03-01 | Mazda Motor Corp | Resin feeder for injection molding |
-
2009
- 2009-06-30 JP JP2009155225A patent/JP2011011368A/en active Pending
-
2010
- 2010-06-23 CN CN2010102163895A patent/CN101934575A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62284715A (en) * | 1986-06-04 | 1987-12-10 | Fanuc Ltd | Forced cooling device of heating cylinder of injection molder |
| JPS6364717A (en) * | 1986-09-08 | 1988-03-23 | Sumitomo Heavy Ind Ltd | Control method for injection molding machine |
| JPH021613A (en) * | 1987-08-01 | 1990-01-05 | Samsung Semiconductor & Telecommun Co Ltd | C-mos ttl input buffer utilizing resistance means |
| JPH091613A (en) * | 1995-06-22 | 1997-01-07 | Nissei Asb Mach Co Ltd | Device for controlling temperature of cylinder of injection machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358512A (en) * | 2012-03-29 | 2013-10-23 | 发那科株式会社 | Heating cylinder protective cover and resin injection protecting cover of injection molding machine |
| CN104441464A (en) * | 2013-09-13 | 2015-03-25 | 发那科株式会社 | Heating cylinder protective cover of injection molding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011011368A (en) | 2011-01-20 |
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Application publication date: 20110105 |